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/***/ "./node_modules/ace-builds/src-noconflict/ace.js":
/*!*******************************************************!*\
  !*** ./node_modules/ace-builds/src-noconflict/ace.js ***!
  \*******************************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

eval("/* module decorator */ module = __webpack_require__.nmd(module);\n/* ***** BEGIN LICENSE BLOCK *****\n * Distributed under the BSD license:\n *\n * Copyright (c) 2010, Ajax.org B.V.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *     * Redistributions of source code must retain the above copyright\n *       notice, this list of conditions and the following disclaimer.\n *     * Redistributions in binary form must reproduce the above copyright\n *       notice, this list of conditions and the following disclaimer in the\n *       documentation and/or other materials provided with the distribution.\n *     * Neither the name of Ajax.org B.V. nor the\n *       names of its contributors may be used to endorse or promote products\n *       derived from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * ***** END LICENSE BLOCK ***** */\n\n/**\n * Define a module along with a payload\n * @param module a name for the payload\n * @param payload a function to call with (require, exports, module) params\n */\n\n(function() {\n\nvar ACE_NAMESPACE = \"ace\";\n\nvar global = (function() { return this; })();\nif (!global && typeof window != \"undefined\") global = window; // strict mode\n\n\nif (!ACE_NAMESPACE && typeof requirejs !== \"undefined\")\n    return;\n\n\nvar define = function(module, deps, payload) {\n    if (typeof module !== \"string\") {\n        if (define.original)\n            define.original.apply(this, arguments);\n        else {\n            console.error(\"dropping module because define wasn\\'t a string.\");\n            console.trace();\n        }\n        return;\n    }\n    if (arguments.length == 2)\n        payload = deps;\n    if (!define.modules[module]) {\n        define.payloads[module] = payload;\n        define.modules[module] = null;\n    }\n};\n\ndefine.modules = {};\ndefine.payloads = {};\n\n/**\n * Get at functionality define()ed using the function above\n */\nvar _require = function(parentId, module, callback) {\n    if (typeof module === \"string\") {\n        var payload = lookup(parentId, module);\n        if (payload != undefined) {\n            callback && callback();\n            return payload;\n        }\n    } else if (Object.prototype.toString.call(module) === \"[object Array]\") {\n        var params = [];\n        for (var i = 0, l = module.length; i < l; ++i) {\n            var dep = lookup(parentId, module[i]);\n            if (dep == undefined && require.original)\n                return;\n            params.push(dep);\n        }\n        return callback && callback.apply(null, params) || true;\n    }\n};\n\nvar require = function(module, callback) {\n    var packagedModule = _require(\"\", module, callback);\n    if (packagedModule == undefined && require.original)\n        return require.original.apply(this, arguments);\n    return packagedModule;\n};\n\nvar normalizeModule = function(parentId, moduleName) {\n    // normalize plugin requires\n    if (moduleName.indexOf(\"!\") !== -1) {\n        var chunks = moduleName.split(\"!\");\n        return normalizeModule(parentId, chunks[0]) + \"!\" + normalizeModule(parentId, chunks[1]);\n    }\n    // normalize relative requires\n    if (moduleName.charAt(0) == \".\") {\n        var base = parentId.split(\"/\").slice(0, -1).join(\"/\");\n        moduleName = base + \"/\" + moduleName;\n\n        while(moduleName.indexOf(\".\") !== -1 && previous != moduleName) {\n            var previous = moduleName;\n            moduleName = moduleName.replace(/\\/\\.\\//, \"/\").replace(/[^\\/]+\\/\\.\\.\\//, \"\");\n        }\n    }\n    return moduleName;\n};\n\n/**\n * Internal function to lookup moduleNames and resolve them by calling the\n * definition function if needed.\n */\nvar lookup = function(parentId, moduleName) {\n    moduleName = normalizeModule(parentId, moduleName);\n\n    var module = define.modules[moduleName];\n    if (!module) {\n        module = define.payloads[moduleName];\n        if (typeof module === 'function') {\n            var exports = {};\n            var mod = {\n                id: moduleName,\n                uri: '',\n                exports: exports,\n                packaged: true\n            };\n\n            var req = function(module, callback) {\n                return _require(moduleName, module, callback);\n            };\n\n            var returnValue = module(req, exports, mod);\n            exports = returnValue || mod.exports;\n            define.modules[moduleName] = exports;\n            delete define.payloads[moduleName];\n        }\n        module = define.modules[moduleName] = exports || module;\n    }\n    return module;\n};\n\nfunction exportAce(ns) {\n    var root = global;\n    if (ns) {\n        if (!global[ns])\n            global[ns] = {};\n        root = global[ns];\n    }\n\n    if (!root.define || !root.define.packaged) {\n        define.original = root.define;\n        root.define = define;\n        root.define.packaged = true;\n    }\n\n    if (!root.require || !root.require.packaged) {\n        require.original = root.require;\n        root.require = require;\n        root.require.packaged = true;\n    }\n}\n\nexportAce(ACE_NAMESPACE);\n\n})();\n\nace.define(\"ace/lib/fixoldbrowsers\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\nif (typeof Element != \"undefined\" && !Element.prototype.remove) {\n    Object.defineProperty(Element.prototype, \"remove\", {\n        enumerable: false,\n        writable: true,\n        configurable: true,\n        value: function() { this.parentNode && this.parentNode.removeChild(this); }\n    });\n}\n\n\n});\n\nace.define(\"ace/lib/useragent\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\nexports.OS = {\n    LINUX: \"LINUX\",\n    MAC: \"MAC\",\n    WINDOWS: \"WINDOWS\"\n};\nexports.getOS = function() {\n    if (exports.isMac) {\n        return exports.OS.MAC;\n    } else if (exports.isLinux) {\n        return exports.OS.LINUX;\n    } else {\n        return exports.OS.WINDOWS;\n    }\n};\nvar _navigator = typeof navigator == \"object\" ? navigator : {};\n\nvar os = (/mac|win|linux/i.exec(_navigator.platform) || [\"other\"])[0].toLowerCase();\nvar ua = _navigator.userAgent || \"\";\nvar appName = _navigator.appName || \"\";\nexports.isWin = (os == \"win\");\nexports.isMac = (os == \"mac\");\nexports.isLinux = (os == \"linux\");\nexports.isIE = \n    (appName == \"Microsoft Internet Explorer\" || appName.indexOf(\"MSAppHost\") >= 0)\n    ? parseFloat((ua.match(/(?:MSIE |Trident\\/[0-9]+[\\.0-9]+;.*rv:)([0-9]+[\\.0-9]+)/)||[])[1])\n    : parseFloat((ua.match(/(?:Trident\\/[0-9]+[\\.0-9]+;.*rv:)([0-9]+[\\.0-9]+)/)||[])[1]); // for ie\n    \nexports.isOldIE = exports.isIE && exports.isIE < 9;\nexports.isGecko = exports.isMozilla = ua.match(/ Gecko\\/\\d+/);\nexports.isOpera = typeof opera == \"object\" && Object.prototype.toString.call(window.opera) == \"[object Opera]\";\nexports.isWebKit = parseFloat(ua.split(\"WebKit/\")[1]) || undefined;\n\nexports.isChrome = parseFloat(ua.split(\" Chrome/\")[1]) || undefined;\n\nexports.isEdge = parseFloat(ua.split(\" Edge/\")[1]) || undefined;\n\nexports.isAIR = ua.indexOf(\"AdobeAIR\") >= 0;\n\nexports.isAndroid = ua.indexOf(\"Android\") >= 0;\n\nexports.isChromeOS = ua.indexOf(\" CrOS \") >= 0;\n\nexports.isIOS = /iPad|iPhone|iPod/.test(ua) && !window.MSStream;\n\nif (exports.isIOS) exports.isMac = true;\n\nexports.isMobile = exports.isIOS || exports.isAndroid;\n\n});\n\nace.define(\"ace/lib/dom\",[\"require\",\"exports\",\"module\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar useragent = require(\"./useragent\"); \nvar XHTML_NS = \"http://www.w3.org/1999/xhtml\";\n\nexports.buildDom = function buildDom(arr, parent, refs) {\n    if (typeof arr == \"string\" && arr) {\n        var txt = document.createTextNode(arr);\n        if (parent)\n            parent.appendChild(txt);\n        return txt;\n    }\n    \n    if (!Array.isArray(arr)) {\n        if (arr && arr.appendChild && parent)\n            parent.appendChild(arr);\n        return arr;\n    }\n    if (typeof arr[0] != \"string\" || !arr[0]) {\n        var els = [];\n        for (var i = 0; i < arr.length; i++) {\n            var ch = buildDom(arr[i], parent, refs);\n            ch && els.push(ch);\n        }\n        return els;\n    }\n    \n    var el = document.createElement(arr[0]);\n    var options = arr[1];\n    var childIndex = 1;\n    if (options && typeof options == \"object\" && !Array.isArray(options))\n        childIndex = 2;\n    for (var i = childIndex; i < arr.length; i++)\n        buildDom(arr[i], el, refs);\n    if (childIndex == 2) {\n        Object.keys(options).forEach(function(n) {\n            var val = options[n];\n            if (n === \"class\") {\n                el.className = Array.isArray(val) ? val.join(\" \") : val;\n            } else if (typeof val == \"function\" || n == \"value\" || n[0] == \"$\") {\n                el[n] = val;\n            } else if (n === \"ref\") {\n                if (refs) refs[val] = el;\n            } else if (val != null) {\n                el.setAttribute(n, val);\n            }\n        });\n    }\n    if (parent)\n        parent.appendChild(el);\n    return el;\n};\n\nexports.getDocumentHead = function(doc) {\n    if (!doc)\n        doc = document;\n    return doc.head || doc.getElementsByTagName(\"head\")[0] || doc.documentElement;\n};\n\nexports.createElement = function(tag, ns) {\n    return document.createElementNS ?\n           document.createElementNS(ns || XHTML_NS, tag) :\n           document.createElement(tag);\n};\n\nexports.removeChildren = function(element) {\n    element.innerHTML = \"\";\n};\n\nexports.createTextNode = function(textContent, element) {\n    var doc = element ? element.ownerDocument : document;\n    return doc.createTextNode(textContent);\n};\n\nexports.createFragment = function(element) {\n    var doc = element ? element.ownerDocument : document;\n    return doc.createDocumentFragment();\n};\n\nexports.hasCssClass = function(el, name) {\n    var classes = (el.className + \"\").split(/\\s+/g);\n    return classes.indexOf(name) !== -1;\n};\nexports.addCssClass = function(el, name) {\n    if (!exports.hasCssClass(el, name)) {\n        el.className += \" \" + name;\n    }\n};\nexports.removeCssClass = function(el, name) {\n    var classes = el.className.split(/\\s+/g);\n    while (true) {\n        var index = classes.indexOf(name);\n        if (index == -1) {\n            break;\n        }\n        classes.splice(index, 1);\n    }\n    el.className = classes.join(\" \");\n};\n\nexports.toggleCssClass = function(el, name) {\n    var classes = el.className.split(/\\s+/g), add = true;\n    while (true) {\n        var index = classes.indexOf(name);\n        if (index == -1) {\n            break;\n        }\n        add = false;\n        classes.splice(index, 1);\n    }\n    if (add)\n        classes.push(name);\n\n    el.className = classes.join(\" \");\n    return add;\n};\nexports.setCssClass = function(node, className, include) {\n    if (include) {\n        exports.addCssClass(node, className);\n    } else {\n        exports.removeCssClass(node, className);\n    }\n};\n\nexports.hasCssString = function(id, doc) {\n    var index = 0, sheets;\n    doc = doc || document;\n    if ((sheets = doc.querySelectorAll(\"style\"))) {\n        while (index < sheets.length)\n            if (sheets[index++].id === id)\n                return true;\n    }\n};\n\nexports.importCssString = function importCssString(cssText, id, target) {\n    var container = target;\n    if (!target || !target.getRootNode) {\n        container = document;\n    } else {\n        container = target.getRootNode();\n        if (!container || container == target)\n            container = document;\n    }\n    \n    var doc = container.ownerDocument || container;\n    if (id && exports.hasCssString(id, container))\n        return null;\n    \n    if (id)\n        cssText += \"\\n/*# sourceURL=ace/css/\" + id + \" */\";\n    \n    var style = exports.createElement(\"style\");\n    style.appendChild(doc.createTextNode(cssText));\n    if (id)\n        style.id = id;\n\n    if (container == doc)\n        container = exports.getDocumentHead(doc);\n    container.insertBefore(style, container.firstChild);\n};\n\nexports.importCssStylsheet = function(uri, doc) {\n    exports.buildDom([\"link\", {rel: \"stylesheet\", href: uri}], exports.getDocumentHead(doc));\n};\nexports.scrollbarWidth = function(document) {\n    var inner = exports.createElement(\"ace_inner\");\n    inner.style.width = \"100%\";\n    inner.style.minWidth = \"0px\";\n    inner.style.height = \"200px\";\n    inner.style.display = \"block\";\n\n    var outer = exports.createElement(\"ace_outer\");\n    var style = outer.style;\n\n    style.position = \"absolute\";\n    style.left = \"-10000px\";\n    style.overflow = \"hidden\";\n    style.width = \"200px\";\n    style.minWidth = \"0px\";\n    style.height = \"150px\";\n    style.display = \"block\";\n\n    outer.appendChild(inner);\n\n    var body = document.documentElement;\n    body.appendChild(outer);\n\n    var noScrollbar = inner.offsetWidth;\n\n    style.overflow = \"scroll\";\n    var withScrollbar = inner.offsetWidth;\n\n    if (noScrollbar == withScrollbar) {\n        withScrollbar = outer.clientWidth;\n    }\n\n    body.removeChild(outer);\n\n    return noScrollbar-withScrollbar;\n};\n\nif (typeof document == \"undefined\") {\n    exports.importCssString = function() {};\n}\n\nexports.computedStyle = function(element, style) {\n    return window.getComputedStyle(element, \"\") || {};\n};\n\nexports.setStyle = function(styles, property, value) {\n    if (styles[property] !== value) {\n        styles[property] = value;\n    }\n};\n\nexports.HAS_CSS_ANIMATION = false;\nexports.HAS_CSS_TRANSFORMS = false;\nexports.HI_DPI = useragent.isWin\n    ? typeof window !== \"undefined\" && window.devicePixelRatio >= 1.5\n    : true;\n\nif (typeof document !== \"undefined\") {\n    var div = document.createElement(\"div\");\n    if (exports.HI_DPI && div.style.transform  !== undefined)\n        exports.HAS_CSS_TRANSFORMS = true;\n    if (!useragent.isEdge && typeof div.style.animationName !== \"undefined\")\n        exports.HAS_CSS_ANIMATION = true;\n    div = null;\n}\n\nif (exports.HAS_CSS_TRANSFORMS) {\n    exports.translate = function(element, tx, ty) {\n        element.style.transform = \"translate(\" + Math.round(tx) + \"px, \" + Math.round(ty) +\"px)\";\n    };\n} else {\n    exports.translate = function(element, tx, ty) {\n        element.style.top = Math.round(ty) + \"px\";\n        element.style.left = Math.round(tx) + \"px\";\n    };\n}\n\n});\n\nace.define(\"ace/lib/oop\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nexports.inherits = function(ctor, superCtor) {\n    ctor.super_ = superCtor;\n    ctor.prototype = Object.create(superCtor.prototype, {\n        constructor: {\n            value: ctor,\n            enumerable: false,\n            writable: true,\n            configurable: true\n        }\n    });\n};\n\nexports.mixin = function(obj, mixin) {\n    for (var key in mixin) {\n        obj[key] = mixin[key];\n    }\n    return obj;\n};\n\nexports.implement = function(proto, mixin) {\n    exports.mixin(proto, mixin);\n};\n\n});\n\nace.define(\"ace/lib/keys\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./oop\");\nvar Keys = (function() {\n    var ret = {\n        MODIFIER_KEYS: {\n            16: 'Shift', 17: 'Ctrl', 18: 'Alt', 224: 'Meta',\n            91: 'MetaLeft', 92: 'MetaRight', 93: 'ContextMenu'\n        },\n\n        KEY_MODS: {\n            \"ctrl\": 1, \"alt\": 2, \"option\" : 2, \"shift\": 4,\n            \"super\": 8, \"meta\": 8, \"command\": 8, \"cmd\": 8, \n            \"control\": 1\n        },\n\n        FUNCTION_KEYS : {\n            8  : \"Backspace\",\n            9  : \"Tab\",\n            13 : \"Return\",\n            19 : \"Pause\",\n            27 : \"Esc\",\n            32 : \"Space\",\n            33 : \"PageUp\",\n            34 : \"PageDown\",\n            35 : \"End\",\n            36 : \"Home\",\n            37 : \"Left\",\n            38 : \"Up\",\n            39 : \"Right\",\n            40 : \"Down\",\n            44 : \"Print\",\n            45 : \"Insert\",\n            46 : \"Delete\",\n            96 : \"Numpad0\",\n            97 : \"Numpad1\",\n            98 : \"Numpad2\",\n            99 : \"Numpad3\",\n            100: \"Numpad4\",\n            101: \"Numpad5\",\n            102: \"Numpad6\",\n            103: \"Numpad7\",\n            104: \"Numpad8\",\n            105: \"Numpad9\",\n            '-13': \"NumpadEnter\",\n            112: \"F1\",\n            113: \"F2\",\n            114: \"F3\",\n            115: \"F4\",\n            116: \"F5\",\n            117: \"F6\",\n            118: \"F7\",\n            119: \"F8\",\n            120: \"F9\",\n            121: \"F10\",\n            122: \"F11\",\n            123: \"F12\",\n            144: \"Numlock\",\n            145: \"Scrolllock\"\n        },\n\n        PRINTABLE_KEYS: {\n           32: ' ',  48: '0',  49: '1',  50: '2',  51: '3',  52: '4', 53:  '5',\n           54: '6',  55: '7',  56: '8',  57: '9',  59: ';',  61: '=', 65:  'a',\n           66: 'b',  67: 'c',  68: 'd',  69: 'e',  70: 'f',  71: 'g', 72:  'h',\n           73: 'i',  74: 'j',  75: 'k',  76: 'l',  77: 'm',  78: 'n', 79:  'o',\n           80: 'p',  81: 'q',  82: 'r',  83: 's',  84: 't',  85: 'u', 86:  'v',\n           87: 'w',  88: 'x',  89: 'y',  90: 'z', 107: '+', 109: '-', 110: '.',\n          186: ';', 187: '=', 188: ',', 189: '-', 190: '.', 191: '/', 192: '`',\n          219: '[', 220: '\\\\',221: ']', 222: \"'\", 111: '/', 106: '*'\n        }\n    };\n    var name, i;\n    for (i in ret.FUNCTION_KEYS) {\n        name = ret.FUNCTION_KEYS[i].toLowerCase();\n        ret[name] = parseInt(i, 10);\n    }\n    for (i in ret.PRINTABLE_KEYS) {\n        name = ret.PRINTABLE_KEYS[i].toLowerCase();\n        ret[name] = parseInt(i, 10);\n    }\n    oop.mixin(ret, ret.MODIFIER_KEYS);\n    oop.mixin(ret, ret.PRINTABLE_KEYS);\n    oop.mixin(ret, ret.FUNCTION_KEYS);\n    ret.enter = ret[\"return\"];\n    ret.escape = ret.esc;\n    ret.del = ret[\"delete\"];\n    ret[173] = '-';\n    \n    (function() {\n        var mods = [\"cmd\", \"ctrl\", \"alt\", \"shift\"];\n        for (var i = Math.pow(2, mods.length); i--;) {            \n            ret.KEY_MODS[i] = mods.filter(function(x) {\n                return i & ret.KEY_MODS[x];\n            }).join(\"-\") + \"-\";\n        }\n    })();\n\n    ret.KEY_MODS[0] = \"\";\n    ret.KEY_MODS[-1] = \"input-\";\n\n    return ret;\n})();\noop.mixin(exports, Keys);\n\nexports.keyCodeToString = function(keyCode) {\n    var keyString = Keys[keyCode];\n    if (typeof keyString != \"string\")\n        keyString = String.fromCharCode(keyCode);\n    return keyString.toLowerCase();\n};\n\n});\n\nace.define(\"ace/lib/event\",[\"require\",\"exports\",\"module\",\"ace/lib/keys\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar keys = require(\"./keys\");\nvar useragent = require(\"./useragent\");\n\nvar pressedKeys = null;\nvar ts = 0;\n\nvar activeListenerOptions;\nfunction detectListenerOptionsSupport() {\n    activeListenerOptions = false;\n    try {\n        document.createComment(\"\").addEventListener(\"test\", function() {}, { \n            get passive() { \n                activeListenerOptions = {passive: false};\n            }\n        });\n    } catch(e) {}\n}\n\nfunction getListenerOptions() {\n    if (activeListenerOptions == undefined)\n        detectListenerOptionsSupport();\n    return activeListenerOptions;\n}\n\nfunction EventListener(elem, type, callback) {\n    this.elem = elem;\n    this.type = type;\n    this.callback = callback;\n}\nEventListener.prototype.destroy = function() {\n    removeListener(this.elem, this.type, this.callback);\n    this.elem = this.type = this.callback = undefined;\n};\n\nvar addListener = exports.addListener = function(elem, type, callback, destroyer) {\n    elem.addEventListener(type, callback, getListenerOptions());\n    if (destroyer)\n        destroyer.$toDestroy.push(new EventListener(elem, type, callback));\n};\n\nvar removeListener = exports.removeListener = function(elem, type, callback) {\n    elem.removeEventListener(type, callback, getListenerOptions());\n};\nexports.stopEvent = function(e) {\n    exports.stopPropagation(e);\n    exports.preventDefault(e);\n    return false;\n};\n\nexports.stopPropagation = function(e) {\n    if (e.stopPropagation)\n        e.stopPropagation();\n};\n\nexports.preventDefault = function(e) {\n    if (e.preventDefault)\n        e.preventDefault();\n};\nexports.getButton = function(e) {\n    if (e.type == \"dblclick\")\n        return 0;\n    if (e.type == \"contextmenu\" || (useragent.isMac && (e.ctrlKey && !e.altKey && !e.shiftKey)))\n        return 2;\n    return e.button;\n};\n\nexports.capture = function(el, eventHandler, releaseCaptureHandler) {\n    var ownerDocument = el && el.ownerDocument || document;\n    function onMouseUp(e) {\n        eventHandler && eventHandler(e);\n        releaseCaptureHandler && releaseCaptureHandler(e);\n\n        removeListener(ownerDocument, \"mousemove\", eventHandler);\n        removeListener(ownerDocument, \"mouseup\", onMouseUp);\n        removeListener(ownerDocument, \"dragstart\", onMouseUp);\n    }\n\n    addListener(ownerDocument, \"mousemove\", eventHandler);\n    addListener(ownerDocument, \"mouseup\", onMouseUp);\n    addListener(ownerDocument, \"dragstart\", onMouseUp);\n    \n    return onMouseUp;\n};\n\nexports.addMouseWheelListener = function(el, callback, destroyer) {\n    if (\"onmousewheel\" in el) {\n        addListener(el, \"mousewheel\", function(e) {\n            var factor = 8;\n            if (e.wheelDeltaX !== undefined) {\n                e.wheelX = -e.wheelDeltaX / factor;\n                e.wheelY = -e.wheelDeltaY / factor;\n            } else {\n                e.wheelX = 0;\n                e.wheelY = -e.wheelDelta / factor;\n            }\n            callback(e);\n        }, destroyer);\n    } else if (\"onwheel\" in el) {\n        addListener(el, \"wheel\",  function(e) {\n            var factor = 0.35;\n            switch (e.deltaMode) {\n                case e.DOM_DELTA_PIXEL:\n                    e.wheelX = e.deltaX * factor || 0;\n                    e.wheelY = e.deltaY * factor || 0;\n                    break;\n                case e.DOM_DELTA_LINE:\n                case e.DOM_DELTA_PAGE:\n                    e.wheelX = (e.deltaX || 0) * 5;\n                    e.wheelY = (e.deltaY || 0) * 5;\n                    break;\n            }\n            \n            callback(e);\n        }, destroyer);\n    } else {\n        addListener(el, \"DOMMouseScroll\", function(e) {\n            if (e.axis && e.axis == e.HORIZONTAL_AXIS) {\n                e.wheelX = (e.detail || 0) * 5;\n                e.wheelY = 0;\n            } else {\n                e.wheelX = 0;\n                e.wheelY = (e.detail || 0) * 5;\n            }\n            callback(e);\n        }, destroyer);\n    }\n};\n\nexports.addMultiMouseDownListener = function(elements, timeouts, eventHandler, callbackName, destroyer) {\n    var clicks = 0;\n    var startX, startY, timer; \n    var eventNames = {\n        2: \"dblclick\",\n        3: \"tripleclick\",\n        4: \"quadclick\"\n    };\n\n    function onMousedown(e) {\n        if (exports.getButton(e) !== 0) {\n            clicks = 0;\n        } else if (e.detail > 1) {\n            clicks++;\n            if (clicks > 4)\n                clicks = 1;\n        } else {\n            clicks = 1;\n        }\n        if (useragent.isIE) {\n            var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;\n            if (!timer || isNewClick)\n                clicks = 1;\n            if (timer)\n                clearTimeout(timer);\n            timer = setTimeout(function() {timer = null;}, timeouts[clicks - 1] || 600);\n\n            if (clicks == 1) {\n                startX = e.clientX;\n                startY = e.clientY;\n            }\n        }\n        \n        e._clicks = clicks;\n\n        eventHandler[callbackName](\"mousedown\", e);\n\n        if (clicks > 4)\n            clicks = 0;\n        else if (clicks > 1)\n            return eventHandler[callbackName](eventNames[clicks], e);\n    }\n    if (!Array.isArray(elements))\n        elements = [elements];\n    elements.forEach(function(el) {\n        addListener(el, \"mousedown\", onMousedown, destroyer);\n    });\n};\n\nvar getModifierHash = function(e) {\n    return 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);\n};\n\nexports.getModifierString = function(e) {\n    return keys.KEY_MODS[getModifierHash(e)];\n};\n\nfunction normalizeCommandKeys(callback, e, keyCode) {\n    var hashId = getModifierHash(e);\n\n    if (!useragent.isMac && pressedKeys) {\n        if (e.getModifierState && (e.getModifierState(\"OS\") || e.getModifierState(\"Win\")))\n            hashId |= 8;\n        if (pressedKeys.altGr) {\n            if ((3 & hashId) != 3)\n                pressedKeys.altGr = 0;\n            else\n                return;\n        }\n        if (keyCode === 18 || keyCode === 17) {\n            var location = \"location\" in e ? e.location : e.keyLocation;\n            if (keyCode === 17 && location === 1) {\n                if (pressedKeys[keyCode] == 1)\n                    ts = e.timeStamp;\n            } else if (keyCode === 18 && hashId === 3 && location === 2) {\n                var dt = e.timeStamp - ts;\n                if (dt < 50)\n                    pressedKeys.altGr = true;\n            }\n        }\n    }\n    \n    if (keyCode in keys.MODIFIER_KEYS) {\n        keyCode = -1;\n    }\n    \n    if (!hashId && keyCode === 13) {\n        var location = \"location\" in e ? e.location : e.keyLocation;\n        if (location === 3) {\n            callback(e, hashId, -keyCode);\n            if (e.defaultPrevented)\n                return;\n        }\n    }\n    \n    if (useragent.isChromeOS && hashId & 8) {\n        callback(e, hashId, keyCode);\n        if (e.defaultPrevented)\n            return;\n        else\n            hashId &= ~8;\n    }\n    if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {\n        return false;\n    }\n    \n    return callback(e, hashId, keyCode);\n}\n\n\nexports.addCommandKeyListener = function(el, callback, destroyer) {\n    if (useragent.isOldGecko || (useragent.isOpera && !(\"KeyboardEvent\" in window))) {\n        var lastKeyDownKeyCode = null;\n        addListener(el, \"keydown\", function(e) {\n            lastKeyDownKeyCode = e.keyCode;\n        }, destroyer);\n        addListener(el, \"keypress\", function(e) {\n            return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);\n        }, destroyer);\n    } else {\n        var lastDefaultPrevented = null;\n\n        addListener(el, \"keydown\", function(e) {\n            pressedKeys[e.keyCode] = (pressedKeys[e.keyCode] || 0) + 1;\n            var result = normalizeCommandKeys(callback, e, e.keyCode);\n            lastDefaultPrevented = e.defaultPrevented;\n            return result;\n        }, destroyer);\n\n        addListener(el, \"keypress\", function(e) {\n            if (lastDefaultPrevented && (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {\n                exports.stopEvent(e);\n                lastDefaultPrevented = null;\n            }\n        }, destroyer);\n\n        addListener(el, \"keyup\", function(e) {\n            pressedKeys[e.keyCode] = null;\n        }, destroyer);\n\n        if (!pressedKeys) {\n            resetPressedKeys();\n            addListener(window, \"focus\", resetPressedKeys);\n        }\n    }\n};\nfunction resetPressedKeys() {\n    pressedKeys = Object.create(null);\n}\n\nif (typeof window == \"object\" && window.postMessage && !useragent.isOldIE) {\n    var postMessageId = 1;\n    exports.nextTick = function(callback, win) {\n        win = win || window;\n        var messageName = \"zero-timeout-message-\" + (postMessageId++);\n        \n        var listener = function(e) {\n            if (e.data == messageName) {\n                exports.stopPropagation(e);\n                removeListener(win, \"message\", listener);\n                callback();\n            }\n        };\n        \n        addListener(win, \"message\", listener);\n        win.postMessage(messageName, \"*\");\n    };\n}\n\nexports.$idleBlocked = false;\nexports.onIdle = function(cb, timeout) {\n    return setTimeout(function handler() {\n        if (!exports.$idleBlocked) {\n            cb();\n        } else {\n            setTimeout(handler, 100);\n        }\n    }, timeout);\n};\n\nexports.$idleBlockId = null;\nexports.blockIdle = function(delay) {\n    if (exports.$idleBlockId)\n        clearTimeout(exports.$idleBlockId);\n        \n    exports.$idleBlocked = true;\n    exports.$idleBlockId = setTimeout(function() {\n        exports.$idleBlocked = false;\n    }, delay || 100);\n};\n\nexports.nextFrame = typeof window == \"object\" && (window.requestAnimationFrame\n    || window.mozRequestAnimationFrame\n    || window.webkitRequestAnimationFrame\n    || window.msRequestAnimationFrame\n    || window.oRequestAnimationFrame);\n\nif (exports.nextFrame)\n    exports.nextFrame = exports.nextFrame.bind(window);\nelse\n    exports.nextFrame = function(callback) {\n        setTimeout(callback, 17);\n    };\n});\n\nace.define(\"ace/range\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\nvar comparePoints = function(p1, p2) {\n    return p1.row - p2.row || p1.column - p2.column;\n};\nvar Range = function(startRow, startColumn, endRow, endColumn) {\n    this.start = {\n        row: startRow,\n        column: startColumn\n    };\n\n    this.end = {\n        row: endRow,\n        column: endColumn\n    };\n};\n\n(function() {\n    this.isEqual = function(range) {\n        return this.start.row === range.start.row &&\n            this.end.row === range.end.row &&\n            this.start.column === range.start.column &&\n            this.end.column === range.end.column;\n    };\n    this.toString = function() {\n        return (\"Range: [\" + this.start.row + \"/\" + this.start.column +\n            \"] -> [\" + this.end.row + \"/\" + this.end.column + \"]\");\n    };\n\n    this.contains = function(row, column) {\n        return this.compare(row, column) == 0;\n    };\n    this.compareRange = function(range) {\n        var cmp,\n            end = range.end,\n            start = range.start;\n\n        cmp = this.compare(end.row, end.column);\n        if (cmp == 1) {\n            cmp = this.compare(start.row, start.column);\n            if (cmp == 1) {\n                return 2;\n            } else if (cmp == 0) {\n                return 1;\n            } else {\n                return 0;\n            }\n        } else if (cmp == -1) {\n            return -2;\n        } else {\n            cmp = this.compare(start.row, start.column);\n            if (cmp == -1) {\n                return -1;\n            } else if (cmp == 1) {\n                return 42;\n            } else {\n                return 0;\n            }\n        }\n    };\n    this.comparePoint = function(p) {\n        return this.compare(p.row, p.column);\n    };\n    this.containsRange = function(range) {\n        return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;\n    };\n    this.intersects = function(range) {\n        var cmp = this.compareRange(range);\n        return (cmp == -1 || cmp == 0 || cmp == 1);\n    };\n    this.isEnd = function(row, column) {\n        return this.end.row == row && this.end.column == column;\n    };\n    this.isStart = function(row, column) {\n        return this.start.row == row && this.start.column == column;\n    };\n    this.setStart = function(row, column) {\n        if (typeof row == \"object\") {\n            this.start.column = row.column;\n            this.start.row = row.row;\n        } else {\n            this.start.row = row;\n            this.start.column = column;\n        }\n    };\n    this.setEnd = function(row, column) {\n        if (typeof row == \"object\") {\n            this.end.column = row.column;\n            this.end.row = row.row;\n        } else {\n            this.end.row = row;\n            this.end.column = column;\n        }\n    };\n    this.inside = function(row, column) {\n        if (this.compare(row, column) == 0) {\n            if (this.isEnd(row, column) || this.isStart(row, column)) {\n                return false;\n            } else {\n                return true;\n            }\n        }\n        return false;\n    };\n    this.insideStart = function(row, column) {\n        if (this.compare(row, column) == 0) {\n            if (this.isEnd(row, column)) {\n                return false;\n            } else {\n                return true;\n            }\n        }\n        return false;\n    };\n    this.insideEnd = function(row, column) {\n        if (this.compare(row, column) == 0) {\n            if (this.isStart(row, column)) {\n                return false;\n            } else {\n                return true;\n            }\n        }\n        return false;\n    };\n    this.compare = function(row, column) {\n        if (!this.isMultiLine()) {\n            if (row === this.start.row) {\n                return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);\n            }\n        }\n\n        if (row < this.start.row)\n            return -1;\n\n        if (row > this.end.row)\n            return 1;\n\n        if (this.start.row === row)\n            return column >= this.start.column ? 0 : -1;\n\n        if (this.end.row === row)\n            return column <= this.end.column ? 0 : 1;\n\n        return 0;\n    };\n    this.compareStart = function(row, column) {\n        if (this.start.row == row && this.start.column == column) {\n            return -1;\n        } else {\n            return this.compare(row, column);\n        }\n    };\n    this.compareEnd = function(row, column) {\n        if (this.end.row == row && this.end.column == column) {\n            return 1;\n        } else {\n            return this.compare(row, column);\n        }\n    };\n    this.compareInside = function(row, column) {\n        if (this.end.row == row && this.end.column == column) {\n            return 1;\n        } else if (this.start.row == row && this.start.column == column) {\n            return -1;\n        } else {\n            return this.compare(row, column);\n        }\n    };\n    this.clipRows = function(firstRow, lastRow) {\n        if (this.end.row > lastRow)\n            var end = {row: lastRow + 1, column: 0};\n        else if (this.end.row < firstRow)\n            var end = {row: firstRow, column: 0};\n\n        if (this.start.row > lastRow)\n            var start = {row: lastRow + 1, column: 0};\n        else if (this.start.row < firstRow)\n            var start = {row: firstRow, column: 0};\n\n        return Range.fromPoints(start || this.start, end || this.end);\n    };\n    this.extend = function(row, column) {\n        var cmp = this.compare(row, column);\n\n        if (cmp == 0)\n            return this;\n        else if (cmp == -1)\n            var start = {row: row, column: column};\n        else\n            var end = {row: row, column: column};\n\n        return Range.fromPoints(start || this.start, end || this.end);\n    };\n\n    this.isEmpty = function() {\n        return (this.start.row === this.end.row && this.start.column === this.end.column);\n    };\n    this.isMultiLine = function() {\n        return (this.start.row !== this.end.row);\n    };\n    this.clone = function() {\n        return Range.fromPoints(this.start, this.end);\n    };\n    this.collapseRows = function() {\n        if (this.end.column == 0)\n            return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0);\n        else\n            return new Range(this.start.row, 0, this.end.row, 0);\n    };\n    this.toScreenRange = function(session) {\n        var screenPosStart = session.documentToScreenPosition(this.start);\n        var screenPosEnd = session.documentToScreenPosition(this.end);\n\n        return new Range(\n            screenPosStart.row, screenPosStart.column,\n            screenPosEnd.row, screenPosEnd.column\n        );\n    };\n    this.moveBy = function(row, column) {\n        this.start.row += row;\n        this.start.column += column;\n        this.end.row += row;\n        this.end.column += column;\n    };\n\n}).call(Range.prototype);\nRange.fromPoints = function(start, end) {\n    return new Range(start.row, start.column, end.row, end.column);\n};\nRange.comparePoints = comparePoints;\n\nRange.comparePoints = function(p1, p2) {\n    return p1.row - p2.row || p1.column - p2.column;\n};\n\n\nexports.Range = Range;\n});\n\nace.define(\"ace/lib/lang\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nexports.last = function(a) {\n    return a[a.length - 1];\n};\n\nexports.stringReverse = function(string) {\n    return string.split(\"\").reverse().join(\"\");\n};\n\nexports.stringRepeat = function (string, count) {\n    var result = '';\n    while (count > 0) {\n        if (count & 1)\n            result += string;\n\n        if (count >>= 1)\n            string += string;\n    }\n    return result;\n};\n\nvar trimBeginRegexp = /^\\s\\s*/;\nvar trimEndRegexp = /\\s\\s*$/;\n\nexports.stringTrimLeft = function (string) {\n    return string.replace(trimBeginRegexp, '');\n};\n\nexports.stringTrimRight = function (string) {\n    return string.replace(trimEndRegexp, '');\n};\n\nexports.copyObject = function(obj) {\n    var copy = {};\n    for (var key in obj) {\n        copy[key] = obj[key];\n    }\n    return copy;\n};\n\nexports.copyArray = function(array){\n    var copy = [];\n    for (var i=0, l=array.length; i<l; i++) {\n        if (array[i] && typeof array[i] == \"object\")\n            copy[i] = this.copyObject(array[i]);\n        else \n            copy[i] = array[i];\n    }\n    return copy;\n};\n\nexports.deepCopy = function deepCopy(obj) {\n    if (typeof obj !== \"object\" || !obj)\n        return obj;\n    var copy;\n    if (Array.isArray(obj)) {\n        copy = [];\n        for (var key = 0; key < obj.length; key++) {\n            copy[key] = deepCopy(obj[key]);\n        }\n        return copy;\n    }\n    if (Object.prototype.toString.call(obj) !== \"[object Object]\")\n        return obj;\n    \n    copy = {};\n    for (var key in obj)\n        copy[key] = deepCopy(obj[key]);\n    return copy;\n};\n\nexports.arrayToMap = function(arr) {\n    var map = {};\n    for (var i=0; i<arr.length; i++) {\n        map[arr[i]] = 1;\n    }\n    return map;\n\n};\n\nexports.createMap = function(props) {\n    var map = Object.create(null);\n    for (var i in props) {\n        map[i] = props[i];\n    }\n    return map;\n};\nexports.arrayRemove = function(array, value) {\n  for (var i = 0; i <= array.length; i++) {\n    if (value === array[i]) {\n      array.splice(i, 1);\n    }\n  }\n};\n\nexports.escapeRegExp = function(str) {\n    return str.replace(/([.*+?^${}()|[\\]\\/\\\\])/g, '\\\\$1');\n};\n\nexports.escapeHTML = function(str) {\n    return (\"\" + str).replace(/&/g, \"&#38;\").replace(/\"/g, \"&#34;\").replace(/'/g, \"&#39;\").replace(/</g, \"&#60;\");\n};\n\nexports.getMatchOffsets = function(string, regExp) {\n    var matches = [];\n\n    string.replace(regExp, function(str) {\n        matches.push({\n            offset: arguments[arguments.length-2],\n            length: str.length\n        });\n    });\n\n    return matches;\n};\nexports.deferredCall = function(fcn) {\n    var timer = null;\n    var callback = function() {\n        timer = null;\n        fcn();\n    };\n\n    var deferred = function(timeout) {\n        deferred.cancel();\n        timer = setTimeout(callback, timeout || 0);\n        return deferred;\n    };\n\n    deferred.schedule = deferred;\n\n    deferred.call = function() {\n        this.cancel();\n        fcn();\n        return deferred;\n    };\n\n    deferred.cancel = function() {\n        clearTimeout(timer);\n        timer = null;\n        return deferred;\n    };\n    \n    deferred.isPending = function() {\n        return timer;\n    };\n\n    return deferred;\n};\n\n\nexports.delayedCall = function(fcn, defaultTimeout) {\n    var timer = null;\n    var callback = function() {\n        timer = null;\n        fcn();\n    };\n\n    var _self = function(timeout) {\n        if (timer == null)\n            timer = setTimeout(callback, timeout || defaultTimeout);\n    };\n\n    _self.delay = function(timeout) {\n        timer && clearTimeout(timer);\n        timer = setTimeout(callback, timeout || defaultTimeout);\n    };\n    _self.schedule = _self;\n\n    _self.call = function() {\n        this.cancel();\n        fcn();\n    };\n\n    _self.cancel = function() {\n        timer && clearTimeout(timer);\n        timer = null;\n    };\n\n    _self.isPending = function() {\n        return timer;\n    };\n\n    return _self;\n};\n});\n\nace.define(\"ace/clipboard\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nvar $cancelT;\nmodule.exports = { \n    lineMode: false,\n    pasteCancelled: function() {\n        if ($cancelT && $cancelT > Date.now() - 50)\n            return true;\n        return $cancelT = false;\n    },\n    cancel: function() {\n        $cancelT = Date.now();\n    }\n};\n\n});\n\nace.define(\"ace/keyboard/textinput\",[\"require\",\"exports\",\"module\",\"ace/lib/event\",\"ace/lib/useragent\",\"ace/lib/dom\",\"ace/lib/lang\",\"ace/clipboard\",\"ace/lib/keys\"], function(require, exports, module) {\n\"use strict\";\n\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nvar dom = require(\"../lib/dom\");\nvar lang = require(\"../lib/lang\");\nvar clipboard = require(\"../clipboard\");\nvar BROKEN_SETDATA = useragent.isChrome < 18;\nvar USE_IE_MIME_TYPE =  useragent.isIE;\nvar HAS_FOCUS_ARGS = useragent.isChrome > 63;\nvar MAX_LINE_LENGTH = 400;\n\nvar KEYS = require(\"../lib/keys\");\nvar MODS = KEYS.KEY_MODS;\nvar isIOS = useragent.isIOS;\nvar valueResetRegex = isIOS ? /\\s/ : /\\n/;\nvar isMobile = useragent.isMobile;\n\nvar TextInput = function(parentNode, host) {\n    var text = dom.createElement(\"textarea\");\n    text.className = \"ace_text-input\";\n\n    text.setAttribute(\"wrap\", \"off\");\n    text.setAttribute(\"autocorrect\", \"off\");\n    text.setAttribute(\"autocapitalize\", \"off\");\n    text.setAttribute(\"spellcheck\", false);\n\n    text.style.opacity = \"0\";\n    parentNode.insertBefore(text, parentNode.firstChild);\n\n    var copied = false;\n    var pasted = false;\n    var inComposition = false;\n    var sendingText = false;\n    var tempStyle = '';\n    \n    if (!isMobile)\n        text.style.fontSize = \"1px\";\n\n    var commandMode = false;\n    var ignoreFocusEvents = false;\n    \n    var lastValue = \"\";\n    var lastSelectionStart = 0;\n    var lastSelectionEnd = 0;\n    var lastRestoreEnd = 0;\n    try { var isFocused = document.activeElement === text; } catch(e) {}\n    \n    event.addListener(text, \"blur\", function(e) {\n        if (ignoreFocusEvents) return;\n        host.onBlur(e);\n        isFocused = false;\n    }, host);\n    event.addListener(text, \"focus\", function(e) {\n        if (ignoreFocusEvents) return;\n        isFocused = true;\n        if (useragent.isEdge) {\n            try {\n                if (!document.hasFocus())\n                    return;\n            } catch(e) {}\n        }\n        host.onFocus(e);\n        if (useragent.isEdge)\n            setTimeout(resetSelection);\n        else\n            resetSelection();\n    }, host);\n    this.$focusScroll = false;\n    this.focus = function() {\n        if (tempStyle || HAS_FOCUS_ARGS || this.$focusScroll == \"browser\")\n            return text.focus({ preventScroll: true });\n\n        var top = text.style.top;\n        text.style.position = \"fixed\";\n        text.style.top = \"0px\";\n        try {\n            var isTransformed = text.getBoundingClientRect().top != 0;\n        } catch(e) {\n            return;\n        }\n        var ancestors = [];\n        if (isTransformed) {\n            var t = text.parentElement;\n            while (t && t.nodeType == 1) {\n                ancestors.push(t);\n                t.setAttribute(\"ace_nocontext\", true);\n                if (!t.parentElement && t.getRootNode)\n                    t = t.getRootNode().host;\n                else\n                    t = t.parentElement;\n            }\n        }\n        text.focus({ preventScroll: true });\n        if (isTransformed) {\n            ancestors.forEach(function(p) {\n                p.removeAttribute(\"ace_nocontext\");\n            });\n        }\n        setTimeout(function() {\n            text.style.position = \"\";\n            if (text.style.top == \"0px\")\n                text.style.top = top;\n        }, 0);\n    };\n    this.blur = function() {\n        text.blur();\n    };\n    this.isFocused = function() {\n        return isFocused;\n    };\n    \n    host.on(\"beforeEndOperation\", function() {\n        var curOp = host.curOp;\n        var commandName = curOp && curOp.command && curOp.command.name;\n        if (commandName == \"insertstring\")\n            return;\n        var isUserAction = commandName && (curOp.docChanged || curOp.selectionChanged);\n        if (inComposition && isUserAction) {\n            lastValue = text.value = \"\";\n            onCompositionEnd();\n        }\n        resetSelection();\n    });\n    \n    var resetSelection = isIOS\n    ? function(value) {\n        if (!isFocused || (copied && !value) || sendingText) return;\n        if (!value) \n            value = \"\";\n        var newValue = \"\\n ab\" + value + \"cde fg\\n\";\n        if (newValue != text.value)\n            text.value = lastValue = newValue;\n        \n        var selectionStart = 4;\n        var selectionEnd = 4 + (value.length || (host.selection.isEmpty() ? 0 : 1));\n\n        if (lastSelectionStart != selectionStart || lastSelectionEnd != selectionEnd) {\n            text.setSelectionRange(selectionStart, selectionEnd);\n        }\n        lastSelectionStart = selectionStart;\n        lastSelectionEnd = selectionEnd;\n    }\n    : function() {\n        if (inComposition || sendingText)\n            return;\n        if (!isFocused && !afterContextMenu)\n            return;\n        inComposition = true;\n        \n        var selectionStart = 0;\n        var selectionEnd = 0;\n        var line = \"\";\n\n        if (host.session) {\n            var selection = host.selection;\n            var range = selection.getRange();\n            var row = selection.cursor.row;\n            selectionStart = range.start.column;\n            selectionEnd = range.end.column;\n            line = host.session.getLine(row);\n\n            if (range.start.row != row) {\n                var prevLine = host.session.getLine(row - 1);\n                selectionStart = range.start.row < row - 1 ? 0 : selectionStart;\n                selectionEnd += prevLine.length + 1;\n                line = prevLine + \"\\n\" + line;\n            }\n            else if (range.end.row != row) {\n                var nextLine = host.session.getLine(row + 1);\n                selectionEnd = range.end.row > row  + 1 ? nextLine.length : selectionEnd;\n                selectionEnd += line.length + 1;\n                line = line + \"\\n\" + nextLine;\n            }\n            else if (isMobile && row > 0) {\n                line = \"\\n\" + line;\n                selectionEnd += 1;\n                selectionStart += 1;\n            }\n\n            if (line.length > MAX_LINE_LENGTH) {\n                if (selectionStart < MAX_LINE_LENGTH && selectionEnd < MAX_LINE_LENGTH) {\n                    line = line.slice(0, MAX_LINE_LENGTH);\n                } else {\n                    line = \"\\n\";\n                    if (selectionStart == selectionEnd) {\n                        selectionStart = selectionEnd = 0;\n                    }\n                    else {\n                        selectionStart = 0;\n                        selectionEnd = 1;\n                    }\n                }\n            }\n        }\n\n        var newValue = line + \"\\n\\n\";\n        if (newValue != lastValue) {\n            text.value = lastValue = newValue;\n            lastSelectionStart = lastSelectionEnd = newValue.length;\n        }\n        if (afterContextMenu) {\n            lastSelectionStart = text.selectionStart;\n            lastSelectionEnd = text.selectionEnd;\n        }\n        if (\n            lastSelectionEnd != selectionEnd \n            || lastSelectionStart != selectionStart \n            || text.selectionEnd != lastSelectionEnd // on ie edge selectionEnd changes silently after the initialization\n        ) {\n            try {\n                text.setSelectionRange(selectionStart, selectionEnd);\n                lastSelectionStart = selectionStart;\n                lastSelectionEnd = selectionEnd;\n            } catch(e){}\n        }\n        inComposition = false;\n    };\n    this.resetSelection = resetSelection;\n\n    if (isFocused)\n        host.onFocus();\n\n\n    var isAllSelected = function(text) {\n        return text.selectionStart === 0 && text.selectionEnd >= lastValue.length\n            && text.value === lastValue && lastValue\n            && text.selectionEnd !== lastSelectionEnd;\n    };\n\n    var onSelect = function(e) {\n        if (inComposition)\n            return;\n        if (copied) {\n            copied = false;\n        } else if (isAllSelected(text)) {\n            host.selectAll();\n            resetSelection();\n        } else if (isMobile && text.selectionStart != lastSelectionStart) {\n            resetSelection();\n        }\n    };\n\n    var inputHandler = null;\n    this.setInputHandler = function(cb) {inputHandler = cb;};\n    this.getInputHandler = function() {return inputHandler;};\n    var afterContextMenu = false;\n    \n    var sendText = function(value, fromInput) {\n        if (afterContextMenu)\n            afterContextMenu = false;\n        if (pasted) {\n            resetSelection();\n            if (value)\n                host.onPaste(value);\n            pasted = false;\n            return \"\";\n        } else {\n            var selectionStart = text.selectionStart;\n            var selectionEnd = text.selectionEnd;\n        \n            var extendLeft = lastSelectionStart;\n            var extendRight = lastValue.length - lastSelectionEnd;\n            \n            var inserted = value;\n            var restoreStart = value.length - selectionStart;\n            var restoreEnd = value.length - selectionEnd;\n        \n            var i = 0;\n            while (extendLeft > 0 && lastValue[i] == value[i]) {\n                i++;\n                extendLeft--;\n            }\n            inserted = inserted.slice(i);\n            i = 1;\n            while (extendRight > 0 && lastValue.length - i > lastSelectionStart - 1  && lastValue[lastValue.length - i] == value[value.length - i]) {\n                i++;\n                extendRight--;\n            }\n            restoreStart -= i-1;\n            restoreEnd -= i-1;\n            var endIndex = inserted.length - i + 1;\n            if (endIndex < 0) {\n                extendLeft = -endIndex;\n                endIndex = 0;\n            } \n            inserted = inserted.slice(0, endIndex);\n            if (!fromInput && !inserted && !restoreStart && !extendLeft && !extendRight && !restoreEnd)\n                return \"\";\n            sendingText = true;\n            var shouldReset = false;\n            if (useragent.isAndroid && inserted == \". \") {\n                inserted = \"  \";\n                shouldReset = true;\n            }\n            \n            if (inserted && !extendLeft && !extendRight && !restoreStart && !restoreEnd || commandMode) {\n                host.onTextInput(inserted);\n            } else {\n                host.onTextInput(inserted, {\n                    extendLeft: extendLeft,\n                    extendRight: extendRight,\n                    restoreStart: restoreStart,\n                    restoreEnd: restoreEnd\n                });\n            }\n            sendingText = false;\n            \n            lastValue = value;\n            lastSelectionStart = selectionStart;\n            lastSelectionEnd = selectionEnd;\n            lastRestoreEnd = restoreEnd;\n            return shouldReset ? \"\\n\" : inserted;\n        }\n    };\n    var onInput = function(e) {\n        if (inComposition)\n            return onCompositionUpdate();\n        if (e && e.inputType) {\n            if (e.inputType == \"historyUndo\") return host.execCommand(\"undo\");\n            if (e.inputType == \"historyRedo\") return host.execCommand(\"redo\");\n        }\n        var data = text.value;\n        var inserted = sendText(data, true);\n        if (\n            data.length > MAX_LINE_LENGTH + 100 \n            || valueResetRegex.test(inserted)\n            || isMobile && lastSelectionStart < 1 && lastSelectionStart == lastSelectionEnd\n        ) {\n            resetSelection();\n        }\n    };\n    \n    var handleClipboardData = function(e, data, forceIEMime) {\n        var clipboardData = e.clipboardData || window.clipboardData;\n        if (!clipboardData || BROKEN_SETDATA)\n            return;\n        var mime = USE_IE_MIME_TYPE || forceIEMime ? \"Text\" : \"text/plain\";\n        try {\n            if (data) {\n                return clipboardData.setData(mime, data) !== false;\n            } else {\n                return clipboardData.getData(mime);\n            }\n        } catch(e) {\n            if (!forceIEMime)\n                return handleClipboardData(e, data, true);\n        }\n    };\n\n    var doCopy = function(e, isCut) {\n        var data = host.getCopyText();\n        if (!data)\n            return event.preventDefault(e);\n\n        if (handleClipboardData(e, data)) {\n            if (isIOS) {\n                resetSelection(data);\n                copied = data;\n                setTimeout(function () {\n                    copied = false;\n                }, 10);\n            }\n            isCut ? host.onCut() : host.onCopy();\n            event.preventDefault(e);\n        } else {\n            copied = true;\n            text.value = data;\n            text.select();\n            setTimeout(function(){\n                copied = false;\n                resetSelection();\n                isCut ? host.onCut() : host.onCopy();\n            });\n        }\n    };\n    \n    var onCut = function(e) {\n        doCopy(e, true);\n    };\n    \n    var onCopy = function(e) {\n        doCopy(e, false);\n    };\n    \n    var onPaste = function(e) {\n        var data = handleClipboardData(e);\n        if (clipboard.pasteCancelled())\n            return;\n        if (typeof data == \"string\") {\n            if (data)\n                host.onPaste(data, e);\n            if (useragent.isIE)\n                setTimeout(resetSelection);\n            event.preventDefault(e);\n        }\n        else {\n            text.value = \"\";\n            pasted = true;\n        }\n    };\n\n    event.addCommandKeyListener(text, host.onCommandKey.bind(host), host);\n\n    event.addListener(text, \"select\", onSelect, host);\n    event.addListener(text, \"input\", onInput, host);\n\n    event.addListener(text, \"cut\", onCut, host);\n    event.addListener(text, \"copy\", onCopy, host);\n    event.addListener(text, \"paste\", onPaste, host);\n    if (!('oncut' in text) || !('oncopy' in text) || !('onpaste' in text)) {\n        event.addListener(parentNode, \"keydown\", function(e) {\n            if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)\n                return;\n\n            switch (e.keyCode) {\n                case 67:\n                    onCopy(e);\n                    break;\n                case 86:\n                    onPaste(e);\n                    break;\n                case 88:\n                    onCut(e);\n                    break;\n            }\n        }, host);\n    }\n    var onCompositionStart = function(e) {\n        if (inComposition || !host.onCompositionStart || host.$readOnly) \n            return;\n        \n        inComposition = {};\n\n        if (commandMode)\n            return;\n        \n        if (e.data)\n            inComposition.useTextareaForIME = false;\n        \n        setTimeout(onCompositionUpdate, 0);\n        host._signal(\"compositionStart\");\n        host.on(\"mousedown\", cancelComposition);\n        \n        var range = host.getSelectionRange();\n        range.end.row = range.start.row;\n        range.end.column = range.start.column;\n        inComposition.markerRange = range;\n        inComposition.selectionStart = lastSelectionStart;\n        host.onCompositionStart(inComposition);\n        \n        if (inComposition.useTextareaForIME) {\n            lastValue = text.value = \"\";\n            lastSelectionStart = 0;\n            lastSelectionEnd = 0;\n        }\n        else {\n            if (text.msGetInputContext)\n                inComposition.context = text.msGetInputContext();\n            if (text.getInputContext)\n                inComposition.context = text.getInputContext();\n        }\n    };\n\n    var onCompositionUpdate = function() {\n        if (!inComposition || !host.onCompositionUpdate || host.$readOnly)\n            return;\n        if (commandMode)\n            return cancelComposition();\n        \n        if (inComposition.useTextareaForIME) {\n            host.onCompositionUpdate(text.value);\n        }\n        else {\n            var data = text.value;\n            sendText(data);\n            if (inComposition.markerRange) {\n                if (inComposition.context) {\n                    inComposition.markerRange.start.column = inComposition.selectionStart\n                        = inComposition.context.compositionStartOffset;\n                }\n                inComposition.markerRange.end.column = inComposition.markerRange.start.column\n                    + lastSelectionEnd - inComposition.selectionStart + lastRestoreEnd;\n            }\n        }\n    };\n\n    var onCompositionEnd = function(e) {\n        if (!host.onCompositionEnd || host.$readOnly) return;\n        inComposition = false;\n        host.onCompositionEnd();\n        host.off(\"mousedown\", cancelComposition);\n        if (e) onInput();\n    };\n    \n\n    function cancelComposition() {\n        ignoreFocusEvents = true;\n        text.blur();\n        text.focus();\n        ignoreFocusEvents = false;\n    }\n\n    var syncComposition = lang.delayedCall(onCompositionUpdate, 50).schedule.bind(null, null);\n    \n    function onKeyup(e) {\n        if (e.keyCode == 27 && text.value.length < text.selectionStart) {\n            if (!inComposition)\n                lastValue = text.value;\n            lastSelectionStart = lastSelectionEnd = -1;\n            resetSelection();\n        }\n        syncComposition();\n    }\n\n    event.addListener(text, \"compositionstart\", onCompositionStart, host);\n    event.addListener(text, \"compositionupdate\", onCompositionUpdate, host);\n    event.addListener(text, \"keyup\", onKeyup, host);\n    event.addListener(text, \"keydown\", syncComposition, host);\n    event.addListener(text, \"compositionend\", onCompositionEnd, host);\n\n    this.getElement = function() {\n        return text;\n    };\n    this.setCommandMode = function(value) {\n       commandMode = value;\n       text.readOnly = false;\n    };\n    \n    this.setReadOnly = function(readOnly) {\n        if (!commandMode)\n            text.readOnly = readOnly;\n    };\n\n    this.setCopyWithEmptySelection = function(value) {\n    };\n\n    this.onContextMenu = function(e) {\n        afterContextMenu = true;\n        resetSelection();\n        host._emit(\"nativecontextmenu\", {target: host, domEvent: e});\n        this.moveToMouse(e, true);\n    };\n    \n    this.moveToMouse = function(e, bringToFront) {\n        if (!tempStyle)\n            tempStyle = text.style.cssText;\n        text.style.cssText = (bringToFront ? \"z-index:100000;\" : \"\")\n            + (useragent.isIE ? \"opacity:0.1;\" : \"\")\n            + \"text-indent: -\" + (lastSelectionStart + lastSelectionEnd) * host.renderer.characterWidth * 0.5 + \"px;\";\n\n        var rect = host.container.getBoundingClientRect();\n        var style = dom.computedStyle(host.container);\n        var top = rect.top + (parseInt(style.borderTopWidth) || 0);\n        var left = rect.left + (parseInt(rect.borderLeftWidth) || 0);\n        var maxTop = rect.bottom - top - text.clientHeight -2;\n        var move = function(e) {\n            dom.translate(text, e.clientX - left - 2, Math.min(e.clientY - top - 2, maxTop));\n        }; \n        move(e);\n\n        if (e.type != \"mousedown\")\n            return;\n\n        host.renderer.$isMousePressed = true;\n\n        clearTimeout(closeTimeout);\n        if (useragent.isWin)\n            event.capture(host.container, move, onContextMenuClose);\n    };\n\n    this.onContextMenuClose = onContextMenuClose;\n    var closeTimeout;\n    function onContextMenuClose() {\n        clearTimeout(closeTimeout);\n        closeTimeout = setTimeout(function () {\n            if (tempStyle) {\n                text.style.cssText = tempStyle;\n                tempStyle = '';\n            }\n            host.renderer.$isMousePressed = false;\n            if (host.renderer.$keepTextAreaAtCursor)\n                host.renderer.$moveTextAreaToCursor();\n        }, 0);\n    }\n\n    var onContextMenu = function(e) {\n        host.textInput.onContextMenu(e);\n        onContextMenuClose();\n    };\n    event.addListener(text, \"mouseup\", onContextMenu, host);\n    event.addListener(text, \"mousedown\", function(e) {\n        e.preventDefault();\n        onContextMenuClose();\n    }, host);\n    event.addListener(host.renderer.scroller, \"contextmenu\", onContextMenu, host);\n    event.addListener(text, \"contextmenu\", onContextMenu, host);\n    \n    if (isIOS)\n        addIosSelectionHandler(parentNode, host, text);\n\n    function addIosSelectionHandler(parentNode, host, text) {\n        var typingResetTimeout = null;\n        var typing = false;\n \n        text.addEventListener(\"keydown\", function (e) {\n            if (typingResetTimeout) clearTimeout(typingResetTimeout);\n            typing = true;\n        }, true);\n\n        text.addEventListener(\"keyup\", function (e) {\n            typingResetTimeout = setTimeout(function () {\n                typing = false;\n            }, 100);\n        }, true);\n        var detectArrowKeys = function(e) {\n            if (document.activeElement !== text) return;\n            if (typing || inComposition || host.$mouseHandler.isMousePressed) return;\n\n            if (copied) {\n                return;\n            }\n            var selectionStart = text.selectionStart;\n            var selectionEnd = text.selectionEnd;\n            \n            var key = null;\n            var modifier = 0;\n            if (selectionStart == 0) {\n                key = KEYS.up;\n            } else if (selectionStart == 1) {\n                key = KEYS.home;\n            } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd] == \"\\n\") {\n                key = KEYS.end;\n            } else if (selectionStart < lastSelectionStart && lastValue[selectionStart - 1] == \" \") {\n                key = KEYS.left;\n                modifier = MODS.option;\n            } else if (\n                selectionStart < lastSelectionStart\n                || (\n                    selectionStart == lastSelectionStart \n                    && lastSelectionEnd != lastSelectionStart\n                    && selectionStart == selectionEnd\n                )\n            ) {\n                key = KEYS.left;\n            } else if (selectionEnd > lastSelectionEnd && lastValue.slice(0, selectionEnd).split(\"\\n\").length > 2) {\n                key = KEYS.down;\n            } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd - 1] == \" \") {\n                key = KEYS.right;\n                modifier = MODS.option;\n            } else if (\n                selectionEnd > lastSelectionEnd\n                || (\n                    selectionEnd == lastSelectionEnd \n                    && lastSelectionEnd != lastSelectionStart\n                    && selectionStart == selectionEnd\n                )\n            ) {\n                key = KEYS.right;\n            }\n            \n            if (selectionStart !== selectionEnd)\n                modifier |= MODS.shift;\n\n            if (key) {\n                var result = host.onCommandKey({}, modifier, key);\n                if (!result && host.commands) {\n                    key = KEYS.keyCodeToString(key);\n                    var command = host.commands.findKeyCommand(modifier, key);\n                    if (command)\n                        host.execCommand(command);\n                }\n                lastSelectionStart = selectionStart;\n                lastSelectionEnd = selectionEnd;\n                resetSelection(\"\");\n            }\n        };\n        document.addEventListener(\"selectionchange\", detectArrowKeys);\n        host.on(\"destroy\", function() {\n            document.removeEventListener(\"selectionchange\", detectArrowKeys);\n        });\n    }\n};\n\nexports.TextInput = TextInput;\nexports.$setUserAgentForTests = function(_isMobile, _isIOS) {\n    isMobile = _isMobile;\n    isIOS = _isIOS;\n};\n});\n\nace.define(\"ace/mouse/default_handlers\",[\"require\",\"exports\",\"module\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar useragent = require(\"../lib/useragent\");\n\nvar DRAG_OFFSET = 0; // pixels\nvar SCROLL_COOLDOWN_T = 550; // milliseconds\n\nfunction DefaultHandlers(mouseHandler) {\n    mouseHandler.$clickSelection = null;\n\n    var editor = mouseHandler.editor;\n    editor.setDefaultHandler(\"mousedown\", this.onMouseDown.bind(mouseHandler));\n    editor.setDefaultHandler(\"dblclick\", this.onDoubleClick.bind(mouseHandler));\n    editor.setDefaultHandler(\"tripleclick\", this.onTripleClick.bind(mouseHandler));\n    editor.setDefaultHandler(\"quadclick\", this.onQuadClick.bind(mouseHandler));\n    editor.setDefaultHandler(\"mousewheel\", this.onMouseWheel.bind(mouseHandler));\n\n    var exports = [\"select\", \"startSelect\", \"selectEnd\", \"selectAllEnd\", \"selectByWordsEnd\",\n        \"selectByLinesEnd\", \"dragWait\", \"dragWaitEnd\", \"focusWait\"];\n\n    exports.forEach(function(x) {\n        mouseHandler[x] = this[x];\n    }, this);\n\n    mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, \"getLineRange\");\n    mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, \"getWordRange\");\n}\n\n(function() {\n\n    this.onMouseDown = function(ev) {\n        var inSelection = ev.inSelection();\n        var pos = ev.getDocumentPosition();\n        this.mousedownEvent = ev;\n        var editor = this.editor;\n\n        var button = ev.getButton();\n        if (button !== 0) {\n            var selectionRange = editor.getSelectionRange();\n            var selectionEmpty = selectionRange.isEmpty();\n            if (selectionEmpty || button == 1)\n                editor.selection.moveToPosition(pos);\n            if (button == 2) {\n                editor.textInput.onContextMenu(ev.domEvent);\n                if (!useragent.isMozilla)\n                    ev.preventDefault();\n            }\n            return;\n        }\n\n        this.mousedownEvent.time = Date.now();\n        if (inSelection && !editor.isFocused()) {\n            editor.focus();\n            if (this.$focusTimeout && !this.$clickSelection && !editor.inMultiSelectMode) {\n                this.setState(\"focusWait\");\n                this.captureMouse(ev);\n                return;\n            }\n        }\n\n        this.captureMouse(ev);\n        this.startSelect(pos, ev.domEvent._clicks > 1);\n        return ev.preventDefault();\n    };\n\n    this.startSelect = function(pos, waitForClickSelection) {\n        pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);\n        var editor = this.editor;\n        if (!this.mousedownEvent) return;\n        if (this.mousedownEvent.getShiftKey())\n            editor.selection.selectToPosition(pos);\n        else if (!waitForClickSelection)\n            editor.selection.moveToPosition(pos);\n        if (!waitForClickSelection)\n            this.select();\n        if (editor.renderer.scroller.setCapture) {\n            editor.renderer.scroller.setCapture();\n        }\n        editor.setStyle(\"ace_selecting\");\n        this.setState(\"select\");\n    };\n\n    this.select = function() {\n        var anchor, editor = this.editor;\n        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);\n        if (this.$clickSelection) {\n            var cmp = this.$clickSelection.comparePoint(cursor);\n\n            if (cmp == -1) {\n                anchor = this.$clickSelection.end;\n            } else if (cmp == 1) {\n                anchor = this.$clickSelection.start;\n            } else {\n                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);\n                cursor = orientedRange.cursor;\n                anchor = orientedRange.anchor;\n            }\n            editor.selection.setSelectionAnchor(anchor.row, anchor.column);\n        }\n        editor.selection.selectToPosition(cursor);\n        editor.renderer.scrollCursorIntoView();\n    };\n\n    this.extendSelectionBy = function(unitName) {\n        var anchor, editor = this.editor;\n        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);\n        var range = editor.selection[unitName](cursor.row, cursor.column);\n        if (this.$clickSelection) {\n            var cmpStart = this.$clickSelection.comparePoint(range.start);\n            var cmpEnd = this.$clickSelection.comparePoint(range.end);\n\n            if (cmpStart == -1 && cmpEnd <= 0) {\n                anchor = this.$clickSelection.end;\n                if (range.end.row != cursor.row || range.end.column != cursor.column)\n                    cursor = range.start;\n            } else if (cmpEnd == 1 && cmpStart >= 0) {\n                anchor = this.$clickSelection.start;\n                if (range.start.row != cursor.row || range.start.column != cursor.column)\n                    cursor = range.end;\n            } else if (cmpStart == -1 && cmpEnd == 1) {\n                cursor = range.end;\n                anchor = range.start;\n            } else {\n                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);\n                cursor = orientedRange.cursor;\n                anchor = orientedRange.anchor;\n            }\n            editor.selection.setSelectionAnchor(anchor.row, anchor.column);\n        }\n        editor.selection.selectToPosition(cursor);\n        editor.renderer.scrollCursorIntoView();\n    };\n\n    this.selectEnd =\n    this.selectAllEnd =\n    this.selectByWordsEnd =\n    this.selectByLinesEnd = function() {\n        this.$clickSelection = null;\n        this.editor.unsetStyle(\"ace_selecting\");\n        if (this.editor.renderer.scroller.releaseCapture) {\n            this.editor.renderer.scroller.releaseCapture();\n        }\n    };\n\n    this.focusWait = function() {\n        var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);\n        var time = Date.now();\n\n        if (distance > DRAG_OFFSET || time - this.mousedownEvent.time > this.$focusTimeout)\n            this.startSelect(this.mousedownEvent.getDocumentPosition());\n    };\n\n    this.onDoubleClick = function(ev) {\n        var pos = ev.getDocumentPosition();\n        var editor = this.editor;\n        var session = editor.session;\n\n        var range = session.getBracketRange(pos);\n        if (range) {\n            if (range.isEmpty()) {\n                range.start.column--;\n                range.end.column++;\n            }\n            this.setState(\"select\");\n        } else {\n            range = editor.selection.getWordRange(pos.row, pos.column);\n            this.setState(\"selectByWords\");\n        }\n        this.$clickSelection = range;\n        this.select();\n    };\n\n    this.onTripleClick = function(ev) {\n        var pos = ev.getDocumentPosition();\n        var editor = this.editor;\n\n        this.setState(\"selectByLines\");\n        var range = editor.getSelectionRange();\n        if (range.isMultiLine() && range.contains(pos.row, pos.column)) {\n            this.$clickSelection = editor.selection.getLineRange(range.start.row);\n            this.$clickSelection.end = editor.selection.getLineRange(range.end.row).end;\n        } else {\n            this.$clickSelection = editor.selection.getLineRange(pos.row);\n        }\n        this.select();\n    };\n\n    this.onQuadClick = function(ev) {\n        var editor = this.editor;\n\n        editor.selectAll();\n        this.$clickSelection = editor.getSelectionRange();\n        this.setState(\"selectAll\");\n    };\n\n    this.onMouseWheel = function(ev) {\n        if (ev.getAccelKey())\n            return;\n        if (ev.getShiftKey() && ev.wheelY && !ev.wheelX) {\n            ev.wheelX = ev.wheelY;\n            ev.wheelY = 0;\n        }\n        \n        var editor = this.editor;\n        \n        if (!this.$lastScroll)\n            this.$lastScroll = { t: 0, vx: 0, vy: 0, allowed: 0 };\n        \n        var prevScroll = this.$lastScroll;\n        var t = ev.domEvent.timeStamp;\n        var dt = t - prevScroll.t;\n        var vx = dt ? ev.wheelX / dt : prevScroll.vx;\n        var vy = dt ? ev.wheelY / dt : prevScroll.vy;\n        if (dt < SCROLL_COOLDOWN_T) {\n            vx = (vx + prevScroll.vx) / 2;\n            vy = (vy + prevScroll.vy) / 2;\n        }\n        \n        var direction = Math.abs(vx / vy);\n        \n        var canScroll = false;\n        if (direction >= 1 && editor.renderer.isScrollableBy(ev.wheelX * ev.speed, 0))\n            canScroll = true;\n        if (direction <= 1 && editor.renderer.isScrollableBy(0, ev.wheelY * ev.speed))\n            canScroll = true;\n            \n        if (canScroll) {\n            prevScroll.allowed = t;\n        } else if (t - prevScroll.allowed < SCROLL_COOLDOWN_T) {\n            var isSlower = Math.abs(vx) <= 1.5 * Math.abs(prevScroll.vx)\n                && Math.abs(vy) <= 1.5 * Math.abs(prevScroll.vy);\n            if (isSlower) {\n                canScroll = true;\n                prevScroll.allowed = t;\n            }\n            else {\n                prevScroll.allowed = 0;\n            }\n        }\n        \n        prevScroll.t = t;\n        prevScroll.vx = vx;\n        prevScroll.vy = vy;\n\n        if (canScroll) {\n            editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);\n            return ev.stop();\n        }\n    };\n\n}).call(DefaultHandlers.prototype);\n\nexports.DefaultHandlers = DefaultHandlers;\n\nfunction calcDistance(ax, ay, bx, by) {\n    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));\n}\n\nfunction calcRangeOrientation(range, cursor) {\n    if (range.start.row == range.end.row)\n        var cmp = 2 * cursor.column - range.start.column - range.end.column;\n    else if (range.start.row == range.end.row - 1 && !range.start.column && !range.end.column)\n        var cmp = cursor.column - 4;\n    else\n        var cmp = 2 * cursor.row - range.start.row - range.end.row;\n\n    if (cmp < 0)\n        return {cursor: range.start, anchor: range.end};\n    else\n        return {cursor: range.end, anchor: range.start};\n}\n\n});\n\nace.define(\"ace/tooltip\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar dom = require(\"./lib/dom\");\nfunction Tooltip (parentNode) {\n    this.isOpen = false;\n    this.$element = null;\n    this.$parentNode = parentNode;\n}\n\n(function() {\n    this.$init = function() {\n        this.$element = dom.createElement(\"div\");\n        this.$element.className = \"ace_tooltip\";\n        this.$element.style.display = \"none\";\n        this.$parentNode.appendChild(this.$element);\n        return this.$element;\n    };\n    this.getElement = function() {\n        return this.$element || this.$init();\n    };\n    this.setText = function(text) {\n        this.getElement().textContent = text;\n    };\n    this.setHtml = function(html) {\n        this.getElement().innerHTML = html;\n    };\n    this.setPosition = function(x, y) {\n        this.getElement().style.left = x + \"px\";\n        this.getElement().style.top = y + \"px\";\n    };\n    this.setClassName = function(className) {\n        dom.addCssClass(this.getElement(), className);\n    };\n    this.show = function(text, x, y) {\n        if (text != null)\n            this.setText(text);\n        if (x != null && y != null)\n            this.setPosition(x, y);\n        if (!this.isOpen) {\n            this.getElement().style.display = \"block\";\n            this.isOpen = true;\n        }\n    };\n\n    this.hide = function() {\n        if (this.isOpen) {\n            this.getElement().style.display = \"none\";\n            this.isOpen = false;\n        }\n    };\n    this.getHeight = function() {\n        return this.getElement().offsetHeight;\n    };\n    this.getWidth = function() {\n        return this.getElement().offsetWidth;\n    };\n    \n    this.destroy = function() {\n        this.isOpen = false;\n        if (this.$element && this.$element.parentNode) {\n            this.$element.parentNode.removeChild(this.$element);\n        }\n    };\n\n}).call(Tooltip.prototype);\n\nexports.Tooltip = Tooltip;\n});\n\nace.define(\"ace/mouse/default_gutter_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\",\"ace/lib/oop\",\"ace/lib/event\",\"ace/tooltip\"], function(require, exports, module) {\n\"use strict\";\nvar dom = require(\"../lib/dom\");\nvar oop = require(\"../lib/oop\");\nvar event = require(\"../lib/event\");\nvar Tooltip = require(\"../tooltip\").Tooltip;\n\nfunction GutterHandler(mouseHandler) {\n    var editor = mouseHandler.editor;\n    var gutter = editor.renderer.$gutterLayer;\n    var tooltip = new GutterTooltip(editor.container);\n\n    mouseHandler.editor.setDefaultHandler(\"guttermousedown\", function(e) {\n        if (!editor.isFocused() || e.getButton() != 0)\n            return;\n        var gutterRegion = gutter.getRegion(e);\n\n        if (gutterRegion == \"foldWidgets\")\n            return;\n\n        var row = e.getDocumentPosition().row;\n        var selection = editor.session.selection;\n\n        if (e.getShiftKey())\n            selection.selectTo(row, 0);\n        else {\n            if (e.domEvent.detail == 2) {\n                editor.selectAll();\n                return e.preventDefault();\n            }\n            mouseHandler.$clickSelection = editor.selection.getLineRange(row);\n        }\n        mouseHandler.setState(\"selectByLines\");\n        mouseHandler.captureMouse(e);\n        return e.preventDefault();\n    });\n\n\n    var tooltipTimeout, mouseEvent, tooltipAnnotation;\n\n    function showTooltip() {\n        var row = mouseEvent.getDocumentPosition().row;\n        var annotation = gutter.$annotations[row];\n        if (!annotation)\n            return hideTooltip();\n\n        var maxRow = editor.session.getLength();\n        if (row == maxRow) {\n            var screenRow = editor.renderer.pixelToScreenCoordinates(0, mouseEvent.y).row;\n            var pos = mouseEvent.$pos;\n            if (screenRow > editor.session.documentToScreenRow(pos.row, pos.column))\n                return hideTooltip();\n        }\n\n        if (tooltipAnnotation == annotation)\n            return;\n        tooltipAnnotation = annotation.text.join(\"<br/>\");\n\n        tooltip.setHtml(tooltipAnnotation);\n        tooltip.show();\n        editor._signal(\"showGutterTooltip\", tooltip);\n        editor.on(\"mousewheel\", hideTooltip);\n\n        if (mouseHandler.$tooltipFollowsMouse) {\n            moveTooltip(mouseEvent);\n        } else {\n            var gutterElement = mouseEvent.domEvent.target;\n            var rect = gutterElement.getBoundingClientRect();\n            var style = tooltip.getElement().style;\n            style.left = rect.right + \"px\";\n            style.top = rect.bottom + \"px\";\n        }\n    }\n\n    function hideTooltip() {\n        if (tooltipTimeout)\n            tooltipTimeout = clearTimeout(tooltipTimeout);\n        if (tooltipAnnotation) {\n            tooltip.hide();\n            tooltipAnnotation = null;\n            editor._signal(\"hideGutterTooltip\", tooltip);\n            editor.off(\"mousewheel\", hideTooltip);\n        }\n    }\n\n    function moveTooltip(e) {\n        tooltip.setPosition(e.x, e.y);\n    }\n\n    mouseHandler.editor.setDefaultHandler(\"guttermousemove\", function(e) {\n        var target = e.domEvent.target || e.domEvent.srcElement;\n        if (dom.hasCssClass(target, \"ace_fold-widget\"))\n            return hideTooltip();\n\n        if (tooltipAnnotation && mouseHandler.$tooltipFollowsMouse)\n            moveTooltip(e);\n\n        mouseEvent = e;\n        if (tooltipTimeout)\n            return;\n        tooltipTimeout = setTimeout(function() {\n            tooltipTimeout = null;\n            if (mouseEvent && !mouseHandler.isMousePressed)\n                showTooltip();\n            else\n                hideTooltip();\n        }, 50);\n    });\n\n    event.addListener(editor.renderer.$gutter, \"mouseout\", function(e) {\n        mouseEvent = null;\n        if (!tooltipAnnotation || tooltipTimeout)\n            return;\n\n        tooltipTimeout = setTimeout(function() {\n            tooltipTimeout = null;\n            hideTooltip();\n        }, 50);\n    }, editor);\n    \n    editor.on(\"changeSession\", hideTooltip);\n}\n\nfunction GutterTooltip(parentNode) {\n    Tooltip.call(this, parentNode);\n}\n\noop.inherits(GutterTooltip, Tooltip);\n\n(function(){\n    this.setPosition = function(x, y) {\n        var windowWidth = window.innerWidth || document.documentElement.clientWidth;\n        var windowHeight = window.innerHeight || document.documentElement.clientHeight;\n        var width = this.getWidth();\n        var height = this.getHeight();\n        x += 15;\n        y += 15;\n        if (x + width > windowWidth) {\n            x -= (x + width) - windowWidth;\n        }\n        if (y + height > windowHeight) {\n            y -= 20 + height;\n        }\n        Tooltip.prototype.setPosition.call(this, x, y);\n    };\n\n}).call(GutterTooltip.prototype);\n\n\n\nexports.GutterHandler = GutterHandler;\n\n});\n\nace.define(\"ace/mouse/mouse_event\",[\"require\",\"exports\",\"module\",\"ace/lib/event\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nvar MouseEvent = exports.MouseEvent = function(domEvent, editor) {\n    this.domEvent = domEvent;\n    this.editor = editor;\n    \n    this.x = this.clientX = domEvent.clientX;\n    this.y = this.clientY = domEvent.clientY;\n\n    this.$pos = null;\n    this.$inSelection = null;\n    \n    this.propagationStopped = false;\n    this.defaultPrevented = false;\n};\n\n(function() {  \n    \n    this.stopPropagation = function() {\n        event.stopPropagation(this.domEvent);\n        this.propagationStopped = true;\n    };\n    \n    this.preventDefault = function() {\n        event.preventDefault(this.domEvent);\n        this.defaultPrevented = true;\n    };\n    \n    this.stop = function() {\n        this.stopPropagation();\n        this.preventDefault();\n    };\n    this.getDocumentPosition = function() {\n        if (this.$pos)\n            return this.$pos;\n        \n        this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);\n        return this.$pos;\n    };\n    this.inSelection = function() {\n        if (this.$inSelection !== null)\n            return this.$inSelection;\n            \n        var editor = this.editor;\n        \n\n        var selectionRange = editor.getSelectionRange();\n        if (selectionRange.isEmpty())\n            this.$inSelection = false;\n        else {\n            var pos = this.getDocumentPosition();\n            this.$inSelection = selectionRange.contains(pos.row, pos.column);\n        }\n\n        return this.$inSelection;\n    };\n    this.getButton = function() {\n        return event.getButton(this.domEvent);\n    };\n    this.getShiftKey = function() {\n        return this.domEvent.shiftKey;\n    };\n    \n    this.getAccelKey = useragent.isMac\n        ? function() { return this.domEvent.metaKey; }\n        : function() { return this.domEvent.ctrlKey; };\n    \n}).call(MouseEvent.prototype);\n\n});\n\nace.define(\"ace/mouse/dragdrop_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\",\"ace/lib/event\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"../lib/dom\");\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\n\nvar AUTOSCROLL_DELAY = 200;\nvar SCROLL_CURSOR_DELAY = 200;\nvar SCROLL_CURSOR_HYSTERESIS = 5;\n\nfunction DragdropHandler(mouseHandler) {\n\n    var editor = mouseHandler.editor;\n\n    var blankImage = dom.createElement(\"img\");\n    blankImage.src = \"data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\";\n    if (useragent.isOpera)\n        blankImage.style.cssText = \"width:1px;height:1px;position:fixed;top:0;left:0;z-index:2147483647;opacity:0;\";\n\n    var exports = [\"dragWait\", \"dragWaitEnd\", \"startDrag\", \"dragReadyEnd\", \"onMouseDrag\"];\n\n     exports.forEach(function(x) {\n         mouseHandler[x] = this[x];\n    }, this);\n    editor.on(\"mousedown\", this.onMouseDown.bind(mouseHandler));\n\n\n    var mouseTarget = editor.container;\n    var dragSelectionMarker, x, y;\n    var timerId, range;\n    var dragCursor, counter = 0;\n    var dragOperation;\n    var isInternal;\n    var autoScrollStartTime;\n    var cursorMovedTime;\n    var cursorPointOnCaretMoved;\n\n    this.onDragStart = function(e) {\n        if (this.cancelDrag || !mouseTarget.draggable) {\n            var self = this;\n            setTimeout(function(){\n                self.startSelect();\n                self.captureMouse(e);\n            }, 0);\n            return e.preventDefault();\n        }\n        range = editor.getSelectionRange();\n\n        var dataTransfer = e.dataTransfer;\n        dataTransfer.effectAllowed = editor.getReadOnly() ? \"copy\" : \"copyMove\";\n        if (useragent.isOpera) {\n            editor.container.appendChild(blankImage);\n            blankImage.scrollTop = 0;\n        }\n        dataTransfer.setDragImage && dataTransfer.setDragImage(blankImage, 0, 0);\n        if (useragent.isOpera) {\n            editor.container.removeChild(blankImage);\n        }\n        dataTransfer.clearData();\n        dataTransfer.setData(\"Text\", editor.session.getTextRange());\n\n        isInternal = true;\n        this.setState(\"drag\");\n    };\n\n    this.onDragEnd = function(e) {\n        mouseTarget.draggable = false;\n        isInternal = false;\n        this.setState(null);\n        if (!editor.getReadOnly()) {\n            var dropEffect = e.dataTransfer.dropEffect;\n            if (!dragOperation && dropEffect == \"move\")\n                editor.session.remove(editor.getSelectionRange());\n            editor.$resetCursorStyle();\n        }\n        this.editor.unsetStyle(\"ace_dragging\");\n        this.editor.renderer.setCursorStyle(\"\");\n    };\n\n    this.onDragEnter = function(e) {\n        if (editor.getReadOnly() || !canAccept(e.dataTransfer))\n            return;\n        x = e.clientX;\n        y = e.clientY;\n        if (!dragSelectionMarker)\n            addDragMarker();\n        counter++;\n        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);\n        return event.preventDefault(e);\n    };\n\n    this.onDragOver = function(e) {\n        if (editor.getReadOnly() || !canAccept(e.dataTransfer))\n            return;\n        x = e.clientX;\n        y = e.clientY;\n        if (!dragSelectionMarker) {\n            addDragMarker();\n            counter++;\n        }\n        if (onMouseMoveTimer !== null)\n            onMouseMoveTimer = null;\n\n        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);\n        return event.preventDefault(e);\n    };\n\n    this.onDragLeave = function(e) {\n        counter--;\n        if (counter <= 0 && dragSelectionMarker) {\n            clearDragMarker();\n            dragOperation = null;\n            return event.preventDefault(e);\n        }\n    };\n\n    this.onDrop = function(e) {\n        if (!dragCursor)\n            return;\n        var dataTransfer = e.dataTransfer;\n        if (isInternal) {\n            switch (dragOperation) {\n                case \"move\":\n                    if (range.contains(dragCursor.row, dragCursor.column)) {\n                        range = {\n                            start: dragCursor,\n                            end: dragCursor\n                        };\n                    } else {\n                        range = editor.moveText(range, dragCursor);\n                    }\n                    break;\n                case \"copy\":\n                    range = editor.moveText(range, dragCursor, true);\n                    break;\n            }\n        } else {\n            var dropData = dataTransfer.getData('Text');\n            range = {\n                start: dragCursor,\n                end: editor.session.insert(dragCursor, dropData)\n            };\n            editor.focus();\n            dragOperation = null;\n        }\n        clearDragMarker();\n        return event.preventDefault(e);\n    };\n\n    event.addListener(mouseTarget, \"dragstart\", this.onDragStart.bind(mouseHandler), editor);\n    event.addListener(mouseTarget, \"dragend\", this.onDragEnd.bind(mouseHandler), editor);\n    event.addListener(mouseTarget, \"dragenter\", this.onDragEnter.bind(mouseHandler), editor);\n    event.addListener(mouseTarget, \"dragover\", this.onDragOver.bind(mouseHandler), editor);\n    event.addListener(mouseTarget, \"dragleave\", this.onDragLeave.bind(mouseHandler), editor);\n    event.addListener(mouseTarget, \"drop\", this.onDrop.bind(mouseHandler), editor);\n\n    function scrollCursorIntoView(cursor, prevCursor) {\n        var now = Date.now();\n        var vMovement = !prevCursor || cursor.row != prevCursor.row;\n        var hMovement = !prevCursor || cursor.column != prevCursor.column;\n        if (!cursorMovedTime || vMovement || hMovement) {\n            editor.moveCursorToPosition(cursor);\n            cursorMovedTime = now;\n            cursorPointOnCaretMoved = {x: x, y: y};\n        } else {\n            var distance = calcDistance(cursorPointOnCaretMoved.x, cursorPointOnCaretMoved.y, x, y);\n            if (distance > SCROLL_CURSOR_HYSTERESIS) {\n                cursorMovedTime = null;\n            } else if (now - cursorMovedTime >= SCROLL_CURSOR_DELAY) {\n                editor.renderer.scrollCursorIntoView();\n                cursorMovedTime = null;\n            }\n        }\n    }\n\n    function autoScroll(cursor, prevCursor) {\n        var now = Date.now();\n        var lineHeight = editor.renderer.layerConfig.lineHeight;\n        var characterWidth = editor.renderer.layerConfig.characterWidth;\n        var editorRect = editor.renderer.scroller.getBoundingClientRect();\n        var offsets = {\n           x: {\n               left: x - editorRect.left,\n               right: editorRect.right - x\n           },\n           y: {\n               top: y - editorRect.top,\n               bottom: editorRect.bottom - y\n           }\n        };\n        var nearestXOffset = Math.min(offsets.x.left, offsets.x.right);\n        var nearestYOffset = Math.min(offsets.y.top, offsets.y.bottom);\n        var scrollCursor = {row: cursor.row, column: cursor.column};\n        if (nearestXOffset / characterWidth <= 2) {\n            scrollCursor.column += (offsets.x.left < offsets.x.right ? -3 : +2);\n        }\n        if (nearestYOffset / lineHeight <= 1) {\n            scrollCursor.row += (offsets.y.top < offsets.y.bottom ? -1 : +1);\n        }\n        var vScroll = cursor.row != scrollCursor.row;\n        var hScroll = cursor.column != scrollCursor.column;\n        var vMovement = !prevCursor || cursor.row != prevCursor.row;\n        if (vScroll || (hScroll && !vMovement)) {\n            if (!autoScrollStartTime)\n                autoScrollStartTime = now;\n            else if (now - autoScrollStartTime >= AUTOSCROLL_DELAY)\n                editor.renderer.scrollCursorIntoView(scrollCursor);\n        } else {\n            autoScrollStartTime = null;\n        }\n    }\n\n    function onDragInterval() {\n        var prevCursor = dragCursor;\n        dragCursor = editor.renderer.screenToTextCoordinates(x, y);\n        scrollCursorIntoView(dragCursor, prevCursor);\n        autoScroll(dragCursor, prevCursor);\n    }\n\n    function addDragMarker() {\n        range = editor.selection.toOrientedRange();\n        dragSelectionMarker = editor.session.addMarker(range, \"ace_selection\", editor.getSelectionStyle());\n        editor.clearSelection();\n        if (editor.isFocused())\n            editor.renderer.$cursorLayer.setBlinking(false);\n        clearInterval(timerId);\n        onDragInterval();\n        timerId = setInterval(onDragInterval, 20);\n        counter = 0;\n        event.addListener(document, \"mousemove\", onMouseMove);\n    }\n\n    function clearDragMarker() {\n        clearInterval(timerId);\n        editor.session.removeMarker(dragSelectionMarker);\n        dragSelectionMarker = null;\n        editor.selection.fromOrientedRange(range);\n        if (editor.isFocused() && !isInternal)\n            editor.$resetCursorStyle();\n        range = null;\n        dragCursor = null;\n        counter = 0;\n        autoScrollStartTime = null;\n        cursorMovedTime = null;\n        event.removeListener(document, \"mousemove\", onMouseMove);\n    }\n    var onMouseMoveTimer = null;\n    function onMouseMove() {\n        if (onMouseMoveTimer == null) {\n            onMouseMoveTimer = setTimeout(function() {\n                if (onMouseMoveTimer != null && dragSelectionMarker)\n                    clearDragMarker();\n            }, 20);\n        }\n    }\n\n    function canAccept(dataTransfer) {\n        var types = dataTransfer.types;\n        return !types || Array.prototype.some.call(types, function(type) {\n            return type == 'text/plain' || type == 'Text';\n        });\n    }\n\n    function getDropEffect(e) {\n        var copyAllowed = ['copy', 'copymove', 'all', 'uninitialized'];\n        var moveAllowed = ['move', 'copymove', 'linkmove', 'all', 'uninitialized'];\n\n        var copyModifierState = useragent.isMac ? e.altKey : e.ctrlKey;\n        var effectAllowed = \"uninitialized\";\n        try {\n            effectAllowed = e.dataTransfer.effectAllowed.toLowerCase();\n        } catch (e) {}\n        var dropEffect = \"none\";\n\n        if (copyModifierState && copyAllowed.indexOf(effectAllowed) >= 0)\n            dropEffect = \"copy\";\n        else if (moveAllowed.indexOf(effectAllowed) >= 0)\n            dropEffect = \"move\";\n        else if (copyAllowed.indexOf(effectAllowed) >= 0)\n            dropEffect = \"copy\";\n\n        return dropEffect;\n    }\n}\n\n(function() {\n\n    this.dragWait = function() {\n        var interval = Date.now() - this.mousedownEvent.time;\n        if (interval > this.editor.getDragDelay())\n            this.startDrag();\n    };\n\n    this.dragWaitEnd = function() {\n        var target = this.editor.container;\n        target.draggable = false;\n        this.startSelect(this.mousedownEvent.getDocumentPosition());\n        this.selectEnd();\n    };\n\n    this.dragReadyEnd = function(e) {\n        this.editor.$resetCursorStyle();\n        this.editor.unsetStyle(\"ace_dragging\");\n        this.editor.renderer.setCursorStyle(\"\");\n        this.dragWaitEnd();\n    };\n\n    this.startDrag = function(){\n        this.cancelDrag = false;\n        var editor = this.editor;\n        var target = editor.container;\n        target.draggable = true;\n        editor.renderer.$cursorLayer.setBlinking(false);\n        editor.setStyle(\"ace_dragging\");\n        var cursorStyle = useragent.isWin ? \"default\" : \"move\";\n        editor.renderer.setCursorStyle(cursorStyle);\n        this.setState(\"dragReady\");\n    };\n\n    this.onMouseDrag = function(e) {\n        var target = this.editor.container;\n        if (useragent.isIE && this.state == \"dragReady\") {\n            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);\n            if (distance > 3)\n                target.dragDrop();\n        }\n        if (this.state === \"dragWait\") {\n            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);\n            if (distance > 0) {\n                target.draggable = false;\n                this.startSelect(this.mousedownEvent.getDocumentPosition());\n            }\n        }\n    };\n\n    this.onMouseDown = function(e) {\n        if (!this.$dragEnabled)\n            return;\n        this.mousedownEvent = e;\n        var editor = this.editor;\n\n        var inSelection = e.inSelection();\n        var button = e.getButton();\n        var clickCount = e.domEvent.detail || 1;\n        if (clickCount === 1 && button === 0 && inSelection) {\n            if (e.editor.inMultiSelectMode && (e.getAccelKey() || e.getShiftKey()))\n                return;\n            this.mousedownEvent.time = Date.now();\n            var eventTarget = e.domEvent.target || e.domEvent.srcElement;\n            if (\"unselectable\" in eventTarget)\n                eventTarget.unselectable = \"on\";\n            if (editor.getDragDelay()) {\n                if (useragent.isWebKit) {\n                    this.cancelDrag = true;\n                    var mouseTarget = editor.container;\n                    mouseTarget.draggable = true;\n                }\n                this.setState(\"dragWait\");\n            } else {\n                this.startDrag();\n            }\n            this.captureMouse(e, this.onMouseDrag.bind(this));\n            e.defaultPrevented = true;\n        }\n    };\n\n}).call(DragdropHandler.prototype);\n\n\nfunction calcDistance(ax, ay, bx, by) {\n    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));\n}\n\nexports.DragdropHandler = DragdropHandler;\n\n});\n\nace.define(\"ace/mouse/touch_handler\",[\"require\",\"exports\",\"module\",\"ace/mouse/mouse_event\",\"ace/lib/event\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar MouseEvent = require(\"./mouse_event\").MouseEvent;\nvar event = require(\"../lib/event\");\nvar dom = require(\"../lib/dom\");\n\nexports.addTouchListeners = function(el, editor) {\n    var mode = \"scroll\";\n    var startX;\n    var startY;\n    var touchStartT;\n    var lastT;\n    var longTouchTimer;\n    var animationTimer;\n    var animationSteps = 0;\n    var pos;\n    var clickCount = 0;\n    var vX = 0;\n    var vY = 0;\n    var pressed;\n    var contextMenu;\n    \n    function createContextMenu() {\n        var clipboard = window.navigator && window.navigator.clipboard;\n        var isOpen = false;\n        var updateMenu = function() {\n            var selected = editor.getCopyText();\n            var hasUndo = editor.session.getUndoManager().hasUndo();\n            contextMenu.replaceChild(\n                dom.buildDom(isOpen ? [\"span\",\n                    !selected && [\"span\", { class: \"ace_mobile-button\", action: \"selectall\" }, \"Select All\"],\n                    selected && [\"span\", { class: \"ace_mobile-button\", action: \"copy\" }, \"Copy\"],\n                    selected && [\"span\", { class: \"ace_mobile-button\", action: \"cut\" }, \"Cut\"],\n                    clipboard && [\"span\", { class: \"ace_mobile-button\", action: \"paste\" }, \"Paste\"],\n                    hasUndo && [\"span\", { class: \"ace_mobile-button\", action: \"undo\" }, \"Undo\"],\n                    [\"span\", { class: \"ace_mobile-button\", action: \"find\" }, \"Find\"],\n                    [\"span\", { class: \"ace_mobile-button\", action: \"openCommandPallete\" }, \"Pallete\"]\n                ] : [\"span\"]),\n                contextMenu.firstChild\n            );\n        };\n        var handleClick = function(e) {\n            var action = e.target.getAttribute(\"action\");\n\n            if (action == \"more\" || !isOpen) {\n                isOpen = !isOpen;\n                return updateMenu();\n            }\n            if (action == \"paste\") {\n                clipboard.readText().then(function (text) {\n                    editor.execCommand(action, text);\n                });\n            }\n            else if (action) {\n                if (action == \"cut\" || action == \"copy\") {\n                    if (clipboard)\n                        clipboard.writeText(editor.getCopyText());\n                    else\n                        document.execCommand(\"copy\");\n                }\n                editor.execCommand(action);\n            }\n            contextMenu.firstChild.style.display = \"none\";\n            isOpen = false;\n            if (action != \"openCommandPallete\")\n                editor.focus();\n        };\n        contextMenu = dom.buildDom([\"div\",\n            {\n                class: \"ace_mobile-menu\",\n                ontouchstart: function(e) {\n                    mode = \"menu\";\n                    e.stopPropagation();\n                    e.preventDefault();\n                    editor.textInput.focus();\n                },\n                ontouchend: function(e) {\n                    e.stopPropagation();\n                    e.preventDefault();\n                    handleClick(e);\n                },\n                onclick: handleClick\n            },\n            [\"span\"],\n            [\"span\", { class: \"ace_mobile-button\", action: \"more\" }, \"...\"]\n        ], editor.container);\n    }\n    function showContextMenu() {\n        if (!contextMenu) createContextMenu();\n        var cursor = editor.selection.cursor;\n        var pagePos = editor.renderer.textToScreenCoordinates(cursor.row, cursor.column);\n        var leftOffset = editor.renderer.textToScreenCoordinates(0, 0).pageX;\n        var scrollLeft = editor.renderer.scrollLeft;\n        var rect = editor.container.getBoundingClientRect();\n        contextMenu.style.top = pagePos.pageY - rect.top - 3 + \"px\";\n        if (pagePos.pageX - rect.left < rect.width - 70) {\n            contextMenu.style.left = \"\";\n            contextMenu.style.right = \"10px\";\n        } else {\n            contextMenu.style.right = \"\";\n            contextMenu.style.left = leftOffset + scrollLeft - rect.left + \"px\";\n        }\n        contextMenu.style.display = \"\";\n        contextMenu.firstChild.style.display = \"none\";\n        editor.on(\"input\", hideContextMenu);\n    }\n    function hideContextMenu(e) {\n        if (contextMenu)\n            contextMenu.style.display = \"none\";\n        editor.off(\"input\", hideContextMenu);\n    }\n\n    function handleLongTap() {\n        longTouchTimer = null;\n        clearTimeout(longTouchTimer);\n        var range = editor.selection.getRange();\n        var inSelection = range.contains(pos.row, pos.column);\n        if (range.isEmpty() || !inSelection) {\n            editor.selection.moveToPosition(pos);\n            editor.selection.selectWord();\n        }\n        mode = \"wait\";\n        showContextMenu();\n    }\n    function switchToSelectionMode() {\n        longTouchTimer = null;\n        clearTimeout(longTouchTimer);\n        editor.selection.moveToPosition(pos);\n        var range = clickCount >= 2\n            ? editor.selection.getLineRange(pos.row)\n            : editor.session.getBracketRange(pos);\n        if (range && !range.isEmpty()) {\n            editor.selection.setRange(range);\n        } else {\n            editor.selection.selectWord();\n        }\n        mode = \"wait\";\n    }\n    event.addListener(el, \"contextmenu\", function(e) {\n        if (!pressed) return;\n        var textarea = editor.textInput.getElement();\n        textarea.focus();\n    }, editor);\n    event.addListener(el, \"touchstart\", function (e) {\n        var touches = e.touches;\n        if (longTouchTimer || touches.length > 1) {\n            clearTimeout(longTouchTimer);\n            longTouchTimer = null;\n            touchStartT = -1;\n            mode = \"zoom\";\n            return;\n        }\n        \n        pressed = editor.$mouseHandler.isMousePressed = true;\n        var h = editor.renderer.layerConfig.lineHeight;\n        var w = editor.renderer.layerConfig.lineHeight;\n        var t = e.timeStamp;\n        lastT = t;\n        var touchObj = touches[0];\n        var x = touchObj.clientX;\n        var y = touchObj.clientY;\n        if (Math.abs(startX - x) + Math.abs(startY - y) > h)\n            touchStartT = -1;\n        \n        startX = e.clientX = x;\n        startY = e.clientY = y;\n        vX = vY = 0;\n        \n        var ev = new MouseEvent(e, editor);\n        pos = ev.getDocumentPosition();\n\n        if (t - touchStartT < 500 && touches.length == 1 && !animationSteps) {\n            clickCount++;\n            e.preventDefault();\n            e.button = 0;\n            switchToSelectionMode();\n        } else {\n            clickCount = 0;\n            var cursor = editor.selection.cursor;\n            var anchor = editor.selection.isEmpty() ? cursor : editor.selection.anchor;\n            \n            var cursorPos = editor.renderer.$cursorLayer.getPixelPosition(cursor, true);\n            var anchorPos = editor.renderer.$cursorLayer.getPixelPosition(anchor, true);\n            var rect = editor.renderer.scroller.getBoundingClientRect();\n            var offsetTop = editor.renderer.layerConfig.offset;\n            var offsetLeft = editor.renderer.scrollLeft;\n            var weightedDistance = function(x, y) {\n                x = x / w;\n                y = y / h - 0.75;\n                return x * x + y * y;\n            };\n            \n            if (e.clientX < rect.left) {\n                mode = \"zoom\";\n                return;\n            }\n            \n            var diff1 = weightedDistance(\n                e.clientX - rect.left - cursorPos.left + offsetLeft,\n                e.clientY - rect.top - cursorPos.top + offsetTop\n            );\n            var diff2 = weightedDistance(\n                e.clientX - rect.left - anchorPos.left + offsetLeft,\n                e.clientY - rect.top - anchorPos.top + offsetTop\n            );\n            if (diff1 < 3.5 && diff2 < 3.5)\n                mode = diff1 > diff2 ? \"cursor\" : \"anchor\";\n                \n            if (diff2 < 3.5)\n                mode = \"anchor\";\n            else if (diff1 < 3.5)\n                mode = \"cursor\";\n            else\n                mode = \"scroll\";\n            longTouchTimer = setTimeout(handleLongTap, 450);\n        }\n        touchStartT = t;\n    }, editor);\n\n    event.addListener(el, \"touchend\", function (e) {\n        pressed = editor.$mouseHandler.isMousePressed = false;\n        if (animationTimer) clearInterval(animationTimer);\n        if (mode == \"zoom\") {\n            mode = \"\";\n            animationSteps = 0;\n        } else if (longTouchTimer) {\n            editor.selection.moveToPosition(pos);\n            animationSteps = 0;\n            showContextMenu();\n        } else if (mode == \"scroll\") {\n            animate();\n            hideContextMenu();\n        } else {\n            showContextMenu();\n        }\n        clearTimeout(longTouchTimer);\n        longTouchTimer = null;\n    }, editor);\n    event.addListener(el, \"touchmove\", function (e) {\n        if (longTouchTimer) {\n            clearTimeout(longTouchTimer);\n            longTouchTimer = null;\n        }\n        var touches = e.touches;\n        if (touches.length > 1 || mode == \"zoom\") return;\n\n        var touchObj = touches[0];\n\n        var wheelX = startX - touchObj.clientX;\n        var wheelY = startY - touchObj.clientY;\n\n        if (mode == \"wait\") {\n            if (wheelX * wheelX + wheelY * wheelY > 4)\n                mode = \"cursor\";\n            else\n                return e.preventDefault();\n        }\n\n        startX = touchObj.clientX;\n        startY = touchObj.clientY;\n\n        e.clientX = touchObj.clientX;\n        e.clientY = touchObj.clientY;\n\n        var t = e.timeStamp;\n        var dt = t - lastT;\n        lastT = t;\n        if (mode == \"scroll\") {\n            var mouseEvent = new MouseEvent(e, editor);\n            mouseEvent.speed = 1;\n            mouseEvent.wheelX = wheelX;\n            mouseEvent.wheelY = wheelY;\n            if (10 * Math.abs(wheelX) < Math.abs(wheelY)) wheelX = 0;\n            if (10 * Math.abs(wheelY) < Math.abs(wheelX)) wheelY = 0;\n            if (dt != 0) {\n                vX = wheelX / dt;\n                vY = wheelY / dt;\n            }\n            editor._emit(\"mousewheel\", mouseEvent);\n            if (!mouseEvent.propagationStopped) {\n                vX = vY = 0;\n            }\n        }\n        else {\n            var ev = new MouseEvent(e, editor);\n            var pos = ev.getDocumentPosition();\n            if (mode == \"cursor\")\n                editor.selection.moveCursorToPosition(pos);\n            else if (mode == \"anchor\")\n                editor.selection.setSelectionAnchor(pos.row, pos.column);\n            editor.renderer.scrollCursorIntoView(pos);\n            e.preventDefault();\n        }\n    }, editor);\n\n    function animate() {\n        animationSteps += 60;\n        animationTimer = setInterval(function() {\n            if (animationSteps-- <= 0) {\n                clearInterval(animationTimer);\n                animationTimer = null;\n            }\n            if (Math.abs(vX) < 0.01) vX = 0;\n            if (Math.abs(vY) < 0.01) vY = 0;\n            if (animationSteps < 20) vX = 0.9 * vX;\n            if (animationSteps < 20) vY = 0.9 * vY;\n            var oldScrollTop = editor.session.getScrollTop();\n            editor.renderer.scrollBy(10 * vX, 10 * vY);\n            if (oldScrollTop == editor.session.getScrollTop())\n                animationSteps = 0;\n        }, 10);\n    }\n};\n\n});\n\nace.define(\"ace/lib/net\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\nvar dom = require(\"./dom\");\n\nexports.get = function (url, callback) {\n    var xhr = new XMLHttpRequest();\n    xhr.open('GET', url, true);\n    xhr.onreadystatechange = function () {\n        if (xhr.readyState === 4) {\n            callback(xhr.responseText);\n        }\n    };\n    xhr.send(null);\n};\n\nexports.loadScript = function(path, callback) {\n    var head = dom.getDocumentHead();\n    var s = document.createElement('script');\n\n    s.src = path;\n    head.appendChild(s);\n\n    s.onload = s.onreadystatechange = function(_, isAbort) {\n        if (isAbort || !s.readyState || s.readyState == \"loaded\" || s.readyState == \"complete\") {\n            s = s.onload = s.onreadystatechange = null;\n            if (!isAbort)\n                callback();\n        }\n    };\n};\nexports.qualifyURL = function(url) {\n    var a = document.createElement('a');\n    a.href = url;\n    return a.href;\n};\n\n});\n\nace.define(\"ace/lib/event_emitter\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nvar EventEmitter = {};\nvar stopPropagation = function() { this.propagationStopped = true; };\nvar preventDefault = function() { this.defaultPrevented = true; };\n\nEventEmitter._emit =\nEventEmitter._dispatchEvent = function(eventName, e) {\n    this._eventRegistry || (this._eventRegistry = {});\n    this._defaultHandlers || (this._defaultHandlers = {});\n\n    var listeners = this._eventRegistry[eventName] || [];\n    var defaultHandler = this._defaultHandlers[eventName];\n    if (!listeners.length && !defaultHandler)\n        return;\n\n    if (typeof e != \"object\" || !e)\n        e = {};\n\n    if (!e.type)\n        e.type = eventName;\n    if (!e.stopPropagation)\n        e.stopPropagation = stopPropagation;\n    if (!e.preventDefault)\n        e.preventDefault = preventDefault;\n\n    listeners = listeners.slice();\n    for (var i=0; i<listeners.length; i++) {\n        listeners[i](e, this);\n        if (e.propagationStopped)\n            break;\n    }\n    \n    if (defaultHandler && !e.defaultPrevented)\n        return defaultHandler(e, this);\n};\n\n\nEventEmitter._signal = function(eventName, e) {\n    var listeners = (this._eventRegistry || {})[eventName];\n    if (!listeners)\n        return;\n    listeners = listeners.slice();\n    for (var i=0; i<listeners.length; i++)\n        listeners[i](e, this);\n};\n\nEventEmitter.once = function(eventName, callback) {\n    var _self = this;\n    this.on(eventName, function newCallback() {\n        _self.off(eventName, newCallback);\n        callback.apply(null, arguments);\n    });\n    if (!callback) {\n        return new Promise(function(resolve) {\n            callback = resolve;\n        });\n    }\n};\n\n\nEventEmitter.setDefaultHandler = function(eventName, callback) {\n    var handlers = this._defaultHandlers;\n    if (!handlers)\n        handlers = this._defaultHandlers = {_disabled_: {}};\n    \n    if (handlers[eventName]) {\n        var old = handlers[eventName];\n        var disabled = handlers._disabled_[eventName];\n        if (!disabled)\n            handlers._disabled_[eventName] = disabled = [];\n        disabled.push(old);\n        var i = disabled.indexOf(callback);\n        if (i != -1) \n            disabled.splice(i, 1);\n    }\n    handlers[eventName] = callback;\n};\nEventEmitter.removeDefaultHandler = function(eventName, callback) {\n    var handlers = this._defaultHandlers;\n    if (!handlers)\n        return;\n    var disabled = handlers._disabled_[eventName];\n    \n    if (handlers[eventName] == callback) {\n        if (disabled)\n            this.setDefaultHandler(eventName, disabled.pop());\n    } else if (disabled) {\n        var i = disabled.indexOf(callback);\n        if (i != -1)\n            disabled.splice(i, 1);\n    }\n};\n\nEventEmitter.on =\nEventEmitter.addEventListener = function(eventName, callback, capturing) {\n    this._eventRegistry = this._eventRegistry || {};\n\n    var listeners = this._eventRegistry[eventName];\n    if (!listeners)\n        listeners = this._eventRegistry[eventName] = [];\n\n    if (listeners.indexOf(callback) == -1)\n        listeners[capturing ? \"unshift\" : \"push\"](callback);\n    return callback;\n};\n\nEventEmitter.off =\nEventEmitter.removeListener =\nEventEmitter.removeEventListener = function(eventName, callback) {\n    this._eventRegistry = this._eventRegistry || {};\n\n    var listeners = this._eventRegistry[eventName];\n    if (!listeners)\n        return;\n\n    var index = listeners.indexOf(callback);\n    if (index !== -1)\n        listeners.splice(index, 1);\n};\n\nEventEmitter.removeAllListeners = function(eventName) {\n    if (!eventName) this._eventRegistry = this._defaultHandlers = undefined;\n    if (this._eventRegistry) this._eventRegistry[eventName] = undefined;\n    if (this._defaultHandlers) this._defaultHandlers[eventName] = undefined;\n};\n\nexports.EventEmitter = EventEmitter;\n\n});\n\nace.define(\"ace/lib/app_config\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"no use strict\";\n\nvar oop = require(\"./oop\");\nvar EventEmitter = require(\"./event_emitter\").EventEmitter;\n\nvar optionsProvider = {\n    setOptions: function(optList) {\n        Object.keys(optList).forEach(function(key) {\n            this.setOption(key, optList[key]);\n        }, this);\n    },\n    getOptions: function(optionNames) {\n        var result = {};\n        if (!optionNames) {\n            var options = this.$options;\n            optionNames = Object.keys(options).filter(function(key) {\n                return !options[key].hidden;\n            });\n        } else if (!Array.isArray(optionNames)) {\n            result = optionNames;\n            optionNames = Object.keys(result);\n        }\n        optionNames.forEach(function(key) {\n            result[key] = this.getOption(key);\n        }, this);\n        return result;\n    },\n    setOption: function(name, value) {\n        if (this[\"$\" + name] === value)\n            return;\n        var opt = this.$options[name];\n        if (!opt) {\n            return warn('misspelled option \"' + name + '\"');\n        }\n        if (opt.forwardTo)\n            return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);\n\n        if (!opt.handlesSet)\n            this[\"$\" + name] = value;\n        if (opt && opt.set)\n            opt.set.call(this, value);\n    },\n    getOption: function(name) {\n        var opt = this.$options[name];\n        if (!opt) {\n            return warn('misspelled option \"' + name + '\"');\n        }\n        if (opt.forwardTo)\n            return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);\n        return opt && opt.get ? opt.get.call(this) : this[\"$\" + name];\n    }\n};\n\nfunction warn(message) {\n    if (typeof console != \"undefined\" && console.warn)\n        console.warn.apply(console, arguments);\n}\n\nfunction reportError(msg, data) {\n    var e = new Error(msg);\n    e.data = data;\n    if (typeof console == \"object\" && console.error)\n        console.error(e);\n    setTimeout(function() { throw e; });\n}\n\nvar AppConfig = function() {\n    this.$defaultOptions = {};\n};\n\n(function() {\n    oop.implement(this, EventEmitter);\n    this.defineOptions = function(obj, path, options) {\n        if (!obj.$options)\n            this.$defaultOptions[path] = obj.$options = {};\n\n        Object.keys(options).forEach(function(key) {\n            var opt = options[key];\n            if (typeof opt == \"string\")\n                opt = {forwardTo: opt};\n\n            opt.name || (opt.name = key);\n            obj.$options[opt.name] = opt;\n            if (\"initialValue\" in opt)\n                obj[\"$\" + opt.name] = opt.initialValue;\n        });\n        oop.implement(obj, optionsProvider);\n\n        return this;\n    };\n\n    this.resetOptions = function(obj) {\n        Object.keys(obj.$options).forEach(function(key) {\n            var opt = obj.$options[key];\n            if (\"value\" in opt)\n                obj.setOption(key, opt.value);\n        });\n    };\n\n    this.setDefaultValue = function(path, name, value) {\n        if (!path) {\n            for (path in this.$defaultOptions)\n                if (this.$defaultOptions[path][name])\n                    break;\n            if (!this.$defaultOptions[path][name])\n                return false;\n        }\n        var opts = this.$defaultOptions[path] || (this.$defaultOptions[path] = {});\n        if (opts[name]) {\n            if (opts.forwardTo)\n                this.setDefaultValue(opts.forwardTo, name, value);\n            else\n                opts[name].value = value;\n        }\n    };\n\n    this.setDefaultValues = function(path, optionHash) {\n        Object.keys(optionHash).forEach(function(key) {\n            this.setDefaultValue(path, key, optionHash[key]);\n        }, this);\n    };\n    \n    this.warn = warn;\n    this.reportError = reportError;\n    \n}).call(AppConfig.prototype);\n\nexports.AppConfig = AppConfig;\n\n});\n\nace.define(\"ace/config\",[\"require\",\"exports\",\"module\",\"ace/lib/lang\",\"ace/lib/oop\",\"ace/lib/net\",\"ace/lib/app_config\"], function(require, exports, module) {\n\"no use strict\";\n\nvar lang = require(\"./lib/lang\");\nvar oop = require(\"./lib/oop\");\nvar net = require(\"./lib/net\");\nvar AppConfig = require(\"./lib/app_config\").AppConfig;\n\nmodule.exports = exports = new AppConfig();\n\nvar global = (function() {\n    return this || typeof window != \"undefined\" && window;\n})();\n\nvar options = {\n    packaged: false,\n    workerPath: null,\n    modePath: null,\n    themePath: null,\n    basePath: \"\",\n    suffix: \".js\",\n    $moduleUrls: {},\n    loadWorkerFromBlob: true,\n    sharedPopups: false\n};\n\nexports.get = function(key) {\n    if (!options.hasOwnProperty(key))\n        throw new Error(\"Unknown config key: \" + key);\n\n    return options[key];\n};\n\nexports.set = function(key, value) {\n    if (options.hasOwnProperty(key))\n        options[key] = value;\n    else if (this.setDefaultValue(\"\", key, value) == false)\n        throw new Error(\"Unknown config key: \" + key);\n};\n\nexports.all = function() {\n    return lang.copyObject(options);\n};\n\nexports.$modes = {};\nexports.moduleUrl = function(name, component) {\n    if (options.$moduleUrls[name])\n        return options.$moduleUrls[name];\n\n    var parts = name.split(\"/\");\n    component = component || parts[parts.length - 2] || \"\";\n    var sep = component == \"snippets\" ? \"/\" : \"-\";\n    var base = parts[parts.length - 1];\n    if (component == \"worker\" && sep == \"-\") {\n        var re = new RegExp(\"^\" + component + \"[\\\\-_]|[\\\\-_]\" + component + \"$\", \"g\");\n        base = base.replace(re, \"\");\n    }\n\n    if ((!base || base == component) && parts.length > 1)\n        base = parts[parts.length - 2];\n    var path = options[component + \"Path\"];\n    if (path == null) {\n        path = options.basePath;\n    } else if (sep == \"/\") {\n        component = sep = \"\";\n    }\n    if (path && path.slice(-1) != \"/\")\n        path += \"/\";\n    return path + component + sep + base + this.get(\"suffix\");\n};\n\nexports.setModuleUrl = function(name, subst) {\n    return options.$moduleUrls[name] = subst;\n};\n\nexports.$loading = {};\nexports.loadModule = function(moduleName, onLoad) {\n    var module, moduleType;\n    if (Array.isArray(moduleName)) {\n        moduleType = moduleName[0];\n        moduleName = moduleName[1];\n    }\n\n    try {\n        module = require(moduleName);\n    } catch (e) {}\n    if (module && !exports.$loading[moduleName])\n        return onLoad && onLoad(module);\n\n    if (!exports.$loading[moduleName])\n        exports.$loading[moduleName] = [];\n\n    exports.$loading[moduleName].push(onLoad);\n\n    if (exports.$loading[moduleName].length > 1)\n        return;\n\n    var afterLoad = function() {\n        require([moduleName], function(module) {\n            exports._emit(\"load.module\", {name: moduleName, module: module});\n            var listeners = exports.$loading[moduleName];\n            exports.$loading[moduleName] = null;\n            listeners.forEach(function(onLoad) {\n                onLoad && onLoad(module);\n            });\n        });\n    };\n\n    if (!exports.get(\"packaged\"))\n        return afterLoad();\n    \n    net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);\n    reportErrorIfPathIsNotConfigured();\n};\n\nvar reportErrorIfPathIsNotConfigured = function() {\n    if (\n        !options.basePath && !options.workerPath \n        && !options.modePath && !options.themePath\n        && !Object.keys(options.$moduleUrls).length\n    ) {\n        console.error(\n            \"Unable to infer path to ace from script src,\",\n            \"use ace.config.set('basePath', 'path') to enable dynamic loading of modes and themes\",\n            \"or with webpack use ace/webpack-resolver\"\n        );\n        reportErrorIfPathIsNotConfigured = function() {};\n    }\n};\ninit(true);function init(packaged) {\n\n    if (!global || !global.document)\n        return;\n    \n    options.packaged = packaged || require.packaged || module.packaged || (global.define && __webpack_require__.amdD.packaged);\n\n    var scriptOptions = {};\n    var scriptUrl = \"\";\n    var currentScript = (document.currentScript || document._currentScript ); // native or polyfill\n    var currentDocument = currentScript && currentScript.ownerDocument || document;\n    \n    var scripts = currentDocument.getElementsByTagName(\"script\");\n    for (var i=0; i<scripts.length; i++) {\n        var script = scripts[i];\n\n        var src = script.src || script.getAttribute(\"src\");\n        if (!src)\n            continue;\n\n        var attributes = script.attributes;\n        for (var j=0, l=attributes.length; j < l; j++) {\n            var attr = attributes[j];\n            if (attr.name.indexOf(\"data-ace-\") === 0) {\n                scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, \"\"))] = attr.value;\n            }\n        }\n\n        var m = src.match(/^(.*)\\/ace(\\-\\w+)?\\.js(\\?|$)/);\n        if (m)\n            scriptUrl = m[1];\n    }\n\n    if (scriptUrl) {\n        scriptOptions.base = scriptOptions.base || scriptUrl;\n        scriptOptions.packaged = true;\n    }\n\n    scriptOptions.basePath = scriptOptions.base;\n    scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;\n    scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;\n    scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;\n    delete scriptOptions.base;\n\n    for (var key in scriptOptions)\n        if (typeof scriptOptions[key] !== \"undefined\")\n            exports.set(key, scriptOptions[key]);\n}\n\nexports.init = init;\n\nfunction deHyphenate(str) {\n    return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });\n}\n\nexports.version = \"1.4.12\";\n\n});\n\nace.define(\"ace/mouse/mouse_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/event\",\"ace/lib/useragent\",\"ace/mouse/default_handlers\",\"ace/mouse/default_gutter_handler\",\"ace/mouse/mouse_event\",\"ace/mouse/dragdrop_handler\",\"ace/mouse/touch_handler\",\"ace/config\"], function(require, exports, module) {\n\"use strict\";\n\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nvar DefaultHandlers = require(\"./default_handlers\").DefaultHandlers;\nvar DefaultGutterHandler = require(\"./default_gutter_handler\").GutterHandler;\nvar MouseEvent = require(\"./mouse_event\").MouseEvent;\nvar DragdropHandler = require(\"./dragdrop_handler\").DragdropHandler;\nvar addTouchListeners = require(\"./touch_handler\").addTouchListeners;\nvar config = require(\"../config\");\n\nvar MouseHandler = function(editor) {\n    var _self = this;\n    this.editor = editor;\n\n    new DefaultHandlers(this);\n    new DefaultGutterHandler(this);\n    new DragdropHandler(this);\n\n    var focusEditor = function(e) {\n        var windowBlurred = !document.hasFocus || !document.hasFocus()\n            || !editor.isFocused() && document.activeElement == (editor.textInput && editor.textInput.getElement());\n        if (windowBlurred)\n            window.focus();\n        editor.focus();\n    };\n\n    var mouseTarget = editor.renderer.getMouseEventTarget();\n    event.addListener(mouseTarget, \"click\", this.onMouseEvent.bind(this, \"click\"), editor);\n    event.addListener(mouseTarget, \"mousemove\", this.onMouseMove.bind(this, \"mousemove\"), editor);\n    event.addMultiMouseDownListener([\n        mouseTarget,\n        editor.renderer.scrollBarV && editor.renderer.scrollBarV.inner,\n        editor.renderer.scrollBarH && editor.renderer.scrollBarH.inner,\n        editor.textInput && editor.textInput.getElement()\n    ].filter(Boolean), [400, 300, 250], this, \"onMouseEvent\", editor);\n    event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, \"mousewheel\"), editor);\n    addTouchListeners(editor.container, editor);\n\n    var gutterEl = editor.renderer.$gutter;\n    event.addListener(gutterEl, \"mousedown\", this.onMouseEvent.bind(this, \"guttermousedown\"), editor);\n    event.addListener(gutterEl, \"click\", this.onMouseEvent.bind(this, \"gutterclick\"), editor);\n    event.addListener(gutterEl, \"dblclick\", this.onMouseEvent.bind(this, \"gutterdblclick\"), editor);\n    event.addListener(gutterEl, \"mousemove\", this.onMouseEvent.bind(this, \"guttermousemove\"), editor);\n\n    event.addListener(mouseTarget, \"mousedown\", focusEditor, editor);\n    event.addListener(gutterEl, \"mousedown\", focusEditor, editor);\n    if (useragent.isIE && editor.renderer.scrollBarV) {\n        event.addListener(editor.renderer.scrollBarV.element, \"mousedown\", focusEditor, editor);\n        event.addListener(editor.renderer.scrollBarH.element, \"mousedown\", focusEditor, editor);\n    }\n\n    editor.on(\"mousemove\", function(e){\n        if (_self.state || _self.$dragDelay || !_self.$dragEnabled)\n            return;\n\n        var character = editor.renderer.screenToTextCoordinates(e.x, e.y);\n        var range = editor.session.selection.getRange();\n        var renderer = editor.renderer;\n\n        if (!range.isEmpty() && range.insideStart(character.row, character.column)) {\n            renderer.setCursorStyle(\"default\");\n        } else {\n            renderer.setCursorStyle(\"\");\n        }\n    }, editor);\n};\n\n(function() {\n    this.onMouseEvent = function(name, e) {\n        this.editor._emit(name, new MouseEvent(e, this.editor));\n    };\n\n    this.onMouseMove = function(name, e) {\n        var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;\n        if (!listeners || !listeners.length)\n            return;\n\n        this.editor._emit(name, new MouseEvent(e, this.editor));\n    };\n\n    this.onMouseWheel = function(name, e) {\n        var mouseEvent = new MouseEvent(e, this.editor);\n        mouseEvent.speed = this.$scrollSpeed * 2;\n        mouseEvent.wheelX = e.wheelX;\n        mouseEvent.wheelY = e.wheelY;\n\n        this.editor._emit(name, mouseEvent);\n    };\n    \n    this.setState = function(state) {\n        this.state = state;\n    };\n\n    this.captureMouse = function(ev, mouseMoveHandler) {\n        this.x = ev.x;\n        this.y = ev.y;\n\n        this.isMousePressed = true;\n        var editor = this.editor;\n        var renderer = this.editor.renderer;\n        renderer.$isMousePressed = true;\n\n        var self = this;\n        var onMouseMove = function(e) {\n            if (!e) return;\n            if (useragent.isWebKit && !e.which && self.releaseMouse)\n                return self.releaseMouse();\n\n            self.x = e.clientX;\n            self.y = e.clientY;\n            mouseMoveHandler && mouseMoveHandler(e);\n            self.mouseEvent = new MouseEvent(e, self.editor);\n            self.$mouseMoved = true;\n        };\n\n        var onCaptureEnd = function(e) {\n            editor.off(\"beforeEndOperation\", onOperationEnd);\n            clearInterval(timerId);\n            onCaptureInterval();\n            self[self.state + \"End\"] && self[self.state + \"End\"](e);\n            self.state = \"\";\n            self.isMousePressed = renderer.$isMousePressed = false;\n            if (renderer.$keepTextAreaAtCursor)\n                renderer.$moveTextAreaToCursor();\n            self.$onCaptureMouseMove = self.releaseMouse = null;\n            e && self.onMouseEvent(\"mouseup\", e);\n            editor.endOperation();\n        };\n\n        var onCaptureInterval = function() {\n            self[self.state] && self[self.state]();\n            self.$mouseMoved = false;\n        };\n\n        if (useragent.isOldIE && ev.domEvent.type == \"dblclick\") {\n            return setTimeout(function() {onCaptureEnd(ev);});\n        }\n\n        var onOperationEnd = function(e) {\n            if (!self.releaseMouse) return;\n            if (editor.curOp.command.name && editor.curOp.selectionChanged) {\n                self[self.state + \"End\"] && self[self.state + \"End\"]();\n                self.state = \"\";\n                self.releaseMouse();\n            }\n        };\n\n        editor.on(\"beforeEndOperation\", onOperationEnd);\n        editor.startOperation({command: {name: \"mouse\"}});\n\n        self.$onCaptureMouseMove = onMouseMove;\n        self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);\n        var timerId = setInterval(onCaptureInterval, 20);\n    };\n    this.releaseMouse = null;\n    this.cancelContextMenu = function() {\n        var stop = function(e) {\n            if (e && e.domEvent && e.domEvent.type != \"contextmenu\")\n                return;\n            this.editor.off(\"nativecontextmenu\", stop);\n            if (e && e.domEvent)\n                event.stopEvent(e.domEvent);\n        }.bind(this);\n        setTimeout(stop, 10);\n        this.editor.on(\"nativecontextmenu\", stop);\n    };\n    this.destroy = function() {\n        if (this.releaseMouse) this.releaseMouse();\n    };\n}).call(MouseHandler.prototype);\n\nconfig.defineOptions(MouseHandler.prototype, \"mouseHandler\", {\n    scrollSpeed: {initialValue: 2},\n    dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},\n    dragEnabled: {initialValue: true},\n    focusTimeout: {initialValue: 0},\n    tooltipFollowsMouse: {initialValue: true}\n});\n\n\nexports.MouseHandler = MouseHandler;\n});\n\nace.define(\"ace/mouse/fold_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\nvar dom = require(\"../lib/dom\");\n\nfunction FoldHandler(editor) {\n\n    editor.on(\"click\", function(e) {\n        var position = e.getDocumentPosition();\n        var session = editor.session;\n        var fold = session.getFoldAt(position.row, position.column, 1);\n        if (fold) {\n            if (e.getAccelKey())\n                session.removeFold(fold);\n            else\n                session.expandFold(fold);\n\n            e.stop();\n        }\n        \n        var target = e.domEvent && e.domEvent.target;\n        if (target && dom.hasCssClass(target, \"ace_inline_button\")) {\n            if (dom.hasCssClass(target, \"ace_toggle_wrap\")) {\n                session.setOption(\"wrap\", !session.getUseWrapMode());\n                editor.renderer.scrollCursorIntoView();\n            }\n        }\n    });\n\n    editor.on(\"gutterclick\", function(e) {\n        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);\n\n        if (gutterRegion == \"foldWidgets\") {\n            var row = e.getDocumentPosition().row;\n            var session = editor.session;\n            if (session.foldWidgets && session.foldWidgets[row])\n                editor.session.onFoldWidgetClick(row, e);\n            if (!editor.isFocused())\n                editor.focus();\n            e.stop();\n        }\n    });\n\n    editor.on(\"gutterdblclick\", function(e) {\n        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);\n\n        if (gutterRegion == \"foldWidgets\") {\n            var row = e.getDocumentPosition().row;\n            var session = editor.session;\n            var data = session.getParentFoldRangeData(row, true);\n            var range = data.range || data.firstRange;\n\n            if (range) {\n                row = range.start.row;\n                var fold = session.getFoldAt(row, session.getLine(row).length, 1);\n\n                if (fold) {\n                    session.removeFold(fold);\n                } else {\n                    session.addFold(\"...\", range);\n                    editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});\n                }\n            }\n            e.stop();\n        }\n    });\n}\n\nexports.FoldHandler = FoldHandler;\n\n});\n\nace.define(\"ace/keyboard/keybinding\",[\"require\",\"exports\",\"module\",\"ace/lib/keys\",\"ace/lib/event\"], function(require, exports, module) {\n\"use strict\";\n\nvar keyUtil  = require(\"../lib/keys\");\nvar event = require(\"../lib/event\");\n\nvar KeyBinding = function(editor) {\n    this.$editor = editor;\n    this.$data = {editor: editor};\n    this.$handlers = [];\n    this.setDefaultHandler(editor.commands);\n};\n\n(function() {\n    this.setDefaultHandler = function(kb) {\n        this.removeKeyboardHandler(this.$defaultHandler);\n        this.$defaultHandler = kb;\n        this.addKeyboardHandler(kb, 0);\n    };\n\n    this.setKeyboardHandler = function(kb) {\n        var h = this.$handlers;\n        if (h[h.length - 1] == kb)\n            return;\n\n        while (h[h.length - 1] && h[h.length - 1] != this.$defaultHandler)\n            this.removeKeyboardHandler(h[h.length - 1]);\n\n        this.addKeyboardHandler(kb, 1);\n    };\n\n    this.addKeyboardHandler = function(kb, pos) {\n        if (!kb)\n            return;\n        if (typeof kb == \"function\" && !kb.handleKeyboard)\n            kb.handleKeyboard = kb;\n        var i = this.$handlers.indexOf(kb);\n        if (i != -1)\n            this.$handlers.splice(i, 1);\n\n        if (pos == undefined)\n            this.$handlers.push(kb);\n        else\n            this.$handlers.splice(pos, 0, kb);\n\n        if (i == -1 && kb.attach)\n            kb.attach(this.$editor);\n    };\n\n    this.removeKeyboardHandler = function(kb) {\n        var i = this.$handlers.indexOf(kb);\n        if (i == -1)\n            return false;\n        this.$handlers.splice(i, 1);\n        kb.detach && kb.detach(this.$editor);\n        return true;\n    };\n\n    this.getKeyboardHandler = function() {\n        return this.$handlers[this.$handlers.length - 1];\n    };\n    \n    this.getStatusText = function() {\n        var data = this.$data;\n        var editor = data.editor;\n        return this.$handlers.map(function(h) {\n            return h.getStatusText && h.getStatusText(editor, data) || \"\";\n        }).filter(Boolean).join(\" \");\n    };\n\n    this.$callKeyboardHandlers = function(hashId, keyString, keyCode, e) {\n        var toExecute;\n        var success = false;\n        var commands = this.$editor.commands;\n\n        for (var i = this.$handlers.length; i--;) {\n            toExecute = this.$handlers[i].handleKeyboard(\n                this.$data, hashId, keyString, keyCode, e\n            );\n            if (!toExecute || !toExecute.command)\n                continue;\n            if (toExecute.command == \"null\") {\n                success = true;\n            } else {\n                success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);\n            }\n            if (success && e && hashId != -1 && \n                toExecute.passEvent != true && toExecute.command.passEvent != true\n            ) {\n                event.stopEvent(e);\n            }\n            if (success)\n                break;\n        }\n        \n        if (!success && hashId == -1) {\n            toExecute = {command: \"insertstring\"};\n            success = commands.exec(\"insertstring\", this.$editor, keyString);\n        }\n        \n        if (success && this.$editor._signal)\n            this.$editor._signal(\"keyboardActivity\", toExecute);\n        \n        return success;\n    };\n\n    this.onCommandKey = function(e, hashId, keyCode) {\n        var keyString = keyUtil.keyCodeToString(keyCode);\n        return this.$callKeyboardHandlers(hashId, keyString, keyCode, e);\n    };\n\n    this.onTextInput = function(text) {\n        return this.$callKeyboardHandlers(-1, text);\n    };\n\n}).call(KeyBinding.prototype);\n\nexports.KeyBinding = KeyBinding;\n});\n\nace.define(\"ace/lib/bidiutil\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nvar ArabicAlefBetIntervalsBegine = ['\\u0621', '\\u0641'];\nvar ArabicAlefBetIntervalsEnd = ['\\u063A', '\\u064a'];\nvar dir = 0, hiLevel = 0;\nvar lastArabic = false, hasUBAT_AL = false,  hasUBAT_B = false,  hasUBAT_S = false, hasBlockSep = false, hasSegSep = false;\n\nvar impTab_LTR = [\t[\t0,\t\t3,\t\t0,\t\t1,\t\t0,\t\t0,\t\t0\t],\t[\t0,\t\t3,\t\t0,\t\t1,\t\t2,\t\t2,\t\t0\t],\t[\t0,\t\t3,\t\t0,\t\t0x11,\t\t2,\t\t0,\t\t1\t],\t[\t0,\t\t3,\t\t5,\t\t5,\t\t4,\t\t1,\t\t0\t],\t[\t0,\t\t3,\t\t0x15,\t\t0x15,\t\t4,\t\t0,\t\t1\t],\t[\t0,\t\t3,\t\t5,\t\t5,\t\t4,\t\t2,\t\t0\t]\n];\n\nvar impTab_RTL = [\t[\t2,\t\t0,\t\t1,\t\t1,\t\t0,\t\t1,\t\t0\t],\t[\t2,\t\t0,\t\t1,\t\t1,\t\t0,\t\t2,\t\t0\t],\t[\t2,\t\t0,\t\t2,\t\t1,\t\t3,\t\t2,\t\t0\t],\t[\t2,\t\t0,\t\t2,\t\t0x21,\t\t3,\t\t1,\t\t1\t]\n];\n\nvar LTR = 0, RTL = 1;\n\nvar L = 0;\nvar R = 1;\nvar EN = 2;\nvar AN = 3;\nvar ON = 4;\nvar B = 5;\nvar S = 6;\nvar AL = 7;\nvar WS = 8;\nvar CS = 9;\nvar ES = 10;\nvar ET = 11;\nvar NSM = 12;\nvar LRE = 13;\nvar RLE = 14;\nvar PDF = 15;\nvar LRO = 16;\nvar RLO = 17;\nvar BN = 18;\n\nvar UnicodeTBL00 = [\nBN,BN,BN,BN,BN,BN,BN,BN,BN,S,B,S,WS,B,BN,BN,\nBN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,B,B,B,S,\nWS,ON,ON,ET,ET,ET,ON,ON,ON,ON,ON,ES,CS,ES,CS,CS,\nEN,EN,EN,EN,EN,EN,EN,EN,EN,EN,CS,ON,ON,ON,ON,ON,\nON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,\nL,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,ON,\nON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,\nL,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,BN,\nBN,BN,BN,BN,BN,B,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,\nBN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,\nCS,ON,ET,ET,ET,ET,ON,ON,ON,ON,L,ON,ON,BN,ON,ON,\nET,ET,EN,EN,ON,L,ON,ON,ON,EN,L,ON,ON,ON,ON,ON\n];\n\nvar UnicodeTBL20 = [\nWS,WS,WS,WS,WS,WS,WS,WS,WS,WS,WS,BN,BN,BN,L,R\t,\nON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,\nON,ON,ON,ON,ON,ON,ON,ON,WS,B,LRE,RLE,PDF,LRO,RLO,CS,\nET,ET,ET,ET,ET,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,\nON,ON,ON,ON,CS,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,\nON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,WS\n];\n\nfunction _computeLevels(chars, levels, len, charTypes) {\n\tvar impTab = dir ? impTab_RTL : impTab_LTR\n\t\t, prevState = null, newClass = null, newLevel = null, newState = 0\n\t\t, action = null, cond = null, condPos = -1, i = null, ix = null, classes = [];\n\n\tif (!charTypes) {\n\t\tfor (i = 0, charTypes = []; i < len; i++) {\n\t\t\tcharTypes[i] = _getCharacterType(chars[i]);\n\t\t}\n\t}\n\thiLevel = dir;\n\tlastArabic = false;\n\thasUBAT_AL = false;\n\thasUBAT_B = false;\n\thasUBAT_S = false;\n\tfor (ix = 0; ix < len; ix++){\n\t\tprevState = newState;\n\t\tclasses[ix] = newClass = _getCharClass(chars, charTypes, classes, ix);\n\t\tnewState = impTab[prevState][newClass];\n\t\taction = newState & 0xF0;\n\t\tnewState &= 0x0F;\n\t\tlevels[ix] = newLevel = impTab[newState][5];\n\t\tif (action > 0){\n\t\t\tif (action == 0x10){\n\t\t\t\tfor(i = condPos; i < ix; i++){\n\t\t\t\t\tlevels[i] = 1;\n\t\t\t\t}\n\t\t\t\tcondPos = -1;\n\t\t\t} else {\n\t\t\t\tcondPos = -1;\n\t\t\t}\n\t\t}\n\t\tcond = impTab[newState][6];\n\t\tif (cond){\n\t\t\tif(condPos == -1){\n\t\t\t\tcondPos = ix;\n\t\t\t}\n\t\t}else{\n\t\t\tif (condPos > -1){\n\t\t\t\tfor(i = condPos; i < ix; i++){\n\t\t\t\t\tlevels[i] = newLevel;\n\t\t\t\t}\n\t\t\t\tcondPos = -1;\n\t\t\t}\n\t\t}\n\t\tif (charTypes[ix] == B){\n\t\t\tlevels[ix] = 0;\n\t\t}\n\t\thiLevel |= newLevel;\n\t}\n\tif (hasUBAT_S){\n\t\tfor(i = 0; i < len; i++){\n\t\t\tif(charTypes[i] == S){\n\t\t\t\tlevels[i] = dir;\n\t\t\t\tfor(var j = i - 1; j >= 0; j--){\n\t\t\t\t\tif(charTypes[j] == WS){\n\t\t\t\t\t\tlevels[j] = dir;\n\t\t\t\t\t}else{\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n}\n\nfunction _invertLevel(lev, levels, _array) {\n\tif (hiLevel < lev){\n\t\treturn;\n\t}\n\tif (lev == 1 && dir == RTL && !hasUBAT_B){\n\t\t_array.reverse();\n\t\treturn;\n\t}\n\tvar len = _array.length, start = 0, end, lo, hi, tmp;\n\twhile(start < len){\n\t\tif (levels[start] >= lev){\n\t\t\tend = start + 1;\n\t\twhile(end < len && levels[end] >= lev){\n\t\t\tend++;\n\t\t}\n\t\tfor(lo = start, hi = end - 1 ; lo < hi; lo++, hi--){\n\t\t\ttmp = _array[lo];\n\t\t\t_array[lo] = _array[hi];\n\t\t\t_array[hi] = tmp;\n\t\t}\n\t\tstart = end;\n\t}\n\tstart++;\n\t}\n}\n\nfunction _getCharClass(chars, types, classes, ix) {\t\t\t\n\tvar cType = types[ix], wType, nType, len, i;\n\tswitch(cType){\n\t\tcase L:\n\t\tcase R:\n\t\t\tlastArabic = false;\n\t\tcase ON:\n\t\tcase AN:\n\t\t\treturn cType;\n\t\tcase EN:\n\t\t\treturn lastArabic ? AN : EN;\n\t\tcase AL:\n\t\t\tlastArabic = true;\n\t\t\thasUBAT_AL = true;\n\t\t\treturn R;\n\t\tcase WS:\n\t\t\treturn ON;\n\t\tcase CS:\n\t\t\tif (ix < 1 || (ix + 1) >= types.length ||\n\t\t\t\t((wType = classes[ix - 1]) != EN && wType != AN) ||\n\t\t\t\t((nType = types[ix + 1]) != EN && nType != AN)){\n\t\t\t\treturn ON;\n\t\t\t}\n\t\t\tif (lastArabic){nType = AN;}\n\t\t\treturn nType == wType ? nType : ON;\n\t\tcase ES:\n\t\t\twType = ix > 0 ? classes[ix - 1] : B;\n\t\t\tif (wType == EN && (ix + 1) < types.length && types[ix + 1] == EN){\n\t\t\t\treturn EN;\n\t\t\t}\n\t\t\treturn ON;\n\t\tcase ET:\n\t\t\tif (ix > 0 && classes[ix - 1] == EN){\n\t\t\t\treturn EN;\n\t\t\t}\n\t\t\tif (lastArabic){\n\t\t\t\treturn ON;\n\t\t\t}\n\t\t\ti = ix + 1;\n\t\t\tlen = types.length;\n\t\t\twhile (i < len && types[i] == ET){\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tif (i < len && types[i] == EN){\n\t\t\t\treturn EN;\n\t\t\t}\n\t\t\treturn ON;\n\t\tcase NSM:\n\t\t\tlen = types.length;\n\t\t\ti = ix + 1;\n\t\t\twhile (i < len && types[i] == NSM){\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tif (i < len){\n\t\t\t\tvar c = chars[ix], rtlCandidate = (c >= 0x0591 && c <= 0x08FF) || c == 0xFB1E;\n\t\t\t\t\n\t\t\t\twType = types[i];\n\t\t\t\tif (rtlCandidate && (wType == R || wType == AL)){\n\t\t\t\t\treturn R;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (ix < 1 || (wType = types[ix - 1]) == B){\n\t\t\t\treturn ON;\n\t\t\t}\n\t\t\treturn classes[ix - 1];\n\t\tcase B:\n\t\t\tlastArabic = false;\n\t\t\thasUBAT_B = true;\n\t\t\treturn dir;\n\t\tcase S:\n\t\t\thasUBAT_S = true;\n\t\t\treturn ON;\n\t\tcase LRE:\n\t\tcase RLE:\n\t\tcase LRO:\n\t\tcase RLO:\n\t\tcase PDF:\n\t\t\tlastArabic = false;\n\t\tcase BN:\n\t\t\treturn ON;\n\t}\n}\n\nfunction _getCharacterType( ch ) {\t\t\n\tvar uc = ch.charCodeAt(0), hi = uc >> 8;\n\t\n\tif (hi == 0) {\t\t\n\t\treturn ((uc > 0x00BF) ? L : UnicodeTBL00[uc]);\n\t} else if (hi == 5) {\n\t\treturn (/[\\u0591-\\u05f4]/.test(ch) ? R : L);\n\t} else if (hi == 6) {\n\t\tif (/[\\u0610-\\u061a\\u064b-\\u065f\\u06d6-\\u06e4\\u06e7-\\u06ed]/.test(ch))\n\t\t\treturn NSM;\n\t\telse if (/[\\u0660-\\u0669\\u066b-\\u066c]/.test(ch))\n\t\t\treturn AN;\n\t\telse if (uc == 0x066A)\n\t\t\treturn ET;\n\t\telse if (/[\\u06f0-\\u06f9]/.test(ch))\n\t\t\treturn EN;\t\t\t\n\t\telse\n\t\t\treturn AL;\n\t} else if (hi == 0x20 && uc <= 0x205F) {\n\t\treturn UnicodeTBL20[uc & 0xFF];\n\t} else if (hi == 0xFE) {\n\t\treturn (uc >= 0xFE70 ? AL : ON);\n\t}\t\t\n\treturn ON;\t\n}\n\nfunction _isArabicDiacritics( ch ) {\n\treturn (ch >= '\\u064b' && ch <= '\\u0655');\n}\nexports.L = L;\nexports.R = R;\nexports.EN = EN;\nexports.ON_R = 3;\nexports.AN = 4;\nexports.R_H = 5;\nexports.B = 6;\nexports.RLE = 7;\n\nexports.DOT = \"\\xB7\";\nexports.doBidiReorder = function(text, textCharTypes, isRtl) {\n\tif (text.length < 2)\n\t\treturn {};\n\t\t\n\tvar chars = text.split(\"\"), logicalFromVisual = new Array(chars.length),\n\t\tbidiLevels = new Array(chars.length), levels = []; \n\n\tdir = isRtl ? RTL : LTR;\n\n\t_computeLevels(chars, levels, chars.length, textCharTypes);\n\n\tfor (var i = 0; i < logicalFromVisual.length; logicalFromVisual[i] = i, i++);\n\n\t_invertLevel(2, levels, logicalFromVisual);\n\t_invertLevel(1, levels, logicalFromVisual);\n\n\tfor (var i = 0; i < logicalFromVisual.length - 1; i++) { //fix levels to reflect character width\n\t\tif (textCharTypes[i] === AN) {\n\t\t\tlevels[i] = exports.AN;\n\t\t} else if (levels[i] === R && ((textCharTypes[i] > AL && textCharTypes[i] < LRE) \n\t\t\t|| textCharTypes[i] === ON || textCharTypes[i] === BN)) {\n\t\t\tlevels[i] = exports.ON_R;\n\t\t} else if ((i > 0 && chars[i - 1] === '\\u0644') && /\\u0622|\\u0623|\\u0625|\\u0627/.test(chars[i])) {\n\t\t\tlevels[i - 1] = levels[i] = exports.R_H;\n\t\t\ti++;\n\t\t}\n\t}\n\tif (chars[chars.length - 1] === exports.DOT)\n\t\tlevels[chars.length - 1] = exports.B;\n\t\t\t\t\n\tif (chars[0] === '\\u202B')\n\t\tlevels[0] = exports.RLE;\n\t\t\t\t\n\tfor (var i = 0; i < logicalFromVisual.length; i++) {\n\t\tbidiLevels[i] = levels[logicalFromVisual[i]];\n\t}\n\n\treturn {'logicalFromVisual': logicalFromVisual, 'bidiLevels': bidiLevels};\n};\nexports.hasBidiCharacters = function(text, textCharTypes){\n\tvar ret = false;\n\tfor (var i = 0; i < text.length; i++){\n\t\ttextCharTypes[i] = _getCharacterType(text.charAt(i));\n\t\tif (!ret && (textCharTypes[i] == R || textCharTypes[i] == AL || textCharTypes[i] == AN))\n\t\t\tret = true;\n\t}\n\treturn ret;\n};\t\nexports.getVisualFromLogicalIdx = function(logIdx, rowMap) {\n\tfor (var i = 0; i < rowMap.logicalFromVisual.length; i++) {\n\t\tif (rowMap.logicalFromVisual[i] == logIdx)\n\t\t\treturn i;\n\t}\n\treturn 0;\n};\n\n});\n\nace.define(\"ace/bidihandler\",[\"require\",\"exports\",\"module\",\"ace/lib/bidiutil\",\"ace/lib/lang\"], function(require, exports, module) {\n\"use strict\";\n\nvar bidiUtil = require(\"./lib/bidiutil\");\nvar lang = require(\"./lib/lang\");\nvar bidiRE = /[\\u0590-\\u05f4\\u0600-\\u06ff\\u0700-\\u08ac\\u202B]/;\nvar BidiHandler = function(session) {\n    this.session = session;\n    this.bidiMap = {};\n    this.currentRow = null;\n    this.bidiUtil = bidiUtil;\n    this.charWidths = [];\n    this.EOL = \"\\xAC\";\n    this.showInvisibles = true;\n    this.isRtlDir = false;\n    this.$isRtl = false;\n    this.line = \"\";\n    this.wrapIndent = 0;\n    this.EOF = \"\\xB6\";\n    this.RLE = \"\\u202B\";\n    this.contentWidth = 0;\n    this.fontMetrics = null;\n    this.rtlLineOffset = 0;\n    this.wrapOffset = 0;\n    this.isMoveLeftOperation = false;\n    this.seenBidi = bidiRE.test(session.getValue());\n};\n\n(function() {\n    this.isBidiRow = function(screenRow, docRow, splitIndex) {\n        if (!this.seenBidi)\n            return false;\n        if (screenRow !== this.currentRow) {\n            this.currentRow = screenRow;\n            this.updateRowLine(docRow, splitIndex);\n            this.updateBidiMap();\n        }\n        return this.bidiMap.bidiLevels;\n    };\n\n    this.onChange = function(delta) {\n        if (!this.seenBidi) {\n            if (delta.action == \"insert\" && bidiRE.test(delta.lines.join(\"\\n\"))) {\n                this.seenBidi = true;\n                this.currentRow = null;\n            }\n        } \n        else {\n            this.currentRow = null;\n        }\n    };\n\n    this.getDocumentRow = function() {\n        var docRow = 0;\n        var rowCache = this.session.$screenRowCache;\n        if (rowCache.length) {\n            var index = this.session.$getRowCacheIndex(rowCache, this.currentRow);\n            if (index >= 0)\n                docRow = this.session.$docRowCache[index];\n        }\n\n        return docRow;\n    };\n\n    this.getSplitIndex = function() {\n        var splitIndex = 0;\n        var rowCache = this.session.$screenRowCache;\n        if (rowCache.length) {\n            var currentIndex, prevIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow);\n            while (this.currentRow - splitIndex > 0) {\n                currentIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow - splitIndex - 1);\n                if (currentIndex !== prevIndex)\n                    break;\n\n                prevIndex = currentIndex;\n                splitIndex++;\n            }\n        } else {\n            splitIndex = this.currentRow;\n        }\n\n        return splitIndex;\n    };\n\n    this.updateRowLine = function(docRow, splitIndex) {\n        if (docRow === undefined)\n            docRow = this.getDocumentRow();\n            \n        var isLastRow = (docRow === this.session.getLength() - 1),\n            endOfLine = isLastRow ? this.EOF : this.EOL;\n\n        this.wrapIndent = 0;\n        this.line = this.session.getLine(docRow);\n        this.isRtlDir = this.$isRtl || this.line.charAt(0) === this.RLE;\n        if (this.session.$useWrapMode) {\n            var splits = this.session.$wrapData[docRow];\n            if (splits) {\n                if (splitIndex === undefined)\n                    splitIndex = this.getSplitIndex();\n\n                if(splitIndex > 0 && splits.length) {\n                    this.wrapIndent = splits.indent;\n                    this.wrapOffset = this.wrapIndent * this.charWidths[bidiUtil.L];\n                    this.line = (splitIndex < splits.length) ?\n                        this.line.substring(splits[splitIndex - 1], splits[splitIndex]) :\n                            this.line.substring(splits[splits.length - 1]);\n                } else {\n                    this.line = this.line.substring(0, splits[splitIndex]);\n                }\n            }\n            if (splitIndex == splits.length)\n                this.line += (this.showInvisibles) ? endOfLine : bidiUtil.DOT;\n        } else {\n            this.line += this.showInvisibles ? endOfLine : bidiUtil.DOT;\n        }\n        var session = this.session, shift = 0, size;\n        this.line = this.line.replace(/\\t|[\\u1100-\\u2029, \\u202F-\\uFFE6]/g, function(ch, i){\n            if (ch === '\\t' || session.isFullWidth(ch.charCodeAt(0))) {\n                size = (ch === '\\t') ? session.getScreenTabSize(i + shift) : 2;\n                shift += size - 1;\n                return lang.stringRepeat(bidiUtil.DOT, size);\n            }\n            return ch;\n        });\n\n        if (this.isRtlDir) {\n            this.fontMetrics.$main.textContent = (this.line.charAt(this.line.length - 1) == bidiUtil.DOT) ? this.line.substr(0, this.line.length - 1) : this.line;\n            this.rtlLineOffset = this.contentWidth - this.fontMetrics.$main.getBoundingClientRect().width;\n        }\n    };\n    \n    this.updateBidiMap = function() {\n        var textCharTypes = [];\n        if (bidiUtil.hasBidiCharacters(this.line, textCharTypes) || this.isRtlDir) {\n             this.bidiMap = bidiUtil.doBidiReorder(this.line, textCharTypes, this.isRtlDir);\n        } else {\n            this.bidiMap = {};\n        }\n    };\n    this.markAsDirty = function() {\n        this.currentRow = null;\n    };\n    this.updateCharacterWidths = function(fontMetrics) {\n        if (this.characterWidth === fontMetrics.$characterSize.width)\n            return;\n\n        this.fontMetrics = fontMetrics;\n        var characterWidth = this.characterWidth = fontMetrics.$characterSize.width;\n        var bidiCharWidth = fontMetrics.$measureCharWidth(\"\\u05d4\");\n\n        this.charWidths[bidiUtil.L] = this.charWidths[bidiUtil.EN] = this.charWidths[bidiUtil.ON_R] = characterWidth;\n        this.charWidths[bidiUtil.R] = this.charWidths[bidiUtil.AN] = bidiCharWidth;\n        this.charWidths[bidiUtil.R_H] = bidiCharWidth * 0.45;\n        this.charWidths[bidiUtil.B] = this.charWidths[bidiUtil.RLE] = 0;\n\n        this.currentRow = null;\n    };\n\n    this.setShowInvisibles = function(showInvisibles) {\n        this.showInvisibles = showInvisibles;\n        this.currentRow = null;\n    };\n\n    this.setEolChar = function(eolChar) {\n        this.EOL = eolChar; \n    };\n\n    this.setContentWidth = function(width) {\n        this.contentWidth = width;\n    };\n\n    this.isRtlLine = function(row) {\n        if (this.$isRtl) return true;\n        if (row != undefined)\n            return (this.session.getLine(row).charAt(0) == this.RLE);\n        else\n            return this.isRtlDir; \n    };\n\n    this.setRtlDirection = function(editor, isRtlDir) {\n        var cursor = editor.getCursorPosition(); \n        for (var row = editor.selection.getSelectionAnchor().row; row <= cursor.row; row++) {\n            if (!isRtlDir && editor.session.getLine(row).charAt(0) === editor.session.$bidiHandler.RLE)\n                editor.session.doc.removeInLine(row, 0, 1);\n            else if (isRtlDir && editor.session.getLine(row).charAt(0) !== editor.session.$bidiHandler.RLE)\n                editor.session.doc.insert({column: 0, row: row}, editor.session.$bidiHandler.RLE);\n        }\n    };\n    this.getPosLeft = function(col) {\n        col -= this.wrapIndent;\n        var leftBoundary = (this.line.charAt(0) === this.RLE) ? 1 : 0;\n        var logicalIdx = (col > leftBoundary) ? (this.session.getOverwrite() ? col : col - 1) : leftBoundary;\n        var visualIdx = bidiUtil.getVisualFromLogicalIdx(logicalIdx, this.bidiMap),\n            levels = this.bidiMap.bidiLevels, left = 0;\n\n        if (!this.session.getOverwrite() && col <= leftBoundary && levels[visualIdx] % 2 !== 0)\n            visualIdx++;\n            \n        for (var i = 0; i < visualIdx; i++) {\n            left += this.charWidths[levels[i]];\n        }\n\n        if (!this.session.getOverwrite() && (col > leftBoundary) && (levels[visualIdx] % 2 === 0))\n            left += this.charWidths[levels[visualIdx]];\n\n        if (this.wrapIndent)\n            left += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;\n\n        if (this.isRtlDir)\n            left += this.rtlLineOffset;\n\n        return left;\n    };\n    this.getSelections = function(startCol, endCol) {\n        var map = this.bidiMap, levels = map.bidiLevels, level, selections = [], offset = 0,\n            selColMin = Math.min(startCol, endCol) - this.wrapIndent, selColMax = Math.max(startCol, endCol) - this.wrapIndent,\n                isSelected = false, isSelectedPrev = false, selectionStart = 0;\n            \n        if (this.wrapIndent)\n            offset += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;\n\n        for (var logIdx, visIdx = 0; visIdx < levels.length; visIdx++) {\n            logIdx = map.logicalFromVisual[visIdx];\n            level = levels[visIdx];\n            isSelected = (logIdx >= selColMin) && (logIdx < selColMax);\n            if (isSelected && !isSelectedPrev) {\n                selectionStart = offset;\n            } else if (!isSelected && isSelectedPrev) {\n                selections.push({left: selectionStart, width: offset - selectionStart});\n            }\n            offset += this.charWidths[level];\n            isSelectedPrev = isSelected;\n        }\n\n        if (isSelected && (visIdx === levels.length)) {\n            selections.push({left: selectionStart, width: offset - selectionStart});\n        }\n\n        if(this.isRtlDir) {\n            for (var i = 0; i < selections.length; i++) {\n                selections[i].left += this.rtlLineOffset;\n            }\n        }\n        return selections;\n    };\n    this.offsetToCol = function(posX) {\n        if(this.isRtlDir)\n            posX -= this.rtlLineOffset;\n\n        var logicalIdx = 0, posX = Math.max(posX, 0),\n            offset = 0, visualIdx = 0, levels = this.bidiMap.bidiLevels,\n                charWidth = this.charWidths[levels[visualIdx]];\n\n        if (this.wrapIndent)\n           posX -= this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;\n    \n        while(posX > offset + charWidth/2) {\n            offset += charWidth;\n            if(visualIdx === levels.length - 1) {\n                charWidth = 0;\n                break;\n            }\n            charWidth = this.charWidths[levels[++visualIdx]];\n        }\n    \n        if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && (levels[visualIdx] % 2 === 0)){\n            if(posX < offset)\n                visualIdx--;\n            logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];\n\n        } else if (visualIdx > 0 && (levels[visualIdx - 1] % 2 === 0) && (levels[visualIdx] % 2 !== 0)){\n            logicalIdx = 1 + ((posX > offset) ? this.bidiMap.logicalFromVisual[visualIdx]\n                    : this.bidiMap.logicalFromVisual[visualIdx - 1]);\n\n        } else if ((this.isRtlDir && visualIdx === levels.length - 1 && charWidth === 0 && (levels[visualIdx - 1] % 2 === 0))\n                || (!this.isRtlDir && visualIdx === 0 && (levels[visualIdx] % 2 !== 0))){\n            logicalIdx = 1 + this.bidiMap.logicalFromVisual[visualIdx];\n        } else {\n            if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && charWidth !== 0)\n                visualIdx--;\n            logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];\n        }\n\n        if (logicalIdx === 0 && this.isRtlDir)\n            logicalIdx++;\n\n        return (logicalIdx + this.wrapIndent);\n    };\n\n}).call(BidiHandler.prototype);\n\nexports.BidiHandler = BidiHandler;\n});\n\nace.define(\"ace/selection\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/lang\",\"ace/lib/event_emitter\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar lang = require(\"./lib/lang\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar Range = require(\"./range\").Range;\nvar Selection = function(session) {\n    this.session = session;\n    this.doc = session.getDocument();\n\n    this.clearSelection();\n    this.cursor = this.lead = this.doc.createAnchor(0, 0);\n    this.anchor = this.doc.createAnchor(0, 0);\n    this.$silent = false;\n\n    var self = this;\n    this.cursor.on(\"change\", function(e) {\n        self.$cursorChanged = true;\n        if (!self.$silent)\n            self._emit(\"changeCursor\");\n        if (!self.$isEmpty && !self.$silent)\n            self._emit(\"changeSelection\");\n        if (!self.$keepDesiredColumnOnChange && e.old.column != e.value.column)\n            self.$desiredColumn = null;\n    });\n\n    this.anchor.on(\"change\", function() {\n        self.$anchorChanged = true;\n        if (!self.$isEmpty && !self.$silent)\n            self._emit(\"changeSelection\");\n    });\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n    this.isEmpty = function() {\n        return this.$isEmpty || (\n            this.anchor.row == this.lead.row &&\n            this.anchor.column == this.lead.column\n        );\n    };\n    this.isMultiLine = function() {\n        return !this.$isEmpty && this.anchor.row != this.cursor.row;\n    };\n    this.getCursor = function() {\n        return this.lead.getPosition();\n    };\n    this.setSelectionAnchor = function(row, column) {\n        this.$isEmpty = false;\n        this.anchor.setPosition(row, column);\n    };\n    this.getAnchor = \n    this.getSelectionAnchor = function() {\n        if (this.$isEmpty)\n            return this.getSelectionLead();\n        \n        return this.anchor.getPosition();\n    };\n    this.getSelectionLead = function() {\n        return this.lead.getPosition();\n    };\n    this.isBackwards = function() {\n        var anchor = this.anchor;\n        var lead = this.lead;\n        return (anchor.row > lead.row || (anchor.row == lead.row && anchor.column > lead.column));\n    };\n    this.getRange = function() {\n        var anchor = this.anchor;\n        var lead = this.lead;\n\n        if (this.$isEmpty)\n            return Range.fromPoints(lead, lead);\n\n        return this.isBackwards()\n            ? Range.fromPoints(lead, anchor)\n            : Range.fromPoints(anchor, lead);\n    };\n    this.clearSelection = function() {\n        if (!this.$isEmpty) {\n            this.$isEmpty = true;\n            this._emit(\"changeSelection\");\n        }\n    };\n    this.selectAll = function() {\n        this.$setSelection(0, 0, Number.MAX_VALUE, Number.MAX_VALUE);\n    };\n    this.setRange =\n    this.setSelectionRange = function(range, reverse) {\n        var start = reverse ? range.end : range.start;\n        var end = reverse ? range.start : range.end;\n        this.$setSelection(start.row, start.column, end.row, end.column);\n    };\n\n    this.$setSelection = function(anchorRow, anchorColumn, cursorRow, cursorColumn) {\n        if (this.$silent)\n            return;\n        var wasEmpty = this.$isEmpty;\n        var wasMultiselect = this.inMultiSelectMode;\n        this.$silent = true;\n        this.$cursorChanged = this.$anchorChanged = false;\n        this.anchor.setPosition(anchorRow, anchorColumn);\n        this.cursor.setPosition(cursorRow, cursorColumn);\n        this.$isEmpty = !Range.comparePoints(this.anchor, this.cursor);\n        this.$silent = false;\n        if (this.$cursorChanged)\n            this._emit(\"changeCursor\");\n        if (this.$cursorChanged || this.$anchorChanged || wasEmpty != this.$isEmpty || wasMultiselect)\n            this._emit(\"changeSelection\");\n    };\n\n    this.$moveSelection = function(mover) {\n        var lead = this.lead;\n        if (this.$isEmpty)\n            this.setSelectionAnchor(lead.row, lead.column);\n\n        mover.call(this);\n    };\n    this.selectTo = function(row, column) {\n        this.$moveSelection(function() {\n            this.moveCursorTo(row, column);\n        });\n    };\n    this.selectToPosition = function(pos) {\n        this.$moveSelection(function() {\n            this.moveCursorToPosition(pos);\n        });\n    };\n    this.moveTo = function(row, column) {\n        this.clearSelection();\n        this.moveCursorTo(row, column);\n    };\n    this.moveToPosition = function(pos) {\n        this.clearSelection();\n        this.moveCursorToPosition(pos);\n    };\n    this.selectUp = function() {\n        this.$moveSelection(this.moveCursorUp);\n    };\n    this.selectDown = function() {\n        this.$moveSelection(this.moveCursorDown);\n    };\n    this.selectRight = function() {\n        this.$moveSelection(this.moveCursorRight);\n    };\n    this.selectLeft = function() {\n        this.$moveSelection(this.moveCursorLeft);\n    };\n    this.selectLineStart = function() {\n        this.$moveSelection(this.moveCursorLineStart);\n    };\n    this.selectLineEnd = function() {\n        this.$moveSelection(this.moveCursorLineEnd);\n    };\n    this.selectFileEnd = function() {\n        this.$moveSelection(this.moveCursorFileEnd);\n    };\n    this.selectFileStart = function() {\n        this.$moveSelection(this.moveCursorFileStart);\n    };\n    this.selectWordRight = function() {\n        this.$moveSelection(this.moveCursorWordRight);\n    };\n    this.selectWordLeft = function() {\n        this.$moveSelection(this.moveCursorWordLeft);\n    };\n    this.getWordRange = function(row, column) {\n        if (typeof column == \"undefined\") {\n            var cursor = row || this.lead;\n            row = cursor.row;\n            column = cursor.column;\n        }\n        return this.session.getWordRange(row, column);\n    };\n    this.selectWord = function() {\n        this.setSelectionRange(this.getWordRange());\n    };\n    this.selectAWord = function() {\n        var cursor = this.getCursor();\n        var range = this.session.getAWordRange(cursor.row, cursor.column);\n        this.setSelectionRange(range);\n    };\n\n    this.getLineRange = function(row, excludeLastChar) {\n        var rowStart = typeof row == \"number\" ? row : this.lead.row;\n        var rowEnd;\n\n        var foldLine = this.session.getFoldLine(rowStart);\n        if (foldLine) {\n            rowStart = foldLine.start.row;\n            rowEnd = foldLine.end.row;\n        } else {\n            rowEnd = rowStart;\n        }\n        if (excludeLastChar === true)\n            return new Range(rowStart, 0, rowEnd, this.session.getLine(rowEnd).length);\n        else\n            return new Range(rowStart, 0, rowEnd + 1, 0);\n    };\n    this.selectLine = function() {\n        this.setSelectionRange(this.getLineRange());\n    };\n    this.moveCursorUp = function() {\n        this.moveCursorBy(-1, 0);\n    };\n    this.moveCursorDown = function() {\n        this.moveCursorBy(1, 0);\n    };\n    this.wouldMoveIntoSoftTab = function(cursor, tabSize, direction) {\n        var start = cursor.column;\n        var end = cursor.column + tabSize;\n\n        if (direction < 0) {\n            start = cursor.column - tabSize;\n            end = cursor.column;\n        }\n        return this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(start, end).split(\" \").length-1 == tabSize;\n    };\n    this.moveCursorLeft = function() {\n        var cursor = this.lead.getPosition(),\n            fold;\n\n        if (fold = this.session.getFoldAt(cursor.row, cursor.column, -1)) {\n            this.moveCursorTo(fold.start.row, fold.start.column);\n        } else if (cursor.column === 0) {\n            if (cursor.row > 0) {\n                this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);\n            }\n        }\n        else {\n            var tabSize = this.session.getTabSize();\n            if (this.wouldMoveIntoSoftTab(cursor, tabSize, -1) && !this.session.getNavigateWithinSoftTabs()) {\n                this.moveCursorBy(0, -tabSize);\n            } else {\n                this.moveCursorBy(0, -1);\n            }\n        }\n    };\n    this.moveCursorRight = function() {\n        var cursor = this.lead.getPosition(),\n            fold;\n        if (fold = this.session.getFoldAt(cursor.row, cursor.column, 1)) {\n            this.moveCursorTo(fold.end.row, fold.end.column);\n        }\n        else if (this.lead.column == this.doc.getLine(this.lead.row).length) {\n            if (this.lead.row < this.doc.getLength() - 1) {\n                this.moveCursorTo(this.lead.row + 1, 0);\n            }\n        }\n        else {\n            var tabSize = this.session.getTabSize();\n            var cursor = this.lead;\n            if (this.wouldMoveIntoSoftTab(cursor, tabSize, 1) && !this.session.getNavigateWithinSoftTabs()) {\n                this.moveCursorBy(0, tabSize);\n            } else {\n                this.moveCursorBy(0, 1);\n            }\n        }\n    };\n    this.moveCursorLineStart = function() {\n        var row = this.lead.row;\n        var column = this.lead.column;\n        var screenRow = this.session.documentToScreenRow(row, column);\n        var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);\n        var beforeCursor = this.session.getDisplayLine(\n            row, null, firstColumnPosition.row,\n            firstColumnPosition.column\n        );\n\n        var leadingSpace = beforeCursor.match(/^\\s*/);\n        if (leadingSpace[0].length != column && !this.session.$useEmacsStyleLineStart)\n            firstColumnPosition.column += leadingSpace[0].length;\n        this.moveCursorToPosition(firstColumnPosition);\n    };\n    this.moveCursorLineEnd = function() {\n        var lead = this.lead;\n        var lineEnd = this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);\n        if (this.lead.column == lineEnd.column) {\n            var line = this.session.getLine(lineEnd.row);\n            if (lineEnd.column == line.length) {\n                var textEnd = line.search(/\\s+$/);\n                if (textEnd > 0)\n                    lineEnd.column = textEnd;\n            }\n        }\n\n        this.moveCursorTo(lineEnd.row, lineEnd.column);\n    };\n    this.moveCursorFileEnd = function() {\n        var row = this.doc.getLength() - 1;\n        var column = this.doc.getLine(row).length;\n        this.moveCursorTo(row, column);\n    };\n    this.moveCursorFileStart = function() {\n        this.moveCursorTo(0, 0);\n    };\n    this.moveCursorLongWordRight = function() {\n        var row = this.lead.row;\n        var column = this.lead.column;\n        var line = this.doc.getLine(row);\n        var rightOfCursor = line.substring(column);\n\n        this.session.nonTokenRe.lastIndex = 0;\n        this.session.tokenRe.lastIndex = 0;\n        var fold = this.session.getFoldAt(row, column, 1);\n        if (fold) {\n            this.moveCursorTo(fold.end.row, fold.end.column);\n            return;\n        }\n        if (this.session.nonTokenRe.exec(rightOfCursor)) {\n            column += this.session.nonTokenRe.lastIndex;\n            this.session.nonTokenRe.lastIndex = 0;\n            rightOfCursor = line.substring(column);\n        }\n        if (column >= line.length) {\n            this.moveCursorTo(row, line.length);\n            this.moveCursorRight();\n            if (row < this.doc.getLength() - 1)\n                this.moveCursorWordRight();\n            return;\n        }\n        if (this.session.tokenRe.exec(rightOfCursor)) {\n            column += this.session.tokenRe.lastIndex;\n            this.session.tokenRe.lastIndex = 0;\n        }\n\n        this.moveCursorTo(row, column);\n    };\n    this.moveCursorLongWordLeft = function() {\n        var row = this.lead.row;\n        var column = this.lead.column;\n        var fold;\n        if (fold = this.session.getFoldAt(row, column, -1)) {\n            this.moveCursorTo(fold.start.row, fold.start.column);\n            return;\n        }\n\n        var str = this.session.getFoldStringAt(row, column, -1);\n        if (str == null) {\n            str = this.doc.getLine(row).substring(0, column);\n        }\n\n        var leftOfCursor = lang.stringReverse(str);\n        this.session.nonTokenRe.lastIndex = 0;\n        this.session.tokenRe.lastIndex = 0;\n        if (this.session.nonTokenRe.exec(leftOfCursor)) {\n            column -= this.session.nonTokenRe.lastIndex;\n            leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);\n            this.session.nonTokenRe.lastIndex = 0;\n        }\n        if (column <= 0) {\n            this.moveCursorTo(row, 0);\n            this.moveCursorLeft();\n            if (row > 0)\n                this.moveCursorWordLeft();\n            return;\n        }\n        if (this.session.tokenRe.exec(leftOfCursor)) {\n            column -= this.session.tokenRe.lastIndex;\n            this.session.tokenRe.lastIndex = 0;\n        }\n\n        this.moveCursorTo(row, column);\n    };\n\n    this.$shortWordEndIndex = function(rightOfCursor) {\n        var index = 0, ch;\n        var whitespaceRe = /\\s/;\n        var tokenRe = this.session.tokenRe;\n\n        tokenRe.lastIndex = 0;\n        if (this.session.tokenRe.exec(rightOfCursor)) {\n            index = this.session.tokenRe.lastIndex;\n        } else {\n            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))\n                index ++;\n\n            if (index < 1) {\n                tokenRe.lastIndex = 0;\n                 while ((ch = rightOfCursor[index]) && !tokenRe.test(ch)) {\n                    tokenRe.lastIndex = 0;\n                    index ++;\n                    if (whitespaceRe.test(ch)) {\n                        if (index > 2) {\n                            index--;\n                            break;\n                        } else {\n                            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))\n                                index ++;\n                            if (index > 2)\n                                break;\n                        }\n                    }\n                }\n            }\n        }\n        tokenRe.lastIndex = 0;\n\n        return index;\n    };\n\n    this.moveCursorShortWordRight = function() {\n        var row = this.lead.row;\n        var column = this.lead.column;\n        var line = this.doc.getLine(row);\n        var rightOfCursor = line.substring(column);\n\n        var fold = this.session.getFoldAt(row, column, 1);\n        if (fold)\n            return this.moveCursorTo(fold.end.row, fold.end.column);\n\n        if (column == line.length) {\n            var l = this.doc.getLength();\n            do {\n                row++;\n                rightOfCursor = this.doc.getLine(row);\n            } while (row < l && /^\\s*$/.test(rightOfCursor));\n\n            if (!/^\\s+/.test(rightOfCursor))\n                rightOfCursor = \"\";\n            column = 0;\n        }\n\n        var index = this.$shortWordEndIndex(rightOfCursor);\n\n        this.moveCursorTo(row, column + index);\n    };\n\n    this.moveCursorShortWordLeft = function() {\n        var row = this.lead.row;\n        var column = this.lead.column;\n\n        var fold;\n        if (fold = this.session.getFoldAt(row, column, -1))\n            return this.moveCursorTo(fold.start.row, fold.start.column);\n\n        var line = this.session.getLine(row).substring(0, column);\n        if (column === 0) {\n            do {\n                row--;\n                line = this.doc.getLine(row);\n            } while (row > 0 && /^\\s*$/.test(line));\n\n            column = line.length;\n            if (!/\\s+$/.test(line))\n                line = \"\";\n        }\n\n        var leftOfCursor = lang.stringReverse(line);\n        var index = this.$shortWordEndIndex(leftOfCursor);\n\n        return this.moveCursorTo(row, column - index);\n    };\n\n    this.moveCursorWordRight = function() {\n        if (this.session.$selectLongWords)\n            this.moveCursorLongWordRight();\n        else\n            this.moveCursorShortWordRight();\n    };\n\n    this.moveCursorWordLeft = function() {\n        if (this.session.$selectLongWords)\n            this.moveCursorLongWordLeft();\n        else\n            this.moveCursorShortWordLeft();\n    };\n    this.moveCursorBy = function(rows, chars) {\n        var screenPos = this.session.documentToScreenPosition(\n            this.lead.row,\n            this.lead.column\n        );\n\n        var offsetX;\n\n        if (chars === 0) {\n            if (rows !== 0) {\n                if (this.session.$bidiHandler.isBidiRow(screenPos.row, this.lead.row)) {\n                    offsetX = this.session.$bidiHandler.getPosLeft(screenPos.column);\n                    screenPos.column = Math.round(offsetX / this.session.$bidiHandler.charWidths[0]);\n                } else {\n                    offsetX = screenPos.column * this.session.$bidiHandler.charWidths[0];\n                }\n            }\n\n            if (this.$desiredColumn)\n                screenPos.column = this.$desiredColumn;\n            else\n                this.$desiredColumn = screenPos.column;\n        }\n        \n        if (rows != 0 && this.session.lineWidgets && this.session.lineWidgets[this.lead.row]) {\n            var widget = this.session.lineWidgets[this.lead.row];\n            if (rows < 0)\n                rows -= widget.rowsAbove || 0;\n            else if (rows > 0)\n                rows += widget.rowCount - (widget.rowsAbove || 0);\n        }\n        \n        var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column, offsetX);\n        \n        if (rows !== 0 && chars === 0 && docPos.row === this.lead.row && docPos.column === this.lead.column) {\n            \n        }\n        this.moveCursorTo(docPos.row, docPos.column + chars, chars === 0);\n    };\n    this.moveCursorToPosition = function(position) {\n        this.moveCursorTo(position.row, position.column);\n    };\n    this.moveCursorTo = function(row, column, keepDesiredColumn) {\n        var fold = this.session.getFoldAt(row, column, 1);\n        if (fold) {\n            row = fold.start.row;\n            column = fold.start.column;\n        }\n\n        this.$keepDesiredColumnOnChange = true;\n        var line = this.session.getLine(row);\n        if (/[\\uDC00-\\uDFFF]/.test(line.charAt(column)) && line.charAt(column - 1)) {\n            if (this.lead.row == row && this.lead.column == column + 1)\n                column = column - 1;\n            else\n                column = column + 1;\n        }\n        this.lead.setPosition(row, column);\n        this.$keepDesiredColumnOnChange = false;\n\n        if (!keepDesiredColumn)\n            this.$desiredColumn = null;\n    };\n    this.moveCursorToScreen = function(row, column, keepDesiredColumn) {\n        var pos = this.session.screenToDocumentPosition(row, column);\n        this.moveCursorTo(pos.row, pos.column, keepDesiredColumn);\n    };\n    this.detach = function() {\n        this.lead.detach();\n        this.anchor.detach();\n        this.session = this.doc = null;\n    };\n\n    this.fromOrientedRange = function(range) {\n        this.setSelectionRange(range, range.cursor == range.start);\n        this.$desiredColumn = range.desiredColumn || this.$desiredColumn;\n    };\n\n    this.toOrientedRange = function(range) {\n        var r = this.getRange();\n        if (range) {\n            range.start.column = r.start.column;\n            range.start.row = r.start.row;\n            range.end.column = r.end.column;\n            range.end.row = r.end.row;\n        } else {\n            range = r;\n        }\n\n        range.cursor = this.isBackwards() ? range.start : range.end;\n        range.desiredColumn = this.$desiredColumn;\n        return range;\n    };\n    this.getRangeOfMovements = function(func) {\n        var start = this.getCursor();\n        try {\n            func(this);\n            var end = this.getCursor();\n            return Range.fromPoints(start, end);\n        } catch(e) {\n            return Range.fromPoints(start, start);\n        } finally {\n            this.moveCursorToPosition(start);\n        }\n    };\n\n    this.toJSON = function() {\n        if (this.rangeCount) {\n            var data = this.ranges.map(function(r) {\n                var r1 = r.clone();\n                r1.isBackwards = r.cursor == r.start;\n                return r1;\n            });\n        } else {\n            var data = this.getRange();\n            data.isBackwards = this.isBackwards();\n        }\n        return data;\n    };\n\n    this.fromJSON = function(data) {\n        if (data.start == undefined) {\n            if (this.rangeList && data.length > 1) {\n                this.toSingleRange(data[0]);\n                for (var i = data.length; i--; ) {\n                    var r = Range.fromPoints(data[i].start, data[i].end);\n                    if (data[i].isBackwards)\n                        r.cursor = r.start;\n                    this.addRange(r, true);\n                }\n                return;\n            } else {\n                data = data[0];\n            }\n        }\n        if (this.rangeList)\n            this.toSingleRange(data);\n        this.setSelectionRange(data, data.isBackwards);\n    };\n\n    this.isEqual = function(data) {\n        if ((data.length || this.rangeCount) && data.length != this.rangeCount)\n            return false;\n        if (!data.length || !this.ranges)\n            return this.getRange().isEqual(data);\n\n        for (var i = this.ranges.length; i--; ) {\n            if (!this.ranges[i].isEqual(data[i]))\n                return false;\n        }\n        return true;\n    };\n\n}).call(Selection.prototype);\n\nexports.Selection = Selection;\n});\n\nace.define(\"ace/tokenizer\",[\"require\",\"exports\",\"module\",\"ace/config\"], function(require, exports, module) {\n\"use strict\";\n\nvar config = require(\"./config\");\nvar MAX_TOKEN_COUNT = 2000;\nvar Tokenizer = function(rules) {\n    this.states = rules;\n\n    this.regExps = {};\n    this.matchMappings = {};\n    for (var key in this.states) {\n        var state = this.states[key];\n        var ruleRegExps = [];\n        var matchTotal = 0;\n        var mapping = this.matchMappings[key] = {defaultToken: \"text\"};\n        var flag = \"g\";\n\n        var splitterRurles = [];\n        for (var i = 0; i < state.length; i++) {\n            var rule = state[i];\n            if (rule.defaultToken)\n                mapping.defaultToken = rule.defaultToken;\n            if (rule.caseInsensitive)\n                flag = \"gi\";\n            if (rule.regex == null)\n                continue;\n\n            if (rule.regex instanceof RegExp)\n                rule.regex = rule.regex.toString().slice(1, -1);\n            var adjustedregex = rule.regex;\n            var matchcount = new RegExp(\"(?:(\" + adjustedregex + \")|(.))\").exec(\"a\").length - 2;\n            if (Array.isArray(rule.token)) {\n                if (rule.token.length == 1 || matchcount == 1) {\n                    rule.token = rule.token[0];\n                } else if (matchcount - 1 != rule.token.length) {\n                    this.reportError(\"number of classes and regexp groups doesn't match\", { \n                        rule: rule,\n                        groupCount: matchcount - 1\n                    });\n                    rule.token = rule.token[0];\n                } else {\n                    rule.tokenArray = rule.token;\n                    rule.token = null;\n                    rule.onMatch = this.$arrayTokens;\n                }\n            } else if (typeof rule.token == \"function\" && !rule.onMatch) {\n                if (matchcount > 1)\n                    rule.onMatch = this.$applyToken;\n                else\n                    rule.onMatch = rule.token;\n            }\n\n            if (matchcount > 1) {\n                if (/\\\\\\d/.test(rule.regex)) {\n                    adjustedregex = rule.regex.replace(/\\\\([0-9]+)/g, function(match, digit) {\n                        return \"\\\\\" + (parseInt(digit, 10) + matchTotal + 1);\n                    });\n                } else {\n                    matchcount = 1;\n                    adjustedregex = this.removeCapturingGroups(rule.regex);\n                }\n                if (!rule.splitRegex && typeof rule.token != \"string\")\n                    splitterRurles.push(rule); // flag will be known only at the very end\n            }\n\n            mapping[matchTotal] = i;\n            matchTotal += matchcount;\n\n            ruleRegExps.push(adjustedregex);\n            if (!rule.onMatch)\n                rule.onMatch = null;\n        }\n        \n        if (!ruleRegExps.length) {\n            mapping[0] = 0;\n            ruleRegExps.push(\"$\");\n        }\n        \n        splitterRurles.forEach(function(rule) {\n            rule.splitRegex = this.createSplitterRegexp(rule.regex, flag);\n        }, this);\n\n        this.regExps[key] = new RegExp(\"(\" + ruleRegExps.join(\")|(\") + \")|($)\", flag);\n    }\n};\n\n(function() {\n    this.$setMaxTokenCount = function(m) {\n        MAX_TOKEN_COUNT = m | 0;\n    };\n    \n    this.$applyToken = function(str) {\n        var values = this.splitRegex.exec(str).slice(1);\n        var types = this.token.apply(this, values);\n        if (typeof types === \"string\")\n            return [{type: types, value: str}];\n\n        var tokens = [];\n        for (var i = 0, l = types.length; i < l; i++) {\n            if (values[i])\n                tokens[tokens.length] = {\n                    type: types[i],\n                    value: values[i]\n                };\n        }\n        return tokens;\n    };\n\n    this.$arrayTokens = function(str) {\n        if (!str)\n            return [];\n        var values = this.splitRegex.exec(str);\n        if (!values)\n            return \"text\";\n        var tokens = [];\n        var types = this.tokenArray;\n        for (var i = 0, l = types.length; i < l; i++) {\n            if (values[i + 1])\n                tokens[tokens.length] = {\n                    type: types[i],\n                    value: values[i + 1]\n                };\n        }\n        return tokens;\n    };\n\n    this.removeCapturingGroups = function(src) {\n        var r = src.replace(\n            /\\\\.|\\[(?:\\\\.|[^\\\\\\]])*|\\(\\?[:=!]|(\\()/g,\n            function(x, y) {return y ? \"(?:\" : x;}\n        );\n        return r;\n    };\n\n    this.createSplitterRegexp = function(src, flag) {\n        if (src.indexOf(\"(?=\") != -1) {\n            var stack = 0;\n            var inChClass = false;\n            var lastCapture = {};\n            src.replace(/(\\\\.)|(\\((?:\\?[=!])?)|(\\))|([\\[\\]])/g, function(\n                m, esc, parenOpen, parenClose, square, index\n            ) {\n                if (inChClass) {\n                    inChClass = square != \"]\";\n                } else if (square) {\n                    inChClass = true;\n                } else if (parenClose) {\n                    if (stack == lastCapture.stack) {\n                        lastCapture.end = index+1;\n                        lastCapture.stack = -1;\n                    }\n                    stack--;\n                } else if (parenOpen) {\n                    stack++;\n                    if (parenOpen.length != 1) {\n                        lastCapture.stack = stack;\n                        lastCapture.start = index;\n                    }\n                }\n                return m;\n            });\n\n            if (lastCapture.end != null && /^\\)*$/.test(src.substr(lastCapture.end)))\n                src = src.substring(0, lastCapture.start) + src.substr(lastCapture.end);\n        }\n        if (src.charAt(0) != \"^\") src = \"^\" + src;\n        if (src.charAt(src.length - 1) != \"$\") src += \"$\";\n        \n        return new RegExp(src, (flag||\"\").replace(\"g\", \"\"));\n    };\n    this.getLineTokens = function(line, startState) {\n        if (startState && typeof startState != \"string\") {\n            var stack = startState.slice(0);\n            startState = stack[0];\n            if (startState === \"#tmp\") {\n                stack.shift();\n                startState = stack.shift();\n            }\n        } else\n            var stack = [];\n\n        var currentState = startState || \"start\";\n        var state = this.states[currentState];\n        if (!state) {\n            currentState = \"start\";\n            state = this.states[currentState];\n        }\n        var mapping = this.matchMappings[currentState];\n        var re = this.regExps[currentState];\n        re.lastIndex = 0;\n\n        var match, tokens = [];\n        var lastIndex = 0;\n        var matchAttempts = 0;\n\n        var token = {type: null, value: \"\"};\n\n        while (match = re.exec(line)) {\n            var type = mapping.defaultToken;\n            var rule = null;\n            var value = match[0];\n            var index = re.lastIndex;\n\n            if (index - value.length > lastIndex) {\n                var skipped = line.substring(lastIndex, index - value.length);\n                if (token.type == type) {\n                    token.value += skipped;\n                } else {\n                    if (token.type)\n                        tokens.push(token);\n                    token = {type: type, value: skipped};\n                }\n            }\n\n            for (var i = 0; i < match.length-2; i++) {\n                if (match[i + 1] === undefined)\n                    continue;\n\n                rule = state[mapping[i]];\n\n                if (rule.onMatch)\n                    type = rule.onMatch(value, currentState, stack, line);\n                else\n                    type = rule.token;\n\n                if (rule.next) {\n                    if (typeof rule.next == \"string\") {\n                        currentState = rule.next;\n                    } else {\n                        currentState = rule.next(currentState, stack);\n                    }\n                    \n                    state = this.states[currentState];\n                    if (!state) {\n                        this.reportError(\"state doesn't exist\", currentState);\n                        currentState = \"start\";\n                        state = this.states[currentState];\n                    }\n                    mapping = this.matchMappings[currentState];\n                    lastIndex = index;\n                    re = this.regExps[currentState];\n                    re.lastIndex = index;\n                }\n                if (rule.consumeLineEnd)\n                    lastIndex = index;\n                break;\n            }\n\n            if (value) {\n                if (typeof type === \"string\") {\n                    if ((!rule || rule.merge !== false) && token.type === type) {\n                        token.value += value;\n                    } else {\n                        if (token.type)\n                            tokens.push(token);\n                        token = {type: type, value: value};\n                    }\n                } else if (type) {\n                    if (token.type)\n                        tokens.push(token);\n                    token = {type: null, value: \"\"};\n                    for (var i = 0; i < type.length; i++)\n                        tokens.push(type[i]);\n                }\n            }\n\n            if (lastIndex == line.length)\n                break;\n\n            lastIndex = index;\n\n            if (matchAttempts++ > MAX_TOKEN_COUNT) {\n                if (matchAttempts > 2 * line.length) {\n                    this.reportError(\"infinite loop with in ace tokenizer\", {\n                        startState: startState,\n                        line: line\n                    });\n                }\n                while (lastIndex < line.length) {\n                    if (token.type)\n                        tokens.push(token);\n                    token = {\n                        value: line.substring(lastIndex, lastIndex += 500),\n                        type: \"overflow\"\n                    };\n                }\n                currentState = \"start\";\n                stack = [];\n                break;\n            }\n        }\n\n        if (token.type)\n            tokens.push(token);\n        \n        if (stack.length > 1) {\n            if (stack[0] !== currentState)\n                stack.unshift(\"#tmp\", currentState);\n        }\n        return {\n            tokens : tokens,\n            state : stack.length ? stack : currentState\n        };\n    };\n    \n    this.reportError = config.reportError;\n    \n}).call(Tokenizer.prototype);\n\nexports.Tokenizer = Tokenizer;\n});\n\nace.define(\"ace/mode/text_highlight_rules\",[\"require\",\"exports\",\"module\",\"ace/lib/lang\"], function(require, exports, module) {\n\"use strict\";\n\nvar lang = require(\"../lib/lang\");\n\nvar TextHighlightRules = function() {\n\n    this.$rules = {\n        \"start\" : [{\n            token : \"empty_line\",\n            regex : '^$'\n        }, {\n            defaultToken : \"text\"\n        }]\n    };\n};\n\n(function() {\n\n    this.addRules = function(rules, prefix) {\n        if (!prefix) {\n            for (var key in rules)\n                this.$rules[key] = rules[key];\n            return;\n        }\n        for (var key in rules) {\n            var state = rules[key];\n            for (var i = 0; i < state.length; i++) {\n                var rule = state[i];\n                if (rule.next || rule.onMatch) {\n                    if (typeof rule.next == \"string\") {\n                        if (rule.next.indexOf(prefix) !== 0)\n                            rule.next = prefix + rule.next;\n                    }\n                    if (rule.nextState && rule.nextState.indexOf(prefix) !== 0)\n                        rule.nextState = prefix + rule.nextState;\n                }\n            }\n            this.$rules[prefix + key] = state;\n        }\n    };\n\n    this.getRules = function() {\n        return this.$rules;\n    };\n\n    this.embedRules = function (HighlightRules, prefix, escapeRules, states, append) {\n        var embedRules = typeof HighlightRules == \"function\"\n            ? new HighlightRules().getRules()\n            : HighlightRules;\n        if (states) {\n            for (var i = 0; i < states.length; i++)\n                states[i] = prefix + states[i];\n        } else {\n            states = [];\n            for (var key in embedRules)\n                states.push(prefix + key);\n        }\n\n        this.addRules(embedRules, prefix);\n\n        if (escapeRules) {\n            var addRules = Array.prototype[append ? \"push\" : \"unshift\"];\n            for (var i = 0; i < states.length; i++)\n                addRules.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));\n        }\n\n        if (!this.$embeds)\n            this.$embeds = [];\n        this.$embeds.push(prefix);\n    };\n\n    this.getEmbeds = function() {\n        return this.$embeds;\n    };\n\n    var pushState = function(currentState, stack) {\n        if (currentState != \"start\" || stack.length)\n            stack.unshift(this.nextState, currentState);\n        return this.nextState;\n    };\n    var popState = function(currentState, stack) {\n        stack.shift();\n        return stack.shift() || \"start\";\n    };\n\n    this.normalizeRules = function() {\n        var id = 0;\n        var rules = this.$rules;\n        function processState(key) {\n            var state = rules[key];\n            state.processed = true;\n            for (var i = 0; i < state.length; i++) {\n                var rule = state[i];\n                var toInsert = null;\n                if (Array.isArray(rule)) {\n                    toInsert = rule;\n                    rule = {};\n                }\n                if (!rule.regex && rule.start) {\n                    rule.regex = rule.start;\n                    if (!rule.next)\n                        rule.next = [];\n                    rule.next.push({\n                        defaultToken: rule.token\n                    }, {\n                        token: rule.token + \".end\",\n                        regex: rule.end || rule.start,\n                        next: \"pop\"\n                    });\n                    rule.token = rule.token + \".start\";\n                    rule.push = true;\n                }\n                var next = rule.next || rule.push;\n                if (next && Array.isArray(next)) {\n                    var stateName = rule.stateName;\n                    if (!stateName)  {\n                        stateName = rule.token;\n                        if (typeof stateName != \"string\")\n                            stateName = stateName[0] || \"\";\n                        if (rules[stateName])\n                            stateName += id++;\n                    }\n                    rules[stateName] = next;\n                    rule.next = stateName;\n                    processState(stateName);\n                } else if (next == \"pop\") {\n                    rule.next = popState;\n                }\n\n                if (rule.push) {\n                    rule.nextState = rule.next || rule.push;\n                    rule.next = pushState;\n                    delete rule.push;\n                }\n\n                if (rule.rules) {\n                    for (var r in rule.rules) {\n                        if (rules[r]) {\n                            if (rules[r].push)\n                                rules[r].push.apply(rules[r], rule.rules[r]);\n                        } else {\n                            rules[r] = rule.rules[r];\n                        }\n                    }\n                }\n                var includeName = typeof rule == \"string\" ? rule : rule.include;\n                if (includeName) {\n                    if (Array.isArray(includeName))\n                        toInsert = includeName.map(function(x) { return rules[x]; });\n                    else\n                        toInsert = rules[includeName];\n                }\n\n                if (toInsert) {\n                    var args = [i, 1].concat(toInsert);\n                    if (rule.noEscape)\n                        args = args.filter(function(x) {return !x.next;});\n                    state.splice.apply(state, args);\n                    i--;\n                }\n                \n                if (rule.keywordMap) {\n                    rule.token = this.createKeywordMapper(\n                        rule.keywordMap, rule.defaultToken || \"text\", rule.caseInsensitive\n                    );\n                    delete rule.defaultToken;\n                }\n            }\n        }\n        Object.keys(rules).forEach(processState, this);\n    };\n\n    this.createKeywordMapper = function(map, defaultToken, ignoreCase, splitChar) {\n        var keywords = Object.create(null);\n        this.$keywordList = [];\n        Object.keys(map).forEach(function(className) {\n            var a = map[className];\n            var list = a.split(splitChar || \"|\");\n            for (var i = list.length; i--; ) {\n                var word = list[i];\n                this.$keywordList.push(word);\n                if (ignoreCase)\n                    word = word.toLowerCase(); \n                keywords[word] = className;\n            }\n        }, this);\n        map = null;\n        return ignoreCase\n            ? function(value) {return keywords[value.toLowerCase()] || defaultToken; }\n            : function(value) {return keywords[value] || defaultToken; };\n    };\n\n    this.getKeywords = function() {\n        return this.$keywords;\n    };\n\n}).call(TextHighlightRules.prototype);\n\nexports.TextHighlightRules = TextHighlightRules;\n});\n\nace.define(\"ace/mode/behaviour\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nvar Behaviour = function() {\n   this.$behaviours = {};\n};\n\n(function () {\n\n    this.add = function (name, action, callback) {\n        switch (undefined) {\n          case this.$behaviours:\n              this.$behaviours = {};\n          case this.$behaviours[name]:\n              this.$behaviours[name] = {};\n        }\n        this.$behaviours[name][action] = callback;\n    };\n    \n    this.addBehaviours = function (behaviours) {\n        for (var key in behaviours) {\n            for (var action in behaviours[key]) {\n                this.add(key, action, behaviours[key][action]);\n            }\n        }\n    };\n    \n    this.remove = function (name) {\n        if (this.$behaviours && this.$behaviours[name]) {\n            delete this.$behaviours[name];\n        }\n    };\n    \n    this.inherit = function (mode, filter) {\n        if (typeof mode === \"function\") {\n            var behaviours = new mode().getBehaviours(filter);\n        } else {\n            var behaviours = mode.getBehaviours(filter);\n        }\n        this.addBehaviours(behaviours);\n    };\n    \n    this.getBehaviours = function (filter) {\n        if (!filter) {\n            return this.$behaviours;\n        } else {\n            var ret = {};\n            for (var i = 0; i < filter.length; i++) {\n                if (this.$behaviours[filter[i]]) {\n                    ret[filter[i]] = this.$behaviours[filter[i]];\n                }\n            }\n            return ret;\n        }\n    };\n\n}).call(Behaviour.prototype);\n\nexports.Behaviour = Behaviour;\n});\n\nace.define(\"ace/token_iterator\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"./range\").Range;\nvar TokenIterator = function(session, initialRow, initialColumn) {\n    this.$session = session;\n    this.$row = initialRow;\n    this.$rowTokens = session.getTokens(initialRow);\n\n    var token = session.getTokenAt(initialRow, initialColumn);\n    this.$tokenIndex = token ? token.index : -1;\n};\n\n(function() { \n    this.stepBackward = function() {\n        this.$tokenIndex -= 1;\n        \n        while (this.$tokenIndex < 0) {\n            this.$row -= 1;\n            if (this.$row < 0) {\n                this.$row = 0;\n                return null;\n            }\n                \n            this.$rowTokens = this.$session.getTokens(this.$row);\n            this.$tokenIndex = this.$rowTokens.length - 1;\n        }\n            \n        return this.$rowTokens[this.$tokenIndex];\n    };   \n    this.stepForward = function() {\n        this.$tokenIndex += 1;\n        var rowCount;\n        while (this.$tokenIndex >= this.$rowTokens.length) {\n            this.$row += 1;\n            if (!rowCount)\n                rowCount = this.$session.getLength();\n            if (this.$row >= rowCount) {\n                this.$row = rowCount - 1;\n                return null;\n            }\n\n            this.$rowTokens = this.$session.getTokens(this.$row);\n            this.$tokenIndex = 0;\n        }\n            \n        return this.$rowTokens[this.$tokenIndex];\n    };      \n    this.getCurrentToken = function () {\n        return this.$rowTokens[this.$tokenIndex];\n    };      \n    this.getCurrentTokenRow = function () {\n        return this.$row;\n    };     \n    this.getCurrentTokenColumn = function() {\n        var rowTokens = this.$rowTokens;\n        var tokenIndex = this.$tokenIndex;\n        var column = rowTokens[tokenIndex].start;\n        if (column !== undefined)\n            return column;\n            \n        column = 0;\n        while (tokenIndex > 0) {\n            tokenIndex -= 1;\n            column += rowTokens[tokenIndex].value.length;\n        }\n        \n        return column;  \n    };\n    this.getCurrentTokenPosition = function() {\n        return {row: this.$row, column: this.getCurrentTokenColumn()};\n    };\n    this.getCurrentTokenRange = function() {\n        var token = this.$rowTokens[this.$tokenIndex];\n        var column = this.getCurrentTokenColumn();\n        return new Range(this.$row, column, this.$row, column + token.value.length);\n    };\n    \n}).call(TokenIterator.prototype);\n\nexports.TokenIterator = TokenIterator;\n});\n\nace.define(\"ace/mode/behaviour/cstyle\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/mode/behaviour\",\"ace/token_iterator\",\"ace/lib/lang\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"../../lib/oop\");\nvar Behaviour = require(\"../behaviour\").Behaviour;\nvar TokenIterator = require(\"../../token_iterator\").TokenIterator;\nvar lang = require(\"../../lib/lang\");\n\nvar SAFE_INSERT_IN_TOKENS =\n    [\"text\", \"paren.rparen\", \"rparen\", \"paren\", \"punctuation.operator\"];\nvar SAFE_INSERT_BEFORE_TOKENS =\n    [\"text\", \"paren.rparen\", \"rparen\", \"paren\", \"punctuation.operator\", \"comment\"];\n\nvar context;\nvar contextCache = {};\nvar defaultQuotes = {'\"' : '\"', \"'\" : \"'\"};\n\nvar initContext = function(editor) {\n    var id = -1;\n    if (editor.multiSelect) {\n        id = editor.selection.index;\n        if (contextCache.rangeCount != editor.multiSelect.rangeCount)\n            contextCache = {rangeCount: editor.multiSelect.rangeCount};\n    }\n    if (contextCache[id])\n        return context = contextCache[id];\n    context = contextCache[id] = {\n        autoInsertedBrackets: 0,\n        autoInsertedRow: -1,\n        autoInsertedLineEnd: \"\",\n        maybeInsertedBrackets: 0,\n        maybeInsertedRow: -1,\n        maybeInsertedLineStart: \"\",\n        maybeInsertedLineEnd: \"\"\n    };\n};\n\nvar getWrapped = function(selection, selected, opening, closing) {\n    var rowDiff = selection.end.row - selection.start.row;\n    return {\n        text: opening + selected + closing,\n        selection: [\n                0,\n                selection.start.column + 1,\n                rowDiff,\n                selection.end.column + (rowDiff ? 0 : 1)\n            ]\n    };\n};\n\nvar CstyleBehaviour = function(options) {\n    this.add(\"braces\", \"insertion\", function(state, action, editor, session, text) {\n        var cursor = editor.getCursorPosition();\n        var line = session.doc.getLine(cursor.row);\n        if (text == '{') {\n            initContext(editor);\n            var selection = editor.getSelectionRange();\n            var selected = session.doc.getTextRange(selection);\n            if (selected !== \"\" && selected !== \"{\" && editor.getWrapBehavioursEnabled()) {\n                return getWrapped(selection, selected, '{', '}');\n            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {\n                if (/[\\]\\}\\)]/.test(line[cursor.column]) || editor.inMultiSelectMode || options && options.braces) {\n                    CstyleBehaviour.recordAutoInsert(editor, session, \"}\");\n                    return {\n                        text: '{}',\n                        selection: [1, 1]\n                    };\n                } else {\n                    CstyleBehaviour.recordMaybeInsert(editor, session, \"{\");\n                    return {\n                        text: '{',\n                        selection: [1, 1]\n                    };\n                }\n            }\n        } else if (text == '}') {\n            initContext(editor);\n            var rightChar = line.substring(cursor.column, cursor.column + 1);\n            if (rightChar == '}') {\n                var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});\n                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {\n                    CstyleBehaviour.popAutoInsertedClosing();\n                    return {\n                        text: '',\n                        selection: [1, 1]\n                    };\n                }\n            }\n        } else if (text == \"\\n\" || text == \"\\r\\n\") {\n            initContext(editor);\n            var closing = \"\";\n            if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {\n                closing = lang.stringRepeat(\"}\", context.maybeInsertedBrackets);\n                CstyleBehaviour.clearMaybeInsertedClosing();\n            }\n            var rightChar = line.substring(cursor.column, cursor.column + 1);\n            if (rightChar === '}') {\n                var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');\n                if (!openBracePos)\n                     return null;\n                var next_indent = this.$getIndent(session.getLine(openBracePos.row));\n            } else if (closing) {\n                var next_indent = this.$getIndent(line);\n            } else {\n                CstyleBehaviour.clearMaybeInsertedClosing();\n                return;\n            }\n            var indent = next_indent + session.getTabString();\n\n            return {\n                text: '\\n' + indent + '\\n' + next_indent + closing,\n                selection: [1, indent.length, 1, indent.length]\n            };\n        } else {\n            CstyleBehaviour.clearMaybeInsertedClosing();\n        }\n    });\n\n    this.add(\"braces\", \"deletion\", function(state, action, editor, session, range) {\n        var selected = session.doc.getTextRange(range);\n        if (!range.isMultiLine() && selected == '{') {\n            initContext(editor);\n            var line = session.doc.getLine(range.start.row);\n            var rightChar = line.substring(range.end.column, range.end.column + 1);\n            if (rightChar == '}') {\n                range.end.column++;\n                return range;\n            } else {\n                context.maybeInsertedBrackets--;\n            }\n        }\n    });\n\n    this.add(\"parens\", \"insertion\", function(state, action, editor, session, text) {\n        if (text == '(') {\n            initContext(editor);\n            var selection = editor.getSelectionRange();\n            var selected = session.doc.getTextRange(selection);\n            if (selected !== \"\" && editor.getWrapBehavioursEnabled()) {\n                return getWrapped(selection, selected, '(', ')');\n            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {\n                CstyleBehaviour.recordAutoInsert(editor, session, \")\");\n                return {\n                    text: '()',\n                    selection: [1, 1]\n                };\n            }\n        } else if (text == ')') {\n            initContext(editor);\n            var cursor = editor.getCursorPosition();\n            var line = session.doc.getLine(cursor.row);\n            var rightChar = line.substring(cursor.column, cursor.column + 1);\n            if (rightChar == ')') {\n                var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});\n                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {\n                    CstyleBehaviour.popAutoInsertedClosing();\n                    return {\n                        text: '',\n                        selection: [1, 1]\n                    };\n                }\n            }\n        }\n    });\n\n    this.add(\"parens\", \"deletion\", function(state, action, editor, session, range) {\n        var selected = session.doc.getTextRange(range);\n        if (!range.isMultiLine() && selected == '(') {\n            initContext(editor);\n            var line = session.doc.getLine(range.start.row);\n            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);\n            if (rightChar == ')') {\n                range.end.column++;\n                return range;\n            }\n        }\n    });\n\n    this.add(\"brackets\", \"insertion\", function(state, action, editor, session, text) {\n        if (text == '[') {\n            initContext(editor);\n            var selection = editor.getSelectionRange();\n            var selected = session.doc.getTextRange(selection);\n            if (selected !== \"\" && editor.getWrapBehavioursEnabled()) {\n                return getWrapped(selection, selected, '[', ']');\n            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {\n                CstyleBehaviour.recordAutoInsert(editor, session, \"]\");\n                return {\n                    text: '[]',\n                    selection: [1, 1]\n                };\n            }\n        } else if (text == ']') {\n            initContext(editor);\n            var cursor = editor.getCursorPosition();\n            var line = session.doc.getLine(cursor.row);\n            var rightChar = line.substring(cursor.column, cursor.column + 1);\n            if (rightChar == ']') {\n                var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});\n                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {\n                    CstyleBehaviour.popAutoInsertedClosing();\n                    return {\n                        text: '',\n                        selection: [1, 1]\n                    };\n                }\n            }\n        }\n    });\n\n    this.add(\"brackets\", \"deletion\", function(state, action, editor, session, range) {\n        var selected = session.doc.getTextRange(range);\n        if (!range.isMultiLine() && selected == '[') {\n            initContext(editor);\n            var line = session.doc.getLine(range.start.row);\n            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);\n            if (rightChar == ']') {\n                range.end.column++;\n                return range;\n            }\n        }\n    });\n\n    this.add(\"string_dquotes\", \"insertion\", function(state, action, editor, session, text) {\n        var quotes = session.$mode.$quotes || defaultQuotes;\n        if (text.length == 1 && quotes[text]) {\n            if (this.lineCommentStart && this.lineCommentStart.indexOf(text) != -1) \n                return;\n            initContext(editor);\n            var quote = text;\n            var selection = editor.getSelectionRange();\n            var selected = session.doc.getTextRange(selection);\n            if (selected !== \"\" && (selected.length != 1 || !quotes[selected]) && editor.getWrapBehavioursEnabled()) {\n                return getWrapped(selection, selected, quote, quote);\n            } else if (!selected) {\n                var cursor = editor.getCursorPosition();\n                var line = session.doc.getLine(cursor.row);\n                var leftChar = line.substring(cursor.column-1, cursor.column);\n                var rightChar = line.substring(cursor.column, cursor.column + 1);\n                \n                var token = session.getTokenAt(cursor.row, cursor.column);\n                var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);\n                if (leftChar == \"\\\\\" && token && /escape/.test(token.type))\n                    return null;\n                \n                var stringBefore = token && /string|escape/.test(token.type);\n                var stringAfter = !rightToken || /string|escape/.test(rightToken.type);\n                \n                var pair;\n                if (rightChar == quote) {\n                    pair = stringBefore !== stringAfter;\n                    if (pair && /string\\.end/.test(rightToken.type))\n                        pair = false;\n                } else {\n                    if (stringBefore && !stringAfter)\n                        return null; // wrap string with different quote\n                    if (stringBefore && stringAfter)\n                        return null; // do not pair quotes inside strings\n                    var wordRe = session.$mode.tokenRe;\n                    wordRe.lastIndex = 0;\n                    var isWordBefore = wordRe.test(leftChar);\n                    wordRe.lastIndex = 0;\n                    var isWordAfter = wordRe.test(leftChar);\n                    if (isWordBefore || isWordAfter)\n                        return null; // before or after alphanumeric\n                    if (rightChar && !/[\\s;,.})\\]\\\\]/.test(rightChar))\n                        return null; // there is rightChar and it isn't closing\n                    var charBefore = line[cursor.column - 2];\n                    if (leftChar == quote &&  (charBefore == quote || wordRe.test(charBefore)))\n                        return null;\n                    pair = true;\n                }\n                return {\n                    text: pair ? quote + quote : \"\",\n                    selection: [1,1]\n                };\n            }\n        }\n    });\n\n    this.add(\"string_dquotes\", \"deletion\", function(state, action, editor, session, range) {\n        var quotes = session.$mode.$quotes || defaultQuotes;\n\n        var selected = session.doc.getTextRange(range);\n        if (!range.isMultiLine() && quotes.hasOwnProperty(selected)) {\n            initContext(editor);\n            var line = session.doc.getLine(range.start.row);\n            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);\n            if (rightChar == selected) {\n                range.end.column++;\n                return range;\n            }\n        }\n    });\n\n};\n\n    \nCstyleBehaviour.isSaneInsertion = function(editor, session) {\n    var cursor = editor.getCursorPosition();\n    var iterator = new TokenIterator(session, cursor.row, cursor.column);\n    if (!this.$matchTokenType(iterator.getCurrentToken() || \"text\", SAFE_INSERT_IN_TOKENS)) {\n        if (/[)}\\]]/.test(editor.session.getLine(cursor.row)[cursor.column]))\n            return true;\n        var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);\n        if (!this.$matchTokenType(iterator2.getCurrentToken() || \"text\", SAFE_INSERT_IN_TOKENS))\n            return false;\n    }\n    iterator.stepForward();\n    return iterator.getCurrentTokenRow() !== cursor.row ||\n        this.$matchTokenType(iterator.getCurrentToken() || \"text\", SAFE_INSERT_BEFORE_TOKENS);\n};\n\nCstyleBehaviour.$matchTokenType = function(token, types) {\n    return types.indexOf(token.type || token) > -1;\n};\n\nCstyleBehaviour.recordAutoInsert = function(editor, session, bracket) {\n    var cursor = editor.getCursorPosition();\n    var line = session.doc.getLine(cursor.row);\n    if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))\n        context.autoInsertedBrackets = 0;\n    context.autoInsertedRow = cursor.row;\n    context.autoInsertedLineEnd = bracket + line.substr(cursor.column);\n    context.autoInsertedBrackets++;\n};\n\nCstyleBehaviour.recordMaybeInsert = function(editor, session, bracket) {\n    var cursor = editor.getCursorPosition();\n    var line = session.doc.getLine(cursor.row);\n    if (!this.isMaybeInsertedClosing(cursor, line))\n        context.maybeInsertedBrackets = 0;\n    context.maybeInsertedRow = cursor.row;\n    context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;\n    context.maybeInsertedLineEnd = line.substr(cursor.column);\n    context.maybeInsertedBrackets++;\n};\n\nCstyleBehaviour.isAutoInsertedClosing = function(cursor, line, bracket) {\n    return context.autoInsertedBrackets > 0 &&\n        cursor.row === context.autoInsertedRow &&\n        bracket === context.autoInsertedLineEnd[0] &&\n        line.substr(cursor.column) === context.autoInsertedLineEnd;\n};\n\nCstyleBehaviour.isMaybeInsertedClosing = function(cursor, line) {\n    return context.maybeInsertedBrackets > 0 &&\n        cursor.row === context.maybeInsertedRow &&\n        line.substr(cursor.column) === context.maybeInsertedLineEnd &&\n        line.substr(0, cursor.column) == context.maybeInsertedLineStart;\n};\n\nCstyleBehaviour.popAutoInsertedClosing = function() {\n    context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);\n    context.autoInsertedBrackets--;\n};\n\nCstyleBehaviour.clearMaybeInsertedClosing = function() {\n    if (context) {\n        context.maybeInsertedBrackets = 0;\n        context.maybeInsertedRow = -1;\n    }\n};\n\n\n\noop.inherits(CstyleBehaviour, Behaviour);\n\nexports.CstyleBehaviour = CstyleBehaviour;\n});\n\nace.define(\"ace/unicode\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\nvar wordChars = [48,9,8,25,5,0,2,25,48,0,11,0,5,0,6,22,2,30,2,457,5,11,15,4,8,0,2,0,18,116,2,1,3,3,9,0,2,2,2,0,2,19,2,82,2,138,2,4,3,155,12,37,3,0,8,38,10,44,2,0,2,1,2,1,2,0,9,26,6,2,30,10,7,61,2,9,5,101,2,7,3,9,2,18,3,0,17,58,3,100,15,53,5,0,6,45,211,57,3,18,2,5,3,11,3,9,2,1,7,6,2,2,2,7,3,1,3,21,2,6,2,0,4,3,3,8,3,1,3,3,9,0,5,1,2,4,3,11,16,2,2,5,5,1,3,21,2,6,2,1,2,1,2,1,3,0,2,4,5,1,3,2,4,0,8,3,2,0,8,15,12,2,2,8,2,2,2,21,2,6,2,1,2,4,3,9,2,2,2,2,3,0,16,3,3,9,18,2,2,7,3,1,3,21,2,6,2,1,2,4,3,8,3,1,3,2,9,1,5,1,2,4,3,9,2,0,17,1,2,5,4,2,2,3,4,1,2,0,2,1,4,1,4,2,4,11,5,4,4,2,2,3,3,0,7,0,15,9,18,2,2,7,2,2,2,22,2,9,2,4,4,7,2,2,2,3,8,1,2,1,7,3,3,9,19,1,2,7,2,2,2,22,2,9,2,4,3,8,2,2,2,3,8,1,8,0,2,3,3,9,19,1,2,7,2,2,2,22,2,15,4,7,2,2,2,3,10,0,9,3,3,9,11,5,3,1,2,17,4,23,2,8,2,0,3,6,4,0,5,5,2,0,2,7,19,1,14,57,6,14,2,9,40,1,2,0,3,1,2,0,3,0,7,3,2,6,2,2,2,0,2,0,3,1,2,12,2,2,3,4,2,0,2,5,3,9,3,1,35,0,24,1,7,9,12,0,2,0,2,0,5,9,2,35,5,19,2,5,5,7,2,35,10,0,58,73,7,77,3,37,11,42,2,0,4,328,2,3,3,6,2,0,2,3,3,40,2,3,3,32,2,3,3,6,2,0,2,3,3,14,2,56,2,3,3,66,5,0,33,15,17,84,13,619,3,16,2,25,6,74,22,12,2,6,12,20,12,19,13,12,2,2,2,1,13,51,3,29,4,0,5,1,3,9,34,2,3,9,7,87,9,42,6,69,11,28,4,11,5,11,11,39,3,4,12,43,5,25,7,10,38,27,5,62,2,28,3,10,7,9,14,0,89,75,5,9,18,8,13,42,4,11,71,55,9,9,4,48,83,2,2,30,14,230,23,280,3,5,3,37,3,5,3,7,2,0,2,0,2,0,2,30,3,52,2,6,2,0,4,2,2,6,4,3,3,5,5,12,6,2,2,6,67,1,20,0,29,0,14,0,17,4,60,12,5,0,4,11,18,0,5,0,3,9,2,0,4,4,7,0,2,0,2,0,2,3,2,10,3,3,6,4,5,0,53,1,2684,46,2,46,2,132,7,6,15,37,11,53,10,0,17,22,10,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,31,48,0,470,1,36,5,2,4,6,1,5,85,3,1,3,2,2,89,2,3,6,40,4,93,18,23,57,15,513,6581,75,20939,53,1164,68,45,3,268,4,27,21,31,3,13,13,1,2,24,9,69,11,1,38,8,3,102,3,1,111,44,25,51,13,68,12,9,7,23,4,0,5,45,3,35,13,28,4,64,15,10,39,54,10,13,3,9,7,22,4,1,5,66,25,2,227,42,2,1,3,9,7,11171,13,22,5,48,8453,301,3,61,3,105,39,6,13,4,6,11,2,12,2,4,2,0,2,1,2,1,2,107,34,362,19,63,3,53,41,11,5,15,17,6,13,1,25,2,33,4,2,134,20,9,8,25,5,0,2,25,12,88,4,5,3,5,3,5,3,2];\n\nvar code = 0;\nvar str = [];\nfor (var i = 0; i < wordChars.length; i += 2) {\n    str.push(code += wordChars[i]);\n    if (wordChars[i + 1])\n        str.push(45, code += wordChars[i + 1]);\n}\n\nexports.wordChars = String.fromCharCode.apply(null, str);\n\n});\n\nace.define(\"ace/mode/text\",[\"require\",\"exports\",\"module\",\"ace/config\",\"ace/tokenizer\",\"ace/mode/text_highlight_rules\",\"ace/mode/behaviour/cstyle\",\"ace/unicode\",\"ace/lib/lang\",\"ace/token_iterator\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\nvar config = require(\"../config\");\n\nvar Tokenizer = require(\"../tokenizer\").Tokenizer;\nvar TextHighlightRules = require(\"./text_highlight_rules\").TextHighlightRules;\nvar CstyleBehaviour = require(\"./behaviour/cstyle\").CstyleBehaviour;\nvar unicode = require(\"../unicode\");\nvar lang = require(\"../lib/lang\");\nvar TokenIterator = require(\"../token_iterator\").TokenIterator;\nvar Range = require(\"../range\").Range;\n\nvar Mode = function() {\n    this.HighlightRules = TextHighlightRules;\n};\n\n(function() {\n    this.$defaultBehaviour = new CstyleBehaviour();\n\n    this.tokenRe = new RegExp(\"^[\" + unicode.wordChars + \"\\\\$_]+\", \"g\");\n\n    this.nonTokenRe = new RegExp(\"^(?:[^\" + unicode.wordChars + \"\\\\$_]|\\\\s])+\", \"g\");\n\n    this.getTokenizer = function() {\n        if (!this.$tokenizer) {\n            this.$highlightRules = this.$highlightRules || new this.HighlightRules(this.$highlightRuleConfig);\n            this.$tokenizer = new Tokenizer(this.$highlightRules.getRules());\n        }\n        return this.$tokenizer;\n    };\n\n    this.lineCommentStart = \"\";\n    this.blockComment = \"\";\n\n    this.toggleCommentLines = function(state, session, startRow, endRow) {\n        var doc = session.doc;\n\n        var ignoreBlankLines = true;\n        var shouldRemove = true;\n        var minIndent = Infinity;\n        var tabSize = session.getTabSize();\n        var insertAtTabStop = false;\n\n        if (!this.lineCommentStart) {\n            if (!this.blockComment)\n                return false;\n            var lineCommentStart = this.blockComment.start;\n            var lineCommentEnd = this.blockComment.end;\n            var regexpStart = new RegExp(\"^(\\\\s*)(?:\" + lang.escapeRegExp(lineCommentStart) + \")\");\n            var regexpEnd = new RegExp(\"(?:\" + lang.escapeRegExp(lineCommentEnd) + \")\\\\s*$\");\n\n            var comment = function(line, i) {\n                if (testRemove(line, i))\n                    return;\n                if (!ignoreBlankLines || /\\S/.test(line)) {\n                    doc.insertInLine({row: i, column: line.length}, lineCommentEnd);\n                    doc.insertInLine({row: i, column: minIndent}, lineCommentStart);\n                }\n            };\n\n            var uncomment = function(line, i) {\n                var m;\n                if (m = line.match(regexpEnd))\n                    doc.removeInLine(i, line.length - m[0].length, line.length);\n                if (m = line.match(regexpStart))\n                    doc.removeInLine(i, m[1].length, m[0].length);\n            };\n\n            var testRemove = function(line, row) {\n                if (regexpStart.test(line))\n                    return true;\n                var tokens = session.getTokens(row);\n                for (var i = 0; i < tokens.length; i++) {\n                    if (tokens[i].type === \"comment\")\n                        return true;\n                }\n            };\n        } else {\n            if (Array.isArray(this.lineCommentStart)) {\n                var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join(\"|\");\n                var lineCommentStart = this.lineCommentStart[0];\n            } else {\n                var regexpStart = lang.escapeRegExp(this.lineCommentStart);\n                var lineCommentStart = this.lineCommentStart;\n            }\n            regexpStart = new RegExp(\"^(\\\\s*)(?:\" + regexpStart + \") ?\");\n            \n            insertAtTabStop = session.getUseSoftTabs();\n\n            var uncomment = function(line, i) {\n                var m = line.match(regexpStart);\n                if (!m) return;\n                var start = m[1].length, end = m[0].length;\n                if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == \" \")\n                    end--;\n                doc.removeInLine(i, start, end);\n            };\n            var commentWithSpace = lineCommentStart + \" \";\n            var comment = function(line, i) {\n                if (!ignoreBlankLines || /\\S/.test(line)) {\n                    if (shouldInsertSpace(line, minIndent, minIndent))\n                        doc.insertInLine({row: i, column: minIndent}, commentWithSpace);\n                    else\n                        doc.insertInLine({row: i, column: minIndent}, lineCommentStart);\n                }\n            };\n            var testRemove = function(line, i) {\n                return regexpStart.test(line);\n            };\n            \n            var shouldInsertSpace = function(line, before, after) {\n                var spaces = 0;\n                while (before-- && line.charAt(before) == \" \")\n                    spaces++;\n                if (spaces % tabSize != 0)\n                    return false;\n                var spaces = 0;\n                while (line.charAt(after++) == \" \")\n                    spaces++;\n                if (tabSize > 2)\n                    return spaces % tabSize != tabSize - 1;\n                else\n                    return spaces % tabSize == 0;\n            };\n        }\n\n        function iter(fun) {\n            for (var i = startRow; i <= endRow; i++)\n                fun(doc.getLine(i), i);\n        }\n\n\n        var minEmptyLength = Infinity;\n        iter(function(line, i) {\n            var indent = line.search(/\\S/);\n            if (indent !== -1) {\n                if (indent < minIndent)\n                    minIndent = indent;\n                if (shouldRemove && !testRemove(line, i))\n                    shouldRemove = false;\n            } else if (minEmptyLength > line.length) {\n                minEmptyLength = line.length;\n            }\n        });\n\n        if (minIndent == Infinity) {\n            minIndent = minEmptyLength;\n            ignoreBlankLines = false;\n            shouldRemove = false;\n        }\n\n        if (insertAtTabStop && minIndent % tabSize != 0)\n            minIndent = Math.floor(minIndent / tabSize) * tabSize;\n\n        iter(shouldRemove ? uncomment : comment);\n    };\n\n    this.toggleBlockComment = function(state, session, range, cursor) {\n        var comment = this.blockComment;\n        if (!comment)\n            return;\n        if (!comment.start && comment[0])\n            comment = comment[0];\n\n        var iterator = new TokenIterator(session, cursor.row, cursor.column);\n        var token = iterator.getCurrentToken();\n\n        var sel = session.selection;\n        var initialRange = session.selection.toOrientedRange();\n        var startRow, colDiff;\n\n        if (token && /comment/.test(token.type)) {\n            var startRange, endRange;\n            while (token && /comment/.test(token.type)) {\n                var i = token.value.indexOf(comment.start);\n                if (i != -1) {\n                    var row = iterator.getCurrentTokenRow();\n                    var column = iterator.getCurrentTokenColumn() + i;\n                    startRange = new Range(row, column, row, column + comment.start.length);\n                    break;\n                }\n                token = iterator.stepBackward();\n            }\n\n            var iterator = new TokenIterator(session, cursor.row, cursor.column);\n            var token = iterator.getCurrentToken();\n            while (token && /comment/.test(token.type)) {\n                var i = token.value.indexOf(comment.end);\n                if (i != -1) {\n                    var row = iterator.getCurrentTokenRow();\n                    var column = iterator.getCurrentTokenColumn() + i;\n                    endRange = new Range(row, column, row, column + comment.end.length);\n                    break;\n                }\n                token = iterator.stepForward();\n            }\n            if (endRange)\n                session.remove(endRange);\n            if (startRange) {\n                session.remove(startRange);\n                startRow = startRange.start.row;\n                colDiff = -comment.start.length;\n            }\n        } else {\n            colDiff = comment.start.length;\n            startRow = range.start.row;\n            session.insert(range.end, comment.end);\n            session.insert(range.start, comment.start);\n        }\n        if (initialRange.start.row == startRow)\n            initialRange.start.column += colDiff;\n        if (initialRange.end.row == startRow)\n            initialRange.end.column += colDiff;\n        session.selection.fromOrientedRange(initialRange);\n    };\n\n    this.getNextLineIndent = function(state, line, tab) {\n        return this.$getIndent(line);\n    };\n\n    this.checkOutdent = function(state, line, input) {\n        return false;\n    };\n\n    this.autoOutdent = function(state, doc, row) {\n    };\n\n    this.$getIndent = function(line) {\n        return line.match(/^\\s*/)[0];\n    };\n\n    this.createWorker = function(session) {\n        return null;\n    };\n\n    this.createModeDelegates = function (mapping) {\n        this.$embeds = [];\n        this.$modes = {};\n        for (var i in mapping) {\n            if (mapping[i]) {\n                var Mode = mapping[i];\n                var id = Mode.prototype.$id;\n                var mode = config.$modes[id];\n                if (!mode)\n                    config.$modes[id] = mode = new Mode();\n                if (!config.$modes[i])\n                    config.$modes[i] = mode;\n                this.$embeds.push(i);\n                this.$modes[i] = mode;\n            }\n        }\n\n        var delegations = [\"toggleBlockComment\", \"toggleCommentLines\", \"getNextLineIndent\", \n            \"checkOutdent\", \"autoOutdent\", \"transformAction\", \"getCompletions\"];\n\n        for (var i = 0; i < delegations.length; i++) {\n            (function(scope) {\n              var functionName = delegations[i];\n              var defaultHandler = scope[functionName];\n              scope[delegations[i]] = function() {\n                  return this.$delegator(functionName, arguments, defaultHandler);\n              };\n            }(this));\n        }\n    };\n\n    this.$delegator = function(method, args, defaultHandler) {\n        var state = args[0] || \"start\";\n        if (typeof state != \"string\") {\n            if (Array.isArray(state[2])) {\n                var language = state[2][state[2].length - 1];\n                var mode = this.$modes[language];\n                if (mode)\n                    return mode[method].apply(mode, [state[1]].concat([].slice.call(args, 1)));\n            }\n            state = state[0] || \"start\";\n        }\n            \n        for (var i = 0; i < this.$embeds.length; i++) {\n            if (!this.$modes[this.$embeds[i]]) continue;\n\n            var split = state.split(this.$embeds[i]);\n            if (!split[0] && split[1]) {\n                args[0] = split[1];\n                var mode = this.$modes[this.$embeds[i]];\n                return mode[method].apply(mode, args);\n            }\n        }\n        var ret = defaultHandler.apply(this, args);\n        return defaultHandler ? ret : undefined;\n    };\n\n    this.transformAction = function(state, action, editor, session, param) {\n        if (this.$behaviour) {\n            var behaviours = this.$behaviour.getBehaviours();\n            for (var key in behaviours) {\n                if (behaviours[key][action]) {\n                    var ret = behaviours[key][action].apply(this, arguments);\n                    if (ret) {\n                        return ret;\n                    }\n                }\n            }\n        }\n    };\n    \n    this.getKeywords = function(append) {\n        if (!this.completionKeywords) {\n            var rules = this.$tokenizer.rules;\n            var completionKeywords = [];\n            for (var rule in rules) {\n                var ruleItr = rules[rule];\n                for (var r = 0, l = ruleItr.length; r < l; r++) {\n                    if (typeof ruleItr[r].token === \"string\") {\n                        if (/keyword|support|storage/.test(ruleItr[r].token))\n                            completionKeywords.push(ruleItr[r].regex);\n                    }\n                    else if (typeof ruleItr[r].token === \"object\") {\n                        for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) {    \n                            if (/keyword|support|storage/.test(ruleItr[r].token[a])) {\n                                var rule = ruleItr[r].regex.match(/\\(.+?\\)/g)[a];\n                                completionKeywords.push(rule.substr(1, rule.length - 2));\n                            }\n                        }\n                    }\n                }\n            }\n            this.completionKeywords = completionKeywords;\n        }\n        if (!append)\n            return this.$keywordList;\n        return completionKeywords.concat(this.$keywordList || []);\n    };\n    \n    this.$createKeywordList = function() {\n        if (!this.$highlightRules)\n            this.getTokenizer();\n        return this.$keywordList = this.$highlightRules.$keywordList || [];\n    };\n\n    this.getCompletions = function(state, session, pos, prefix) {\n        var keywords = this.$keywordList || this.$createKeywordList();\n        return keywords.map(function(word) {\n            return {\n                name: word,\n                value: word,\n                score: 0,\n                meta: \"keyword\"\n            };\n        });\n    };\n\n    this.$id = \"ace/mode/text\";\n}).call(Mode.prototype);\n\nexports.Mode = Mode;\n});\n\nace.define(\"ace/apply_delta\",[\"require\",\"exports\",\"module\"], function(require, exports, module) {\n\"use strict\";\n\nfunction throwDeltaError(delta, errorText){\n    console.log(\"Invalid Delta:\", delta);\n    throw \"Invalid Delta: \" + errorText;\n}\n\nfunction positionInDocument(docLines, position) {\n    return position.row    >= 0 && position.row    <  docLines.length &&\n           position.column >= 0 && position.column <= docLines[position.row].length;\n}\n\nfunction validateDelta(docLines, delta) {\n    if (delta.action != \"insert\" && delta.action != \"remove\")\n        throwDeltaError(delta, \"delta.action must be 'insert' or 'remove'\");\n    if (!(delta.lines instanceof Array))\n        throwDeltaError(delta, \"delta.lines must be an Array\");\n    if (!delta.start || !delta.end)\n       throwDeltaError(delta, \"delta.start/end must be an present\");\n    var start = delta.start;\n    if (!positionInDocument(docLines, delta.start))\n        throwDeltaError(delta, \"delta.start must be contained in document\");\n    var end = delta.end;\n    if (delta.action == \"remove\" && !positionInDocument(docLines, end))\n        throwDeltaError(delta, \"delta.end must contained in document for 'remove' actions\");\n    var numRangeRows = end.row - start.row;\n    var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));\n    if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)\n        throwDeltaError(delta, \"delta.range must match delta lines\");\n}\n\nexports.applyDelta = function(docLines, delta, doNotValidate) {\n    \n    var row = delta.start.row;\n    var startColumn = delta.start.column;\n    var line = docLines[row] || \"\";\n    switch (delta.action) {\n        case \"insert\":\n            var lines = delta.lines;\n            if (lines.length === 1) {\n                docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);\n            } else {\n                var args = [row, 1].concat(delta.lines);\n                docLines.splice.apply(docLines, args);\n                docLines[row] = line.substring(0, startColumn) + docLines[row];\n                docLines[row + delta.lines.length - 1] += line.substring(startColumn);\n            }\n            break;\n        case \"remove\":\n            var endColumn = delta.end.column;\n            var endRow = delta.end.row;\n            if (row === endRow) {\n                docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);\n            } else {\n                docLines.splice(\n                    row, endRow - row + 1,\n                    line.substring(0, startColumn) + docLines[endRow].substring(endColumn)\n                );\n            }\n            break;\n    }\n};\n});\n\nace.define(\"ace/anchor\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\n\nvar Anchor = exports.Anchor = function(doc, row, column) {\n    this.$onChange = this.onChange.bind(this);\n    this.attach(doc);\n    \n    if (typeof column == \"undefined\")\n        this.setPosition(row.row, row.column);\n    else\n        this.setPosition(row, column);\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n    this.getPosition = function() {\n        return this.$clipPositionToDocument(this.row, this.column);\n    };\n    this.getDocument = function() {\n        return this.document;\n    };\n    this.$insertRight = false;\n    this.onChange = function(delta) {\n        if (delta.start.row == delta.end.row && delta.start.row != this.row)\n            return;\n\n        if (delta.start.row > this.row)\n            return;\n            \n        var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);\n        this.setPosition(point.row, point.column, true);\n    };\n    \n    function $pointsInOrder(point1, point2, equalPointsInOrder) {\n        var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;\n        return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);\n    }\n            \n    function $getTransformedPoint(delta, point, moveIfEqual) {\n        var deltaIsInsert = delta.action == \"insert\";\n        var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row    - delta.start.row);\n        var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);\n        var deltaStart = delta.start;\n        var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.\n        if ($pointsInOrder(point, deltaStart, moveIfEqual)) {\n            return {\n                row: point.row,\n                column: point.column\n            };\n        }\n        if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {\n            return {\n                row: point.row + deltaRowShift,\n                column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)\n            };\n        }\n        \n        return {\n            row: deltaStart.row,\n            column: deltaStart.column\n        };\n    }\n    this.setPosition = function(row, column, noClip) {\n        var pos;\n        if (noClip) {\n            pos = {\n                row: row,\n                column: column\n            };\n        } else {\n            pos = this.$clipPositionToDocument(row, column);\n        }\n\n        if (this.row == pos.row && this.column == pos.column)\n            return;\n\n        var old = {\n            row: this.row,\n            column: this.column\n        };\n\n        this.row = pos.row;\n        this.column = pos.column;\n        this._signal(\"change\", {\n            old: old,\n            value: pos\n        });\n    };\n    this.detach = function() {\n        this.document.off(\"change\", this.$onChange);\n    };\n    this.attach = function(doc) {\n        this.document = doc || this.document;\n        this.document.on(\"change\", this.$onChange);\n    };\n    this.$clipPositionToDocument = function(row, column) {\n        var pos = {};\n\n        if (row >= this.document.getLength()) {\n            pos.row = Math.max(0, this.document.getLength() - 1);\n            pos.column = this.document.getLine(pos.row).length;\n        }\n        else if (row < 0) {\n            pos.row = 0;\n            pos.column = 0;\n        }\n        else {\n            pos.row = row;\n            pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));\n        }\n\n        if (column < 0)\n            pos.column = 0;\n\n        return pos;\n    };\n\n}).call(Anchor.prototype);\n\n});\n\nace.define(\"ace/document\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/apply_delta\",\"ace/lib/event_emitter\",\"ace/range\",\"ace/anchor\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar applyDelta = require(\"./apply_delta\").applyDelta;\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar Range = require(\"./range\").Range;\nvar Anchor = require(\"./anchor\").Anchor;\n\nvar Document = function(textOrLines) {\n    this.$lines = [\"\"];\n    if (textOrLines.length === 0) {\n        this.$lines = [\"\"];\n    } else if (Array.isArray(textOrLines)) {\n        this.insertMergedLines({row: 0, column: 0}, textOrLines);\n    } else {\n        this.insert({row: 0, column:0}, textOrLines);\n    }\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n    this.setValue = function(text) {\n        var len = this.getLength() - 1;\n        this.remove(new Range(0, 0, len, this.getLine(len).length));\n        this.insert({row: 0, column: 0}, text);\n    };\n    this.getValue = function() {\n        return this.getAllLines().join(this.getNewLineCharacter());\n    };\n    this.createAnchor = function(row, column) {\n        return new Anchor(this, row, column);\n    };\n    if (\"aaa\".split(/a/).length === 0) {\n        this.$split = function(text) {\n            return text.replace(/\\r\\n|\\r/g, \"\\n\").split(\"\\n\");\n        };\n    } else {\n        this.$split = function(text) {\n            return text.split(/\\r\\n|\\r|\\n/);\n        };\n    }\n\n\n    this.$detectNewLine = function(text) {\n        var match = text.match(/^.*?(\\r\\n|\\r|\\n)/m);\n        this.$autoNewLine = match ? match[1] : \"\\n\";\n        this._signal(\"changeNewLineMode\");\n    };\n    this.getNewLineCharacter = function() {\n        switch (this.$newLineMode) {\n          case \"windows\":\n            return \"\\r\\n\";\n          case \"unix\":\n            return \"\\n\";\n          default:\n            return this.$autoNewLine || \"\\n\";\n        }\n    };\n\n    this.$autoNewLine = \"\";\n    this.$newLineMode = \"auto\";\n    this.setNewLineMode = function(newLineMode) {\n        if (this.$newLineMode === newLineMode)\n            return;\n\n        this.$newLineMode = newLineMode;\n        this._signal(\"changeNewLineMode\");\n    };\n    this.getNewLineMode = function() {\n        return this.$newLineMode;\n    };\n    this.isNewLine = function(text) {\n        return (text == \"\\r\\n\" || text == \"\\r\" || text == \"\\n\");\n    };\n    this.getLine = function(row) {\n        return this.$lines[row] || \"\";\n    };\n    this.getLines = function(firstRow, lastRow) {\n        return this.$lines.slice(firstRow, lastRow + 1);\n    };\n    this.getAllLines = function() {\n        return this.getLines(0, this.getLength());\n    };\n    this.getLength = function() {\n        return this.$lines.length;\n    };\n    this.getTextRange = function(range) {\n        return this.getLinesForRange(range).join(this.getNewLineCharacter());\n    };\n    this.getLinesForRange = function(range) {\n        var lines;\n        if (range.start.row === range.end.row) {\n            lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];\n        } else {\n            lines = this.getLines(range.start.row, range.end.row);\n            lines[0] = (lines[0] || \"\").substring(range.start.column);\n            var l = lines.length - 1;\n            if (range.end.row - range.start.row == l)\n                lines[l] = lines[l].substring(0, range.end.column);\n        }\n        return lines;\n    };\n    this.insertLines = function(row, lines) {\n        console.warn(\"Use of document.insertLines is deprecated. Use the insertFullLines method instead.\");\n        return this.insertFullLines(row, lines);\n    };\n    this.removeLines = function(firstRow, lastRow) {\n        console.warn(\"Use of document.removeLines is deprecated. Use the removeFullLines method instead.\");\n        return this.removeFullLines(firstRow, lastRow);\n    };\n    this.insertNewLine = function(position) {\n        console.warn(\"Use of document.insertNewLine is deprecated. Use insertMergedLines(position, ['', '']) instead.\");\n        return this.insertMergedLines(position, [\"\", \"\"]);\n    };\n    this.insert = function(position, text) {\n        if (this.getLength() <= 1)\n            this.$detectNewLine(text);\n        \n        return this.insertMergedLines(position, this.$split(text));\n    };\n    this.insertInLine = function(position, text) {\n        var start = this.clippedPos(position.row, position.column);\n        var end = this.pos(position.row, position.column + text.length);\n        \n        this.applyDelta({\n            start: start,\n            end: end,\n            action: \"insert\",\n            lines: [text]\n        }, true);\n        \n        return this.clonePos(end);\n    };\n    \n    this.clippedPos = function(row, column) {\n        var length = this.getLength();\n        if (row === undefined) {\n            row = length;\n        } else if (row < 0) {\n            row = 0;\n        } else if (row >= length) {\n            row = length - 1;\n            column = undefined;\n        }\n        var line = this.getLine(row);\n        if (column == undefined)\n            column = line.length;\n        column = Math.min(Math.max(column, 0), line.length);\n        return {row: row, column: column};\n    };\n    \n    this.clonePos = function(pos) {\n        return {row: pos.row, column: pos.column};\n    };\n    \n    this.pos = function(row, column) {\n        return {row: row, column: column};\n    };\n    \n    this.$clipPosition = function(position) {\n        var length = this.getLength();\n        if (position.row >= length) {\n            position.row = Math.max(0, length - 1);\n            position.column = this.getLine(length - 1).length;\n        } else {\n            position.row = Math.max(0, position.row);\n            position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);\n        }\n        return position;\n    };\n    this.insertFullLines = function(row, lines) {\n        row = Math.min(Math.max(row, 0), this.getLength());\n        var column = 0;\n        if (row < this.getLength()) {\n            lines = lines.concat([\"\"]);\n            column = 0;\n        } else {\n            lines = [\"\"].concat(lines);\n            row--;\n            column = this.$lines[row].length;\n        }\n        this.insertMergedLines({row: row, column: column}, lines);\n    };    \n    this.insertMergedLines = function(position, lines) {\n        var start = this.clippedPos(position.row, position.column);\n        var end = {\n            row: start.row + lines.length - 1,\n            column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length\n        };\n        \n        this.applyDelta({\n            start: start,\n            end: end,\n            action: \"insert\",\n            lines: lines\n        });\n        \n        return this.clonePos(end);\n    };\n    this.remove = function(range) {\n        var start = this.clippedPos(range.start.row, range.start.column);\n        var end = this.clippedPos(range.end.row, range.end.column);\n        this.applyDelta({\n            start: start,\n            end: end,\n            action: \"remove\",\n            lines: this.getLinesForRange({start: start, end: end})\n        });\n        return this.clonePos(start);\n    };\n    this.removeInLine = function(row, startColumn, endColumn) {\n        var start = this.clippedPos(row, startColumn);\n        var end = this.clippedPos(row, endColumn);\n        \n        this.applyDelta({\n            start: start,\n            end: end,\n            action: \"remove\",\n            lines: this.getLinesForRange({start: start, end: end})\n        }, true);\n        \n        return this.clonePos(start);\n    };\n    this.removeFullLines = function(firstRow, lastRow) {\n        firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);\n        lastRow  = Math.min(Math.max(0, lastRow ), this.getLength() - 1);\n        var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;\n        var deleteLastNewLine  = lastRow  < this.getLength() - 1;\n        var startRow = ( deleteFirstNewLine ? firstRow - 1                  : firstRow                    );\n        var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0                           );\n        var endRow   = ( deleteLastNewLine  ? lastRow + 1                   : lastRow                     );\n        var endCol   = ( deleteLastNewLine  ? 0                             : this.getLine(endRow).length ); \n        var range = new Range(startRow, startCol, endRow, endCol);\n        var deletedLines = this.$lines.slice(firstRow, lastRow + 1);\n        \n        this.applyDelta({\n            start: range.start,\n            end: range.end,\n            action: \"remove\",\n            lines: this.getLinesForRange(range)\n        });\n        return deletedLines;\n    };\n    this.removeNewLine = function(row) {\n        if (row < this.getLength() - 1 && row >= 0) {\n            this.applyDelta({\n                start: this.pos(row, this.getLine(row).length),\n                end: this.pos(row + 1, 0),\n                action: \"remove\",\n                lines: [\"\", \"\"]\n            });\n        }\n    };\n    this.replace = function(range, text) {\n        if (!(range instanceof Range))\n            range = Range.fromPoints(range.start, range.end);\n        if (text.length === 0 && range.isEmpty())\n            return range.start;\n        if (text == this.getTextRange(range))\n            return range.end;\n\n        this.remove(range);\n        var end;\n        if (text) {\n            end = this.insert(range.start, text);\n        }\n        else {\n            end = range.start;\n        }\n        \n        return end;\n    };\n    this.applyDeltas = function(deltas) {\n        for (var i=0; i<deltas.length; i++) {\n            this.applyDelta(deltas[i]);\n        }\n    };\n    this.revertDeltas = function(deltas) {\n        for (var i=deltas.length-1; i>=0; i--) {\n            this.revertDelta(deltas[i]);\n        }\n    };\n    this.applyDelta = function(delta, doNotValidate) {\n        var isInsert = delta.action == \"insert\";\n        if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]\n            : !Range.comparePoints(delta.start, delta.end)) {\n            return;\n        }\n        \n        if (isInsert && delta.lines.length > 20000) {\n            this.$splitAndapplyLargeDelta(delta, 20000);\n        }\n        else {\n            applyDelta(this.$lines, delta, doNotValidate);\n            this._signal(\"change\", delta);\n        }\n    };\n    \n    this.$safeApplyDelta = function(delta) {\n        var docLength = this.$lines.length;\n        if (\n            delta.action == \"remove\" && delta.start.row < docLength && delta.end.row < docLength\n            || delta.action == \"insert\" && delta.start.row <= docLength\n        ) {\n            this.applyDelta(delta);\n        }\n    };\n    \n    this.$splitAndapplyLargeDelta = function(delta, MAX) {\n        var lines = delta.lines;\n        var l = lines.length - MAX + 1;\n        var row = delta.start.row; \n        var column = delta.start.column;\n        for (var from = 0, to = 0; from < l; from = to) {\n            to += MAX - 1;\n            var chunk = lines.slice(from, to);\n            chunk.push(\"\");\n            this.applyDelta({\n                start: this.pos(row + from, column),\n                end: this.pos(row + to, column = 0),\n                action: delta.action,\n                lines: chunk\n            }, true);\n        }\n        delta.lines = lines.slice(from);\n        delta.start.row = row + from;\n        delta.start.column = column;\n        this.applyDelta(delta, true);\n    };\n    this.revertDelta = function(delta) {\n        this.$safeApplyDelta({\n            start: this.clonePos(delta.start),\n            end: this.clonePos(delta.end),\n            action: (delta.action == \"insert\" ? \"remove\" : \"insert\"),\n            lines: delta.lines.slice()\n        });\n    };\n    this.indexToPosition = function(index, startRow) {\n        var lines = this.$lines || this.getAllLines();\n        var newlineLength = this.getNewLineCharacter().length;\n        for (var i = startRow || 0, l = lines.length; i < l; i++) {\n            index -= lines[i].length + newlineLength;\n            if (index < 0)\n                return {row: i, column: index + lines[i].length + newlineLength};\n        }\n        return {row: l-1, column: index + lines[l-1].length + newlineLength};\n    };\n    this.positionToIndex = function(pos, startRow) {\n        var lines = this.$lines || this.getAllLines();\n        var newlineLength = this.getNewLineCharacter().length;\n        var index = 0;\n        var row = Math.min(pos.row, lines.length);\n        for (var i = startRow || 0; i < row; ++i)\n            index += lines[i].length + newlineLength;\n\n        return index + pos.column;\n    };\n\n}).call(Document.prototype);\n\nexports.Document = Document;\n});\n\nace.define(\"ace/background_tokenizer\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\n\nvar BackgroundTokenizer = function(tokenizer, editor) {\n    this.running = false;\n    this.lines = [];\n    this.states = [];\n    this.currentLine = 0;\n    this.tokenizer = tokenizer;\n\n    var self = this;\n\n    this.$worker = function() {\n        if (!self.running) { return; }\n\n        var workerStart = new Date();\n        var currentLine = self.currentLine;\n        var endLine = -1;\n        var doc = self.doc;\n\n        var startLine = currentLine;\n        while (self.lines[currentLine])\n            currentLine++;\n        \n        var len = doc.getLength();\n        var processedLines = 0;\n        self.running = false;\n        while (currentLine < len) {\n            self.$tokenizeRow(currentLine);\n            endLine = currentLine;\n            do {\n                currentLine++;\n            } while (self.lines[currentLine]);\n            processedLines ++;\n            if ((processedLines % 5 === 0) && (new Date() - workerStart) > 20) {\n                self.running = setTimeout(self.$worker, 20);\n                break;\n            }\n        }\n        self.currentLine = currentLine;\n        \n        if (endLine == -1)\n            endLine = currentLine;\n        \n        if (startLine <= endLine)\n            self.fireUpdateEvent(startLine, endLine);\n    };\n};\n\n(function(){\n\n    oop.implement(this, EventEmitter);\n    this.setTokenizer = function(tokenizer) {\n        this.tokenizer = tokenizer;\n        this.lines = [];\n        this.states = [];\n\n        this.start(0);\n    };\n    this.setDocument = function(doc) {\n        this.doc = doc;\n        this.lines = [];\n        this.states = [];\n\n        this.stop();\n    };\n    this.fireUpdateEvent = function(firstRow, lastRow) {\n        var data = {\n            first: firstRow,\n            last: lastRow\n        };\n        this._signal(\"update\", {data: data});\n    };\n    this.start = function(startRow) {\n        this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());\n        this.lines.splice(this.currentLine, this.lines.length);\n        this.states.splice(this.currentLine, this.states.length);\n\n        this.stop();\n        this.running = setTimeout(this.$worker, 700);\n    };\n    \n    this.scheduleStart = function() {\n        if (!this.running)\n            this.running = setTimeout(this.$worker, 700);\n    };\n\n    this.$updateOnChange = function(delta) {\n        var startRow = delta.start.row;\n        var len = delta.end.row - startRow;\n\n        if (len === 0) {\n            this.lines[startRow] = null;\n        } else if (delta.action == \"remove\") {\n            this.lines.splice(startRow, len + 1, null);\n            this.states.splice(startRow, len + 1, null);\n        } else {\n            var args = Array(len + 1);\n            args.unshift(startRow, 1);\n            this.lines.splice.apply(this.lines, args);\n            this.states.splice.apply(this.states, args);\n        }\n\n        this.currentLine = Math.min(startRow, this.currentLine, this.doc.getLength());\n\n        this.stop();\n    };\n    this.stop = function() {\n        if (this.running)\n            clearTimeout(this.running);\n        this.running = false;\n    };\n    this.getTokens = function(row) {\n        return this.lines[row] || this.$tokenizeRow(row);\n    };\n    this.getState = function(row) {\n        if (this.currentLine == row)\n            this.$tokenizeRow(row);\n        return this.states[row] || \"start\";\n    };\n\n    this.$tokenizeRow = function(row) {\n        var line = this.doc.getLine(row);\n        var state = this.states[row - 1];\n\n        var data = this.tokenizer.getLineTokens(line, state, row);\n\n        if (this.states[row] + \"\" !== data.state + \"\") {\n            this.states[row] = data.state;\n            this.lines[row + 1] = null;\n            if (this.currentLine > row + 1)\n                this.currentLine = row + 1;\n        } else if (this.currentLine == row) {\n            this.currentLine = row + 1;\n        }\n\n        return this.lines[row] = data.tokens;\n    };\n\n}).call(BackgroundTokenizer.prototype);\n\nexports.BackgroundTokenizer = BackgroundTokenizer;\n});\n\nace.define(\"ace/search_highlight\",[\"require\",\"exports\",\"module\",\"ace/lib/lang\",\"ace/lib/oop\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar lang = require(\"./lib/lang\");\nvar oop = require(\"./lib/oop\");\nvar Range = require(\"./range\").Range;\n\nvar SearchHighlight = function(regExp, clazz, type) {\n    this.setRegexp(regExp);\n    this.clazz = clazz;\n    this.type = type || \"text\";\n};\n\n(function() {\n    this.MAX_RANGES = 500;\n    \n    this.setRegexp = function(regExp) {\n        if (this.regExp+\"\" == regExp+\"\")\n            return;\n        this.regExp = regExp;\n        this.cache = [];\n    };\n\n    this.update = function(html, markerLayer, session, config) {\n        if (!this.regExp)\n            return;\n        var start = config.firstRow, end = config.lastRow;\n\n        for (var i = start; i <= end; i++) {\n            var ranges = this.cache[i];\n            if (ranges == null) {\n                ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);\n                if (ranges.length > this.MAX_RANGES)\n                    ranges = ranges.slice(0, this.MAX_RANGES);\n                ranges = ranges.map(function(match) {\n                    return new Range(i, match.offset, i, match.offset + match.length);\n                });\n                this.cache[i] = ranges.length ? ranges : \"\";\n            }\n\n            for (var j = ranges.length; j --; ) {\n                markerLayer.drawSingleLineMarker(\n                    html, ranges[j].toScreenRange(session), this.clazz, config);\n            }\n        }\n    };\n\n}).call(SearchHighlight.prototype);\n\nexports.SearchHighlight = SearchHighlight;\n});\n\nace.define(\"ace/edit_session/fold_line\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"../range\").Range;\nfunction FoldLine(foldData, folds) {\n    this.foldData = foldData;\n    if (Array.isArray(folds)) {\n        this.folds = folds;\n    } else {\n        folds = this.folds = [ folds ];\n    }\n\n    var last = folds[folds.length - 1];\n    this.range = new Range(folds[0].start.row, folds[0].start.column,\n                           last.end.row, last.end.column);\n    this.start = this.range.start;\n    this.end   = this.range.end;\n\n    this.folds.forEach(function(fold) {\n        fold.setFoldLine(this);\n    }, this);\n}\n\n(function() {\n    this.shiftRow = function(shift) {\n        this.start.row += shift;\n        this.end.row += shift;\n        this.folds.forEach(function(fold) {\n            fold.start.row += shift;\n            fold.end.row += shift;\n        });\n    };\n\n    this.addFold = function(fold) {\n        if (fold.sameRow) {\n            if (fold.start.row < this.startRow || fold.endRow > this.endRow) {\n                throw new Error(\"Can't add a fold to this FoldLine as it has no connection\");\n            }\n            this.folds.push(fold);\n            this.folds.sort(function(a, b) {\n                return -a.range.compareEnd(b.start.row, b.start.column);\n            });\n            if (this.range.compareEnd(fold.start.row, fold.start.column) > 0) {\n                this.end.row = fold.end.row;\n                this.end.column =  fold.end.column;\n            } else if (this.range.compareStart(fold.end.row, fold.end.column) < 0) {\n                this.start.row = fold.start.row;\n                this.start.column = fold.start.column;\n            }\n        } else if (fold.start.row == this.end.row) {\n            this.folds.push(fold);\n            this.end.row = fold.end.row;\n            this.end.column = fold.end.column;\n        } else if (fold.end.row == this.start.row) {\n            this.folds.unshift(fold);\n            this.start.row = fold.start.row;\n            this.start.column = fold.start.column;\n        } else {\n            throw new Error(\"Trying to add fold to FoldRow that doesn't have a matching row\");\n        }\n        fold.foldLine = this;\n    };\n\n    this.containsRow = function(row) {\n        return row >= this.start.row && row <= this.end.row;\n    };\n\n    this.walk = function(callback, endRow, endColumn) {\n        var lastEnd = 0,\n            folds = this.folds,\n            fold,\n            cmp, stop, isNewRow = true;\n\n        if (endRow == null) {\n            endRow = this.end.row;\n            endColumn = this.end.column;\n        }\n\n        for (var i = 0; i < folds.length; i++) {\n            fold = folds[i];\n\n            cmp = fold.range.compareStart(endRow, endColumn);\n            if (cmp == -1) {\n                callback(null, endRow, endColumn, lastEnd, isNewRow);\n                return;\n            }\n\n            stop = callback(null, fold.start.row, fold.start.column, lastEnd, isNewRow);\n            stop = !stop && callback(fold.placeholder, fold.start.row, fold.start.column, lastEnd);\n            if (stop || cmp === 0) {\n                return;\n            }\n            isNewRow = !fold.sameRow;\n            lastEnd = fold.end.column;\n        }\n        callback(null, endRow, endColumn, lastEnd, isNewRow);\n    };\n\n    this.getNextFoldTo = function(row, column) {\n        var fold, cmp;\n        for (var i = 0; i < this.folds.length; i++) {\n            fold = this.folds[i];\n            cmp = fold.range.compareEnd(row, column);\n            if (cmp == -1) {\n                return {\n                    fold: fold,\n                    kind: \"after\"\n                };\n            } else if (cmp === 0) {\n                return {\n                    fold: fold,\n                    kind: \"inside\"\n                };\n            }\n        }\n        return null;\n    };\n\n    this.addRemoveChars = function(row, column, len) {\n        var ret = this.getNextFoldTo(row, column),\n            fold, folds;\n        if (ret) {\n            fold = ret.fold;\n            if (ret.kind == \"inside\"\n                && fold.start.column != column\n                && fold.start.row != row)\n            {\n                window.console && window.console.log(row, column, fold);\n            } else if (fold.start.row == row) {\n                folds = this.folds;\n                var i = folds.indexOf(fold);\n                if (i === 0) {\n                    this.start.column += len;\n                }\n                for (i; i < folds.length; i++) {\n                    fold = folds[i];\n                    fold.start.column += len;\n                    if (!fold.sameRow) {\n                        return;\n                    }\n                    fold.end.column += len;\n                }\n                this.end.column += len;\n            }\n        }\n    };\n\n    this.split = function(row, column) {\n        var pos = this.getNextFoldTo(row, column);\n        \n        if (!pos || pos.kind == \"inside\")\n            return null;\n            \n        var fold = pos.fold;\n        var folds = this.folds;\n        var foldData = this.foldData;\n        \n        var i = folds.indexOf(fold);\n        var foldBefore = folds[i - 1];\n        this.end.row = foldBefore.end.row;\n        this.end.column = foldBefore.end.column;\n        folds = folds.splice(i, folds.length - i);\n\n        var newFoldLine = new FoldLine(foldData, folds);\n        foldData.splice(foldData.indexOf(this) + 1, 0, newFoldLine);\n        return newFoldLine;\n    };\n\n    this.merge = function(foldLineNext) {\n        var folds = foldLineNext.folds;\n        for (var i = 0; i < folds.length; i++) {\n            this.addFold(folds[i]);\n        }\n        var foldData = this.foldData;\n        foldData.splice(foldData.indexOf(foldLineNext), 1);\n    };\n\n    this.toString = function() {\n        var ret = [this.range.toString() + \": [\" ];\n\n        this.folds.forEach(function(fold) {\n            ret.push(\"  \" + fold.toString());\n        });\n        ret.push(\"]\");\n        return ret.join(\"\\n\");\n    };\n\n    this.idxToPosition = function(idx) {\n        var lastFoldEndColumn = 0;\n\n        for (var i = 0; i < this.folds.length; i++) {\n            var fold = this.folds[i];\n\n            idx -= fold.start.column - lastFoldEndColumn;\n            if (idx < 0) {\n                return {\n                    row: fold.start.row,\n                    column: fold.start.column + idx\n                };\n            }\n\n            idx -= fold.placeholder.length;\n            if (idx < 0) {\n                return fold.start;\n            }\n\n            lastFoldEndColumn = fold.end.column;\n        }\n\n        return {\n            row: this.end.row,\n            column: this.end.column + idx\n        };\n    };\n}).call(FoldLine.prototype);\n\nexports.FoldLine = FoldLine;\n});\n\nace.define(\"ace/range_list\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\nvar Range = require(\"./range\").Range;\nvar comparePoints = Range.comparePoints;\n\nvar RangeList = function() {\n    this.ranges = [];\n    this.$bias = 1;\n};\n\n(function() {\n    this.comparePoints = comparePoints;\n\n    this.pointIndex = function(pos, excludeEdges, startIndex) {\n        var list = this.ranges;\n\n        for (var i = startIndex || 0; i < list.length; i++) {\n            var range = list[i];\n            var cmpEnd = comparePoints(pos, range.end);\n            if (cmpEnd > 0)\n                continue;\n            var cmpStart = comparePoints(pos, range.start);\n            if (cmpEnd === 0)\n                return excludeEdges && cmpStart !== 0 ? -i-2 : i;\n            if (cmpStart > 0 || (cmpStart === 0 && !excludeEdges))\n                return i;\n\n            return -i-1;\n        }\n        return -i - 1;\n    };\n\n    this.add = function(range) {\n        var excludeEdges = !range.isEmpty();\n        var startIndex = this.pointIndex(range.start, excludeEdges);\n        if (startIndex < 0)\n            startIndex = -startIndex - 1;\n\n        var endIndex = this.pointIndex(range.end, excludeEdges, startIndex);\n\n        if (endIndex < 0)\n            endIndex = -endIndex - 1;\n        else\n            endIndex++;\n        return this.ranges.splice(startIndex, endIndex - startIndex, range);\n    };\n\n    this.addList = function(list) {\n        var removed = [];\n        for (var i = list.length; i--; ) {\n            removed.push.apply(removed, this.add(list[i]));\n        }\n        return removed;\n    };\n\n    this.substractPoint = function(pos) {\n        var i = this.pointIndex(pos);\n\n        if (i >= 0)\n            return this.ranges.splice(i, 1);\n    };\n    this.merge = function() {\n        var removed = [];\n        var list = this.ranges;\n        \n        list = list.sort(function(a, b) {\n            return comparePoints(a.start, b.start);\n        });\n        \n        var next = list[0], range;\n        for (var i = 1; i < list.length; i++) {\n            range = next;\n            next = list[i];\n            var cmp = comparePoints(range.end, next.start);\n            if (cmp < 0)\n                continue;\n\n            if (cmp == 0 && !range.isEmpty() && !next.isEmpty())\n                continue;\n\n            if (comparePoints(range.end, next.end) < 0) {\n                range.end.row = next.end.row;\n                range.end.column = next.end.column;\n            }\n\n            list.splice(i, 1);\n            removed.push(next);\n            next = range;\n            i--;\n        }\n        \n        this.ranges = list;\n\n        return removed;\n    };\n\n    this.contains = function(row, column) {\n        return this.pointIndex({row: row, column: column}) >= 0;\n    };\n\n    this.containsPoint = function(pos) {\n        return this.pointIndex(pos) >= 0;\n    };\n\n    this.rangeAtPoint = function(pos) {\n        var i = this.pointIndex(pos);\n        if (i >= 0)\n            return this.ranges[i];\n    };\n\n\n    this.clipRows = function(startRow, endRow) {\n        var list = this.ranges;\n        if (list[0].start.row > endRow || list[list.length - 1].start.row < startRow)\n            return [];\n\n        var startIndex = this.pointIndex({row: startRow, column: 0});\n        if (startIndex < 0)\n            startIndex = -startIndex - 1;\n        var endIndex = this.pointIndex({row: endRow, column: 0}, startIndex);\n        if (endIndex < 0)\n            endIndex = -endIndex - 1;\n\n        var clipped = [];\n        for (var i = startIndex; i < endIndex; i++) {\n            clipped.push(list[i]);\n        }\n        return clipped;\n    };\n\n    this.removeAll = function() {\n        return this.ranges.splice(0, this.ranges.length);\n    };\n\n    this.attach = function(session) {\n        if (this.session)\n            this.detach();\n\n        this.session = session;\n        this.onChange = this.$onChange.bind(this);\n\n        this.session.on('change', this.onChange);\n    };\n\n    this.detach = function() {\n        if (!this.session)\n            return;\n        this.session.removeListener('change', this.onChange);\n        this.session = null;\n    };\n\n    this.$onChange = function(delta) {\n        var start = delta.start;\n        var end = delta.end;\n        var startRow = start.row;\n        var endRow = end.row;\n        var ranges = this.ranges;\n        for (var i = 0, n = ranges.length; i < n; i++) {\n            var r = ranges[i];\n            if (r.end.row >= startRow)\n                break;\n        }\n        \n        if (delta.action == \"insert\") {\n            var lineDif = endRow - startRow;\n            var colDiff = -start.column + end.column;\n            for (; i < n; i++) {\n                var r = ranges[i];\n                if (r.start.row > startRow)\n                    break;\n    \n                if (r.start.row == startRow && r.start.column >= start.column) {\n                    if (r.start.column == start.column && this.$bias <= 0) {\n                    } else {\n                        r.start.column += colDiff;\n                        r.start.row += lineDif;\n                    }\n                }\n                if (r.end.row == startRow && r.end.column >= start.column) {\n                    if (r.end.column == start.column && this.$bias < 0) {\n                        continue;\n                    }\n                    if (r.end.column == start.column && colDiff > 0 && i < n - 1) {\n                        if (r.end.column > r.start.column && r.end.column == ranges[i+1].start.column)\n                            r.end.column -= colDiff;\n                    }\n                    r.end.column += colDiff;\n                    r.end.row += lineDif;\n                }\n            }\n        } else {\n            var lineDif = startRow - endRow;\n            var colDiff = start.column - end.column;\n            for (; i < n; i++) {\n                var r = ranges[i];\n                \n                if (r.start.row > endRow)\n                    break;\n                    \n                if (r.end.row < endRow\n                    && (\n                        startRow < r.end.row \n                        || startRow == r.end.row && start.column < r.end.column\n                    )\n                ) {\n                    r.end.row = startRow;\n                    r.end.column = start.column;\n                }\n                else if (r.end.row == endRow) {\n                    if (r.end.column <= end.column) {\n                        if (lineDif || r.end.column > start.column) {\n                            r.end.column = start.column;\n                            r.end.row = start.row;\n                        }\n                    }\n                    else {\n                        r.end.column += colDiff;\n                        r.end.row += lineDif;\n                    }\n                }\n                else if (r.end.row > endRow) {\n                    r.end.row += lineDif;\n                }\n                \n                if (r.start.row < endRow\n                    && (\n                        startRow < r.start.row \n                        || startRow == r.start.row && start.column < r.start.column\n                    )\n                ) {\n                    r.start.row = startRow;\n                    r.start.column = start.column;\n                }\n                else if (r.start.row == endRow) {\n                    if (r.start.column <= end.column) {\n                        if (lineDif || r.start.column > start.column) {\n                            r.start.column = start.column;\n                            r.start.row = start.row;\n                        }\n                    }\n                    else {\n                        r.start.column += colDiff;\n                        r.start.row += lineDif;\n                    }\n                }\n                else if (r.start.row > endRow) {\n                    r.start.row += lineDif;\n                }\n            }\n        }\n\n        if (lineDif != 0 && i < n) {\n            for (; i < n; i++) {\n                var r = ranges[i];\n                r.start.row += lineDif;\n                r.end.row += lineDif;\n            }\n        }\n    };\n\n}).call(RangeList.prototype);\n\nexports.RangeList = RangeList;\n});\n\nace.define(\"ace/edit_session/fold\",[\"require\",\"exports\",\"module\",\"ace/range_list\",\"ace/lib/oop\"], function(require, exports, module) {\n\"use strict\";\n\nvar RangeList = require(\"../range_list\").RangeList;\nvar oop = require(\"../lib/oop\");\nvar Fold = exports.Fold = function(range, placeholder) {\n    this.foldLine = null;\n    this.placeholder = placeholder;\n    this.range = range;\n    this.start = range.start;\n    this.end = range.end;\n\n    this.sameRow = range.start.row == range.end.row;\n    this.subFolds = this.ranges = [];\n};\n\noop.inherits(Fold, RangeList);\n\n(function() {\n\n    this.toString = function() {\n        return '\"' + this.placeholder + '\" ' + this.range.toString();\n    };\n\n    this.setFoldLine = function(foldLine) {\n        this.foldLine = foldLine;\n        this.subFolds.forEach(function(fold) {\n            fold.setFoldLine(foldLine);\n        });\n    };\n\n    this.clone = function() {\n        var range = this.range.clone();\n        var fold = new Fold(range, this.placeholder);\n        this.subFolds.forEach(function(subFold) {\n            fold.subFolds.push(subFold.clone());\n        });\n        fold.collapseChildren = this.collapseChildren;\n        return fold;\n    };\n\n    this.addSubFold = function(fold) {\n        if (this.range.isEqual(fold))\n            return;\n        consumeRange(fold, this.start);\n\n        var row = fold.start.row, column = fold.start.column;\n        for (var i = 0, cmp = -1; i < this.subFolds.length; i++) {\n            cmp = this.subFolds[i].range.compare(row, column);\n            if (cmp != 1)\n                break;\n        }\n        var afterStart = this.subFolds[i];\n        var firstConsumed = 0;\n\n        if (cmp == 0) {\n            if (afterStart.range.containsRange(fold))\n                return afterStart.addSubFold(fold);\n            else\n                firstConsumed = 1;\n        }\n        var row = fold.range.end.row, column = fold.range.end.column;\n        for (var j = i, cmp = -1; j < this.subFolds.length; j++) {\n            cmp = this.subFolds[j].range.compare(row, column);\n            if (cmp != 1)\n                break;\n        }\n        if (cmp == 0)  j++;\n        var consumedFolds = this.subFolds.splice(i, j - i, fold);\n        var last = cmp == 0 ? consumedFolds.length - 1 : consumedFolds.length;\n        for (var k = firstConsumed; k < last; k++) {\n            fold.addSubFold(consumedFolds[k]);\n        }\n        fold.setFoldLine(this.foldLine);\n\n        return fold;\n    };\n    \n    this.restoreRange = function(range) {\n        return restoreRange(range, this.start);\n    };\n\n}).call(Fold.prototype);\n\nfunction consumePoint(point, anchor) {\n    point.row -= anchor.row;\n    if (point.row == 0)\n        point.column -= anchor.column;\n}\nfunction consumeRange(range, anchor) {\n    consumePoint(range.start, anchor);\n    consumePoint(range.end, anchor);\n}\nfunction restorePoint(point, anchor) {\n    if (point.row == 0)\n        point.column += anchor.column;\n    point.row += anchor.row;\n}\nfunction restoreRange(range, anchor) {\n    restorePoint(range.start, anchor);\n    restorePoint(range.end, anchor);\n}\n\n});\n\nace.define(\"ace/edit_session/folding\",[\"require\",\"exports\",\"module\",\"ace/range\",\"ace/edit_session/fold_line\",\"ace/edit_session/fold\",\"ace/token_iterator\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"../range\").Range;\nvar FoldLine = require(\"./fold_line\").FoldLine;\nvar Fold = require(\"./fold\").Fold;\nvar TokenIterator = require(\"../token_iterator\").TokenIterator;\n\nfunction Folding() {\n    this.getFoldAt = function(row, column, side) {\n        var foldLine = this.getFoldLine(row);\n        if (!foldLine)\n            return null;\n\n        var folds = foldLine.folds;\n        for (var i = 0; i < folds.length; i++) {\n            var range = folds[i].range;\n            if (range.contains(row, column)) {\n                if (side == 1 && range.isEnd(row, column) && !range.isEmpty()) {\n                    continue;\n                } else if (side == -1 && range.isStart(row, column) && !range.isEmpty()) {\n                    continue;\n                }\n                return folds[i];\n            }\n        }\n    };\n    this.getFoldsInRange = function(range) {\n        var start = range.start;\n        var end = range.end;\n        var foldLines = this.$foldData;\n        var foundFolds = [];\n\n        start.column += 1;\n        end.column -= 1;\n\n        for (var i = 0; i < foldLines.length; i++) {\n            var cmp = foldLines[i].range.compareRange(range);\n            if (cmp == 2) {\n                continue;\n            }\n            else if (cmp == -2) {\n                break;\n            }\n\n            var folds = foldLines[i].folds;\n            for (var j = 0; j < folds.length; j++) {\n                var fold = folds[j];\n                cmp = fold.range.compareRange(range);\n                if (cmp == -2) {\n                    break;\n                } else if (cmp == 2) {\n                    continue;\n                } else\n                if (cmp == 42) {\n                    break;\n                }\n                foundFolds.push(fold);\n            }\n        }\n        start.column -= 1;\n        end.column += 1;\n\n        return foundFolds;\n    };\n\n    this.getFoldsInRangeList = function(ranges) {\n        if (Array.isArray(ranges)) {\n            var folds = [];\n            ranges.forEach(function(range) {\n                folds = folds.concat(this.getFoldsInRange(range));\n            }, this);\n        } else {\n            var folds = this.getFoldsInRange(ranges);\n        }\n        return folds;\n    };\n    this.getAllFolds = function() {\n        var folds = [];\n        var foldLines = this.$foldData;\n        \n        for (var i = 0; i < foldLines.length; i++)\n            for (var j = 0; j < foldLines[i].folds.length; j++)\n                folds.push(foldLines[i].folds[j]);\n\n        return folds;\n    };\n    this.getFoldStringAt = function(row, column, trim, foldLine) {\n        foldLine = foldLine || this.getFoldLine(row);\n        if (!foldLine)\n            return null;\n\n        var lastFold = {\n            end: { column: 0 }\n        };\n        var str, fold;\n        for (var i = 0; i < foldLine.folds.length; i++) {\n            fold = foldLine.folds[i];\n            var cmp = fold.range.compareEnd(row, column);\n            if (cmp == -1) {\n                str = this\n                    .getLine(fold.start.row)\n                    .substring(lastFold.end.column, fold.start.column);\n                break;\n            }\n            else if (cmp === 0) {\n                return null;\n            }\n            lastFold = fold;\n        }\n        if (!str)\n            str = this.getLine(fold.start.row).substring(lastFold.end.column);\n\n        if (trim == -1)\n            return str.substring(0, column - lastFold.end.column);\n        else if (trim == 1)\n            return str.substring(column - lastFold.end.column);\n        else\n            return str;\n    };\n\n    this.getFoldLine = function(docRow, startFoldLine) {\n        var foldData = this.$foldData;\n        var i = 0;\n        if (startFoldLine)\n            i = foldData.indexOf(startFoldLine);\n        if (i == -1)\n            i = 0;\n        for (i; i < foldData.length; i++) {\n            var foldLine = foldData[i];\n            if (foldLine.start.row <= docRow && foldLine.end.row >= docRow) {\n                return foldLine;\n            } else if (foldLine.end.row > docRow) {\n                return null;\n            }\n        }\n        return null;\n    };\n    this.getNextFoldLine = function(docRow, startFoldLine) {\n        var foldData = this.$foldData;\n        var i = 0;\n        if (startFoldLine)\n            i = foldData.indexOf(startFoldLine);\n        if (i == -1)\n            i = 0;\n        for (i; i < foldData.length; i++) {\n            var foldLine = foldData[i];\n            if (foldLine.end.row >= docRow) {\n                return foldLine;\n            }\n        }\n        return null;\n    };\n\n    this.getFoldedRowCount = function(first, last) {\n        var foldData = this.$foldData, rowCount = last-first+1;\n        for (var i = 0; i < foldData.length; i++) {\n            var foldLine = foldData[i],\n                end = foldLine.end.row,\n                start = foldLine.start.row;\n            if (end >= last) {\n                if (start < last) {\n                    if (start >= first)\n                        rowCount -= last-start;\n                    else\n                        rowCount = 0; // in one fold\n                }\n                break;\n            } else if (end >= first){\n                if (start >= first) // fold inside range\n                    rowCount -=  end-start;\n                else\n                    rowCount -=  end-first+1;\n            }\n        }\n        return rowCount;\n    };\n\n    this.$addFoldLine = function(foldLine) {\n        this.$foldData.push(foldLine);\n        this.$foldData.sort(function(a, b) {\n            return a.start.row - b.start.row;\n        });\n        return foldLine;\n    };\n    this.addFold = function(placeholder, range) {\n        var foldData = this.$foldData;\n        var added = false;\n        var fold;\n        \n        if (placeholder instanceof Fold)\n            fold = placeholder;\n        else {\n            fold = new Fold(range, placeholder);\n            fold.collapseChildren = range.collapseChildren;\n        }\n        this.$clipRangeToDocument(fold.range);\n\n        var startRow = fold.start.row;\n        var startColumn = fold.start.column;\n        var endRow = fold.end.row;\n        var endColumn = fold.end.column;\n\n        var startFold = this.getFoldAt(startRow, startColumn, 1);\n        var endFold = this.getFoldAt(endRow, endColumn, -1);\n        if (startFold && endFold == startFold)\n            return startFold.addSubFold(fold);\n\n        if (startFold && !startFold.range.isStart(startRow, startColumn))\n            this.removeFold(startFold);\n        \n        if (endFold && !endFold.range.isEnd(endRow, endColumn))\n            this.removeFold(endFold);\n        var folds = this.getFoldsInRange(fold.range);\n        if (folds.length > 0) {\n            this.removeFolds(folds);\n            if (!fold.collapseChildren) {\n                folds.forEach(function(subFold) {\n                    fold.addSubFold(subFold);\n                });\n            }\n        }\n\n        for (var i = 0; i < foldData.length; i++) {\n            var foldLine = foldData[i];\n            if (endRow == foldLine.start.row) {\n                foldLine.addFold(fold);\n                added = true;\n                break;\n            } else if (startRow == foldLine.end.row) {\n                foldLine.addFold(fold);\n                added = true;\n                if (!fold.sameRow) {\n                    var foldLineNext = foldData[i + 1];\n                    if (foldLineNext && foldLineNext.start.row == endRow) {\n                        foldLine.merge(foldLineNext);\n                        break;\n                    }\n                }\n                break;\n            } else if (endRow <= foldLine.start.row) {\n                break;\n            }\n        }\n\n        if (!added)\n            foldLine = this.$addFoldLine(new FoldLine(this.$foldData, fold));\n\n        if (this.$useWrapMode)\n            this.$updateWrapData(foldLine.start.row, foldLine.start.row);\n        else\n            this.$updateRowLengthCache(foldLine.start.row, foldLine.start.row);\n        this.$modified = true;\n        this._signal(\"changeFold\", { data: fold, action: \"add\" });\n\n        return fold;\n    };\n\n    this.addFolds = function(folds) {\n        folds.forEach(function(fold) {\n            this.addFold(fold);\n        }, this);\n    };\n\n    this.removeFold = function(fold) {\n        var foldLine = fold.foldLine;\n        var startRow = foldLine.start.row;\n        var endRow = foldLine.end.row;\n\n        var foldLines = this.$foldData;\n        var folds = foldLine.folds;\n        if (folds.length == 1) {\n            foldLines.splice(foldLines.indexOf(foldLine), 1);\n        } else\n        if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {\n            folds.pop();\n            foldLine.end.row = folds[folds.length - 1].end.row;\n            foldLine.end.column = folds[folds.length - 1].end.column;\n        } else\n        if (foldLine.range.isStart(fold.start.row, fold.start.column)) {\n            folds.shift();\n            foldLine.start.row = folds[0].start.row;\n            foldLine.start.column = folds[0].start.column;\n        } else\n        if (fold.sameRow) {\n            folds.splice(folds.indexOf(fold), 1);\n        } else\n        {\n            var newFoldLine = foldLine.split(fold.start.row, fold.start.column);\n            folds = newFoldLine.folds;\n            folds.shift();\n            newFoldLine.start.row = folds[0].start.row;\n            newFoldLine.start.column = folds[0].start.column;\n        }\n\n        if (!this.$updating) {\n            if (this.$useWrapMode)\n                this.$updateWrapData(startRow, endRow);\n            else\n                this.$updateRowLengthCache(startRow, endRow);\n        }\n        this.$modified = true;\n        this._signal(\"changeFold\", { data: fold, action: \"remove\" });\n    };\n\n    this.removeFolds = function(folds) {\n        var cloneFolds = [];\n        for (var i = 0; i < folds.length; i++) {\n            cloneFolds.push(folds[i]);\n        }\n\n        cloneFolds.forEach(function(fold) {\n            this.removeFold(fold);\n        }, this);\n        this.$modified = true;\n    };\n\n    this.expandFold = function(fold) {\n        this.removeFold(fold);\n        fold.subFolds.forEach(function(subFold) {\n            fold.restoreRange(subFold);\n            this.addFold(subFold);\n        }, this);\n        if (fold.collapseChildren > 0) {\n            this.foldAll(fold.start.row+1, fold.end.row, fold.collapseChildren-1);\n        }\n        fold.subFolds = [];\n    };\n\n    this.expandFolds = function(folds) {\n        folds.forEach(function(fold) {\n            this.expandFold(fold);\n        }, this);\n    };\n\n    this.unfold = function(location, expandInner) {\n        var range, folds;\n        if (location == null) {\n            range = new Range(0, 0, this.getLength(), 0);\n            if (expandInner == null) expandInner = true;\n        } else if (typeof location == \"number\")\n            range = new Range(location, 0, location, this.getLine(location).length);\n        else if (\"row\" in location)\n            range = Range.fromPoints(location, location);\n        else\n            range = location;\n        \n        folds = this.getFoldsInRangeList(range);\n        if (expandInner != false) {\n            this.removeFolds(folds);\n        } else {\n            this.expandFolds(folds);\n        }\n        if (folds.length)\n            return folds;\n    };\n    this.isRowFolded = function(docRow, startFoldRow) {\n        return !!this.getFoldLine(docRow, startFoldRow);\n    };\n\n    this.getRowFoldEnd = function(docRow, startFoldRow) {\n        var foldLine = this.getFoldLine(docRow, startFoldRow);\n        return foldLine ? foldLine.end.row : docRow;\n    };\n\n    this.getRowFoldStart = function(docRow, startFoldRow) {\n        var foldLine = this.getFoldLine(docRow, startFoldRow);\n        return foldLine ? foldLine.start.row : docRow;\n    };\n\n    this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {\n        if (startRow == null)\n            startRow = foldLine.start.row;\n        if (startColumn == null)\n            startColumn = 0;\n        if (endRow == null)\n            endRow = foldLine.end.row;\n        if (endColumn == null)\n            endColumn = this.getLine(endRow).length;\n        var doc = this.doc;\n        var textLine = \"\";\n\n        foldLine.walk(function(placeholder, row, column, lastColumn) {\n            if (row < startRow)\n                return;\n            if (row == startRow) {\n                if (column < startColumn)\n                    return;\n                lastColumn = Math.max(startColumn, lastColumn);\n            }\n\n            if (placeholder != null) {\n                textLine += placeholder;\n            } else {\n                textLine += doc.getLine(row).substring(lastColumn, column);\n            }\n        }, endRow, endColumn);\n        return textLine;\n    };\n\n    this.getDisplayLine = function(row, endColumn, startRow, startColumn) {\n        var foldLine = this.getFoldLine(row);\n\n        if (!foldLine) {\n            var line;\n            line = this.doc.getLine(row);\n            return line.substring(startColumn || 0, endColumn || line.length);\n        } else {\n            return this.getFoldDisplayLine(\n                foldLine, row, endColumn, startRow, startColumn);\n        }\n    };\n\n    this.$cloneFoldData = function() {\n        var fd = [];\n        fd = this.$foldData.map(function(foldLine) {\n            var folds = foldLine.folds.map(function(fold) {\n                return fold.clone();\n            });\n            return new FoldLine(fd, folds);\n        });\n\n        return fd;\n    };\n\n    this.toggleFold = function(tryToUnfold) {\n        var selection = this.selection;\n        var range = selection.getRange();\n        var fold;\n        var bracketPos;\n\n        if (range.isEmpty()) {\n            var cursor = range.start;\n            fold = this.getFoldAt(cursor.row, cursor.column);\n\n            if (fold) {\n                this.expandFold(fold);\n                return;\n            } else if (bracketPos = this.findMatchingBracket(cursor)) {\n                if (range.comparePoint(bracketPos) == 1) {\n                    range.end = bracketPos;\n                } else {\n                    range.start = bracketPos;\n                    range.start.column++;\n                    range.end.column--;\n                }\n            } else if (bracketPos = this.findMatchingBracket({row: cursor.row, column: cursor.column + 1})) {\n                if (range.comparePoint(bracketPos) == 1)\n                    range.end = bracketPos;\n                else\n                    range.start = bracketPos;\n\n                range.start.column++;\n            } else {\n                range = this.getCommentFoldRange(cursor.row, cursor.column) || range;\n            }\n        } else {\n            var folds = this.getFoldsInRange(range);\n            if (tryToUnfold && folds.length) {\n                this.expandFolds(folds);\n                return;\n            } else if (folds.length == 1 ) {\n                fold = folds[0];\n            }\n        }\n\n        if (!fold)\n            fold = this.getFoldAt(range.start.row, range.start.column);\n\n        if (fold && fold.range.toString() == range.toString()) {\n            this.expandFold(fold);\n            return;\n        }\n\n        var placeholder = \"...\";\n        if (!range.isMultiLine()) {\n            placeholder = this.getTextRange(range);\n            if (placeholder.length < 4)\n                return;\n            placeholder = placeholder.trim().substring(0, 2) + \"..\";\n        }\n\n        this.addFold(placeholder, range);\n    };\n\n    this.getCommentFoldRange = function(row, column, dir) {\n        var iterator = new TokenIterator(this, row, column);\n        var token = iterator.getCurrentToken();\n        var type = token && token.type;\n        if (token && /^comment|string/.test(type)) {\n            type = type.match(/comment|string/)[0];\n            if (type == \"comment\")\n                type += \"|doc-start\";\n            var re = new RegExp(type);\n            var range = new Range();\n            if (dir != 1) {\n                do {\n                    token = iterator.stepBackward();\n                } while (token && re.test(token.type));\n                iterator.stepForward();\n            }\n            \n            range.start.row = iterator.getCurrentTokenRow();\n            range.start.column = iterator.getCurrentTokenColumn() + 2;\n\n            iterator = new TokenIterator(this, row, column);\n            \n            if (dir != -1) {\n                var lastRow = -1;\n                do {\n                    token = iterator.stepForward();\n                    if (lastRow == -1) {\n                        var state = this.getState(iterator.$row);\n                        if (!re.test(state))\n                            lastRow = iterator.$row;\n                    } else if (iterator.$row > lastRow) {\n                        break;\n                    }\n                } while (token && re.test(token.type));\n                token = iterator.stepBackward();\n            } else\n                token = iterator.getCurrentToken();\n\n            range.end.row = iterator.getCurrentTokenRow();\n            range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;\n            return range;\n        }\n    };\n\n    this.foldAll = function(startRow, endRow, depth, test) {\n        if (depth == undefined)\n            depth = 100000; // JSON.stringify doesn't hanle Infinity\n        var foldWidgets = this.foldWidgets;\n        if (!foldWidgets)\n            return; // mode doesn't support folding\n        endRow = endRow || this.getLength();\n        startRow = startRow || 0;\n        for (var row = startRow; row < endRow; row++) {\n            if (foldWidgets[row] == null)\n                foldWidgets[row] = this.getFoldWidget(row);\n            if (foldWidgets[row] != \"start\")\n                continue;\n            \n            if (test && !test(row)) continue;\n\n            var range = this.getFoldWidgetRange(row);\n            if (range && range.isMultiLine()\n                && range.end.row <= endRow\n                && range.start.row >= startRow\n            ) {\n                row = range.end.row;\n                range.collapseChildren = depth;\n                this.addFold(\"...\", range);\n            }\n        }\n    };\n    \n    this.foldToLevel = function(level) {\n        this.foldAll();\n        while (level-- > 0)\n            this.unfold(null, false);\n    };\n    \n    this.foldAllComments = function() {\n        var session = this;\n        this.foldAll(null, null, null, function(row) {\n            var tokens = session.getTokens(row);\n            for (var i = 0; i < tokens.length; i++) {\n                var token = tokens[i];\n                if (token.type == \"text\" && /^\\s+$/.test(token.value))\n                    continue;\n                if (/comment/.test(token.type))\n                    return true;\n                return false;\n            }\n        });\n    };\n    this.$foldStyles = {\n        \"manual\": 1,\n        \"markbegin\": 1,\n        \"markbeginend\": 1\n    };\n    this.$foldStyle = \"markbegin\";\n    this.setFoldStyle = function(style) {\n        if (!this.$foldStyles[style])\n            throw new Error(\"invalid fold style: \" + style + \"[\" + Object.keys(this.$foldStyles).join(\", \") + \"]\");\n        \n        if (this.$foldStyle == style)\n            return;\n\n        this.$foldStyle = style;\n        \n        if (style == \"manual\")\n            this.unfold();\n        var mode = this.$foldMode;\n        this.$setFolding(null);\n        this.$setFolding(mode);\n    };\n\n    this.$setFolding = function(foldMode) {\n        if (this.$foldMode == foldMode)\n            return;\n            \n        this.$foldMode = foldMode;\n        \n        this.off('change', this.$updateFoldWidgets);\n        this.off('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);\n        this._signal(\"changeAnnotation\");\n        \n        if (!foldMode || this.$foldStyle == \"manual\") {\n            this.foldWidgets = null;\n            return;\n        }\n        \n        this.foldWidgets = [];\n        this.getFoldWidget = foldMode.getFoldWidget.bind(foldMode, this, this.$foldStyle);\n        this.getFoldWidgetRange = foldMode.getFoldWidgetRange.bind(foldMode, this, this.$foldStyle);\n        \n        this.$updateFoldWidgets = this.updateFoldWidgets.bind(this);\n        this.$tokenizerUpdateFoldWidgets = this.tokenizerUpdateFoldWidgets.bind(this);\n        this.on('change', this.$updateFoldWidgets);\n        this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);\n    };\n\n    this.getParentFoldRangeData = function (row, ignoreCurrent) {\n        var fw = this.foldWidgets;\n        if (!fw || (ignoreCurrent && fw[row]))\n            return {};\n\n        var i = row - 1, firstRange;\n        while (i >= 0) {\n            var c = fw[i];\n            if (c == null)\n                c = fw[i] = this.getFoldWidget(i);\n\n            if (c == \"start\") {\n                var range = this.getFoldWidgetRange(i);\n                if (!firstRange)\n                    firstRange = range;\n                if (range && range.end.row >= row)\n                    break;\n            }\n            i--;\n        }\n\n        return {\n            range: i !== -1 && range,\n            firstRange: firstRange\n        };\n    };\n\n    this.onFoldWidgetClick = function(row, e) {\n        e = e.domEvent;\n        var options = {\n            children: e.shiftKey,\n            all: e.ctrlKey || e.metaKey,\n            siblings: e.altKey\n        };\n        \n        var range = this.$toggleFoldWidget(row, options);\n        if (!range) {\n            var el = (e.target || e.srcElement);\n            if (el && /ace_fold-widget/.test(el.className))\n                el.className += \" ace_invalid\";\n        }\n    };\n    \n    this.$toggleFoldWidget = function(row, options) {\n        if (!this.getFoldWidget)\n            return;\n        var type = this.getFoldWidget(row);\n        var line = this.getLine(row);\n\n        var dir = type === \"end\" ? -1 : 1;\n        var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);\n\n        if (fold) {\n            if (options.children || options.all)\n                this.removeFold(fold);\n            else\n                this.expandFold(fold);\n            return fold;\n        }\n\n        var range = this.getFoldWidgetRange(row, true);\n        if (range && !range.isMultiLine()) {\n            fold = this.getFoldAt(range.start.row, range.start.column, 1);\n            if (fold && range.isEqual(fold.range)) {\n                this.removeFold(fold);\n                return fold;\n            }\n        }\n        \n        if (options.siblings) {\n            var data = this.getParentFoldRangeData(row);\n            if (data.range) {\n                var startRow = data.range.start.row + 1;\n                var endRow = data.range.end.row;\n            }\n            this.foldAll(startRow, endRow, options.all ? 10000 : 0);\n        } else if (options.children) {\n            endRow = range ? range.end.row : this.getLength();\n            this.foldAll(row + 1, endRow, options.all ? 10000 : 0);\n        } else if (range) {\n            if (options.all) \n                range.collapseChildren = 10000;\n            this.addFold(\"...\", range);\n        }\n        \n        return range;\n    };\n    \n    \n    \n    this.toggleFoldWidget = function(toggleParent) {\n        var row = this.selection.getCursor().row;\n        row = this.getRowFoldStart(row);\n        var range = this.$toggleFoldWidget(row, {});\n        \n        if (range)\n            return;\n        var data = this.getParentFoldRangeData(row, true);\n        range = data.range || data.firstRange;\n        \n        if (range) {\n            row = range.start.row;\n            var fold = this.getFoldAt(row, this.getLine(row).length, 1);\n\n            if (fold) {\n                this.removeFold(fold);\n            } else {\n                this.addFold(\"...\", range);\n            }\n        }\n    };\n\n    this.updateFoldWidgets = function(delta) {\n        var firstRow = delta.start.row;\n        var len = delta.end.row - firstRow;\n\n        if (len === 0) {\n            this.foldWidgets[firstRow] = null;\n        } else if (delta.action == 'remove') {\n            this.foldWidgets.splice(firstRow, len + 1, null);\n        } else {\n            var args = Array(len + 1);\n            args.unshift(firstRow, 1);\n            this.foldWidgets.splice.apply(this.foldWidgets, args);\n        }\n    };\n    this.tokenizerUpdateFoldWidgets = function(e) {\n        var rows = e.data;\n        if (rows.first != rows.last) {\n            if (this.foldWidgets.length > rows.first)\n                this.foldWidgets.splice(rows.first, this.foldWidgets.length);\n        }\n    };\n}\n\nexports.Folding = Folding;\n\n});\n\nace.define(\"ace/edit_session/bracket_match\",[\"require\",\"exports\",\"module\",\"ace/token_iterator\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar TokenIterator = require(\"../token_iterator\").TokenIterator;\nvar Range = require(\"../range\").Range;\n\n\nfunction BracketMatch() {\n\n    this.findMatchingBracket = function(position, chr) {\n        if (position.column == 0) return null;\n\n        var charBeforeCursor = chr || this.getLine(position.row).charAt(position.column-1);\n        if (charBeforeCursor == \"\") return null;\n\n        var match = charBeforeCursor.match(/([\\(\\[\\{])|([\\)\\]\\}])/);\n        if (!match)\n            return null;\n\n        if (match[1])\n            return this.$findClosingBracket(match[1], position);\n        else\n            return this.$findOpeningBracket(match[2], position);\n    };\n    \n    this.getBracketRange = function(pos) {\n        var line = this.getLine(pos.row);\n        var before = true, range;\n\n        var chr = line.charAt(pos.column - 1);\n        var match = chr && chr.match(/([\\(\\[\\{])|([\\)\\]\\}])/);\n        if (!match) {\n            chr = line.charAt(pos.column);\n            pos = {row: pos.row, column: pos.column + 1};\n            match = chr && chr.match(/([\\(\\[\\{])|([\\)\\]\\}])/);\n            before = false;\n        }\n        if (!match)\n            return null;\n\n        if (match[1]) {\n            var bracketPos = this.$findClosingBracket(match[1], pos);\n            if (!bracketPos)\n                return null;\n            range = Range.fromPoints(pos, bracketPos);\n            if (!before) {\n                range.end.column++;\n                range.start.column--;\n            }\n            range.cursor = range.end;\n        } else {\n            var bracketPos = this.$findOpeningBracket(match[2], pos);\n            if (!bracketPos)\n                return null;\n            range = Range.fromPoints(bracketPos, pos);\n            if (!before) {\n                range.start.column++;\n                range.end.column--;\n            }\n            range.cursor = range.start;\n        }\n        \n        return range;\n    };\n    this.getMatchingBracketRanges = function(pos) {\n        var line = this.getLine(pos.row);\n\n        var chr = line.charAt(pos.column - 1);\n        var match = chr && chr.match(/([\\(\\[\\{])|([\\)\\]\\}])/);\n        if (!match) {\n            chr = line.charAt(pos.column);\n            pos = {row: pos.row, column: pos.column + 1};\n            match = chr && chr.match(/([\\(\\[\\{])|([\\)\\]\\}])/);\n        }\n\n        if (!match)\n            return null;\n\n        var startRange = new Range(pos.row, pos.column - 1, pos.row, pos.column);\n        var bracketPos = match[1] ? this.$findClosingBracket(match[1], pos)\n            : this.$findOpeningBracket(match[2], pos);\n        if (!bracketPos)\n            return [startRange];\n        var endRange = new Range(bracketPos.row, bracketPos.column, bracketPos.row, bracketPos.column + 1);\n\n        return [startRange, endRange];\n    };\n\n    this.$brackets = {\n        \")\": \"(\",\n        \"(\": \")\",\n        \"]\": \"[\",\n        \"[\": \"]\",\n        \"{\": \"}\",\n        \"}\": \"{\",\n        \"<\": \">\",\n        \">\": \"<\"\n    };\n\n    this.$findOpeningBracket = function(bracket, position, typeRe) {\n        var openBracket = this.$brackets[bracket];\n        var depth = 1;\n\n        var iterator = new TokenIterator(this, position.row, position.column);\n        var token = iterator.getCurrentToken();\n        if (!token)\n            token = iterator.stepForward();\n        if (!token)\n            return;\n        \n         if (!typeRe){\n            typeRe = new RegExp(\n                \"(\\\\.?\" +\n                token.type.replace(\".\", \"\\\\.\").replace(\"rparen\", \".paren\")\n                    .replace(/\\b(?:end)\\b/, \"(?:start|begin|end)\")\n                + \")+\"\n            );\n        }\n        var valueIndex = position.column - iterator.getCurrentTokenColumn() - 2;\n        var value = token.value;\n        \n        while (true) {\n        \n            while (valueIndex >= 0) {\n                var chr = value.charAt(valueIndex);\n                if (chr == openBracket) {\n                    depth -= 1;\n                    if (depth == 0) {\n                        return {row: iterator.getCurrentTokenRow(),\n                            column: valueIndex + iterator.getCurrentTokenColumn()};\n                    }\n                }\n                else if (chr == bracket) {\n                    depth += 1;\n                }\n                valueIndex -= 1;\n            }\n            do {\n                token = iterator.stepBackward();\n            } while (token && !typeRe.test(token.type));\n\n            if (token == null)\n                break;\n                \n            value = token.value;\n            valueIndex = value.length - 1;\n        }\n        \n        return null;\n    };\n\n    this.$findClosingBracket = function(bracket, position, typeRe) {\n        var closingBracket = this.$brackets[bracket];\n        var depth = 1;\n\n        var iterator = new TokenIterator(this, position.row, position.column);\n        var token = iterator.getCurrentToken();\n        if (!token)\n            token = iterator.stepForward();\n        if (!token)\n            return;\n\n        if (!typeRe){\n            typeRe = new RegExp(\n                \"(\\\\.?\" +\n                token.type.replace(\".\", \"\\\\.\").replace(\"lparen\", \".paren\")\n                    .replace(/\\b(?:start|begin)\\b/, \"(?:start|begin|end)\")\n                + \")+\"\n            );\n        }\n        var valueIndex = position.column - iterator.getCurrentTokenColumn();\n\n        while (true) {\n\n            var value = token.value;\n            var valueLength = value.length;\n            while (valueIndex < valueLength) {\n                var chr = value.charAt(valueIndex);\n                if (chr == closingBracket) {\n                    depth -= 1;\n                    if (depth == 0) {\n                        return {row: iterator.getCurrentTokenRow(),\n                            column: valueIndex + iterator.getCurrentTokenColumn()};\n                    }\n                }\n                else if (chr == bracket) {\n                    depth += 1;\n                }\n                valueIndex += 1;\n            }\n            do {\n                token = iterator.stepForward();\n            } while (token && !typeRe.test(token.type));\n\n            if (token == null)\n                break;\n\n            valueIndex = 0;\n        }\n        \n        return null;\n    };\n}\nexports.BracketMatch = BracketMatch;\n\n});\n\nace.define(\"ace/edit_session\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/lang\",\"ace/bidihandler\",\"ace/config\",\"ace/lib/event_emitter\",\"ace/selection\",\"ace/mode/text\",\"ace/range\",\"ace/document\",\"ace/background_tokenizer\",\"ace/search_highlight\",\"ace/edit_session/folding\",\"ace/edit_session/bracket_match\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar lang = require(\"./lib/lang\");\nvar BidiHandler = require(\"./bidihandler\").BidiHandler;\nvar config = require(\"./config\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar Selection = require(\"./selection\").Selection;\nvar TextMode = require(\"./mode/text\").Mode;\nvar Range = require(\"./range\").Range;\nvar Document = require(\"./document\").Document;\nvar BackgroundTokenizer = require(\"./background_tokenizer\").BackgroundTokenizer;\nvar SearchHighlight = require(\"./search_highlight\").SearchHighlight;\n\nvar EditSession = function(text, mode) {\n    this.$breakpoints = [];\n    this.$decorations = [];\n    this.$frontMarkers = {};\n    this.$backMarkers = {};\n    this.$markerId = 1;\n    this.$undoSelect = true;\n\n    this.$foldData = [];\n    this.id = \"session\" + (++EditSession.$uid);\n    this.$foldData.toString = function() {\n        return this.join(\"\\n\");\n    };\n    this.on(\"changeFold\", this.onChangeFold.bind(this));\n    this.$onChange = this.onChange.bind(this);\n\n    if (typeof text != \"object\" || !text.getLine)\n        text = new Document(text);\n\n    this.setDocument(text);\n    this.selection = new Selection(this);\n    this.$bidiHandler = new BidiHandler(this);\n\n    config.resetOptions(this);\n    this.setMode(mode);\n    config._signal(\"session\", this);\n};\n\n\nEditSession.$uid = 0;\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n    this.setDocument = function(doc) {\n        if (this.doc)\n            this.doc.removeListener(\"change\", this.$onChange);\n\n        this.doc = doc;\n        doc.on(\"change\", this.$onChange);\n\n        if (this.bgTokenizer)\n            this.bgTokenizer.setDocument(this.getDocument());\n\n        this.resetCaches();\n    };\n    this.getDocument = function() {\n        return this.doc;\n    };\n    this.$resetRowCache = function(docRow) {\n        if (!docRow) {\n            this.$docRowCache = [];\n            this.$screenRowCache = [];\n            return;\n        }\n        var l = this.$docRowCache.length;\n        var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;\n        if (l > i) {\n            this.$docRowCache.splice(i, l);\n            this.$screenRowCache.splice(i, l);\n        }\n    };\n\n    this.$getRowCacheIndex = function(cacheArray, val) {\n        var low = 0;\n        var hi = cacheArray.length - 1;\n\n        while (low <= hi) {\n            var mid = (low + hi) >> 1;\n            var c = cacheArray[mid];\n\n            if (val > c)\n                low = mid + 1;\n            else if (val < c)\n                hi = mid - 1;\n            else\n                return mid;\n        }\n\n        return low -1;\n    };\n\n    this.resetCaches = function() {\n        this.$modified = true;\n        this.$wrapData = [];\n        this.$rowLengthCache = [];\n        this.$resetRowCache(0);\n        if (this.bgTokenizer)\n            this.bgTokenizer.start(0);\n    };\n\n    this.onChangeFold = function(e) {\n        var fold = e.data;\n        this.$resetRowCache(fold.start.row);\n    };\n\n    this.onChange = function(delta) {\n        this.$modified = true;\n        this.$bidiHandler.onChange(delta);\n        this.$resetRowCache(delta.start.row);\n\n        var removedFolds = this.$updateInternalDataOnChange(delta);\n        if (!this.$fromUndo && this.$undoManager) {\n            if (removedFolds && removedFolds.length) {\n                this.$undoManager.add({\n                    action: \"removeFolds\",\n                    folds:  removedFolds\n                }, this.mergeUndoDeltas);\n                this.mergeUndoDeltas = true;\n            }\n            this.$undoManager.add(delta, this.mergeUndoDeltas);\n            this.mergeUndoDeltas = true;\n            \n            this.$informUndoManager.schedule();\n        }\n\n        this.bgTokenizer && this.bgTokenizer.$updateOnChange(delta);\n        this._signal(\"change\", delta);\n    };\n    this.setValue = function(text) {\n        this.doc.setValue(text);\n        this.selection.moveTo(0, 0);\n\n        this.$resetRowCache(0);\n        this.setUndoManager(this.$undoManager);\n        this.getUndoManager().reset();\n    };\n    this.getValue =\n    this.toString = function() {\n        return this.doc.getValue();\n    };\n    this.getSelection = function() {\n        return this.selection;\n    };\n    this.getState = function(row) {\n        return this.bgTokenizer.getState(row);\n    };\n    this.getTokens = function(row) {\n        return this.bgTokenizer.getTokens(row);\n    };\n    this.getTokenAt = function(row, column) {\n        var tokens = this.bgTokenizer.getTokens(row);\n        var token, c = 0;\n        if (column == null) {\n            var i = tokens.length - 1;\n            c = this.getLine(row).length;\n        } else {\n            for (var i = 0; i < tokens.length; i++) {\n                c += tokens[i].value.length;\n                if (c >= column)\n                    break;\n            }\n        }\n        token = tokens[i];\n        if (!token)\n            return null;\n        token.index = i;\n        token.start = c - token.value.length;\n        return token;\n    };\n    this.setUndoManager = function(undoManager) {\n        this.$undoManager = undoManager;\n        \n        if (this.$informUndoManager)\n            this.$informUndoManager.cancel();\n        \n        if (undoManager) {\n            var self = this;\n            undoManager.addSession(this);\n            this.$syncInformUndoManager = function() {\n                self.$informUndoManager.cancel();\n                self.mergeUndoDeltas = false;\n            };\n            this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);\n        } else {\n            this.$syncInformUndoManager = function() {};\n        }\n    };\n    this.markUndoGroup = function() {\n        if (this.$syncInformUndoManager)\n            this.$syncInformUndoManager();\n    };\n    \n    this.$defaultUndoManager = {\n        undo: function() {},\n        redo: function() {},\n        hasUndo: function() {},\n        hasRedo: function() {},\n        reset: function() {},\n        add: function() {},\n        addSelection: function() {},\n        startNewGroup: function() {},\n        addSession: function() {}\n    };\n    this.getUndoManager = function() {\n        return this.$undoManager || this.$defaultUndoManager;\n    };\n    this.getTabString = function() {\n        if (this.getUseSoftTabs()) {\n            return lang.stringRepeat(\" \", this.getTabSize());\n        } else {\n            return \"\\t\";\n        }\n    };\n    this.setUseSoftTabs = function(val) {\n        this.setOption(\"useSoftTabs\", val);\n    };\n    this.getUseSoftTabs = function() {\n        return this.$useSoftTabs && !this.$mode.$indentWithTabs;\n    };\n    this.setTabSize = function(tabSize) {\n        this.setOption(\"tabSize\", tabSize);\n    };\n    this.getTabSize = function() {\n        return this.$tabSize;\n    };\n    this.isTabStop = function(position) {\n        return this.$useSoftTabs && (position.column % this.$tabSize === 0);\n    };\n    this.setNavigateWithinSoftTabs = function (navigateWithinSoftTabs) {\n        this.setOption(\"navigateWithinSoftTabs\", navigateWithinSoftTabs);\n    };\n    this.getNavigateWithinSoftTabs = function() {\n        return this.$navigateWithinSoftTabs;\n    };\n\n    this.$overwrite = false;\n    this.setOverwrite = function(overwrite) {\n        this.setOption(\"overwrite\", overwrite);\n    };\n    this.getOverwrite = function() {\n        return this.$overwrite;\n    };\n    this.toggleOverwrite = function() {\n        this.setOverwrite(!this.$overwrite);\n    };\n    this.addGutterDecoration = function(row, className) {\n        if (!this.$decorations[row])\n            this.$decorations[row] = \"\";\n        this.$decorations[row] += \" \" + className;\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.removeGutterDecoration = function(row, className) {\n        this.$decorations[row] = (this.$decorations[row] || \"\").replace(\" \" + className, \"\");\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.getBreakpoints = function() {\n        return this.$breakpoints;\n    };\n    this.setBreakpoints = function(rows) {\n        this.$breakpoints = [];\n        for (var i=0; i<rows.length; i++) {\n            this.$breakpoints[rows[i]] = \"ace_breakpoint\";\n        }\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.clearBreakpoints = function() {\n        this.$breakpoints = [];\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.setBreakpoint = function(row, className) {\n        if (className === undefined)\n            className = \"ace_breakpoint\";\n        if (className)\n            this.$breakpoints[row] = className;\n        else\n            delete this.$breakpoints[row];\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.clearBreakpoint = function(row) {\n        delete this.$breakpoints[row];\n        this._signal(\"changeBreakpoint\", {});\n    };\n    this.addMarker = function(range, clazz, type, inFront) {\n        var id = this.$markerId++;\n\n        var marker = {\n            range : range,\n            type : type || \"line\",\n            renderer: typeof type == \"function\" ? type : null,\n            clazz : clazz,\n            inFront: !!inFront,\n            id: id\n        };\n\n        if (inFront) {\n            this.$frontMarkers[id] = marker;\n            this._signal(\"changeFrontMarker\");\n        } else {\n            this.$backMarkers[id] = marker;\n            this._signal(\"changeBackMarker\");\n        }\n\n        return id;\n    };\n    this.addDynamicMarker = function(marker, inFront) {\n        if (!marker.update)\n            return;\n        var id = this.$markerId++;\n        marker.id = id;\n        marker.inFront = !!inFront;\n\n        if (inFront) {\n            this.$frontMarkers[id] = marker;\n            this._signal(\"changeFrontMarker\");\n        } else {\n            this.$backMarkers[id] = marker;\n            this._signal(\"changeBackMarker\");\n        }\n\n        return marker;\n    };\n    this.removeMarker = function(markerId) {\n        var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];\n        if (!marker)\n            return;\n\n        var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;\n        delete (markers[markerId]);\n        this._signal(marker.inFront ? \"changeFrontMarker\" : \"changeBackMarker\");\n    };\n    this.getMarkers = function(inFront) {\n        return inFront ? this.$frontMarkers : this.$backMarkers;\n    };\n\n    this.highlight = function(re) {\n        if (!this.$searchHighlight) {\n            var highlight = new SearchHighlight(null, \"ace_selected-word\", \"text\");\n            this.$searchHighlight = this.addDynamicMarker(highlight);\n        }\n        this.$searchHighlight.setRegexp(re);\n    };\n    this.highlightLines = function(startRow, endRow, clazz, inFront) {\n        if (typeof endRow != \"number\") {\n            clazz = endRow;\n            endRow = startRow;\n        }\n        if (!clazz)\n            clazz = \"ace_step\";\n\n        var range = new Range(startRow, 0, endRow, Infinity);\n        range.id = this.addMarker(range, clazz, \"fullLine\", inFront);\n        return range;\n    };\n    this.setAnnotations = function(annotations) {\n        this.$annotations = annotations;\n        this._signal(\"changeAnnotation\", {});\n    };\n    this.getAnnotations = function() {\n        return this.$annotations || [];\n    };\n    this.clearAnnotations = function() {\n        this.setAnnotations([]);\n    };\n    this.$detectNewLine = function(text) {\n        var match = text.match(/^.*?(\\r?\\n)/m);\n        if (match) {\n            this.$autoNewLine = match[1];\n        } else {\n            this.$autoNewLine = \"\\n\";\n        }\n    };\n    this.getWordRange = function(row, column) {\n        var line = this.getLine(row);\n\n        var inToken = false;\n        if (column > 0)\n            inToken = !!line.charAt(column - 1).match(this.tokenRe);\n\n        if (!inToken)\n            inToken = !!line.charAt(column).match(this.tokenRe);\n\n        if (inToken)\n            var re = this.tokenRe;\n        else if (/^\\s+$/.test(line.slice(column-1, column+1)))\n            var re = /\\s/;\n        else\n            var re = this.nonTokenRe;\n\n        var start = column;\n        if (start > 0) {\n            do {\n                start--;\n            }\n            while (start >= 0 && line.charAt(start).match(re));\n            start++;\n        }\n\n        var end = column;\n        while (end < line.length && line.charAt(end).match(re)) {\n            end++;\n        }\n\n        return new Range(row, start, row, end);\n    };\n    this.getAWordRange = function(row, column) {\n        var wordRange = this.getWordRange(row, column);\n        var line = this.getLine(wordRange.end.row);\n\n        while (line.charAt(wordRange.end.column).match(/[ \\t]/)) {\n            wordRange.end.column += 1;\n        }\n        return wordRange;\n    };\n    this.setNewLineMode = function(newLineMode) {\n        this.doc.setNewLineMode(newLineMode);\n    };\n    this.getNewLineMode = function() {\n        return this.doc.getNewLineMode();\n    };\n    this.setUseWorker = function(useWorker) { this.setOption(\"useWorker\", useWorker); };\n    this.getUseWorker = function() { return this.$useWorker; };\n    this.onReloadTokenizer = function(e) {\n        var rows = e.data;\n        this.bgTokenizer.start(rows.first);\n        this._signal(\"tokenizerUpdate\", e);\n    };\n\n    this.$modes = config.$modes;\n    this.$mode = null;\n    this.$modeId = null;\n    this.setMode = function(mode, cb) {\n        if (mode && typeof mode === \"object\") {\n            if (mode.getTokenizer)\n                return this.$onChangeMode(mode);\n            var options = mode;\n            var path = options.path;\n        } else {\n            path = mode || \"ace/mode/text\";\n        }\n        if (!this.$modes[\"ace/mode/text\"])\n            this.$modes[\"ace/mode/text\"] = new TextMode();\n\n        if (this.$modes[path] && !options) {\n            this.$onChangeMode(this.$modes[path]);\n            cb && cb();\n            return;\n        }\n        this.$modeId = path;\n        config.loadModule([\"mode\", path], function(m) {\n            if (this.$modeId !== path)\n                return cb && cb();\n            if (this.$modes[path] && !options) {\n                this.$onChangeMode(this.$modes[path]);\n            } else if (m && m.Mode) {\n                m = new m.Mode(options);\n                if (!options) {\n                    this.$modes[path] = m;\n                    m.$id = path;\n                }\n                this.$onChangeMode(m);\n            }\n            cb && cb();\n        }.bind(this));\n        if (!this.$mode)\n            this.$onChangeMode(this.$modes[\"ace/mode/text\"], true);\n    };\n\n    this.$onChangeMode = function(mode, $isPlaceholder) {\n        if (!$isPlaceholder)\n            this.$modeId = mode.$id;\n        if (this.$mode === mode) \n            return;\n            \n        var oldMode = this.$mode;\n        this.$mode = mode;\n\n        this.$stopWorker();\n\n        if (this.$useWorker)\n            this.$startWorker();\n\n        var tokenizer = mode.getTokenizer();\n\n        if(tokenizer.on !== undefined) {\n            var onReloadTokenizer = this.onReloadTokenizer.bind(this);\n            tokenizer.on(\"update\", onReloadTokenizer);\n        }\n\n        if (!this.bgTokenizer) {\n            this.bgTokenizer = new BackgroundTokenizer(tokenizer);\n            var _self = this;\n            this.bgTokenizer.on(\"update\", function(e) {\n                _self._signal(\"tokenizerUpdate\", e);\n            });\n        } else {\n            this.bgTokenizer.setTokenizer(tokenizer);\n        }\n\n        this.bgTokenizer.setDocument(this.getDocument());\n\n        this.tokenRe = mode.tokenRe;\n        this.nonTokenRe = mode.nonTokenRe;\n\n        \n        if (!$isPlaceholder) {\n            if (mode.attachToSession)\n                mode.attachToSession(this);\n            this.$options.wrapMethod.set.call(this, this.$wrapMethod);\n            this.$setFolding(mode.foldingRules);\n            this.bgTokenizer.start(0);\n            this._emit(\"changeMode\", {oldMode: oldMode, mode: mode});\n        }\n    };\n\n    this.$stopWorker = function() {\n        if (this.$worker) {\n            this.$worker.terminate();\n            this.$worker = null;\n        }\n    };\n\n    this.$startWorker = function() {\n        try {\n            this.$worker = this.$mode.createWorker(this);\n        } catch (e) {\n            config.warn(\"Could not load worker\", e);\n            this.$worker = null;\n        }\n    };\n    this.getMode = function() {\n        return this.$mode;\n    };\n\n    this.$scrollTop = 0;\n    this.setScrollTop = function(scrollTop) {\n        if (this.$scrollTop === scrollTop || isNaN(scrollTop))\n            return;\n\n        this.$scrollTop = scrollTop;\n        this._signal(\"changeScrollTop\", scrollTop);\n    };\n    this.getScrollTop = function() {\n        return this.$scrollTop;\n    };\n\n    this.$scrollLeft = 0;\n    this.setScrollLeft = function(scrollLeft) {\n        if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))\n            return;\n\n        this.$scrollLeft = scrollLeft;\n        this._signal(\"changeScrollLeft\", scrollLeft);\n    };\n    this.getScrollLeft = function() {\n        return this.$scrollLeft;\n    };\n    this.getScreenWidth = function() {\n        this.$computeWidth();\n        if (this.lineWidgets) \n            return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);\n        return this.screenWidth;\n    };\n    \n    this.getLineWidgetMaxWidth = function() {\n        if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;\n        var width = 0;\n        this.lineWidgets.forEach(function(w) {\n            if (w && w.screenWidth > width)\n                width = w.screenWidth;\n        });\n        return this.lineWidgetWidth = width;\n    };\n\n    this.$computeWidth = function(force) {\n        if (this.$modified || force) {\n            this.$modified = false;\n\n            if (this.$useWrapMode)\n                return this.screenWidth = this.$wrapLimit;\n\n            var lines = this.doc.getAllLines();\n            var cache = this.$rowLengthCache;\n            var longestScreenLine = 0;\n            var foldIndex = 0;\n            var foldLine = this.$foldData[foldIndex];\n            var foldStart = foldLine ? foldLine.start.row : Infinity;\n            var len = lines.length;\n\n            for (var i = 0; i < len; i++) {\n                if (i > foldStart) {\n                    i = foldLine.end.row + 1;\n                    if (i >= len)\n                        break;\n                    foldLine = this.$foldData[foldIndex++];\n                    foldStart = foldLine ? foldLine.start.row : Infinity;\n                }\n\n                if (cache[i] == null)\n                    cache[i] = this.$getStringScreenWidth(lines[i])[0];\n\n                if (cache[i] > longestScreenLine)\n                    longestScreenLine = cache[i];\n            }\n            this.screenWidth = longestScreenLine;\n        }\n    };\n    this.getLine = function(row) {\n        return this.doc.getLine(row);\n    };\n    this.getLines = function(firstRow, lastRow) {\n        return this.doc.getLines(firstRow, lastRow);\n    };\n    this.getLength = function() {\n        return this.doc.getLength();\n    };\n    this.getTextRange = function(range) {\n        return this.doc.getTextRange(range || this.selection.getRange());\n    };\n    this.insert = function(position, text) {\n        return this.doc.insert(position, text);\n    };\n    this.remove = function(range) {\n        return this.doc.remove(range);\n    };\n    this.removeFullLines = function(firstRow, lastRow){\n        return this.doc.removeFullLines(firstRow, lastRow);\n    };\n    this.undoChanges = function(deltas, dontSelect) {\n        if (!deltas.length)\n            return;\n\n        this.$fromUndo = true;\n        for (var i = deltas.length - 1; i != -1; i--) {\n            var delta = deltas[i];\n            if (delta.action == \"insert\" || delta.action == \"remove\") {\n                this.doc.revertDelta(delta);\n            } else if (delta.folds) {\n                this.addFolds(delta.folds);\n            }\n        }\n        if (!dontSelect && this.$undoSelect) {\n            if (deltas.selectionBefore)\n                this.selection.fromJSON(deltas.selectionBefore);\n            else\n                this.selection.setRange(this.$getUndoSelection(deltas, true));\n        }\n        this.$fromUndo = false;\n    };\n    this.redoChanges = function(deltas, dontSelect) {\n        if (!deltas.length)\n            return;\n\n        this.$fromUndo = true;\n        for (var i = 0; i < deltas.length; i++) {\n            var delta = deltas[i];\n            if (delta.action == \"insert\" || delta.action == \"remove\") {\n                this.doc.$safeApplyDelta(delta);\n            }\n        }\n\n        if (!dontSelect && this.$undoSelect) {\n            if (deltas.selectionAfter)\n                this.selection.fromJSON(deltas.selectionAfter);\n            else\n                this.selection.setRange(this.$getUndoSelection(deltas, false));\n        }\n        this.$fromUndo = false;\n    };\n    this.setUndoSelect = function(enable) {\n        this.$undoSelect = enable;\n    };\n\n    this.$getUndoSelection = function(deltas, isUndo) {\n        function isInsert(delta) {\n            return isUndo ? delta.action !== \"insert\" : delta.action === \"insert\";\n        }\n\n        var range, point;\n\n        for (var i = 0; i < deltas.length; i++) {\n            var delta = deltas[i];\n            if (!delta.start) continue; // skip folds\n            if (!range) {\n                if (isInsert(delta)) {\n                    range = Range.fromPoints(delta.start, delta.end);\n                } else {\n                    range = Range.fromPoints(delta.start, delta.start);\n                }\n                continue;\n            }\n            \n            if (isInsert(delta)) {\n                point = delta.start;\n                if (range.compare(point.row, point.column) == -1) {\n                    range.setStart(point);\n                }\n                point = delta.end;\n                if (range.compare(point.row, point.column) == 1) {\n                    range.setEnd(point);\n                }\n            } else {\n                point = delta.start;\n                if (range.compare(point.row, point.column) == -1) {\n                    range = Range.fromPoints(delta.start, delta.start);\n                }\n            }\n        }\n        return range;\n    };\n    this.replace = function(range, text) {\n        return this.doc.replace(range, text);\n    };\n    this.moveText = function(fromRange, toPosition, copy) {\n        var text = this.getTextRange(fromRange);\n        var folds = this.getFoldsInRange(fromRange);\n\n        var toRange = Range.fromPoints(toPosition, toPosition);\n        if (!copy) {\n            this.remove(fromRange);\n            var rowDiff = fromRange.start.row - fromRange.end.row;\n            var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;\n            if (collDiff) {\n                if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)\n                    toRange.start.column += collDiff;\n                if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)\n                    toRange.end.column += collDiff;\n            }\n            if (rowDiff && toRange.start.row >= fromRange.end.row) {\n                toRange.start.row += rowDiff;\n                toRange.end.row += rowDiff;\n            }\n        }\n\n        toRange.end = this.insert(toRange.start, text);\n        if (folds.length) {\n            var oldStart = fromRange.start;\n            var newStart = toRange.start;\n            var rowDiff = newStart.row - oldStart.row;\n            var collDiff = newStart.column - oldStart.column;\n            this.addFolds(folds.map(function(x) {\n                x = x.clone();\n                if (x.start.row == oldStart.row)\n                    x.start.column += collDiff;\n                if (x.end.row == oldStart.row)\n                    x.end.column += collDiff;\n                x.start.row += rowDiff;\n                x.end.row += rowDiff;\n                return x;\n            }));\n        }\n\n        return toRange;\n    };\n    this.indentRows = function(startRow, endRow, indentString) {\n        indentString = indentString.replace(/\\t/g, this.getTabString());\n        for (var row=startRow; row<=endRow; row++)\n            this.doc.insertInLine({row: row, column: 0}, indentString);\n    };\n    this.outdentRows = function (range) {\n        var rowRange = range.collapseRows();\n        var deleteRange = new Range(0, 0, 0, 0);\n        var size = this.getTabSize();\n\n        for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {\n            var line = this.getLine(i);\n\n            deleteRange.start.row = i;\n            deleteRange.end.row = i;\n            for (var j = 0; j < size; ++j)\n                if (line.charAt(j) != ' ')\n                    break;\n            if (j < size && line.charAt(j) == '\\t') {\n                deleteRange.start.column = j;\n                deleteRange.end.column = j + 1;\n            } else {\n                deleteRange.start.column = 0;\n                deleteRange.end.column = j;\n            }\n            this.remove(deleteRange);\n        }\n    };\n\n    this.$moveLines = function(firstRow, lastRow, dir) {\n        firstRow = this.getRowFoldStart(firstRow);\n        lastRow = this.getRowFoldEnd(lastRow);\n        if (dir < 0) {\n            var row = this.getRowFoldStart(firstRow + dir);\n            if (row < 0) return 0;\n            var diff = row-firstRow;\n        } else if (dir > 0) {\n            var row = this.getRowFoldEnd(lastRow + dir);\n            if (row > this.doc.getLength()-1) return 0;\n            var diff = row-lastRow;\n        } else {\n            firstRow = this.$clipRowToDocument(firstRow);\n            lastRow = this.$clipRowToDocument(lastRow);\n            var diff = lastRow - firstRow + 1;\n        }\n\n        var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);\n        var folds = this.getFoldsInRange(range).map(function(x){\n            x = x.clone();\n            x.start.row += diff;\n            x.end.row += diff;\n            return x;\n        });\n        \n        var lines = dir == 0\n            ? this.doc.getLines(firstRow, lastRow)\n            : this.doc.removeFullLines(firstRow, lastRow);\n        this.doc.insertFullLines(firstRow+diff, lines);\n        folds.length && this.addFolds(folds);\n        return diff;\n    };\n    this.moveLinesUp = function(firstRow, lastRow) {\n        return this.$moveLines(firstRow, lastRow, -1);\n    };\n    this.moveLinesDown = function(firstRow, lastRow) {\n        return this.$moveLines(firstRow, lastRow, 1);\n    };\n    this.duplicateLines = function(firstRow, lastRow) {\n        return this.$moveLines(firstRow, lastRow, 0);\n    };\n\n\n    this.$clipRowToDocument = function(row) {\n        return Math.max(0, Math.min(row, this.doc.getLength()-1));\n    };\n\n    this.$clipColumnToRow = function(row, column) {\n        if (column < 0)\n            return 0;\n        return Math.min(this.doc.getLine(row).length, column);\n    };\n\n\n    this.$clipPositionToDocument = function(row, column) {\n        column = Math.max(0, column);\n\n        if (row < 0) {\n            row = 0;\n            column = 0;\n        } else {\n            var len = this.doc.getLength();\n            if (row >= len) {\n                row = len - 1;\n                column = this.doc.getLine(len-1).length;\n            } else {\n                column = Math.min(this.doc.getLine(row).length, column);\n            }\n        }\n\n        return {\n            row: row,\n            column: column\n        };\n    };\n\n    this.$clipRangeToDocument = function(range) {\n        if (range.start.row < 0) {\n            range.start.row = 0;\n            range.start.column = 0;\n        } else {\n            range.start.column = this.$clipColumnToRow(\n                range.start.row,\n                range.start.column\n            );\n        }\n\n        var len = this.doc.getLength() - 1;\n        if (range.end.row > len) {\n            range.end.row = len;\n            range.end.column = this.doc.getLine(len).length;\n        } else {\n            range.end.column = this.$clipColumnToRow(\n                range.end.row,\n                range.end.column\n            );\n        }\n        return range;\n    };\n    this.$wrapLimit = 80;\n    this.$useWrapMode = false;\n    this.$wrapLimitRange = {\n        min : null,\n        max : null\n    };\n    this.setUseWrapMode = function(useWrapMode) {\n        if (useWrapMode != this.$useWrapMode) {\n            this.$useWrapMode = useWrapMode;\n            this.$modified = true;\n            this.$resetRowCache(0);\n            if (useWrapMode) {\n                var len = this.getLength();\n                this.$wrapData = Array(len);\n                this.$updateWrapData(0, len - 1);\n            }\n\n            this._signal(\"changeWrapMode\");\n        }\n    };\n    this.getUseWrapMode = function() {\n        return this.$useWrapMode;\n    };\n    this.setWrapLimitRange = function(min, max) {\n        if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {\n            this.$wrapLimitRange = { min: min, max: max };\n            this.$modified = true;\n            this.$bidiHandler.markAsDirty();\n            if (this.$useWrapMode)\n                this._signal(\"changeWrapMode\");\n        }\n    };\n    this.adjustWrapLimit = function(desiredLimit, $printMargin) {\n        var limits = this.$wrapLimitRange;\n        if (limits.max < 0)\n            limits = {min: $printMargin, max: $printMargin};\n        var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);\n        if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {\n            this.$wrapLimit = wrapLimit;\n            this.$modified = true;\n            if (this.$useWrapMode) {\n                this.$updateWrapData(0, this.getLength() - 1);\n                this.$resetRowCache(0);\n                this._signal(\"changeWrapLimit\");\n            }\n            return true;\n        }\n        return false;\n    };\n\n    this.$constrainWrapLimit = function(wrapLimit, min, max) {\n        if (min)\n            wrapLimit = Math.max(min, wrapLimit);\n\n        if (max)\n            wrapLimit = Math.min(max, wrapLimit);\n\n        return wrapLimit;\n    };\n    this.getWrapLimit = function() {\n        return this.$wrapLimit;\n    };\n    this.setWrapLimit = function (limit) {\n        this.setWrapLimitRange(limit, limit);\n    };\n    this.getWrapLimitRange = function() {\n        return {\n            min : this.$wrapLimitRange.min,\n            max : this.$wrapLimitRange.max\n        };\n    };\n\n    this.$updateInternalDataOnChange = function(delta) {\n        var useWrapMode = this.$useWrapMode;\n        var action = delta.action;\n        var start = delta.start;\n        var end = delta.end;\n        var firstRow = start.row;\n        var lastRow = end.row;\n        var len = lastRow - firstRow;\n        var removedFolds = null;\n        \n        this.$updating = true;\n        if (len != 0) {\n            if (action === \"remove\") {\n                this[useWrapMode ? \"$wrapData\" : \"$rowLengthCache\"].splice(firstRow, len);\n\n                var foldLines = this.$foldData;\n                removedFolds = this.getFoldsInRange(delta);\n                this.removeFolds(removedFolds);\n\n                var foldLine = this.getFoldLine(end.row);\n                var idx = 0;\n                if (foldLine) {\n                    foldLine.addRemoveChars(end.row, end.column, start.column - end.column);\n                    foldLine.shiftRow(-len);\n\n                    var foldLineBefore = this.getFoldLine(firstRow);\n                    if (foldLineBefore && foldLineBefore !== foldLine) {\n                        foldLineBefore.merge(foldLine);\n                        foldLine = foldLineBefore;\n                    }\n                    idx = foldLines.indexOf(foldLine) + 1;\n                }\n\n                for (idx; idx < foldLines.length; idx++) {\n                    var foldLine = foldLines[idx];\n                    if (foldLine.start.row >= end.row) {\n                        foldLine.shiftRow(-len);\n                    }\n                }\n\n                lastRow = firstRow;\n            } else {\n                var args = Array(len);\n                args.unshift(firstRow, 0);\n                var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache;\n                arr.splice.apply(arr, args);\n                var foldLines = this.$foldData;\n                var foldLine = this.getFoldLine(firstRow);\n                var idx = 0;\n                if (foldLine) {\n                    var cmp = foldLine.range.compareInside(start.row, start.column);\n                    if (cmp == 0) {\n                        foldLine = foldLine.split(start.row, start.column);\n                        if (foldLine) {\n                            foldLine.shiftRow(len);\n                            foldLine.addRemoveChars(lastRow, 0, end.column - start.column);\n                        }\n                    } else\n                    if (cmp == -1) {\n                        foldLine.addRemoveChars(firstRow, 0, end.column - start.column);\n                        foldLine.shiftRow(len);\n                    }\n                    idx = foldLines.indexOf(foldLine) + 1;\n                }\n\n                for (idx; idx < foldLines.length; idx++) {\n                    var foldLine = foldLines[idx];\n                    if (foldLine.start.row >= firstRow) {\n                        foldLine.shiftRow(len);\n                    }\n                }\n            }\n        } else {\n            len = Math.abs(delta.start.column - delta.end.column);\n            if (action === \"remove\") {\n                removedFolds = this.getFoldsInRange(delta);\n                this.removeFolds(removedFolds);\n\n                len = -len;\n            }\n            var foldLine = this.getFoldLine(firstRow);\n            if (foldLine) {\n                foldLine.addRemoveChars(firstRow, start.column, len);\n            }\n        }\n\n        if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {\n            console.error(\"doc.getLength() and $wrapData.length have to be the same!\");\n        }\n        this.$updating = false;\n\n        if (useWrapMode)\n            this.$updateWrapData(firstRow, lastRow);\n        else\n            this.$updateRowLengthCache(firstRow, lastRow);\n\n        return removedFolds;\n    };\n\n    this.$updateRowLengthCache = function(firstRow, lastRow, b) {\n        this.$rowLengthCache[firstRow] = null;\n        this.$rowLengthCache[lastRow] = null;\n    };\n\n    this.$updateWrapData = function(firstRow, lastRow) {\n        var lines = this.doc.getAllLines();\n        var tabSize = this.getTabSize();\n        var wrapData = this.$wrapData;\n        var wrapLimit = this.$wrapLimit;\n        var tokens;\n        var foldLine;\n\n        var row = firstRow;\n        lastRow = Math.min(lastRow, lines.length - 1);\n        while (row <= lastRow) {\n            foldLine = this.getFoldLine(row, foldLine);\n            if (!foldLine) {\n                tokens = this.$getDisplayTokens(lines[row]);\n                wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);\n                row ++;\n            } else {\n                tokens = [];\n                foldLine.walk(function(placeholder, row, column, lastColumn) {\n                        var walkTokens;\n                        if (placeholder != null) {\n                            walkTokens = this.$getDisplayTokens(\n                                            placeholder, tokens.length);\n                            walkTokens[0] = PLACEHOLDER_START;\n                            for (var i = 1; i < walkTokens.length; i++) {\n                                walkTokens[i] = PLACEHOLDER_BODY;\n                            }\n                        } else {\n                            walkTokens = this.$getDisplayTokens(\n                                lines[row].substring(lastColumn, column),\n                                tokens.length);\n                        }\n                        tokens = tokens.concat(walkTokens);\n                    }.bind(this),\n                    foldLine.end.row,\n                    lines[foldLine.end.row].length + 1\n                );\n\n                wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);\n                row = foldLine.end.row + 1;\n            }\n        }\n    };\n    var CHAR = 1,\n        CHAR_EXT = 2,\n        PLACEHOLDER_START = 3,\n        PLACEHOLDER_BODY =  4,\n        PUNCTUATION = 9,\n        SPACE = 10,\n        TAB = 11,\n        TAB_SPACE = 12;\n\n\n    this.$computeWrapSplits = function(tokens, wrapLimit, tabSize) {\n        if (tokens.length == 0) {\n            return [];\n        }\n\n        var splits = [];\n        var displayLength = tokens.length;\n        var lastSplit = 0, lastDocSplit = 0;\n\n        var isCode = this.$wrapAsCode;\n\n        var indentedSoftWrap = this.$indentedSoftWrap;\n        var maxIndent = wrapLimit <= Math.max(2 * tabSize, 8)\n            || indentedSoftWrap === false ? 0 : Math.floor(wrapLimit / 2);\n\n        function getWrapIndent() {\n            var indentation = 0;\n            if (maxIndent === 0)\n                return indentation;\n            if (indentedSoftWrap) {\n                for (var i = 0; i < tokens.length; i++) {\n                    var token = tokens[i];\n                    if (token == SPACE)\n                        indentation += 1;\n                    else if (token == TAB)\n                        indentation += tabSize;\n                    else if (token == TAB_SPACE)\n                        continue;\n                    else\n                        break;\n                }\n            }\n            if (isCode && indentedSoftWrap !== false)\n                indentation += tabSize;\n            return Math.min(indentation, maxIndent);\n        }\n        function addSplit(screenPos) {\n            var len = screenPos - lastSplit;\n            for (var i = lastSplit; i < screenPos; i++) {\n                var ch = tokens[i];\n                if (ch === 12 || ch === 2) len -= 1;\n            }\n\n            if (!splits.length) {\n                indent = getWrapIndent();\n                splits.indent = indent;\n            }\n            lastDocSplit += len;\n            splits.push(lastDocSplit);\n            lastSplit = screenPos;\n        }\n        var indent = 0;\n        while (displayLength - lastSplit > wrapLimit - indent) {\n            var split = lastSplit + wrapLimit - indent;\n            if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {\n                addSplit(split);\n                continue;\n            }\n            if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {\n                for (split; split != lastSplit - 1; split--) {\n                    if (tokens[split] == PLACEHOLDER_START) {\n                        break;\n                    }\n                }\n                if (split > lastSplit) {\n                    addSplit(split);\n                    continue;\n                }\n                split = lastSplit + wrapLimit;\n                for (split; split < tokens.length; split++) {\n                    if (tokens[split] != PLACEHOLDER_BODY) {\n                        break;\n                    }\n                }\n                if (split == tokens.length) {\n                    break;  // Breaks the while-loop.\n                }\n                addSplit(split);\n                continue;\n            }\n            var minSplit = Math.max(split - (wrapLimit -(wrapLimit>>2)), lastSplit - 1);\n            while (split > minSplit && tokens[split] < PLACEHOLDER_START) {\n                split --;\n            }\n            if (isCode) {\n                while (split > minSplit && tokens[split] < PLACEHOLDER_START) {\n                    split --;\n                }\n                while (split > minSplit && tokens[split] == PUNCTUATION) {\n                    split --;\n                }\n            } else {\n                while (split > minSplit && tokens[split] < SPACE) {\n                    split --;\n                }\n            }\n            if (split > minSplit) {\n                addSplit(++split);\n                continue;\n            }\n            split = lastSplit + wrapLimit;\n            if (tokens[split] == CHAR_EXT)\n                split--;\n            addSplit(split - indent);\n        }\n        return splits;\n    };\n    this.$getDisplayTokens = function(str, offset) {\n        var arr = [];\n        var tabSize;\n        offset = offset || 0;\n\n        for (var i = 0; i < str.length; i++) {\n            var c = str.charCodeAt(i);\n            if (c == 9) {\n                tabSize = this.getScreenTabSize(arr.length + offset);\n                arr.push(TAB);\n                for (var n = 1; n < tabSize; n++) {\n                    arr.push(TAB_SPACE);\n                }\n            }\n            else if (c == 32) {\n                arr.push(SPACE);\n            } else if((c > 39 && c < 48) || (c > 57 && c < 64)) {\n                arr.push(PUNCTUATION);\n            }\n            else if (c >= 0x1100 && isFullWidth(c)) {\n                arr.push(CHAR, CHAR_EXT);\n            } else {\n                arr.push(CHAR);\n            }\n        }\n        return arr;\n    };\n    this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {\n        if (maxScreenColumn == 0)\n            return [0, 0];\n        if (maxScreenColumn == null)\n            maxScreenColumn = Infinity;\n        screenColumn = screenColumn || 0;\n\n        var c, column;\n        for (column = 0; column < str.length; column++) {\n            c = str.charCodeAt(column);\n            if (c == 9) {\n                screenColumn += this.getScreenTabSize(screenColumn);\n            }\n            else if (c >= 0x1100 && isFullWidth(c)) {\n                screenColumn += 2;\n            } else {\n                screenColumn += 1;\n            }\n            if (screenColumn > maxScreenColumn) {\n                break;\n            }\n        }\n\n        return [screenColumn, column];\n    };\n\n    this.lineWidgets = null;\n    this.getRowLength = function(row) {\n        var h = 1;\n        if (this.lineWidgets)\n            h += this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;\n        \n        if (!this.$useWrapMode || !this.$wrapData[row])\n            return h;\n        else\n            return this.$wrapData[row].length + h;\n    };\n    this.getRowLineCount = function(row) {\n        if (!this.$useWrapMode || !this.$wrapData[row]) {\n            return 1;\n        } else {\n            return this.$wrapData[row].length + 1;\n        }\n    };\n\n    this.getRowWrapIndent = function(screenRow) {\n        if (this.$useWrapMode) {\n            var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);\n            var splits = this.$wrapData[pos.row];\n            return splits.length && splits[0] < pos.column ? splits.indent : 0;\n        } else {\n            return 0;\n        }\n    };\n    this.getScreenLastRowColumn = function(screenRow) {\n        var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);\n        return this.documentToScreenColumn(pos.row, pos.column);\n    };\n    this.getDocumentLastRowColumn = function(docRow, docColumn) {\n        var screenRow = this.documentToScreenRow(docRow, docColumn);\n        return this.getScreenLastRowColumn(screenRow);\n    };\n    this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {\n        var screenRow = this.documentToScreenRow(docRow, docColumn);\n        return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);\n    };\n    this.getRowSplitData = function(row) {\n        if (!this.$useWrapMode) {\n            return undefined;\n        } else {\n            return this.$wrapData[row];\n        }\n    };\n    this.getScreenTabSize = function(screenColumn) {\n        return this.$tabSize - (screenColumn % this.$tabSize | 0);\n    };\n\n\n    this.screenToDocumentRow = function(screenRow, screenColumn) {\n        return this.screenToDocumentPosition(screenRow, screenColumn).row;\n    };\n\n\n    this.screenToDocumentColumn = function(screenRow, screenColumn) {\n        return this.screenToDocumentPosition(screenRow, screenColumn).column;\n    };\n    this.screenToDocumentPosition = function(screenRow, screenColumn, offsetX) {\n        if (screenRow < 0)\n            return {row: 0, column: 0};\n\n        var line;\n        var docRow = 0;\n        var docColumn = 0;\n        var column;\n        var row = 0;\n        var rowLength = 0;\n\n        var rowCache = this.$screenRowCache;\n        var i = this.$getRowCacheIndex(rowCache, screenRow);\n        var l = rowCache.length;\n        if (l && i >= 0) {\n            var row = rowCache[i];\n            var docRow = this.$docRowCache[i];\n            var doCache = screenRow > rowCache[l - 1];\n        } else {\n            var doCache = !l;\n        }\n\n        var maxRow = this.getLength() - 1;\n        var foldLine = this.getNextFoldLine(docRow);\n        var foldStart = foldLine ? foldLine.start.row : Infinity;\n\n        while (row <= screenRow) {\n            rowLength = this.getRowLength(docRow);\n            if (row + rowLength > screenRow || docRow >= maxRow) {\n                break;\n            } else {\n                row += rowLength;\n                docRow++;\n                if (docRow > foldStart) {\n                    docRow = foldLine.end.row+1;\n                    foldLine = this.getNextFoldLine(docRow, foldLine);\n                    foldStart = foldLine ? foldLine.start.row : Infinity;\n                }\n            }\n\n            if (doCache) {\n                this.$docRowCache.push(docRow);\n                this.$screenRowCache.push(row);\n            }\n        }\n\n        if (foldLine && foldLine.start.row <= docRow) {\n            line = this.getFoldDisplayLine(foldLine);\n            docRow = foldLine.start.row;\n        } else if (row + rowLength <= screenRow || docRow > maxRow) {\n            return {\n                row: maxRow,\n                column: this.getLine(maxRow).length\n            };\n        } else {\n            line = this.getLine(docRow);\n            foldLine = null;\n        }\n        var wrapIndent = 0, splitIndex = Math.floor(screenRow - row);\n        if (this.$useWrapMode) {\n            var splits = this.$wrapData[docRow];\n            if (splits) {\n                column = splits[splitIndex];\n                if(splitIndex > 0 && splits.length) {\n                    wrapIndent = splits.indent;\n                    docColumn = splits[splitIndex - 1] || splits[splits.length - 1];\n                    line = line.substring(docColumn);\n                }\n            }\n        }\n\n        if (offsetX !== undefined && this.$bidiHandler.isBidiRow(row + splitIndex, docRow, splitIndex))\n            screenColumn = this.$bidiHandler.offsetToCol(offsetX);\n\n        docColumn += this.$getStringScreenWidth(line, screenColumn - wrapIndent)[1];\n        if (this.$useWrapMode && docColumn >= column)\n            docColumn = column - 1;\n\n        if (foldLine)\n            return foldLine.idxToPosition(docColumn);\n\n        return {row: docRow, column: docColumn};\n    };\n    this.documentToScreenPosition = function(docRow, docColumn) {\n        if (typeof docColumn === \"undefined\")\n            var pos = this.$clipPositionToDocument(docRow.row, docRow.column);\n        else\n            pos = this.$clipPositionToDocument(docRow, docColumn);\n\n        docRow = pos.row;\n        docColumn = pos.column;\n\n        var screenRow = 0;\n        var foldStartRow = null;\n        var fold = null;\n        fold = this.getFoldAt(docRow, docColumn, 1);\n        if (fold) {\n            docRow = fold.start.row;\n            docColumn = fold.start.column;\n        }\n\n        var rowEnd, row = 0;\n\n\n        var rowCache = this.$docRowCache;\n        var i = this.$getRowCacheIndex(rowCache, docRow);\n        var l = rowCache.length;\n        if (l && i >= 0) {\n            var row = rowCache[i];\n            var screenRow = this.$screenRowCache[i];\n            var doCache = docRow > rowCache[l - 1];\n        } else {\n            var doCache = !l;\n        }\n\n        var foldLine = this.getNextFoldLine(row);\n        var foldStart = foldLine ?foldLine.start.row :Infinity;\n\n        while (row < docRow) {\n            if (row >= foldStart) {\n                rowEnd = foldLine.end.row + 1;\n                if (rowEnd > docRow)\n                    break;\n                foldLine = this.getNextFoldLine(rowEnd, foldLine);\n                foldStart = foldLine ?foldLine.start.row :Infinity;\n            }\n            else {\n                rowEnd = row + 1;\n            }\n\n            screenRow += this.getRowLength(row);\n            row = rowEnd;\n\n            if (doCache) {\n                this.$docRowCache.push(row);\n                this.$screenRowCache.push(screenRow);\n            }\n        }\n        var textLine = \"\";\n        if (foldLine && row >= foldStart) {\n            textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);\n            foldStartRow = foldLine.start.row;\n        } else {\n            textLine = this.getLine(docRow).substring(0, docColumn);\n            foldStartRow = docRow;\n        }\n        var wrapIndent = 0;\n        if (this.$useWrapMode) {\n            var wrapRow = this.$wrapData[foldStartRow];\n            if (wrapRow) {\n                var screenRowOffset = 0;\n                while (textLine.length >= wrapRow[screenRowOffset]) {\n                    screenRow ++;\n                    screenRowOffset++;\n                }\n                textLine = textLine.substring(\n                    wrapRow[screenRowOffset - 1] || 0, textLine.length\n                );\n                wrapIndent = screenRowOffset > 0 ? wrapRow.indent : 0;\n            }\n        }\n        \n        if (this.lineWidgets && this.lineWidgets[row] && this.lineWidgets[row].rowsAbove)\n            screenRow += this.lineWidgets[row].rowsAbove;\n\n        return {\n            row: screenRow,\n            column: wrapIndent + this.$getStringScreenWidth(textLine)[0]\n        };\n    };\n    this.documentToScreenColumn = function(row, docColumn) {\n        return this.documentToScreenPosition(row, docColumn).column;\n    };\n    this.documentToScreenRow = function(docRow, docColumn) {\n        return this.documentToScreenPosition(docRow, docColumn).row;\n    };\n    this.getScreenLength = function() {\n        var screenRows = 0;\n        var fold = null;\n        if (!this.$useWrapMode) {\n            screenRows = this.getLength();\n            var foldData = this.$foldData;\n            for (var i = 0; i < foldData.length; i++) {\n                fold = foldData[i];\n                screenRows -= fold.end.row - fold.start.row;\n            }\n        } else {\n            var lastRow = this.$wrapData.length;\n            var row = 0, i = 0;\n            var fold = this.$foldData[i++];\n            var foldStart = fold ? fold.start.row :Infinity;\n\n            while (row < lastRow) {\n                var splits = this.$wrapData[row];\n                screenRows += splits ? splits.length + 1 : 1;\n                row ++;\n                if (row > foldStart) {\n                    row = fold.end.row+1;\n                    fold = this.$foldData[i++];\n                    foldStart = fold ?fold.start.row :Infinity;\n                }\n            }\n        }\n        if (this.lineWidgets)\n            screenRows += this.$getWidgetScreenLength();\n\n        return screenRows;\n    };\n    this.$setFontMetrics = function(fm) {\n        if (!this.$enableVarChar) return;\n        this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {\n            if (maxScreenColumn === 0)\n                return [0, 0];\n            if (!maxScreenColumn)\n                maxScreenColumn = Infinity;\n            screenColumn = screenColumn || 0;\n            \n            var c, column;\n            for (column = 0; column < str.length; column++) {\n                c = str.charAt(column);\n                if (c === \"\\t\") {\n                    screenColumn += this.getScreenTabSize(screenColumn);\n                } else {\n                    screenColumn += fm.getCharacterWidth(c);\n                }\n                if (screenColumn > maxScreenColumn) {\n                    break;\n                }\n            }\n            \n            return [screenColumn, column];\n        };\n    };\n    \n    this.destroy = function() {\n        if (this.bgTokenizer) {\n            this.bgTokenizer.setDocument(null);\n            this.bgTokenizer = null;\n        }\n        this.$stopWorker();\n        this.removeAllListeners();\n        this.selection.detach();\n    };\n\n    this.isFullWidth = isFullWidth;\n    function isFullWidth(c) {\n        if (c < 0x1100)\n            return false;\n        return c >= 0x1100 && c <= 0x115F ||\n               c >= 0x11A3 && c <= 0x11A7 ||\n               c >= 0x11FA && c <= 0x11FF ||\n               c >= 0x2329 && c <= 0x232A ||\n               c >= 0x2E80 && c <= 0x2E99 ||\n               c >= 0x2E9B && c <= 0x2EF3 ||\n               c >= 0x2F00 && c <= 0x2FD5 ||\n               c >= 0x2FF0 && c <= 0x2FFB ||\n               c >= 0x3000 && c <= 0x303E ||\n               c >= 0x3041 && c <= 0x3096 ||\n               c >= 0x3099 && c <= 0x30FF ||\n               c >= 0x3105 && c <= 0x312D ||\n               c >= 0x3131 && c <= 0x318E ||\n               c >= 0x3190 && c <= 0x31BA ||\n               c >= 0x31C0 && c <= 0x31E3 ||\n               c >= 0x31F0 && c <= 0x321E ||\n               c >= 0x3220 && c <= 0x3247 ||\n               c >= 0x3250 && c <= 0x32FE ||\n               c >= 0x3300 && c <= 0x4DBF ||\n               c >= 0x4E00 && c <= 0xA48C ||\n               c >= 0xA490 && c <= 0xA4C6 ||\n               c >= 0xA960 && c <= 0xA97C ||\n               c >= 0xAC00 && c <= 0xD7A3 ||\n               c >= 0xD7B0 && c <= 0xD7C6 ||\n               c >= 0xD7CB && c <= 0xD7FB ||\n               c >= 0xF900 && c <= 0xFAFF ||\n               c >= 0xFE10 && c <= 0xFE19 ||\n               c >= 0xFE30 && c <= 0xFE52 ||\n               c >= 0xFE54 && c <= 0xFE66 ||\n               c >= 0xFE68 && c <= 0xFE6B ||\n               c >= 0xFF01 && c <= 0xFF60 ||\n               c >= 0xFFE0 && c <= 0xFFE6;\n    }\n\n}).call(EditSession.prototype);\n\nrequire(\"./edit_session/folding\").Folding.call(EditSession.prototype);\nrequire(\"./edit_session/bracket_match\").BracketMatch.call(EditSession.prototype);\n\n\nconfig.defineOptions(EditSession.prototype, \"session\", {\n    wrap: {\n        set: function(value) {\n            if (!value || value == \"off\")\n                value = false;\n            else if (value == \"free\")\n                value = true;\n            else if (value == \"printMargin\")\n                value = -1;\n            else if (typeof value == \"string\")\n                value = parseInt(value, 10) || false;\n\n            if (this.$wrap == value)\n                return;\n            this.$wrap = value;\n            if (!value) {\n                this.setUseWrapMode(false);\n            } else {\n                var col = typeof value == \"number\" ? value : null;\n                this.setWrapLimitRange(col, col);\n                this.setUseWrapMode(true);\n            }\n        },\n        get: function() {\n            if (this.getUseWrapMode()) {\n                if (this.$wrap == -1)\n                    return \"printMargin\";\n                if (!this.getWrapLimitRange().min)\n                    return \"free\";\n                return this.$wrap;\n            }\n            return \"off\";\n        },\n        handlesSet: true\n    },    \n    wrapMethod: {\n        set: function(val) {\n            val = val == \"auto\"\n                ? this.$mode.type != \"text\"\n                : val != \"text\";\n            if (val != this.$wrapAsCode) {\n                this.$wrapAsCode = val;\n                if (this.$useWrapMode) {\n                    this.$useWrapMode = false;\n                    this.setUseWrapMode(true);\n                }\n            }\n        },\n        initialValue: \"auto\"\n    },\n    indentedSoftWrap: {\n        set: function() {\n            if (this.$useWrapMode) {\n                this.$useWrapMode = false;\n                this.setUseWrapMode(true);\n            }\n        },\n        initialValue: true \n    },\n    firstLineNumber: {\n        set: function() {this._signal(\"changeBreakpoint\");},\n        initialValue: 1\n    },\n    useWorker: {\n        set: function(useWorker) {\n            this.$useWorker = useWorker;\n\n            this.$stopWorker();\n            if (useWorker)\n                this.$startWorker();\n        },\n        initialValue: true\n    },\n    useSoftTabs: {initialValue: true},\n    tabSize: {\n        set: function(tabSize) {\n            tabSize = parseInt(tabSize);\n            if (tabSize > 0 && this.$tabSize !== tabSize) {\n                this.$modified = true;\n                this.$rowLengthCache = [];\n                this.$tabSize = tabSize;\n                this._signal(\"changeTabSize\");\n            }\n        },\n        initialValue: 4,\n        handlesSet: true\n    },\n    navigateWithinSoftTabs: {initialValue: false},\n    foldStyle: {\n        set: function(val) {this.setFoldStyle(val);},\n        handlesSet: true\n    },\n    overwrite: {\n        set: function(val) {this._signal(\"changeOverwrite\");},\n        initialValue: false\n    },\n    newLineMode: {\n        set: function(val) {this.doc.setNewLineMode(val);},\n        get: function() {return this.doc.getNewLineMode();},\n        handlesSet: true\n    },\n    mode: {\n        set: function(val) { this.setMode(val); },\n        get: function() { return this.$modeId; },\n        handlesSet: true\n    }\n});\n\nexports.EditSession = EditSession;\n});\n\nace.define(\"ace/search\",[\"require\",\"exports\",\"module\",\"ace/lib/lang\",\"ace/lib/oop\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar lang = require(\"./lib/lang\");\nvar oop = require(\"./lib/oop\");\nvar Range = require(\"./range\").Range;\n\nvar Search = function() {\n    this.$options = {};\n};\n\n(function() {\n    this.set = function(options) {\n        oop.mixin(this.$options, options);\n        return this;\n    };\n    this.getOptions = function() {\n        return lang.copyObject(this.$options);\n    };\n    this.setOptions = function(options) {\n        this.$options = options;\n    };\n    this.find = function(session) {\n        var options = this.$options;\n        var iterator = this.$matchIterator(session, options);\n        if (!iterator)\n            return false;\n\n        var firstRange = null;\n        iterator.forEach(function(sr, sc, er, ec) {\n            firstRange = new Range(sr, sc, er, ec);\n            if (sc == ec && options.start && options.start.start\n                && options.skipCurrent != false && firstRange.isEqual(options.start)\n            ) {\n                firstRange = null;\n                return false;\n            }\n            \n            return true;\n        });\n\n        return firstRange;\n    };\n    this.findAll = function(session) {\n        var options = this.$options;\n        if (!options.needle)\n            return [];\n        this.$assembleRegExp(options);\n\n        var range = options.range;\n        var lines = range\n            ? session.getLines(range.start.row, range.end.row)\n            : session.doc.getAllLines();\n\n        var ranges = [];\n        var re = options.re;\n        if (options.$isMultiLine) {\n            var len = re.length;\n            var maxRow = lines.length - len;\n            var prevRange;\n            outer: for (var row = re.offset || 0; row <= maxRow; row++) {\n                for (var j = 0; j < len; j++)\n                    if (lines[row + j].search(re[j]) == -1)\n                        continue outer;\n                \n                var startLine = lines[row];\n                var line = lines[row + len - 1];\n                var startIndex = startLine.length - startLine.match(re[0])[0].length;\n                var endIndex = line.match(re[len - 1])[0].length;\n                \n                if (prevRange && prevRange.end.row === row &&\n                    prevRange.end.column > startIndex\n                ) {\n                    continue;\n                }\n                ranges.push(prevRange = new Range(\n                    row, startIndex, row + len - 1, endIndex\n                ));\n                if (len > 2)\n                    row = row + len - 2;\n            }\n        } else {\n            for (var i = 0; i < lines.length; i++) {\n                var matches = lang.getMatchOffsets(lines[i], re);\n                for (var j = 0; j < matches.length; j++) {\n                    var match = matches[j];\n                    ranges.push(new Range(i, match.offset, i, match.offset + match.length));\n                }\n            }\n        }\n\n        if (range) {\n            var startColumn = range.start.column;\n            var endColumn = range.start.column;\n            var i = 0, j = ranges.length - 1;\n            while (i < j && ranges[i].start.column < startColumn && ranges[i].start.row == range.start.row)\n                i++;\n\n            while (i < j && ranges[j].end.column > endColumn && ranges[j].end.row == range.end.row)\n                j--;\n            \n            ranges = ranges.slice(i, j + 1);\n            for (i = 0, j = ranges.length; i < j; i++) {\n                ranges[i].start.row += range.start.row;\n                ranges[i].end.row += range.start.row;\n            }\n        }\n\n        return ranges;\n    };\n    this.replace = function(input, replacement) {\n        var options = this.$options;\n\n        var re = this.$assembleRegExp(options);\n        if (options.$isMultiLine)\n            return replacement;\n\n        if (!re)\n            return;\n\n        var match = re.exec(input);\n        if (!match || match[0].length != input.length)\n            return null;\n        \n        replacement = input.replace(re, replacement);\n        if (options.preserveCase) {\n            replacement = replacement.split(\"\");\n            for (var i = Math.min(input.length, input.length); i--; ) {\n                var ch = input[i];\n                if (ch && ch.toLowerCase() != ch)\n                    replacement[i] = replacement[i].toUpperCase();\n                else\n                    replacement[i] = replacement[i].toLowerCase();\n            }\n            replacement = replacement.join(\"\");\n        }\n        \n        return replacement;\n    };\n\n    this.$assembleRegExp = function(options, $disableFakeMultiline) {\n        if (options.needle instanceof RegExp)\n            return options.re = options.needle;\n\n        var needle = options.needle;\n\n        if (!options.needle)\n            return options.re = false;\n\n        if (!options.regExp)\n            needle = lang.escapeRegExp(needle);\n\n        if (options.wholeWord)\n            needle = addWordBoundary(needle, options);\n\n        var modifier = options.caseSensitive ? \"gm\" : \"gmi\";\n\n        options.$isMultiLine = !$disableFakeMultiline && /[\\n\\r]/.test(needle);\n        if (options.$isMultiLine)\n            return options.re = this.$assembleMultilineRegExp(needle, modifier);\n\n        try {\n            var re = new RegExp(needle, modifier);\n        } catch(e) {\n            re = false;\n        }\n        return options.re = re;\n    };\n\n    this.$assembleMultilineRegExp = function(needle, modifier) {\n        var parts = needle.replace(/\\r\\n|\\r|\\n/g, \"$\\n^\").split(\"\\n\");\n        var re = [];\n        for (var i = 0; i < parts.length; i++) try {\n            re.push(new RegExp(parts[i], modifier));\n        } catch(e) {\n            return false;\n        }\n        return re;\n    };\n\n    this.$matchIterator = function(session, options) {\n        var re = this.$assembleRegExp(options);\n        if (!re)\n            return false;\n        var backwards = options.backwards == true;\n        var skipCurrent = options.skipCurrent != false;\n\n        var range = options.range;\n        var start = options.start;\n        if (!start)\n            start = range ? range[backwards ? \"end\" : \"start\"] : session.selection.getRange();\n         \n        if (start.start)\n            start = start[skipCurrent != backwards ? \"end\" : \"start\"];\n\n        var firstRow = range ? range.start.row : 0;\n        var lastRow = range ? range.end.row : session.getLength() - 1;\n        \n        if (backwards) {\n            var forEach = function(callback) {\n                var row = start.row;\n                if (forEachInLine(row, start.column, callback))\n                    return;\n                for (row--; row >= firstRow; row--)\n                    if (forEachInLine(row, Number.MAX_VALUE, callback))\n                        return;\n                if (options.wrap == false)\n                    return;\n                for (row = lastRow, firstRow = start.row; row >= firstRow; row--)\n                    if (forEachInLine(row, Number.MAX_VALUE, callback))\n                        return;\n            };\n        }\n        else {\n            var forEach = function(callback) {\n                var row = start.row;\n                if (forEachInLine(row, start.column, callback))\n                    return;\n                for (row = row + 1; row <= lastRow; row++)\n                    if (forEachInLine(row, 0, callback))\n                        return;\n                if (options.wrap == false)\n                    return;\n                for (row = firstRow, lastRow = start.row; row <= lastRow; row++)\n                    if (forEachInLine(row, 0, callback))\n                        return;\n            };\n        }\n        \n        if (options.$isMultiLine) {\n            var len = re.length;\n            var forEachInLine = function(row, offset, callback) {\n                var startRow = backwards ? row - len + 1 : row;\n                if (startRow < 0) return;\n                var line = session.getLine(startRow);\n                var startIndex = line.search(re[0]);\n                if (!backwards && startIndex < offset || startIndex === -1) return;\n                for (var i = 1; i < len; i++) {\n                    line = session.getLine(startRow + i);\n                    if (line.search(re[i]) == -1)\n                        return;\n                }\n                var endIndex = line.match(re[len - 1])[0].length;\n                if (backwards && endIndex > offset) return;\n                if (callback(startRow, startIndex, startRow + len - 1, endIndex))\n                    return true;\n            };\n        }\n        else if (backwards) {\n            var forEachInLine = function(row, endIndex, callback) {\n                var line = session.getLine(row);\n                var matches = [];\n                var m, last = 0;\n                re.lastIndex = 0;\n                while((m = re.exec(line))) {\n                    var length = m[0].length;\n                    last = m.index;\n                    if (!length) {\n                        if (last >= line.length) break;\n                        re.lastIndex = last += 1;\n                    }\n                    if (m.index + length > endIndex)\n                        break;\n                    matches.push(m.index, length);\n                }\n                for (var i = matches.length - 1; i >= 0; i -= 2) {\n                    var column = matches[i - 1];\n                    var length = matches[i];\n                    if (callback(row, column, row, column + length))\n                        return true;\n                }\n            };\n        }\n        else {\n            var forEachInLine = function(row, startIndex, callback) {\n                var line = session.getLine(row);\n                var last;\n                var m;\n                re.lastIndex = startIndex;\n                while((m = re.exec(line))) {\n                    var length = m[0].length;\n                    last = m.index;\n                    if (callback(row, last, row,last + length))\n                        return true;\n                    if (!length) {\n                        re.lastIndex = last += 1;\n                        if (last >= line.length) return false;\n                    }\n                }\n            };\n        }\n        return {forEach: forEach};\n    };\n\n}).call(Search.prototype);\n\nfunction addWordBoundary(needle, options) {\n    function wordBoundary(c) {\n        if (/\\w/.test(c) || options.regExp) return \"\\\\b\";\n        return \"\";\n    }\n    return wordBoundary(needle[0]) + needle\n        + wordBoundary(needle[needle.length - 1]);\n}\n\nexports.Search = Search;\n});\n\nace.define(\"ace/keyboard/hash_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/keys\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar keyUtil = require(\"../lib/keys\");\nvar useragent = require(\"../lib/useragent\");\nvar KEY_MODS = keyUtil.KEY_MODS;\n\nfunction HashHandler(config, platform) {\n    this.platform = platform || (useragent.isMac ? \"mac\" : \"win\");\n    this.commands = {};\n    this.commandKeyBinding = {};\n    this.addCommands(config);\n    this.$singleCommand = true;\n}\n\nfunction MultiHashHandler(config, platform) {\n    HashHandler.call(this, config, platform);\n    this.$singleCommand = false;\n}\n\nMultiHashHandler.prototype = HashHandler.prototype;\n\n(function() {\n    \n\n    this.addCommand = function(command) {\n        if (this.commands[command.name])\n            this.removeCommand(command);\n\n        this.commands[command.name] = command;\n\n        if (command.bindKey)\n            this._buildKeyHash(command);\n    };\n\n    this.removeCommand = function(command, keepCommand) {\n        var name = command && (typeof command === 'string' ? command : command.name);\n        command = this.commands[name];\n        if (!keepCommand)\n            delete this.commands[name];\n        var ckb = this.commandKeyBinding;\n        for (var keyId in ckb) {\n            var cmdGroup = ckb[keyId];\n            if (cmdGroup == command) {\n                delete ckb[keyId];\n            } else if (Array.isArray(cmdGroup)) {\n                var i = cmdGroup.indexOf(command);\n                if (i != -1) {\n                    cmdGroup.splice(i, 1);\n                    if (cmdGroup.length == 1)\n                        ckb[keyId] = cmdGroup[0];\n                }\n            }\n        }\n    };\n\n    this.bindKey = function(key, command, position) {\n        if (typeof key == \"object\" && key) {\n            if (position == undefined)\n                position = key.position;\n            key = key[this.platform];\n        }\n        if (!key)\n            return;\n        if (typeof command == \"function\")\n            return this.addCommand({exec: command, bindKey: key, name: command.name || key});\n        \n        key.split(\"|\").forEach(function(keyPart) {\n            var chain = \"\";\n            if (keyPart.indexOf(\" \") != -1) {\n                var parts = keyPart.split(/\\s+/);\n                keyPart = parts.pop();\n                parts.forEach(function(keyPart) {\n                    var binding = this.parseKeys(keyPart);\n                    var id = KEY_MODS[binding.hashId] + binding.key;\n                    chain += (chain ? \" \" : \"\") + id;\n                    this._addCommandToBinding(chain, \"chainKeys\");\n                }, this);\n                chain += \" \";\n            }\n            var binding = this.parseKeys(keyPart);\n            var id = KEY_MODS[binding.hashId] + binding.key;\n            this._addCommandToBinding(chain + id, command, position);\n        }, this);\n    };\n    \n    function getPosition(command) {\n        return typeof command == \"object\" && command.bindKey\n            && command.bindKey.position \n            || (command.isDefault ? -100 : 0);\n    }\n    this._addCommandToBinding = function(keyId, command, position) {\n        var ckb = this.commandKeyBinding, i;\n        if (!command) {\n            delete ckb[keyId];\n        } else if (!ckb[keyId] || this.$singleCommand) {\n            ckb[keyId] = command;\n        } else {\n            if (!Array.isArray(ckb[keyId])) {\n                ckb[keyId] = [ckb[keyId]];\n            } else if ((i = ckb[keyId].indexOf(command)) != -1) {\n                ckb[keyId].splice(i, 1);\n            }\n            \n            if (typeof position != \"number\") {\n                position = getPosition(command);\n            }\n\n            var commands = ckb[keyId];\n            for (i = 0; i < commands.length; i++) {\n                var other = commands[i];\n                var otherPos = getPosition(other);\n                if (otherPos > position)\n                    break;\n            }\n            commands.splice(i, 0, command);\n        }\n    };\n\n    this.addCommands = function(commands) {\n        commands && Object.keys(commands).forEach(function(name) {\n            var command = commands[name];\n            if (!command)\n                return;\n            \n            if (typeof command === \"string\")\n                return this.bindKey(command, name);\n\n            if (typeof command === \"function\")\n                command = { exec: command };\n\n            if (typeof command !== \"object\")\n                return;\n\n            if (!command.name)\n                command.name = name;\n\n            this.addCommand(command);\n        }, this);\n    };\n\n    this.removeCommands = function(commands) {\n        Object.keys(commands).forEach(function(name) {\n            this.removeCommand(commands[name]);\n        }, this);\n    };\n\n    this.bindKeys = function(keyList) {\n        Object.keys(keyList).forEach(function(key) {\n            this.bindKey(key, keyList[key]);\n        }, this);\n    };\n\n    this._buildKeyHash = function(command) {\n        this.bindKey(command.bindKey, command);\n    };\n    this.parseKeys = function(keys) {\n        var parts = keys.toLowerCase().split(/[\\-\\+]([\\-\\+])?/).filter(function(x){return x;});\n        var key = parts.pop();\n\n        var keyCode = keyUtil[key];\n        if (keyUtil.FUNCTION_KEYS[keyCode])\n            key = keyUtil.FUNCTION_KEYS[keyCode].toLowerCase();\n        else if (!parts.length)\n            return {key: key, hashId: -1};\n        else if (parts.length == 1 && parts[0] == \"shift\")\n            return {key: key.toUpperCase(), hashId: -1};\n\n        var hashId = 0;\n        for (var i = parts.length; i--;) {\n            var modifier = keyUtil.KEY_MODS[parts[i]];\n            if (modifier == null) {\n                if (typeof console != \"undefined\")\n                    console.error(\"invalid modifier \" + parts[i] + \" in \" + keys);\n                return false;\n            }\n            hashId |= modifier;\n        }\n        return {key: key, hashId: hashId};\n    };\n\n    this.findKeyCommand = function findKeyCommand(hashId, keyString) {\n        var key = KEY_MODS[hashId] + keyString;\n        return this.commandKeyBinding[key];\n    };\n\n    this.handleKeyboard = function(data, hashId, keyString, keyCode) {\n        if (keyCode < 0) return;\n        var key = KEY_MODS[hashId] + keyString;\n        var command = this.commandKeyBinding[key];\n        if (data.$keyChain) {\n            data.$keyChain += \" \" + key;\n            command = this.commandKeyBinding[data.$keyChain] || command;\n        }\n        \n        if (command) {\n            if (command == \"chainKeys\" || command[command.length - 1] == \"chainKeys\") {\n                data.$keyChain = data.$keyChain || key;\n                return {command: \"null\"};\n            }\n        }\n        \n        if (data.$keyChain) {\n            if ((!hashId || hashId == 4) && keyString.length == 1)\n                data.$keyChain = data.$keyChain.slice(0, -key.length - 1); // wait for input\n            else if (hashId == -1 || keyCode > 0)\n                data.$keyChain = \"\"; // reset keyChain\n        }\n        return {command: command};\n    };\n    \n    this.getStatusText = function(editor, data) {\n        return data.$keyChain || \"\";\n    };\n\n}).call(HashHandler.prototype);\n\nexports.HashHandler = HashHandler;\nexports.MultiHashHandler = MultiHashHandler;\n});\n\nace.define(\"ace/commands/command_manager\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/keyboard/hash_handler\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"../lib/oop\");\nvar MultiHashHandler = require(\"../keyboard/hash_handler\").MultiHashHandler;\nvar EventEmitter = require(\"../lib/event_emitter\").EventEmitter;\n\nvar CommandManager = function(platform, commands) {\n    MultiHashHandler.call(this, commands, platform);\n    this.byName = this.commands;\n    this.setDefaultHandler(\"exec\", function(e) {\n        return e.command.exec(e.editor, e.args || {});\n    });\n};\n\noop.inherits(CommandManager, MultiHashHandler);\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n\n    this.exec = function(command, editor, args) {\n        if (Array.isArray(command)) {\n            for (var i = command.length; i--; ) {\n                if (this.exec(command[i], editor, args)) return true;\n            }\n            return false;\n        }\n\n        if (typeof command === \"string\")\n            command = this.commands[command];\n\n        if (!command)\n            return false;\n\n        if (editor && editor.$readOnly && !command.readOnly)\n            return false;\n\n        if (this.$checkCommandState != false && command.isAvailable && !command.isAvailable(editor))\n            return false;\n\n        var e = {editor: editor, command: command, args: args};\n        e.returnValue = this._emit(\"exec\", e);\n        this._signal(\"afterExec\", e);\n\n        return e.returnValue === false ? false : true;\n    };\n\n    this.toggleRecording = function(editor) {\n        if (this.$inReplay)\n            return;\n\n        editor && editor._emit(\"changeStatus\");\n        if (this.recording) {\n            this.macro.pop();\n            this.off(\"exec\", this.$addCommandToMacro);\n\n            if (!this.macro.length)\n                this.macro = this.oldMacro;\n\n            return this.recording = false;\n        }\n        if (!this.$addCommandToMacro) {\n            this.$addCommandToMacro = function(e) {\n                this.macro.push([e.command, e.args]);\n            }.bind(this);\n        }\n\n        this.oldMacro = this.macro;\n        this.macro = [];\n        this.on(\"exec\", this.$addCommandToMacro);\n        return this.recording = true;\n    };\n\n    this.replay = function(editor) {\n        if (this.$inReplay || !this.macro)\n            return;\n\n        if (this.recording)\n            return this.toggleRecording(editor);\n\n        try {\n            this.$inReplay = true;\n            this.macro.forEach(function(x) {\n                if (typeof x == \"string\")\n                    this.exec(x, editor);\n                else\n                    this.exec(x[0], editor, x[1]);\n            }, this);\n        } finally {\n            this.$inReplay = false;\n        }\n    };\n\n    this.trimMacro = function(m) {\n        return m.map(function(x){\n            if (typeof x[0] != \"string\")\n                x[0] = x[0].name;\n            if (!x[1])\n                x = x[0];\n            return x;\n        });\n    };\n\n}).call(CommandManager.prototype);\n\nexports.CommandManager = CommandManager;\n\n});\n\nace.define(\"ace/commands/default_commands\",[\"require\",\"exports\",\"module\",\"ace/lib/lang\",\"ace/config\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar lang = require(\"../lib/lang\");\nvar config = require(\"../config\");\nvar Range = require(\"../range\").Range;\n\nfunction bindKey(win, mac) {\n    return {win: win, mac: mac};\n}\nexports.commands = [{\n    name: \"showSettingsMenu\",\n    bindKey: bindKey(\"Ctrl-,\", \"Command-,\"),\n    exec: function(editor) {\n        config.loadModule(\"ace/ext/settings_menu\", function(module) {\n            module.init(editor);\n            editor.showSettingsMenu();\n        });\n    },\n    readOnly: true\n}, {\n    name: \"goToNextError\",\n    bindKey: bindKey(\"Alt-E\", \"F4\"),\n    exec: function(editor) {\n        config.loadModule(\"./ext/error_marker\", function(module) {\n            module.showErrorMarker(editor, 1);\n        });\n    },\n    scrollIntoView: \"animate\",\n    readOnly: true\n}, {\n    name: \"goToPreviousError\",\n    bindKey: bindKey(\"Alt-Shift-E\", \"Shift-F4\"),\n    exec: function(editor) {\n        config.loadModule(\"./ext/error_marker\", function(module) {\n            module.showErrorMarker(editor, -1);\n        });\n    },\n    scrollIntoView: \"animate\",\n    readOnly: true\n}, {\n    name: \"selectall\",\n    description: \"Select all\",\n    bindKey: bindKey(\"Ctrl-A\", \"Command-A\"),\n    exec: function(editor) { editor.selectAll(); },\n    readOnly: true\n}, {\n    name: \"centerselection\",\n    description: \"Center selection\",\n    bindKey: bindKey(null, \"Ctrl-L\"),\n    exec: function(editor) { editor.centerSelection(); },\n    readOnly: true\n}, {\n    name: \"gotoline\",\n    description: \"Go to line...\",\n    bindKey: bindKey(\"Ctrl-L\", \"Command-L\"),\n    exec: function(editor, line) {\n        if (typeof line === \"number\" && !isNaN(line))\n            editor.gotoLine(line);\n        editor.prompt({ $type: \"gotoLine\" });\n    },\n    readOnly: true\n}, {\n    name: \"fold\",\n    bindKey: bindKey(\"Alt-L|Ctrl-F1\", \"Command-Alt-L|Command-F1\"),\n    exec: function(editor) { editor.session.toggleFold(false); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"unfold\",\n    bindKey: bindKey(\"Alt-Shift-L|Ctrl-Shift-F1\", \"Command-Alt-Shift-L|Command-Shift-F1\"),\n    exec: function(editor) { editor.session.toggleFold(true); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"toggleFoldWidget\",\n    bindKey: bindKey(\"F2\", \"F2\"),\n    exec: function(editor) { editor.session.toggleFoldWidget(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"toggleParentFoldWidget\",\n    bindKey: bindKey(\"Alt-F2\", \"Alt-F2\"),\n    exec: function(editor) { editor.session.toggleFoldWidget(true); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"foldall\",\n    description: \"Fold all\",\n    bindKey: bindKey(null, \"Ctrl-Command-Option-0\"),\n    exec: function(editor) { editor.session.foldAll(); },\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"foldAllComments\",\n    description: \"Fold all comments\",\n    bindKey: bindKey(null, \"Ctrl-Command-Option-0\"),\n    exec: function(editor) { editor.session.foldAllComments(); },\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"foldOther\",\n    description: \"Fold other\",\n    bindKey: bindKey(\"Alt-0\", \"Command-Option-0\"),\n    exec: function(editor) { \n        editor.session.foldAll();\n        editor.session.unfold(editor.selection.getAllRanges());\n    },\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"unfoldall\",\n    description: \"Unfold all\",\n    bindKey: bindKey(\"Alt-Shift-0\", \"Command-Option-Shift-0\"),\n    exec: function(editor) { editor.session.unfold(); },\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"findnext\",\n    description: \"Find next\",\n    bindKey: bindKey(\"Ctrl-K\", \"Command-G\"),\n    exec: function(editor) { editor.findNext(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"findprevious\",\n    description: \"Find previous\",\n    bindKey: bindKey(\"Ctrl-Shift-K\", \"Command-Shift-G\"),\n    exec: function(editor) { editor.findPrevious(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"center\",\n    readOnly: true\n}, {\n    name: \"selectOrFindNext\",\n    description: \"Select or find next\",\n    bindKey: bindKey(\"Alt-K\", \"Ctrl-G\"),\n    exec: function(editor) {\n        if (editor.selection.isEmpty())\n            editor.selection.selectWord();\n        else\n            editor.findNext(); \n    },\n    readOnly: true\n}, {\n    name: \"selectOrFindPrevious\",\n    description: \"Select or find previous\",\n    bindKey: bindKey(\"Alt-Shift-K\", \"Ctrl-Shift-G\"),\n    exec: function(editor) { \n        if (editor.selection.isEmpty())\n            editor.selection.selectWord();\n        else\n            editor.findPrevious();\n    },\n    readOnly: true\n}, {\n    name: \"find\",\n    description: \"Find\",\n    bindKey: bindKey(\"Ctrl-F\", \"Command-F\"),\n    exec: function(editor) {\n        config.loadModule(\"ace/ext/searchbox\", function(e) {e.Search(editor);});\n    },\n    readOnly: true\n}, {\n    name: \"overwrite\",\n    description: \"Overwrite\",\n    bindKey: \"Insert\",\n    exec: function(editor) { editor.toggleOverwrite(); },\n    readOnly: true\n}, {\n    name: \"selecttostart\",\n    description: \"Select to start\",\n    bindKey: bindKey(\"Ctrl-Shift-Home\", \"Command-Shift-Home|Command-Shift-Up\"),\n    exec: function(editor) { editor.getSelection().selectFileStart(); },\n    multiSelectAction: \"forEach\",\n    readOnly: true,\n    scrollIntoView: \"animate\",\n    aceCommandGroup: \"fileJump\"\n}, {\n    name: \"gotostart\",\n    description: \"Go to start\",\n    bindKey: bindKey(\"Ctrl-Home\", \"Command-Home|Command-Up\"),\n    exec: function(editor) { editor.navigateFileStart(); },\n    multiSelectAction: \"forEach\",\n    readOnly: true,\n    scrollIntoView: \"animate\",\n    aceCommandGroup: \"fileJump\"\n}, {\n    name: \"selectup\",\n    description: \"Select up\",\n    bindKey: bindKey(\"Shift-Up\", \"Shift-Up|Ctrl-Shift-P\"),\n    exec: function(editor) { editor.getSelection().selectUp(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"golineup\",\n    description: \"Go line up\",\n    bindKey: bindKey(\"Up\", \"Up|Ctrl-P\"),\n    exec: function(editor, args) { editor.navigateUp(args.times); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selecttoend\",\n    description: \"Select to end\",\n    bindKey: bindKey(\"Ctrl-Shift-End\", \"Command-Shift-End|Command-Shift-Down\"),\n    exec: function(editor) { editor.getSelection().selectFileEnd(); },\n    multiSelectAction: \"forEach\",\n    readOnly: true,\n    scrollIntoView: \"animate\",\n    aceCommandGroup: \"fileJump\"\n}, {\n    name: \"gotoend\",\n    description: \"Go to end\",\n    bindKey: bindKey(\"Ctrl-End\", \"Command-End|Command-Down\"),\n    exec: function(editor) { editor.navigateFileEnd(); },\n    multiSelectAction: \"forEach\",\n    readOnly: true,\n    scrollIntoView: \"animate\",\n    aceCommandGroup: \"fileJump\"\n}, {\n    name: \"selectdown\",\n    description: \"Select down\",\n    bindKey: bindKey(\"Shift-Down\", \"Shift-Down|Ctrl-Shift-N\"),\n    exec: function(editor) { editor.getSelection().selectDown(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"golinedown\",\n    description: \"Go line down\",\n    bindKey: bindKey(\"Down\", \"Down|Ctrl-N\"),\n    exec: function(editor, args) { editor.navigateDown(args.times); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectwordleft\",\n    description: \"Select word left\",\n    bindKey: bindKey(\"Ctrl-Shift-Left\", \"Option-Shift-Left\"),\n    exec: function(editor) { editor.getSelection().selectWordLeft(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotowordleft\",\n    description: \"Go to word left\",\n    bindKey: bindKey(\"Ctrl-Left\", \"Option-Left\"),\n    exec: function(editor) { editor.navigateWordLeft(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selecttolinestart\",\n    description: \"Select to line start\",\n    bindKey: bindKey(\"Alt-Shift-Left\", \"Command-Shift-Left|Ctrl-Shift-A\"),\n    exec: function(editor) { editor.getSelection().selectLineStart(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotolinestart\",\n    description: \"Go to line start\",\n    bindKey: bindKey(\"Alt-Left|Home\", \"Command-Left|Home|Ctrl-A\"),\n    exec: function(editor) { editor.navigateLineStart(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectleft\",\n    description: \"Select left\",\n    bindKey: bindKey(\"Shift-Left\", \"Shift-Left|Ctrl-Shift-B\"),\n    exec: function(editor) { editor.getSelection().selectLeft(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotoleft\",\n    description: \"Go to left\",\n    bindKey: bindKey(\"Left\", \"Left|Ctrl-B\"),\n    exec: function(editor, args) { editor.navigateLeft(args.times); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectwordright\",\n    description: \"Select word right\",\n    bindKey: bindKey(\"Ctrl-Shift-Right\", \"Option-Shift-Right\"),\n    exec: function(editor) { editor.getSelection().selectWordRight(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotowordright\",\n    description: \"Go to word right\",\n    bindKey: bindKey(\"Ctrl-Right\", \"Option-Right\"),\n    exec: function(editor) { editor.navigateWordRight(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selecttolineend\",\n    description: \"Select to line end\",\n    bindKey: bindKey(\"Alt-Shift-Right\", \"Command-Shift-Right|Shift-End|Ctrl-Shift-E\"),\n    exec: function(editor) { editor.getSelection().selectLineEnd(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotolineend\",\n    description: \"Go to line end\",\n    bindKey: bindKey(\"Alt-Right|End\", \"Command-Right|End|Ctrl-E\"),\n    exec: function(editor) { editor.navigateLineEnd(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectright\",\n    description: \"Select right\",\n    bindKey: bindKey(\"Shift-Right\", \"Shift-Right\"),\n    exec: function(editor) { editor.getSelection().selectRight(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"gotoright\",\n    description: \"Go to right\",\n    bindKey: bindKey(\"Right\", \"Right|Ctrl-F\"),\n    exec: function(editor, args) { editor.navigateRight(args.times); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectpagedown\",\n    description: \"Select page down\",\n    bindKey: \"Shift-PageDown\",\n    exec: function(editor) { editor.selectPageDown(); },\n    readOnly: true\n}, {\n    name: \"pagedown\",\n    description: \"Page down\",\n    bindKey: bindKey(null, \"Option-PageDown\"),\n    exec: function(editor) { editor.scrollPageDown(); },\n    readOnly: true\n}, {\n    name: \"gotopagedown\",\n    description: \"Go to page down\",\n    bindKey: bindKey(\"PageDown\", \"PageDown|Ctrl-V\"),\n    exec: function(editor) { editor.gotoPageDown(); },\n    readOnly: true\n}, {\n    name: \"selectpageup\",\n    description: \"Select page up\",\n    bindKey: \"Shift-PageUp\",\n    exec: function(editor) { editor.selectPageUp(); },\n    readOnly: true\n}, {\n    name: \"pageup\",\n    description: \"Page up\",\n    bindKey: bindKey(null, \"Option-PageUp\"),\n    exec: function(editor) { editor.scrollPageUp(); },\n    readOnly: true\n}, {\n    name: \"gotopageup\",\n    description: \"Go to page up\",\n    bindKey: \"PageUp\",\n    exec: function(editor) { editor.gotoPageUp(); },\n    readOnly: true\n}, {\n    name: \"scrollup\",\n    description: \"Scroll up\",\n    bindKey: bindKey(\"Ctrl-Up\", null),\n    exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },\n    readOnly: true\n}, {\n    name: \"scrolldown\",\n    description: \"Scroll down\",\n    bindKey: bindKey(\"Ctrl-Down\", null),\n    exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },\n    readOnly: true\n}, {\n    name: \"selectlinestart\",\n    description: \"Select line start\",\n    bindKey: \"Shift-Home\",\n    exec: function(editor) { editor.getSelection().selectLineStart(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectlineend\",\n    description: \"Select line end\",\n    bindKey: \"Shift-End\",\n    exec: function(editor) { editor.getSelection().selectLineEnd(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"togglerecording\",\n    description: \"Toggle recording\",\n    bindKey: bindKey(\"Ctrl-Alt-E\", \"Command-Option-E\"),\n    exec: function(editor) { editor.commands.toggleRecording(editor); },\n    readOnly: true\n}, {\n    name: \"replaymacro\",\n    description: \"Replay macro\",\n    bindKey: bindKey(\"Ctrl-Shift-E\", \"Command-Shift-E\"),\n    exec: function(editor) { editor.commands.replay(editor); },\n    readOnly: true\n}, {\n    name: \"jumptomatching\",\n    description: \"Jump to matching\",\n    bindKey: bindKey(\"Ctrl-\\\\|Ctrl-P\", \"Command-\\\\\"),\n    exec: function(editor) { editor.jumpToMatching(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"animate\",\n    readOnly: true\n}, {\n    name: \"selecttomatching\",\n    description: \"Select to matching\",\n    bindKey: bindKey(\"Ctrl-Shift-\\\\|Ctrl-Shift-P\", \"Command-Shift-\\\\\"),\n    exec: function(editor) { editor.jumpToMatching(true); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"animate\",\n    readOnly: true\n}, {\n    name: \"expandToMatching\",\n    description: \"Expand to matching\",\n    bindKey: bindKey(\"Ctrl-Shift-M\", \"Ctrl-Shift-M\"),\n    exec: function(editor) { editor.jumpToMatching(true, true); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"animate\",\n    readOnly: true\n}, {\n    name: \"passKeysToBrowser\",\n    description: \"Pass keys to browser\",\n    bindKey: bindKey(null, null),\n    exec: function() {},\n    passEvent: true,\n    readOnly: true\n}, {\n    name: \"copy\",\n    description: \"Copy\",\n    exec: function(editor) {\n    },\n    readOnly: true\n},\n{\n    name: \"cut\",\n    description: \"Cut\",\n    exec: function(editor) {\n        var cutLine = editor.$copyWithEmptySelection && editor.selection.isEmpty();\n        var range = cutLine ? editor.selection.getLineRange() : editor.selection.getRange();\n        editor._emit(\"cut\", range);\n\n        if (!range.isEmpty())\n            editor.session.remove(range);\n        editor.clearSelection();\n    },\n    scrollIntoView: \"cursor\",\n    multiSelectAction: \"forEach\"\n}, {\n    name: \"paste\",\n    description: \"Paste\",\n    exec: function(editor, args) {\n        editor.$handlePaste(args);\n    },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removeline\",\n    description: \"Remove line\",\n    bindKey: bindKey(\"Ctrl-D\", \"Command-D\"),\n    exec: function(editor) { editor.removeLines(); },\n    scrollIntoView: \"cursor\",\n    multiSelectAction: \"forEachLine\"\n}, {\n    name: \"duplicateSelection\",\n    description: \"Duplicate selection\",\n    bindKey: bindKey(\"Ctrl-Shift-D\", \"Command-Shift-D\"),\n    exec: function(editor) { editor.duplicateSelection(); },\n    scrollIntoView: \"cursor\",\n    multiSelectAction: \"forEach\"\n}, {\n    name: \"sortlines\",\n    description: \"Sort lines\",\n    bindKey: bindKey(\"Ctrl-Alt-S\", \"Command-Alt-S\"),\n    exec: function(editor) { editor.sortLines(); },\n    scrollIntoView: \"selection\",\n    multiSelectAction: \"forEachLine\"\n}, {\n    name: \"togglecomment\",\n    description: \"Toggle comment\",\n    bindKey: bindKey(\"Ctrl-/\", \"Command-/\"),\n    exec: function(editor) { editor.toggleCommentLines(); },\n    multiSelectAction: \"forEachLine\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"toggleBlockComment\",\n    description: \"Toggle block comment\",\n    bindKey: bindKey(\"Ctrl-Shift-/\", \"Command-Shift-/\"),\n    exec: function(editor) { editor.toggleBlockComment(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"modifyNumberUp\",\n    description: \"Modify number up\",\n    bindKey: bindKey(\"Ctrl-Shift-Up\", \"Alt-Shift-Up\"),\n    exec: function(editor) { editor.modifyNumber(1); },\n    scrollIntoView: \"cursor\",\n    multiSelectAction: \"forEach\"\n}, {\n    name: \"modifyNumberDown\",\n    description: \"Modify number down\",\n    bindKey: bindKey(\"Ctrl-Shift-Down\", \"Alt-Shift-Down\"),\n    exec: function(editor) { editor.modifyNumber(-1); },\n    scrollIntoView: \"cursor\",\n    multiSelectAction: \"forEach\"\n}, {\n    name: \"replace\",\n    description: \"Replace\",\n    bindKey: bindKey(\"Ctrl-H\", \"Command-Option-F\"),\n    exec: function(editor) {\n        config.loadModule(\"ace/ext/searchbox\", function(e) {e.Search(editor, true);});\n    }\n}, {\n    name: \"undo\",\n    description: \"Undo\",\n    bindKey: bindKey(\"Ctrl-Z\", \"Command-Z\"),\n    exec: function(editor) { editor.undo(); }\n}, {\n    name: \"redo\",\n    description: \"Redo\",\n    bindKey: bindKey(\"Ctrl-Shift-Z|Ctrl-Y\", \"Command-Shift-Z|Command-Y\"),\n    exec: function(editor) { editor.redo(); }\n}, {\n    name: \"copylinesup\",\n    description: \"Copy lines up\",\n    bindKey: bindKey(\"Alt-Shift-Up\", \"Command-Option-Up\"),\n    exec: function(editor) { editor.copyLinesUp(); },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"movelinesup\",\n    description: \"Move lines up\",\n    bindKey: bindKey(\"Alt-Up\", \"Option-Up\"),\n    exec: function(editor) { editor.moveLinesUp(); },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"copylinesdown\",\n    description: \"Copy lines down\",\n    bindKey: bindKey(\"Alt-Shift-Down\", \"Command-Option-Down\"),\n    exec: function(editor) { editor.copyLinesDown(); },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"movelinesdown\",\n    description: \"Move lines down\",\n    bindKey: bindKey(\"Alt-Down\", \"Option-Down\"),\n    exec: function(editor) { editor.moveLinesDown(); },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"del\",\n    description: \"Delete\",\n    bindKey: bindKey(\"Delete\", \"Delete|Ctrl-D|Shift-Delete\"),\n    exec: function(editor) { editor.remove(\"right\"); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"backspace\",\n    description: \"Backspace\",\n    bindKey: bindKey(\n        \"Shift-Backspace|Backspace\",\n        \"Ctrl-Backspace|Shift-Backspace|Backspace|Ctrl-H\"\n    ),\n    exec: function(editor) { editor.remove(\"left\"); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"cut_or_delete\",\n    description: \"Cut or delete\",\n    bindKey: bindKey(\"Shift-Delete\", null),\n    exec: function(editor) { \n        if (editor.selection.isEmpty()) {\n            editor.remove(\"left\");\n        } else {\n            return false;\n        }\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removetolinestart\",\n    description: \"Remove to line start\",\n    bindKey: bindKey(\"Alt-Backspace\", \"Command-Backspace\"),\n    exec: function(editor) { editor.removeToLineStart(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removetolineend\",\n    description: \"Remove to line end\",\n    bindKey: bindKey(\"Alt-Delete\", \"Ctrl-K|Command-Delete\"),\n    exec: function(editor) { editor.removeToLineEnd(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removetolinestarthard\",\n    description: \"Remove to line start hard\",\n    bindKey: bindKey(\"Ctrl-Shift-Backspace\", null),\n    exec: function(editor) {\n        var range = editor.selection.getRange();\n        range.start.column = 0;\n        editor.session.remove(range);\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removetolineendhard\",\n    description: \"Remove to line end hard\",\n    bindKey: bindKey(\"Ctrl-Shift-Delete\", null),\n    exec: function(editor) {\n        var range = editor.selection.getRange();\n        range.end.column = Number.MAX_VALUE;\n        editor.session.remove(range);\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removewordleft\",\n    description: \"Remove word left\",\n    bindKey: bindKey(\"Ctrl-Backspace\", \"Alt-Backspace|Ctrl-Alt-Backspace\"),\n    exec: function(editor) { editor.removeWordLeft(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"removewordright\",\n    description: \"Remove word right\",\n    bindKey: bindKey(\"Ctrl-Delete\", \"Alt-Delete\"),\n    exec: function(editor) { editor.removeWordRight(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"outdent\",\n    description: \"Outdent\",\n    bindKey: bindKey(\"Shift-Tab\", \"Shift-Tab\"),\n    exec: function(editor) { editor.blockOutdent(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"indent\",\n    description: \"Indent\",\n    bindKey: bindKey(\"Tab\", \"Tab\"),\n    exec: function(editor) { editor.indent(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"blockoutdent\",\n    description: \"Block outdent\",\n    bindKey: bindKey(\"Ctrl-[\", \"Ctrl-[\"),\n    exec: function(editor) { editor.blockOutdent(); },\n    multiSelectAction: \"forEachLine\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"blockindent\",\n    description: \"Block indent\",\n    bindKey: bindKey(\"Ctrl-]\", \"Ctrl-]\"),\n    exec: function(editor) { editor.blockIndent(); },\n    multiSelectAction: \"forEachLine\",\n    scrollIntoView: \"selectionPart\"\n}, {\n    name: \"insertstring\",\n    description: \"Insert string\",\n    exec: function(editor, str) { editor.insert(str); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"inserttext\",\n    description: \"Insert text\",\n    exec: function(editor, args) {\n        editor.insert(lang.stringRepeat(args.text  || \"\", args.times || 1));\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"splitline\",\n    description: \"Split line\",\n    bindKey: bindKey(null, \"Ctrl-O\"),\n    exec: function(editor) { editor.splitLine(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"transposeletters\",\n    description: \"Transpose letters\",\n    bindKey: bindKey(\"Alt-Shift-X\", \"Ctrl-T\"),\n    exec: function(editor) { editor.transposeLetters(); },\n    multiSelectAction: function(editor) {editor.transposeSelections(1); },\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"touppercase\",\n    description: \"To uppercase\",\n    bindKey: bindKey(\"Ctrl-U\", \"Ctrl-U\"),\n    exec: function(editor) { editor.toUpperCase(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"tolowercase\",\n    description: \"To lowercase\",\n    bindKey: bindKey(\"Ctrl-Shift-U\", \"Ctrl-Shift-U\"),\n    exec: function(editor) { editor.toLowerCase(); },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"autoindent\",\n    description: \"Auto Indent\",\n    bindKey: bindKey(null, null),\n    exec: function(editor) { editor.autoIndent(); },\n    multiSelectAction: \"forEachLine\",\n    scrollIntoView: \"animate\"\n}, {\n    name: \"expandtoline\",\n    description: \"Expand to line\",\n    bindKey: bindKey(\"Ctrl-Shift-L\", \"Command-Shift-L\"),\n    exec: function(editor) {\n        var range = editor.selection.getRange();\n\n        range.start.column = range.end.column = 0;\n        range.end.row++;\n        editor.selection.setRange(range, false);\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"joinlines\",\n    description: \"Join lines\",\n    bindKey: bindKey(null, null),\n    exec: function(editor) {\n        var isBackwards = editor.selection.isBackwards();\n        var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();\n        var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();\n        var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;\n        var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());\n        var selectedCount = selectedText.replace(/\\n\\s*/, \" \").length;\n        var insertLine = editor.session.doc.getLine(selectionStart.row);\n\n        for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {\n            var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));\n            if (curLine.length !== 0) {\n                curLine = \" \" + curLine;\n            }\n            insertLine += curLine;\n        }\n\n        if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {\n            insertLine += editor.session.doc.getNewLineCharacter();\n        }\n\n        editor.clearSelection();\n        editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);\n\n        if (selectedCount > 0) {\n            editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);\n            editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);\n        } else {\n            firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;\n            editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);\n        }\n    },\n    multiSelectAction: \"forEach\",\n    readOnly: true\n}, {\n    name: \"invertSelection\",\n    description: \"Invert selection\",\n    bindKey: bindKey(null, null),\n    exec: function(editor) {\n        var endRow = editor.session.doc.getLength() - 1;\n        var endCol = editor.session.doc.getLine(endRow).length;\n        var ranges = editor.selection.rangeList.ranges;\n        var newRanges = [];\n        if (ranges.length < 1) {\n            ranges = [editor.selection.getRange()];\n        }\n\n        for (var i = 0; i < ranges.length; i++) {\n            if (i == (ranges.length - 1)) {\n                if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {\n                    newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));\n                }\n            }\n\n            if (i === 0) {\n                if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {\n                    newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));\n                }\n            } else {\n                newRanges.push(new Range(ranges[i-1].end.row, ranges[i-1].end.column, ranges[i].start.row, ranges[i].start.column));\n            }\n        }\n\n        editor.exitMultiSelectMode();\n        editor.clearSelection();\n\n        for(var i = 0; i < newRanges.length; i++) {\n            editor.selection.addRange(newRanges[i], false);\n        }\n    },\n    readOnly: true,\n    scrollIntoView: \"none\"\n}, {\n    name: \"addLineAfter\",\n    exec: function(editor) {\n        editor.selection.clearSelection();\n        editor.navigateLineEnd();\n        editor.insert(\"\\n\");\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"addLineBefore\",\n    exec: function(editor) {\n        editor.selection.clearSelection();\n        var cursor = editor.getCursorPosition();\n        editor.selection.moveTo(cursor.row - 1, Number.MAX_VALUE);\n        editor.insert(\"\\n\");\n        if (cursor.row === 0) editor.navigateUp();\n    },\n    multiSelectAction: \"forEach\",\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"openCommandPallete\",\n    description: \"Open command pallete\",\n    bindKey: bindKey(\"F1\", \"F1\"),\n    exec: function(editor) {\n        editor.prompt({ $type: \"commands\" });\n    },\n    readOnly: true\n}, {\n    name: \"modeSelect\",\n    description: \"Change language mode...\",\n    bindKey: bindKey(null, null),\n    exec: function(editor) {\n        editor.prompt({ $type: \"modes\" });\n    },\n    readOnly: true\n}];\n\nfor (var i = 1; i < 9; i++) {\n    exports.commands.push({\n        name: \"foldToLevel\" + i,\n        description: \"Fold To Level \" + i,\n        level: i,\n        exec: function(editor) { editor.session.foldToLevel(this.level); },\n        scrollIntoView: \"center\",\n        readOnly: true\n    });\n}\n\n});\n\nace.define(\"ace/editor\",[\"require\",\"exports\",\"module\",\"ace/lib/fixoldbrowsers\",\"ace/lib/oop\",\"ace/lib/dom\",\"ace/lib/lang\",\"ace/lib/useragent\",\"ace/keyboard/textinput\",\"ace/mouse/mouse_handler\",\"ace/mouse/fold_handler\",\"ace/keyboard/keybinding\",\"ace/edit_session\",\"ace/search\",\"ace/range\",\"ace/lib/event_emitter\",\"ace/commands/command_manager\",\"ace/commands/default_commands\",\"ace/config\",\"ace/token_iterator\",\"ace/clipboard\"], function(require, exports, module) {\n\"use strict\";\n\nrequire(\"./lib/fixoldbrowsers\");\n\nvar oop = require(\"./lib/oop\");\nvar dom = require(\"./lib/dom\");\nvar lang = require(\"./lib/lang\");\nvar useragent = require(\"./lib/useragent\");\nvar TextInput = require(\"./keyboard/textinput\").TextInput;\nvar MouseHandler = require(\"./mouse/mouse_handler\").MouseHandler;\nvar FoldHandler = require(\"./mouse/fold_handler\").FoldHandler;\nvar KeyBinding = require(\"./keyboard/keybinding\").KeyBinding;\nvar EditSession = require(\"./edit_session\").EditSession;\nvar Search = require(\"./search\").Search;\nvar Range = require(\"./range\").Range;\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar CommandManager = require(\"./commands/command_manager\").CommandManager;\nvar defaultCommands = require(\"./commands/default_commands\").commands;\nvar config = require(\"./config\");\nvar TokenIterator = require(\"./token_iterator\").TokenIterator;\n\nvar clipboard = require(\"./clipboard\");\nvar Editor = function(renderer, session, options) {\n    this.$toDestroy = [];\n    var container = renderer.getContainerElement();\n    this.container = container;\n    this.renderer = renderer;\n    this.id = \"editor\" + (++Editor.$uid);\n\n    this.commands = new CommandManager(useragent.isMac ? \"mac\" : \"win\", defaultCommands);\n    if (typeof document == \"object\") {\n        this.textInput = new TextInput(renderer.getTextAreaContainer(), this);\n        this.renderer.textarea = this.textInput.getElement();\n        this.$mouseHandler = new MouseHandler(this);\n        new FoldHandler(this);\n    }\n\n    this.keyBinding = new KeyBinding(this);\n\n    this.$search = new Search().set({\n        wrap: true\n    });\n\n    this.$historyTracker = this.$historyTracker.bind(this);\n    this.commands.on(\"exec\", this.$historyTracker);\n\n    this.$initOperationListeners();\n    \n    this._$emitInputEvent = lang.delayedCall(function() {\n        this._signal(\"input\", {});\n        if (this.session && this.session.bgTokenizer)\n            this.session.bgTokenizer.scheduleStart();\n    }.bind(this));\n    \n    this.on(\"change\", function(_, _self) {\n        _self._$emitInputEvent.schedule(31);\n    });\n\n    this.setSession(session || options && options.session || new EditSession(\"\"));\n    config.resetOptions(this);\n    if (options)\n        this.setOptions(options);\n    config._signal(\"editor\", this);\n};\n\nEditor.$uid = 0;\n\n(function(){\n\n    oop.implement(this, EventEmitter);\n\n    this.$initOperationListeners = function() {\n        this.commands.on(\"exec\", this.startOperation.bind(this), true);\n        this.commands.on(\"afterExec\", this.endOperation.bind(this), true);\n\n        this.$opResetTimer = lang.delayedCall(this.endOperation.bind(this, true));\n        this.on(\"change\", function() {\n            if (!this.curOp) {\n                this.startOperation();\n                this.curOp.selectionBefore = this.$lastSel;\n            }\n            this.curOp.docChanged = true;\n        }.bind(this), true);\n        \n        this.on(\"changeSelection\", function() {\n            if (!this.curOp) {\n                this.startOperation();\n                this.curOp.selectionBefore = this.$lastSel;\n            }\n            this.curOp.selectionChanged = true;\n        }.bind(this), true);\n    };\n\n    this.curOp = null;\n    this.prevOp = {};\n    this.startOperation = function(commandEvent) {\n        if (this.curOp) {\n            if (!commandEvent || this.curOp.command)\n                return;\n            this.prevOp = this.curOp;\n        }\n        if (!commandEvent) {\n            this.previousCommand = null;\n            commandEvent = {};\n        }\n\n        this.$opResetTimer.schedule();\n        this.curOp = this.session.curOp = {\n            command: commandEvent.command || {},\n            args: commandEvent.args,\n            scrollTop: this.renderer.scrollTop\n        };\n        this.curOp.selectionBefore = this.selection.toJSON();\n    };\n\n    this.endOperation = function(e) {\n        if (this.curOp && this.session) {\n            if (e && e.returnValue === false || !this.session)\n                return (this.curOp = null);\n            if (e == true && this.curOp.command && this.curOp.command.name == \"mouse\")\n                return;\n            this._signal(\"beforeEndOperation\");\n            if (!this.curOp) return;\n            var command = this.curOp.command;\n            var scrollIntoView = command && command.scrollIntoView;\n            if (scrollIntoView) {\n                switch (scrollIntoView) {\n                    case \"center-animate\":\n                        scrollIntoView = \"animate\";\n                    case \"center\":\n                        this.renderer.scrollCursorIntoView(null, 0.5);\n                        break;\n                    case \"animate\":\n                    case \"cursor\":\n                        this.renderer.scrollCursorIntoView();\n                        break;\n                    case \"selectionPart\":\n                        var range = this.selection.getRange();\n                        var config = this.renderer.layerConfig;\n                        if (range.start.row >= config.lastRow || range.end.row <= config.firstRow) {\n                            this.renderer.scrollSelectionIntoView(this.selection.anchor, this.selection.lead);\n                        }\n                        break;\n                    default:\n                        break;\n                }\n                if (scrollIntoView == \"animate\")\n                    this.renderer.animateScrolling(this.curOp.scrollTop);\n            }\n            var sel = this.selection.toJSON();\n            this.curOp.selectionAfter = sel;\n            this.$lastSel = this.selection.toJSON();\n            this.session.getUndoManager().addSelection(sel);\n            this.prevOp = this.curOp;\n            this.curOp = null;\n        }\n    };\n    this.$mergeableCommands = [\"backspace\", \"del\", \"insertstring\"];\n    this.$historyTracker = function(e) {\n        if (!this.$mergeUndoDeltas)\n            return;\n\n        var prev = this.prevOp;\n        var mergeableCommands = this.$mergeableCommands;\n        var shouldMerge = prev.command && (e.command.name == prev.command.name);\n        if (e.command.name == \"insertstring\") {\n            var text = e.args;\n            if (this.mergeNextCommand === undefined)\n                this.mergeNextCommand = true;\n\n            shouldMerge = shouldMerge\n                && this.mergeNextCommand // previous command allows to coalesce with\n                && (!/\\s/.test(text) || /\\s/.test(prev.args)); // previous insertion was of same type\n\n            this.mergeNextCommand = true;\n        } else {\n            shouldMerge = shouldMerge\n                && mergeableCommands.indexOf(e.command.name) !== -1; // the command is mergeable\n        }\n\n        if (\n            this.$mergeUndoDeltas != \"always\"\n            && Date.now() - this.sequenceStartTime > 2000\n        ) {\n            shouldMerge = false; // the sequence is too long\n        }\n\n        if (shouldMerge)\n            this.session.mergeUndoDeltas = true;\n        else if (mergeableCommands.indexOf(e.command.name) !== -1)\n            this.sequenceStartTime = Date.now();\n    };\n    this.setKeyboardHandler = function(keyboardHandler, cb) {\n        if (keyboardHandler && typeof keyboardHandler === \"string\" && keyboardHandler != \"ace\") {\n            this.$keybindingId = keyboardHandler;\n            var _self = this;\n            config.loadModule([\"keybinding\", keyboardHandler], function(module) {\n                if (_self.$keybindingId == keyboardHandler)\n                    _self.keyBinding.setKeyboardHandler(module && module.handler);\n                cb && cb();\n            });\n        } else {\n            this.$keybindingId = null;\n            this.keyBinding.setKeyboardHandler(keyboardHandler);\n            cb && cb();\n        }\n    };\n    this.getKeyboardHandler = function() {\n        return this.keyBinding.getKeyboardHandler();\n    };\n    this.setSession = function(session) {\n        if (this.session == session)\n            return;\n        if (this.curOp) this.endOperation();\n        this.curOp = {};\n\n        var oldSession = this.session;\n        if (oldSession) {\n            this.session.off(\"change\", this.$onDocumentChange);\n            this.session.off(\"changeMode\", this.$onChangeMode);\n            this.session.off(\"tokenizerUpdate\", this.$onTokenizerUpdate);\n            this.session.off(\"changeTabSize\", this.$onChangeTabSize);\n            this.session.off(\"changeWrapLimit\", this.$onChangeWrapLimit);\n            this.session.off(\"changeWrapMode\", this.$onChangeWrapMode);\n            this.session.off(\"changeFold\", this.$onChangeFold);\n            this.session.off(\"changeFrontMarker\", this.$onChangeFrontMarker);\n            this.session.off(\"changeBackMarker\", this.$onChangeBackMarker);\n            this.session.off(\"changeBreakpoint\", this.$onChangeBreakpoint);\n            this.session.off(\"changeAnnotation\", this.$onChangeAnnotation);\n            this.session.off(\"changeOverwrite\", this.$onCursorChange);\n            this.session.off(\"changeScrollTop\", this.$onScrollTopChange);\n            this.session.off(\"changeScrollLeft\", this.$onScrollLeftChange);\n\n            var selection = this.session.getSelection();\n            selection.off(\"changeCursor\", this.$onCursorChange);\n            selection.off(\"changeSelection\", this.$onSelectionChange);\n        }\n\n        this.session = session;\n        if (session) {\n            this.$onDocumentChange = this.onDocumentChange.bind(this);\n            session.on(\"change\", this.$onDocumentChange);\n            this.renderer.setSession(session);\n    \n            this.$onChangeMode = this.onChangeMode.bind(this);\n            session.on(\"changeMode\", this.$onChangeMode);\n    \n            this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);\n            session.on(\"tokenizerUpdate\", this.$onTokenizerUpdate);\n    \n            this.$onChangeTabSize = this.renderer.onChangeTabSize.bind(this.renderer);\n            session.on(\"changeTabSize\", this.$onChangeTabSize);\n    \n            this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);\n            session.on(\"changeWrapLimit\", this.$onChangeWrapLimit);\n    \n            this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);\n            session.on(\"changeWrapMode\", this.$onChangeWrapMode);\n    \n            this.$onChangeFold = this.onChangeFold.bind(this);\n            session.on(\"changeFold\", this.$onChangeFold);\n    \n            this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);\n            this.session.on(\"changeFrontMarker\", this.$onChangeFrontMarker);\n    \n            this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);\n            this.session.on(\"changeBackMarker\", this.$onChangeBackMarker);\n    \n            this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);\n            this.session.on(\"changeBreakpoint\", this.$onChangeBreakpoint);\n    \n            this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);\n            this.session.on(\"changeAnnotation\", this.$onChangeAnnotation);\n    \n            this.$onCursorChange = this.onCursorChange.bind(this);\n            this.session.on(\"changeOverwrite\", this.$onCursorChange);\n    \n            this.$onScrollTopChange = this.onScrollTopChange.bind(this);\n            this.session.on(\"changeScrollTop\", this.$onScrollTopChange);\n    \n            this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);\n            this.session.on(\"changeScrollLeft\", this.$onScrollLeftChange);\n    \n            this.selection = session.getSelection();\n            this.selection.on(\"changeCursor\", this.$onCursorChange);\n    \n            this.$onSelectionChange = this.onSelectionChange.bind(this);\n            this.selection.on(\"changeSelection\", this.$onSelectionChange);\n    \n            this.onChangeMode();\n    \n            this.onCursorChange();\n    \n            this.onScrollTopChange();\n            this.onScrollLeftChange();\n            this.onSelectionChange();\n            this.onChangeFrontMarker();\n            this.onChangeBackMarker();\n            this.onChangeBreakpoint();\n            this.onChangeAnnotation();\n            this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();\n            this.renderer.updateFull();\n        } else {\n            this.selection = null;\n            this.renderer.setSession(session);\n        }\n\n        this._signal(\"changeSession\", {\n            session: session,\n            oldSession: oldSession\n        });\n        \n        this.curOp = null;\n        \n        oldSession && oldSession._signal(\"changeEditor\", {oldEditor: this});\n        session && session._signal(\"changeEditor\", {editor: this});\n        \n        if (session && session.bgTokenizer)\n            session.bgTokenizer.scheduleStart();\n    };\n    this.getSession = function() {\n        return this.session;\n    };\n    this.setValue = function(val, cursorPos) {\n        this.session.doc.setValue(val);\n\n        if (!cursorPos)\n            this.selectAll();\n        else if (cursorPos == 1)\n            this.navigateFileEnd();\n        else if (cursorPos == -1)\n            this.navigateFileStart();\n\n        return val;\n    };\n    this.getValue = function() {\n        return this.session.getValue();\n    };\n    this.getSelection = function() {\n        return this.selection;\n    };\n    this.resize = function(force) {\n        this.renderer.onResize(force);\n    };\n    this.setTheme = function(theme, cb) {\n        this.renderer.setTheme(theme, cb);\n    };\n    this.getTheme = function() {\n        return this.renderer.getTheme();\n    };\n    this.setStyle = function(style) {\n        this.renderer.setStyle(style);\n    };\n    this.unsetStyle = function(style) {\n        this.renderer.unsetStyle(style);\n    };\n    this.getFontSize = function () {\n        return this.getOption(\"fontSize\") ||\n           dom.computedStyle(this.container).fontSize;\n    };\n    this.setFontSize = function(size) {\n        this.setOption(\"fontSize\", size);\n    };\n\n    this.$highlightBrackets = function() {\n        if (this.$highlightPending) {\n            return;\n        }\n        var self = this;\n        this.$highlightPending = true;\n        setTimeout(function () {\n            self.$highlightPending = false;\n            var session = self.session;\n            if (!session || !session.bgTokenizer) return;\n            if (session.$bracketHighlight) {\n                session.$bracketHighlight.markerIds.forEach(function(id) {\n                    session.removeMarker(id);\n                });\n                session.$bracketHighlight = null;\n            }\n            var ranges = session.getMatchingBracketRanges(self.getCursorPosition());\n            if (!ranges && session.$mode.getMatching) \n                ranges = session.$mode.getMatching(self.session);\n            if (!ranges)\n                return;\n\n            var markerType = \"ace_bracket\";\n            if (!Array.isArray(ranges)) {\n                ranges = [ranges];\n            } else if (ranges.length == 1) {\n                markerType = \"ace_error_bracket\";\n            }\n            if (ranges.length == 2) {\n                if (Range.comparePoints(ranges[0].end, ranges[1].start) == 0)\n                    ranges = [Range.fromPoints(ranges[0].start, ranges[1].end)];\n                else if (Range.comparePoints(ranges[0].start, ranges[1].end) == 0)\n                    ranges = [Range.fromPoints(ranges[1].start, ranges[0].end)];\n            }\n\n            session.$bracketHighlight = {\n                ranges: ranges,\n                markerIds: ranges.map(function(range) {\n                    return session.addMarker(range, markerType, \"text\");\n                })\n            };\n        }, 50);\n    };\n    this.$highlightTags = function() {\n        if (this.$highlightTagPending)\n            return;\n        var self = this;\n        this.$highlightTagPending = true;\n        setTimeout(function() {\n            self.$highlightTagPending = false;\n            \n            var session = self.session;\n            if (!session || !session.bgTokenizer) return;\n            \n            var pos = self.getCursorPosition();\n            var iterator = new TokenIterator(self.session, pos.row, pos.column);\n            var token = iterator.getCurrentToken();\n            \n            if (!token || !/\\b(?:tag-open|tag-name)/.test(token.type)) {\n                session.removeMarker(session.$tagHighlight);\n                session.$tagHighlight = null;\n                return;\n            }\n            \n            if (token.type.indexOf(\"tag-open\") !== -1) {\n                token = iterator.stepForward();\n                if (!token)\n                    return;\n            }\n            \n            var tag = token.value;\n            var currentTag = token.value;\n            var depth = 0;\n            var prevToken = iterator.stepBackward();\n            \n            if (prevToken.value === '<'){\n                do {\n                    prevToken = token;\n                    token = iterator.stepForward();\n\n                    if (token) {\n                        if (token.type.indexOf('tag-name') !== -1) {\n                            currentTag = token.value;\n                            if (tag === currentTag) {\n                                if (prevToken.value === '<') {\n                                    depth++;\n                                } else if (prevToken.value === '</') {\n                                    depth--;\n                                }\n                            }\n                        } else if (tag === currentTag && token.value === '/>') { // self closing tag\n                            depth--;\n                        }\n                    }\n                    \n                } while (token && depth >= 0);\n            } else {\n                do {\n                    token = prevToken;\n                    prevToken = iterator.stepBackward();\n\n                    if (token) {\n                        if (token.type.indexOf('tag-name') !== -1) {\n                            if (tag === token.value) {\n                                if (prevToken.value === '<') {\n                                    depth++;\n                                } else if (prevToken.value === '</') {\n                                    depth--;\n                                }\n                            }\n                        } else if (token.value === '/>') { // self closing tag\n                            var stepCount = 0;\n                            var tmpToken = prevToken;\n                            while (tmpToken) {\n                                if (tmpToken.type.indexOf('tag-name') !== -1 && tmpToken.value === tag) {\n                                    depth--;\n                                    break;\n                                } else if (tmpToken.value === '<') {\n                                    break;\n                                }\n                                tmpToken = iterator.stepBackward();\n                                stepCount++;\n                            }\n                            for (var i = 0; i < stepCount; i++) {\n                                iterator.stepForward();\n                            }\n                        }\n                    }\n                } while (prevToken && depth <= 0);\n                iterator.stepForward();\n            }\n            \n            if (!token) {\n                session.removeMarker(session.$tagHighlight);\n                session.$tagHighlight = null;\n                return;\n            }\n            \n            var row = iterator.getCurrentTokenRow();\n            var column = iterator.getCurrentTokenColumn();\n            var range = new Range(row, column, row, column+token.value.length);\n            var sbm = session.$backMarkers[session.$tagHighlight];\n            if (session.$tagHighlight && sbm != undefined && range.compareRange(sbm.range) !== 0) {\n                session.removeMarker(session.$tagHighlight);\n                session.$tagHighlight = null;\n            }\n            \n            if (!session.$tagHighlight)\n                session.$tagHighlight = session.addMarker(range, \"ace_bracket\", \"text\");\n        }, 50);\n    };\n    this.focus = function() {\n        var _self = this;\n        setTimeout(function() {\n            if (!_self.isFocused())\n                _self.textInput.focus();\n        });\n        this.textInput.focus();\n    };\n    this.isFocused = function() {\n        return this.textInput.isFocused();\n    };\n    this.blur = function() {\n        this.textInput.blur();\n    };\n    this.onFocus = function(e) {\n        if (this.$isFocused)\n            return;\n        this.$isFocused = true;\n        this.renderer.showCursor();\n        this.renderer.visualizeFocus();\n        this._emit(\"focus\", e);\n    };\n    this.onBlur = function(e) {\n        if (!this.$isFocused)\n            return;\n        this.$isFocused = false;\n        this.renderer.hideCursor();\n        this.renderer.visualizeBlur();\n        this._emit(\"blur\", e);\n    };\n\n    this.$cursorChange = function() {\n        this.renderer.updateCursor();\n        this.$highlightBrackets();\n        this.$highlightTags();\n        this.$updateHighlightActiveLine();\n    };\n    this.onDocumentChange = function(delta) {\n        var wrap = this.session.$useWrapMode;\n        var lastRow = (delta.start.row == delta.end.row ? delta.end.row : Infinity);\n        this.renderer.updateLines(delta.start.row, lastRow, wrap);\n\n        this._signal(\"change\", delta);\n        this.$cursorChange();\n    };\n\n    this.onTokenizerUpdate = function(e) {\n        var rows = e.data;\n        this.renderer.updateLines(rows.first, rows.last);\n    };\n\n\n    this.onScrollTopChange = function() {\n        this.renderer.scrollToY(this.session.getScrollTop());\n    };\n\n    this.onScrollLeftChange = function() {\n        this.renderer.scrollToX(this.session.getScrollLeft());\n    };\n    this.onCursorChange = function() {\n        this.$cursorChange();\n        this._signal(\"changeSelection\");\n    };\n\n    this.$updateHighlightActiveLine = function() {\n        var session = this.getSession();\n\n        var highlight;\n        if (this.$highlightActiveLine) {\n            if (this.$selectionStyle != \"line\" || !this.selection.isMultiLine())\n                highlight = this.getCursorPosition();\n            if (this.renderer.theme && this.renderer.theme.$selectionColorConflict && !this.selection.isEmpty())\n                highlight = false;\n            if (this.renderer.$maxLines && this.session.getLength() === 1 && !(this.renderer.$minLines > 1))\n                highlight = false;\n        }\n\n        if (session.$highlightLineMarker && !highlight) {\n            session.removeMarker(session.$highlightLineMarker.id);\n            session.$highlightLineMarker = null;\n        } else if (!session.$highlightLineMarker && highlight) {\n            var range = new Range(highlight.row, highlight.column, highlight.row, Infinity);\n            range.id = session.addMarker(range, \"ace_active-line\", \"screenLine\");\n            session.$highlightLineMarker = range;\n        } else if (highlight) {\n            session.$highlightLineMarker.start.row = highlight.row;\n            session.$highlightLineMarker.end.row = highlight.row;\n            session.$highlightLineMarker.start.column = highlight.column;\n            session._signal(\"changeBackMarker\");\n        }\n    };\n\n    this.onSelectionChange = function(e) {\n        var session = this.session;\n\n        if (session.$selectionMarker) {\n            session.removeMarker(session.$selectionMarker);\n        }\n        session.$selectionMarker = null;\n\n        if (!this.selection.isEmpty()) {\n            var range = this.selection.getRange();\n            var style = this.getSelectionStyle();\n            session.$selectionMarker = session.addMarker(range, \"ace_selection\", style);\n        } else {\n            this.$updateHighlightActiveLine();\n        }\n\n        var re = this.$highlightSelectedWord && this.$getSelectionHighLightRegexp();\n        this.session.highlight(re);\n\n        this._signal(\"changeSelection\");\n    };\n\n    this.$getSelectionHighLightRegexp = function() {\n        var session = this.session;\n\n        var selection = this.getSelectionRange();\n        if (selection.isEmpty() || selection.isMultiLine())\n            return;\n\n        var startColumn = selection.start.column;\n        var endColumn = selection.end.column;\n        var line = session.getLine(selection.start.row);\n        \n        var needle = line.substring(startColumn, endColumn);\n        if (needle.length > 5000 || !/[\\w\\d]/.test(needle))\n            return;\n\n        var re = this.$search.$assembleRegExp({\n            wholeWord: true,\n            caseSensitive: true,\n            needle: needle\n        });\n        \n        var wordWithBoundary = line.substring(startColumn - 1, endColumn + 1);\n        if (!re.test(wordWithBoundary))\n            return;\n        \n        return re;\n    };\n\n\n    this.onChangeFrontMarker = function() {\n        this.renderer.updateFrontMarkers();\n    };\n\n    this.onChangeBackMarker = function() {\n        this.renderer.updateBackMarkers();\n    };\n\n\n    this.onChangeBreakpoint = function() {\n        this.renderer.updateBreakpoints();\n    };\n\n    this.onChangeAnnotation = function() {\n        this.renderer.setAnnotations(this.session.getAnnotations());\n    };\n\n\n    this.onChangeMode = function(e) {\n        this.renderer.updateText();\n        this._emit(\"changeMode\", e);\n    };\n\n\n    this.onChangeWrapLimit = function() {\n        this.renderer.updateFull();\n    };\n\n    this.onChangeWrapMode = function() {\n        this.renderer.onResize(true);\n    };\n\n\n    this.onChangeFold = function() {\n        this.$updateHighlightActiveLine();\n        this.renderer.updateFull();\n    };\n    this.getSelectedText = function() {\n        return this.session.getTextRange(this.getSelectionRange());\n    };\n    this.getCopyText = function() {\n        var text = this.getSelectedText();\n        var nl = this.session.doc.getNewLineCharacter();\n        var copyLine= false;\n        if (!text && this.$copyWithEmptySelection) {\n            copyLine = true;\n            var ranges = this.selection.getAllRanges();\n            for (var i = 0; i < ranges.length; i++) {\n                var range = ranges[i];\n                if (i && ranges[i - 1].start.row == range.start.row)\n                    continue;\n                text += this.session.getLine(range.start.row) + nl;\n            }\n        }\n        var e = {text: text};\n        this._signal(\"copy\", e);\n        clipboard.lineMode = copyLine ? e.text : \"\";\n        return e.text;\n    };\n    this.onCopy = function() {\n        this.commands.exec(\"copy\", this);\n    };\n    this.onCut = function() {\n        this.commands.exec(\"cut\", this);\n    };\n    this.onPaste = function(text, event) {\n        var e = {text: text, event: event};\n        this.commands.exec(\"paste\", this, e);\n    };\n    \n    this.$handlePaste = function(e) {\n        if (typeof e == \"string\") \n            e = {text: e};\n        this._signal(\"paste\", e);\n        var text = e.text;\n\n        var lineMode = text == clipboard.lineMode;\n        var session = this.session;\n        if (!this.inMultiSelectMode || this.inVirtualSelectionMode) {\n            if (lineMode)\n                session.insert({ row: this.selection.lead.row, column: 0 }, text);\n            else\n                this.insert(text);\n        } else if (lineMode) {\n            this.selection.rangeList.ranges.forEach(function(range) {\n                session.insert({ row: range.start.row, column: 0 }, text);\n            });\n        } else {\n            var lines = text.split(/\\r\\n|\\r|\\n/);\n            var ranges = this.selection.rangeList.ranges;\n    \n            var isFullLine = lines.length == 2 && (!lines[0] || !lines[1]);\n            if (lines.length != ranges.length || isFullLine)\n                return this.commands.exec(\"insertstring\", this, text);\n    \n            for (var i = ranges.length; i--;) {\n                var range = ranges[i];\n                if (!range.isEmpty())\n                    session.remove(range);\n    \n                session.insert(range.start, lines[i]);\n            }\n        }\n    };\n\n    this.execCommand = function(command, args) {\n        return this.commands.exec(command, this, args);\n    };\n    this.insert = function(text, pasted) {\n        var session = this.session;\n        var mode = session.getMode();\n        var cursor = this.getCursorPosition();\n\n        if (this.getBehavioursEnabled() && !pasted) {\n            var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);\n            if (transform) {\n                if (text !== transform.text) {\n                    if (!this.inVirtualSelectionMode) {\n                        this.session.mergeUndoDeltas = false;\n                        this.mergeNextCommand = false;\n                    }\n                }\n                text = transform.text;\n\n            }\n        }\n        \n        if (text == \"\\t\")\n            text = this.session.getTabString();\n        if (!this.selection.isEmpty()) {\n            var range = this.getSelectionRange();\n            cursor = this.session.remove(range);\n            this.clearSelection();\n        }\n        else if (this.session.getOverwrite() && text.indexOf(\"\\n\") == -1) {\n            var range = new Range.fromPoints(cursor, cursor);\n            range.end.column += text.length;\n            this.session.remove(range);\n        }\n\n        if (text == \"\\n\" || text == \"\\r\\n\") {\n            var line = session.getLine(cursor.row);\n            if (cursor.column > line.search(/\\S|$/)) {\n                var d = line.substr(cursor.column).search(/\\S|$/);\n                session.doc.removeInLine(cursor.row, cursor.column, cursor.column + d);\n            }\n        }\n        this.clearSelection();\n\n        var start = cursor.column;\n        var lineState = session.getState(cursor.row);\n        var line = session.getLine(cursor.row);\n        var shouldOutdent = mode.checkOutdent(lineState, line, text);\n        session.insert(cursor, text);\n\n        if (transform && transform.selection) {\n            if (transform.selection.length == 2) { // Transform relative to the current column\n                this.selection.setSelectionRange(\n                    new Range(cursor.row, start + transform.selection[0],\n                              cursor.row, start + transform.selection[1]));\n            } else { // Transform relative to the current row.\n                this.selection.setSelectionRange(\n                    new Range(cursor.row + transform.selection[0],\n                              transform.selection[1],\n                              cursor.row + transform.selection[2],\n                              transform.selection[3]));\n            }\n        }\n        if (this.$enableAutoIndent) {\n            if (session.getDocument().isNewLine(text)) {\n                var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());\n\n                session.insert({row: cursor.row+1, column: 0}, lineIndent);\n            }\n            if (shouldOutdent)\n                mode.autoOutdent(lineState, session, cursor.row);\n        }\n    };\n\n    this.autoIndent = function () {\n        var session = this.session;\n        var mode = session.getMode();\n\n        var startRow, endRow;\n        if (this.selection.isEmpty()) {\n            startRow = 0;\n            endRow = session.doc.getLength() - 1;\n        } else {\n            var selectedRange = this.getSelectionRange();\n\n            startRow = selectedRange.start.row;\n            endRow = selectedRange.end.row;\n        }\n\n        var prevLineState = \"\";\n        var prevLine = \"\";\n        var lineIndent = \"\";\n        var line, currIndent, range;\n        var tab = session.getTabString();\n\n        for (var row = startRow; row <= endRow; row++) {\n            if (row > 0) {\n                prevLineState = session.getState(row - 1);\n                prevLine = session.getLine(row - 1);\n                lineIndent = mode.getNextLineIndent(prevLineState, prevLine, tab);\n            }\n\n            line = session.getLine(row);\n            currIndent = mode.$getIndent(line);\n            if (lineIndent !== currIndent) {\n                if (currIndent.length > 0) {\n                    range = new Range(row, 0, row, currIndent.length);\n                    session.remove(range);\n                }\n                if (lineIndent.length > 0) {\n                    session.insert({row: row, column: 0}, lineIndent);\n                }\n            }\n\n            mode.autoOutdent(prevLineState, session, row);\n        }\n    };\n\n\n    this.onTextInput = function(text, composition) {\n        if (!composition)\n            return this.keyBinding.onTextInput(text);\n        \n        this.startOperation({command: { name: \"insertstring\" }});\n        var applyComposition = this.applyComposition.bind(this, text, composition);\n        if (this.selection.rangeCount)\n            this.forEachSelection(applyComposition);\n        else\n            applyComposition();\n        this.endOperation();\n    };\n    \n    this.applyComposition = function(text, composition) {\n        if (composition.extendLeft || composition.extendRight) {\n            var r = this.selection.getRange();\n            r.start.column -= composition.extendLeft;\n            r.end.column += composition.extendRight;\n            if (r.start.column < 0) {\n                r.start.row--;\n                r.start.column += this.session.getLine(r.start.row).length + 1;\n            }\n            this.selection.setRange(r);\n            if (!text && !r.isEmpty())\n                this.remove();\n        }\n        if (text || !this.selection.isEmpty())\n            this.insert(text, true);\n        if (composition.restoreStart || composition.restoreEnd) {\n            var r = this.selection.getRange();\n            r.start.column -= composition.restoreStart;\n            r.end.column -= composition.restoreEnd;\n            this.selection.setRange(r);\n        }\n    };\n\n    this.onCommandKey = function(e, hashId, keyCode) {\n        return this.keyBinding.onCommandKey(e, hashId, keyCode);\n    };\n    this.setOverwrite = function(overwrite) {\n        this.session.setOverwrite(overwrite);\n    };\n    this.getOverwrite = function() {\n        return this.session.getOverwrite();\n    };\n    this.toggleOverwrite = function() {\n        this.session.toggleOverwrite();\n    };\n    this.setScrollSpeed = function(speed) {\n        this.setOption(\"scrollSpeed\", speed);\n    };\n    this.getScrollSpeed = function() {\n        return this.getOption(\"scrollSpeed\");\n    };\n    this.setDragDelay = function(dragDelay) {\n        this.setOption(\"dragDelay\", dragDelay);\n    };\n    this.getDragDelay = function() {\n        return this.getOption(\"dragDelay\");\n    };\n    this.setSelectionStyle = function(val) {\n        this.setOption(\"selectionStyle\", val);\n    };\n    this.getSelectionStyle = function() {\n        return this.getOption(\"selectionStyle\");\n    };\n    this.setHighlightActiveLine = function(shouldHighlight) {\n        this.setOption(\"highlightActiveLine\", shouldHighlight);\n    };\n    this.getHighlightActiveLine = function() {\n        return this.getOption(\"highlightActiveLine\");\n    };\n    this.setHighlightGutterLine = function(shouldHighlight) {\n        this.setOption(\"highlightGutterLine\", shouldHighlight);\n    };\n\n    this.getHighlightGutterLine = function() {\n        return this.getOption(\"highlightGutterLine\");\n    };\n    this.setHighlightSelectedWord = function(shouldHighlight) {\n        this.setOption(\"highlightSelectedWord\", shouldHighlight);\n    };\n    this.getHighlightSelectedWord = function() {\n        return this.$highlightSelectedWord;\n    };\n\n    this.setAnimatedScroll = function(shouldAnimate){\n        this.renderer.setAnimatedScroll(shouldAnimate);\n    };\n\n    this.getAnimatedScroll = function(){\n        return this.renderer.getAnimatedScroll();\n    };\n    this.setShowInvisibles = function(showInvisibles) {\n        this.renderer.setShowInvisibles(showInvisibles);\n    };\n    this.getShowInvisibles = function() {\n        return this.renderer.getShowInvisibles();\n    };\n\n    this.setDisplayIndentGuides = function(display) {\n        this.renderer.setDisplayIndentGuides(display);\n    };\n\n    this.getDisplayIndentGuides = function() {\n        return this.renderer.getDisplayIndentGuides();\n    };\n    this.setShowPrintMargin = function(showPrintMargin) {\n        this.renderer.setShowPrintMargin(showPrintMargin);\n    };\n    this.getShowPrintMargin = function() {\n        return this.renderer.getShowPrintMargin();\n    };\n    this.setPrintMarginColumn = function(showPrintMargin) {\n        this.renderer.setPrintMarginColumn(showPrintMargin);\n    };\n    this.getPrintMarginColumn = function() {\n        return this.renderer.getPrintMarginColumn();\n    };\n    this.setReadOnly = function(readOnly) {\n        this.setOption(\"readOnly\", readOnly);\n    };\n    this.getReadOnly = function() {\n        return this.getOption(\"readOnly\");\n    };\n    this.setBehavioursEnabled = function (enabled) {\n        this.setOption(\"behavioursEnabled\", enabled);\n    };\n    this.getBehavioursEnabled = function () {\n        return this.getOption(\"behavioursEnabled\");\n    };\n    this.setWrapBehavioursEnabled = function (enabled) {\n        this.setOption(\"wrapBehavioursEnabled\", enabled);\n    };\n    this.getWrapBehavioursEnabled = function () {\n        return this.getOption(\"wrapBehavioursEnabled\");\n    };\n    this.setShowFoldWidgets = function(show) {\n        this.setOption(\"showFoldWidgets\", show);\n\n    };\n    this.getShowFoldWidgets = function() {\n        return this.getOption(\"showFoldWidgets\");\n    };\n\n    this.setFadeFoldWidgets = function(fade) {\n        this.setOption(\"fadeFoldWidgets\", fade);\n    };\n\n    this.getFadeFoldWidgets = function() {\n        return this.getOption(\"fadeFoldWidgets\");\n    };\n    this.remove = function(dir) {\n        if (this.selection.isEmpty()){\n            if (dir == \"left\")\n                this.selection.selectLeft();\n            else\n                this.selection.selectRight();\n        }\n\n        var range = this.getSelectionRange();\n        if (this.getBehavioursEnabled()) {\n            var session = this.session;\n            var state = session.getState(range.start.row);\n            var new_range = session.getMode().transformAction(state, 'deletion', this, session, range);\n\n            if (range.end.column === 0) {\n                var text = session.getTextRange(range);\n                if (text[text.length - 1] == \"\\n\") {\n                    var line = session.getLine(range.end.row);\n                    if (/^\\s+$/.test(line)) {\n                        range.end.column = line.length;\n                    }\n                }\n            }\n            if (new_range)\n                range = new_range;\n        }\n\n        this.session.remove(range);\n        this.clearSelection();\n    };\n    this.removeWordRight = function() {\n        if (this.selection.isEmpty())\n            this.selection.selectWordRight();\n\n        this.session.remove(this.getSelectionRange());\n        this.clearSelection();\n    };\n    this.removeWordLeft = function() {\n        if (this.selection.isEmpty())\n            this.selection.selectWordLeft();\n\n        this.session.remove(this.getSelectionRange());\n        this.clearSelection();\n    };\n    this.removeToLineStart = function() {\n        if (this.selection.isEmpty())\n            this.selection.selectLineStart();\n        if (this.selection.isEmpty())\n            this.selection.selectLeft();\n        this.session.remove(this.getSelectionRange());\n        this.clearSelection();\n    };\n    this.removeToLineEnd = function() {\n        if (this.selection.isEmpty())\n            this.selection.selectLineEnd();\n\n        var range = this.getSelectionRange();\n        if (range.start.column == range.end.column && range.start.row == range.end.row) {\n            range.end.column = 0;\n            range.end.row++;\n        }\n\n        this.session.remove(range);\n        this.clearSelection();\n    };\n    this.splitLine = function() {\n        if (!this.selection.isEmpty()) {\n            this.session.remove(this.getSelectionRange());\n            this.clearSelection();\n        }\n\n        var cursor = this.getCursorPosition();\n        this.insert(\"\\n\");\n        this.moveCursorToPosition(cursor);\n    };\n    this.transposeLetters = function() {\n        if (!this.selection.isEmpty()) {\n            return;\n        }\n\n        var cursor = this.getCursorPosition();\n        var column = cursor.column;\n        if (column === 0)\n            return;\n\n        var line = this.session.getLine(cursor.row);\n        var swap, range;\n        if (column < line.length) {\n            swap = line.charAt(column) + line.charAt(column-1);\n            range = new Range(cursor.row, column-1, cursor.row, column+1);\n        }\n        else {\n            swap = line.charAt(column-1) + line.charAt(column-2);\n            range = new Range(cursor.row, column-2, cursor.row, column);\n        }\n        this.session.replace(range, swap);\n        this.session.selection.moveToPosition(range.end);\n    };\n    this.toLowerCase = function() {\n        var originalRange = this.getSelectionRange();\n        if (this.selection.isEmpty()) {\n            this.selection.selectWord();\n        }\n\n        var range = this.getSelectionRange();\n        var text = this.session.getTextRange(range);\n        this.session.replace(range, text.toLowerCase());\n        this.selection.setSelectionRange(originalRange);\n    };\n    this.toUpperCase = function() {\n        var originalRange = this.getSelectionRange();\n        if (this.selection.isEmpty()) {\n            this.selection.selectWord();\n        }\n\n        var range = this.getSelectionRange();\n        var text = this.session.getTextRange(range);\n        this.session.replace(range, text.toUpperCase());\n        this.selection.setSelectionRange(originalRange);\n    };\n    this.indent = function() {\n        var session = this.session;\n        var range = this.getSelectionRange();\n\n        if (range.start.row < range.end.row) {\n            var rows = this.$getSelectedRows();\n            session.indentRows(rows.first, rows.last, \"\\t\");\n            return;\n        } else if (range.start.column < range.end.column) {\n            var text = session.getTextRange(range);\n            if (!/^\\s+$/.test(text)) {\n                var rows = this.$getSelectedRows();\n                session.indentRows(rows.first, rows.last, \"\\t\");\n                return;\n            }\n        }\n        \n        var line = session.getLine(range.start.row);\n        var position = range.start;\n        var size = session.getTabSize();\n        var column = session.documentToScreenColumn(position.row, position.column);\n\n        if (this.session.getUseSoftTabs()) {\n            var count = (size - column % size);\n            var indentString = lang.stringRepeat(\" \", count);\n        } else {\n            var count = column % size;\n            while (line[range.start.column - 1] == \" \" && count) {\n                range.start.column--;\n                count--;\n            }\n            this.selection.setSelectionRange(range);\n            indentString = \"\\t\";\n        }\n        return this.insert(indentString);\n    };\n    this.blockIndent = function() {\n        var rows = this.$getSelectedRows();\n        this.session.indentRows(rows.first, rows.last, \"\\t\");\n    };\n    this.blockOutdent = function() {\n        var selection = this.session.getSelection();\n        this.session.outdentRows(selection.getRange());\n    };\n    this.sortLines = function() {\n        var rows = this.$getSelectedRows();\n        var session = this.session;\n\n        var lines = [];\n        for (var i = rows.first; i <= rows.last; i++)\n            lines.push(session.getLine(i));\n\n        lines.sort(function(a, b) {\n            if (a.toLowerCase() < b.toLowerCase()) return -1;\n            if (a.toLowerCase() > b.toLowerCase()) return 1;\n            return 0;\n        });\n\n        var deleteRange = new Range(0, 0, 0, 0);\n        for (var i = rows.first; i <= rows.last; i++) {\n            var line = session.getLine(i);\n            deleteRange.start.row = i;\n            deleteRange.end.row = i;\n            deleteRange.end.column = line.length;\n            session.replace(deleteRange, lines[i-rows.first]);\n        }\n    };\n    this.toggleCommentLines = function() {\n        var state = this.session.getState(this.getCursorPosition().row);\n        var rows = this.$getSelectedRows();\n        this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);\n    };\n\n    this.toggleBlockComment = function() {\n        var cursor = this.getCursorPosition();\n        var state = this.session.getState(cursor.row);\n        var range = this.getSelectionRange();\n        this.session.getMode().toggleBlockComment(state, this.session, range, cursor);\n    };\n    this.getNumberAt = function(row, column) {\n        var _numberRx = /[\\-]?[0-9]+(?:\\.[0-9]+)?/g;\n        _numberRx.lastIndex = 0;\n\n        var s = this.session.getLine(row);\n        while (_numberRx.lastIndex < column) {\n            var m = _numberRx.exec(s);\n            if(m.index <= column && m.index+m[0].length >= column){\n                var number = {\n                    value: m[0],\n                    start: m.index,\n                    end: m.index+m[0].length\n                };\n                return number;\n            }\n        }\n        return null;\n    };\n    this.modifyNumber = function(amount) {\n        var row = this.selection.getCursor().row;\n        var column = this.selection.getCursor().column;\n        var charRange = new Range(row, column-1, row, column);\n\n        var c = this.session.getTextRange(charRange);\n        if (!isNaN(parseFloat(c)) && isFinite(c)) {\n            var nr = this.getNumberAt(row, column);\n            if (nr) {\n                var fp = nr.value.indexOf(\".\") >= 0 ? nr.start + nr.value.indexOf(\".\") + 1 : nr.end;\n                var decimals = nr.start + nr.value.length - fp;\n\n                var t = parseFloat(nr.value);\n                t *= Math.pow(10, decimals);\n\n\n                if(fp !== nr.end && column < fp){\n                    amount *= Math.pow(10, nr.end - column - 1);\n                } else {\n                    amount *= Math.pow(10, nr.end - column);\n                }\n\n                t += amount;\n                t /= Math.pow(10, decimals);\n                var nnr = t.toFixed(decimals);\n                var replaceRange = new Range(row, nr.start, row, nr.end);\n                this.session.replace(replaceRange, nnr);\n                this.moveCursorTo(row, Math.max(nr.start +1, column + nnr.length - nr.value.length));\n\n            }\n        } else {\n            this.toggleWord();\n        }\n    };\n\n    this.$toggleWordPairs = [\n        [\"first\", \"last\"],\n        [\"true\", \"false\"],\n        [\"yes\", \"no\"],\n        [\"width\", \"height\"],\n        [\"top\", \"bottom\"],\n        [\"right\", \"left\"],\n        [\"on\", \"off\"],\n        [\"x\", \"y\"],\n        [\"get\", \"set\"],\n        [\"max\", \"min\"],\n        [\"horizontal\", \"vertical\"],\n        [\"show\", \"hide\"],\n        [\"add\", \"remove\"],\n        [\"up\", \"down\"],\n        [\"before\", \"after\"],\n        [\"even\", \"odd\"],\n        [\"in\", \"out\"],\n        [\"inside\", \"outside\"],\n        [\"next\", \"previous\"],\n        [\"increase\", \"decrease\"],\n        [\"attach\", \"detach\"],\n        [\"&&\", \"||\"],\n        [\"==\", \"!=\"]\n    ];\n\n    this.toggleWord = function () {\n        var row = this.selection.getCursor().row;\n        var column = this.selection.getCursor().column;\n        this.selection.selectWord();\n        var currentState = this.getSelectedText();\n        var currWordStart = this.selection.getWordRange().start.column;\n        var wordParts = currentState.replace(/([a-z]+|[A-Z]+)(?=[A-Z_]|$)/g, '$1 ').split(/\\s/);\n        var delta = column - currWordStart - 1;\n        if (delta < 0) delta = 0;\n        var curLength = 0, itLength = 0;\n        var that = this;\n        if (currentState.match(/[A-Za-z0-9_]+/)) {\n            wordParts.forEach(function (item, i) {\n                itLength = curLength + item.length;\n                if (delta >= curLength && delta <= itLength) {\n                    currentState = item;\n                    that.selection.clearSelection();\n                    that.moveCursorTo(row, curLength + currWordStart);\n                    that.selection.selectTo(row, itLength + currWordStart);\n                }\n                curLength = itLength;\n            });\n        }\n\n        var wordPairs = this.$toggleWordPairs;\n        var reg;\n        for (var i = 0; i < wordPairs.length; i++) {\n            var item = wordPairs[i];\n            for (var j = 0; j <= 1; j++) {\n                var negate = +!j;\n                var firstCondition = currentState.match(new RegExp('^\\\\s?_?(' + lang.escapeRegExp(item[j]) + ')\\\\s?$', 'i'));\n                if (firstCondition) {\n                    var secondCondition = currentState.match(new RegExp('([_]|^|\\\\s)(' + lang.escapeRegExp(firstCondition[1]) + ')($|\\\\s)', 'g'));\n                    if (secondCondition) {\n                        reg = currentState.replace(new RegExp(lang.escapeRegExp(item[j]), 'i'), function (result) {\n                            var res = item[negate];\n                            if (result.toUpperCase() == result) {\n                                res = res.toUpperCase();\n                            } else if (result.charAt(0).toUpperCase() == result.charAt(0)) {\n                                res = res.substr(0, 0) + item[negate].charAt(0).toUpperCase() + res.substr(1);\n                            }\n                            return res;\n                        });\n                        this.insert(reg);\n                        reg = \"\";\n                    }\n                }\n            }\n        }\n    };\n    this.removeLines = function() {\n        var rows = this.$getSelectedRows();\n        this.session.removeFullLines(rows.first, rows.last);\n        this.clearSelection();\n    };\n\n    this.duplicateSelection = function() {\n        var sel = this.selection;\n        var doc = this.session;\n        var range = sel.getRange();\n        var reverse = sel.isBackwards();\n        if (range.isEmpty()) {\n            var row = range.start.row;\n            doc.duplicateLines(row, row);\n        } else {\n            var point = reverse ? range.start : range.end;\n            var endPoint = doc.insert(point, doc.getTextRange(range), false);\n            range.start = point;\n            range.end = endPoint;\n\n            sel.setSelectionRange(range, reverse);\n        }\n    };\n    this.moveLinesDown = function() {\n        this.$moveLines(1, false);\n    };\n    this.moveLinesUp = function() {\n        this.$moveLines(-1, false);\n    };\n    this.moveText = function(range, toPosition, copy) {\n        return this.session.moveText(range, toPosition, copy);\n    };\n    this.copyLinesUp = function() {\n        this.$moveLines(-1, true);\n    };\n    this.copyLinesDown = function() {\n        this.$moveLines(1, true);\n    };\n    this.$moveLines = function(dir, copy) {\n        var rows, moved;\n        var selection = this.selection;\n        if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {\n            var range = selection.toOrientedRange();\n            rows = this.$getSelectedRows(range);\n            moved = this.session.$moveLines(rows.first, rows.last, copy ? 0 : dir);\n            if (copy && dir == -1) moved = 0;\n            range.moveBy(moved, 0);\n            selection.fromOrientedRange(range);\n        } else {\n            var ranges = selection.rangeList.ranges;\n            selection.rangeList.detach(this.session);\n            this.inVirtualSelectionMode = true;\n            \n            var diff = 0;\n            var totalDiff = 0;\n            var l = ranges.length;\n            for (var i = 0; i < l; i++) {\n                var rangeIndex = i;\n                ranges[i].moveBy(diff, 0);\n                rows = this.$getSelectedRows(ranges[i]);\n                var first = rows.first;\n                var last = rows.last;\n                while (++i < l) {\n                    if (totalDiff) ranges[i].moveBy(totalDiff, 0);\n                    var subRows = this.$getSelectedRows(ranges[i]);\n                    if (copy && subRows.first != last)\n                        break;\n                    else if (!copy && subRows.first > last + 1)\n                        break;\n                    last = subRows.last;\n                }\n                i--;\n                diff = this.session.$moveLines(first, last, copy ? 0 : dir);\n                if (copy && dir == -1) rangeIndex = i + 1;\n                while (rangeIndex <= i) {\n                    ranges[rangeIndex].moveBy(diff, 0);\n                    rangeIndex++;\n                }\n                if (!copy) diff = 0;\n                totalDiff += diff;\n            }\n            \n            selection.fromOrientedRange(selection.ranges[0]);\n            selection.rangeList.attach(this.session);\n            this.inVirtualSelectionMode = false;\n        }\n    };\n    this.$getSelectedRows = function(range) {\n        range = (range || this.getSelectionRange()).collapseRows();\n\n        return {\n            first: this.session.getRowFoldStart(range.start.row),\n            last: this.session.getRowFoldEnd(range.end.row)\n        };\n    };\n\n    this.onCompositionStart = function(compositionState) {\n        this.renderer.showComposition(compositionState);\n    };\n\n    this.onCompositionUpdate = function(text) {\n        this.renderer.setCompositionText(text);\n    };\n\n    this.onCompositionEnd = function() {\n        this.renderer.hideComposition();\n    };\n    this.getFirstVisibleRow = function() {\n        return this.renderer.getFirstVisibleRow();\n    };\n    this.getLastVisibleRow = function() {\n        return this.renderer.getLastVisibleRow();\n    };\n    this.isRowVisible = function(row) {\n        return (row >= this.getFirstVisibleRow() && row <= this.getLastVisibleRow());\n    };\n    this.isRowFullyVisible = function(row) {\n        return (row >= this.renderer.getFirstFullyVisibleRow() && row <= this.renderer.getLastFullyVisibleRow());\n    };\n    this.$getVisibleRowCount = function() {\n        return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;\n    };\n\n    this.$moveByPage = function(dir, select) {\n        var renderer = this.renderer;\n        var config = this.renderer.layerConfig;\n        var rows = dir * Math.floor(config.height / config.lineHeight);\n\n        if (select === true) {\n            this.selection.$moveSelection(function(){\n                this.moveCursorBy(rows, 0);\n            });\n        } else if (select === false) {\n            this.selection.moveCursorBy(rows, 0);\n            this.selection.clearSelection();\n        }\n\n        var scrollTop = renderer.scrollTop;\n\n        renderer.scrollBy(0, rows * config.lineHeight);\n        if (select != null)\n            renderer.scrollCursorIntoView(null, 0.5);\n\n        renderer.animateScrolling(scrollTop);\n    };\n    this.selectPageDown = function() {\n        this.$moveByPage(1, true);\n    };\n    this.selectPageUp = function() {\n        this.$moveByPage(-1, true);\n    };\n    this.gotoPageDown = function() {\n       this.$moveByPage(1, false);\n    };\n    this.gotoPageUp = function() {\n        this.$moveByPage(-1, false);\n    };\n    this.scrollPageDown = function() {\n        this.$moveByPage(1);\n    };\n    this.scrollPageUp = function() {\n        this.$moveByPage(-1);\n    };\n    this.scrollToRow = function(row) {\n        this.renderer.scrollToRow(row);\n    };\n    this.scrollToLine = function(line, center, animate, callback) {\n        this.renderer.scrollToLine(line, center, animate, callback);\n    };\n    this.centerSelection = function() {\n        var range = this.getSelectionRange();\n        var pos = {\n            row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),\n            column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)\n        };\n        this.renderer.alignCursor(pos, 0.5);\n    };\n    this.getCursorPosition = function() {\n        return this.selection.getCursor();\n    };\n    this.getCursorPositionScreen = function() {\n        return this.session.documentToScreenPosition(this.getCursorPosition());\n    };\n    this.getSelectionRange = function() {\n        return this.selection.getRange();\n    };\n    this.selectAll = function() {\n        this.selection.selectAll();\n    };\n    this.clearSelection = function() {\n        this.selection.clearSelection();\n    };\n    this.moveCursorTo = function(row, column) {\n        this.selection.moveCursorTo(row, column);\n    };\n    this.moveCursorToPosition = function(pos) {\n        this.selection.moveCursorToPosition(pos);\n    };\n    this.jumpToMatching = function(select, expand) {\n        var cursor = this.getCursorPosition();\n        var iterator = new TokenIterator(this.session, cursor.row, cursor.column);\n        var prevToken = iterator.getCurrentToken();\n        var token = prevToken || iterator.stepForward();\n\n        if (!token) return;\n        var matchType;\n        var found = false;\n        var depth = {};\n        var i = cursor.column - token.start;\n        var bracketType;\n        var brackets = {\n            \")\": \"(\",\n            \"(\": \"(\",\n            \"]\": \"[\",\n            \"[\": \"[\",\n            \"{\": \"{\",\n            \"}\": \"{\"\n        };\n        \n        do {\n            if (token.value.match(/[{}()\\[\\]]/g)) {\n                for (; i < token.value.length && !found; i++) {\n                    if (!brackets[token.value[i]]) {\n                        continue;\n                    }\n\n                    bracketType = brackets[token.value[i]] + '.' + token.type.replace(\"rparen\", \"lparen\");\n\n                    if (isNaN(depth[bracketType])) {\n                        depth[bracketType] = 0;\n                    }\n\n                    switch (token.value[i]) {\n                        case '(':\n                        case '[':\n                        case '{':\n                            depth[bracketType]++;\n                            break;\n                        case ')':\n                        case ']':\n                        case '}':\n                            depth[bracketType]--;\n\n                            if (depth[bracketType] === -1) {\n                                matchType = 'bracket';\n                                found = true;\n                            }\n                        break;\n                    }\n                }\n            }\n            else if (token.type.indexOf('tag-name') !== -1) {\n                if (isNaN(depth[token.value])) {\n                    depth[token.value] = 0;\n                }\n                \n                if (prevToken.value === '<') {\n                    depth[token.value]++;\n                }\n                else if (prevToken.value === '</') {\n                    depth[token.value]--;\n                }\n                \n                if (depth[token.value] === -1) {\n                    matchType = 'tag';\n                    found = true;\n                }\n            }\n\n            if (!found) {\n                prevToken = token;\n                token = iterator.stepForward();\n                i = 0;\n            }\n        } while (token && !found);\n        if (!matchType)\n            return;\n\n        var range, pos;\n        if (matchType === 'bracket') {\n            range = this.session.getBracketRange(cursor);\n            if (!range) {\n                range = new Range(\n                    iterator.getCurrentTokenRow(),\n                    iterator.getCurrentTokenColumn() + i - 1,\n                    iterator.getCurrentTokenRow(),\n                    iterator.getCurrentTokenColumn() + i - 1\n                );\n                pos = range.start;\n                if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)\n                    range = this.session.getBracketRange(pos);\n            }\n        }\n        else if (matchType === 'tag') {\n            if (token && token.type.indexOf('tag-name') !== -1) \n                var tag = token.value;\n            else\n                return;\n\n            range = new Range(\n                iterator.getCurrentTokenRow(),\n                iterator.getCurrentTokenColumn() - 2,\n                iterator.getCurrentTokenRow(),\n                iterator.getCurrentTokenColumn() - 2\n            );\n            if (range.compare(cursor.row, cursor.column) === 0) {\n                found = false;\n                do {\n                    token = prevToken;\n                    prevToken = iterator.stepBackward();\n                    \n                    if (prevToken) {\n                        if (prevToken.type.indexOf('tag-close') !== -1) {\n                            range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);\n                        }\n\n                        if (token.value === tag && token.type.indexOf('tag-name') !== -1) {\n                            if (prevToken.value === '<') {\n                                depth[tag]++;\n                            }\n                            else if (prevToken.value === '</') {\n                                depth[tag]--;\n                            }\n                            \n                            if (depth[tag] === 0)\n                                found = true;\n                        }\n                    }\n                } while (prevToken && !found);\n            }\n            if (token && token.type.indexOf('tag-name')) {\n                pos = range.start;\n                if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)\n                    pos = range.end;\n            }\n        }\n\n        pos = range && range.cursor || pos;\n        if (pos) {\n            if (select) {\n                if (range && expand) {\n                    this.selection.setRange(range);\n                } else if (range && range.isEqual(this.getSelectionRange())) {\n                    this.clearSelection();\n                } else {\n                    this.selection.selectTo(pos.row, pos.column);\n                }\n            } else {\n                this.selection.moveTo(pos.row, pos.column);\n            }\n        }\n    };\n    this.gotoLine = function(lineNumber, column, animate) {\n        this.selection.clearSelection();\n        this.session.unfold({row: lineNumber - 1, column: column || 0});\n        this.exitMultiSelectMode && this.exitMultiSelectMode();\n        this.moveCursorTo(lineNumber - 1, column || 0);\n\n        if (!this.isRowFullyVisible(lineNumber - 1))\n            this.scrollToLine(lineNumber - 1, true, animate);\n    };\n    this.navigateTo = function(row, column) {\n        this.selection.moveTo(row, column);\n    };\n    this.navigateUp = function(times) {\n        if (this.selection.isMultiLine() && !this.selection.isBackwards()) {\n            var selectionStart = this.selection.anchor.getPosition();\n            return this.moveCursorToPosition(selectionStart);\n        }\n        this.selection.clearSelection();\n        this.selection.moveCursorBy(-times || -1, 0);\n    };\n    this.navigateDown = function(times) {\n        if (this.selection.isMultiLine() && this.selection.isBackwards()) {\n            var selectionEnd = this.selection.anchor.getPosition();\n            return this.moveCursorToPosition(selectionEnd);\n        }\n        this.selection.clearSelection();\n        this.selection.moveCursorBy(times || 1, 0);\n    };\n    this.navigateLeft = function(times) {\n        if (!this.selection.isEmpty()) {\n            var selectionStart = this.getSelectionRange().start;\n            this.moveCursorToPosition(selectionStart);\n        }\n        else {\n            times = times || 1;\n            while (times--) {\n                this.selection.moveCursorLeft();\n            }\n        }\n        this.clearSelection();\n    };\n    this.navigateRight = function(times) {\n        if (!this.selection.isEmpty()) {\n            var selectionEnd = this.getSelectionRange().end;\n            this.moveCursorToPosition(selectionEnd);\n        }\n        else {\n            times = times || 1;\n            while (times--) {\n                this.selection.moveCursorRight();\n            }\n        }\n        this.clearSelection();\n    };\n    this.navigateLineStart = function() {\n        this.selection.moveCursorLineStart();\n        this.clearSelection();\n    };\n    this.navigateLineEnd = function() {\n        this.selection.moveCursorLineEnd();\n        this.clearSelection();\n    };\n    this.navigateFileEnd = function() {\n        this.selection.moveCursorFileEnd();\n        this.clearSelection();\n    };\n    this.navigateFileStart = function() {\n        this.selection.moveCursorFileStart();\n        this.clearSelection();\n    };\n    this.navigateWordRight = function() {\n        this.selection.moveCursorWordRight();\n        this.clearSelection();\n    };\n    this.navigateWordLeft = function() {\n        this.selection.moveCursorWordLeft();\n        this.clearSelection();\n    };\n    this.replace = function(replacement, options) {\n        if (options)\n            this.$search.set(options);\n\n        var range = this.$search.find(this.session);\n        var replaced = 0;\n        if (!range)\n            return replaced;\n\n        if (this.$tryReplace(range, replacement)) {\n            replaced = 1;\n        }\n\n        this.selection.setSelectionRange(range);\n        this.renderer.scrollSelectionIntoView(range.start, range.end);\n\n        return replaced;\n    };\n    this.replaceAll = function(replacement, options) {\n        if (options) {\n            this.$search.set(options);\n        }\n\n        var ranges = this.$search.findAll(this.session);\n        var replaced = 0;\n        if (!ranges.length)\n            return replaced;\n\n        var selection = this.getSelectionRange();\n        this.selection.moveTo(0, 0);\n\n        for (var i = ranges.length - 1; i >= 0; --i) {\n            if(this.$tryReplace(ranges[i], replacement)) {\n                replaced++;\n            }\n        }\n\n        this.selection.setSelectionRange(selection);\n\n        return replaced;\n    };\n\n    this.$tryReplace = function(range, replacement) {\n        var input = this.session.getTextRange(range);\n        replacement = this.$search.replace(input, replacement);\n        if (replacement !== null) {\n            range.end = this.session.replace(range, replacement);\n            return range;\n        } else {\n            return null;\n        }\n    };\n    this.getLastSearchOptions = function() {\n        return this.$search.getOptions();\n    };\n    this.find = function(needle, options, animate) {\n        if (!options)\n            options = {};\n\n        if (typeof needle == \"string\" || needle instanceof RegExp)\n            options.needle = needle;\n        else if (typeof needle == \"object\")\n            oop.mixin(options, needle);\n\n        var range = this.selection.getRange();\n        if (options.needle == null) {\n            needle = this.session.getTextRange(range)\n                || this.$search.$options.needle;\n            if (!needle) {\n                range = this.session.getWordRange(range.start.row, range.start.column);\n                needle = this.session.getTextRange(range);\n            }\n            this.$search.set({needle: needle});\n        }\n\n        this.$search.set(options);\n        if (!options.start)\n            this.$search.set({start: range});\n\n        var newRange = this.$search.find(this.session);\n        if (options.preventScroll)\n            return newRange;\n        if (newRange) {\n            this.revealRange(newRange, animate);\n            return newRange;\n        }\n        if (options.backwards)\n            range.start = range.end;\n        else\n            range.end = range.start;\n        this.selection.setRange(range);\n    };\n    this.findNext = function(options, animate) {\n        this.find({skipCurrent: true, backwards: false}, options, animate);\n    };\n    this.findPrevious = function(options, animate) {\n        this.find(options, {skipCurrent: true, backwards: true}, animate);\n    };\n\n    this.revealRange = function(range, animate) {\n        this.session.unfold(range);\n        this.selection.setSelectionRange(range);\n\n        var scrollTop = this.renderer.scrollTop;\n        this.renderer.scrollSelectionIntoView(range.start, range.end, 0.5);\n        if (animate !== false)\n            this.renderer.animateScrolling(scrollTop);\n    };\n    this.undo = function() {\n        this.session.getUndoManager().undo(this.session);\n        this.renderer.scrollCursorIntoView(null, 0.5);\n    };\n    this.redo = function() {\n        this.session.getUndoManager().redo(this.session);\n        this.renderer.scrollCursorIntoView(null, 0.5);\n    };\n    this.destroy = function() {\n        if (this.$toDestroy) {\n            this.$toDestroy.forEach(function(el) {\n                el.destroy();\n            });\n            this.$toDestroy = null;\n        }\n        if (this.$mouseHandler)\n            this.$mouseHandler.destroy();\n        this.renderer.destroy();\n        this._signal(\"destroy\", this);\n        if (this.session)\n            this.session.destroy();\n        if (this._$emitInputEvent)\n            this._$emitInputEvent.cancel();\n        this.removeAllListeners();\n    };\n    this.setAutoScrollEditorIntoView = function(enable) {\n        if (!enable)\n            return;\n        var rect;\n        var self = this;\n        var shouldScroll = false;\n        if (!this.$scrollAnchor)\n            this.$scrollAnchor = document.createElement(\"div\");\n        var scrollAnchor = this.$scrollAnchor;\n        scrollAnchor.style.cssText = \"position:absolute\";\n        this.container.insertBefore(scrollAnchor, this.container.firstChild);\n        var onChangeSelection = this.on(\"changeSelection\", function() {\n            shouldScroll = true;\n        });\n        var onBeforeRender = this.renderer.on(\"beforeRender\", function() {\n            if (shouldScroll)\n                rect = self.renderer.container.getBoundingClientRect();\n        });\n        var onAfterRender = this.renderer.on(\"afterRender\", function() {\n            if (shouldScroll && rect && (self.isFocused()\n                || self.searchBox && self.searchBox.isFocused())\n            ) {\n                var renderer = self.renderer;\n                var pos = renderer.$cursorLayer.$pixelPos;\n                var config = renderer.layerConfig;\n                var top = pos.top - config.offset;\n                if (pos.top >= 0 && top + rect.top < 0) {\n                    shouldScroll = true;\n                } else if (pos.top < config.height &&\n                    pos.top + rect.top + config.lineHeight > window.innerHeight) {\n                    shouldScroll = false;\n                } else {\n                    shouldScroll = null;\n                }\n                if (shouldScroll != null) {\n                    scrollAnchor.style.top = top + \"px\";\n                    scrollAnchor.style.left = pos.left + \"px\";\n                    scrollAnchor.style.height = config.lineHeight + \"px\";\n                    scrollAnchor.scrollIntoView(shouldScroll);\n                }\n                shouldScroll = rect = null;\n            }\n        });\n        this.setAutoScrollEditorIntoView = function(enable) {\n            if (enable)\n                return;\n            delete this.setAutoScrollEditorIntoView;\n            this.off(\"changeSelection\", onChangeSelection);\n            this.renderer.off(\"afterRender\", onAfterRender);\n            this.renderer.off(\"beforeRender\", onBeforeRender);\n        };\n    };\n\n\n    this.$resetCursorStyle = function() {\n        var style = this.$cursorStyle || \"ace\";\n        var cursorLayer = this.renderer.$cursorLayer;\n        if (!cursorLayer)\n            return;\n        cursorLayer.setSmoothBlinking(/smooth/.test(style));\n        cursorLayer.isBlinking = !this.$readOnly && style != \"wide\";\n        dom.setCssClass(cursorLayer.element, \"ace_slim-cursors\", /slim/.test(style));\n    };\n    this.prompt = function(message, options, callback) {\n        var editor = this;\n        config.loadModule(\"./ext/prompt\", function (module) {\n            module.prompt(editor, message, options, callback);\n        });\n    };\n\n}).call(Editor.prototype);\n\n\n\nconfig.defineOptions(Editor.prototype, \"editor\", {\n    selectionStyle: {\n        set: function(style) {\n            this.onSelectionChange();\n            this._signal(\"changeSelectionStyle\", {data: style});\n        },\n        initialValue: \"line\"\n    },\n    highlightActiveLine: {\n        set: function() {this.$updateHighlightActiveLine();},\n        initialValue: true\n    },\n    highlightSelectedWord: {\n        set: function(shouldHighlight) {this.$onSelectionChange();},\n        initialValue: true\n    },\n    readOnly: {\n        set: function(readOnly) {\n            this.textInput.setReadOnly(readOnly);\n            this.$resetCursorStyle(); \n        },\n        initialValue: false\n    },\n    copyWithEmptySelection: {\n        set: function(value) {\n            this.textInput.setCopyWithEmptySelection(value);\n        },\n        initialValue: false\n    },\n    cursorStyle: {\n        set: function(val) { this.$resetCursorStyle(); },\n        values: [\"ace\", \"slim\", \"smooth\", \"wide\"],\n        initialValue: \"ace\"\n    },\n    mergeUndoDeltas: {\n        values: [false, true, \"always\"],\n        initialValue: true\n    },\n    behavioursEnabled: {initialValue: true},\n    wrapBehavioursEnabled: {initialValue: true},\n    enableAutoIndent: {initialValue: true},\n    autoScrollEditorIntoView: {\n        set: function(val) {this.setAutoScrollEditorIntoView(val);}\n    },\n    keyboardHandler: {\n        set: function(val) { this.setKeyboardHandler(val); },\n        get: function() { return this.$keybindingId; },\n        handlesSet: true\n    },\n    value: {\n        set: function(val) { this.session.setValue(val); },\n        get: function() { return this.getValue(); },\n        handlesSet: true,\n        hidden: true\n    },\n    session: {\n        set: function(val) { this.setSession(val); },\n        get: function() { return this.session; },\n        handlesSet: true,\n        hidden: true\n    },\n    \n    showLineNumbers: {\n        set: function(show) {\n            this.renderer.$gutterLayer.setShowLineNumbers(show);\n            this.renderer.$loop.schedule(this.renderer.CHANGE_GUTTER);\n            if (show && this.$relativeLineNumbers)\n                relativeNumberRenderer.attach(this);\n            else\n                relativeNumberRenderer.detach(this);\n        },\n        initialValue: true\n    },\n    relativeLineNumbers: {\n        set: function(value) {\n            if (this.$showLineNumbers && value)\n                relativeNumberRenderer.attach(this);\n            else\n                relativeNumberRenderer.detach(this);\n        }\n    },\n    placeholder: {\n        set: function(message) {\n            if (!this.$updatePlaceholder) {\n                this.$updatePlaceholder = function() {\n                    var value = this.session && (this.renderer.$composition || this.getValue());\n                    if (value && this.renderer.placeholderNode) {\n                        this.renderer.off(\"afterRender\", this.$updatePlaceholder);\n                        dom.removeCssClass(this.container, \"ace_hasPlaceholder\");\n                        this.renderer.placeholderNode.remove();\n                        this.renderer.placeholderNode = null;\n                    } else if (!value && !this.renderer.placeholderNode) {\n                        this.renderer.on(\"afterRender\", this.$updatePlaceholder);\n                        dom.addCssClass(this.container, \"ace_hasPlaceholder\");\n                        var el = dom.createElement(\"div\");\n                        el.className = \"ace_placeholder\";\n                        el.textContent = this.$placeholder || \"\";\n                        this.renderer.placeholderNode = el;\n                        this.renderer.content.appendChild(this.renderer.placeholderNode);\n                    } else if (!value && this.renderer.placeholderNode) {\n                        this.renderer.placeholderNode.textContent = this.$placeholder || \"\";\n                    }\n                }.bind(this);\n                this.on(\"input\", this.$updatePlaceholder);\n            }\n            this.$updatePlaceholder();\n        }\n    },\n\n    hScrollBarAlwaysVisible: \"renderer\",\n    vScrollBarAlwaysVisible: \"renderer\",\n    highlightGutterLine: \"renderer\",\n    animatedScroll: \"renderer\",\n    showInvisibles: \"renderer\",\n    showPrintMargin: \"renderer\",\n    printMarginColumn: \"renderer\",\n    printMargin: \"renderer\",\n    fadeFoldWidgets: \"renderer\",\n    showFoldWidgets: \"renderer\",\n    displayIndentGuides: \"renderer\",\n    showGutter: \"renderer\",\n    fontSize: \"renderer\",\n    fontFamily: \"renderer\",\n    maxLines: \"renderer\",\n    minLines: \"renderer\",\n    scrollPastEnd: \"renderer\",\n    fixedWidthGutter: \"renderer\",\n    theme: \"renderer\",\n    hasCssTransforms: \"renderer\",\n    maxPixelHeight: \"renderer\",\n    useTextareaForIME: \"renderer\",\n\n    scrollSpeed: \"$mouseHandler\",\n    dragDelay: \"$mouseHandler\",\n    dragEnabled: \"$mouseHandler\",\n    focusTimeout: \"$mouseHandler\",\n    tooltipFollowsMouse: \"$mouseHandler\",\n\n    firstLineNumber: \"session\",\n    overwrite: \"session\",\n    newLineMode: \"session\",\n    useWorker: \"session\",\n    useSoftTabs: \"session\",\n    navigateWithinSoftTabs: \"session\",\n    tabSize: \"session\",\n    wrap: \"session\",\n    indentedSoftWrap: \"session\",\n    foldStyle: \"session\",\n    mode: \"session\"\n});\n\n\nvar relativeNumberRenderer = {\n    getText: function(session, row) {\n        return (Math.abs(session.selection.lead.row - row) || (row + 1 + (row < 9 ? \"\\xb7\" : \"\"))) + \"\";\n    },\n    getWidth: function(session, lastLineNumber, config) {\n        return Math.max(\n            lastLineNumber.toString().length,\n            (config.lastRow + 1).toString().length,\n            2\n        ) * config.characterWidth;\n    },\n    update: function(e, editor) {\n        editor.renderer.$loop.schedule(editor.renderer.CHANGE_GUTTER);\n    },\n    attach: function(editor) {\n        editor.renderer.$gutterLayer.$renderer = this;\n        editor.on(\"changeSelection\", this.update);\n        this.update(null, editor);\n    },\n    detach: function(editor) {\n        if (editor.renderer.$gutterLayer.$renderer == this)\n            editor.renderer.$gutterLayer.$renderer = null;\n        editor.off(\"changeSelection\", this.update);\n        this.update(null, editor);\n    }\n};\n\nexports.Editor = Editor;\n});\n\nace.define(\"ace/undomanager\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\nvar UndoManager = function() {\n    this.$maxRev = 0;\n    this.$fromUndo = false;\n    this.reset();\n};\n\n(function() {\n    \n    this.addSession = function(session) {\n        this.$session = session;\n    };\n    this.add = function(delta, allowMerge, session) {\n        if (this.$fromUndo) return;\n        if (delta == this.$lastDelta) return;\n        if (!this.$keepRedoStack) this.$redoStack.length = 0;\n        if (allowMerge === false || !this.lastDeltas) {\n            this.lastDeltas = [];\n            this.$undoStack.push(this.lastDeltas);\n            delta.id = this.$rev = ++this.$maxRev;\n        }\n        if (delta.action == \"remove\" || delta.action == \"insert\")\n            this.$lastDelta = delta;\n        this.lastDeltas.push(delta);\n    };\n    \n    this.addSelection = function(selection, rev) {\n        this.selections.push({\n            value: selection,\n            rev: rev || this.$rev\n        });\n    };\n    \n    this.startNewGroup = function() {\n        this.lastDeltas = null;\n        return this.$rev;\n    };\n    \n    this.markIgnored = function(from, to) {\n        if (to == null) to = this.$rev + 1;\n        var stack = this.$undoStack;\n        for (var i = stack.length; i--;) {\n            var delta = stack[i][0];\n            if (delta.id <= from)\n                break;\n            if (delta.id < to)\n                delta.ignore = true;\n        }\n        this.lastDeltas = null;\n    };\n    \n    this.getSelection = function(rev, after) {\n        var stack = this.selections;\n        for (var i = stack.length; i--;) {\n            var selection = stack[i];\n            if (selection.rev < rev) {\n                if (after)\n                    selection = stack[i + 1];\n                return selection;\n            }\n        }\n    };\n    \n    this.getRevision = function() {\n        return this.$rev;\n    };\n    \n    this.getDeltas = function(from, to) {\n        if (to == null) to = this.$rev + 1;\n        var stack = this.$undoStack;\n        var end = null, start = 0;\n        for (var i = stack.length; i--;) {\n            var delta = stack[i][0];\n            if (delta.id < to && !end)\n                end = i+1;\n            if (delta.id <= from) {\n                start = i + 1;\n                break;\n            }\n        }\n        return stack.slice(start, end);\n    };\n    \n    this.getChangedRanges = function(from, to) {\n        if (to == null) to = this.$rev + 1;\n        \n    };\n    \n    this.getChangedLines = function(from, to) {\n        if (to == null) to = this.$rev + 1;\n        \n    };\n    this.undo = function(session, dontSelect) {\n        this.lastDeltas = null;\n        var stack = this.$undoStack;\n        \n        if (!rearrangeUndoStack(stack, stack.length))\n            return;\n        \n        if (!session)\n            session = this.$session;\n        \n        if (this.$redoStackBaseRev !== this.$rev && this.$redoStack.length)\n            this.$redoStack = [];\n        \n        this.$fromUndo = true;\n        \n        var deltaSet = stack.pop();\n        var undoSelectionRange = null;\n        if (deltaSet) {\n            undoSelectionRange = session.undoChanges(deltaSet, dontSelect);\n            this.$redoStack.push(deltaSet);\n            this.$syncRev();\n        }\n        \n        this.$fromUndo = false;\n\n        return undoSelectionRange;\n    };\n    this.redo = function(session, dontSelect) {\n        this.lastDeltas = null;\n        \n        if (!session)\n            session = this.$session;\n        \n        this.$fromUndo = true;\n        if (this.$redoStackBaseRev != this.$rev) {\n            var diff = this.getDeltas(this.$redoStackBaseRev, this.$rev + 1);\n            rebaseRedoStack(this.$redoStack, diff);\n            this.$redoStackBaseRev = this.$rev;\n            this.$redoStack.forEach(function(x) {\n                x[0].id = ++this.$maxRev;\n            }, this);\n        }\n        var deltaSet = this.$redoStack.pop();\n        var redoSelectionRange = null;\n        \n        if (deltaSet) {\n            redoSelectionRange = session.redoChanges(deltaSet, dontSelect);\n            this.$undoStack.push(deltaSet);\n            this.$syncRev();\n        }\n        this.$fromUndo = false;\n        \n        return redoSelectionRange;\n    };\n    \n    this.$syncRev = function() {\n        var stack = this.$undoStack;\n        var nextDelta = stack[stack.length - 1];\n        var id = nextDelta && nextDelta[0].id || 0;\n        this.$redoStackBaseRev = id;\n        this.$rev = id;\n    };\n    this.reset = function() {\n        this.lastDeltas = null;\n        this.$lastDelta = null;\n        this.$undoStack = [];\n        this.$redoStack = [];\n        this.$rev = 0;\n        this.mark = 0;\n        this.$redoStackBaseRev = this.$rev;\n        this.selections = [];\n    };\n    this.canUndo = function() {\n        return this.$undoStack.length > 0;\n    };\n    this.canRedo = function() {\n        return this.$redoStack.length > 0;\n    };\n    this.bookmark = function(rev) {\n        if (rev == undefined)\n            rev = this.$rev;\n        this.mark = rev;\n    };\n    this.isAtBookmark = function() {\n        return this.$rev === this.mark;\n    };\n    \n    this.toJSON = function() {\n        \n    };\n    \n    this.fromJSON = function() {\n        \n    };\n    \n    this.hasUndo = this.canUndo;\n    this.hasRedo = this.canRedo;\n    this.isClean = this.isAtBookmark;\n    this.markClean = this.bookmark;\n    \n    this.$prettyPrint = function(delta) {\n        if (delta) return stringifyDelta(delta);\n        return stringifyDelta(this.$undoStack) + \"\\n---\\n\" + stringifyDelta(this.$redoStack);\n    };\n}).call(UndoManager.prototype);\n\nfunction rearrangeUndoStack(stack, pos) {\n    for (var i = pos; i--; ) {\n        var deltaSet = stack[i];\n        if (deltaSet && !deltaSet[0].ignore) {\n            while(i < pos - 1) {\n                var swapped = swapGroups(stack[i], stack[i + 1]);\n                stack[i] = swapped[0];\n                stack[i + 1] = swapped[1];\n                i++;\n            }\n            return true;\n        }\n    }\n}\n\nvar Range = require(\"./range\").Range;\nvar cmp = Range.comparePoints;\nvar comparePoints = Range.comparePoints;\n\nfunction $updateMarkers(delta) {\n    var isInsert = delta.action == \"insert\";\n    var start = delta.start;\n    var end = delta.end;\n    var rowShift = (end.row - start.row) * (isInsert ? 1 : -1);\n    var colShift = (end.column - start.column) * (isInsert ? 1 : -1);\n    if (isInsert) end = start;\n\n    for (var i in this.marks) {\n        var point = this.marks[i];\n        var cmp = comparePoints(point, start);\n        if (cmp < 0) {\n            continue; // delta starts after the range\n        }\n        if (cmp === 0) {\n            if (isInsert) {\n                if (point.bias == 1) {\n                    cmp = 1;\n                }\n                else {\n                    point.bias == -1;\n                    continue;\n                }\n            }\n        }\n        var cmp2 = isInsert ? cmp : comparePoints(point, end);\n        if (cmp2 > 0) {\n            point.row += rowShift;\n            point.column += point.row == end.row ? colShift : 0;\n            continue;\n        }\n        if (!isInsert && cmp2 <= 0) {\n            point.row = start.row;\n            point.column = start.column;\n            if (cmp2 === 0)\n                point.bias = 1;\n        }\n    }\n}\n\n\n\nfunction clonePos(pos) {\n    return {row: pos.row,column: pos.column};\n}\nfunction cloneDelta(d) {\n    return {\n        start: clonePos(d.start),\n        end: clonePos(d.end),\n        action: d.action,\n        lines: d.lines.slice()\n    };\n}\nfunction stringifyDelta(d) {\n    d = d || this;\n    if (Array.isArray(d)) {\n        return d.map(stringifyDelta).join(\"\\n\");\n    }\n    var type = \"\";\n    if (d.action) {\n        type = d.action == \"insert\" ? \"+\" : \"-\";\n        type += \"[\" + d.lines + \"]\";\n    } else if (d.value) {\n        if (Array.isArray(d.value)) {\n            type = d.value.map(stringifyRange).join(\"\\n\");\n        } else {\n            type = stringifyRange(d.value);\n        }\n    }\n    if (d.start) {\n        type += stringifyRange(d);\n    }\n    if (d.id || d.rev) {\n        type += \"\\t(\" + (d.id || d.rev) + \")\";\n    }\n    return type;\n}\nfunction stringifyRange(r) {\n    return r.start.row + \":\" + r.start.column \n        + \"=>\" + r.end.row + \":\" + r.end.column;\n}\n\nfunction swap(d1, d2) {\n    var i1 = d1.action == \"insert\";\n    var i2 = d2.action == \"insert\";\n    \n    if (i1 && i2) {\n        if (cmp(d2.start, d1.end) >= 0) {\n            shift(d2, d1, -1);\n        } else if (cmp(d2.start, d1.start) <= 0) {\n            shift(d1, d2, +1);\n        } else {\n            return null;\n        }\n    } else if (i1 && !i2) {\n        if (cmp(d2.start, d1.end) >= 0) {\n            shift(d2, d1, -1);\n        } else if (cmp(d2.end, d1.start) <= 0) {\n            shift(d1, d2, -1);\n        } else {\n            return null;\n        }\n    } else if (!i1 && i2) {\n        if (cmp(d2.start, d1.start) >= 0) {\n            shift(d2, d1, +1);\n        } else if (cmp(d2.start, d1.start) <= 0) {\n            shift(d1, d2, +1);\n        } else {\n            return null;\n        }\n    } else if (!i1 && !i2) {\n        if (cmp(d2.start, d1.start) >= 0) {\n            shift(d2, d1, +1);\n        } else if (cmp(d2.end, d1.start) <= 0) {\n            shift(d1, d2, -1);\n        } else {\n            return null;\n        }\n    }\n    return [d2, d1];\n}\nfunction swapGroups(ds1, ds2) {\n    for (var i = ds1.length; i--; ) {\n        for (var j = 0; j < ds2.length; j++) {\n            if (!swap(ds1[i], ds2[j])) {\n                while (i < ds1.length) {\n                    while (j--) {\n                        swap(ds2[j], ds1[i]);\n                    }\n                    j = ds2.length;\n                    i++;\n                }                \n                return [ds1, ds2];\n            }\n        }\n    }\n    ds1.selectionBefore = ds2.selectionBefore = \n    ds1.selectionAfter = ds2.selectionAfter = null;\n    return [ds2, ds1];\n}\nfunction xform(d1, c1) {\n    var i1 = d1.action == \"insert\";\n    var i2 = c1.action == \"insert\";\n    \n    if (i1 && i2) {\n        if (cmp(d1.start, c1.start) < 0) {\n            shift(c1, d1, 1);\n        } else {\n            shift(d1, c1, 1);\n        }\n    } else if (i1 && !i2) {\n        if (cmp(d1.start, c1.end) >= 0) {\n            shift(d1, c1, -1);\n        } else if (cmp(d1.start, c1.start) <= 0) {\n            shift(c1, d1, +1);\n        } else {\n            shift(d1, Range.fromPoints(c1.start, d1.start), -1);\n            shift(c1, d1, +1);\n        }\n    } else if (!i1 && i2) {\n        if (cmp(c1.start, d1.end) >= 0) {\n            shift(c1, d1, -1);\n        } else if (cmp(c1.start, d1.start) <= 0) {\n            shift(d1, c1, +1);\n        } else {\n            shift(c1, Range.fromPoints(d1.start, c1.start), -1);\n            shift(d1, c1, +1);\n        }\n    } else if (!i1 && !i2) {\n        if (cmp(c1.start, d1.end) >= 0) {\n            shift(c1, d1, -1);\n        } else if (cmp(c1.end, d1.start) <= 0) {\n            shift(d1, c1, -1);\n        } else {\n            var before, after;\n            if (cmp(d1.start, c1.start) < 0) {\n                before = d1;\n                d1 = splitDelta(d1, c1.start);\n            }\n            if (cmp(d1.end, c1.end) > 0) {\n                after = splitDelta(d1, c1.end);\n            }\n\n            shiftPos(c1.end, d1.start, d1.end, -1);\n            if (after && !before) {\n                d1.lines = after.lines;\n                d1.start = after.start;\n                d1.end = after.end;\n                after = d1;\n            }\n\n            return [c1, before, after].filter(Boolean);\n        }\n    }\n    return [c1, d1];\n}\n    \nfunction shift(d1, d2, dir) {\n    shiftPos(d1.start, d2.start, d2.end, dir);\n    shiftPos(d1.end, d2.start, d2.end, dir);\n}\nfunction shiftPos(pos, start, end, dir) {\n    if (pos.row == (dir == 1 ? start : end).row) {\n        pos.column += dir * (end.column - start.column);\n    }\n    pos.row += dir * (end.row - start.row);\n}\nfunction splitDelta(c, pos) {\n    var lines = c.lines;\n    var end = c.end;\n    c.end = clonePos(pos);    \n    var rowsBefore = c.end.row - c.start.row;\n    var otherLines = lines.splice(rowsBefore, lines.length);\n    \n    var col = rowsBefore ? pos.column : pos.column - c.start.column;\n    lines.push(otherLines[0].substring(0, col));\n    otherLines[0] = otherLines[0].substr(col)   ; \n    var rest = {\n        start: clonePos(pos),\n        end: end,\n        lines: otherLines,\n        action: c.action\n    };\n    return rest;\n}\n\nfunction moveDeltasByOne(redoStack, d) {\n    d = cloneDelta(d);\n    for (var j = redoStack.length; j--;) {\n        var deltaSet = redoStack[j];\n        for (var i = 0; i < deltaSet.length; i++) {\n            var x = deltaSet[i];\n            var xformed = xform(x, d);\n            d = xformed[0];\n            if (xformed.length != 2) {\n                if (xformed[2]) {\n                    deltaSet.splice(i + 1, 1, xformed[1], xformed[2]);\n                    i++;\n                } else if (!xformed[1]) {\n                    deltaSet.splice(i, 1);\n                    i--;\n                }\n            }\n        }\n        if (!deltaSet.length) {\n            redoStack.splice(j, 1); \n        }\n    }\n    return redoStack;\n}\nfunction rebaseRedoStack(redoStack, deltaSets) {\n    for (var i = 0; i < deltaSets.length; i++) {\n        var deltas = deltaSets[i];\n        for (var j = 0; j < deltas.length; j++) {\n            moveDeltasByOne(redoStack, deltas[j]);\n        }\n    }\n}\n\nexports.UndoManager = UndoManager;\n\n});\n\nace.define(\"ace/layer/lines\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"../lib/dom\");\n\nvar Lines = function(element, canvasHeight) {\n    this.element = element;\n    this.canvasHeight = canvasHeight || 500000;\n    this.element.style.height = (this.canvasHeight * 2) + \"px\";\n    \n    this.cells = [];\n    this.cellCache = [];\n    this.$offsetCoefficient = 0;\n};\n\n(function() {\n    \n    this.moveContainer = function(config) {\n        dom.translate(this.element, 0, -((config.firstRowScreen * config.lineHeight) % this.canvasHeight) - config.offset * this.$offsetCoefficient);\n    };    \n    \n    this.pageChanged = function(oldConfig, newConfig) {\n        return (\n            Math.floor((oldConfig.firstRowScreen * oldConfig.lineHeight) / this.canvasHeight) !==\n            Math.floor((newConfig.firstRowScreen * newConfig.lineHeight) / this.canvasHeight)\n        );\n    };\n    \n    this.computeLineTop = function(row, config, session) {\n        var screenTop = config.firstRowScreen * config.lineHeight;\n        var screenPage = Math.floor(screenTop / this.canvasHeight);\n        var lineTop = session.documentToScreenRow(row, 0) * config.lineHeight;\n        return lineTop - (screenPage * this.canvasHeight);\n    };\n    \n    this.computeLineHeight = function(row, config, session) {\n        return config.lineHeight * session.getRowLineCount(row);\n    };\n    \n    this.getLength = function() {\n        return this.cells.length;\n    };\n    \n    this.get = function(index) {\n        return this.cells[index];\n    };\n    \n    this.shift = function() {\n        this.$cacheCell(this.cells.shift());\n    };\n    \n    this.pop = function() {\n        this.$cacheCell(this.cells.pop());\n    };\n    \n    this.push = function(cell) {\n        if (Array.isArray(cell)) {\n            this.cells.push.apply(this.cells, cell);\n            var fragment = dom.createFragment(this.element);\n            for (var i=0; i<cell.length; i++) {\n                fragment.appendChild(cell[i].element);\n            }\n            this.element.appendChild(fragment);\n        } else {\n            this.cells.push(cell);\n            this.element.appendChild(cell.element);\n        }\n    };\n    \n    this.unshift = function(cell) {\n        if (Array.isArray(cell)) {\n            this.cells.unshift.apply(this.cells, cell);\n            var fragment = dom.createFragment(this.element);\n            for (var i=0; i<cell.length; i++) {\n                fragment.appendChild(cell[i].element);\n            }\n            if (this.element.firstChild)\n                this.element.insertBefore(fragment, this.element.firstChild);\n            else\n                this.element.appendChild(fragment);\n        } else {\n            this.cells.unshift(cell);\n            this.element.insertAdjacentElement(\"afterbegin\", cell.element);\n        }\n    };\n    \n    this.last = function() {\n        if (this.cells.length)\n            return this.cells[this.cells.length-1];\n        else\n            return null;\n    };\n    \n    this.$cacheCell = function(cell) {\n        if (!cell)\n            return;\n            \n        cell.element.remove();\n        this.cellCache.push(cell);\n    };\n    \n    this.createCell = function(row, config, session, initElement) {\n        var cell = this.cellCache.pop();\n        if (!cell) {\n            var element = dom.createElement(\"div\");\n            if (initElement)\n                initElement(element);\n            \n            this.element.appendChild(element);\n            \n            cell = {\n                element: element,\n                text: \"\",\n                row: row\n            };\n        }\n        cell.row = row;\n        \n        return cell;\n    };\n    \n}).call(Lines.prototype);\n\nexports.Lines = Lines;\n\n});\n\nace.define(\"ace/layer/gutter\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\",\"ace/lib/oop\",\"ace/lib/lang\",\"ace/lib/event_emitter\",\"ace/layer/lines\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"../lib/dom\");\nvar oop = require(\"../lib/oop\");\nvar lang = require(\"../lib/lang\");\nvar EventEmitter = require(\"../lib/event_emitter\").EventEmitter;\nvar Lines = require(\"./lines\").Lines;\n\nvar Gutter = function(parentEl) {\n    this.element = dom.createElement(\"div\");\n    this.element.className = \"ace_layer ace_gutter-layer\";\n    parentEl.appendChild(this.element);\n    this.setShowFoldWidgets(this.$showFoldWidgets);\n    \n    this.gutterWidth = 0;\n\n    this.$annotations = [];\n    this.$updateAnnotations = this.$updateAnnotations.bind(this);\n    \n    this.$lines = new Lines(this.element);\n    this.$lines.$offsetCoefficient = 1;\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n\n    this.setSession = function(session) {\n        if (this.session)\n            this.session.off(\"change\", this.$updateAnnotations);\n        this.session = session;\n        if (session)\n            session.on(\"change\", this.$updateAnnotations);\n    };\n\n    this.addGutterDecoration = function(row, className) {\n        if (window.console)\n            console.warn && console.warn(\"deprecated use session.addGutterDecoration\");\n        this.session.addGutterDecoration(row, className);\n    };\n\n    this.removeGutterDecoration = function(row, className) {\n        if (window.console)\n            console.warn && console.warn(\"deprecated use session.removeGutterDecoration\");\n        this.session.removeGutterDecoration(row, className);\n    };\n\n    this.setAnnotations = function(annotations) {\n        this.$annotations = [];\n        for (var i = 0; i < annotations.length; i++) {\n            var annotation = annotations[i];\n            var row = annotation.row;\n            var rowInfo = this.$annotations[row];\n            if (!rowInfo)\n                rowInfo = this.$annotations[row] = {text: []};\n           \n            var annoText = annotation.text;\n            annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || \"\";\n\n            if (rowInfo.text.indexOf(annoText) === -1)\n                rowInfo.text.push(annoText);\n\n            var type = annotation.type;\n            if (type == \"error\")\n                rowInfo.className = \" ace_error\";\n            else if (type == \"warning\" && rowInfo.className != \" ace_error\")\n                rowInfo.className = \" ace_warning\";\n            else if (type == \"info\" && (!rowInfo.className))\n                rowInfo.className = \" ace_info\";\n        }\n    };\n\n    this.$updateAnnotations = function (delta) {\n        if (!this.$annotations.length)\n            return;\n        var firstRow = delta.start.row;\n        var len = delta.end.row - firstRow;\n        if (len === 0) {\n        } else if (delta.action == 'remove') {\n            this.$annotations.splice(firstRow, len + 1, null);\n        } else {\n            var args = new Array(len + 1);\n            args.unshift(firstRow, 1);\n            this.$annotations.splice.apply(this.$annotations, args);\n        }\n    };\n\n    this.update = function(config) {\n        this.config = config;\n        \n        var session = this.session;\n        var firstRow = config.firstRow;\n        var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar\n            session.getLength() - 1);\n            \n        this.oldLastRow = lastRow;\n        this.config = config;\n        \n        this.$lines.moveContainer(config);\n        this.$updateCursorRow();\n            \n        var fold = session.getNextFoldLine(firstRow);\n        var foldStart = fold ? fold.start.row : Infinity;\n\n        var cell = null;\n        var index = -1;\n        var row = firstRow;\n        \n        while (true) {\n            if (row > foldStart) {\n                row = fold.end.row + 1;\n                fold = session.getNextFoldLine(row, fold);\n                foldStart = fold ? fold.start.row : Infinity;\n            }\n            if (row > lastRow) {\n                while (this.$lines.getLength() > index + 1)\n                    this.$lines.pop();\n                    \n                break;\n            }\n\n            cell = this.$lines.get(++index);\n            if (cell) {\n                cell.row = row;\n            } else {\n                cell = this.$lines.createCell(row, config, this.session, onCreateCell);\n                this.$lines.push(cell);\n            }\n\n            this.$renderCell(cell, config, fold, row);\n            row++;\n        }\n        \n        this._signal(\"afterRender\");\n        this.$updateGutterWidth(config);\n    };\n\n    this.$updateGutterWidth = function(config) {\n        var session = this.session;\n        \n        var gutterRenderer = session.gutterRenderer || this.$renderer;\n        \n        var firstLineNumber = session.$firstLineNumber;\n        var lastLineText = this.$lines.last() ? this.$lines.last().text : \"\";\n        \n        if (this.$fixedWidth || session.$useWrapMode)\n            lastLineText = session.getLength() + firstLineNumber - 1;\n\n        var gutterWidth = gutterRenderer \n            ? gutterRenderer.getWidth(session, lastLineText, config)\n            : lastLineText.toString().length * config.characterWidth;\n        \n        var padding = this.$padding || this.$computePadding();\n        gutterWidth += padding.left + padding.right;\n        if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {\n            this.gutterWidth = gutterWidth;\n            this.element.parentNode.style.width = \n            this.element.style.width = Math.ceil(this.gutterWidth) + \"px\";\n            this._signal(\"changeGutterWidth\", gutterWidth);\n        }\n    };\n    \n    this.$updateCursorRow = function() {\n        if (!this.$highlightGutterLine)\n            return;\n            \n        var position = this.session.selection.getCursor();\n        if (this.$cursorRow === position.row)\n            return;\n        \n        this.$cursorRow = position.row;\n    };\n    \n    this.updateLineHighlight = function() {\n        if (!this.$highlightGutterLine)\n            return;\n        var row = this.session.selection.cursor.row;\n        this.$cursorRow = row;\n\n        if (this.$cursorCell && this.$cursorCell.row == row)\n            return;\n        if (this.$cursorCell)\n            this.$cursorCell.element.className = this.$cursorCell.element.className.replace(\"ace_gutter-active-line \", \"\");\n        var cells = this.$lines.cells;\n        this.$cursorCell = null;\n        for (var i = 0; i < cells.length; i++) {\n            var cell = cells[i];\n            if (cell.row >= this.$cursorRow) {\n                if (cell.row > this.$cursorRow) {\n                    var fold = this.session.getFoldLine(this.$cursorRow);\n                    if (i > 0 && fold && fold.start.row == cells[i - 1].row)\n                        cell = cells[i - 1];\n                    else\n                        break;\n                }\n                cell.element.className = \"ace_gutter-active-line \" + cell.element.className;\n                this.$cursorCell = cell;\n                break;\n            }\n        }\n    };\n    \n    this.scrollLines = function(config) {\n        var oldConfig = this.config;\n        this.config = config;\n        \n        this.$updateCursorRow();\n        if (this.$lines.pageChanged(oldConfig, config))\n            return this.update(config);\n        \n        this.$lines.moveContainer(config);\n\n        var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar\n            this.session.getLength() - 1);\n        var oldLastRow = this.oldLastRow;\n        this.oldLastRow = lastRow;\n        \n        if (!oldConfig || oldLastRow < config.firstRow)\n            return this.update(config);\n\n        if (lastRow < oldConfig.firstRow)\n            return this.update(config);\n\n        if (oldConfig.firstRow < config.firstRow)\n            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)\n                this.$lines.shift();\n\n        if (oldLastRow > lastRow)\n            for (var row=this.session.getFoldedRowCount(lastRow + 1, oldLastRow); row>0; row--)\n                this.$lines.pop();\n\n        if (config.firstRow < oldConfig.firstRow) {\n            this.$lines.unshift(this.$renderLines(config, config.firstRow, oldConfig.firstRow - 1));\n        }\n\n        if (lastRow > oldLastRow) {\n            this.$lines.push(this.$renderLines(config, oldLastRow + 1, lastRow));\n        }\n        \n        this.updateLineHighlight();\n        \n        this._signal(\"afterRender\");\n        this.$updateGutterWidth(config);\n    };\n\n    this.$renderLines = function(config, firstRow, lastRow) {\n        var fragment = [];\n        var row = firstRow;\n        var foldLine = this.session.getNextFoldLine(row);\n        var foldStart = foldLine ? foldLine.start.row : Infinity;\n\n        while (true) {\n            if (row > foldStart) {\n                row = foldLine.end.row+1;\n                foldLine = this.session.getNextFoldLine(row, foldLine);\n                foldStart = foldLine ? foldLine.start.row : Infinity;\n            }\n            if (row > lastRow)\n                break;\n\n            var cell = this.$lines.createCell(row, config, this.session, onCreateCell);\n            this.$renderCell(cell, config, foldLine, row);\n            fragment.push(cell);\n\n            row++;\n        }\n        return fragment;\n    };\n    \n    this.$renderCell = function(cell, config, fold, row) {\n        var element = cell.element;\n        \n        var session = this.session;\n        \n        var textNode = element.childNodes[0];\n        var foldWidget = element.childNodes[1];\n\n        var firstLineNumber = session.$firstLineNumber;\n        \n        var breakpoints = session.$breakpoints;\n        var decorations = session.$decorations;\n        var gutterRenderer = session.gutterRenderer || this.$renderer;\n        var foldWidgets = this.$showFoldWidgets && session.foldWidgets;\n        var foldStart = fold ? fold.start.row : Number.MAX_VALUE;\n        \n        var className = \"ace_gutter-cell \";\n        if (this.$highlightGutterLine) {\n            if (row == this.$cursorRow || (fold && row < this.$cursorRow && row >= foldStart &&  this.$cursorRow <= fold.end.row)) {\n                className += \"ace_gutter-active-line \";\n                if (this.$cursorCell != cell) {\n                    if (this.$cursorCell)\n                        this.$cursorCell.element.className = this.$cursorCell.element.className.replace(\"ace_gutter-active-line \", \"\");\n                    this.$cursorCell = cell;\n                }\n            }\n        }\n        \n        if (breakpoints[row])\n            className += breakpoints[row];\n        if (decorations[row])\n            className += decorations[row];\n        if (this.$annotations[row])\n            className += this.$annotations[row].className;\n        if (element.className != className)\n            element.className = className;\n\n        if (foldWidgets) {\n            var c = foldWidgets[row];\n            if (c == null)\n                c = foldWidgets[row] = session.getFoldWidget(row);\n        }\n\n        if (c) {\n            var className = \"ace_fold-widget ace_\" + c;\n            if (c == \"start\" && row == foldStart && row < fold.end.row)\n                className += \" ace_closed\";\n            else\n                className += \" ace_open\";\n            if (foldWidget.className != className)\n                foldWidget.className = className;\n\n            var foldHeight = config.lineHeight + \"px\";\n            dom.setStyle(foldWidget.style, \"height\", foldHeight);\n            dom.setStyle(foldWidget.style, \"display\", \"inline-block\");\n        } else {\n            if (foldWidget) {\n                dom.setStyle(foldWidget.style, \"display\", \"none\");\n            }\n        }\n        \n        var text = (gutterRenderer\n            ? gutterRenderer.getText(session, row)\n            : row + firstLineNumber).toString();\n            \n        if (text !== textNode.data) {\n            textNode.data = text;\n        }\n        \n        dom.setStyle(cell.element.style, \"height\", this.$lines.computeLineHeight(row, config, session) + \"px\");\n        dom.setStyle(cell.element.style, \"top\", this.$lines.computeLineTop(row, config, session) + \"px\");\n        \n        cell.text = text;\n        return cell;\n    };\n\n    this.$fixedWidth = false;\n    \n    this.$highlightGutterLine = true;\n    this.$renderer = \"\";\n    this.setHighlightGutterLine = function(highlightGutterLine) {\n        this.$highlightGutterLine = highlightGutterLine;\n    };\n    \n    this.$showLineNumbers = true;\n    this.$renderer = \"\";\n    this.setShowLineNumbers = function(show) {\n        this.$renderer = !show && {\n            getWidth: function() {return 0;},\n            getText: function() {return \"\";}\n        };\n    };\n    \n    this.getShowLineNumbers = function() {\n        return this.$showLineNumbers;\n    };\n    \n    this.$showFoldWidgets = true;\n    this.setShowFoldWidgets = function(show) {\n        if (show)\n            dom.addCssClass(this.element, \"ace_folding-enabled\");\n        else\n            dom.removeCssClass(this.element, \"ace_folding-enabled\");\n\n        this.$showFoldWidgets = show;\n        this.$padding = null;\n    };\n    \n    this.getShowFoldWidgets = function() {\n        return this.$showFoldWidgets;\n    };\n\n    this.$computePadding = function() {\n        if (!this.element.firstChild)\n            return {left: 0, right: 0};\n        var style = dom.computedStyle(this.element.firstChild);\n        this.$padding = {};\n        this.$padding.left = (parseInt(style.borderLeftWidth) || 0)\n            + (parseInt(style.paddingLeft) || 0) + 1;\n        this.$padding.right = (parseInt(style.borderRightWidth) || 0)\n            + (parseInt(style.paddingRight) || 0);\n        return this.$padding;\n    };\n\n    this.getRegion = function(point) {\n        var padding = this.$padding || this.$computePadding();\n        var rect = this.element.getBoundingClientRect();\n        if (point.x < padding.left + rect.left)\n            return \"markers\";\n        if (this.$showFoldWidgets && point.x > rect.right - padding.right)\n            return \"foldWidgets\";\n    };\n\n}).call(Gutter.prototype);\n\nfunction onCreateCell(element) {\n    var textNode = document.createTextNode('');\n    element.appendChild(textNode);\n    \n    var foldWidget = dom.createElement(\"span\");\n    element.appendChild(foldWidget);\n    \n    return element;\n}\n\nexports.Gutter = Gutter;\n\n});\n\nace.define(\"ace/layer/marker\",[\"require\",\"exports\",\"module\",\"ace/range\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"../range\").Range;\nvar dom = require(\"../lib/dom\");\n\nvar Marker = function(parentEl) {\n    this.element = dom.createElement(\"div\");\n    this.element.className = \"ace_layer ace_marker-layer\";\n    parentEl.appendChild(this.element);\n};\n\n(function() {\n\n    this.$padding = 0;\n\n    this.setPadding = function(padding) {\n        this.$padding = padding;\n    };\n    this.setSession = function(session) {\n        this.session = session;\n    };\n    \n    this.setMarkers = function(markers) {\n        this.markers = markers;\n    };\n    \n    this.elt = function(className, css) {\n        var x = this.i != -1 && this.element.childNodes[this.i];\n        if (!x) {\n            x = document.createElement(\"div\");\n            this.element.appendChild(x);\n            this.i = -1;\n        } else {\n            this.i++;\n        }\n        x.style.cssText = css;\n        x.className = className;\n    };\n\n    this.update = function(config) {\n        if (!config) return;\n\n        this.config = config;\n\n        this.i = 0;\n        var html;\n        for (var key in this.markers) {\n            var marker = this.markers[key];\n\n            if (!marker.range) {\n                marker.update(html, this, this.session, config);\n                continue;\n            }\n\n            var range = marker.range.clipRows(config.firstRow, config.lastRow);\n            if (range.isEmpty()) continue;\n\n            range = range.toScreenRange(this.session);\n            if (marker.renderer) {\n                var top = this.$getTop(range.start.row, config);\n                var left = this.$padding + range.start.column * config.characterWidth;\n                marker.renderer(html, range, left, top, config);\n            } else if (marker.type == \"fullLine\") {\n                this.drawFullLineMarker(html, range, marker.clazz, config);\n            } else if (marker.type == \"screenLine\") {\n                this.drawScreenLineMarker(html, range, marker.clazz, config);\n            } else if (range.isMultiLine()) {\n                if (marker.type == \"text\")\n                    this.drawTextMarker(html, range, marker.clazz, config);\n                else\n                    this.drawMultiLineMarker(html, range, marker.clazz, config);\n            } else {\n                this.drawSingleLineMarker(html, range, marker.clazz + \" ace_start\" + \" ace_br15\", config);\n            }\n        }\n        if (this.i !=-1) {\n            while (this.i < this.element.childElementCount)\n                this.element.removeChild(this.element.lastChild);\n        }\n    };\n\n    this.$getTop = function(row, layerConfig) {\n        return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;\n    };\n\n    function getBorderClass(tl, tr, br, bl) {\n        return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0);\n    }\n    this.drawTextMarker = function(stringBuilder, range, clazz, layerConfig, extraStyle) {\n        var session = this.session;\n        var start = range.start.row;\n        var end = range.end.row;\n        var row = start;\n        var prev = 0; \n        var curr = 0;\n        var next = session.getScreenLastRowColumn(row);\n        var lineRange = new Range(row, range.start.column, row, curr);\n        for (; row <= end; row++) {\n            lineRange.start.row = lineRange.end.row = row;\n            lineRange.start.column = row == start ? range.start.column : session.getRowWrapIndent(row);\n            lineRange.end.column = next;\n            prev = curr;\n            curr = next;\n            next = row + 1 < end ? session.getScreenLastRowColumn(row + 1) : row == end ? 0 : range.end.column;\n            this.drawSingleLineMarker(stringBuilder, lineRange, \n                clazz + (row == start  ? \" ace_start\" : \"\") + \" ace_br\"\n                    + getBorderClass(row == start || row == start + 1 && range.start.column, prev < curr, curr > next, row == end),\n                layerConfig, row == end ? 0 : 1, extraStyle);\n        }\n    };\n    this.drawMultiLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {\n        var padding = this.$padding;\n        var height = config.lineHeight;\n        var top = this.$getTop(range.start.row, config);\n        var left = padding + range.start.column * config.characterWidth;\n        extraStyle = extraStyle || \"\";\n\n        if (this.session.$bidiHandler.isBidiRow(range.start.row)) {\n           var range1 = range.clone();\n           range1.end.row = range1.start.row;\n           range1.end.column = this.session.getLine(range1.start.row).length;\n           this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + \" ace_br1 ace_start\", config, null, extraStyle);\n        } else {\n            this.elt(\n                clazz + \" ace_br1 ace_start\",\n                \"height:\"+ height+ \"px;\"+ \"right:0;\"+ \"top:\"+top+ \"px;left:\"+ left+ \"px;\" + (extraStyle || \"\")\n            );\n        }\n        if (this.session.$bidiHandler.isBidiRow(range.end.row)) {\n           var range1 = range.clone();\n           range1.start.row = range1.end.row;\n           range1.start.column = 0;\n           this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + \" ace_br12\", config, null, extraStyle);\n        } else {\n            top = this.$getTop(range.end.row, config);\n            var width = range.end.column * config.characterWidth;\n\n            this.elt(\n                clazz + \" ace_br12\",\n                \"height:\"+ height+ \"px;\"+\n                \"width:\"+ width+ \"px;\"+\n                \"top:\"+ top+ \"px;\"+\n                \"left:\"+ padding+ \"px;\"+ (extraStyle || \"\")\n            );\n        }\n        height = (range.end.row - range.start.row - 1) * config.lineHeight;\n        if (height <= 0)\n            return;\n        top = this.$getTop(range.start.row + 1, config);\n        \n        var radiusClass = (range.start.column ? 1 : 0) | (range.end.column ? 0 : 8);\n\n        this.elt(\n            clazz + (radiusClass ? \" ace_br\" + radiusClass : \"\"),\n            \"height:\"+ height+ \"px;\"+\n            \"right:0;\"+\n            \"top:\"+ top+ \"px;\"+\n            \"left:\"+ padding+ \"px;\"+ (extraStyle || \"\")\n        );\n    };\n    this.drawSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {\n        if (this.session.$bidiHandler.isBidiRow(range.start.row))\n            return this.drawBidiSingleLineMarker(stringBuilder, range, clazz, config, extraLength, extraStyle);\n        var height = config.lineHeight;\n        var width = (range.end.column + (extraLength || 0) - range.start.column) * config.characterWidth;\n\n        var top = this.$getTop(range.start.row, config);\n        var left = this.$padding + range.start.column * config.characterWidth;\n\n        this.elt(\n            clazz,\n            \"height:\"+ height+ \"px;\"+\n            \"width:\"+ width+ \"px;\"+\n            \"top:\"+ top+ \"px;\"+\n            \"left:\"+ left+ \"px;\"+ (extraStyle || \"\")\n        );\n    };\n    this.drawBidiSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {\n        var height = config.lineHeight, top = this.$getTop(range.start.row, config), padding = this.$padding;\n        var selections = this.session.$bidiHandler.getSelections(range.start.column, range.end.column);\n\n        selections.forEach(function(selection) {\n            this.elt(\n                clazz,\n                \"height:\" + height + \"px;\" +\n                \"width:\" + selection.width + (extraLength || 0) + \"px;\" +\n                \"top:\" + top + \"px;\" +\n                \"left:\" + (padding + selection.left) + \"px;\" + (extraStyle || \"\")\n            );\n        }, this);\n    };\n\n    this.drawFullLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {\n        var top = this.$getTop(range.start.row, config);\n        var height = config.lineHeight;\n        if (range.start.row != range.end.row)\n            height += this.$getTop(range.end.row, config) - top;\n\n        this.elt(\n            clazz,\n            \"height:\"+ height+ \"px;\"+\n            \"top:\"+ top+ \"px;\"+\n            \"left:0;right:0;\"+ (extraStyle || \"\")\n        );\n    };\n    \n    this.drawScreenLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {\n        var top = this.$getTop(range.start.row, config);\n        var height = config.lineHeight;\n\n        this.elt(\n            clazz,\n            \"height:\"+ height+ \"px;\"+\n            \"top:\"+ top+ \"px;\"+\n            \"left:0;right:0;\"+ (extraStyle || \"\")\n        );\n    };\n\n}).call(Marker.prototype);\n\nexports.Marker = Marker;\n\n});\n\nace.define(\"ace/layer/text\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/dom\",\"ace/lib/lang\",\"ace/layer/lines\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"../lib/oop\");\nvar dom = require(\"../lib/dom\");\nvar lang = require(\"../lib/lang\");\nvar Lines = require(\"./lines\").Lines;\nvar EventEmitter = require(\"../lib/event_emitter\").EventEmitter;\n\nvar Text = function(parentEl) {\n    this.dom = dom; \n    this.element = this.dom.createElement(\"div\");\n    this.element.className = \"ace_layer ace_text-layer\";\n    parentEl.appendChild(this.element);\n    this.$updateEolChar = this.$updateEolChar.bind(this);\n    this.$lines = new Lines(this.element);\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n\n    this.EOF_CHAR = \"\\xB6\";\n    this.EOL_CHAR_LF = \"\\xAC\";\n    this.EOL_CHAR_CRLF = \"\\xa4\";\n    this.EOL_CHAR = this.EOL_CHAR_LF;\n    this.TAB_CHAR = \"\\u2014\"; //\"\\u21E5\";\n    this.SPACE_CHAR = \"\\xB7\";\n    this.$padding = 0;\n    this.MAX_LINE_LENGTH = 10000;\n\n    this.$updateEolChar = function() {\n        var doc = this.session.doc;\n        var unixMode = doc.getNewLineCharacter() == \"\\n\" && doc.getNewLineMode() != \"windows\";\n        var EOL_CHAR = unixMode ? this.EOL_CHAR_LF : this.EOL_CHAR_CRLF;\n        if (this.EOL_CHAR != EOL_CHAR) {\n            this.EOL_CHAR = EOL_CHAR;\n            return true;\n        }\n    };\n\n    this.setPadding = function(padding) {\n        this.$padding = padding;\n        this.element.style.margin = \"0 \" + padding + \"px\";\n    };\n\n    this.getLineHeight = function() {\n        return this.$fontMetrics.$characterSize.height || 0;\n    };\n\n    this.getCharacterWidth = function() {\n        return this.$fontMetrics.$characterSize.width || 0;\n    };\n    \n    this.$setFontMetrics = function(measure) {\n        this.$fontMetrics = measure;\n        this.$fontMetrics.on(\"changeCharacterSize\", function(e) {\n            this._signal(\"changeCharacterSize\", e);\n        }.bind(this));\n        this.$pollSizeChanges();\n    };\n\n    this.checkForSizeChanges = function() {\n        this.$fontMetrics.checkForSizeChanges();\n    };\n    this.$pollSizeChanges = function() {\n        return this.$pollSizeChangesTimer = this.$fontMetrics.$pollSizeChanges();\n    };\n    this.setSession = function(session) {\n        this.session = session;\n        if (session)\n            this.$computeTabString();\n    };\n\n    this.showInvisibles = false;\n    this.showSpaces = false;\n    this.showTabs = false;\n    this.showEOL = false;\n    this.setShowInvisibles = function(showInvisibles) {\n        if (this.showInvisibles == showInvisibles)\n            return false;\n\n        this.showInvisibles = showInvisibles;\n        if (typeof showInvisibles == \"string\") {\n            this.showSpaces = /tab/i.test(showInvisibles);\n            this.showTabs = /space/i.test(showInvisibles);\n            this.showEOL = /eol/i.test(showInvisibles);\n        } else {\n            this.showSpaces = this.showTabs = this.showEOL = showInvisibles;\n        }\n        this.$computeTabString();\n        return true;\n    };\n\n    this.displayIndentGuides = true;\n    this.setDisplayIndentGuides = function(display) {\n        if (this.displayIndentGuides == display)\n            return false;\n\n        this.displayIndentGuides = display;\n        this.$computeTabString();\n        return true;\n    };\n\n    this.$tabStrings = [];\n    this.onChangeTabSize =\n    this.$computeTabString = function() {\n        var tabSize = this.session.getTabSize();\n        this.tabSize = tabSize;\n        var tabStr = this.$tabStrings = [0];\n        for (var i = 1; i < tabSize + 1; i++) {\n            if (this.showTabs) {\n                var span = this.dom.createElement(\"span\");\n                span.className = \"ace_invisible ace_invisible_tab\";\n                span.textContent = lang.stringRepeat(this.TAB_CHAR, i);\n                tabStr.push(span);\n            } else {\n                tabStr.push(this.dom.createTextNode(lang.stringRepeat(\" \", i), this.element));\n            }\n        }\n        if (this.displayIndentGuides) {\n            this.$indentGuideRe =  /\\s\\S| \\t|\\t |\\s$/;\n            var className = \"ace_indent-guide\";\n            var spaceClass = this.showSpaces ? \" ace_invisible ace_invisible_space\" : \"\";\n            var spaceContent = this.showSpaces\n                ? lang.stringRepeat(this.SPACE_CHAR, this.tabSize)\n                : lang.stringRepeat(\" \", this.tabSize);\n\n            var tabClass = this.showTabs ? \" ace_invisible ace_invisible_tab\" : \"\";\n            var tabContent = this.showTabs \n                ? lang.stringRepeat(this.TAB_CHAR, this.tabSize)\n                : spaceContent;\n\n            var span = this.dom.createElement(\"span\");\n            span.className = className + spaceClass;\n            span.textContent = spaceContent;\n            this.$tabStrings[\" \"] = span;\n            \n            var span = this.dom.createElement(\"span\");\n            span.className = className + tabClass;\n            span.textContent = tabContent;\n            this.$tabStrings[\"\\t\"] = span;\n        }\n    };\n\n    this.updateLines = function(config, firstRow, lastRow) {\n        if (this.config.lastRow != config.lastRow ||\n            this.config.firstRow != config.firstRow) {\n            return this.update(config);\n        }\n        \n        this.config = config;\n\n        var first = Math.max(firstRow, config.firstRow);\n        var last = Math.min(lastRow, config.lastRow);\n\n        var lineElements = this.element.childNodes;\n        var lineElementsIdx = 0;\n\n        for (var row = config.firstRow; row < first; row++) {\n            var foldLine = this.session.getFoldLine(row);\n            if (foldLine) {\n                if (foldLine.containsRow(first)) {\n                    first = foldLine.start.row;\n                    break;\n                } else {\n                    row = foldLine.end.row;\n                }\n            }\n            lineElementsIdx ++;\n        }\n\n        var heightChanged = false;\n        var row = first;\n        var foldLine = this.session.getNextFoldLine(row);\n        var foldStart = foldLine ? foldLine.start.row : Infinity;\n\n        while (true) {\n            if (row > foldStart) {\n                row = foldLine.end.row+1;\n                foldLine = this.session.getNextFoldLine(row, foldLine);\n                foldStart = foldLine ? foldLine.start.row :Infinity;\n            }\n            if (row > last)\n                break;\n\n            var lineElement = lineElements[lineElementsIdx++];\n            if (lineElement) {\n                this.dom.removeChildren(lineElement);\n                this.$renderLine(\n                    lineElement, row, row == foldStart ? foldLine : false\n                );\n\n                if (heightChanged)\n                    lineElement.style.top = this.$lines.computeLineTop(row, config, this.session) + \"px\";\n\n                var height = (config.lineHeight * this.session.getRowLength(row)) + \"px\";\n                if (lineElement.style.height != height) {\n                    heightChanged = true;\n                    lineElement.style.height = height;\n                }\n            }\n            row++;\n        }\n        if (heightChanged) {\n            while (lineElementsIdx < this.$lines.cells.length) {\n                var cell = this.$lines.cells[lineElementsIdx++];\n                cell.element.style.top = this.$lines.computeLineTop(cell.row, config, this.session) + \"px\";\n            }\n        }\n    };\n\n    this.scrollLines = function(config) {\n        var oldConfig = this.config;\n        this.config = config;\n\n        if (this.$lines.pageChanged(oldConfig, config))\n            return this.update(config);\n            \n        this.$lines.moveContainer(config);\n        \n        var lastRow = config.lastRow;\n        var oldLastRow = oldConfig ? oldConfig.lastRow : -1;\n\n        if (!oldConfig || oldLastRow < config.firstRow)\n            return this.update(config);\n\n        if (lastRow < oldConfig.firstRow)\n            return this.update(config);\n\n        if (!oldConfig || oldConfig.lastRow < config.firstRow)\n            return this.update(config);\n\n        if (config.lastRow < oldConfig.firstRow)\n            return this.update(config);\n\n        if (oldConfig.firstRow < config.firstRow)\n            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)\n                this.$lines.shift();\n\n        if (oldConfig.lastRow > config.lastRow)\n            for (var row=this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row>0; row--)\n                this.$lines.pop();\n\n        if (config.firstRow < oldConfig.firstRow) {\n            this.$lines.unshift(this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1));\n        }\n\n        if (config.lastRow > oldConfig.lastRow) {\n            this.$lines.push(this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow));\n        }\n    };\n\n    this.$renderLinesFragment = function(config, firstRow, lastRow) {\n        var fragment = [];\n        var row = firstRow;\n        var foldLine = this.session.getNextFoldLine(row);\n        var foldStart = foldLine ? foldLine.start.row : Infinity;\n\n        while (true) {\n            if (row > foldStart) {\n                row = foldLine.end.row+1;\n                foldLine = this.session.getNextFoldLine(row, foldLine);\n                foldStart = foldLine ? foldLine.start.row : Infinity;\n            }\n            if (row > lastRow)\n                break;\n\n            var line = this.$lines.createCell(row, config, this.session);\n            \n            var lineEl = line.element;\n            this.dom.removeChildren(lineEl);\n            dom.setStyle(lineEl.style, \"height\", this.$lines.computeLineHeight(row, config, this.session) + \"px\");\n            dom.setStyle(lineEl.style, \"top\", this.$lines.computeLineTop(row, config, this.session) + \"px\");\n            this.$renderLine(lineEl, row, row == foldStart ? foldLine : false);\n\n            if (this.$useLineGroups()) {\n                lineEl.className = \"ace_line_group\";\n            } else {\n                lineEl.className = \"ace_line\";\n            }\n            fragment.push(line);\n\n            row++;\n        }\n        return fragment;\n    };\n\n    this.update = function(config) {\n        this.$lines.moveContainer(config);\n        \n        this.config = config;\n\n        var firstRow = config.firstRow;\n        var lastRow = config.lastRow;\n\n        var lines = this.$lines;\n        while (lines.getLength())\n            lines.pop();\n            \n        lines.push(this.$renderLinesFragment(config, firstRow, lastRow));\n    };\n\n    this.$textToken = {\n        \"text\": true,\n        \"rparen\": true,\n        \"lparen\": true\n    };\n\n    this.$renderToken = function(parent, screenColumn, token, value) {\n        var self = this;\n        var re = /(\\t)|( +)|([\\x00-\\x1f\\x80-\\xa0\\xad\\u1680\\u180E\\u2000-\\u200f\\u2028\\u2029\\u202F\\u205F\\uFEFF\\uFFF9-\\uFFFC]+)|(\\u3000)|([\\u1100-\\u115F\\u11A3-\\u11A7\\u11FA-\\u11FF\\u2329-\\u232A\\u2E80-\\u2E99\\u2E9B-\\u2EF3\\u2F00-\\u2FD5\\u2FF0-\\u2FFB\\u3001-\\u303E\\u3041-\\u3096\\u3099-\\u30FF\\u3105-\\u312D\\u3131-\\u318E\\u3190-\\u31BA\\u31C0-\\u31E3\\u31F0-\\u321E\\u3220-\\u3247\\u3250-\\u32FE\\u3300-\\u4DBF\\u4E00-\\uA48C\\uA490-\\uA4C6\\uA960-\\uA97C\\uAC00-\\uD7A3\\uD7B0-\\uD7C6\\uD7CB-\\uD7FB\\uF900-\\uFAFF\\uFE10-\\uFE19\\uFE30-\\uFE52\\uFE54-\\uFE66\\uFE68-\\uFE6B\\uFF01-\\uFF60\\uFFE0-\\uFFE6]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF])/g;\n        \n        var valueFragment = this.dom.createFragment(this.element);\n\n        var m;\n        var i = 0;\n        while (m = re.exec(value)) {\n            var tab = m[1];\n            var simpleSpace = m[2];\n            var controlCharacter = m[3];\n            var cjkSpace = m[4];\n            var cjk = m[5];\n            \n            if (!self.showSpaces && simpleSpace)\n                continue;\n\n            var before = i != m.index ? value.slice(i, m.index) : \"\";\n\n            i = m.index + m[0].length;\n            \n            if (before) {\n                valueFragment.appendChild(this.dom.createTextNode(before, this.element));\n            }\n                \n            if (tab) {\n                var tabSize = self.session.getScreenTabSize(screenColumn + m.index);\n                valueFragment.appendChild(self.$tabStrings[tabSize].cloneNode(true));\n                screenColumn += tabSize - 1;\n            } else if (simpleSpace) {\n                if (self.showSpaces) {\n                    var span = this.dom.createElement(\"span\");\n                    span.className = \"ace_invisible ace_invisible_space\";\n                    span.textContent = lang.stringRepeat(self.SPACE_CHAR, simpleSpace.length);\n                    valueFragment.appendChild(span);\n                } else {\n                    valueFragment.appendChild(this.com.createTextNode(simpleSpace, this.element));\n                }\n            } else if (controlCharacter) {\n                var span = this.dom.createElement(\"span\");\n                span.className = \"ace_invisible ace_invisible_space ace_invalid\";\n                span.textContent = lang.stringRepeat(self.SPACE_CHAR, controlCharacter.length);\n                valueFragment.appendChild(span);\n            } else if (cjkSpace) {\n                screenColumn += 1;\n                \n                var span = this.dom.createElement(\"span\");\n                span.style.width = (self.config.characterWidth * 2) + \"px\";\n                span.className = self.showSpaces ? \"ace_cjk ace_invisible ace_invisible_space\" : \"ace_cjk\";\n                span.textContent = self.showSpaces ? self.SPACE_CHAR : cjkSpace;\n                valueFragment.appendChild(span);\n            } else if (cjk) {\n                screenColumn += 1;\n                var span = this.dom.createElement(\"span\");\n                span.style.width = (self.config.characterWidth * 2) + \"px\";\n                span.className = \"ace_cjk\";\n                span.textContent = cjk;\n                valueFragment.appendChild(span);\n            }\n        }\n        \n        valueFragment.appendChild(this.dom.createTextNode(i ? value.slice(i) : value, this.element));\n\n        if (!this.$textToken[token.type]) {\n            var classes = \"ace_\" + token.type.replace(/\\./g, \" ace_\");\n            var span = this.dom.createElement(\"span\");\n            if (token.type == \"fold\")\n                span.style.width = (token.value.length * this.config.characterWidth) + \"px\";\n                \n            span.className = classes;\n            span.appendChild(valueFragment);\n            \n            parent.appendChild(span);\n        }\n        else {\n            parent.appendChild(valueFragment);\n        }\n        \n        return screenColumn + value.length;\n    };\n\n    this.renderIndentGuide = function(parent, value, max) {\n        var cols = value.search(this.$indentGuideRe);\n        if (cols <= 0 || cols >= max)\n            return value;\n        if (value[0] == \" \") {\n            cols -= cols % this.tabSize;\n            var count = cols/this.tabSize;\n            for (var i=0; i<count; i++) {\n                parent.appendChild(this.$tabStrings[\" \"].cloneNode(true));\n            }\n            return value.substr(cols);\n        } else if (value[0] == \"\\t\") {\n            for (var i=0; i<cols; i++) {\n                parent.appendChild(this.$tabStrings[\"\\t\"].cloneNode(true));\n            }\n            return value.substr(cols);\n        }\n        return value;\n    };\n\n    this.$createLineElement = function(parent) {\n        var lineEl = this.dom.createElement(\"div\");\n        lineEl.className = \"ace_line\";\n        lineEl.style.height = this.config.lineHeight + \"px\";\n        \n        return lineEl;\n    };\n\n    this.$renderWrappedLine = function(parent, tokens, splits) {\n        var chars = 0;\n        var split = 0;\n        var splitChars = splits[0];\n        var screenColumn = 0;\n\n        var lineEl = this.$createLineElement();\n        parent.appendChild(lineEl);\n        \n        for (var i = 0; i < tokens.length; i++) {\n            var token = tokens[i];\n            var value = token.value;\n            if (i == 0 && this.displayIndentGuides) {\n                chars = value.length;\n                value = this.renderIndentGuide(lineEl, value, splitChars);\n                if (!value)\n                    continue;\n                chars -= value.length;\n            }\n\n            if (chars + value.length < splitChars) {\n                screenColumn = this.$renderToken(lineEl, screenColumn, token, value);\n                chars += value.length;\n            } else {\n                while (chars + value.length >= splitChars) {\n                    screenColumn = this.$renderToken(\n                        lineEl, screenColumn,\n                        token, value.substring(0, splitChars - chars)\n                    );\n                    value = value.substring(splitChars - chars);\n                    chars = splitChars;\n\n                    lineEl = this.$createLineElement();\n                    parent.appendChild(lineEl);\n\n                    lineEl.appendChild(this.dom.createTextNode(lang.stringRepeat(\"\\xa0\", splits.indent), this.element));\n\n                    split ++;\n                    screenColumn = 0;\n                    splitChars = splits[split] || Number.MAX_VALUE;\n                }\n                if (value.length != 0) {\n                    chars += value.length;\n                    screenColumn = this.$renderToken(\n                        lineEl, screenColumn, token, value\n                    );\n                }\n            }\n        }\n        \n        if (splits[splits.length - 1] > this.MAX_LINE_LENGTH)\n            this.$renderOverflowMessage(lineEl, screenColumn, null, \"\", true);\n    };\n\n    this.$renderSimpleLine = function(parent, tokens) {\n        var screenColumn = 0;\n        var token = tokens[0];\n        var value = token.value;\n        if (this.displayIndentGuides)\n            value = this.renderIndentGuide(parent, value);\n        if (value)\n            screenColumn = this.$renderToken(parent, screenColumn, token, value);\n        for (var i = 1; i < tokens.length; i++) {\n            token = tokens[i];\n            value = token.value;\n            if (screenColumn + value.length > this.MAX_LINE_LENGTH)\n                return this.$renderOverflowMessage(parent, screenColumn, token, value);\n            screenColumn = this.$renderToken(parent, screenColumn, token, value);\n        }\n    };\n    \n    this.$renderOverflowMessage = function(parent, screenColumn, token, value, hide) {\n        token && this.$renderToken(parent, screenColumn, token,\n            value.slice(0, this.MAX_LINE_LENGTH - screenColumn));\n            \n        var overflowEl = this.dom.createElement(\"span\");\n        overflowEl.className = \"ace_inline_button ace_keyword ace_toggle_wrap\";\n        overflowEl.textContent = hide ? \"<hide>\" : \"<click to see more...>\";\n        \n        parent.appendChild(overflowEl);        \n    };\n    this.$renderLine = function(parent, row, foldLine) {\n        if (!foldLine && foldLine != false)\n            foldLine = this.session.getFoldLine(row);\n\n        if (foldLine)\n            var tokens = this.$getFoldLineTokens(row, foldLine);\n        else\n            var tokens = this.session.getTokens(row);\n\n        var lastLineEl = parent;\n        if (tokens.length) {\n            var splits = this.session.getRowSplitData(row);\n            if (splits && splits.length) {\n                this.$renderWrappedLine(parent, tokens, splits);\n                var lastLineEl = parent.lastChild;\n            } else {\n                var lastLineEl = parent;\n                if (this.$useLineGroups()) {\n                    lastLineEl = this.$createLineElement();\n                    parent.appendChild(lastLineEl);\n                }\n                this.$renderSimpleLine(lastLineEl, tokens);\n            }\n        } else if (this.$useLineGroups()) {\n            lastLineEl = this.$createLineElement();\n            parent.appendChild(lastLineEl);\n        }\n\n        if (this.showEOL && lastLineEl) {\n            if (foldLine)\n                row = foldLine.end.row;\n\n            var invisibleEl = this.dom.createElement(\"span\");\n            invisibleEl.className = \"ace_invisible ace_invisible_eol\";\n            invisibleEl.textContent = row == this.session.getLength() - 1 ? this.EOF_CHAR : this.EOL_CHAR;\n            \n            lastLineEl.appendChild(invisibleEl);\n        }\n    };\n\n    this.$getFoldLineTokens = function(row, foldLine) {\n        var session = this.session;\n        var renderTokens = [];\n\n        function addTokens(tokens, from, to) {\n            var idx = 0, col = 0;\n            while ((col + tokens[idx].value.length) < from) {\n                col += tokens[idx].value.length;\n                idx++;\n\n                if (idx == tokens.length)\n                    return;\n            }\n            if (col != from) {\n                var value = tokens[idx].value.substring(from - col);\n                if (value.length > (to - from))\n                    value = value.substring(0, to - from);\n\n                renderTokens.push({\n                    type: tokens[idx].type,\n                    value: value\n                });\n\n                col = from + value.length;\n                idx += 1;\n            }\n\n            while (col < to && idx < tokens.length) {\n                var value = tokens[idx].value;\n                if (value.length + col > to) {\n                    renderTokens.push({\n                        type: tokens[idx].type,\n                        value: value.substring(0, to - col)\n                    });\n                } else\n                    renderTokens.push(tokens[idx]);\n                col += value.length;\n                idx += 1;\n            }\n        }\n\n        var tokens = session.getTokens(row);\n        foldLine.walk(function(placeholder, row, column, lastColumn, isNewRow) {\n            if (placeholder != null) {\n                renderTokens.push({\n                    type: \"fold\",\n                    value: placeholder\n                });\n            } else {\n                if (isNewRow)\n                    tokens = session.getTokens(row);\n\n                if (tokens.length)\n                    addTokens(tokens, lastColumn, column);\n            }\n        }, foldLine.end.row, this.session.getLine(foldLine.end.row).length);\n\n        return renderTokens;\n    };\n\n    this.$useLineGroups = function() {\n        return this.session.getUseWrapMode();\n    };\n\n    this.destroy = function() {};\n}).call(Text.prototype);\n\nexports.Text = Text;\n\n});\n\nace.define(\"ace/layer/cursor\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"../lib/dom\");\n\nvar Cursor = function(parentEl) {\n    this.element = dom.createElement(\"div\");\n    this.element.className = \"ace_layer ace_cursor-layer\";\n    parentEl.appendChild(this.element);\n    \n    this.isVisible = false;\n    this.isBlinking = true;\n    this.blinkInterval = 1000;\n    this.smoothBlinking = false;\n\n    this.cursors = [];\n    this.cursor = this.addCursor();\n    dom.addCssClass(this.element, \"ace_hidden-cursors\");\n    this.$updateCursors = this.$updateOpacity.bind(this);\n};\n\n(function() {\n    \n    this.$updateOpacity = function(val) {\n        var cursors = this.cursors;\n        for (var i = cursors.length; i--; )\n            dom.setStyle(cursors[i].style, \"opacity\", val ? \"\" : \"0\");\n    };\n\n    this.$startCssAnimation = function() {\n        var cursors = this.cursors;\n        for (var i = cursors.length; i--; )\n            cursors[i].style.animationDuration = this.blinkInterval + \"ms\";\n\n        setTimeout(function() {\n            dom.addCssClass(this.element, \"ace_animate-blinking\");\n        }.bind(this));\n    };\n    \n    this.$stopCssAnimation = function() {\n        dom.removeCssClass(this.element, \"ace_animate-blinking\");\n    };\n\n    this.$padding = 0;\n    this.setPadding = function(padding) {\n        this.$padding = padding;\n    };\n\n    this.setSession = function(session) {\n        this.session = session;\n    };\n\n    this.setBlinking = function(blinking) {\n        if (blinking != this.isBlinking) {\n            this.isBlinking = blinking;\n            this.restartTimer();\n        }\n    };\n\n    this.setBlinkInterval = function(blinkInterval) {\n        if (blinkInterval != this.blinkInterval) {\n            this.blinkInterval = blinkInterval;\n            this.restartTimer();\n        }\n    };\n\n    this.setSmoothBlinking = function(smoothBlinking) {\n        if (smoothBlinking != this.smoothBlinking) {\n            this.smoothBlinking = smoothBlinking;\n            dom.setCssClass(this.element, \"ace_smooth-blinking\", smoothBlinking);\n            this.$updateCursors(true);\n            this.restartTimer();\n        }\n    };\n\n    this.addCursor = function() {\n        var el = dom.createElement(\"div\");\n        el.className = \"ace_cursor\";\n        this.element.appendChild(el);\n        this.cursors.push(el);\n        return el;\n    };\n\n    this.removeCursor = function() {\n        if (this.cursors.length > 1) {\n            var el = this.cursors.pop();\n            el.parentNode.removeChild(el);\n            return el;\n        }\n    };\n\n    this.hideCursor = function() {\n        this.isVisible = false;\n        dom.addCssClass(this.element, \"ace_hidden-cursors\");\n        this.restartTimer();\n    };\n\n    this.showCursor = function() {\n        this.isVisible = true;\n        dom.removeCssClass(this.element, \"ace_hidden-cursors\");\n        this.restartTimer();\n    };\n\n    this.restartTimer = function() {\n        var update = this.$updateCursors;\n        clearInterval(this.intervalId);\n        clearTimeout(this.timeoutId);\n        this.$stopCssAnimation();\n\n        if (this.smoothBlinking) {\n            dom.removeCssClass(this.element, \"ace_smooth-blinking\");\n        }\n        \n        update(true);\n\n        if (!this.isBlinking || !this.blinkInterval || !this.isVisible) {\n            this.$stopCssAnimation();\n            return;\n        }\n\n        if (this.smoothBlinking) {\n            setTimeout(function(){\n                dom.addCssClass(this.element, \"ace_smooth-blinking\");\n            }.bind(this));\n        }\n        \n        if (dom.HAS_CSS_ANIMATION) {\n            this.$startCssAnimation();\n        } else {\n            var blink = function(){\n                this.timeoutId = setTimeout(function() {\n                    update(false);\n                }, 0.6 * this.blinkInterval);\n            }.bind(this);\n    \n            this.intervalId = setInterval(function() {\n                update(true);\n                blink();\n            }, this.blinkInterval);\n            blink();\n        }\n    };\n\n    this.getPixelPosition = function(position, onScreen) {\n        if (!this.config || !this.session)\n            return {left : 0, top : 0};\n\n        if (!position)\n            position = this.session.selection.getCursor();\n        var pos = this.session.documentToScreenPosition(position);\n        var cursorLeft = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, position.row)\n            ? this.session.$bidiHandler.getPosLeft(pos.column)\n            : pos.column * this.config.characterWidth);\n\n        var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *\n            this.config.lineHeight;\n\n        return {left : cursorLeft, top : cursorTop};\n    };\n\n    this.isCursorInView = function(pixelPos, config) {\n        return pixelPos.top >= 0 && pixelPos.top < config.maxHeight;\n    };\n\n    this.update = function(config) {\n        this.config = config;\n\n        var selections = this.session.$selectionMarkers;\n        var i = 0, cursorIndex = 0;\n\n        if (selections === undefined || selections.length === 0){\n            selections = [{cursor: null}];\n        }\n\n        for (var i = 0, n = selections.length; i < n; i++) {\n            var pixelPos = this.getPixelPosition(selections[i].cursor, true);\n            if ((pixelPos.top > config.height + config.offset ||\n                 pixelPos.top < 0) && i > 1) {\n                continue;\n            }\n\n            var element = this.cursors[cursorIndex++] || this.addCursor();\n            var style = element.style;\n            \n            if (!this.drawCursor) {\n                if (!this.isCursorInView(pixelPos, config)) {\n                    dom.setStyle(style, \"display\", \"none\");\n                } else {\n                    dom.setStyle(style, \"display\", \"block\");\n                    dom.translate(element, pixelPos.left, pixelPos.top);\n                    dom.setStyle(style, \"width\", Math.round(config.characterWidth) + \"px\");\n                    dom.setStyle(style, \"height\", config.lineHeight + \"px\");\n                }\n            } else {\n                this.drawCursor(element, pixelPos, config, selections[i], this.session);\n            }\n        }\n        while (this.cursors.length > cursorIndex)\n            this.removeCursor();\n\n        var overwrite = this.session.getOverwrite();\n        this.$setOverwrite(overwrite);\n        this.$pixelPos = pixelPos;\n        this.restartTimer();\n    };\n    \n    this.drawCursor = null;\n\n    this.$setOverwrite = function(overwrite) {\n        if (overwrite != this.overwrite) {\n            this.overwrite = overwrite;\n            if (overwrite)\n                dom.addCssClass(this.element, \"ace_overwrite-cursors\");\n            else\n                dom.removeCssClass(this.element, \"ace_overwrite-cursors\");\n        }\n    };\n\n    this.destroy = function() {\n        clearInterval(this.intervalId);\n        clearTimeout(this.timeoutId);\n    };\n\n}).call(Cursor.prototype);\n\nexports.Cursor = Cursor;\n\n});\n\nace.define(\"ace/scrollbar\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/dom\",\"ace/lib/event\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar dom = require(\"./lib/dom\");\nvar event = require(\"./lib/event\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar MAX_SCROLL_H = 0x8000;\nvar ScrollBar = function(parent) {\n    this.element = dom.createElement(\"div\");\n    this.element.className = \"ace_scrollbar ace_scrollbar\" + this.classSuffix;\n\n    this.inner = dom.createElement(\"div\");\n    this.inner.className = \"ace_scrollbar-inner\";\n    this.inner.textContent = \"\\xa0\";\n    this.element.appendChild(this.inner);\n\n    parent.appendChild(this.element);\n\n    this.setVisible(false);\n    this.skipEvent = false;\n\n    event.addListener(this.element, \"scroll\", this.onScroll.bind(this));\n    event.addListener(this.element, \"mousedown\", event.preventDefault);\n};\n\n(function() {\n    oop.implement(this, EventEmitter);\n\n    this.setVisible = function(isVisible) {\n        this.element.style.display = isVisible ? \"\" : \"none\";\n        this.isVisible = isVisible;\n        this.coeff = 1;\n    };\n}).call(ScrollBar.prototype);\nvar VScrollBar = function(parent, renderer) {\n    ScrollBar.call(this, parent);\n    this.scrollTop = 0;\n    this.scrollHeight = 0;\n    renderer.$scrollbarWidth = \n    this.width = dom.scrollbarWidth(parent.ownerDocument);\n    this.inner.style.width =\n    this.element.style.width = (this.width || 15) + 5 + \"px\";\n    this.$minWidth = 0;\n};\n\noop.inherits(VScrollBar, ScrollBar);\n\n(function() {\n\n    this.classSuffix = '-v';\n    this.onScroll = function() {\n        if (!this.skipEvent) {\n            this.scrollTop = this.element.scrollTop;\n            if (this.coeff != 1) {\n                var h = this.element.clientHeight / this.scrollHeight;\n                this.scrollTop = this.scrollTop * (1 - h) / (this.coeff - h);\n            }\n            this._emit(\"scroll\", {data: this.scrollTop});\n        }\n        this.skipEvent = false;\n    };\n    this.getWidth = function() {\n        return Math.max(this.isVisible ? this.width : 0, this.$minWidth || 0);\n    };\n    this.setHeight = function(height) {\n        this.element.style.height = height + \"px\";\n    };\n    this.setInnerHeight = \n    this.setScrollHeight = function(height) {\n        this.scrollHeight = height;\n        if (height > MAX_SCROLL_H) {\n            this.coeff = MAX_SCROLL_H / height;\n            height = MAX_SCROLL_H;\n        } else if (this.coeff != 1) {\n            this.coeff = 1;\n        }\n        this.inner.style.height = height + \"px\";\n    };\n    this.setScrollTop = function(scrollTop) {\n        if (this.scrollTop != scrollTop) {\n            this.skipEvent = true;\n            this.scrollTop = scrollTop;\n            this.element.scrollTop = scrollTop * this.coeff;\n        }\n    };\n\n}).call(VScrollBar.prototype);\nvar HScrollBar = function(parent, renderer) {\n    ScrollBar.call(this, parent);\n    this.scrollLeft = 0;\n    this.height = renderer.$scrollbarWidth;\n    this.inner.style.height =\n    this.element.style.height = (this.height || 15) + 5 + \"px\";\n};\n\noop.inherits(HScrollBar, ScrollBar);\n\n(function() {\n\n    this.classSuffix = '-h';\n    this.onScroll = function() {\n        if (!this.skipEvent) {\n            this.scrollLeft = this.element.scrollLeft;\n            this._emit(\"scroll\", {data: this.scrollLeft});\n        }\n        this.skipEvent = false;\n    };\n    this.getHeight = function() {\n        return this.isVisible ? this.height : 0;\n    };\n    this.setWidth = function(width) {\n        this.element.style.width = width + \"px\";\n    };\n    this.setInnerWidth = function(width) {\n        this.inner.style.width = width + \"px\";\n    };\n    this.setScrollWidth = function(width) {\n        this.inner.style.width = width + \"px\";\n    };\n    this.setScrollLeft = function(scrollLeft) {\n        if (this.scrollLeft != scrollLeft) {\n            this.skipEvent = true;\n            this.scrollLeft = this.element.scrollLeft = scrollLeft;\n        }\n    };\n\n}).call(HScrollBar.prototype);\n\n\nexports.ScrollBar = VScrollBar; // backward compatibility\nexports.ScrollBarV = VScrollBar; // backward compatibility\nexports.ScrollBarH = HScrollBar; // backward compatibility\n\nexports.VScrollBar = VScrollBar;\nexports.HScrollBar = HScrollBar;\n});\n\nace.define(\"ace/renderloop\",[\"require\",\"exports\",\"module\",\"ace/lib/event\"], function(require, exports, module) {\n\"use strict\";\n\nvar event = require(\"./lib/event\");\n\n\nvar RenderLoop = function(onRender, win) {\n    this.onRender = onRender;\n    this.pending = false;\n    this.changes = 0;\n    this.$recursionLimit = 2;\n    this.window = win || window;\n    var _self = this;\n    this._flush = function(ts) {\n        _self.pending = false;\n        var changes = _self.changes;\n\n        if (changes) {\n            event.blockIdle(100);\n            _self.changes = 0;\n            _self.onRender(changes);\n        }\n        \n        if (_self.changes) {\n            if (_self.$recursionLimit-- < 0) return;\n            _self.schedule();\n        } else {\n            _self.$recursionLimit = 2;\n        }\n    };\n};\n\n(function() {\n\n    this.schedule = function(change) {\n        this.changes = this.changes | change;\n        if (this.changes && !this.pending) {\n            event.nextFrame(this._flush);\n            this.pending = true;\n        }\n    };\n\n    this.clear = function(change) {\n        var changes = this.changes;\n        this.changes = 0;\n        return changes;\n    };\n\n}).call(RenderLoop.prototype);\n\nexports.RenderLoop = RenderLoop;\n});\n\nace.define(\"ace/layer/font_metrics\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/dom\",\"ace/lib/lang\",\"ace/lib/event\",\"ace/lib/useragent\",\"ace/lib/event_emitter\"], function(require, exports, module) {\n\nvar oop = require(\"../lib/oop\");\nvar dom = require(\"../lib/dom\");\nvar lang = require(\"../lib/lang\");\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nvar EventEmitter = require(\"../lib/event_emitter\").EventEmitter;\n\nvar CHAR_COUNT = 256;\nvar USE_OBSERVER = typeof ResizeObserver == \"function\";\nvar L = 200;\n\nvar FontMetrics = exports.FontMetrics = function(parentEl) {\n    this.el = dom.createElement(\"div\");\n    this.$setMeasureNodeStyles(this.el.style, true);\n    \n    this.$main = dom.createElement(\"div\");\n    this.$setMeasureNodeStyles(this.$main.style);\n    \n    this.$measureNode = dom.createElement(\"div\");\n    this.$setMeasureNodeStyles(this.$measureNode.style);\n    \n    \n    this.el.appendChild(this.$main);\n    this.el.appendChild(this.$measureNode);\n    parentEl.appendChild(this.el);\n    \n    this.$measureNode.textContent = lang.stringRepeat(\"X\", CHAR_COUNT);\n    \n    this.$characterSize = {width: 0, height: 0};\n    \n    \n    if (USE_OBSERVER)\n        this.$addObserver();\n    else\n        this.checkForSizeChanges();\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n        \n    this.$characterSize = {width: 0, height: 0};\n    \n    this.$setMeasureNodeStyles = function(style, isRoot) {\n        style.width = style.height = \"auto\";\n        style.left = style.top = \"0px\";\n        style.visibility = \"hidden\";\n        style.position = \"absolute\";\n        style.whiteSpace = \"pre\";\n\n        if (useragent.isIE < 8) {\n            style[\"font-family\"] = \"inherit\";\n        } else {\n            style.font = \"inherit\";\n        }\n        style.overflow = isRoot ? \"hidden\" : \"visible\";\n    };\n\n    this.checkForSizeChanges = function(size) {\n        if (size === undefined)\n            size = this.$measureSizes();\n        if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {\n            this.$measureNode.style.fontWeight = \"bold\";\n            var boldSize = this.$measureSizes();\n            this.$measureNode.style.fontWeight = \"\";\n            this.$characterSize = size;\n            this.charSizes = Object.create(null);\n            this.allowBoldFonts = boldSize && boldSize.width === size.width && boldSize.height === size.height;\n            this._emit(\"changeCharacterSize\", {data: size});\n        }\n    };\n    \n    this.$addObserver = function() {\n        var self = this;\n        this.$observer = new window.ResizeObserver(function(e) {\n            self.checkForSizeChanges();\n        });\n        this.$observer.observe(this.$measureNode);\n    };\n\n    this.$pollSizeChanges = function() {\n        if (this.$pollSizeChangesTimer || this.$observer)\n            return this.$pollSizeChangesTimer;\n        var self = this;\n        \n        return this.$pollSizeChangesTimer = event.onIdle(function cb() {\n            self.checkForSizeChanges();\n            event.onIdle(cb, 500);\n        }, 500);\n    };\n    \n    this.setPolling = function(val) {\n        if (val) {\n            this.$pollSizeChanges();\n        } else if (this.$pollSizeChangesTimer) {\n            clearInterval(this.$pollSizeChangesTimer);\n            this.$pollSizeChangesTimer = 0;\n        }\n    };\n\n    this.$measureSizes = function(node) {\n        var size = {\n            height: (node || this.$measureNode).clientHeight,\n            width: (node || this.$measureNode).clientWidth / CHAR_COUNT\n        };\n        if (size.width === 0 || size.height === 0)\n            return null;\n        return size;\n    };\n\n    this.$measureCharWidth = function(ch) {\n        this.$main.textContent = lang.stringRepeat(ch, CHAR_COUNT);\n        var rect = this.$main.getBoundingClientRect();\n        return rect.width / CHAR_COUNT;\n    };\n    \n    this.getCharacterWidth = function(ch) {\n        var w = this.charSizes[ch];\n        if (w === undefined) {\n            w = this.charSizes[ch] = this.$measureCharWidth(ch) / this.$characterSize.width;\n        }\n        return w;\n    };\n\n    this.destroy = function() {\n        clearInterval(this.$pollSizeChangesTimer);\n        if (this.$observer)\n            this.$observer.disconnect();\n        if (this.el && this.el.parentNode)\n            this.el.parentNode.removeChild(this.el);\n    };\n\n    \n    this.$getZoom = function getZoom(element) {\n        if (!element || !element.parentElement) return 1;\n        return (window.getComputedStyle(element).zoom || 1) * getZoom(element.parentElement);\n    };\n    this.$initTransformMeasureNodes = function() {\n        var t = function(t, l) {\n            return [\"div\", {\n                style: \"position: absolute;top:\" + t + \"px;left:\" + l + \"px;\"\n            }];\n        };\n        this.els = dom.buildDom([t(0, 0), t(L, 0), t(0, L), t(L, L)], this.el);\n    };\n    this.transformCoordinates = function(clientPos, elPos) {\n        if (clientPos) {\n            var zoom = this.$getZoom(this.el);\n            clientPos = mul(1 / zoom, clientPos);\n        }\n        function solve(l1, l2, r) {\n            var det = l1[1] * l2[0] - l1[0] * l2[1];\n            return [\n                (-l2[1] * r[0] + l2[0] * r[1]) / det,\n                (+l1[1] * r[0] - l1[0] * r[1]) / det\n            ];\n        }\n        function sub(a, b) { return [a[0] - b[0], a[1] - b[1]]; }\n        function add(a, b) { return [a[0] + b[0], a[1] + b[1]]; }\n        function mul(a, b) { return [a * b[0], a * b[1]]; }\n\n        if (!this.els)\n            this.$initTransformMeasureNodes();\n        \n        function p(el) {\n            var r = el.getBoundingClientRect();\n            return [r.left, r.top];\n        }\n\n        var a = p(this.els[0]);\n        var b = p(this.els[1]);\n        var c = p(this.els[2]);\n        var d = p(this.els[3]);\n\n        var h = solve(sub(d, b), sub(d, c), sub(add(b, c), add(d, a)));\n\n        var m1 = mul(1 + h[0], sub(b, a));\n        var m2 = mul(1 + h[1], sub(c, a));\n        \n        if (elPos) {\n            var x = elPos;\n            var k = h[0] * x[0] / L + h[1] * x[1] / L + 1;\n            var ut = add(mul(x[0], m1), mul(x[1], m2));\n            return  add(mul(1 / k / L, ut), a);\n        }\n        var u = sub(clientPos, a);\n        var f = solve(sub(m1, mul(h[0], u)), sub(m2, mul(h[1], u)), u);\n        return mul(L, f);\n    };\n    \n}).call(FontMetrics.prototype);\n\n});\n\nace.define(\"ace/virtual_renderer\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/dom\",\"ace/config\",\"ace/layer/gutter\",\"ace/layer/marker\",\"ace/layer/text\",\"ace/layer/cursor\",\"ace/scrollbar\",\"ace/scrollbar\",\"ace/renderloop\",\"ace/layer/font_metrics\",\"ace/lib/event_emitter\",\"ace/lib/useragent\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar dom = require(\"./lib/dom\");\nvar config = require(\"./config\");\nvar GutterLayer = require(\"./layer/gutter\").Gutter;\nvar MarkerLayer = require(\"./layer/marker\").Marker;\nvar TextLayer = require(\"./layer/text\").Text;\nvar CursorLayer = require(\"./layer/cursor\").Cursor;\nvar HScrollBar = require(\"./scrollbar\").HScrollBar;\nvar VScrollBar = require(\"./scrollbar\").VScrollBar;\nvar RenderLoop = require(\"./renderloop\").RenderLoop;\nvar FontMetrics = require(\"./layer/font_metrics\").FontMetrics;\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar editorCss = \"\\\n.ace_br1 {border-top-left-radius    : 3px;}\\\n.ace_br2 {border-top-right-radius   : 3px;}\\\n.ace_br3 {border-top-left-radius    : 3px; border-top-right-radius:    3px;}\\\n.ace_br4 {border-bottom-right-radius: 3px;}\\\n.ace_br5 {border-top-left-radius    : 3px; border-bottom-right-radius: 3px;}\\\n.ace_br6 {border-top-right-radius   : 3px; border-bottom-right-radius: 3px;}\\\n.ace_br7 {border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px;}\\\n.ace_br8 {border-bottom-left-radius : 3px;}\\\n.ace_br9 {border-top-left-radius    : 3px; border-bottom-left-radius:  3px;}\\\n.ace_br10{border-top-right-radius   : 3px; border-bottom-left-radius:  3px;}\\\n.ace_br11{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-left-radius:  3px;}\\\n.ace_br12{border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\\\n.ace_br13{border-top-left-radius    : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\\\n.ace_br14{border-top-right-radius   : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\\\n.ace_br15{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px;}\\\n.ace_editor {\\\nposition: relative;\\\noverflow: hidden;\\\npadding: 0;\\\nfont: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;\\\ndirection: ltr;\\\ntext-align: left;\\\n-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\\\n}\\\n.ace_scroller {\\\nposition: absolute;\\\noverflow: hidden;\\\ntop: 0;\\\nbottom: 0;\\\nbackground-color: inherit;\\\n-ms-user-select: none;\\\n-moz-user-select: none;\\\n-webkit-user-select: none;\\\nuser-select: none;\\\ncursor: text;\\\n}\\\n.ace_content {\\\nposition: absolute;\\\nbox-sizing: border-box;\\\nmin-width: 100%;\\\ncontain: style size layout;\\\nfont-variant-ligatures: no-common-ligatures;\\\n}\\\n.ace_dragging .ace_scroller:before{\\\nposition: absolute;\\\ntop: 0;\\\nleft: 0;\\\nright: 0;\\\nbottom: 0;\\\ncontent: '';\\\nbackground: rgba(250, 250, 250, 0.01);\\\nz-index: 1000;\\\n}\\\n.ace_dragging.ace_dark .ace_scroller:before{\\\nbackground: rgba(0, 0, 0, 0.01);\\\n}\\\n.ace_selecting, .ace_selecting * {\\\ncursor: text !important;\\\n}\\\n.ace_gutter {\\\nposition: absolute;\\\noverflow : hidden;\\\nwidth: auto;\\\ntop: 0;\\\nbottom: 0;\\\nleft: 0;\\\ncursor: default;\\\nz-index: 4;\\\n-ms-user-select: none;\\\n-moz-user-select: none;\\\n-webkit-user-select: none;\\\nuser-select: none;\\\ncontain: style size layout;\\\n}\\\n.ace_gutter-active-line {\\\nposition: absolute;\\\nleft: 0;\\\nright: 0;\\\n}\\\n.ace_scroller.ace_scroll-left {\\\nbox-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\\\n}\\\n.ace_gutter-cell {\\\nposition: absolute;\\\ntop: 0;\\\nleft: 0;\\\nright: 0;\\\npadding-left: 19px;\\\npadding-right: 6px;\\\nbackground-repeat: no-repeat;\\\n}\\\n.ace_gutter-cell.ace_error {\\\nbackground-image: url(\\\"data:image/png;base64,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\\\");\\\nbackground-repeat: no-repeat;\\\nbackground-position: 2px center;\\\n}\\\n.ace_gutter-cell.ace_warning {\\\nbackground-image: url(\\\"data:image/png;base64,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\\\");\\\nbackground-position: 2px center;\\\n}\\\n.ace_gutter-cell.ace_info {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAJ0Uk5TAAB2k804AAAAPklEQVQY02NgIB68QuO3tiLznjAwpKTgNyDbMegwisCHZUETUZV0ZqOquBpXj2rtnpSJT1AEnnRmL2OgGgAAIKkRQap2htgAAAAASUVORK5CYII=\\\");\\\nbackground-position: 2px center;\\\n}\\\n.ace_dark .ace_gutter-cell.ace_info {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAJFBMVEUAAAChoaGAgIAqKiq+vr6tra1ZWVmUlJSbm5s8PDxubm56enrdgzg3AAAAAXRSTlMAQObYZgAAAClJREFUeNpjYMAPdsMYHegyJZFQBlsUlMFVCWUYKkAZMxZAGdxlDMQBAG+TBP4B6RyJAAAAAElFTkSuQmCC\\\");\\\n}\\\n.ace_scrollbar {\\\ncontain: strict;\\\nposition: absolute;\\\nright: 0;\\\nbottom: 0;\\\nz-index: 6;\\\n}\\\n.ace_scrollbar-inner {\\\nposition: absolute;\\\ncursor: text;\\\nleft: 0;\\\ntop: 0;\\\n}\\\n.ace_scrollbar-v{\\\noverflow-x: hidden;\\\noverflow-y: scroll;\\\ntop: 0;\\\n}\\\n.ace_scrollbar-h {\\\noverflow-x: scroll;\\\noverflow-y: hidden;\\\nleft: 0;\\\n}\\\n.ace_print-margin {\\\nposition: absolute;\\\nheight: 100%;\\\n}\\\n.ace_text-input {\\\nposition: absolute;\\\nz-index: 0;\\\nwidth: 0.5em;\\\nheight: 1em;\\\nopacity: 0;\\\nbackground: transparent;\\\n-moz-appearance: none;\\\nappearance: none;\\\nborder: none;\\\nresize: none;\\\noutline: none;\\\noverflow: hidden;\\\nfont: inherit;\\\npadding: 0 1px;\\\nmargin: 0 -1px;\\\ncontain: strict;\\\n-ms-user-select: text;\\\n-moz-user-select: text;\\\n-webkit-user-select: text;\\\nuser-select: text;\\\nwhite-space: pre!important;\\\n}\\\n.ace_text-input.ace_composition {\\\nbackground: transparent;\\\ncolor: inherit;\\\nz-index: 1000;\\\nopacity: 1;\\\n}\\\n.ace_composition_placeholder { color: transparent }\\\n.ace_composition_marker { \\\nborder-bottom: 1px solid;\\\nposition: absolute;\\\nborder-radius: 0;\\\nmargin-top: 1px;\\\n}\\\n[ace_nocontext=true] {\\\ntransform: none!important;\\\nfilter: none!important;\\\nclip-path: none!important;\\\nmask : none!important;\\\ncontain: none!important;\\\nperspective: none!important;\\\nmix-blend-mode: initial!important;\\\nz-index: auto;\\\n}\\\n.ace_layer {\\\nz-index: 1;\\\nposition: absolute;\\\noverflow: hidden;\\\nword-wrap: normal;\\\nwhite-space: pre;\\\nheight: 100%;\\\nwidth: 100%;\\\nbox-sizing: border-box;\\\npointer-events: none;\\\n}\\\n.ace_gutter-layer {\\\nposition: relative;\\\nwidth: auto;\\\ntext-align: right;\\\npointer-events: auto;\\\nheight: 1000000px;\\\ncontain: style size layout;\\\n}\\\n.ace_text-layer {\\\nfont: inherit !important;\\\nposition: absolute;\\\nheight: 1000000px;\\\nwidth: 1000000px;\\\ncontain: style size layout;\\\n}\\\n.ace_text-layer > .ace_line, .ace_text-layer > .ace_line_group {\\\ncontain: style size layout;\\\nposition: absolute;\\\ntop: 0;\\\nleft: 0;\\\nright: 0;\\\n}\\\n.ace_hidpi .ace_text-layer,\\\n.ace_hidpi .ace_gutter-layer,\\\n.ace_hidpi .ace_content,\\\n.ace_hidpi .ace_gutter {\\\ncontain: strict;\\\nwill-change: transform;\\\n}\\\n.ace_hidpi .ace_text-layer > .ace_line, \\\n.ace_hidpi .ace_text-layer > .ace_line_group {\\\ncontain: strict;\\\n}\\\n.ace_cjk {\\\ndisplay: inline-block;\\\ntext-align: center;\\\n}\\\n.ace_cursor-layer {\\\nz-index: 4;\\\n}\\\n.ace_cursor {\\\nz-index: 4;\\\nposition: absolute;\\\nbox-sizing: border-box;\\\nborder-left: 2px solid;\\\ntransform: translatez(0);\\\n}\\\n.ace_multiselect .ace_cursor {\\\nborder-left-width: 1px;\\\n}\\\n.ace_slim-cursors .ace_cursor {\\\nborder-left-width: 1px;\\\n}\\\n.ace_overwrite-cursors .ace_cursor {\\\nborder-left-width: 0;\\\nborder-bottom: 1px solid;\\\n}\\\n.ace_hidden-cursors .ace_cursor {\\\nopacity: 0.2;\\\n}\\\n.ace_hasPlaceholder .ace_hidden-cursors .ace_cursor {\\\nopacity: 0;\\\n}\\\n.ace_smooth-blinking .ace_cursor {\\\ntransition: opacity 0.18s;\\\n}\\\n.ace_animate-blinking .ace_cursor {\\\nanimation-duration: 1000ms;\\\nanimation-timing-function: step-end;\\\nanimation-name: blink-ace-animate;\\\nanimation-iteration-count: infinite;\\\n}\\\n.ace_animate-blinking.ace_smooth-blinking .ace_cursor {\\\nanimation-duration: 1000ms;\\\nanimation-timing-function: ease-in-out;\\\nanimation-name: blink-ace-animate-smooth;\\\n}\\\n@keyframes blink-ace-animate {\\\nfrom, to { opacity: 1; }\\\n60% { opacity: 0; }\\\n}\\\n@keyframes blink-ace-animate-smooth {\\\nfrom, to { opacity: 1; }\\\n45% { opacity: 1; }\\\n60% { opacity: 0; }\\\n85% { opacity: 0; }\\\n}\\\n.ace_marker-layer .ace_step, .ace_marker-layer .ace_stack {\\\nposition: absolute;\\\nz-index: 3;\\\n}\\\n.ace_marker-layer .ace_selection {\\\nposition: absolute;\\\nz-index: 5;\\\n}\\\n.ace_marker-layer .ace_bracket {\\\nposition: absolute;\\\nz-index: 6;\\\n}\\\n.ace_marker-layer .ace_error_bracket {\\\nposition: absolute;\\\nborder-bottom: 1px solid #DE5555;\\\nborder-radius: 0;\\\n}\\\n.ace_marker-layer .ace_active-line {\\\nposition: absolute;\\\nz-index: 2;\\\n}\\\n.ace_marker-layer .ace_selected-word {\\\nposition: absolute;\\\nz-index: 4;\\\nbox-sizing: border-box;\\\n}\\\n.ace_line .ace_fold {\\\nbox-sizing: border-box;\\\ndisplay: inline-block;\\\nheight: 11px;\\\nmargin-top: -2px;\\\nvertical-align: middle;\\\nbackground-image:\\\nurl(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\\\"),\\\nurl(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACJJREFUeNpi+P//fxgTAwPDBxDxD078RSX+YeEyDFMCIMAAI3INmXiwf2YAAAAASUVORK5CYII=\\\");\\\nbackground-repeat: no-repeat, repeat-x;\\\nbackground-position: center center, top left;\\\ncolor: transparent;\\\nborder: 1px solid black;\\\nborder-radius: 2px;\\\ncursor: pointer;\\\npointer-events: auto;\\\n}\\\n.ace_dark .ace_fold {\\\n}\\\n.ace_fold:hover{\\\nbackground-image:\\\nurl(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\\\"),\\\nurl(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACBJREFUeNpi+P//fz4TAwPDZxDxD5X4i5fLMEwJgAADAEPVDbjNw87ZAAAAAElFTkSuQmCC\\\");\\\n}\\\n.ace_tooltip {\\\nbackground-color: #FFF;\\\nbackground-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));\\\nborder: 1px solid gray;\\\nborder-radius: 1px;\\\nbox-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);\\\ncolor: black;\\\nmax-width: 100%;\\\npadding: 3px 4px;\\\nposition: fixed;\\\nz-index: 999999;\\\nbox-sizing: border-box;\\\ncursor: default;\\\nwhite-space: pre;\\\nword-wrap: break-word;\\\nline-height: normal;\\\nfont-style: normal;\\\nfont-weight: normal;\\\nletter-spacing: normal;\\\npointer-events: none;\\\n}\\\n.ace_folding-enabled > .ace_gutter-cell {\\\npadding-right: 13px;\\\n}\\\n.ace_fold-widget {\\\nbox-sizing: border-box;\\\nmargin: 0 -12px 0 1px;\\\ndisplay: none;\\\nwidth: 11px;\\\nvertical-align: top;\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42mWKsQ0AMAzC8ixLlrzQjzmBiEjp0A6WwBCSPgKAXoLkqSot7nN3yMwR7pZ32NzpKkVoDBUxKAAAAABJRU5ErkJggg==\\\");\\\nbackground-repeat: no-repeat;\\\nbackground-position: center;\\\nborder-radius: 3px;\\\nborder: 1px solid transparent;\\\ncursor: pointer;\\\n}\\\n.ace_folding-enabled .ace_fold-widget {\\\ndisplay: inline-block;   \\\n}\\\n.ace_fold-widget.ace_end {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42m3HwQkAMAhD0YzsRchFKI7sAikeWkrxwScEB0nh5e7KTPWimZki4tYfVbX+MNl4pyZXejUO1QAAAABJRU5ErkJggg==\\\");\\\n}\\\n.ace_fold-widget.ace_closed {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAGCAYAAAAG5SQMAAAAOUlEQVR42jXKwQkAMAgDwKwqKD4EwQ26sSOkVWjgIIHAzPiCgaqiqnJHZnKICBERHN194O5b9vbLuAVRL+l0YWnZAAAAAElFTkSuQmCCXA==\\\");\\\n}\\\n.ace_fold-widget:hover {\\\nborder: 1px solid rgba(0, 0, 0, 0.3);\\\nbackground-color: rgba(255, 255, 255, 0.2);\\\nbox-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\\\n}\\\n.ace_fold-widget:active {\\\nborder: 1px solid rgba(0, 0, 0, 0.4);\\\nbackground-color: rgba(0, 0, 0, 0.05);\\\nbox-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\\\n}\\\n.ace_dark .ace_fold-widget {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHklEQVQIW2P4//8/AzoGEQ7oGCaLLAhWiSwB146BAQCSTPYocqT0AAAAAElFTkSuQmCC\\\");\\\n}\\\n.ace_dark .ace_fold-widget.ace_end {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAH0lEQVQIW2P4//8/AxQ7wNjIAjDMgC4AxjCVKBirIAAF0kz2rlhxpAAAAABJRU5ErkJggg==\\\");\\\n}\\\n.ace_dark .ace_fold-widget.ace_closed {\\\nbackground-image: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAFCAYAAACAcVaiAAAAHElEQVQIW2P4//+/AxAzgDADlOOAznHAKgPWAwARji8UIDTfQQAAAABJRU5ErkJggg==\\\");\\\n}\\\n.ace_dark .ace_fold-widget:hover {\\\nbox-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\\\nbackground-color: rgba(255, 255, 255, 0.1);\\\n}\\\n.ace_dark .ace_fold-widget:active {\\\nbox-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\\\n}\\\n.ace_inline_button {\\\nborder: 1px solid lightgray;\\\ndisplay: inline-block;\\\nmargin: -1px 8px;\\\npadding: 0 5px;\\\npointer-events: auto;\\\ncursor: pointer;\\\n}\\\n.ace_inline_button:hover {\\\nborder-color: gray;\\\nbackground: rgba(200,200,200,0.2);\\\ndisplay: inline-block;\\\npointer-events: auto;\\\n}\\\n.ace_fold-widget.ace_invalid {\\\nbackground-color: #FFB4B4;\\\nborder-color: #DE5555;\\\n}\\\n.ace_fade-fold-widgets .ace_fold-widget {\\\ntransition: opacity 0.4s ease 0.05s;\\\nopacity: 0;\\\n}\\\n.ace_fade-fold-widgets:hover .ace_fold-widget {\\\ntransition: opacity 0.05s ease 0.05s;\\\nopacity:1;\\\n}\\\n.ace_underline {\\\ntext-decoration: underline;\\\n}\\\n.ace_bold {\\\nfont-weight: bold;\\\n}\\\n.ace_nobold .ace_bold {\\\nfont-weight: normal;\\\n}\\\n.ace_italic {\\\nfont-style: italic;\\\n}\\\n.ace_error-marker {\\\nbackground-color: rgba(255, 0, 0,0.2);\\\nposition: absolute;\\\nz-index: 9;\\\n}\\\n.ace_highlight-marker {\\\nbackground-color: rgba(255, 255, 0,0.2);\\\nposition: absolute;\\\nz-index: 8;\\\n}\\\n.ace_mobile-menu {\\\nposition: absolute;\\\nline-height: 1.5;\\\nborder-radius: 4px;\\\n-ms-user-select: none;\\\n-moz-user-select: none;\\\n-webkit-user-select: none;\\\nuser-select: none;\\\nbackground: white;\\\nbox-shadow: 1px 3px 2px grey;\\\nborder: 1px solid #dcdcdc;\\\ncolor: black;\\\n}\\\n.ace_dark > .ace_mobile-menu {\\\nbackground: #333;\\\ncolor: #ccc;\\\nbox-shadow: 1px 3px 2px grey;\\\nborder: 1px solid #444;\\\n}\\\n.ace_mobile-button {\\\npadding: 2px;\\\ncursor: pointer;\\\noverflow: hidden;\\\n}\\\n.ace_mobile-button:hover {\\\nbackground-color: #eee;\\\nopacity:1;\\\n}\\\n.ace_mobile-button:active {\\\nbackground-color: #ddd;\\\n}\\\n.ace_placeholder {\\\nfont-family: arial;\\\ntransform: scale(0.9);\\\ntransform-origin: left;\\\nwhite-space: pre;\\\nopacity: 0.7;\\\nmargin: 0 10px;\\\n}\";\n\nvar useragent = require(\"./lib/useragent\");\nvar HIDE_TEXTAREA = useragent.isIE;\n\ndom.importCssString(editorCss, \"ace_editor.css\");\n\nvar VirtualRenderer = function(container, theme) {\n    var _self = this;\n\n    this.container = container || dom.createElement(\"div\");\n\n    dom.addCssClass(this.container, \"ace_editor\");\n    if (dom.HI_DPI) dom.addCssClass(this.container, \"ace_hidpi\");\n\n    this.setTheme(theme);\n\n    this.$gutter = dom.createElement(\"div\");\n    this.$gutter.className = \"ace_gutter\";\n    this.container.appendChild(this.$gutter);\n    this.$gutter.setAttribute(\"aria-hidden\", true);\n\n    this.scroller = dom.createElement(\"div\");\n    this.scroller.className = \"ace_scroller\";\n    \n    this.container.appendChild(this.scroller);\n\n    this.content = dom.createElement(\"div\");\n    this.content.className = \"ace_content\";\n    this.scroller.appendChild(this.content);\n\n    this.$gutterLayer = new GutterLayer(this.$gutter);\n    this.$gutterLayer.on(\"changeGutterWidth\", this.onGutterResize.bind(this));\n\n    this.$markerBack = new MarkerLayer(this.content);\n\n    var textLayer = this.$textLayer = new TextLayer(this.content);\n    this.canvas = textLayer.element;\n\n    this.$markerFront = new MarkerLayer(this.content);\n\n    this.$cursorLayer = new CursorLayer(this.content);\n    this.$horizScroll = false;\n    this.$vScroll = false;\n\n    this.scrollBar = \n    this.scrollBarV = new VScrollBar(this.container, this);\n    this.scrollBarH = new HScrollBar(this.container, this);\n    this.scrollBarV.on(\"scroll\", function(e) {\n        if (!_self.$scrollAnimation)\n            _self.session.setScrollTop(e.data - _self.scrollMargin.top);\n    });\n    this.scrollBarH.on(\"scroll\", function(e) {\n        if (!_self.$scrollAnimation)\n            _self.session.setScrollLeft(e.data - _self.scrollMargin.left);\n    });\n\n    this.scrollTop = 0;\n    this.scrollLeft = 0;\n\n    this.cursorPos = {\n        row : 0,\n        column : 0\n    };\n\n    this.$fontMetrics = new FontMetrics(this.container);\n    this.$textLayer.$setFontMetrics(this.$fontMetrics);\n    this.$textLayer.on(\"changeCharacterSize\", function(e) {\n        _self.updateCharacterSize();\n        _self.onResize(true, _self.gutterWidth, _self.$size.width, _self.$size.height);\n        _self._signal(\"changeCharacterSize\", e);\n    });\n\n    this.$size = {\n        width: 0,\n        height: 0,\n        scrollerHeight: 0,\n        scrollerWidth: 0,\n        $dirty: true\n    };\n\n    this.layerConfig = {\n        width : 1,\n        padding : 0,\n        firstRow : 0,\n        firstRowScreen: 0,\n        lastRow : 0,\n        lineHeight : 0,\n        characterWidth : 0,\n        minHeight : 1,\n        maxHeight : 1,\n        offset : 0,\n        height : 1,\n        gutterOffset: 1\n    };\n    \n    this.scrollMargin = {\n        left: 0,\n        right: 0,\n        top: 0,\n        bottom: 0,\n        v: 0,\n        h: 0\n    };\n    \n    this.margin = {\n        left: 0,\n        right: 0,\n        top: 0,\n        bottom: 0,\n        v: 0,\n        h: 0\n    };\n    \n    this.$keepTextAreaAtCursor = !useragent.isIOS;\n\n    this.$loop = new RenderLoop(\n        this.$renderChanges.bind(this),\n        this.container.ownerDocument.defaultView\n    );\n    this.$loop.schedule(this.CHANGE_FULL);\n\n    this.updateCharacterSize();\n    this.setPadding(4);\n    config.resetOptions(this);\n    config._signal(\"renderer\", this);\n};\n\n(function() {\n\n    this.CHANGE_CURSOR = 1;\n    this.CHANGE_MARKER = 2;\n    this.CHANGE_GUTTER = 4;\n    this.CHANGE_SCROLL = 8;\n    this.CHANGE_LINES = 16;\n    this.CHANGE_TEXT = 32;\n    this.CHANGE_SIZE = 64;\n    this.CHANGE_MARKER_BACK = 128;\n    this.CHANGE_MARKER_FRONT = 256;\n    this.CHANGE_FULL = 512;\n    this.CHANGE_H_SCROLL = 1024;\n\n    oop.implement(this, EventEmitter);\n\n    this.updateCharacterSize = function() {\n        if (this.$textLayer.allowBoldFonts != this.$allowBoldFonts) {\n            this.$allowBoldFonts = this.$textLayer.allowBoldFonts;\n            this.setStyle(\"ace_nobold\", !this.$allowBoldFonts);\n        }\n\n        this.layerConfig.characterWidth =\n        this.characterWidth = this.$textLayer.getCharacterWidth();\n        this.layerConfig.lineHeight =\n        this.lineHeight = this.$textLayer.getLineHeight();\n        this.$updatePrintMargin();\n        dom.setStyle(this.scroller.style, \"line-height\", this.lineHeight + \"px\");\n    };\n    this.setSession = function(session) {\n        if (this.session)\n            this.session.doc.off(\"changeNewLineMode\", this.onChangeNewLineMode);\n            \n        this.session = session;\n        if (session && this.scrollMargin.top && session.getScrollTop() <= 0)\n            session.setScrollTop(-this.scrollMargin.top);\n\n        this.$cursorLayer.setSession(session);\n        this.$markerBack.setSession(session);\n        this.$markerFront.setSession(session);\n        this.$gutterLayer.setSession(session);\n        this.$textLayer.setSession(session);\n        if (!session)\n            return;\n        \n        this.$loop.schedule(this.CHANGE_FULL);\n        this.session.$setFontMetrics(this.$fontMetrics);\n        this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;\n        \n        this.onChangeNewLineMode = this.onChangeNewLineMode.bind(this);\n        this.onChangeNewLineMode();\n        this.session.doc.on(\"changeNewLineMode\", this.onChangeNewLineMode);\n    };\n    this.updateLines = function(firstRow, lastRow, force) {\n        if (lastRow === undefined)\n            lastRow = Infinity;\n\n        if (!this.$changedLines) {\n            this.$changedLines = {\n                firstRow: firstRow,\n                lastRow: lastRow\n            };\n        }\n        else {\n            if (this.$changedLines.firstRow > firstRow)\n                this.$changedLines.firstRow = firstRow;\n\n            if (this.$changedLines.lastRow < lastRow)\n                this.$changedLines.lastRow = lastRow;\n        }\n        if (this.$changedLines.lastRow < this.layerConfig.firstRow) {\n            if (force)\n                this.$changedLines.lastRow = this.layerConfig.lastRow;\n            else\n                return;\n        }\n        if (this.$changedLines.firstRow > this.layerConfig.lastRow)\n            return;\n        this.$loop.schedule(this.CHANGE_LINES);\n    };\n\n    this.onChangeNewLineMode = function() {\n        this.$loop.schedule(this.CHANGE_TEXT);\n        this.$textLayer.$updateEolChar();\n        this.session.$bidiHandler.setEolChar(this.$textLayer.EOL_CHAR);\n    };\n    \n    this.onChangeTabSize = function() {\n        this.$loop.schedule(this.CHANGE_TEXT | this.CHANGE_MARKER);\n        this.$textLayer.onChangeTabSize();\n    };\n    this.updateText = function() {\n        this.$loop.schedule(this.CHANGE_TEXT);\n    };\n    this.updateFull = function(force) {\n        if (force)\n            this.$renderChanges(this.CHANGE_FULL, true);\n        else\n            this.$loop.schedule(this.CHANGE_FULL);\n    };\n    this.updateFontSize = function() {\n        this.$textLayer.checkForSizeChanges();\n    };\n\n    this.$changes = 0;\n    this.$updateSizeAsync = function() {\n        if (this.$loop.pending)\n            this.$size.$dirty = true;\n        else\n            this.onResize();\n    };\n    this.onResize = function(force, gutterWidth, width, height) {\n        if (this.resizing > 2)\n            return;\n        else if (this.resizing > 0)\n            this.resizing++;\n        else\n            this.resizing = force ? 1 : 0;\n        var el = this.container;\n        if (!height)\n            height = el.clientHeight || el.scrollHeight;\n        if (!width)\n            width = el.clientWidth || el.scrollWidth;\n        var changes = this.$updateCachedSize(force, gutterWidth, width, height);\n\n        \n        if (!this.$size.scrollerHeight || (!width && !height))\n            return this.resizing = 0;\n\n        if (force)\n            this.$gutterLayer.$padding = null;\n\n        if (force)\n            this.$renderChanges(changes | this.$changes, true);\n        else\n            this.$loop.schedule(changes | this.$changes);\n\n        if (this.resizing)\n            this.resizing = 0;\n        this.scrollBarV.scrollLeft = this.scrollBarV.scrollTop = null;\n    };\n    \n    this.$updateCachedSize = function(force, gutterWidth, width, height) {\n        height -= (this.$extraHeight || 0);\n        var changes = 0;\n        var size = this.$size;\n        var oldSize = {\n            width: size.width,\n            height: size.height,\n            scrollerHeight: size.scrollerHeight,\n            scrollerWidth: size.scrollerWidth\n        };\n        if (height && (force || size.height != height)) {\n            size.height = height;\n            changes |= this.CHANGE_SIZE;\n\n            size.scrollerHeight = size.height;\n            if (this.$horizScroll)\n                size.scrollerHeight -= this.scrollBarH.getHeight();\n            this.scrollBarV.element.style.bottom = this.scrollBarH.getHeight() + \"px\";\n\n            changes = changes | this.CHANGE_SCROLL;\n        }\n\n        if (width && (force || size.width != width)) {\n            changes |= this.CHANGE_SIZE;\n            size.width = width;\n            \n            if (gutterWidth == null)\n                gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;\n            \n            this.gutterWidth = gutterWidth;\n            \n            dom.setStyle(this.scrollBarH.element.style, \"left\", gutterWidth + \"px\");\n            dom.setStyle(this.scroller.style, \"left\", gutterWidth + this.margin.left + \"px\");\n            size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth() - this.margin.h);\n            dom.setStyle(this.$gutter.style, \"left\", this.margin.left + \"px\");\n            \n            var right = this.scrollBarV.getWidth() + \"px\";\n            dom.setStyle(this.scrollBarH.element.style, \"right\", right);\n            dom.setStyle(this.scroller.style, \"right\", right);\n            dom.setStyle(this.scroller.style, \"bottom\", this.scrollBarH.getHeight());\n\n            if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force) {\n                changes |= this.CHANGE_FULL;\n            }\n        }\n        \n        size.$dirty = !width || !height;\n\n        if (changes)\n            this._signal(\"resize\", oldSize);\n\n        return changes;\n    };\n\n    this.onGutterResize = function(width) {\n        var gutterWidth = this.$showGutter ? width : 0;\n        if (gutterWidth != this.gutterWidth)\n            this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);\n\n        if (this.session.getUseWrapMode() && this.adjustWrapLimit()) {\n            this.$loop.schedule(this.CHANGE_FULL);\n        } else if (this.$size.$dirty) {\n            this.$loop.schedule(this.CHANGE_FULL);\n        } else {\n            this.$computeLayerConfig();\n        }\n    };\n    this.adjustWrapLimit = function() {\n        var availableWidth = this.$size.scrollerWidth - this.$padding * 2;\n        var limit = Math.floor(availableWidth / this.characterWidth);\n        return this.session.adjustWrapLimit(limit, this.$showPrintMargin && this.$printMarginColumn);\n    };\n    this.setAnimatedScroll = function(shouldAnimate){\n        this.setOption(\"animatedScroll\", shouldAnimate);\n    };\n    this.getAnimatedScroll = function() {\n        return this.$animatedScroll;\n    };\n    this.setShowInvisibles = function(showInvisibles) {\n        this.setOption(\"showInvisibles\", showInvisibles);\n        this.session.$bidiHandler.setShowInvisibles(showInvisibles);\n    };\n    this.getShowInvisibles = function() {\n        return this.getOption(\"showInvisibles\");\n    };\n    this.getDisplayIndentGuides = function() {\n        return this.getOption(\"displayIndentGuides\");\n    };\n\n    this.setDisplayIndentGuides = function(display) {\n        this.setOption(\"displayIndentGuides\", display);\n    };\n    this.setShowPrintMargin = function(showPrintMargin) {\n        this.setOption(\"showPrintMargin\", showPrintMargin);\n    };\n    this.getShowPrintMargin = function() {\n        return this.getOption(\"showPrintMargin\");\n    };\n    this.setPrintMarginColumn = function(showPrintMargin) {\n        this.setOption(\"printMarginColumn\", showPrintMargin);\n    };\n    this.getPrintMarginColumn = function() {\n        return this.getOption(\"printMarginColumn\");\n    };\n    this.getShowGutter = function(){\n        return this.getOption(\"showGutter\");\n    };\n    this.setShowGutter = function(show){\n        return this.setOption(\"showGutter\", show);\n    };\n\n    this.getFadeFoldWidgets = function(){\n        return this.getOption(\"fadeFoldWidgets\");\n    };\n\n    this.setFadeFoldWidgets = function(show) {\n        this.setOption(\"fadeFoldWidgets\", show);\n    };\n\n    this.setHighlightGutterLine = function(shouldHighlight) {\n        this.setOption(\"highlightGutterLine\", shouldHighlight);\n    };\n\n    this.getHighlightGutterLine = function() {\n        return this.getOption(\"highlightGutterLine\");\n    };\n\n    this.$updatePrintMargin = function() {\n        if (!this.$showPrintMargin && !this.$printMarginEl)\n            return;\n\n        if (!this.$printMarginEl) {\n            var containerEl = dom.createElement(\"div\");\n            containerEl.className = \"ace_layer ace_print-margin-layer\";\n            this.$printMarginEl = dom.createElement(\"div\");\n            this.$printMarginEl.className = \"ace_print-margin\";\n            containerEl.appendChild(this.$printMarginEl);\n            this.content.insertBefore(containerEl, this.content.firstChild);\n        }\n\n        var style = this.$printMarginEl.style;\n        style.left = Math.round(this.characterWidth * this.$printMarginColumn + this.$padding) + \"px\";\n        style.visibility = this.$showPrintMargin ? \"visible\" : \"hidden\";\n        \n        if (this.session && this.session.$wrap == -1)\n            this.adjustWrapLimit();\n    };\n    this.getContainerElement = function() {\n        return this.container;\n    };\n    this.getMouseEventTarget = function() {\n        return this.scroller;\n    };\n    this.getTextAreaContainer = function() {\n        return this.container;\n    };\n    this.$moveTextAreaToCursor = function() {\n        if (this.$isMousePressed) return;\n        var style = this.textarea.style;\n        var composition = this.$composition;\n        if (!this.$keepTextAreaAtCursor && !composition) {\n            dom.translate(this.textarea, -100, 0);\n            return;\n        }\n        var pixelPos = this.$cursorLayer.$pixelPos;\n        if (!pixelPos)\n            return;\n        if (composition && composition.markerRange)\n            pixelPos = this.$cursorLayer.getPixelPosition(composition.markerRange.start, true);\n        \n        var config = this.layerConfig;\n        var posTop = pixelPos.top;\n        var posLeft = pixelPos.left;\n        posTop -= config.offset;\n\n        var h = composition && composition.useTextareaForIME ? this.lineHeight : HIDE_TEXTAREA ? 0 : 1;\n        if (posTop < 0 || posTop > config.height - h) {\n            dom.translate(this.textarea, 0, 0);\n            return;\n        }\n\n        var w = 1;\n        var maxTop = this.$size.height - h;\n        if (!composition) {\n            posTop += this.lineHeight;\n        }\n        else {\n            if (composition.useTextareaForIME) {\n                var val = this.textarea.value;\n                w = this.characterWidth * (this.session.$getStringScreenWidth(val)[0]);\n            }\n            else {\n                posTop += this.lineHeight + 2;\n            }\n        }\n        \n        posLeft -= this.scrollLeft;\n        if (posLeft > this.$size.scrollerWidth - w)\n            posLeft = this.$size.scrollerWidth - w;\n\n        posLeft += this.gutterWidth + this.margin.left;\n\n        dom.setStyle(style, \"height\", h + \"px\");\n        dom.setStyle(style, \"width\", w + \"px\");\n        dom.translate(this.textarea, Math.min(posLeft, this.$size.scrollerWidth - w), Math.min(posTop, maxTop));\n    };\n    this.getFirstVisibleRow = function() {\n        return this.layerConfig.firstRow;\n    };\n    this.getFirstFullyVisibleRow = function() {\n        return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);\n    };\n    this.getLastFullyVisibleRow = function() {\n        var config = this.layerConfig;\n        var lastRow = config.lastRow;\n        var top = this.session.documentToScreenRow(lastRow, 0) * config.lineHeight;\n        if (top - this.session.getScrollTop() > config.height - config.lineHeight)\n            return lastRow - 1;\n        return lastRow;\n    };\n    this.getLastVisibleRow = function() {\n        return this.layerConfig.lastRow;\n    };\n\n    this.$padding = null;\n    this.setPadding = function(padding) {\n        this.$padding = padding;\n        this.$textLayer.setPadding(padding);\n        this.$cursorLayer.setPadding(padding);\n        this.$markerFront.setPadding(padding);\n        this.$markerBack.setPadding(padding);\n        this.$loop.schedule(this.CHANGE_FULL);\n        this.$updatePrintMargin();\n    };\n    \n    this.setScrollMargin = function(top, bottom, left, right) {\n        var sm = this.scrollMargin;\n        sm.top = top|0;\n        sm.bottom = bottom|0;\n        sm.right = right|0;\n        sm.left = left|0;\n        sm.v = sm.top + sm.bottom;\n        sm.h = sm.left + sm.right;\n        if (sm.top && this.scrollTop <= 0 && this.session)\n            this.session.setScrollTop(-sm.top);\n        this.updateFull();\n    };\n    \n    this.setMargin = function(top, bottom, left, right) {\n        var sm = this.margin;\n        sm.top = top|0;\n        sm.bottom = bottom|0;\n        sm.right = right|0;\n        sm.left = left|0;\n        sm.v = sm.top + sm.bottom;\n        sm.h = sm.left + sm.right;\n        this.$updateCachedSize(true, this.gutterWidth, this.$size.width, this.$size.height);\n        this.updateFull();\n    };\n    this.getHScrollBarAlwaysVisible = function() {\n        return this.$hScrollBarAlwaysVisible;\n    };\n    this.setHScrollBarAlwaysVisible = function(alwaysVisible) {\n        this.setOption(\"hScrollBarAlwaysVisible\", alwaysVisible);\n    };\n    this.getVScrollBarAlwaysVisible = function() {\n        return this.$vScrollBarAlwaysVisible;\n    };\n    this.setVScrollBarAlwaysVisible = function(alwaysVisible) {\n        this.setOption(\"vScrollBarAlwaysVisible\", alwaysVisible);\n    };\n\n    this.$updateScrollBarV = function() {\n        var scrollHeight = this.layerConfig.maxHeight;\n        var scrollerHeight = this.$size.scrollerHeight;\n        if (!this.$maxLines && this.$scrollPastEnd) {\n            scrollHeight -= (scrollerHeight - this.lineHeight) * this.$scrollPastEnd;\n            if (this.scrollTop > scrollHeight - scrollerHeight) {\n                scrollHeight = this.scrollTop + scrollerHeight;\n                this.scrollBarV.scrollTop = null;\n            }\n        }\n        this.scrollBarV.setScrollHeight(scrollHeight + this.scrollMargin.v);\n        this.scrollBarV.setScrollTop(this.scrollTop + this.scrollMargin.top);\n    };\n    this.$updateScrollBarH = function() {\n        this.scrollBarH.setScrollWidth(this.layerConfig.width + 2 * this.$padding + this.scrollMargin.h);\n        this.scrollBarH.setScrollLeft(this.scrollLeft + this.scrollMargin.left);\n    };\n    \n    this.$frozen = false;\n    this.freeze = function() {\n        this.$frozen = true;\n    };\n    \n    this.unfreeze = function() {\n        this.$frozen = false;\n    };\n\n    this.$renderChanges = function(changes, force) {\n        if (this.$changes) {\n            changes |= this.$changes;\n            this.$changes = 0;\n        }\n        if ((!this.session || !this.container.offsetWidth || this.$frozen) || (!changes && !force)) {\n            this.$changes |= changes;\n            return; \n        } \n        if (this.$size.$dirty) {\n            this.$changes |= changes;\n            return this.onResize(true);\n        }\n        if (!this.lineHeight) {\n            this.$textLayer.checkForSizeChanges();\n        }\n        \n        this._signal(\"beforeRender\", changes);\n        \n        if (this.session && this.session.$bidiHandler)\n            this.session.$bidiHandler.updateCharacterWidths(this.$fontMetrics);\n\n        var config = this.layerConfig;\n        if (changes & this.CHANGE_FULL ||\n            changes & this.CHANGE_SIZE ||\n            changes & this.CHANGE_TEXT ||\n            changes & this.CHANGE_LINES ||\n            changes & this.CHANGE_SCROLL ||\n            changes & this.CHANGE_H_SCROLL\n        ) {\n            changes |= this.$computeLayerConfig() | this.$loop.clear();\n            if (config.firstRow != this.layerConfig.firstRow && config.firstRowScreen == this.layerConfig.firstRowScreen) {\n                var st = this.scrollTop + (config.firstRow - this.layerConfig.firstRow) * this.lineHeight;\n                if (st > 0) {\n                    this.scrollTop = st;\n                    changes = changes | this.CHANGE_SCROLL;\n                    changes |= this.$computeLayerConfig() | this.$loop.clear();\n                }\n            }\n            config = this.layerConfig;\n            this.$updateScrollBarV();\n            if (changes & this.CHANGE_H_SCROLL)\n                this.$updateScrollBarH();\n            \n            dom.translate(this.content, -this.scrollLeft, -config.offset);\n            \n            var width = config.width + 2 * this.$padding + \"px\";\n            var height = config.minHeight + \"px\";\n            \n            dom.setStyle(this.content.style, \"width\", width);\n            dom.setStyle(this.content.style, \"height\", height);\n        }\n        if (changes & this.CHANGE_H_SCROLL) {\n            dom.translate(this.content, -this.scrollLeft, -config.offset);\n            this.scroller.className = this.scrollLeft <= 0 ? \"ace_scroller\" : \"ace_scroller ace_scroll-left\";\n        }\n        if (changes & this.CHANGE_FULL) {\n            this.$changedLines = null;\n            this.$textLayer.update(config);\n            if (this.$showGutter)\n                this.$gutterLayer.update(config);\n            this.$markerBack.update(config);\n            this.$markerFront.update(config);\n            this.$cursorLayer.update(config);\n            this.$moveTextAreaToCursor();\n            this._signal(\"afterRender\", changes);\n            return;\n        }\n        if (changes & this.CHANGE_SCROLL) {\n            this.$changedLines = null;\n            if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)\n                this.$textLayer.update(config);\n            else\n                this.$textLayer.scrollLines(config);\n\n            if (this.$showGutter) {\n                if (changes & this.CHANGE_GUTTER || changes & this.CHANGE_LINES)\n                    this.$gutterLayer.update(config);\n                else\n                    this.$gutterLayer.scrollLines(config);\n            }\n            this.$markerBack.update(config);\n            this.$markerFront.update(config);\n            this.$cursorLayer.update(config);\n            this.$moveTextAreaToCursor();\n            this._signal(\"afterRender\", changes);\n            return;\n        }\n\n        if (changes & this.CHANGE_TEXT) {\n            this.$changedLines = null;\n            this.$textLayer.update(config);\n            if (this.$showGutter)\n                this.$gutterLayer.update(config);\n        }\n        else if (changes & this.CHANGE_LINES) {\n            if (this.$updateLines() || (changes & this.CHANGE_GUTTER) && this.$showGutter)\n                this.$gutterLayer.update(config);\n        }\n        else if (changes & this.CHANGE_TEXT || changes & this.CHANGE_GUTTER) {\n            if (this.$showGutter)\n                this.$gutterLayer.update(config);\n        }\n        else if (changes & this.CHANGE_CURSOR) {\n            if (this.$highlightGutterLine)\n                this.$gutterLayer.updateLineHighlight(config);\n        }\n\n        if (changes & this.CHANGE_CURSOR) {\n            this.$cursorLayer.update(config);\n            this.$moveTextAreaToCursor();\n        }\n\n        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {\n            this.$markerFront.update(config);\n        }\n\n        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {\n            this.$markerBack.update(config);\n        }\n\n        this._signal(\"afterRender\", changes);\n    };\n\n    \n    this.$autosize = function() {\n        var height = this.session.getScreenLength() * this.lineHeight;\n        var maxHeight = this.$maxLines * this.lineHeight;\n        var desiredHeight = Math.min(maxHeight, \n            Math.max((this.$minLines || 1) * this.lineHeight, height)\n        ) + this.scrollMargin.v + (this.$extraHeight || 0);\n        if (this.$horizScroll)\n            desiredHeight += this.scrollBarH.getHeight();\n        if (this.$maxPixelHeight && desiredHeight > this.$maxPixelHeight)\n            desiredHeight = this.$maxPixelHeight;\n        \n        var hideScrollbars = desiredHeight <= 2 * this.lineHeight;\n        var vScroll = !hideScrollbars && height > maxHeight;\n        \n        if (desiredHeight != this.desiredHeight ||\n            this.$size.height != this.desiredHeight || vScroll != this.$vScroll) {\n            if (vScroll != this.$vScroll) {\n                this.$vScroll = vScroll;\n                this.scrollBarV.setVisible(vScroll);\n            }\n            \n            var w = this.container.clientWidth;\n            this.container.style.height = desiredHeight + \"px\";\n            this.$updateCachedSize(true, this.$gutterWidth, w, desiredHeight);\n            this.desiredHeight = desiredHeight;\n            \n            this._signal(\"autosize\");\n        }\n    };\n    \n    this.$computeLayerConfig = function() {\n        var session = this.session;\n        var size = this.$size;\n        \n        var hideScrollbars = size.height <= 2 * this.lineHeight;\n        var screenLines = this.session.getScreenLength();\n        var maxHeight = screenLines * this.lineHeight;\n\n        var longestLine = this.$getLongestLine();\n        \n        var horizScroll = !hideScrollbars && (this.$hScrollBarAlwaysVisible ||\n            size.scrollerWidth - longestLine - 2 * this.$padding < 0);\n\n        var hScrollChanged = this.$horizScroll !== horizScroll;\n        if (hScrollChanged) {\n            this.$horizScroll = horizScroll;\n            this.scrollBarH.setVisible(horizScroll);\n        }\n        var vScrollBefore = this.$vScroll; // autosize can change vscroll value in which case we need to update longestLine\n        if (this.$maxLines && this.lineHeight > 1)\n            this.$autosize();\n\n        var minHeight = size.scrollerHeight + this.lineHeight;\n        \n        var scrollPastEnd = !this.$maxLines && this.$scrollPastEnd\n            ? (size.scrollerHeight - this.lineHeight) * this.$scrollPastEnd\n            : 0;\n        maxHeight += scrollPastEnd;\n        \n        var sm = this.scrollMargin;\n        this.session.setScrollTop(Math.max(-sm.top,\n            Math.min(this.scrollTop, maxHeight - size.scrollerHeight + sm.bottom)));\n\n        this.session.setScrollLeft(Math.max(-sm.left, Math.min(this.scrollLeft, \n            longestLine + 2 * this.$padding - size.scrollerWidth + sm.right)));\n        \n        var vScroll = !hideScrollbars && (this.$vScrollBarAlwaysVisible ||\n            size.scrollerHeight - maxHeight + scrollPastEnd < 0 || this.scrollTop > sm.top);\n        var vScrollChanged = vScrollBefore !== vScroll;\n        if (vScrollChanged) {\n            this.$vScroll = vScroll;\n            this.scrollBarV.setVisible(vScroll);\n        }\n\n        var offset = this.scrollTop % this.lineHeight;\n        var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;\n        var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));\n        var lastRow = firstRow + lineCount;\n        var firstRowScreen, firstRowHeight;\n        var lineHeight = this.lineHeight;\n        firstRow = session.screenToDocumentRow(firstRow, 0);\n        var foldLine = session.getFoldLine(firstRow);\n        if (foldLine) {\n            firstRow = foldLine.start.row;\n        }\n\n        firstRowScreen = session.documentToScreenRow(firstRow, 0);\n        firstRowHeight = session.getRowLength(firstRow) * lineHeight;\n\n        lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);\n        minHeight = size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +\n                                                firstRowHeight;\n\n        offset = this.scrollTop - firstRowScreen * lineHeight;\n\n        var changes = 0;\n        if (this.layerConfig.width != longestLine || hScrollChanged) \n            changes = this.CHANGE_H_SCROLL;\n        if (hScrollChanged || vScrollChanged) {\n            changes |= this.$updateCachedSize(true, this.gutterWidth, size.width, size.height);\n            this._signal(\"scrollbarVisibilityChanged\");\n            if (vScrollChanged)\n                longestLine = this.$getLongestLine();\n        }\n        \n        this.layerConfig = {\n            width : longestLine,\n            padding : this.$padding,\n            firstRow : firstRow,\n            firstRowScreen: firstRowScreen,\n            lastRow : lastRow,\n            lineHeight : lineHeight,\n            characterWidth : this.characterWidth,\n            minHeight : minHeight,\n            maxHeight : maxHeight,\n            offset : offset,\n            gutterOffset : lineHeight ? Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)) : 0,\n            height : this.$size.scrollerHeight\n        };\n\n        if (this.session.$bidiHandler)\n            this.session.$bidiHandler.setContentWidth(longestLine - this.$padding);\n\n        return changes;\n    };\n\n    this.$updateLines = function() {\n        if (!this.$changedLines) return;\n        var firstRow = this.$changedLines.firstRow;\n        var lastRow = this.$changedLines.lastRow;\n        this.$changedLines = null;\n\n        var layerConfig = this.layerConfig;\n\n        if (firstRow > layerConfig.lastRow + 1) { return; }\n        if (lastRow < layerConfig.firstRow) { return; }\n        if (lastRow === Infinity) {\n            if (this.$showGutter)\n                this.$gutterLayer.update(layerConfig);\n            this.$textLayer.update(layerConfig);\n            return;\n        }\n        this.$textLayer.updateLines(layerConfig, firstRow, lastRow);\n        return true;\n    };\n\n    this.$getLongestLine = function() {\n        var charCount = this.session.getScreenWidth();\n        if (this.showInvisibles && !this.session.$useWrapMode)\n            charCount += 1;\n            \n        if (this.$textLayer && charCount > this.$textLayer.MAX_LINE_LENGTH)\n            charCount = this.$textLayer.MAX_LINE_LENGTH + 30;\n\n        return Math.max(this.$size.scrollerWidth - 2 * this.$padding, Math.round(charCount * this.characterWidth));\n    };\n    this.updateFrontMarkers = function() {\n        this.$markerFront.setMarkers(this.session.getMarkers(true));\n        this.$loop.schedule(this.CHANGE_MARKER_FRONT);\n    };\n    this.updateBackMarkers = function() {\n        this.$markerBack.setMarkers(this.session.getMarkers());\n        this.$loop.schedule(this.CHANGE_MARKER_BACK);\n    };\n    this.addGutterDecoration = function(row, className){\n        this.$gutterLayer.addGutterDecoration(row, className);\n    };\n    this.removeGutterDecoration = function(row, className){\n        this.$gutterLayer.removeGutterDecoration(row, className);\n    };\n    this.updateBreakpoints = function(rows) {\n        this.$loop.schedule(this.CHANGE_GUTTER);\n    };\n    this.setAnnotations = function(annotations) {\n        this.$gutterLayer.setAnnotations(annotations);\n        this.$loop.schedule(this.CHANGE_GUTTER);\n    };\n    this.updateCursor = function() {\n        this.$loop.schedule(this.CHANGE_CURSOR);\n    };\n    this.hideCursor = function() {\n        this.$cursorLayer.hideCursor();\n    };\n    this.showCursor = function() {\n        this.$cursorLayer.showCursor();\n    };\n\n    this.scrollSelectionIntoView = function(anchor, lead, offset) {\n        this.scrollCursorIntoView(anchor, offset);\n        this.scrollCursorIntoView(lead, offset);\n    };\n    this.scrollCursorIntoView = function(cursor, offset, $viewMargin) {\n        if (this.$size.scrollerHeight === 0)\n            return;\n\n        var pos = this.$cursorLayer.getPixelPosition(cursor);\n\n        var left = pos.left;\n        var top = pos.top;\n        \n        var topMargin = $viewMargin && $viewMargin.top || 0;\n        var bottomMargin = $viewMargin && $viewMargin.bottom || 0;\n        \n        var scrollTop = this.$scrollAnimation ? this.session.getScrollTop() : this.scrollTop;\n        \n        if (scrollTop + topMargin > top) {\n            if (offset && scrollTop + topMargin > top + this.lineHeight)\n                top -= offset * this.$size.scrollerHeight;\n            if (top === 0)\n                top = -this.scrollMargin.top;\n            this.session.setScrollTop(top);\n        } else if (scrollTop + this.$size.scrollerHeight - bottomMargin < top + this.lineHeight) {\n            if (offset && scrollTop + this.$size.scrollerHeight - bottomMargin < top -  this.lineHeight)\n                top += offset * this.$size.scrollerHeight;\n            this.session.setScrollTop(top + this.lineHeight + bottomMargin - this.$size.scrollerHeight);\n        }\n\n        var scrollLeft = this.scrollLeft;\n\n        if (scrollLeft > left) {\n            if (left < this.$padding + 2 * this.layerConfig.characterWidth)\n                left = -this.scrollMargin.left;\n            this.session.setScrollLeft(left);\n        } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {\n            this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));\n        } else if (scrollLeft <= this.$padding && left - scrollLeft < this.characterWidth) {\n            this.session.setScrollLeft(0);\n        }\n    };\n    this.getScrollTop = function() {\n        return this.session.getScrollTop();\n    };\n    this.getScrollLeft = function() {\n        return this.session.getScrollLeft();\n    };\n    this.getScrollTopRow = function() {\n        return this.scrollTop / this.lineHeight;\n    };\n    this.getScrollBottomRow = function() {\n        return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);\n    };\n    this.scrollToRow = function(row) {\n        this.session.setScrollTop(row * this.lineHeight);\n    };\n\n    this.alignCursor = function(cursor, alignment) {\n        if (typeof cursor == \"number\")\n            cursor = {row: cursor, column: 0};\n\n        var pos = this.$cursorLayer.getPixelPosition(cursor);\n        var h = this.$size.scrollerHeight - this.lineHeight;\n        var offset = pos.top - h * (alignment || 0);\n\n        this.session.setScrollTop(offset);\n        return offset;\n    };\n\n    this.STEPS = 8;\n    this.$calcSteps = function(fromValue, toValue){\n        var i = 0;\n        var l = this.STEPS;\n        var steps = [];\n\n        var func  = function(t, x_min, dx) {\n            return dx * (Math.pow(t - 1, 3) + 1) + x_min;\n        };\n\n        for (i = 0; i < l; ++i)\n            steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));\n\n        return steps;\n    };\n    this.scrollToLine = function(line, center, animate, callback) {\n        var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});\n        var offset = pos.top;\n        if (center)\n            offset -= this.$size.scrollerHeight / 2;\n\n        var initialScroll = this.scrollTop;\n        this.session.setScrollTop(offset);\n        if (animate !== false)\n            this.animateScrolling(initialScroll, callback);\n    };\n\n    this.animateScrolling = function(fromValue, callback) {\n        var toValue = this.scrollTop;\n        if (!this.$animatedScroll)\n            return;\n        var _self = this;\n        \n        if (fromValue == toValue)\n            return;\n        \n        if (this.$scrollAnimation) {\n            var oldSteps = this.$scrollAnimation.steps;\n            if (oldSteps.length) {\n                fromValue = oldSteps[0];\n                if (fromValue == toValue)\n                    return;\n            }\n        }\n        \n        var steps = _self.$calcSteps(fromValue, toValue);\n        this.$scrollAnimation = {from: fromValue, to: toValue, steps: steps};\n\n        clearInterval(this.$timer);\n\n        _self.session.setScrollTop(steps.shift());\n        _self.session.$scrollTop = toValue;\n        this.$timer = setInterval(function() {\n            if (!_self.session) \n                return clearInterval(_self.$timer);\n            if (steps.length) {\n                _self.session.setScrollTop(steps.shift());\n                _self.session.$scrollTop = toValue;\n            } else if (toValue != null) {\n                _self.session.$scrollTop = -1;\n                _self.session.setScrollTop(toValue);\n                toValue = null;\n            } else {\n                _self.$timer = clearInterval(_self.$timer);\n                _self.$scrollAnimation = null;\n                callback && callback();\n            }\n        }, 10);\n    };\n    this.scrollToY = function(scrollTop) {\n        if (this.scrollTop !== scrollTop) {\n            this.$loop.schedule(this.CHANGE_SCROLL);\n            this.scrollTop = scrollTop;\n        }\n    };\n    this.scrollToX = function(scrollLeft) {\n        if (this.scrollLeft !== scrollLeft)\n            this.scrollLeft = scrollLeft;\n        this.$loop.schedule(this.CHANGE_H_SCROLL);\n    };\n    this.scrollTo = function(x, y) {\n        this.session.setScrollTop(y);\n        this.session.setScrollLeft(y);\n    };\n    this.scrollBy = function(deltaX, deltaY) {\n        deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);\n        deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);\n    };\n    this.isScrollableBy = function(deltaX, deltaY) {\n        if (deltaY < 0 && this.session.getScrollTop() >= 1 - this.scrollMargin.top)\n           return true;\n        if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight\n            - this.layerConfig.maxHeight < -1 + this.scrollMargin.bottom)\n           return true;\n        if (deltaX < 0 && this.session.getScrollLeft() >= 1 - this.scrollMargin.left)\n            return true;\n        if (deltaX > 0 && this.session.getScrollLeft() + this.$size.scrollerWidth\n            - this.layerConfig.width < -1 + this.scrollMargin.right)\n           return true;\n    };\n\n    this.pixelToScreenCoordinates = function(x, y) {\n        var canvasPos;\n        if (this.$hasCssTransforms) {\n            canvasPos = {top:0, left: 0};\n            var p = this.$fontMetrics.transformCoordinates([x, y]);\n            x = p[1] - this.gutterWidth - this.margin.left;\n            y = p[0];\n        } else {\n            canvasPos = this.scroller.getBoundingClientRect();\n        }\n        \n        var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;\n        var offset = offsetX / this.characterWidth;\n        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);\n        var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);\n\n        return {row: row, column: col, side: offset - col > 0 ? 1 : -1, offsetX:  offsetX};\n    };\n\n    this.screenToTextCoordinates = function(x, y) {\n        var canvasPos;\n        if (this.$hasCssTransforms) {\n            canvasPos = {top:0, left: 0};\n            var p = this.$fontMetrics.transformCoordinates([x, y]);\n            x = p[1] - this.gutterWidth - this.margin.left;\n            y = p[0];\n        } else {\n            canvasPos = this.scroller.getBoundingClientRect();\n        }\n\n        var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;\n        var offset = offsetX / this.characterWidth;\n        var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);\n\n        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);\n\n        return this.session.screenToDocumentPosition(row, Math.max(col, 0), offsetX);\n    };\n    this.textToScreenCoordinates = function(row, column) {\n        var canvasPos = this.scroller.getBoundingClientRect();\n        var pos = this.session.documentToScreenPosition(row, column);\n\n        var x = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, row)\n             ? this.session.$bidiHandler.getPosLeft(pos.column)\n             : Math.round(pos.column * this.characterWidth));\n        \n        var y = pos.row * this.lineHeight;\n\n        return {\n            pageX: canvasPos.left + x - this.scrollLeft,\n            pageY: canvasPos.top + y - this.scrollTop\n        };\n    };\n    this.visualizeFocus = function() {\n        dom.addCssClass(this.container, \"ace_focus\");\n    };\n    this.visualizeBlur = function() {\n        dom.removeCssClass(this.container, \"ace_focus\");\n    };\n    this.showComposition = function(composition) {\n        this.$composition = composition;\n        if (!composition.cssText) {\n            composition.cssText = this.textarea.style.cssText;\n        }\n        if (composition.useTextareaForIME == undefined)\n            composition.useTextareaForIME = this.$useTextareaForIME;\n        \n        if (this.$useTextareaForIME) {\n            dom.addCssClass(this.textarea, \"ace_composition\");\n            this.textarea.style.cssText = \"\";\n            this.$moveTextAreaToCursor();\n            this.$cursorLayer.element.style.display = \"none\";\n        }\n        else {\n            composition.markerId = this.session.addMarker(composition.markerRange, \"ace_composition_marker\", \"text\");\n        }\n    };\n    this.setCompositionText = function(text) {\n        var cursor = this.session.selection.cursor;\n        this.addToken(text, \"composition_placeholder\", cursor.row, cursor.column);\n        this.$moveTextAreaToCursor();\n    };\n    this.hideComposition = function() {\n        if (!this.$composition)\n            return;\n        \n        if (this.$composition.markerId)\n            this.session.removeMarker(this.$composition.markerId);\n\n        dom.removeCssClass(this.textarea, \"ace_composition\");\n        this.textarea.style.cssText = this.$composition.cssText;\n        var cursor = this.session.selection.cursor;\n        this.removeExtraToken(cursor.row, cursor.column);\n        this.$composition = null;\n        this.$cursorLayer.element.style.display = \"\";\n    };\n    \n    this.addToken = function(text, type, row, column) {\n        var session = this.session;\n        session.bgTokenizer.lines[row] = null;\n        var newToken = {type: type, value: text};\n        var tokens = session.getTokens(row);\n        if (column == null) {\n            tokens.push(newToken);\n        } else {\n            var l = 0;\n            for (var i =0; i < tokens.length; i++) {\n                var token = tokens[i];\n                l += token.value.length;\n                if (column <= l) {\n                    var diff = token.value.length - (l - column);\n                    var before = token.value.slice(0, diff);\n                    var after = token.value.slice(diff);\n    \n                    tokens.splice(i, 1, {type: token.type, value: before},  newToken,  {type: token.type, value: after});\n                    break;\n                }\n            }\n        }\n        this.updateLines(row, row);\n    };\n\n    this.removeExtraToken = function(row, column) {\n        this.updateLines(row, row);\n    };\n    this.setTheme = function(theme, cb) {\n        var _self = this;\n        this.$themeId = theme;\n        _self._dispatchEvent('themeChange',{theme:theme});\n\n        if (!theme || typeof theme == \"string\") {\n            var moduleName = theme || this.$options.theme.initialValue;\n            config.loadModule([\"theme\", moduleName], afterLoad);\n        } else {\n            afterLoad(theme);\n        }\n\n        function afterLoad(module) {\n            if (_self.$themeId != theme)\n                return cb && cb();\n            if (!module || !module.cssClass)\n                throw new Error(\"couldn't load module \" + theme + \" or it didn't call define\");\n            if (module.$id)\n                _self.$themeId = module.$id;\n            dom.importCssString(\n                module.cssText,\n                module.cssClass,\n                _self.container\n            );\n\n            if (_self.theme)\n                dom.removeCssClass(_self.container, _self.theme.cssClass);\n\n            var padding = \"padding\" in module ? module.padding \n                : \"padding\" in (_self.theme || {}) ? 4 : _self.$padding;\n            if (_self.$padding && padding != _self.$padding)\n                _self.setPadding(padding);\n            _self.$theme = module.cssClass;\n\n            _self.theme = module;\n            dom.addCssClass(_self.container, module.cssClass);\n            dom.setCssClass(_self.container, \"ace_dark\", module.isDark);\n            if (_self.$size) {\n                _self.$size.width = 0;\n                _self.$updateSizeAsync();\n            }\n\n            _self._dispatchEvent('themeLoaded', {theme:module});\n            cb && cb();\n        }\n    };\n    this.getTheme = function() {\n        return this.$themeId;\n    };\n    this.setStyle = function(style, include) {\n        dom.setCssClass(this.container, style, include !== false);\n    };\n    this.unsetStyle = function(style) {\n        dom.removeCssClass(this.container, style);\n    };\n    \n    this.setCursorStyle = function(style) {\n        dom.setStyle(this.scroller.style, \"cursor\", style);\n    };\n    this.setMouseCursor = function(cursorStyle) {\n        dom.setStyle(this.scroller.style, \"cursor\", cursorStyle);\n    };\n    \n    this.attachToShadowRoot = function() {\n        dom.importCssString(editorCss, \"ace_editor.css\", this.container);\n    };\n    this.destroy = function() {\n        this.freeze();\n        this.$fontMetrics.destroy();\n        this.$cursorLayer.destroy();\n        this.removeAllListeners();\n        this.container.textContent = \"\";\n    };\n\n}).call(VirtualRenderer.prototype);\n\n\nconfig.defineOptions(VirtualRenderer.prototype, \"renderer\", {\n    animatedScroll: {initialValue: false},\n    showInvisibles: {\n        set: function(value) {\n            if (this.$textLayer.setShowInvisibles(value))\n                this.$loop.schedule(this.CHANGE_TEXT);\n        },\n        initialValue: false\n    },\n    showPrintMargin: {\n        set: function() { this.$updatePrintMargin(); },\n        initialValue: true\n    },\n    printMarginColumn: {\n        set: function() { this.$updatePrintMargin(); },\n        initialValue: 80\n    },\n    printMargin: {\n        set: function(val) {\n            if (typeof val == \"number\")\n                this.$printMarginColumn = val;\n            this.$showPrintMargin = !!val;\n            this.$updatePrintMargin();\n        },\n        get: function() {\n            return this.$showPrintMargin && this.$printMarginColumn; \n        }\n    },\n    showGutter: {\n        set: function(show){\n            this.$gutter.style.display = show ? \"block\" : \"none\";\n            this.$loop.schedule(this.CHANGE_FULL);\n            this.onGutterResize();\n        },\n        initialValue: true\n    },\n    fadeFoldWidgets: {\n        set: function(show) {\n            dom.setCssClass(this.$gutter, \"ace_fade-fold-widgets\", show);\n        },\n        initialValue: false\n    },\n    showFoldWidgets: {\n        set: function(show) {\n            this.$gutterLayer.setShowFoldWidgets(show);\n            this.$loop.schedule(this.CHANGE_GUTTER);\n        },\n        initialValue: true\n    },\n    displayIndentGuides: {\n        set: function(show) {\n            if (this.$textLayer.setDisplayIndentGuides(show))\n                this.$loop.schedule(this.CHANGE_TEXT);\n        },\n        initialValue: true\n    },\n    highlightGutterLine: {\n        set: function(shouldHighlight) {\n            this.$gutterLayer.setHighlightGutterLine(shouldHighlight);\n            this.$loop.schedule(this.CHANGE_GUTTER);\n        },\n        initialValue: true\n    },\n    hScrollBarAlwaysVisible: {\n        set: function(val) {\n            if (!this.$hScrollBarAlwaysVisible || !this.$horizScroll)\n                this.$loop.schedule(this.CHANGE_SCROLL);\n        },\n        initialValue: false\n    },\n    vScrollBarAlwaysVisible: {\n        set: function(val) {\n            if (!this.$vScrollBarAlwaysVisible || !this.$vScroll)\n                this.$loop.schedule(this.CHANGE_SCROLL);\n        },\n        initialValue: false\n    },\n    fontSize: {\n        set: function(size) {\n            if (typeof size == \"number\")\n                size = size + \"px\";\n            this.container.style.fontSize = size;\n            this.updateFontSize();\n        },\n        initialValue: 12\n    },\n    fontFamily: {\n        set: function(name) {\n            this.container.style.fontFamily = name;\n            this.updateFontSize();\n        }\n    },\n    maxLines: {\n        set: function(val) {\n            this.updateFull();\n        }\n    },\n    minLines: {\n        set: function(val) {\n            if (!(this.$minLines < 0x1ffffffffffff))\n                this.$minLines = 0;\n            this.updateFull();\n        }\n    },\n    maxPixelHeight: {\n        set: function(val) {\n            this.updateFull();\n        },\n        initialValue: 0\n    },\n    scrollPastEnd: {\n        set: function(val) {\n            val = +val || 0;\n            if (this.$scrollPastEnd == val)\n                return;\n            this.$scrollPastEnd = val;\n            this.$loop.schedule(this.CHANGE_SCROLL);\n        },\n        initialValue: 0,\n        handlesSet: true\n    },\n    fixedWidthGutter: {\n        set: function(val) {\n            this.$gutterLayer.$fixedWidth = !!val;\n            this.$loop.schedule(this.CHANGE_GUTTER);\n        }\n    },\n    theme: {\n        set: function(val) { this.setTheme(val); },\n        get: function() { return this.$themeId || this.theme; },\n        initialValue: \"./theme/textmate\",\n        handlesSet: true\n    },\n    hasCssTransforms: {\n    },\n    useTextareaForIME: {\n        initialValue: !useragent.isMobile && !useragent.isIE\n    }\n});\n\nexports.VirtualRenderer = VirtualRenderer;\n});\n\nace.define(\"ace/worker/worker_client\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/net\",\"ace/lib/event_emitter\",\"ace/config\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"../lib/oop\");\nvar net = require(\"../lib/net\");\nvar EventEmitter = require(\"../lib/event_emitter\").EventEmitter;\nvar config = require(\"../config\");\n\nfunction $workerBlob(workerUrl) {\n    var script = \"importScripts('\" + net.qualifyURL(workerUrl) + \"');\";\n    try {\n        return new Blob([script], {\"type\": \"application/javascript\"});\n    } catch (e) { // Backwards-compatibility\n        var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;\n        var blobBuilder = new BlobBuilder();\n        blobBuilder.append(script);\n        return blobBuilder.getBlob(\"application/javascript\");\n    }\n}\n\nfunction createWorker(workerUrl) {\n    if (typeof Worker == \"undefined\")\n        return { postMessage: function() {}, terminate: function() {} };\n    if (config.get(\"loadWorkerFromBlob\")) {\n        var blob = $workerBlob(workerUrl);\n        var URL = window.URL || window.webkitURL;\n        var blobURL = URL.createObjectURL(blob);\n        return new Worker(blobURL);\n    }\n    return new Worker(workerUrl);\n}\n\nvar WorkerClient = function(worker) {\n    if (!worker.postMessage)\n        worker = this.$createWorkerFromOldConfig.apply(this, arguments);\n\n    this.$worker = worker;\n    this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);\n    this.changeListener = this.changeListener.bind(this);\n    this.onMessage = this.onMessage.bind(this);\n\n    this.callbackId = 1;\n    this.callbacks = {};\n\n    this.$worker.onmessage = this.onMessage;\n};\n\n(function(){\n\n    oop.implement(this, EventEmitter);\n\n    this.$createWorkerFromOldConfig = function(topLevelNamespaces, mod, classname, workerUrl, importScripts) {\n        if (require.nameToUrl && !require.toUrl)\n            require.toUrl = require.nameToUrl;\n\n        if (config.get(\"packaged\") || !require.toUrl) {\n            workerUrl = workerUrl || config.moduleUrl(mod, \"worker\");\n        } else {\n            var normalizePath = this.$normalizePath;\n            workerUrl = workerUrl || normalizePath(require.toUrl(\"ace/worker/worker.js\", null, \"_\"));\n\n            var tlns = {};\n            topLevelNamespaces.forEach(function(ns) {\n                tlns[ns] = normalizePath(require.toUrl(ns, null, \"_\").replace(/(\\.js)?(\\?.*)?$/, \"\"));\n            });\n        }\n\n        this.$worker = createWorker(workerUrl);\n        if (importScripts) {\n            this.send(\"importScripts\", importScripts);\n        }\n        this.$worker.postMessage({\n            init : true,\n            tlns : tlns,\n            module : mod,\n            classname : classname\n        });\n        return this.$worker;\n    };\n\n    this.onMessage = function(e) {\n        var msg = e.data;\n        switch (msg.type) {\n            case \"event\":\n                this._signal(msg.name, {data: msg.data});\n                break;\n            case \"call\":\n                var callback = this.callbacks[msg.id];\n                if (callback) {\n                    callback(msg.data);\n                    delete this.callbacks[msg.id];\n                }\n                break;\n            case \"error\":\n                this.reportError(msg.data);\n                break;\n            case \"log\":\n                window.console && console.log && console.log.apply(console, msg.data);\n                break;\n        }\n    };\n    \n    this.reportError = function(err) {\n        window.console && console.error && console.error(err);\n    };\n\n    this.$normalizePath = function(path) {\n        return net.qualifyURL(path);\n    };\n\n    this.terminate = function() {\n        this._signal(\"terminate\", {});\n        this.deltaQueue = null;\n        this.$worker.terminate();\n        this.$worker = null;\n        if (this.$doc)\n            this.$doc.off(\"change\", this.changeListener);\n        this.$doc = null;\n    };\n\n    this.send = function(cmd, args) {\n        this.$worker.postMessage({command: cmd, args: args});\n    };\n\n    this.call = function(cmd, args, callback) {\n        if (callback) {\n            var id = this.callbackId++;\n            this.callbacks[id] = callback;\n            args.push(id);\n        }\n        this.send(cmd, args);\n    };\n\n    this.emit = function(event, data) {\n        try {\n            if (data.data && data.data.err)\n                data.data.err = {message: data.data.err.message, stack: data.data.err.stack, code: data.data.err.code};\n            this.$worker.postMessage({event: event, data: {data: data.data}});\n        }\n        catch(ex) {\n            console.error(ex.stack);\n        }\n    };\n\n    this.attachToDocument = function(doc) {\n        if (this.$doc)\n            this.terminate();\n\n        this.$doc = doc;\n        this.call(\"setValue\", [doc.getValue()]);\n        doc.on(\"change\", this.changeListener);\n    };\n\n    this.changeListener = function(delta) {\n        if (!this.deltaQueue) {\n            this.deltaQueue = [];\n            setTimeout(this.$sendDeltaQueue, 0);\n        }\n        if (delta.action == \"insert\")\n            this.deltaQueue.push(delta.start, delta.lines);\n        else\n            this.deltaQueue.push(delta.start, delta.end);\n    };\n\n    this.$sendDeltaQueue = function() {\n        var q = this.deltaQueue;\n        if (!q) return;\n        this.deltaQueue = null;\n        if (q.length > 50 && q.length > this.$doc.getLength() >> 1) {\n            this.call(\"setValue\", [this.$doc.getValue()]);\n        } else\n            this.emit(\"change\", {data: q});\n    };\n\n}).call(WorkerClient.prototype);\n\n\nvar UIWorkerClient = function(topLevelNamespaces, mod, classname) {\n    var main = null;\n    var emitSync = false;\n    var sender = Object.create(EventEmitter);\n\n    var messageBuffer = [];\n    var workerClient = new WorkerClient({\n        messageBuffer: messageBuffer,\n        terminate: function() {},\n        postMessage: function(e) {\n            messageBuffer.push(e);\n            if (!main) return;\n            if (emitSync)\n                setTimeout(processNext);\n            else\n                processNext();\n        }\n    });\n\n    workerClient.setEmitSync = function(val) { emitSync = val; };\n\n    var processNext = function() {\n        var msg = messageBuffer.shift();\n        if (msg.command)\n            main[msg.command].apply(main, msg.args);\n        else if (msg.event)\n            sender._signal(msg.event, msg.data);\n    };\n\n    sender.postMessage = function(msg) {\n        workerClient.onMessage({data: msg});\n    };\n    sender.callback = function(data, callbackId) {\n        this.postMessage({type: \"call\", id: callbackId, data: data});\n    };\n    sender.emit = function(name, data) {\n        this.postMessage({type: \"event\", name: name, data: data});\n    };\n\n    config.loadModule([\"worker\", mod], function(Main) {\n        main = new Main[classname](sender);\n        while (messageBuffer.length)\n            processNext();\n    });\n\n    return workerClient;\n};\n\nexports.UIWorkerClient = UIWorkerClient;\nexports.WorkerClient = WorkerClient;\nexports.createWorker = createWorker;\n\n\n});\n\nace.define(\"ace/placeholder\",[\"require\",\"exports\",\"module\",\"ace/range\",\"ace/lib/event_emitter\",\"ace/lib/oop\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"./range\").Range;\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\nvar oop = require(\"./lib/oop\");\n\nvar PlaceHolder = function(session, length, pos, others, mainClass, othersClass) {\n    var _self = this;\n    this.length = length;\n    this.session = session;\n    this.doc = session.getDocument();\n    this.mainClass = mainClass;\n    this.othersClass = othersClass;\n    this.$onUpdate = this.onUpdate.bind(this);\n    this.doc.on(\"change\", this.$onUpdate);\n    this.$others = others;\n    \n    this.$onCursorChange = function() {\n        setTimeout(function() {\n            _self.onCursorChange();\n        });\n    };\n    \n    this.$pos = pos;\n    var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {length: -1};\n    this.$undoStackDepth = undoStack.length;\n    this.setup();\n\n    session.selection.on(\"changeCursor\", this.$onCursorChange);\n};\n\n(function() {\n\n    oop.implement(this, EventEmitter);\n    this.setup = function() {\n        var _self = this;\n        var doc = this.doc;\n        var session = this.session;\n        \n        this.selectionBefore = session.selection.toJSON();\n        if (session.selection.inMultiSelectMode)\n            session.selection.toSingleRange();\n\n        this.pos = doc.createAnchor(this.$pos.row, this.$pos.column);\n        var pos = this.pos;\n        pos.$insertRight = true;\n        pos.detach();\n        pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);\n        this.others = [];\n        this.$others.forEach(function(other) {\n            var anchor = doc.createAnchor(other.row, other.column);\n            anchor.$insertRight = true;\n            anchor.detach();\n            _self.others.push(anchor);\n        });\n        session.setUndoSelect(false);\n    };\n    this.showOtherMarkers = function() {\n        if (this.othersActive) return;\n        var session = this.session;\n        var _self = this;\n        this.othersActive = true;\n        this.others.forEach(function(anchor) {\n            anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);\n        });\n    };\n    this.hideOtherMarkers = function() {\n        if (!this.othersActive) return;\n        this.othersActive = false;\n        for (var i = 0; i < this.others.length; i++) {\n            this.session.removeMarker(this.others[i].markerId);\n        }\n    };\n    this.onUpdate = function(delta) {\n        if (this.$updating)\n            return this.updateAnchors(delta);\n            \n        var range = delta;\n        if (range.start.row !== range.end.row) return;\n        if (range.start.row !== this.pos.row) return;\n        this.$updating = true;\n        var lengthDiff = delta.action === \"insert\" ? range.end.column - range.start.column : range.start.column - range.end.column;\n        var inMainRange = range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1;\n        var distanceFromStart = range.start.column - this.pos.column;\n        \n        this.updateAnchors(delta);\n        \n        if (inMainRange)\n            this.length += lengthDiff;\n\n        if (inMainRange && !this.session.$fromUndo) {\n            if (delta.action === 'insert') {\n                for (var i = this.others.length - 1; i >= 0; i--) {\n                    var otherPos = this.others[i];\n                    var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};\n                    this.doc.insertMergedLines(newPos, delta.lines);\n                }\n            } else if (delta.action === 'remove') {\n                for (var i = this.others.length - 1; i >= 0; i--) {\n                    var otherPos = this.others[i];\n                    var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};\n                    this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));\n                }\n            }\n        }\n        \n        this.$updating = false;\n        this.updateMarkers();\n    };\n    \n    this.updateAnchors = function(delta) {\n        this.pos.onChange(delta);\n        for (var i = this.others.length; i--;)\n            this.others[i].onChange(delta);\n        this.updateMarkers();\n    };\n    \n    this.updateMarkers = function() {\n        if (this.$updating)\n            return;\n        var _self = this;\n        var session = this.session;\n        var updateMarker = function(pos, className) {\n            session.removeMarker(pos.markerId);\n            pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column+_self.length), className, null, false);\n        };\n        updateMarker(this.pos, this.mainClass);\n        for (var i = this.others.length; i--;)\n            updateMarker(this.others[i], this.othersClass);\n    };\n\n    this.onCursorChange = function(event) {\n        if (this.$updating || !this.session) return;\n        var pos = this.session.selection.getCursor();\n        if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {\n            this.showOtherMarkers();\n            this._emit(\"cursorEnter\", event);\n        } else {\n            this.hideOtherMarkers();\n            this._emit(\"cursorLeave\", event);\n        }\n    };    \n    this.detach = function() {\n        this.session.removeMarker(this.pos && this.pos.markerId);\n        this.hideOtherMarkers();\n        this.doc.off(\"change\", this.$onUpdate);\n        this.session.selection.off(\"changeCursor\", this.$onCursorChange);\n        this.session.setUndoSelect(true);\n        this.session = null;\n    };\n    this.cancel = function() {\n        if (this.$undoStackDepth === -1)\n            return;\n        var undoManager = this.session.getUndoManager();\n        var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;\n        for (var i = 0; i < undosRequired; i++) {\n            undoManager.undo(this.session, true);\n        }\n        if (this.selectionBefore)\n            this.session.selection.fromJSON(this.selectionBefore);\n    };\n}).call(PlaceHolder.prototype);\n\n\nexports.PlaceHolder = PlaceHolder;\n});\n\nace.define(\"ace/mouse/multi_select_handler\",[\"require\",\"exports\",\"module\",\"ace/lib/event\",\"ace/lib/useragent\"], function(require, exports, module) {\n\nvar event = require(\"../lib/event\");\nvar useragent = require(\"../lib/useragent\");\nfunction isSamePoint(p1, p2) {\n    return p1.row == p2.row && p1.column == p2.column;\n}\n\nfunction onMouseDown(e) {\n    var ev = e.domEvent;\n    var alt = ev.altKey;\n    var shift = ev.shiftKey;\n    var ctrl = ev.ctrlKey;\n    var accel = e.getAccelKey();\n    var button = e.getButton();\n    \n    if (ctrl && useragent.isMac)\n        button = ev.button;\n\n    if (e.editor.inMultiSelectMode && button == 2) {\n        e.editor.textInput.onContextMenu(e.domEvent);\n        return;\n    }\n    \n    if (!ctrl && !alt && !accel) {\n        if (button === 0 && e.editor.inMultiSelectMode)\n            e.editor.exitMultiSelectMode();\n        return;\n    }\n    \n    if (button !== 0)\n        return;\n\n    var editor = e.editor;\n    var selection = editor.selection;\n    var isMultiSelect = editor.inMultiSelectMode;\n    var pos = e.getDocumentPosition();\n    var cursor = selection.getCursor();\n    var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));\n\n    var mouseX = e.x, mouseY = e.y;\n    var onMouseSelection = function(e) {\n        mouseX = e.clientX;\n        mouseY = e.clientY;\n    };\n    \n    var session = editor.session;\n    var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);\n    var screenCursor = screenAnchor;\n    \n    var selectionMode;\n    if (editor.$mouseHandler.$enableJumpToDef) {\n        if (ctrl && alt || accel && alt)\n            selectionMode = shift ? \"block\" : \"add\";\n        else if (alt && editor.$blockSelectEnabled)\n            selectionMode = \"block\";\n    } else {\n        if (accel && !alt) {\n            selectionMode = \"add\";\n            if (!isMultiSelect && shift)\n                return;\n        } else if (alt && editor.$blockSelectEnabled) {\n            selectionMode = \"block\";\n        }\n    }\n    \n    if (selectionMode && useragent.isMac && ev.ctrlKey) {\n        editor.$mouseHandler.cancelContextMenu();\n    }\n\n    if (selectionMode == \"add\") {\n        if (!isMultiSelect && inSelection)\n            return; // dragging\n\n        if (!isMultiSelect) {\n            var range = selection.toOrientedRange();\n            editor.addSelectionMarker(range);\n        }\n\n        var oldRange = selection.rangeList.rangeAtPoint(pos);\n        \n        editor.inVirtualSelectionMode = true;\n        \n        if (shift) {\n            oldRange = null;\n            range = selection.ranges[0] || range;\n            editor.removeSelectionMarker(range);\n        }\n        editor.once(\"mouseup\", function() {\n            var tmpSel = selection.toOrientedRange();\n\n            if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))\n                selection.substractPoint(tmpSel.cursor);\n            else {\n                if (shift) {\n                    selection.substractPoint(range.cursor);\n                } else if (range) {\n                    editor.removeSelectionMarker(range);\n                    selection.addRange(range);\n                }\n                selection.addRange(tmpSel);\n            }\n            editor.inVirtualSelectionMode = false;\n        });\n\n    } else if (selectionMode == \"block\") {\n        e.stop();\n        editor.inVirtualSelectionMode = true;        \n        var initialRange;\n        var rectSel = [];\n        var blockSelect = function() {\n            var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);\n            var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column, newCursor.offsetX);\n\n            if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))\n                return;\n            screenCursor = newCursor;\n            \n            editor.selection.moveToPosition(cursor);\n            editor.renderer.scrollCursorIntoView();\n\n            editor.removeSelectionMarkers(rectSel);\n            rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);\n            if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())\n                rectSel[0] = editor.$mouseHandler.$clickSelection.clone();\n            rectSel.forEach(editor.addSelectionMarker, editor);\n            editor.updateSelectionMarkers();\n        };\n        if (isMultiSelect && !accel) {\n            selection.toSingleRange();\n        } else if (!isMultiSelect && accel) {\n            initialRange = selection.toOrientedRange();\n            editor.addSelectionMarker(initialRange);\n        }\n        \n        if (shift)\n            screenAnchor = session.documentToScreenPosition(selection.lead);            \n        else\n            selection.moveToPosition(pos);\n        \n        screenCursor = {row: -1, column: -1};\n\n        var onMouseSelectionEnd = function(e) {\n            blockSelect();\n            clearInterval(timerId);\n            editor.removeSelectionMarkers(rectSel);\n            if (!rectSel.length)\n                rectSel = [selection.toOrientedRange()];\n            if (initialRange) {\n                editor.removeSelectionMarker(initialRange);\n                selection.toSingleRange(initialRange);\n            }\n            for (var i = 0; i < rectSel.length; i++)\n                selection.addRange(rectSel[i]);\n            editor.inVirtualSelectionMode = false;\n            editor.$mouseHandler.$clickSelection = null;\n        };\n\n        var onSelectionInterval = blockSelect;\n\n        event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);\n        var timerId = setInterval(function() {onSelectionInterval();}, 20);\n\n        return e.preventDefault();\n    }\n}\n\n\nexports.onMouseDown = onMouseDown;\n\n});\n\nace.define(\"ace/commands/multi_select_commands\",[\"require\",\"exports\",\"module\",\"ace/keyboard/hash_handler\"], function(require, exports, module) {\nexports.defaultCommands = [{\n    name: \"addCursorAbove\",\n    description: \"Add cursor above\",\n    exec: function(editor) { editor.selectMoreLines(-1); },\n    bindKey: {win: \"Ctrl-Alt-Up\", mac: \"Ctrl-Alt-Up\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"addCursorBelow\",\n    description: \"Add cursor below\",\n    exec: function(editor) { editor.selectMoreLines(1); },\n    bindKey: {win: \"Ctrl-Alt-Down\", mac: \"Ctrl-Alt-Down\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"addCursorAboveSkipCurrent\",\n    description: \"Add cursor above (skip current)\",\n    exec: function(editor) { editor.selectMoreLines(-1, true); },\n    bindKey: {win: \"Ctrl-Alt-Shift-Up\", mac: \"Ctrl-Alt-Shift-Up\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"addCursorBelowSkipCurrent\",\n    description: \"Add cursor below (skip current)\",\n    exec: function(editor) { editor.selectMoreLines(1, true); },\n    bindKey: {win: \"Ctrl-Alt-Shift-Down\", mac: \"Ctrl-Alt-Shift-Down\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectMoreBefore\",\n    description: \"Select more before\",\n    exec: function(editor) { editor.selectMore(-1); },\n    bindKey: {win: \"Ctrl-Alt-Left\", mac: \"Ctrl-Alt-Left\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectMoreAfter\",\n    description: \"Select more after\",\n    exec: function(editor) { editor.selectMore(1); },\n    bindKey: {win: \"Ctrl-Alt-Right\", mac: \"Ctrl-Alt-Right\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectNextBefore\",\n    description: \"Select next before\",\n    exec: function(editor) { editor.selectMore(-1, true); },\n    bindKey: {win: \"Ctrl-Alt-Shift-Left\", mac: \"Ctrl-Alt-Shift-Left\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"selectNextAfter\",\n    description: \"Select next after\",\n    exec: function(editor) { editor.selectMore(1, true); },\n    bindKey: {win: \"Ctrl-Alt-Shift-Right\", mac: \"Ctrl-Alt-Shift-Right\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}, {\n    name: \"toggleSplitSelectionIntoLines\",\n    description: \"Split into lines\",\n    exec: function(editor) {\n        if (editor.multiSelect.rangeCount > 1)\n            editor.multiSelect.joinSelections();\n        else\n            editor.multiSelect.splitIntoLines();\n    },\n    bindKey: {win: \"Ctrl-Alt-L\", mac: \"Ctrl-Alt-L\"},\n    readOnly: true\n}, {\n    name: \"splitSelectionIntoLines\",\n    description: \"Split into lines\",\n    exec: function(editor) { editor.multiSelect.splitIntoLines(); },\n    readOnly: true\n}, {\n    name: \"alignCursors\",\n    description: \"Align cursors\",\n    exec: function(editor) { editor.alignCursors(); },\n    bindKey: {win: \"Ctrl-Alt-A\", mac: \"Ctrl-Alt-A\"},\n    scrollIntoView: \"cursor\"\n}, {\n    name: \"findAll\",\n    description: \"Find all\",\n    exec: function(editor) { editor.findAll(); },\n    bindKey: {win: \"Ctrl-Alt-K\", mac: \"Ctrl-Alt-G\"},\n    scrollIntoView: \"cursor\",\n    readOnly: true\n}];\nexports.multiSelectCommands = [{\n    name: \"singleSelection\",\n    description: \"Single selection\",\n    bindKey: \"esc\",\n    exec: function(editor) { editor.exitMultiSelectMode(); },\n    scrollIntoView: \"cursor\",\n    readOnly: true,\n    isAvailable: function(editor) {return editor && editor.inMultiSelectMode;}\n}];\n\nvar HashHandler = require(\"../keyboard/hash_handler\").HashHandler;\nexports.keyboardHandler = new HashHandler(exports.multiSelectCommands);\n\n});\n\nace.define(\"ace/multi_select\",[\"require\",\"exports\",\"module\",\"ace/range_list\",\"ace/range\",\"ace/selection\",\"ace/mouse/multi_select_handler\",\"ace/lib/event\",\"ace/lib/lang\",\"ace/commands/multi_select_commands\",\"ace/search\",\"ace/edit_session\",\"ace/editor\",\"ace/config\"], function(require, exports, module) {\n\nvar RangeList = require(\"./range_list\").RangeList;\nvar Range = require(\"./range\").Range;\nvar Selection = require(\"./selection\").Selection;\nvar onMouseDown = require(\"./mouse/multi_select_handler\").onMouseDown;\nvar event = require(\"./lib/event\");\nvar lang = require(\"./lib/lang\");\nvar commands = require(\"./commands/multi_select_commands\");\nexports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);\nvar Search = require(\"./search\").Search;\nvar search = new Search();\n\nfunction find(session, needle, dir) {\n    search.$options.wrap = true;\n    search.$options.needle = needle;\n    search.$options.backwards = dir == -1;\n    return search.find(session);\n}\nvar EditSession = require(\"./edit_session\").EditSession;\n(function() {\n    this.getSelectionMarkers = function() {\n        return this.$selectionMarkers;\n    };\n}).call(EditSession.prototype);\n(function() {\n    this.ranges = null;\n    this.rangeList = null;\n    this.addRange = function(range, $blockChangeEvents) {\n        if (!range)\n            return;\n\n        if (!this.inMultiSelectMode && this.rangeCount === 0) {\n            var oldRange = this.toOrientedRange();\n            this.rangeList.add(oldRange);\n            this.rangeList.add(range);\n            if (this.rangeList.ranges.length != 2) {\n                this.rangeList.removeAll();\n                return $blockChangeEvents || this.fromOrientedRange(range);\n            }\n            this.rangeList.removeAll();\n            this.rangeList.add(oldRange);\n            this.$onAddRange(oldRange);\n        }\n\n        if (!range.cursor)\n            range.cursor = range.end;\n\n        var removed = this.rangeList.add(range);\n\n        this.$onAddRange(range);\n\n        if (removed.length)\n            this.$onRemoveRange(removed);\n\n        if (this.rangeCount > 1 && !this.inMultiSelectMode) {\n            this._signal(\"multiSelect\");\n            this.inMultiSelectMode = true;\n            this.session.$undoSelect = false;\n            this.rangeList.attach(this.session);\n        }\n\n        return $blockChangeEvents || this.fromOrientedRange(range);\n    };\n    this.toSingleRange = function(range) {\n        range = range || this.ranges[0];\n        var removed = this.rangeList.removeAll();\n        if (removed.length)\n            this.$onRemoveRange(removed);\n\n        range && this.fromOrientedRange(range);\n    };\n    this.substractPoint = function(pos) {\n        var removed = this.rangeList.substractPoint(pos);\n        if (removed) {\n            this.$onRemoveRange(removed);\n            return removed[0];\n        }\n    };\n    this.mergeOverlappingRanges = function() {\n        var removed = this.rangeList.merge();\n        if (removed.length)\n            this.$onRemoveRange(removed);\n    };\n\n    this.$onAddRange = function(range) {\n        this.rangeCount = this.rangeList.ranges.length;\n        this.ranges.unshift(range);\n        this._signal(\"addRange\", {range: range});\n    };\n\n    this.$onRemoveRange = function(removed) {\n        this.rangeCount = this.rangeList.ranges.length;\n        if (this.rangeCount == 1 && this.inMultiSelectMode) {\n            var lastRange = this.rangeList.ranges.pop();\n            removed.push(lastRange);\n            this.rangeCount = 0;\n        }\n\n        for (var i = removed.length; i--; ) {\n            var index = this.ranges.indexOf(removed[i]);\n            this.ranges.splice(index, 1);\n        }\n\n        this._signal(\"removeRange\", {ranges: removed});\n\n        if (this.rangeCount === 0 && this.inMultiSelectMode) {\n            this.inMultiSelectMode = false;\n            this._signal(\"singleSelect\");\n            this.session.$undoSelect = true;\n            this.rangeList.detach(this.session);\n        }\n\n        lastRange = lastRange || this.ranges[0];\n        if (lastRange && !lastRange.isEqual(this.getRange()))\n            this.fromOrientedRange(lastRange);\n    };\n    this.$initRangeList = function() {\n        if (this.rangeList)\n            return;\n\n        this.rangeList = new RangeList();\n        this.ranges = [];\n        this.rangeCount = 0;\n    };\n    this.getAllRanges = function() {\n        return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];\n    };\n    this.splitIntoLines = function () {\n        var ranges = this.ranges.length ? this.ranges : [this.getRange()];\n        var newRanges = [];\n        for (var i = 0; i < ranges.length; i++) {\n            var range = ranges[i];\n            var row = range.start.row;\n            var endRow = range.end.row;\n            if (row === endRow) {\n                newRanges.push(range.clone());\n            } else {\n                newRanges.push(new Range(row, range.start.column, row, this.session.getLine(row).length));\n                while (++row < endRow)\n                    newRanges.push(this.getLineRange(row, true));\n                newRanges.push(new Range(endRow, 0, endRow, range.end.column));\n            }\n            if (i == 0 && !this.isBackwards())\n                newRanges = newRanges.reverse();\n        }\n        this.toSingleRange();\n        for (var i = newRanges.length; i--;)\n            this.addRange(newRanges[i]);\n    };\n    \n    this.joinSelections = function () {\n        var ranges = this.rangeList.ranges;\n        var lastRange = ranges[ranges.length - 1];\n        var range = Range.fromPoints(ranges[0].start, lastRange.end);\n\n        this.toSingleRange();\n        this.setSelectionRange(range, lastRange.cursor == lastRange.start);\n    };\n    this.toggleBlockSelection = function () {\n        if (this.rangeCount > 1) {\n            var ranges = this.rangeList.ranges;\n            var lastRange = ranges[ranges.length - 1];\n            var range = Range.fromPoints(ranges[0].start, lastRange.end);\n\n            this.toSingleRange();\n            this.setSelectionRange(range, lastRange.cursor == lastRange.start);\n        } else {\n            var cursor = this.session.documentToScreenPosition(this.cursor);\n            var anchor = this.session.documentToScreenPosition(this.anchor);\n\n            var rectSel = this.rectangularRangeBlock(cursor, anchor);\n            rectSel.forEach(this.addRange, this);\n        }\n    };\n    this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {\n        var rectSel = [];\n\n        var xBackwards = screenCursor.column < screenAnchor.column;\n        if (xBackwards) {\n            var startColumn = screenCursor.column;\n            var endColumn = screenAnchor.column;\n            var startOffsetX = screenCursor.offsetX;\n            var endOffsetX = screenAnchor.offsetX;\n        } else {\n            var startColumn = screenAnchor.column;\n            var endColumn = screenCursor.column;\n            var startOffsetX = screenAnchor.offsetX;\n            var endOffsetX = screenCursor.offsetX;\n        }\n\n        var yBackwards = screenCursor.row < screenAnchor.row;\n        if (yBackwards) {\n            var startRow = screenCursor.row;\n            var endRow = screenAnchor.row;\n        } else {\n            var startRow = screenAnchor.row;\n            var endRow = screenCursor.row;\n        }\n\n        if (startColumn < 0)\n            startColumn = 0;\n        if (startRow < 0)\n            startRow = 0;\n\n        if (startRow == endRow)\n            includeEmptyLines = true;\n\n        var docEnd;\n        for (var row = startRow; row <= endRow; row++) {\n            var range = Range.fromPoints(\n                this.session.screenToDocumentPosition(row, startColumn, startOffsetX),\n                this.session.screenToDocumentPosition(row, endColumn, endOffsetX)\n            );\n            if (range.isEmpty()) {\n                if (docEnd && isSamePoint(range.end, docEnd))\n                    break;\n                docEnd = range.end;\n            }\n            range.cursor = xBackwards ? range.start : range.end;\n            rectSel.push(range);\n        }\n\n        if (yBackwards)\n            rectSel.reverse();\n\n        if (!includeEmptyLines) {\n            var end = rectSel.length - 1;\n            while (rectSel[end].isEmpty() && end > 0)\n                end--;\n            if (end > 0) {\n                var start = 0;\n                while (rectSel[start].isEmpty())\n                    start++;\n            }\n            for (var i = end; i >= start; i--) {\n                if (rectSel[i].isEmpty())\n                    rectSel.splice(i, 1);\n            }\n        }\n\n        return rectSel;\n    };\n}).call(Selection.prototype);\nvar Editor = require(\"./editor\").Editor;\n(function() {\n    this.updateSelectionMarkers = function() {\n        this.renderer.updateCursor();\n        this.renderer.updateBackMarkers();\n    };\n    this.addSelectionMarker = function(orientedRange) {\n        if (!orientedRange.cursor)\n            orientedRange.cursor = orientedRange.end;\n\n        var style = this.getSelectionStyle();\n        orientedRange.marker = this.session.addMarker(orientedRange, \"ace_selection\", style);\n\n        this.session.$selectionMarkers.push(orientedRange);\n        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;\n        return orientedRange;\n    };\n    this.removeSelectionMarker = function(range) {\n        if (!range.marker)\n            return;\n        this.session.removeMarker(range.marker);\n        var index = this.session.$selectionMarkers.indexOf(range);\n        if (index != -1)\n            this.session.$selectionMarkers.splice(index, 1);\n        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;\n    };\n\n    this.removeSelectionMarkers = function(ranges) {\n        var markerList = this.session.$selectionMarkers;\n        for (var i = ranges.length; i--; ) {\n            var range = ranges[i];\n            if (!range.marker)\n                continue;\n            this.session.removeMarker(range.marker);\n            var index = markerList.indexOf(range);\n            if (index != -1)\n                markerList.splice(index, 1);\n        }\n        this.session.selectionMarkerCount = markerList.length;\n    };\n\n    this.$onAddRange = function(e) {\n        this.addSelectionMarker(e.range);\n        this.renderer.updateCursor();\n        this.renderer.updateBackMarkers();\n    };\n\n    this.$onRemoveRange = function(e) {\n        this.removeSelectionMarkers(e.ranges);\n        this.renderer.updateCursor();\n        this.renderer.updateBackMarkers();\n    };\n\n    this.$onMultiSelect = function(e) {\n        if (this.inMultiSelectMode)\n            return;\n        this.inMultiSelectMode = true;\n\n        this.setStyle(\"ace_multiselect\");\n        this.keyBinding.addKeyboardHandler(commands.keyboardHandler);\n        this.commands.setDefaultHandler(\"exec\", this.$onMultiSelectExec);\n\n        this.renderer.updateCursor();\n        this.renderer.updateBackMarkers();\n    };\n\n    this.$onSingleSelect = function(e) {\n        if (this.session.multiSelect.inVirtualMode)\n            return;\n        this.inMultiSelectMode = false;\n\n        this.unsetStyle(\"ace_multiselect\");\n        this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);\n\n        this.commands.removeDefaultHandler(\"exec\", this.$onMultiSelectExec);\n        this.renderer.updateCursor();\n        this.renderer.updateBackMarkers();\n        this._emit(\"changeSelection\");\n    };\n\n    this.$onMultiSelectExec = function(e) {\n        var command = e.command;\n        var editor = e.editor;\n        if (!editor.multiSelect)\n            return;\n        if (!command.multiSelectAction) {\n            var result = command.exec(editor, e.args || {});\n            editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());\n            editor.multiSelect.mergeOverlappingRanges();\n        } else if (command.multiSelectAction == \"forEach\") {\n            result = editor.forEachSelection(command, e.args);\n        } else if (command.multiSelectAction == \"forEachLine\") {\n            result = editor.forEachSelection(command, e.args, true);\n        } else if (command.multiSelectAction == \"single\") {\n            editor.exitMultiSelectMode();\n            result = command.exec(editor, e.args || {});\n        } else {\n            result = command.multiSelectAction(editor, e.args || {});\n        }\n        return result;\n    }; \n    this.forEachSelection = function(cmd, args, options) {\n        if (this.inVirtualSelectionMode)\n            return;\n        var keepOrder = options && options.keepOrder;\n        var $byLines = options == true || options && options.$byLines;\n        var session = this.session;\n        var selection = this.selection;\n        var rangeList = selection.rangeList;\n        var ranges = (keepOrder ? selection : rangeList).ranges;\n        var result;\n        \n        if (!ranges.length)\n            return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});\n        \n        var reg = selection._eventRegistry;\n        selection._eventRegistry = {};\n\n        var tmpSel = new Selection(session);\n        this.inVirtualSelectionMode = true;\n        for (var i = ranges.length; i--;) {\n            if ($byLines) {\n                while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)\n                    i--;\n            }\n            tmpSel.fromOrientedRange(ranges[i]);\n            tmpSel.index = i;\n            this.selection = session.selection = tmpSel;\n            var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});\n            if (!result && cmdResult !== undefined)\n                result = cmdResult;\n            tmpSel.toOrientedRange(ranges[i]);\n        }\n        tmpSel.detach();\n\n        this.selection = session.selection = selection;\n        this.inVirtualSelectionMode = false;\n        selection._eventRegistry = reg;\n        selection.mergeOverlappingRanges();\n        if (selection.ranges[0])\n            selection.fromOrientedRange(selection.ranges[0]);\n        \n        var anim = this.renderer.$scrollAnimation;\n        this.onCursorChange();\n        this.onSelectionChange();\n        if (anim && anim.from == anim.to)\n            this.renderer.animateScrolling(anim.from);\n        \n        return result;\n    };\n    this.exitMultiSelectMode = function() {\n        if (!this.inMultiSelectMode || this.inVirtualSelectionMode)\n            return;\n        this.multiSelect.toSingleRange();\n    };\n\n    this.getSelectedText = function() {\n        var text = \"\";\n        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {\n            var ranges = this.multiSelect.rangeList.ranges;\n            var buf = [];\n            for (var i = 0; i < ranges.length; i++) {\n                buf.push(this.session.getTextRange(ranges[i]));\n            }\n            var nl = this.session.getDocument().getNewLineCharacter();\n            text = buf.join(nl);\n            if (text.length == (buf.length - 1) * nl.length)\n                text = \"\";\n        } else if (!this.selection.isEmpty()) {\n            text = this.session.getTextRange(this.getSelectionRange());\n        }\n        return text;\n    };\n    \n    this.$checkMultiselectChange = function(e, anchor) {\n        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {\n            var range = this.multiSelect.ranges[0];\n            if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)\n                return;\n            var pos = anchor == this.multiSelect.anchor\n                ? range.cursor == range.start ? range.end : range.start\n                : range.cursor;\n            if (pos.row != anchor.row \n                || this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)\n                this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());\n            else\n                this.multiSelect.mergeOverlappingRanges();\n        }\n    };\n    this.findAll = function(needle, options, additive) {\n        options = options || {};\n        options.needle = needle || options.needle;\n        if (options.needle == undefined) {\n            var range = this.selection.isEmpty()\n                ? this.selection.getWordRange()\n                : this.selection.getRange();\n            options.needle = this.session.getTextRange(range);\n        }    \n        this.$search.set(options);\n        \n        var ranges = this.$search.findAll(this.session);\n        if (!ranges.length)\n            return 0;\n\n        var selection = this.multiSelect;\n\n        if (!additive)\n            selection.toSingleRange(ranges[0]);\n\n        for (var i = ranges.length; i--; )\n            selection.addRange(ranges[i], true);\n        if (range && selection.rangeList.rangeAtPoint(range.start))\n            selection.addRange(range, true);\n        \n        return ranges.length;\n    };\n    this.selectMoreLines = function(dir, skip) {\n        var range = this.selection.toOrientedRange();\n        var isBackwards = range.cursor == range.end;\n\n        var screenLead = this.session.documentToScreenPosition(range.cursor);\n        if (this.selection.$desiredColumn)\n            screenLead.column = this.selection.$desiredColumn;\n\n        var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);\n\n        if (!range.isEmpty()) {\n            var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);\n            var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);\n        } else {\n            var anchor = lead;\n        }\n\n        if (isBackwards) {\n            var newRange = Range.fromPoints(lead, anchor);\n            newRange.cursor = newRange.start;\n        } else {\n            var newRange = Range.fromPoints(anchor, lead);\n            newRange.cursor = newRange.end;\n        }\n\n        newRange.desiredColumn = screenLead.column;\n        if (!this.selection.inMultiSelectMode) {\n            this.selection.addRange(range);\n        } else {\n            if (skip)\n                var toRemove = range.cursor;\n        }\n\n        this.selection.addRange(newRange);\n        if (toRemove)\n            this.selection.substractPoint(toRemove);\n    };\n    this.transposeSelections = function(dir) {\n        var session = this.session;\n        var sel = session.multiSelect;\n        var all = sel.ranges;\n\n        for (var i = all.length; i--; ) {\n            var range = all[i];\n            if (range.isEmpty()) {\n                var tmp = session.getWordRange(range.start.row, range.start.column);\n                range.start.row = tmp.start.row;\n                range.start.column = tmp.start.column;\n                range.end.row = tmp.end.row;\n                range.end.column = tmp.end.column;\n            }\n        }\n        sel.mergeOverlappingRanges();\n\n        var words = [];\n        for (var i = all.length; i--; ) {\n            var range = all[i];\n            words.unshift(session.getTextRange(range));\n        }\n\n        if (dir < 0)\n            words.unshift(words.pop());\n        else\n            words.push(words.shift());\n\n        for (var i = all.length; i--; ) {\n            var range = all[i];\n            var tmp = range.clone();\n            session.replace(range, words[i]);\n            range.start.row = tmp.start.row;\n            range.start.column = tmp.start.column;\n        }\n        sel.fromOrientedRange(sel.ranges[0]);\n    };\n    this.selectMore = function(dir, skip, stopAtFirst) {\n        var session = this.session;\n        var sel = session.multiSelect;\n\n        var range = sel.toOrientedRange();\n        if (range.isEmpty()) {\n            range = session.getWordRange(range.start.row, range.start.column);\n            range.cursor = dir == -1 ? range.start : range.end;\n            this.multiSelect.addRange(range);\n            if (stopAtFirst)\n                return;\n        }\n        var needle = session.getTextRange(range);\n\n        var newRange = find(session, needle, dir);\n        if (newRange) {\n            newRange.cursor = dir == -1 ? newRange.start : newRange.end;\n            this.session.unfold(newRange);\n            this.multiSelect.addRange(newRange);\n            this.renderer.scrollCursorIntoView(null, 0.5);\n        }\n        if (skip)\n            this.multiSelect.substractPoint(range.cursor);\n    };\n    this.alignCursors = function() {\n        var session = this.session;\n        var sel = session.multiSelect;\n        var ranges = sel.ranges;\n        var row = -1;\n        var sameRowRanges = ranges.filter(function(r) {\n            if (r.cursor.row == row)\n                return true;\n            row = r.cursor.row;\n        });\n        \n        if (!ranges.length || sameRowRanges.length == ranges.length - 1) {\n            var range = this.selection.getRange();\n            var fr = range.start.row, lr = range.end.row;\n            var guessRange = fr == lr;\n            if (guessRange) {\n                var max = this.session.getLength();\n                var line;\n                do {\n                    line = this.session.getLine(lr);\n                } while (/[=:]/.test(line) && ++lr < max);\n                do {\n                    line = this.session.getLine(fr);\n                } while (/[=:]/.test(line) && --fr > 0);\n                \n                if (fr < 0) fr = 0;\n                if (lr >= max) lr = max - 1;\n            }\n            var lines = this.session.removeFullLines(fr, lr);\n            lines = this.$reAlignText(lines, guessRange);\n            this.session.insert({row: fr, column: 0}, lines.join(\"\\n\") + \"\\n\");\n            if (!guessRange) {\n                range.start.column = 0;\n                range.end.column = lines[lines.length - 1].length;\n            }\n            this.selection.setRange(range);\n        } else {\n            sameRowRanges.forEach(function(r) {\n                sel.substractPoint(r.cursor);\n            });\n\n            var maxCol = 0;\n            var minSpace = Infinity;\n            var spaceOffsets = ranges.map(function(r) {\n                var p = r.cursor;\n                var line = session.getLine(p.row);\n                var spaceOffset = line.substr(p.column).search(/\\S/g);\n                if (spaceOffset == -1)\n                    spaceOffset = 0;\n\n                if (p.column > maxCol)\n                    maxCol = p.column;\n                if (spaceOffset < minSpace)\n                    minSpace = spaceOffset;\n                return spaceOffset;\n            });\n            ranges.forEach(function(r, i) {\n                var p = r.cursor;\n                var l = maxCol - p.column;\n                var d = spaceOffsets[i] - minSpace;\n                if (l > d)\n                    session.insert(p, lang.stringRepeat(\" \", l - d));\n                else\n                    session.remove(new Range(p.row, p.column, p.row, p.column - l + d));\n\n                r.start.column = r.end.column = maxCol;\n                r.start.row = r.end.row = p.row;\n                r.cursor = r.end;\n            });\n            sel.fromOrientedRange(ranges[0]);\n            this.renderer.updateCursor();\n            this.renderer.updateBackMarkers();\n        }\n    };\n\n    this.$reAlignText = function(lines, forceLeft) {\n        var isLeftAligned = true, isRightAligned = true;\n        var startW, textW, endW;\n\n        return lines.map(function(line) {\n            var m = line.match(/(\\s*)(.*?)(\\s*)([=:].*)/);\n            if (!m)\n                return [line];\n\n            if (startW == null) {\n                startW = m[1].length;\n                textW = m[2].length;\n                endW = m[3].length;\n                return m;\n            }\n\n            if (startW + textW + endW != m[1].length + m[2].length + m[3].length)\n                isRightAligned = false;\n            if (startW != m[1].length)\n                isLeftAligned = false;\n\n            if (startW > m[1].length)\n                startW = m[1].length;\n            if (textW < m[2].length)\n                textW = m[2].length;\n            if (endW > m[3].length)\n                endW = m[3].length;\n\n            return m;\n        }).map(forceLeft ? alignLeft :\n            isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);\n\n        function spaces(n) {\n            return lang.stringRepeat(\" \", n);\n        }\n\n        function alignLeft(m) {\n            return !m[2] ? m[0] : spaces(startW) + m[2]\n                + spaces(textW - m[2].length + endW)\n                + m[4].replace(/^([=:])\\s+/, \"$1 \");\n        }\n        function alignRight(m) {\n            return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]\n                + spaces(endW)\n                + m[4].replace(/^([=:])\\s+/, \"$1 \");\n        }\n        function unAlign(m) {\n            return !m[2] ? m[0] : spaces(startW) + m[2]\n                + spaces(endW)\n                + m[4].replace(/^([=:])\\s+/, \"$1 \");\n        }\n    };\n}).call(Editor.prototype);\n\n\nfunction isSamePoint(p1, p2) {\n    return p1.row == p2.row && p1.column == p2.column;\n}\nexports.onSessionChange = function(e) {\n    var session = e.session;\n    if (session && !session.multiSelect) {\n        session.$selectionMarkers = [];\n        session.selection.$initRangeList();\n        session.multiSelect = session.selection;\n    }\n    this.multiSelect = session && session.multiSelect;\n\n    var oldSession = e.oldSession;\n    if (oldSession) {\n        oldSession.multiSelect.off(\"addRange\", this.$onAddRange);\n        oldSession.multiSelect.off(\"removeRange\", this.$onRemoveRange);\n        oldSession.multiSelect.off(\"multiSelect\", this.$onMultiSelect);\n        oldSession.multiSelect.off(\"singleSelect\", this.$onSingleSelect);\n        oldSession.multiSelect.lead.off(\"change\", this.$checkMultiselectChange);\n        oldSession.multiSelect.anchor.off(\"change\", this.$checkMultiselectChange);\n    }\n\n    if (session) {\n        session.multiSelect.on(\"addRange\", this.$onAddRange);\n        session.multiSelect.on(\"removeRange\", this.$onRemoveRange);\n        session.multiSelect.on(\"multiSelect\", this.$onMultiSelect);\n        session.multiSelect.on(\"singleSelect\", this.$onSingleSelect);\n        session.multiSelect.lead.on(\"change\", this.$checkMultiselectChange);\n        session.multiSelect.anchor.on(\"change\", this.$checkMultiselectChange);\n    }\n\n    if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {\n        if (session.selection.inMultiSelectMode)\n            this.$onMultiSelect();\n        else\n            this.$onSingleSelect();\n    }\n};\nfunction MultiSelect(editor) {\n    if (editor.$multiselectOnSessionChange)\n        return;\n    editor.$onAddRange = editor.$onAddRange.bind(editor);\n    editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);\n    editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);\n    editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);\n    editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);\n    editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);\n\n    editor.$multiselectOnSessionChange(editor);\n    editor.on(\"changeSession\", editor.$multiselectOnSessionChange);\n\n    editor.on(\"mousedown\", onMouseDown);\n    editor.commands.addCommands(commands.defaultCommands);\n\n    addAltCursorListeners(editor);\n}\n\nfunction addAltCursorListeners(editor){\n    if (!editor.textInput) return;\n    var el = editor.textInput.getElement();\n    var altCursor = false;\n    event.addListener(el, \"keydown\", function(e) {\n        var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);\n        if (editor.$blockSelectEnabled && altDown) {\n            if (!altCursor) {\n                editor.renderer.setMouseCursor(\"crosshair\");\n                altCursor = true;\n            }\n        } else if (altCursor) {\n            reset();\n        }\n    }, editor);\n\n    event.addListener(el, \"keyup\", reset, editor);\n    event.addListener(el, \"blur\", reset, editor);\n    function reset(e) {\n        if (altCursor) {\n            editor.renderer.setMouseCursor(\"\");\n            altCursor = false;\n        }\n    }\n}\n\nexports.MultiSelect = MultiSelect;\n\n\nrequire(\"./config\").defineOptions(Editor.prototype, \"editor\", {\n    enableMultiselect: {\n        set: function(val) {\n            MultiSelect(this);\n            if (val) {\n                this.on(\"changeSession\", this.$multiselectOnSessionChange);\n                this.on(\"mousedown\", onMouseDown);\n            } else {\n                this.off(\"changeSession\", this.$multiselectOnSessionChange);\n                this.off(\"mousedown\", onMouseDown);\n            }\n        },\n        value: true\n    },\n    enableBlockSelect: {\n        set: function(val) {\n            this.$blockSelectEnabled = val;\n        },\n        value: true\n    }\n});\n\n\n\n});\n\nace.define(\"ace/mode/folding/fold_mode\",[\"require\",\"exports\",\"module\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\n\nvar Range = require(\"../../range\").Range;\n\nvar FoldMode = exports.FoldMode = function() {};\n\n(function() {\n\n    this.foldingStartMarker = null;\n    this.foldingStopMarker = null;\n    this.getFoldWidget = function(session, foldStyle, row) {\n        var line = session.getLine(row);\n        if (this.foldingStartMarker.test(line))\n            return \"start\";\n        if (foldStyle == \"markbeginend\"\n                && this.foldingStopMarker\n                && this.foldingStopMarker.test(line))\n            return \"end\";\n        return \"\";\n    };\n\n    this.getFoldWidgetRange = function(session, foldStyle, row) {\n        return null;\n    };\n\n    this.indentationBlock = function(session, row, column) {\n        var re = /\\S/;\n        var line = session.getLine(row);\n        var startLevel = line.search(re);\n        if (startLevel == -1)\n            return;\n\n        var startColumn = column || line.length;\n        var maxRow = session.getLength();\n        var startRow = row;\n        var endRow = row;\n\n        while (++row < maxRow) {\n            var level = session.getLine(row).search(re);\n\n            if (level == -1)\n                continue;\n\n            if (level <= startLevel) {\n                var token = session.getTokenAt(row, 0);\n                if (!token || token.type !== \"string\")\n                    break;\n            }\n\n            endRow = row;\n        }\n\n        if (endRow > startRow) {\n            var endColumn = session.getLine(endRow).length;\n            return new Range(startRow, startColumn, endRow, endColumn);\n        }\n    };\n\n    this.openingBracketBlock = function(session, bracket, row, column, typeRe) {\n        var start = {row: row, column: column + 1};\n        var end = session.$findClosingBracket(bracket, start, typeRe);\n        if (!end)\n            return;\n\n        var fw = session.foldWidgets[end.row];\n        if (fw == null)\n            fw = session.getFoldWidget(end.row);\n\n        if (fw == \"start\" && end.row > start.row) {\n            end.row --;\n            end.column = session.getLine(end.row).length;\n        }\n        return Range.fromPoints(start, end);\n    };\n\n    this.closingBracketBlock = function(session, bracket, row, column, typeRe) {\n        var end = {row: row, column: column};\n        var start = session.$findOpeningBracket(bracket, end);\n\n        if (!start)\n            return;\n\n        start.column++;\n        end.column--;\n\n        return  Range.fromPoints(start, end);\n    };\n}).call(FoldMode.prototype);\n\n});\n\nace.define(\"ace/theme/textmate\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nexports.isDark = false;\nexports.cssClass = \"ace-tm\";\nexports.cssText = \".ace-tm .ace_gutter {\\\nbackground: #f0f0f0;\\\ncolor: #333;\\\n}\\\n.ace-tm .ace_print-margin {\\\nwidth: 1px;\\\nbackground: #e8e8e8;\\\n}\\\n.ace-tm .ace_fold {\\\nbackground-color: #6B72E6;\\\n}\\\n.ace-tm {\\\nbackground-color: #FFFFFF;\\\ncolor: black;\\\n}\\\n.ace-tm .ace_cursor {\\\ncolor: black;\\\n}\\\n.ace-tm .ace_invisible {\\\ncolor: rgb(191, 191, 191);\\\n}\\\n.ace-tm .ace_storage,\\\n.ace-tm .ace_keyword {\\\ncolor: blue;\\\n}\\\n.ace-tm .ace_constant {\\\ncolor: rgb(197, 6, 11);\\\n}\\\n.ace-tm .ace_constant.ace_buildin {\\\ncolor: rgb(88, 72, 246);\\\n}\\\n.ace-tm .ace_constant.ace_language {\\\ncolor: rgb(88, 92, 246);\\\n}\\\n.ace-tm .ace_constant.ace_library {\\\ncolor: rgb(6, 150, 14);\\\n}\\\n.ace-tm .ace_invalid {\\\nbackground-color: rgba(255, 0, 0, 0.1);\\\ncolor: red;\\\n}\\\n.ace-tm .ace_support.ace_function {\\\ncolor: rgb(60, 76, 114);\\\n}\\\n.ace-tm .ace_support.ace_constant {\\\ncolor: rgb(6, 150, 14);\\\n}\\\n.ace-tm .ace_support.ace_type,\\\n.ace-tm .ace_support.ace_class {\\\ncolor: rgb(109, 121, 222);\\\n}\\\n.ace-tm .ace_keyword.ace_operator {\\\ncolor: rgb(104, 118, 135);\\\n}\\\n.ace-tm .ace_string {\\\ncolor: rgb(3, 106, 7);\\\n}\\\n.ace-tm .ace_comment {\\\ncolor: rgb(76, 136, 107);\\\n}\\\n.ace-tm .ace_comment.ace_doc {\\\ncolor: rgb(0, 102, 255);\\\n}\\\n.ace-tm .ace_comment.ace_doc.ace_tag {\\\ncolor: rgb(128, 159, 191);\\\n}\\\n.ace-tm .ace_constant.ace_numeric {\\\ncolor: rgb(0, 0, 205);\\\n}\\\n.ace-tm .ace_variable {\\\ncolor: rgb(49, 132, 149);\\\n}\\\n.ace-tm .ace_xml-pe {\\\ncolor: rgb(104, 104, 91);\\\n}\\\n.ace-tm .ace_entity.ace_name.ace_function {\\\ncolor: #0000A2;\\\n}\\\n.ace-tm .ace_heading {\\\ncolor: rgb(12, 7, 255);\\\n}\\\n.ace-tm .ace_list {\\\ncolor:rgb(185, 6, 144);\\\n}\\\n.ace-tm .ace_meta.ace_tag {\\\ncolor:rgb(0, 22, 142);\\\n}\\\n.ace-tm .ace_string.ace_regex {\\\ncolor: rgb(255, 0, 0)\\\n}\\\n.ace-tm .ace_marker-layer .ace_selection {\\\nbackground: rgb(181, 213, 255);\\\n}\\\n.ace-tm.ace_multiselect .ace_selection.ace_start {\\\nbox-shadow: 0 0 3px 0px white;\\\n}\\\n.ace-tm .ace_marker-layer .ace_step {\\\nbackground: rgb(252, 255, 0);\\\n}\\\n.ace-tm .ace_marker-layer .ace_stack {\\\nbackground: rgb(164, 229, 101);\\\n}\\\n.ace-tm .ace_marker-layer .ace_bracket {\\\nmargin: -1px 0 0 -1px;\\\nborder: 1px solid rgb(192, 192, 192);\\\n}\\\n.ace-tm .ace_marker-layer .ace_active-line {\\\nbackground: rgba(0, 0, 0, 0.07);\\\n}\\\n.ace-tm .ace_gutter-active-line {\\\nbackground-color : #dcdcdc;\\\n}\\\n.ace-tm .ace_marker-layer .ace_selected-word {\\\nbackground: rgb(250, 250, 255);\\\nborder: 1px solid rgb(200, 200, 250);\\\n}\\\n.ace-tm .ace_indent-guide {\\\nbackground: url(\\\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\\\") right repeat-y;\\\n}\\\n\";\nexports.$id = \"ace/theme/textmate\";\n\nvar dom = require(\"../lib/dom\");\ndom.importCssString(exports.cssText, exports.cssClass);\n});\n\nace.define(\"ace/line_widgets\",[\"require\",\"exports\",\"module\",\"ace/lib/dom\"], function(require, exports, module) {\n\"use strict\";\n\nvar dom = require(\"./lib/dom\");\n\nfunction LineWidgets(session) {\n    this.session = session;\n    this.session.widgetManager = this;\n    this.session.getRowLength = this.getRowLength;\n    this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;\n    this.updateOnChange = this.updateOnChange.bind(this);\n    this.renderWidgets = this.renderWidgets.bind(this);\n    this.measureWidgets = this.measureWidgets.bind(this);\n    this.session._changedWidgets = [];\n    this.$onChangeEditor = this.$onChangeEditor.bind(this);\n    \n    this.session.on(\"change\", this.updateOnChange);\n    this.session.on(\"changeFold\", this.updateOnFold);\n    this.session.on(\"changeEditor\", this.$onChangeEditor);\n}\n\n(function() {\n    this.getRowLength = function(row) {\n        var h;\n        if (this.lineWidgets)\n            h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;\n        else \n            h = 0;\n        if (!this.$useWrapMode || !this.$wrapData[row]) {\n            return 1 + h;\n        } else {\n            return this.$wrapData[row].length + 1 + h;\n        }\n    };\n\n    this.$getWidgetScreenLength = function() {\n        var screenRows = 0;\n        this.lineWidgets.forEach(function(w){\n            if (w && w.rowCount && !w.hidden)\n                screenRows += w.rowCount;\n        });\n        return screenRows;\n    };    \n    \n    this.$onChangeEditor = function(e) {\n        this.attach(e.editor);\n    };\n    \n    this.attach = function(editor) {\n        if (editor  && editor.widgetManager && editor.widgetManager != this)\n            editor.widgetManager.detach();\n\n        if (this.editor == editor)\n            return;\n\n        this.detach();\n        this.editor = editor;\n        \n        if (editor) {\n            editor.widgetManager = this;\n            editor.renderer.on(\"beforeRender\", this.measureWidgets);\n            editor.renderer.on(\"afterRender\", this.renderWidgets);\n        }\n    };\n    this.detach = function(e) {\n        var editor = this.editor;\n        if (!editor)\n            return;\n        \n        this.editor = null;\n        editor.widgetManager = null;\n        \n        editor.renderer.off(\"beforeRender\", this.measureWidgets);\n        editor.renderer.off(\"afterRender\", this.renderWidgets);\n        var lineWidgets = this.session.lineWidgets;\n        lineWidgets && lineWidgets.forEach(function(w) {\n            if (w && w.el && w.el.parentNode) {\n                w._inDocument = false;\n                w.el.parentNode.removeChild(w.el);\n            }\n        });\n    };\n\n    this.updateOnFold = function(e, session) {\n        var lineWidgets = session.lineWidgets;\n        if (!lineWidgets || !e.action)\n            return;\n        var fold = e.data;\n        var start = fold.start.row;\n        var end = fold.end.row;\n        var hide = e.action == \"add\";\n        for (var i = start + 1; i < end; i++) {\n            if (lineWidgets[i])\n                lineWidgets[i].hidden = hide;\n        }\n        if (lineWidgets[end]) {\n            if (hide) {\n                if (!lineWidgets[start])\n                    lineWidgets[start] = lineWidgets[end];\n                else\n                    lineWidgets[end].hidden = hide;\n            } else {\n                if (lineWidgets[start] == lineWidgets[end])\n                    lineWidgets[start] = undefined;\n                lineWidgets[end].hidden = hide;\n            }\n        }\n    };\n    \n    this.updateOnChange = function(delta) {\n        var lineWidgets = this.session.lineWidgets;\n        if (!lineWidgets) return;\n        \n        var startRow = delta.start.row;\n        var len = delta.end.row - startRow;\n\n        if (len === 0) {\n        } else if (delta.action == \"remove\") {\n            var removed = lineWidgets.splice(startRow + 1, len);\n            if (!lineWidgets[startRow] && removed[removed.length - 1]) {\n                lineWidgets[startRow] = removed.pop();\n            }\n            removed.forEach(function(w) {\n                w && this.removeLineWidget(w);\n            }, this);\n            this.$updateRows();\n        } else {\n            var args = new Array(len);\n            if (lineWidgets[startRow] && lineWidgets[startRow].column != null) {\n                if (delta.start.column > lineWidgets[startRow].column)\n                    startRow++;\n            }\n            args.unshift(startRow, 0);\n            lineWidgets.splice.apply(lineWidgets, args);\n            this.$updateRows();\n        }\n    };\n    \n    this.$updateRows = function() {\n        var lineWidgets = this.session.lineWidgets;\n        if (!lineWidgets) return;\n        var noWidgets = true;\n        lineWidgets.forEach(function(w, i) {\n            if (w) {\n                noWidgets = false;\n                w.row = i;\n                while (w.$oldWidget) {\n                    w.$oldWidget.row = i;\n                    w = w.$oldWidget;\n                }\n            }\n        });\n        if (noWidgets)\n            this.session.lineWidgets = null;\n    };\n\n    this.$registerLineWidget = function(w) {\n        if (!this.session.lineWidgets)\n            this.session.lineWidgets = new Array(this.session.getLength());\n        \n        var old = this.session.lineWidgets[w.row];\n        if (old) {\n            w.$oldWidget = old;\n            if (old.el && old.el.parentNode) {\n                old.el.parentNode.removeChild(old.el);\n                old._inDocument = false;\n            }\n        }\n            \n        this.session.lineWidgets[w.row] = w;\n        return w;\n    };\n    \n    this.addLineWidget = function(w) {\n        this.$registerLineWidget(w);\n        w.session = this.session;\n        \n        if (!this.editor) return w;\n        \n        var renderer = this.editor.renderer;\n        if (w.html && !w.el) {\n            w.el = dom.createElement(\"div\");\n            w.el.innerHTML = w.html;\n        }\n        if (w.el) {\n            dom.addCssClass(w.el, \"ace_lineWidgetContainer\");\n            w.el.style.position = \"absolute\";\n            w.el.style.zIndex = 5;\n            renderer.container.appendChild(w.el);\n            w._inDocument = true;\n            \n            if (!w.coverGutter) {\n                w.el.style.zIndex = 3;\n            }\n            if (w.pixelHeight == null) {\n                w.pixelHeight = w.el.offsetHeight;\n            }\n        }\n        if (w.rowCount == null) {\n            w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;\n        }\n        \n        var fold = this.session.getFoldAt(w.row, 0);\n        w.$fold = fold;\n        if (fold) {\n            var lineWidgets = this.session.lineWidgets;\n            if (w.row == fold.end.row && !lineWidgets[fold.start.row])\n                lineWidgets[fold.start.row] = w;\n            else\n                w.hidden = true;\n        }\n            \n        this.session._emit(\"changeFold\", {data:{start:{row: w.row}}});\n        \n        this.$updateRows();\n        this.renderWidgets(null, renderer);\n        this.onWidgetChanged(w);\n        return w;\n    };\n    \n    this.removeLineWidget = function(w) {\n        w._inDocument = false;\n        w.session = null;\n        if (w.el && w.el.parentNode)\n            w.el.parentNode.removeChild(w.el);\n        if (w.editor && w.editor.destroy) try {\n            w.editor.destroy();\n        } catch(e){}\n        if (this.session.lineWidgets) {\n            var w1 = this.session.lineWidgets[w.row];\n            if (w1 == w) {\n                this.session.lineWidgets[w.row] = w.$oldWidget;\n                if (w.$oldWidget)\n                    this.onWidgetChanged(w.$oldWidget);\n            } else {\n                while (w1) {\n                    if (w1.$oldWidget == w) {\n                        w1.$oldWidget = w.$oldWidget;\n                        break;\n                    }\n                    w1 = w1.$oldWidget;\n                }\n            }\n        }\n        this.session._emit(\"changeFold\", {data:{start:{row: w.row}}});\n        this.$updateRows();\n    };\n    \n    this.getWidgetsAtRow = function(row) {\n        var lineWidgets = this.session.lineWidgets;\n        var w = lineWidgets && lineWidgets[row];\n        var list = [];\n        while (w) {\n            list.push(w);\n            w = w.$oldWidget;\n        }\n        return list;\n    };\n    \n    this.onWidgetChanged = function(w) {\n        this.session._changedWidgets.push(w);\n        this.editor && this.editor.renderer.updateFull();\n    };\n    \n    this.measureWidgets = function(e, renderer) {\n        var changedWidgets = this.session._changedWidgets;\n        var config = renderer.layerConfig;\n        \n        if (!changedWidgets || !changedWidgets.length) return;\n        var min = Infinity;\n        for (var i = 0; i < changedWidgets.length; i++) {\n            var w = changedWidgets[i];\n            if (!w || !w.el) continue;\n            if (w.session != this.session) continue;\n            if (!w._inDocument) {\n                if (this.session.lineWidgets[w.row] != w)\n                    continue;\n                w._inDocument = true;\n                renderer.container.appendChild(w.el);\n            }\n            \n            w.h = w.el.offsetHeight;\n            \n            if (!w.fixedWidth) {\n                w.w = w.el.offsetWidth;\n                w.screenWidth = Math.ceil(w.w / config.characterWidth);\n            }\n            \n            var rowCount = w.h / config.lineHeight;\n            if (w.coverLine) {\n                rowCount -= this.session.getRowLineCount(w.row);\n                if (rowCount < 0)\n                    rowCount = 0;\n            }\n            if (w.rowCount != rowCount) {\n                w.rowCount = rowCount;\n                if (w.row < min)\n                    min = w.row;\n            }\n        }\n        if (min != Infinity) {\n            this.session._emit(\"changeFold\", {data:{start:{row: min}}});\n            this.session.lineWidgetWidth = null;\n        }\n        this.session._changedWidgets = [];\n    };\n    \n    this.renderWidgets = function(e, renderer) {\n        var config = renderer.layerConfig;\n        var lineWidgets = this.session.lineWidgets;\n        if (!lineWidgets)\n            return;\n        var first = Math.min(this.firstRow, config.firstRow);\n        var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);\n        \n        while (first > 0 && !lineWidgets[first])\n            first--;\n        \n        this.firstRow = config.firstRow;\n        this.lastRow = config.lastRow;\n\n        renderer.$cursorLayer.config = config;\n        for (var i = first; i <= last; i++) {\n            var w = lineWidgets[i];\n            if (!w || !w.el) continue;\n            if (w.hidden) {\n                w.el.style.top = -100 - (w.pixelHeight || 0) + \"px\";\n                continue;\n            }\n            if (!w._inDocument) {\n                w._inDocument = true;\n                renderer.container.appendChild(w.el);\n            }\n            var top = renderer.$cursorLayer.getPixelPosition({row: i, column:0}, true).top;\n            if (!w.coverLine)\n                top += config.lineHeight * this.session.getRowLineCount(w.row);\n            w.el.style.top = top - config.offset + \"px\";\n            \n            var left = w.coverGutter ? 0 : renderer.gutterWidth;\n            if (!w.fixedWidth)\n                left -= renderer.scrollLeft;\n            w.el.style.left = left + \"px\";\n            \n            if (w.fullWidth && w.screenWidth) {\n                w.el.style.minWidth = config.width + 2 * config.padding + \"px\";\n            }\n            \n            if (w.fixedWidth) {\n                w.el.style.right = renderer.scrollBar.getWidth() + \"px\";\n            } else {\n                w.el.style.right = \"\";\n            }\n        }\n    };\n    \n}).call(LineWidgets.prototype);\n\n\nexports.LineWidgets = LineWidgets;\n\n});\n\nace.define(\"ace/ext/error_marker\",[\"require\",\"exports\",\"module\",\"ace/line_widgets\",\"ace/lib/dom\",\"ace/range\"], function(require, exports, module) {\n\"use strict\";\nvar LineWidgets = require(\"../line_widgets\").LineWidgets;\nvar dom = require(\"../lib/dom\");\nvar Range = require(\"../range\").Range;\n\nfunction binarySearch(array, needle, comparator) {\n    var first = 0;\n    var last = array.length - 1;\n\n    while (first <= last) {\n        var mid = (first + last) >> 1;\n        var c = comparator(needle, array[mid]);\n        if (c > 0)\n            first = mid + 1;\n        else if (c < 0)\n            last = mid - 1;\n        else\n            return mid;\n    }\n    return -(first + 1);\n}\n\nfunction findAnnotations(session, row, dir) {\n    var annotations = session.getAnnotations().sort(Range.comparePoints);\n    if (!annotations.length)\n        return;\n    \n    var i = binarySearch(annotations, {row: row, column: -1}, Range.comparePoints);\n    if (i < 0)\n        i = -i - 1;\n    \n    if (i >= annotations.length)\n        i = dir > 0 ? 0 : annotations.length - 1;\n    else if (i === 0 && dir < 0)\n        i = annotations.length - 1;\n    \n    var annotation = annotations[i];\n    if (!annotation || !dir)\n        return;\n\n    if (annotation.row === row) {\n        do {\n            annotation = annotations[i += dir];\n        } while (annotation && annotation.row === row);\n        if (!annotation)\n            return annotations.slice();\n    }\n    \n    \n    var matched = [];\n    row = annotation.row;\n    do {\n        matched[dir < 0 ? \"unshift\" : \"push\"](annotation);\n        annotation = annotations[i += dir];\n    } while (annotation && annotation.row == row);\n    return matched.length && matched;\n}\n\nexports.showErrorMarker = function(editor, dir) {\n    var session = editor.session;\n    if (!session.widgetManager) {\n        session.widgetManager = new LineWidgets(session);\n        session.widgetManager.attach(editor);\n    }\n    \n    var pos = editor.getCursorPosition();\n    var row = pos.row;\n    var oldWidget = session.widgetManager.getWidgetsAtRow(row).filter(function(w) {\n        return w.type == \"errorMarker\";\n    })[0];\n    if (oldWidget) {\n        oldWidget.destroy();\n    } else {\n        row -= dir;\n    }\n    var annotations = findAnnotations(session, row, dir);\n    var gutterAnno;\n    if (annotations) {\n        var annotation = annotations[0];\n        pos.column = (annotation.pos && typeof annotation.column != \"number\"\n            ? annotation.pos.sc\n            : annotation.column) || 0;\n        pos.row = annotation.row;\n        gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];\n    } else if (oldWidget) {\n        return;\n    } else {\n        gutterAnno = {\n            text: [\"Looks good!\"],\n            className: \"ace_ok\"\n        };\n    }\n    editor.session.unfold(pos.row);\n    editor.selection.moveToPosition(pos);\n    \n    var w = {\n        row: pos.row, \n        fixedWidth: true,\n        coverGutter: true,\n        el: dom.createElement(\"div\"),\n        type: \"errorMarker\"\n    };\n    var el = w.el.appendChild(dom.createElement(\"div\"));\n    var arrow = w.el.appendChild(dom.createElement(\"div\"));\n    arrow.className = \"error_widget_arrow \" + gutterAnno.className;\n    \n    var left = editor.renderer.$cursorLayer\n        .getPixelPosition(pos).left;\n    arrow.style.left = left + editor.renderer.gutterWidth - 5 + \"px\";\n    \n    w.el.className = \"error_widget_wrapper\";\n    el.className = \"error_widget \" + gutterAnno.className;\n    el.innerHTML = gutterAnno.text.join(\"<br>\");\n    \n    el.appendChild(dom.createElement(\"div\"));\n    \n    var kb = function(_, hashId, keyString) {\n        if (hashId === 0 && (keyString === \"esc\" || keyString === \"return\")) {\n            w.destroy();\n            return {command: \"null\"};\n        }\n    };\n    \n    w.destroy = function() {\n        if (editor.$mouseHandler.isMousePressed)\n            return;\n        editor.keyBinding.removeKeyboardHandler(kb);\n        session.widgetManager.removeLineWidget(w);\n        editor.off(\"changeSelection\", w.destroy);\n        editor.off(\"changeSession\", w.destroy);\n        editor.off(\"mouseup\", w.destroy);\n        editor.off(\"change\", w.destroy);\n    };\n    \n    editor.keyBinding.addKeyboardHandler(kb);\n    editor.on(\"changeSelection\", w.destroy);\n    editor.on(\"changeSession\", w.destroy);\n    editor.on(\"mouseup\", w.destroy);\n    editor.on(\"change\", w.destroy);\n    \n    editor.session.widgetManager.addLineWidget(w);\n    \n    w.el.onmousedown = editor.focus.bind(editor);\n    \n    editor.renderer.scrollCursorIntoView(null, 0.5, {bottom: w.el.offsetHeight});\n};\n\n\ndom.importCssString(\"\\\n    .error_widget_wrapper {\\\n        background: inherit;\\\n        color: inherit;\\\n        border:none\\\n    }\\\n    .error_widget {\\\n        border-top: solid 2px;\\\n        border-bottom: solid 2px;\\\n        margin: 5px 0;\\\n        padding: 10px 40px;\\\n        white-space: pre-wrap;\\\n    }\\\n    .error_widget.ace_error, .error_widget_arrow.ace_error{\\\n        border-color: #ff5a5a\\\n    }\\\n    .error_widget.ace_warning, .error_widget_arrow.ace_warning{\\\n        border-color: #F1D817\\\n    }\\\n    .error_widget.ace_info, .error_widget_arrow.ace_info{\\\n        border-color: #5a5a5a\\\n    }\\\n    .error_widget.ace_ok, .error_widget_arrow.ace_ok{\\\n        border-color: #5aaa5a\\\n    }\\\n    .error_widget_arrow {\\\n        position: absolute;\\\n        border: solid 5px;\\\n        border-top-color: transparent!important;\\\n        border-right-color: transparent!important;\\\n        border-left-color: transparent!important;\\\n        top: -5px;\\\n    }\\\n\", \"\");\n\n});\n\nace.define(\"ace/ace\",[\"require\",\"exports\",\"module\",\"ace/lib/fixoldbrowsers\",\"ace/lib/dom\",\"ace/lib/event\",\"ace/range\",\"ace/editor\",\"ace/edit_session\",\"ace/undomanager\",\"ace/virtual_renderer\",\"ace/worker/worker_client\",\"ace/keyboard/hash_handler\",\"ace/placeholder\",\"ace/multi_select\",\"ace/mode/folding/fold_mode\",\"ace/theme/textmate\",\"ace/ext/error_marker\",\"ace/config\"], function(require, exports, module) {\n\"use strict\";\n\nrequire(\"./lib/fixoldbrowsers\");\n\nvar dom = require(\"./lib/dom\");\nvar event = require(\"./lib/event\");\n\nvar Range = require(\"./range\").Range;\nvar Editor = require(\"./editor\").Editor;\nvar EditSession = require(\"./edit_session\").EditSession;\nvar UndoManager = require(\"./undomanager\").UndoManager;\nvar Renderer = require(\"./virtual_renderer\").VirtualRenderer;\nrequire(\"./worker/worker_client\");\nrequire(\"./keyboard/hash_handler\");\nrequire(\"./placeholder\");\nrequire(\"./multi_select\");\nrequire(\"./mode/folding/fold_mode\");\nrequire(\"./theme/textmate\");\nrequire(\"./ext/error_marker\");\n\nexports.config = require(\"./config\");\nexports.require = require;\n\nif (true)\n    exports.define = __webpack_require__.amdD;\nexports.edit = function(el, options) {\n    if (typeof el == \"string\") {\n        var _id = el;\n        el = document.getElementById(_id);\n        if (!el)\n            throw new Error(\"ace.edit can't find div #\" + _id);\n    }\n\n    if (el && el.env && el.env.editor instanceof Editor)\n        return el.env.editor;\n\n    var value = \"\";\n    if (el && /input|textarea/i.test(el.tagName)) {\n        var oldNode = el;\n        value = oldNode.value;\n        el = dom.createElement(\"pre\");\n        oldNode.parentNode.replaceChild(el, oldNode);\n    } else if (el) {\n        value = el.textContent;\n        el.innerHTML = \"\";\n    }\n\n    var doc = exports.createEditSession(value);\n\n    var editor = new Editor(new Renderer(el), doc, options);\n\n    var env = {\n        document: doc,\n        editor: editor,\n        onResize: editor.resize.bind(editor, null)\n    };\n    if (oldNode) env.textarea = oldNode;\n    event.addListener(window, \"resize\", env.onResize);\n    editor.on(\"destroy\", function() {\n        event.removeListener(window, \"resize\", env.onResize);\n        env.editor.container.env = null; // prevent memory leak on old ie\n    });\n    editor.container.env = editor.env = env;\n    return editor;\n};\nexports.createEditSession = function(text, mode) {\n    var doc = new EditSession(text, mode);\n    doc.setUndoManager(new UndoManager());\n    return doc;\n};\nexports.Range = Range;\nexports.Editor = Editor;\nexports.EditSession = EditSession;\nexports.UndoManager = UndoManager;\nexports.VirtualRenderer = Renderer;\nexports.version = exports.config.version;\n});            (function() {\n                ace.require([\"ace/ace\"], function(a) {\n                    if (a) {\n                        a.config.init(true);\n                        a.define = ace.define;\n                    }\n                    if (!window.ace)\n                        window.ace = a;\n                    for (var key in a) if (a.hasOwnProperty(key))\n                        window.ace[key] = a[key];\n                    window.ace[\"default\"] = window.ace;\n                    if ( true && module) {\n                        module.exports = window.ace;\n                    }\n                });\n            })();\n        \n\n//# sourceURL=webpack://ReactAce/./node_modules/ace-builds/src-noconflict/ace.js?");

/***/ }),

/***/ "./node_modules/ace-builds/src-noconflict/ext-split.js":
/*!*************************************************************!*\
  !*** ./node_modules/ace-builds/src-noconflict/ext-split.js ***!
  \*************************************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

eval("/* module decorator */ module = __webpack_require__.nmd(module);\nace.define(\"ace/split\",[\"require\",\"exports\",\"module\",\"ace/lib/oop\",\"ace/lib/lang\",\"ace/lib/event_emitter\",\"ace/editor\",\"ace/virtual_renderer\",\"ace/edit_session\"], function(require, exports, module) {\n\"use strict\";\n\nvar oop = require(\"./lib/oop\");\nvar lang = require(\"./lib/lang\");\nvar EventEmitter = require(\"./lib/event_emitter\").EventEmitter;\n\nvar Editor = require(\"./editor\").Editor;\nvar Renderer = require(\"./virtual_renderer\").VirtualRenderer;\nvar EditSession = require(\"./edit_session\").EditSession;\n\n\nvar Split = function(container, theme, splits) {\n    this.BELOW = 1;\n    this.BESIDE = 0;\n\n    this.$container = container;\n    this.$theme = theme;\n    this.$splits = 0;\n    this.$editorCSS = \"\";\n    this.$editors = [];\n    this.$orientation = this.BESIDE;\n\n    this.setSplits(splits || 1);\n    this.$cEditor = this.$editors[0];\n\n\n    this.on(\"focus\", function(editor) {\n        this.$cEditor = editor;\n    }.bind(this));\n};\n\n(function(){\n\n    oop.implement(this, EventEmitter);\n\n    this.$createEditor = function() {\n        var el = document.createElement(\"div\");\n        el.className = this.$editorCSS;\n        el.style.cssText = \"position: absolute; top:0px; bottom:0px\";\n        this.$container.appendChild(el);\n        var editor = new Editor(new Renderer(el, this.$theme));\n\n        editor.on(\"focus\", function() {\n            this._emit(\"focus\", editor);\n        }.bind(this));\n\n        this.$editors.push(editor);\n        editor.setFontSize(this.$fontSize);\n        return editor;\n    };\n\n    this.setSplits = function(splits) {\n        var editor;\n        if (splits < 1) {\n            throw \"The number of splits have to be > 0!\";\n        }\n\n        if (splits == this.$splits) {\n            return;\n        } else if (splits > this.$splits) {\n            while (this.$splits < this.$editors.length && this.$splits < splits) {\n                editor = this.$editors[this.$splits];\n                this.$container.appendChild(editor.container);\n                editor.setFontSize(this.$fontSize);\n                this.$splits ++;\n            }\n            while (this.$splits < splits) {\n                this.$createEditor();\n                this.$splits ++;\n            }\n        } else {\n            while (this.$splits > splits) {\n                editor = this.$editors[this.$splits - 1];\n                this.$container.removeChild(editor.container);\n                this.$splits --;\n            }\n        }\n        this.resize();\n    };\n    this.getSplits = function() {\n        return this.$splits;\n    };\n    this.getEditor = function(idx) {\n        return this.$editors[idx];\n    };\n    this.getCurrentEditor = function() {\n        return this.$cEditor;\n    };\n    this.focus = function() {\n        this.$cEditor.focus();\n    };\n    this.blur = function() {\n        this.$cEditor.blur();\n    };\n    this.setTheme = function(theme) {\n        this.$editors.forEach(function(editor) {\n            editor.setTheme(theme);\n        });\n    };\n    this.setKeyboardHandler = function(keybinding) {\n        this.$editors.forEach(function(editor) {\n            editor.setKeyboardHandler(keybinding);\n        });\n    };\n    this.forEach = function(callback, scope) {\n        this.$editors.forEach(callback, scope);\n    };\n\n\n    this.$fontSize = \"\";\n    this.setFontSize = function(size) {\n        this.$fontSize = size;\n        this.forEach(function(editor) {\n           editor.setFontSize(size);\n        });\n    };\n\n    this.$cloneSession = function(session) {\n        var s = new EditSession(session.getDocument(), session.getMode());\n\n        var undoManager = session.getUndoManager();\n        s.setUndoManager(undoManager);\n        s.setTabSize(session.getTabSize());\n        s.setUseSoftTabs(session.getUseSoftTabs());\n        s.setOverwrite(session.getOverwrite());\n        s.setBreakpoints(session.getBreakpoints());\n        s.setUseWrapMode(session.getUseWrapMode());\n        s.setUseWorker(session.getUseWorker());\n        s.setWrapLimitRange(session.$wrapLimitRange.min,\n                            session.$wrapLimitRange.max);\n        s.$foldData = session.$cloneFoldData();\n\n        return s;\n    };\n    this.setSession = function(session, idx) {\n        var editor;\n        if (idx == null) {\n            editor = this.$cEditor;\n        } else {\n            editor = this.$editors[idx];\n        }\n        var isUsed = this.$editors.some(function(editor) {\n           return editor.session === session;\n        });\n\n        if (isUsed) {\n            session = this.$cloneSession(session);\n        }\n        editor.setSession(session);\n        return session;\n    };\n    this.getOrientation = function() {\n        return this.$orientation;\n    };\n    this.setOrientation = function(orientation) {\n        if (this.$orientation == orientation) {\n            return;\n        }\n        this.$orientation = orientation;\n        this.resize();\n    };\n    this.resize = function() {\n        var width = this.$container.clientWidth;\n        var height = this.$container.clientHeight;\n        var editor;\n\n        if (this.$orientation == this.BESIDE) {\n            var editorWidth = width / this.$splits;\n            for (var i = 0; i < this.$splits; i++) {\n                editor = this.$editors[i];\n                editor.container.style.width = editorWidth + \"px\";\n                editor.container.style.top = \"0px\";\n                editor.container.style.left = i * editorWidth + \"px\";\n                editor.container.style.height = height + \"px\";\n                editor.resize();\n            }\n        } else {\n            var editorHeight = height / this.$splits;\n            for (var i = 0; i < this.$splits; i++) {\n                editor = this.$editors[i];\n                editor.container.style.width = width + \"px\";\n                editor.container.style.top = i * editorHeight + \"px\";\n                editor.container.style.left = \"0px\";\n                editor.container.style.height = editorHeight + \"px\";\n                editor.resize();\n            }\n        }\n    };\n\n}).call(Split.prototype);\n\nexports.Split = Split;\n});\n\nace.define(\"ace/ext/split\",[\"require\",\"exports\",\"module\",\"ace/split\"], function(require, exports, module) {\n\"use strict\";\nmodule.exports = require(\"../split\");\n\n});                (function() {\n                    ace.require([\"ace/ext/split\"], function(m) {\n                        if ( true && module) {\n                            module.exports = m;\n                        }\n                    });\n                })();\n            \n\n//# sourceURL=webpack://ReactAce/./node_modules/ace-builds/src-noconflict/ext-split.js?");

/***/ }),

/***/ "./src/ace.tsx":
/*!*********************!*\
  !*** ./src/ace.tsx ***!
  \*********************/
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
eval("\n\nvar __extends = this && this.__extends || function () {\n  var _extendStatics = function extendStatics(d, b) {\n    _extendStatics = Object.setPrototypeOf || {\n      __proto__: []\n    } instanceof Array && function (d, b) {\n      d.__proto__ = b;\n    } || function (d, b) {\n      for (var p in b) {\n        if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];\n      }\n    };\n\n    return _extendStatics(d, b);\n  };\n\n  return function (d, b) {\n    if (typeof b !== \"function\" && b !== null) throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n\n    _extendStatics(d, b);\n\n    function __() {\n      this.constructor = d;\n    }\n\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n  };\n}();\n\nvar __assign = this && this.__assign || function () {\n  __assign = Object.assign || function (t) {\n    for (var s, i = 1, n = arguments.length; i < n; i++) {\n      s = arguments[i];\n\n      for (var p in s) {\n        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n      }\n    }\n\n    return t;\n  };\n\n  return __assign.apply(this, arguments);\n};\n\nObject.defineProperty(exports, \"__esModule\", ({\n  value: true\n}));\n\nvar ace_builds_1 = __webpack_require__(/*! ace-builds */ \"./node_modules/ace-builds/src-noconflict/ace.js\");\n\nvar PropTypes = __webpack_require__(/*! prop-types */ \"./node_modules/prop-types/index.js\");\n\nvar React = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\n\nvar isEqual = __webpack_require__(/*! lodash.isequal */ \"./node_modules/lodash.isequal/index.js\");\n\nvar editorOptions_1 = __webpack_require__(/*! ./editorOptions */ \"./src/editorOptions.ts\");\n\nvar ace = editorOptions_1.getAceInstance();\n\nvar ReactAce =\n/** @class */\nfunction (_super) {\n  __extends(ReactAce, _super);\n\n  function ReactAce(props) {\n    var _this = _super.call(this, props) || this;\n\n    editorOptions_1.editorEvents.forEach(function (method) {\n      _this[method] = _this[method].bind(_this);\n    });\n    _this.debounce = editorOptions_1.debounce;\n    return _this;\n  }\n\n  ReactAce.prototype.isInShadow = function (node) {\n    var parent = node && node.parentNode;\n\n    while (parent) {\n      if (parent.toString() === \"[object ShadowRoot]\") {\n        return true;\n      }\n\n      parent = parent.parentNode;\n    }\n\n    return false;\n  };\n\n  ReactAce.prototype.componentDidMount = function () {\n    var _this = this;\n\n    var _a = this.props,\n        className = _a.className,\n        onBeforeLoad = _a.onBeforeLoad,\n        onValidate = _a.onValidate,\n        mode = _a.mode,\n        focus = _a.focus,\n        theme = _a.theme,\n        fontSize = _a.fontSize,\n        value = _a.value,\n        defaultValue = _a.defaultValue,\n        showGutter = _a.showGutter,\n        wrapEnabled = _a.wrapEnabled,\n        showPrintMargin = _a.showPrintMargin,\n        _b = _a.scrollMargin,\n        scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b,\n        keyboardHandler = _a.keyboardHandler,\n        onLoad = _a.onLoad,\n        commands = _a.commands,\n        annotations = _a.annotations,\n        markers = _a.markers,\n        placeholder = _a.placeholder;\n    this.editor = ace.edit(this.refEditor);\n\n    if (onBeforeLoad) {\n      onBeforeLoad(ace);\n    }\n\n    var editorProps = Object.keys(this.props.editorProps);\n\n    for (var i = 0; i < editorProps.length; i++) {\n      this.editor[editorProps[i]] = this.props.editorProps[editorProps[i]];\n    }\n\n    if (this.props.debounceChangePeriod) {\n      this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);\n    }\n\n    this.editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);\n\n    if (this.isInShadow(this.refEditor)) {\n      this.editor.renderer.attachToShadowRoot();\n    }\n\n    this.editor.getSession().setMode(typeof mode === \"string\" ? \"ace/mode/\" + mode : mode);\n    if (theme && theme !== \"\") this.editor.setTheme(\"ace/theme/\" + theme);\n    this.editor.setFontSize(typeof fontSize === \"number\" ? fontSize + \"px\" : fontSize);\n    this.editor.getSession().setValue(!defaultValue ? value || \"\" : defaultValue);\n\n    if (this.props.navigateToFileEnd) {\n      this.editor.navigateFileEnd();\n    }\n\n    this.editor.renderer.setShowGutter(showGutter);\n    this.editor.getSession().setUseWrapMode(wrapEnabled);\n    this.editor.setShowPrintMargin(showPrintMargin);\n    this.editor.on(\"focus\", this.onFocus);\n    this.editor.on(\"blur\", this.onBlur);\n    this.editor.on(\"copy\", this.onCopy);\n    this.editor.on(\"paste\", this.onPaste);\n    this.editor.on(\"change\", this.onChange);\n    this.editor.on(\"input\", this.onInput);\n\n    if (placeholder) {\n      this.updatePlaceholder();\n    }\n\n    this.editor.getSession().selection.on(\"changeSelection\", this.onSelectionChange);\n    this.editor.getSession().selection.on(\"changeCursor\", this.onCursorChange);\n\n    if (onValidate) {\n      // @ts-ignore types don't include\n      this.editor.getSession().on(\"changeAnnotation\", function () {\n        // tslint:disable-next-line:no-shadowed-variable\n        var annotations = _this.editor.getSession().getAnnotations();\n\n        _this.props.onValidate(annotations);\n      });\n    }\n\n    this.editor.session.on(\"changeScrollTop\", this.onScroll);\n    this.editor.getSession().setAnnotations(annotations || []);\n\n    if (markers && markers.length > 0) {\n      this.handleMarkers(markers);\n    } // get a list of possible options to avoid 'misspelled option errors'\n\n\n    var availableOptions = this.editor.$options;\n    editorOptions_1.editorOptions.forEach(function (option) {\n      if (availableOptions.hasOwnProperty(option)) {\n        // @ts-ignore\n        _this.editor.setOption(option, _this.props[option]);\n      } else if (_this.props[option]) {\n        console.warn(\"ReactAce: editor option \" + option + \" was activated but not found. Did you need to import a related tool or did you possibly mispell the option?\");\n      }\n    });\n    this.handleOptions(this.props);\n\n    if (Array.isArray(commands)) {\n      commands.forEach(function (command) {\n        if (typeof command.exec === \"string\") {\n          _this.editor.commands.bindKey(command.bindKey, command.exec);\n        } else {\n          _this.editor.commands.addCommand(command);\n        }\n      });\n    }\n\n    if (keyboardHandler) {\n      this.editor.setKeyboardHandler(\"ace/keyboard/\" + keyboardHandler);\n    }\n\n    if (className) {\n      this.refEditor.className += \" \" + className;\n    }\n\n    if (onLoad) {\n      onLoad(this.editor);\n    }\n\n    this.editor.resize();\n\n    if (focus) {\n      this.editor.focus();\n    }\n  };\n\n  ReactAce.prototype.componentDidUpdate = function (prevProps) {\n    var oldProps = prevProps;\n    var nextProps = this.props;\n\n    for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n      var option = editorOptions_1.editorOptions[i];\n\n      if (nextProps[option] !== oldProps[option]) {\n        // @ts-ignore\n        this.editor.setOption(option, nextProps[option]);\n      }\n    }\n\n    if (nextProps.className !== oldProps.className) {\n      var appliedClasses = this.refEditor.className;\n      var appliedClassesArray_1 = appliedClasses.trim().split(\" \");\n      var oldClassesArray = oldProps.className.trim().split(\" \");\n      oldClassesArray.forEach(function (oldClass) {\n        var index = appliedClassesArray_1.indexOf(oldClass);\n        appliedClassesArray_1.splice(index, 1);\n      });\n      this.refEditor.className = \" \" + nextProps.className + \" \" + appliedClassesArray_1.join(\" \");\n    } // First process editor value, as it may create a new session (see issue #300)\n\n\n    if (this.editor && nextProps.value != null && this.editor.getValue() !== nextProps.value) {\n      // editor.setValue is a synchronous function call, change event is emitted before setValue return.\n      this.silent = true;\n      var pos = this.editor.session.selection.toJSON();\n      this.editor.setValue(nextProps.value, nextProps.cursorStart);\n      this.editor.session.selection.fromJSON(pos);\n      this.silent = false;\n    }\n\n    if (nextProps.placeholder !== oldProps.placeholder) {\n      this.updatePlaceholder();\n    }\n\n    if (nextProps.mode !== oldProps.mode) {\n      this.editor.getSession().setMode(typeof nextProps.mode === \"string\" ? \"ace/mode/\" + nextProps.mode : nextProps.mode);\n    }\n\n    if (nextProps.theme !== oldProps.theme) {\n      this.editor.setTheme(\"ace/theme/\" + nextProps.theme);\n    }\n\n    if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {\n      if (nextProps.keyboardHandler) {\n        this.editor.setKeyboardHandler(\"ace/keyboard/\" + nextProps.keyboardHandler);\n      } else {\n        this.editor.setKeyboardHandler(null);\n      }\n    }\n\n    if (nextProps.fontSize !== oldProps.fontSize) {\n      this.editor.setFontSize(typeof nextProps.fontSize === \"number\" ? nextProps.fontSize + \"px\" : nextProps.fontSize);\n    }\n\n    if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {\n      this.editor.getSession().setUseWrapMode(nextProps.wrapEnabled);\n    }\n\n    if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {\n      this.editor.setShowPrintMargin(nextProps.showPrintMargin);\n    }\n\n    if (nextProps.showGutter !== oldProps.showGutter) {\n      this.editor.renderer.setShowGutter(nextProps.showGutter);\n    }\n\n    if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {\n      this.handleOptions(nextProps);\n    }\n\n    if (!isEqual(nextProps.annotations, oldProps.annotations)) {\n      this.editor.getSession().setAnnotations(nextProps.annotations || []);\n    }\n\n    if (!isEqual(nextProps.markers, oldProps.markers) && Array.isArray(nextProps.markers)) {\n      this.handleMarkers(nextProps.markers);\n    } // this doesn't look like it works at all....\n\n\n    if (!isEqual(nextProps.scrollMargin, oldProps.scrollMargin)) {\n      this.handleScrollMargins(nextProps.scrollMargin);\n    }\n\n    if (prevProps.height !== this.props.height || prevProps.width !== this.props.width) {\n      this.editor.resize();\n    }\n\n    if (this.props.focus && !prevProps.focus) {\n      this.editor.focus();\n    }\n  };\n\n  ReactAce.prototype.handleScrollMargins = function (margins) {\n    if (margins === void 0) {\n      margins = [0, 0, 0, 0];\n    }\n\n    this.editor.renderer.setScrollMargin(margins[0], margins[1], margins[2], margins[3]);\n  };\n\n  ReactAce.prototype.componentWillUnmount = function () {\n    this.editor.destroy();\n    this.editor = null;\n  };\n\n  ReactAce.prototype.onChange = function (event) {\n    if (this.props.onChange && !this.silent) {\n      var value = this.editor.getValue();\n      this.props.onChange(value, event);\n    }\n  };\n\n  ReactAce.prototype.onSelectionChange = function (event) {\n    if (this.props.onSelectionChange) {\n      var value = this.editor.getSelection();\n      this.props.onSelectionChange(value, event);\n    }\n  };\n\n  ReactAce.prototype.onCursorChange = function (event) {\n    if (this.props.onCursorChange) {\n      var value = this.editor.getSelection();\n      this.props.onCursorChange(value, event);\n    }\n  };\n\n  ReactAce.prototype.onInput = function (event) {\n    if (this.props.onInput) {\n      this.props.onInput(event);\n    }\n\n    if (this.props.placeholder) {\n      this.updatePlaceholder();\n    }\n  };\n\n  ReactAce.prototype.onFocus = function (event) {\n    if (this.props.onFocus) {\n      this.props.onFocus(event, this.editor);\n    }\n  };\n\n  ReactAce.prototype.onBlur = function (event) {\n    if (this.props.onBlur) {\n      this.props.onBlur(event, this.editor);\n    }\n  };\n\n  ReactAce.prototype.onCopy = function (_a) {\n    var text = _a.text;\n\n    if (this.props.onCopy) {\n      this.props.onCopy(text);\n    }\n  };\n\n  ReactAce.prototype.onPaste = function (_a) {\n    var text = _a.text;\n\n    if (this.props.onPaste) {\n      this.props.onPaste(text);\n    }\n  };\n\n  ReactAce.prototype.onScroll = function () {\n    if (this.props.onScroll) {\n      this.props.onScroll(this.editor);\n    }\n  };\n\n  ReactAce.prototype.handleOptions = function (props) {\n    var setOptions = Object.keys(props.setOptions);\n\n    for (var y = 0; y < setOptions.length; y++) {\n      // @ts-ignore\n      this.editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);\n    }\n  };\n\n  ReactAce.prototype.handleMarkers = function (markers) {\n    var _this = this; // remove foreground markers\n\n\n    var currentMarkers = this.editor.getSession().getMarkers(true);\n\n    for (var i in currentMarkers) {\n      if (currentMarkers.hasOwnProperty(i)) {\n        this.editor.getSession().removeMarker(currentMarkers[i].id);\n      }\n    } // remove background markers except active line marker and selected word marker\n\n\n    currentMarkers = this.editor.getSession().getMarkers(false);\n\n    for (var i in currentMarkers) {\n      if (currentMarkers.hasOwnProperty(i) && currentMarkers[i].clazz !== \"ace_active-line\" && currentMarkers[i].clazz !== \"ace_selected-word\") {\n        this.editor.getSession().removeMarker(currentMarkers[i].id);\n      }\n    } // add new markers\n\n\n    markers.forEach(function (_a) {\n      var startRow = _a.startRow,\n          startCol = _a.startCol,\n          endRow = _a.endRow,\n          endCol = _a.endCol,\n          className = _a.className,\n          type = _a.type,\n          _b = _a.inFront,\n          inFront = _b === void 0 ? false : _b;\n      var range = new ace_builds_1.Range(startRow, startCol, endRow, endCol);\n\n      _this.editor.getSession().addMarker(range, className, type, inFront);\n    });\n  };\n\n  ReactAce.prototype.updatePlaceholder = function () {\n    // Adapted from https://stackoverflow.com/questions/26695708/how-can-i-add-placeholder-text-when-the-editor-is-empty\n    var editor = this.editor;\n    var placeholder = this.props.placeholder;\n    var showPlaceholder = !editor.session.getValue().length;\n    var node = editor.renderer.placeholderNode;\n\n    if (!showPlaceholder && node) {\n      editor.renderer.scroller.removeChild(editor.renderer.placeholderNode);\n      editor.renderer.placeholderNode = null;\n    } else if (showPlaceholder && !node) {\n      node = editor.renderer.placeholderNode = document.createElement(\"div\");\n      node.textContent = placeholder || \"\";\n      node.className = \"ace_comment ace_placeholder\";\n      node.style.padding = \"0 9px\";\n      node.style.position = \"absolute\";\n      node.style.zIndex = \"3\";\n      editor.renderer.scroller.appendChild(node);\n    } else if (showPlaceholder && node) {\n      node.textContent = placeholder;\n    }\n  };\n\n  ReactAce.prototype.updateRef = function (item) {\n    this.refEditor = item;\n  };\n\n  ReactAce.prototype.render = function () {\n    var _a = this.props,\n        name = _a.name,\n        width = _a.width,\n        height = _a.height,\n        style = _a.style;\n\n    var divStyle = __assign({\n      width: width,\n      height: height\n    }, style);\n\n    return React.createElement(\"div\", {\n      ref: this.updateRef,\n      id: name,\n      style: divStyle\n    });\n  };\n\n  ReactAce.propTypes = {\n    mode: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),\n    focus: PropTypes.bool,\n    theme: PropTypes.string,\n    name: PropTypes.string,\n    className: PropTypes.string,\n    height: PropTypes.string,\n    width: PropTypes.string,\n    fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),\n    showGutter: PropTypes.bool,\n    onChange: PropTypes.func,\n    onCopy: PropTypes.func,\n    onPaste: PropTypes.func,\n    onFocus: PropTypes.func,\n    onInput: PropTypes.func,\n    onBlur: PropTypes.func,\n    onScroll: PropTypes.func,\n    value: PropTypes.string,\n    defaultValue: PropTypes.string,\n    onLoad: PropTypes.func,\n    onSelectionChange: PropTypes.func,\n    onCursorChange: PropTypes.func,\n    onBeforeLoad: PropTypes.func,\n    onValidate: PropTypes.func,\n    minLines: PropTypes.number,\n    maxLines: PropTypes.number,\n    readOnly: PropTypes.bool,\n    highlightActiveLine: PropTypes.bool,\n    tabSize: PropTypes.number,\n    showPrintMargin: PropTypes.bool,\n    cursorStart: PropTypes.number,\n    debounceChangePeriod: PropTypes.number,\n    editorProps: PropTypes.object,\n    setOptions: PropTypes.object,\n    style: PropTypes.object,\n    scrollMargin: PropTypes.array,\n    annotations: PropTypes.array,\n    markers: PropTypes.array,\n    keyboardHandler: PropTypes.string,\n    wrapEnabled: PropTypes.bool,\n    enableSnippets: PropTypes.bool,\n    enableBasicAutocompletion: PropTypes.oneOfType([PropTypes.bool, PropTypes.array]),\n    enableLiveAutocompletion: PropTypes.oneOfType([PropTypes.bool, PropTypes.array]),\n    navigateToFileEnd: PropTypes.bool,\n    commands: PropTypes.array,\n    placeholder: PropTypes.string\n  };\n  ReactAce.defaultProps = {\n    name: \"ace-editor\",\n    focus: false,\n    mode: \"\",\n    theme: \"\",\n    height: \"500px\",\n    width: \"500px\",\n    fontSize: 12,\n    enableSnippets: false,\n    showGutter: true,\n    onChange: null,\n    onPaste: null,\n    onLoad: null,\n    onScroll: null,\n    minLines: null,\n    maxLines: null,\n    readOnly: false,\n    highlightActiveLine: true,\n    showPrintMargin: true,\n    tabSize: 4,\n    cursorStart: 1,\n    editorProps: {},\n    style: {},\n    scrollMargin: [0, 0, 0, 0],\n    setOptions: {},\n    wrapEnabled: false,\n    enableBasicAutocompletion: false,\n    enableLiveAutocompletion: false,\n    placeholder: null,\n    navigateToFileEnd: true\n  };\n  return ReactAce;\n}(React.Component);\n\nexports.default = ReactAce;\n\n//# sourceURL=webpack://ReactAce/./src/ace.tsx?");

/***/ }),

/***/ "./src/diff.tsx":
/*!**********************!*\
  !*** ./src/diff.tsx ***!
  \**********************/
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
eval("\n\nvar __extends = this && this.__extends || function () {\n  var _extendStatics = function extendStatics(d, b) {\n    _extendStatics = Object.setPrototypeOf || {\n      __proto__: []\n    } instanceof Array && function (d, b) {\n      d.__proto__ = b;\n    } || function (d, b) {\n      for (var p in b) {\n        if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];\n      }\n    };\n\n    return _extendStatics(d, b);\n  };\n\n  return function (d, b) {\n    if (typeof b !== \"function\" && b !== null) throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n\n    _extendStatics(d, b);\n\n    function __() {\n      this.constructor = d;\n    }\n\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n  };\n}();\n\nObject.defineProperty(exports, \"__esModule\", ({\n  value: true\n}));\n\nvar PropTypes = __webpack_require__(/*! prop-types */ \"./node_modules/prop-types/index.js\");\n\nvar React = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\n\nvar split_1 = __webpack_require__(/*! ./split */ \"./src/split.tsx\");\n\nvar DiffMatchPatch = __webpack_require__(/*! diff-match-patch */ \"./node_modules/diff-match-patch/index.js\");\n\nvar DiffComponent =\n/** @class */\nfunction (_super) {\n  __extends(DiffComponent, _super);\n\n  function DiffComponent(props) {\n    var _this = _super.call(this, props) || this;\n\n    _this.state = {\n      value: _this.props.value\n    };\n    _this.onChange = _this.onChange.bind(_this);\n    _this.diff = _this.diff.bind(_this);\n    return _this;\n  }\n\n  DiffComponent.prototype.componentDidUpdate = function () {\n    var value = this.props.value;\n\n    if (value !== this.state.value) {\n      this.setState({\n        value: value\n      });\n    }\n  };\n\n  DiffComponent.prototype.onChange = function (value) {\n    this.setState({\n      value: value\n    });\n\n    if (this.props.onChange) {\n      this.props.onChange(value);\n    }\n  };\n\n  DiffComponent.prototype.diff = function () {\n    var dmp = new DiffMatchPatch();\n    var lhString = this.state.value[0];\n    var rhString = this.state.value[1];\n\n    if (lhString.length === 0 && rhString.length === 0) {\n      return [];\n    }\n\n    var diff = dmp.diff_main(lhString, rhString);\n    dmp.diff_cleanupSemantic(diff);\n    var diffedLines = this.generateDiffedLines(diff);\n    var codeEditorSettings = this.setCodeMarkers(diffedLines);\n    return codeEditorSettings;\n  };\n\n  DiffComponent.prototype.generateDiffedLines = function (diff) {\n    var C = {\n      DIFF_EQUAL: 0,\n      DIFF_DELETE: -1,\n      DIFF_INSERT: 1\n    };\n    var diffedLines = {\n      left: [],\n      right: []\n    };\n    var cursor = {\n      left: 1,\n      right: 1\n    };\n    diff.forEach(function (chunk) {\n      var chunkType = chunk[0];\n      var text = chunk[1];\n      var lines = text.split(\"\\n\").length - 1; // diff-match-patch sometimes returns empty strings at random\n\n      if (text.length === 0) {\n        return;\n      }\n\n      var firstChar = text[0];\n      var lastChar = text[text.length - 1];\n      var linesToHighlight = 0;\n\n      switch (chunkType) {\n        case C.DIFF_EQUAL:\n          cursor.left += lines;\n          cursor.right += lines;\n          break;\n\n        case C.DIFF_DELETE:\n          // If the deletion starts with a newline, push the cursor down to that line\n          if (firstChar === \"\\n\") {\n            cursor.left++;\n            lines--;\n          }\n\n          linesToHighlight = lines; // If the deletion does not include a newline, highlight the same line on the right\n\n          if (linesToHighlight === 0) {\n            diffedLines.right.push({\n              startLine: cursor.right,\n              endLine: cursor.right\n            });\n          } // If the last character is a newline, we don't want to highlight that line\n\n\n          if (lastChar === \"\\n\") {\n            linesToHighlight -= 1;\n          }\n\n          diffedLines.left.push({\n            startLine: cursor.left,\n            endLine: cursor.left + linesToHighlight\n          });\n          cursor.left += lines;\n          break;\n\n        case C.DIFF_INSERT:\n          // If the insertion starts with a newline, push the cursor down to that line\n          if (firstChar === \"\\n\") {\n            cursor.right++;\n            lines--;\n          }\n\n          linesToHighlight = lines; // If the insertion does not include a newline, highlight the same line on the left\n\n          if (linesToHighlight === 0) {\n            diffedLines.left.push({\n              startLine: cursor.left,\n              endLine: cursor.left\n            });\n          } // If the last character is a newline, we don't want to highlight that line\n\n\n          if (lastChar === \"\\n\") {\n            linesToHighlight -= 1;\n          }\n\n          diffedLines.right.push({\n            startLine: cursor.right,\n            endLine: cursor.right + linesToHighlight\n          });\n          cursor.right += lines;\n          break;\n\n        default:\n          throw new Error(\"Diff type was not defined.\");\n      }\n    });\n    return diffedLines;\n  }; // Receives a collection of line numbers and iterates through them to highlight appropriately\n  // Returns an object that tells the render() method how to display the code editors\n\n\n  DiffComponent.prototype.setCodeMarkers = function (diffedLines) {\n    if (diffedLines === void 0) {\n      diffedLines = {\n        left: [],\n        right: []\n      };\n    }\n\n    var codeEditorSettings = [];\n    var newMarkerSet = {\n      left: [],\n      right: []\n    };\n\n    for (var i = 0; i < diffedLines.left.length; i++) {\n      var markerObj = {\n        startRow: diffedLines.left[i].startLine - 1,\n        endRow: diffedLines.left[i].endLine,\n        type: \"text\",\n        className: \"codeMarker\"\n      };\n      newMarkerSet.left.push(markerObj);\n    }\n\n    for (var i = 0; i < diffedLines.right.length; i++) {\n      var markerObj = {\n        startRow: diffedLines.right[i].startLine - 1,\n        endRow: diffedLines.right[i].endLine,\n        type: \"text\",\n        className: \"codeMarker\"\n      };\n      newMarkerSet.right.push(markerObj);\n    }\n\n    codeEditorSettings[0] = newMarkerSet.left;\n    codeEditorSettings[1] = newMarkerSet.right;\n    return codeEditorSettings;\n  };\n\n  DiffComponent.prototype.render = function () {\n    var markers = this.diff();\n    return React.createElement(split_1[\"default\"], {\n      name: this.props.name,\n      className: this.props.className,\n      focus: this.props.focus,\n      orientation: this.props.orientation,\n      splits: this.props.splits,\n      mode: this.props.mode,\n      theme: this.props.theme,\n      height: this.props.height,\n      width: this.props.width,\n      fontSize: this.props.fontSize,\n      showGutter: this.props.showGutter,\n      onChange: this.onChange,\n      onPaste: this.props.onPaste,\n      onLoad: this.props.onLoad,\n      onScroll: this.props.onScroll,\n      minLines: this.props.minLines,\n      maxLines: this.props.maxLines,\n      readOnly: this.props.readOnly,\n      highlightActiveLine: this.props.highlightActiveLine,\n      showPrintMargin: this.props.showPrintMargin,\n      tabSize: this.props.tabSize,\n      cursorStart: this.props.cursorStart,\n      editorProps: this.props.editorProps,\n      style: this.props.style,\n      scrollMargin: this.props.scrollMargin,\n      setOptions: this.props.setOptions,\n      wrapEnabled: this.props.wrapEnabled,\n      enableBasicAutocompletion: this.props.enableBasicAutocompletion,\n      enableLiveAutocompletion: this.props.enableLiveAutocompletion,\n      value: this.state.value,\n      markers: markers\n    });\n  };\n\n  DiffComponent.propTypes = {\n    cursorStart: PropTypes.number,\n    editorProps: PropTypes.object,\n    enableBasicAutocompletion: PropTypes.bool,\n    enableLiveAutocompletion: PropTypes.bool,\n    focus: PropTypes.bool,\n    fontSize: PropTypes.number,\n    height: PropTypes.string,\n    highlightActiveLine: PropTypes.bool,\n    maxLines: PropTypes.number,\n    minLines: PropTypes.number,\n    mode: PropTypes.string,\n    name: PropTypes.string,\n    className: PropTypes.string,\n    onLoad: PropTypes.func,\n    onPaste: PropTypes.func,\n    onScroll: PropTypes.func,\n    onChange: PropTypes.func,\n    orientation: PropTypes.string,\n    readOnly: PropTypes.bool,\n    scrollMargin: PropTypes.array,\n    setOptions: PropTypes.object,\n    showGutter: PropTypes.bool,\n    showPrintMargin: PropTypes.bool,\n    splits: PropTypes.number,\n    style: PropTypes.object,\n    tabSize: PropTypes.number,\n    theme: PropTypes.string,\n    value: PropTypes.array,\n    width: PropTypes.string,\n    wrapEnabled: PropTypes.bool\n  };\n  DiffComponent.defaultProps = {\n    cursorStart: 1,\n    editorProps: {},\n    enableBasicAutocompletion: false,\n    enableLiveAutocompletion: false,\n    focus: false,\n    fontSize: 12,\n    height: \"500px\",\n    highlightActiveLine: true,\n    maxLines: null,\n    minLines: null,\n    mode: \"\",\n    name: \"ace-editor\",\n    onLoad: null,\n    onScroll: null,\n    onPaste: null,\n    onChange: null,\n    orientation: \"beside\",\n    readOnly: false,\n    scrollMargin: [0, 0, 0, 0],\n    setOptions: {},\n    showGutter: true,\n    showPrintMargin: true,\n    splits: 2,\n    style: {},\n    tabSize: 4,\n    theme: \"github\",\n    value: [\"\", \"\"],\n    width: \"500px\",\n    wrapEnabled: true\n  };\n  return DiffComponent;\n}(React.Component);\n\nexports.default = DiffComponent;\n\n//# sourceURL=webpack://ReactAce/./src/diff.tsx?");

/***/ }),

/***/ "./src/editorOptions.ts":
/*!******************************!*\
  !*** ./src/editorOptions.ts ***!
  \******************************/
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
eval("\n\nObject.defineProperty(exports, \"__esModule\", ({\n  value: true\n}));\nexports.getAceInstance = exports.debounce = exports.editorEvents = exports.editorOptions = void 0;\nvar editorOptions = [\"minLines\", \"maxLines\", \"readOnly\", \"highlightActiveLine\", \"tabSize\", \"enableBasicAutocompletion\", \"enableLiveAutocompletion\", \"enableSnippets\"];\nexports.editorOptions = editorOptions;\nvar editorEvents = [\"onChange\", \"onFocus\", \"onInput\", \"onBlur\", \"onCopy\", \"onPaste\", \"onSelectionChange\", \"onCursorChange\", \"onScroll\", \"handleOptions\", \"updateRef\"];\nexports.editorEvents = editorEvents;\n\nvar getAceInstance = function getAceInstance() {\n  var ace;\n\n  if (typeof window === \"undefined\") {\n    // ace-builds just needs some window object to attach ace to.\n    // During SSR even just an empty object will work.\n    __webpack_require__.g.window = {};\n    ace = __webpack_require__(/*! ace-builds */ \"./node_modules/ace-builds/src-noconflict/ace.js\"); // And it can be discarded immediately afterward to avoid confusing\n    // other libraries that might detect SSR the same way we did.\n\n    delete __webpack_require__.g.window;\n  } else if (window.ace) {\n    // Fallback for ace.require when vanilla ACE is hosted over a CDN\n    ace = window.ace;\n    ace.acequire = window.ace.require || window.ace.acequire;\n  } else {\n    ace = __webpack_require__(/*! ace-builds */ \"./node_modules/ace-builds/src-noconflict/ace.js\");\n  }\n\n  return ace;\n};\n\nexports.getAceInstance = getAceInstance;\n\nvar debounce = function debounce(fn, delay) {\n  var timer = null; // tslint:disable-next-line\n\n  return function () {\n    var context = this;\n    var args = arguments;\n    clearTimeout(timer);\n    timer = setTimeout(function () {\n      fn.apply(context, args);\n    }, delay);\n  };\n};\n\nexports.debounce = debounce;\n\n//# sourceURL=webpack://ReactAce/./src/editorOptions.ts?");

/***/ }),

/***/ "./src/index.ts":
/*!**********************!*\
  !*** ./src/index.ts ***!
  \**********************/
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
eval("\n\nObject.defineProperty(exports, \"__esModule\", ({\n  value: true\n}));\nexports.diff = exports.split = void 0;\n\nvar ace_1 = __webpack_require__(/*! ./ace */ \"./src/ace.tsx\");\n\nvar diff_1 = __webpack_require__(/*! ./diff */ \"./src/diff.tsx\");\n\nexports.diff = diff_1[\"default\"];\n\nvar split_1 = __webpack_require__(/*! ./split */ \"./src/split.tsx\");\n\nexports.split = split_1[\"default\"];\nexports.default = ace_1[\"default\"];\n\n//# sourceURL=webpack://ReactAce/./src/index.ts?");

/***/ }),

/***/ "./src/split.tsx":
/*!***********************!*\
  !*** ./src/split.tsx ***!
  \***********************/
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";
eval("\n\nvar __extends = this && this.__extends || function () {\n  var _extendStatics = function extendStatics(d, b) {\n    _extendStatics = Object.setPrototypeOf || {\n      __proto__: []\n    } instanceof Array && function (d, b) {\n      d.__proto__ = b;\n    } || function (d, b) {\n      for (var p in b) {\n        if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p];\n      }\n    };\n\n    return _extendStatics(d, b);\n  };\n\n  return function (d, b) {\n    if (typeof b !== \"function\" && b !== null) throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\n\n    _extendStatics(d, b);\n\n    function __() {\n      this.constructor = d;\n    }\n\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\n  };\n}();\n\nvar __assign = this && this.__assign || function () {\n  __assign = Object.assign || function (t) {\n    for (var s, i = 1, n = arguments.length; i < n; i++) {\n      s = arguments[i];\n\n      for (var p in s) {\n        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\n      }\n    }\n\n    return t;\n  };\n\n  return __assign.apply(this, arguments);\n};\n\nObject.defineProperty(exports, \"__esModule\", ({\n  value: true\n}));\n\nvar editorOptions_1 = __webpack_require__(/*! ./editorOptions */ \"./src/editorOptions.ts\");\n\nvar ace = editorOptions_1.getAceInstance();\n\nvar ace_builds_1 = __webpack_require__(/*! ace-builds */ \"./node_modules/ace-builds/src-noconflict/ace.js\");\n\nvar ext_split_1 = __webpack_require__(/*! ace-builds/src-noconflict/ext-split */ \"./node_modules/ace-builds/src-noconflict/ext-split.js\");\n\nvar PropTypes = __webpack_require__(/*! prop-types */ \"./node_modules/prop-types/index.js\");\n\nvar React = __webpack_require__(/*! react */ \"./node_modules/react/index.js\");\n\nvar isEqual = __webpack_require__(/*! lodash.isequal */ \"./node_modules/lodash.isequal/index.js\");\n\nvar get = __webpack_require__(/*! lodash.get */ \"./node_modules/lodash.get/index.js\");\n\nvar SplitComponent =\n/** @class */\nfunction (_super) {\n  __extends(SplitComponent, _super);\n\n  function SplitComponent(props) {\n    var _this = _super.call(this, props) || this;\n\n    editorOptions_1.editorEvents.forEach(function (method) {\n      _this[method] = _this[method].bind(_this);\n    });\n    _this.debounce = editorOptions_1.debounce;\n    return _this;\n  }\n\n  SplitComponent.prototype.isInShadow = function (node) {\n    var parent = node && node.parentNode;\n\n    while (parent) {\n      if (parent.toString() === \"[object ShadowRoot]\") {\n        return true;\n      }\n\n      parent = parent.parentNode;\n    }\n\n    return false;\n  };\n\n  SplitComponent.prototype.componentDidMount = function () {\n    var _this = this;\n\n    var _a = this.props,\n        className = _a.className,\n        onBeforeLoad = _a.onBeforeLoad,\n        mode = _a.mode,\n        focus = _a.focus,\n        theme = _a.theme,\n        fontSize = _a.fontSize,\n        value = _a.value,\n        defaultValue = _a.defaultValue,\n        cursorStart = _a.cursorStart,\n        showGutter = _a.showGutter,\n        wrapEnabled = _a.wrapEnabled,\n        showPrintMargin = _a.showPrintMargin,\n        _b = _a.scrollMargin,\n        scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b,\n        keyboardHandler = _a.keyboardHandler,\n        onLoad = _a.onLoad,\n        commands = _a.commands,\n        annotations = _a.annotations,\n        markers = _a.markers,\n        splits = _a.splits;\n    this.editor = ace.edit(this.refEditor);\n\n    if (this.isInShadow(this.refEditor)) {\n      this.editor.renderer.attachToShadowRoot();\n    }\n\n    this.editor.setTheme(\"ace/theme/\" + theme);\n\n    if (onBeforeLoad) {\n      onBeforeLoad(ace);\n    }\n\n    var editorProps = Object.keys(this.props.editorProps);\n    var split = new ext_split_1.Split(this.editor.container, \"ace/theme/\" + theme, splits);\n    this.editor.env.split = split;\n    this.splitEditor = split.getEditor(0);\n    this.split = split; // in a split scenario we don't want a print margin for the entire application\n\n    this.editor.setShowPrintMargin(false);\n    this.editor.renderer.setShowGutter(false); // get a list of possible options to avoid 'misspelled option errors'\n\n    var availableOptions = this.splitEditor.$options;\n\n    if (this.props.debounceChangePeriod) {\n      this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);\n    }\n\n    split.forEach(function (editor, index) {\n      for (var i = 0; i < editorProps.length; i++) {\n        editor[editorProps[i]] = _this.props.editorProps[editorProps[i]];\n      }\n\n      var defaultValueForEditor = get(defaultValue, index);\n      var valueForEditor = get(value, index, \"\");\n      editor.session.setUndoManager(new ace.UndoManager());\n      editor.setTheme(\"ace/theme/\" + theme);\n      editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);\n      editor.getSession().setMode(\"ace/mode/\" + mode);\n      editor.setFontSize(fontSize);\n      editor.renderer.setShowGutter(showGutter);\n      editor.getSession().setUseWrapMode(wrapEnabled);\n      editor.setShowPrintMargin(showPrintMargin);\n      editor.on(\"focus\", _this.onFocus);\n      editor.on(\"blur\", _this.onBlur);\n      editor.on(\"input\", _this.onInput);\n      editor.on(\"copy\", _this.onCopy);\n      editor.on(\"paste\", _this.onPaste);\n      editor.on(\"change\", _this.onChange);\n      editor.getSession().selection.on(\"changeSelection\", _this.onSelectionChange);\n      editor.getSession().selection.on(\"changeCursor\", _this.onCursorChange);\n      editor.session.on(\"changeScrollTop\", _this.onScroll);\n      editor.setValue(defaultValueForEditor === undefined ? valueForEditor : defaultValueForEditor, cursorStart);\n      var newAnnotations = get(annotations, index, []);\n      var newMarkers = get(markers, index, []);\n      editor.getSession().setAnnotations(newAnnotations);\n\n      if (newMarkers && newMarkers.length > 0) {\n        _this.handleMarkers(newMarkers, editor);\n      }\n\n      for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n        var option = editorOptions_1.editorOptions[i];\n\n        if (availableOptions.hasOwnProperty(option)) {\n          editor.setOption(option, _this.props[option]);\n        } else if (_this.props[option]) {\n          console.warn(\"ReaceAce: editor option \" + option + \" was activated but not found. Did you need to import a related tool or did you possibly mispell the option?\");\n        }\n      }\n\n      _this.handleOptions(_this.props, editor);\n\n      if (Array.isArray(commands)) {\n        commands.forEach(function (command) {\n          if (typeof command.exec === \"string\") {\n            editor.commands.bindKey(command.bindKey, command.exec);\n          } else {\n            editor.commands.addCommand(command);\n          }\n        });\n      }\n\n      if (keyboardHandler) {\n        editor.setKeyboardHandler(\"ace/keyboard/\" + keyboardHandler);\n      }\n    });\n\n    if (className) {\n      this.refEditor.className += \" \" + className;\n    }\n\n    if (focus) {\n      this.splitEditor.focus();\n    }\n\n    var sp = this.editor.env.split;\n    sp.setOrientation(this.props.orientation === \"below\" ? sp.BELOW : sp.BESIDE);\n    sp.resize(true);\n\n    if (onLoad) {\n      onLoad(sp);\n    }\n  };\n\n  SplitComponent.prototype.componentDidUpdate = function (prevProps) {\n    var _this = this;\n\n    var oldProps = prevProps;\n    var nextProps = this.props;\n    var split = this.editor.env.split;\n\n    if (nextProps.splits !== oldProps.splits) {\n      split.setSplits(nextProps.splits);\n    }\n\n    if (nextProps.orientation !== oldProps.orientation) {\n      split.setOrientation(nextProps.orientation === \"below\" ? split.BELOW : split.BESIDE);\n    }\n\n    split.forEach(function (editor, index) {\n      if (nextProps.mode !== oldProps.mode) {\n        editor.getSession().setMode(\"ace/mode/\" + nextProps.mode);\n      }\n\n      if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {\n        if (nextProps.keyboardHandler) {\n          editor.setKeyboardHandler(\"ace/keyboard/\" + nextProps.keyboardHandler);\n        } else {\n          editor.setKeyboardHandler(null);\n        }\n      }\n\n      if (nextProps.fontSize !== oldProps.fontSize) {\n        editor.setFontSize(nextProps.fontSize);\n      }\n\n      if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {\n        editor.getSession().setUseWrapMode(nextProps.wrapEnabled);\n      }\n\n      if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {\n        editor.setShowPrintMargin(nextProps.showPrintMargin);\n      }\n\n      if (nextProps.showGutter !== oldProps.showGutter) {\n        editor.renderer.setShowGutter(nextProps.showGutter);\n      }\n\n      for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {\n        var option = editorOptions_1.editorOptions[i];\n\n        if (nextProps[option] !== oldProps[option]) {\n          editor.setOption(option, nextProps[option]);\n        }\n      }\n\n      if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {\n        _this.handleOptions(nextProps, editor);\n      }\n\n      var nextValue = get(nextProps.value, index, \"\");\n\n      if (editor.getValue() !== nextValue) {\n        // editor.setValue is a synchronous function call, change event is emitted before setValue return.\n        _this.silent = true;\n        var pos = editor.session.selection.toJSON();\n        editor.setValue(nextValue, nextProps.cursorStart);\n        editor.session.selection.fromJSON(pos);\n        _this.silent = false;\n      }\n\n      var newAnnotations = get(nextProps.annotations, index, []);\n      var oldAnnotations = get(oldProps.annotations, index, []);\n\n      if (!isEqual(newAnnotations, oldAnnotations)) {\n        editor.getSession().setAnnotations(newAnnotations);\n      }\n\n      var newMarkers = get(nextProps.markers, index, []);\n      var oldMarkers = get(oldProps.markers, index, []);\n\n      if (!isEqual(newMarkers, oldMarkers) && Array.isArray(newMarkers)) {\n        _this.handleMarkers(newMarkers, editor);\n      }\n    });\n\n    if (nextProps.className !== oldProps.className) {\n      var appliedClasses = this.refEditor.className;\n      var appliedClassesArray_1 = appliedClasses.trim().split(\" \");\n      var oldClassesArray = oldProps.className.trim().split(\" \");\n      oldClassesArray.forEach(function (oldClass) {\n        var index = appliedClassesArray_1.indexOf(oldClass);\n        appliedClassesArray_1.splice(index, 1);\n      });\n      this.refEditor.className = \" \" + nextProps.className + \" \" + appliedClassesArray_1.join(\" \");\n    }\n\n    if (nextProps.theme !== oldProps.theme) {\n      split.setTheme(\"ace/theme/\" + nextProps.theme);\n    }\n\n    if (nextProps.focus && !oldProps.focus) {\n      this.splitEditor.focus();\n    }\n\n    if (nextProps.height !== this.props.height || nextProps.width !== this.props.width) {\n      this.editor.resize();\n    }\n  };\n\n  SplitComponent.prototype.componentWillUnmount = function () {\n    this.editor.destroy();\n    this.editor = null;\n  };\n\n  SplitComponent.prototype.onChange = function (event) {\n    if (this.props.onChange && !this.silent) {\n      var value_1 = [];\n      this.editor.env.split.forEach(function (editor) {\n        value_1.push(editor.getValue());\n      });\n      this.props.onChange(value_1, event);\n    }\n  };\n\n  SplitComponent.prototype.onSelectionChange = function (event) {\n    if (this.props.onSelectionChange) {\n      var value_2 = [];\n      this.editor.env.split.forEach(function (editor) {\n        value_2.push(editor.getSelection());\n      });\n      this.props.onSelectionChange(value_2, event);\n    }\n  };\n\n  SplitComponent.prototype.onCursorChange = function (event) {\n    if (this.props.onCursorChange) {\n      var value_3 = [];\n      this.editor.env.split.forEach(function (editor) {\n        value_3.push(editor.getSelection());\n      });\n      this.props.onCursorChange(value_3, event);\n    }\n  };\n\n  SplitComponent.prototype.onFocus = function (event) {\n    if (this.props.onFocus) {\n      this.props.onFocus(event);\n    }\n  };\n\n  SplitComponent.prototype.onInput = function (event) {\n    if (this.props.onInput) {\n      this.props.onInput(event);\n    }\n  };\n\n  SplitComponent.prototype.onBlur = function (event) {\n    if (this.props.onBlur) {\n      this.props.onBlur(event);\n    }\n  };\n\n  SplitComponent.prototype.onCopy = function (text) {\n    if (this.props.onCopy) {\n      this.props.onCopy(text);\n    }\n  };\n\n  SplitComponent.prototype.onPaste = function (text) {\n    if (this.props.onPaste) {\n      this.props.onPaste(text);\n    }\n  };\n\n  SplitComponent.prototype.onScroll = function () {\n    if (this.props.onScroll) {\n      this.props.onScroll(this.editor);\n    }\n  };\n\n  SplitComponent.prototype.handleOptions = function (props, editor) {\n    var setOptions = Object.keys(props.setOptions);\n\n    for (var y = 0; y < setOptions.length; y++) {\n      editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);\n    }\n  };\n\n  SplitComponent.prototype.handleMarkers = function (markers, editor) {\n    // remove foreground markers\n    var currentMarkers = editor.getSession().getMarkers(true);\n\n    for (var i in currentMarkers) {\n      if (currentMarkers.hasOwnProperty(i)) {\n        editor.getSession().removeMarker(currentMarkers[i].id);\n      }\n    } // remove background markers\n\n\n    currentMarkers = editor.getSession().getMarkers(false);\n\n    for (var i in currentMarkers) {\n      if (currentMarkers.hasOwnProperty(i)) {\n        editor.getSession().removeMarker(currentMarkers[i].id);\n      }\n    } // add new markers\n\n\n    markers.forEach(function (_a) {\n      var startRow = _a.startRow,\n          startCol = _a.startCol,\n          endRow = _a.endRow,\n          endCol = _a.endCol,\n          className = _a.className,\n          type = _a.type,\n          _b = _a.inFront,\n          inFront = _b === void 0 ? false : _b;\n      var range = new ace_builds_1.Range(startRow, startCol, endRow, endCol);\n      editor.getSession().addMarker(range, className, type, inFront);\n    });\n  };\n\n  SplitComponent.prototype.updateRef = function (item) {\n    this.refEditor = item;\n  };\n\n  SplitComponent.prototype.render = function () {\n    var _a = this.props,\n        name = _a.name,\n        width = _a.width,\n        height = _a.height,\n        style = _a.style;\n\n    var divStyle = __assign({\n      width: width,\n      height: height\n    }, style);\n\n    return React.createElement(\"div\", {\n      ref: this.updateRef,\n      id: name,\n      style: divStyle\n    });\n  };\n\n  SplitComponent.propTypes = {\n    className: PropTypes.string,\n    debounceChangePeriod: PropTypes.number,\n    defaultValue: PropTypes.arrayOf(PropTypes.string),\n    focus: PropTypes.bool,\n    fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),\n    height: PropTypes.string,\n    mode: PropTypes.string,\n    name: PropTypes.string,\n    onBlur: PropTypes.func,\n    onChange: PropTypes.func,\n    onCopy: PropTypes.func,\n    onFocus: PropTypes.func,\n    onInput: PropTypes.func,\n    onLoad: PropTypes.func,\n    onPaste: PropTypes.func,\n    onScroll: PropTypes.func,\n    orientation: PropTypes.string,\n    showGutter: PropTypes.bool,\n    splits: PropTypes.number,\n    theme: PropTypes.string,\n    value: PropTypes.arrayOf(PropTypes.string),\n    width: PropTypes.string,\n    onSelectionChange: PropTypes.func,\n    onCursorChange: PropTypes.func,\n    onBeforeLoad: PropTypes.func,\n    minLines: PropTypes.number,\n    maxLines: PropTypes.number,\n    readOnly: PropTypes.bool,\n    highlightActiveLine: PropTypes.bool,\n    tabSize: PropTypes.number,\n    showPrintMargin: PropTypes.bool,\n    cursorStart: PropTypes.number,\n    editorProps: PropTypes.object,\n    setOptions: PropTypes.object,\n    style: PropTypes.object,\n    scrollMargin: PropTypes.array,\n    annotations: PropTypes.array,\n    markers: PropTypes.array,\n    keyboardHandler: PropTypes.string,\n    wrapEnabled: PropTypes.bool,\n    enableBasicAutocompletion: PropTypes.oneOfType([PropTypes.bool, PropTypes.array]),\n    enableLiveAutocompletion: PropTypes.oneOfType([PropTypes.bool, PropTypes.array]),\n    commands: PropTypes.array\n  };\n  SplitComponent.defaultProps = {\n    name: \"ace-editor\",\n    focus: false,\n    orientation: \"beside\",\n    splits: 2,\n    mode: \"\",\n    theme: \"\",\n    height: \"500px\",\n    width: \"500px\",\n    value: [],\n    fontSize: 12,\n    showGutter: true,\n    onChange: null,\n    onPaste: null,\n    onLoad: null,\n    onScroll: null,\n    minLines: null,\n    maxLines: null,\n    readOnly: false,\n    highlightActiveLine: true,\n    showPrintMargin: true,\n    tabSize: 4,\n    cursorStart: 1,\n    editorProps: {},\n    style: {},\n    scrollMargin: [0, 0, 0, 0],\n    setOptions: {},\n    wrapEnabled: false,\n    enableBasicAutocompletion: false,\n    enableLiveAutocompletion: false\n  };\n  return SplitComponent;\n}(React.Component);\n\nexports.default = SplitComponent;\n\n//# sourceURL=webpack://ReactAce/./src/split.tsx?");

/***/ }),

/***/ "./node_modules/diff-match-patch/index.js":
/*!************************************************!*\
  !*** ./node_modules/diff-match-patch/index.js ***!
  \************************************************/
/***/ ((module) => {

eval("/**\n * Diff Match and Patch\n * Copyright 2018 The diff-match-patch Authors.\n * https://github.com/google/diff-match-patch\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @fileoverview Computes the difference between two texts to create a patch.\n * Applies the patch onto another text, allowing for errors.\n * @author fraser@google.com (Neil Fraser)\n */\n\n/**\n * Class containing the diff, match and patch methods.\n * @constructor\n */\nvar diff_match_patch = function() {\n\n  // Defaults.\n  // Redefine these in your program to override the defaults.\n\n  // Number of seconds to map a diff before giving up (0 for infinity).\n  this.Diff_Timeout = 1.0;\n  // Cost of an empty edit operation in terms of edit characters.\n  this.Diff_EditCost = 4;\n  // At what point is no match declared (0.0 = perfection, 1.0 = very loose).\n  this.Match_Threshold = 0.5;\n  // How far to search for a match (0 = exact location, 1000+ = broad match).\n  // A match this many characters away from the expected location will add\n  // 1.0 to the score (0.0 is a perfect match).\n  this.Match_Distance = 1000;\n  // When deleting a large block of text (over ~64 characters), how close do\n  // the contents have to be to match the expected contents. (0.0 = perfection,\n  // 1.0 = very loose).  Note that Match_Threshold controls how closely the\n  // end points of a delete need to match.\n  this.Patch_DeleteThreshold = 0.5;\n  // Chunk size for context length.\n  this.Patch_Margin = 4;\n\n  // The number of bits in an int.\n  this.Match_MaxBits = 32;\n};\n\n\n//  DIFF FUNCTIONS\n\n\n/**\n * The data structure representing a diff is an array of tuples:\n * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]\n * which means: delete 'Hello', add 'Goodbye' and keep ' world.'\n */\nvar DIFF_DELETE = -1;\nvar DIFF_INSERT = 1;\nvar DIFF_EQUAL = 0;\n\n/**\n * Class representing one diff tuple.\n * ~Attempts to look like a two-element array (which is what this used to be).~\n * Constructor returns an actual two-element array, to allow destructing @JackuB\n * See https://github.com/JackuB/diff-match-patch/issues/14 for details\n * @param {number} op Operation, one of: DIFF_DELETE, DIFF_INSERT, DIFF_EQUAL.\n * @param {string} text Text to be deleted, inserted, or retained.\n * @constructor\n */\ndiff_match_patch.Diff = function(op, text) {\n  return [op, text];\n};\n\n/**\n * Find the differences between two texts.  Simplifies the problem by stripping\n * any common prefix or suffix off the texts before diffing.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {boolean=} opt_checklines Optional speedup flag. If present and false,\n *     then don't run a line-level diff first to identify the changed areas.\n *     Defaults to true, which does a faster, slightly less optimal diff.\n * @param {number=} opt_deadline Optional time when the diff should be complete\n *     by.  Used internally for recursive calls.  Users should set DiffTimeout\n *     instead.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_main = function(text1, text2, opt_checklines,\n    opt_deadline) {\n  // Set a deadline by which time the diff must be complete.\n  if (typeof opt_deadline == 'undefined') {\n    if (this.Diff_Timeout <= 0) {\n      opt_deadline = Number.MAX_VALUE;\n    } else {\n      opt_deadline = (new Date).getTime() + this.Diff_Timeout * 1000;\n    }\n  }\n  var deadline = opt_deadline;\n\n  // Check for null inputs.\n  if (text1 == null || text2 == null) {\n    throw new Error('Null input. (diff_main)');\n  }\n\n  // Check for equality (speedup).\n  if (text1 == text2) {\n    if (text1) {\n      return [new diff_match_patch.Diff(DIFF_EQUAL, text1)];\n    }\n    return [];\n  }\n\n  if (typeof opt_checklines == 'undefined') {\n    opt_checklines = true;\n  }\n  var checklines = opt_checklines;\n\n  // Trim off common prefix (speedup).\n  var commonlength = this.diff_commonPrefix(text1, text2);\n  var commonprefix = text1.substring(0, commonlength);\n  text1 = text1.substring(commonlength);\n  text2 = text2.substring(commonlength);\n\n  // Trim off common suffix (speedup).\n  commonlength = this.diff_commonSuffix(text1, text2);\n  var commonsuffix = text1.substring(text1.length - commonlength);\n  text1 = text1.substring(0, text1.length - commonlength);\n  text2 = text2.substring(0, text2.length - commonlength);\n\n  // Compute the diff on the middle block.\n  var diffs = this.diff_compute_(text1, text2, checklines, deadline);\n\n  // Restore the prefix and suffix.\n  if (commonprefix) {\n    diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, commonprefix));\n  }\n  if (commonsuffix) {\n    diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, commonsuffix));\n  }\n  this.diff_cleanupMerge(diffs);\n  return diffs;\n};\n\n\n/**\n * Find the differences between two texts.  Assumes that the texts do not\n * have any common prefix or suffix.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {boolean} checklines Speedup flag.  If false, then don't run a\n *     line-level diff first to identify the changed areas.\n *     If true, then run a faster, slightly less optimal diff.\n * @param {number} deadline Time when the diff should be complete by.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_compute_ = function(text1, text2, checklines,\n    deadline) {\n  var diffs;\n\n  if (!text1) {\n    // Just add some text (speedup).\n    return [new diff_match_patch.Diff(DIFF_INSERT, text2)];\n  }\n\n  if (!text2) {\n    // Just delete some text (speedup).\n    return [new diff_match_patch.Diff(DIFF_DELETE, text1)];\n  }\n\n  var longtext = text1.length > text2.length ? text1 : text2;\n  var shorttext = text1.length > text2.length ? text2 : text1;\n  var i = longtext.indexOf(shorttext);\n  if (i != -1) {\n    // Shorter text is inside the longer text (speedup).\n    diffs = [new diff_match_patch.Diff(DIFF_INSERT, longtext.substring(0, i)),\n             new diff_match_patch.Diff(DIFF_EQUAL, shorttext),\n             new diff_match_patch.Diff(DIFF_INSERT,\n                 longtext.substring(i + shorttext.length))];\n    // Swap insertions for deletions if diff is reversed.\n    if (text1.length > text2.length) {\n      diffs[0][0] = diffs[2][0] = DIFF_DELETE;\n    }\n    return diffs;\n  }\n\n  if (shorttext.length == 1) {\n    // Single character string.\n    // After the previous speedup, the character can't be an equality.\n    return [new diff_match_patch.Diff(DIFF_DELETE, text1),\n            new diff_match_patch.Diff(DIFF_INSERT, text2)];\n  }\n\n  // Check to see if the problem can be split in two.\n  var hm = this.diff_halfMatch_(text1, text2);\n  if (hm) {\n    // A half-match was found, sort out the return data.\n    var text1_a = hm[0];\n    var text1_b = hm[1];\n    var text2_a = hm[2];\n    var text2_b = hm[3];\n    var mid_common = hm[4];\n    // Send both pairs off for separate processing.\n    var diffs_a = this.diff_main(text1_a, text2_a, checklines, deadline);\n    var diffs_b = this.diff_main(text1_b, text2_b, checklines, deadline);\n    // Merge the results.\n    return diffs_a.concat([new diff_match_patch.Diff(DIFF_EQUAL, mid_common)],\n                          diffs_b);\n  }\n\n  if (checklines && text1.length > 100 && text2.length > 100) {\n    return this.diff_lineMode_(text1, text2, deadline);\n  }\n\n  return this.diff_bisect_(text1, text2, deadline);\n};\n\n\n/**\n * Do a quick line-level diff on both strings, then rediff the parts for\n * greater accuracy.\n * This speedup can produce non-minimal diffs.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} deadline Time when the diff should be complete by.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_lineMode_ = function(text1, text2, deadline) {\n  // Scan the text on a line-by-line basis first.\n  var a = this.diff_linesToChars_(text1, text2);\n  text1 = a.chars1;\n  text2 = a.chars2;\n  var linearray = a.lineArray;\n\n  var diffs = this.diff_main(text1, text2, false, deadline);\n\n  // Convert the diff back to original text.\n  this.diff_charsToLines_(diffs, linearray);\n  // Eliminate freak matches (e.g. blank lines)\n  this.diff_cleanupSemantic(diffs);\n\n  // Rediff any replacement blocks, this time character-by-character.\n  // Add a dummy entry at the end.\n  diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, ''));\n  var pointer = 0;\n  var count_delete = 0;\n  var count_insert = 0;\n  var text_delete = '';\n  var text_insert = '';\n  while (pointer < diffs.length) {\n    switch (diffs[pointer][0]) {\n      case DIFF_INSERT:\n        count_insert++;\n        text_insert += diffs[pointer][1];\n        break;\n      case DIFF_DELETE:\n        count_delete++;\n        text_delete += diffs[pointer][1];\n        break;\n      case DIFF_EQUAL:\n        // Upon reaching an equality, check for prior redundancies.\n        if (count_delete >= 1 && count_insert >= 1) {\n          // Delete the offending records and add the merged ones.\n          diffs.splice(pointer - count_delete - count_insert,\n                       count_delete + count_insert);\n          pointer = pointer - count_delete - count_insert;\n          var subDiff =\n              this.diff_main(text_delete, text_insert, false, deadline);\n          for (var j = subDiff.length - 1; j >= 0; j--) {\n            diffs.splice(pointer, 0, subDiff[j]);\n          }\n          pointer = pointer + subDiff.length;\n        }\n        count_insert = 0;\n        count_delete = 0;\n        text_delete = '';\n        text_insert = '';\n        break;\n    }\n    pointer++;\n  }\n  diffs.pop();  // Remove the dummy entry at the end.\n\n  return diffs;\n};\n\n\n/**\n * Find the 'middle snake' of a diff, split the problem in two\n * and return the recursively constructed diff.\n * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} deadline Time at which to bail if not yet complete.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_bisect_ = function(text1, text2, deadline) {\n  // Cache the text lengths to prevent multiple calls.\n  var text1_length = text1.length;\n  var text2_length = text2.length;\n  var max_d = Math.ceil((text1_length + text2_length) / 2);\n  var v_offset = max_d;\n  var v_length = 2 * max_d;\n  var v1 = new Array(v_length);\n  var v2 = new Array(v_length);\n  // Setting all elements to -1 is faster in Chrome & Firefox than mixing\n  // integers and undefined.\n  for (var x = 0; x < v_length; x++) {\n    v1[x] = -1;\n    v2[x] = -1;\n  }\n  v1[v_offset + 1] = 0;\n  v2[v_offset + 1] = 0;\n  var delta = text1_length - text2_length;\n  // If the total number of characters is odd, then the front path will collide\n  // with the reverse path.\n  var front = (delta % 2 != 0);\n  // Offsets for start and end of k loop.\n  // Prevents mapping of space beyond the grid.\n  var k1start = 0;\n  var k1end = 0;\n  var k2start = 0;\n  var k2end = 0;\n  for (var d = 0; d < max_d; d++) {\n    // Bail out if deadline is reached.\n    if ((new Date()).getTime() > deadline) {\n      break;\n    }\n\n    // Walk the front path one step.\n    for (var k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {\n      var k1_offset = v_offset + k1;\n      var x1;\n      if (k1 == -d || (k1 != d && v1[k1_offset - 1] < v1[k1_offset + 1])) {\n        x1 = v1[k1_offset + 1];\n      } else {\n        x1 = v1[k1_offset - 1] + 1;\n      }\n      var y1 = x1 - k1;\n      while (x1 < text1_length && y1 < text2_length &&\n             text1.charAt(x1) == text2.charAt(y1)) {\n        x1++;\n        y1++;\n      }\n      v1[k1_offset] = x1;\n      if (x1 > text1_length) {\n        // Ran off the right of the graph.\n        k1end += 2;\n      } else if (y1 > text2_length) {\n        // Ran off the bottom of the graph.\n        k1start += 2;\n      } else if (front) {\n        var k2_offset = v_offset + delta - k1;\n        if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] != -1) {\n          // Mirror x2 onto top-left coordinate system.\n          var x2 = text1_length - v2[k2_offset];\n          if (x1 >= x2) {\n            // Overlap detected.\n            return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);\n          }\n        }\n      }\n    }\n\n    // Walk the reverse path one step.\n    for (var k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {\n      var k2_offset = v_offset + k2;\n      var x2;\n      if (k2 == -d || (k2 != d && v2[k2_offset - 1] < v2[k2_offset + 1])) {\n        x2 = v2[k2_offset + 1];\n      } else {\n        x2 = v2[k2_offset - 1] + 1;\n      }\n      var y2 = x2 - k2;\n      while (x2 < text1_length && y2 < text2_length &&\n             text1.charAt(text1_length - x2 - 1) ==\n             text2.charAt(text2_length - y2 - 1)) {\n        x2++;\n        y2++;\n      }\n      v2[k2_offset] = x2;\n      if (x2 > text1_length) {\n        // Ran off the left of the graph.\n        k2end += 2;\n      } else if (y2 > text2_length) {\n        // Ran off the top of the graph.\n        k2start += 2;\n      } else if (!front) {\n        var k1_offset = v_offset + delta - k2;\n        if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] != -1) {\n          var x1 = v1[k1_offset];\n          var y1 = v_offset + x1 - k1_offset;\n          // Mirror x2 onto top-left coordinate system.\n          x2 = text1_length - x2;\n          if (x1 >= x2) {\n            // Overlap detected.\n            return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);\n          }\n        }\n      }\n    }\n  }\n  // Diff took too long and hit the deadline or\n  // number of diffs equals number of characters, no commonality at all.\n  return [new diff_match_patch.Diff(DIFF_DELETE, text1),\n          new diff_match_patch.Diff(DIFF_INSERT, text2)];\n};\n\n\n/**\n * Given the location of the 'middle snake', split the diff in two parts\n * and recurse.\n * @param {string} text1 Old string to be diffed.\n * @param {string} text2 New string to be diffed.\n * @param {number} x Index of split point in text1.\n * @param {number} y Index of split point in text2.\n * @param {number} deadline Time at which to bail if not yet complete.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n * @private\n */\ndiff_match_patch.prototype.diff_bisectSplit_ = function(text1, text2, x, y,\n    deadline) {\n  var text1a = text1.substring(0, x);\n  var text2a = text2.substring(0, y);\n  var text1b = text1.substring(x);\n  var text2b = text2.substring(y);\n\n  // Compute both diffs serially.\n  var diffs = this.diff_main(text1a, text2a, false, deadline);\n  var diffsb = this.diff_main(text1b, text2b, false, deadline);\n\n  return diffs.concat(diffsb);\n};\n\n\n/**\n * Split two texts into an array of strings.  Reduce the texts to a string of\n * hashes where each Unicode character represents one line.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}\n *     An object containing the encoded text1, the encoded text2 and\n *     the array of unique strings.\n *     The zeroth element of the array of unique strings is intentionally blank.\n * @private\n */\ndiff_match_patch.prototype.diff_linesToChars_ = function(text1, text2) {\n  var lineArray = [];  // e.g. lineArray[4] == 'Hello\\n'\n  var lineHash = {};   // e.g. lineHash['Hello\\n'] == 4\n\n  // '\\x00' is a valid character, but various debuggers don't like it.\n  // So we'll insert a junk entry to avoid generating a null character.\n  lineArray[0] = '';\n\n  /**\n   * Split a text into an array of strings.  Reduce the texts to a string of\n   * hashes where each Unicode character represents one line.\n   * Modifies linearray and linehash through being a closure.\n   * @param {string} text String to encode.\n   * @return {string} Encoded string.\n   * @private\n   */\n  function diff_linesToCharsMunge_(text) {\n    var chars = '';\n    // Walk the text, pulling out a substring for each line.\n    // text.split('\\n') would would temporarily double our memory footprint.\n    // Modifying text would create many large strings to garbage collect.\n    var lineStart = 0;\n    var lineEnd = -1;\n    // Keeping our own length variable is faster than looking it up.\n    var lineArrayLength = lineArray.length;\n    while (lineEnd < text.length - 1) {\n      lineEnd = text.indexOf('\\n', lineStart);\n      if (lineEnd == -1) {\n        lineEnd = text.length - 1;\n      }\n      var line = text.substring(lineStart, lineEnd + 1);\n\n      if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) :\n          (lineHash[line] !== undefined)) {\n        chars += String.fromCharCode(lineHash[line]);\n      } else {\n        if (lineArrayLength == maxLines) {\n          // Bail out at 65535 because\n          // String.fromCharCode(65536) == String.fromCharCode(0)\n          line = text.substring(lineStart);\n          lineEnd = text.length;\n        }\n        chars += String.fromCharCode(lineArrayLength);\n        lineHash[line] = lineArrayLength;\n        lineArray[lineArrayLength++] = line;\n      }\n      lineStart = lineEnd + 1;\n    }\n    return chars;\n  }\n  // Allocate 2/3rds of the space for text1, the rest for text2.\n  var maxLines = 40000;\n  var chars1 = diff_linesToCharsMunge_(text1);\n  maxLines = 65535;\n  var chars2 = diff_linesToCharsMunge_(text2);\n  return {chars1: chars1, chars2: chars2, lineArray: lineArray};\n};\n\n\n/**\n * Rehydrate the text in a diff from a string of line hashes to real lines of\n * text.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @param {!Array.<string>} lineArray Array of unique strings.\n * @private\n */\ndiff_match_patch.prototype.diff_charsToLines_ = function(diffs, lineArray) {\n  for (var i = 0; i < diffs.length; i++) {\n    var chars = diffs[i][1];\n    var text = [];\n    for (var j = 0; j < chars.length; j++) {\n      text[j] = lineArray[chars.charCodeAt(j)];\n    }\n    diffs[i][1] = text.join('');\n  }\n};\n\n\n/**\n * Determine the common prefix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the start of each\n *     string.\n */\ndiff_match_patch.prototype.diff_commonPrefix = function(text1, text2) {\n  // Quick check for common null cases.\n  if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {\n    return 0;\n  }\n  // Binary search.\n  // Performance analysis: https://neil.fraser.name/news/2007/10/09/\n  var pointermin = 0;\n  var pointermax = Math.min(text1.length, text2.length);\n  var pointermid = pointermax;\n  var pointerstart = 0;\n  while (pointermin < pointermid) {\n    if (text1.substring(pointerstart, pointermid) ==\n        text2.substring(pointerstart, pointermid)) {\n      pointermin = pointermid;\n      pointerstart = pointermin;\n    } else {\n      pointermax = pointermid;\n    }\n    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n  }\n  return pointermid;\n};\n\n\n/**\n * Determine the common suffix of two strings.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the end of each string.\n */\ndiff_match_patch.prototype.diff_commonSuffix = function(text1, text2) {\n  // Quick check for common null cases.\n  if (!text1 || !text2 ||\n      text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {\n    return 0;\n  }\n  // Binary search.\n  // Performance analysis: https://neil.fraser.name/news/2007/10/09/\n  var pointermin = 0;\n  var pointermax = Math.min(text1.length, text2.length);\n  var pointermid = pointermax;\n  var pointerend = 0;\n  while (pointermin < pointermid) {\n    if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==\n        text2.substring(text2.length - pointermid, text2.length - pointerend)) {\n      pointermin = pointermid;\n      pointerend = pointermin;\n    } else {\n      pointermax = pointermid;\n    }\n    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);\n  }\n  return pointermid;\n};\n\n\n/**\n * Determine if the suffix of one string is the prefix of another.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {number} The number of characters common to the end of the first\n *     string and the start of the second string.\n * @private\n */\ndiff_match_patch.prototype.diff_commonOverlap_ = function(text1, text2) {\n  // Cache the text lengths to prevent multiple calls.\n  var text1_length = text1.length;\n  var text2_length = text2.length;\n  // Eliminate the null case.\n  if (text1_length == 0 || text2_length == 0) {\n    return 0;\n  }\n  // Truncate the longer string.\n  if (text1_length > text2_length) {\n    text1 = text1.substring(text1_length - text2_length);\n  } else if (text1_length < text2_length) {\n    text2 = text2.substring(0, text1_length);\n  }\n  var text_length = Math.min(text1_length, text2_length);\n  // Quick check for the worst case.\n  if (text1 == text2) {\n    return text_length;\n  }\n\n  // Start by looking for a single character match\n  // and increase length until no match is found.\n  // Performance analysis: https://neil.fraser.name/news/2010/11/04/\n  var best = 0;\n  var length = 1;\n  while (true) {\n    var pattern = text1.substring(text_length - length);\n    var found = text2.indexOf(pattern);\n    if (found == -1) {\n      return best;\n    }\n    length += found;\n    if (found == 0 || text1.substring(text_length - length) ==\n        text2.substring(0, length)) {\n      best = length;\n      length++;\n    }\n  }\n};\n\n\n/**\n * Do the two texts share a substring which is at least half the length of the\n * longer text?\n * This speedup can produce non-minimal diffs.\n * @param {string} text1 First string.\n * @param {string} text2 Second string.\n * @return {Array.<string>} Five element Array, containing the prefix of\n *     text1, the suffix of text1, the prefix of text2, the suffix of\n *     text2 and the common middle.  Or null if there was no match.\n * @private\n */\ndiff_match_patch.prototype.diff_halfMatch_ = function(text1, text2) {\n  if (this.Diff_Timeout <= 0) {\n    // Don't risk returning a non-optimal diff if we have unlimited time.\n    return null;\n  }\n  var longtext = text1.length > text2.length ? text1 : text2;\n  var shorttext = text1.length > text2.length ? text2 : text1;\n  if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {\n    return null;  // Pointless.\n  }\n  var dmp = this;  // 'this' becomes 'window' in a closure.\n\n  /**\n   * Does a substring of shorttext exist within longtext such that the substring\n   * is at least half the length of longtext?\n   * Closure, but does not reference any external variables.\n   * @param {string} longtext Longer string.\n   * @param {string} shorttext Shorter string.\n   * @param {number} i Start index of quarter length substring within longtext.\n   * @return {Array.<string>} Five element Array, containing the prefix of\n   *     longtext, the suffix of longtext, the prefix of shorttext, the suffix\n   *     of shorttext and the common middle.  Or null if there was no match.\n   * @private\n   */\n  function diff_halfMatchI_(longtext, shorttext, i) {\n    // Start with a 1/4 length substring at position i as a seed.\n    var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));\n    var j = -1;\n    var best_common = '';\n    var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;\n    while ((j = shorttext.indexOf(seed, j + 1)) != -1) {\n      var prefixLength = dmp.diff_commonPrefix(longtext.substring(i),\n                                               shorttext.substring(j));\n      var suffixLength = dmp.diff_commonSuffix(longtext.substring(0, i),\n                                               shorttext.substring(0, j));\n      if (best_common.length < suffixLength + prefixLength) {\n        best_common = shorttext.substring(j - suffixLength, j) +\n            shorttext.substring(j, j + prefixLength);\n        best_longtext_a = longtext.substring(0, i - suffixLength);\n        best_longtext_b = longtext.substring(i + prefixLength);\n        best_shorttext_a = shorttext.substring(0, j - suffixLength);\n        best_shorttext_b = shorttext.substring(j + prefixLength);\n      }\n    }\n    if (best_common.length * 2 >= longtext.length) {\n      return [best_longtext_a, best_longtext_b,\n              best_shorttext_a, best_shorttext_b, best_common];\n    } else {\n      return null;\n    }\n  }\n\n  // First check if the second quarter is the seed for a half-match.\n  var hm1 = diff_halfMatchI_(longtext, shorttext,\n                             Math.ceil(longtext.length / 4));\n  // Check again based on the third quarter.\n  var hm2 = diff_halfMatchI_(longtext, shorttext,\n                             Math.ceil(longtext.length / 2));\n  var hm;\n  if (!hm1 && !hm2) {\n    return null;\n  } else if (!hm2) {\n    hm = hm1;\n  } else if (!hm1) {\n    hm = hm2;\n  } else {\n    // Both matched.  Select the longest.\n    hm = hm1[4].length > hm2[4].length ? hm1 : hm2;\n  }\n\n  // A half-match was found, sort out the return data.\n  var text1_a, text1_b, text2_a, text2_b;\n  if (text1.length > text2.length) {\n    text1_a = hm[0];\n    text1_b = hm[1];\n    text2_a = hm[2];\n    text2_b = hm[3];\n  } else {\n    text2_a = hm[0];\n    text2_b = hm[1];\n    text1_a = hm[2];\n    text1_b = hm[3];\n  }\n  var mid_common = hm[4];\n  return [text1_a, text1_b, text2_a, text2_b, mid_common];\n};\n\n\n/**\n * Reduce the number of edits by eliminating semantically trivial equalities.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_cleanupSemantic = function(diffs) {\n  var changes = false;\n  var equalities = [];  // Stack of indices where equalities are found.\n  var equalitiesLength = 0;  // Keeping our own length var is faster in JS.\n  /** @type {?string} */\n  var lastEquality = null;\n  // Always equal to diffs[equalities[equalitiesLength - 1]][1]\n  var pointer = 0;  // Index of current position.\n  // Number of characters that changed prior to the equality.\n  var length_insertions1 = 0;\n  var length_deletions1 = 0;\n  // Number of characters that changed after the equality.\n  var length_insertions2 = 0;\n  var length_deletions2 = 0;\n  while (pointer < diffs.length) {\n    if (diffs[pointer][0] == DIFF_EQUAL) {  // Equality found.\n      equalities[equalitiesLength++] = pointer;\n      length_insertions1 = length_insertions2;\n      length_deletions1 = length_deletions2;\n      length_insertions2 = 0;\n      length_deletions2 = 0;\n      lastEquality = diffs[pointer][1];\n    } else {  // An insertion or deletion.\n      if (diffs[pointer][0] == DIFF_INSERT) {\n        length_insertions2 += diffs[pointer][1].length;\n      } else {\n        length_deletions2 += diffs[pointer][1].length;\n      }\n      // Eliminate an equality that is smaller or equal to the edits on both\n      // sides of it.\n      if (lastEquality && (lastEquality.length <=\n          Math.max(length_insertions1, length_deletions1)) &&\n          (lastEquality.length <= Math.max(length_insertions2,\n                                           length_deletions2))) {\n        // Duplicate record.\n        diffs.splice(equalities[equalitiesLength - 1], 0,\n                     new diff_match_patch.Diff(DIFF_DELETE, lastEquality));\n        // Change second copy to insert.\n        diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;\n        // Throw away the equality we just deleted.\n        equalitiesLength--;\n        // Throw away the previous equality (it needs to be reevaluated).\n        equalitiesLength--;\n        pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;\n        length_insertions1 = 0;  // Reset the counters.\n        length_deletions1 = 0;\n        length_insertions2 = 0;\n        length_deletions2 = 0;\n        lastEquality = null;\n        changes = true;\n      }\n    }\n    pointer++;\n  }\n\n  // Normalize the diff.\n  if (changes) {\n    this.diff_cleanupMerge(diffs);\n  }\n  this.diff_cleanupSemanticLossless(diffs);\n\n  // Find any overlaps between deletions and insertions.\n  // e.g: <del>abcxxx</del><ins>xxxdef</ins>\n  //   -> <del>abc</del>xxx<ins>def</ins>\n  // e.g: <del>xxxabc</del><ins>defxxx</ins>\n  //   -> <ins>def</ins>xxx<del>abc</del>\n  // Only extract an overlap if it is as big as the edit ahead or behind it.\n  pointer = 1;\n  while (pointer < diffs.length) {\n    if (diffs[pointer - 1][0] == DIFF_DELETE &&\n        diffs[pointer][0] == DIFF_INSERT) {\n      var deletion = diffs[pointer - 1][1];\n      var insertion = diffs[pointer][1];\n      var overlap_length1 = this.diff_commonOverlap_(deletion, insertion);\n      var overlap_length2 = this.diff_commonOverlap_(insertion, deletion);\n      if (overlap_length1 >= overlap_length2) {\n        if (overlap_length1 >= deletion.length / 2 ||\n            overlap_length1 >= insertion.length / 2) {\n          // Overlap found.  Insert an equality and trim the surrounding edits.\n          diffs.splice(pointer, 0, new diff_match_patch.Diff(DIFF_EQUAL,\n              insertion.substring(0, overlap_length1)));\n          diffs[pointer - 1][1] =\n              deletion.substring(0, deletion.length - overlap_length1);\n          diffs[pointer + 1][1] = insertion.substring(overlap_length1);\n          pointer++;\n        }\n      } else {\n        if (overlap_length2 >= deletion.length / 2 ||\n            overlap_length2 >= insertion.length / 2) {\n          // Reverse overlap found.\n          // Insert an equality and swap and trim the surrounding edits.\n          diffs.splice(pointer, 0, new diff_match_patch.Diff(DIFF_EQUAL,\n              deletion.substring(0, overlap_length2)));\n          diffs[pointer - 1][0] = DIFF_INSERT;\n          diffs[pointer - 1][1] =\n              insertion.substring(0, insertion.length - overlap_length2);\n          diffs[pointer + 1][0] = DIFF_DELETE;\n          diffs[pointer + 1][1] =\n              deletion.substring(overlap_length2);\n          pointer++;\n        }\n      }\n      pointer++;\n    }\n    pointer++;\n  }\n};\n\n\n/**\n * Look for single edits surrounded on both sides by equalities\n * which can be shifted sideways to align the edit to a word boundary.\n * e.g: The c<ins>at c</ins>ame. -> The <ins>cat </ins>came.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_cleanupSemanticLossless = function(diffs) {\n  /**\n   * Given two strings, compute a score representing whether the internal\n   * boundary falls on logical boundaries.\n   * Scores range from 6 (best) to 0 (worst).\n   * Closure, but does not reference any external variables.\n   * @param {string} one First string.\n   * @param {string} two Second string.\n   * @return {number} The score.\n   * @private\n   */\n  function diff_cleanupSemanticScore_(one, two) {\n    if (!one || !two) {\n      // Edges are the best.\n      return 6;\n    }\n\n    // Each port of this function behaves slightly differently due to\n    // subtle differences in each language's definition of things like\n    // 'whitespace'.  Since this function's purpose is largely cosmetic,\n    // the choice has been made to use each language's native features\n    // rather than force total conformity.\n    var char1 = one.charAt(one.length - 1);\n    var char2 = two.charAt(0);\n    var nonAlphaNumeric1 = char1.match(diff_match_patch.nonAlphaNumericRegex_);\n    var nonAlphaNumeric2 = char2.match(diff_match_patch.nonAlphaNumericRegex_);\n    var whitespace1 = nonAlphaNumeric1 &&\n        char1.match(diff_match_patch.whitespaceRegex_);\n    var whitespace2 = nonAlphaNumeric2 &&\n        char2.match(diff_match_patch.whitespaceRegex_);\n    var lineBreak1 = whitespace1 &&\n        char1.match(diff_match_patch.linebreakRegex_);\n    var lineBreak2 = whitespace2 &&\n        char2.match(diff_match_patch.linebreakRegex_);\n    var blankLine1 = lineBreak1 &&\n        one.match(diff_match_patch.blanklineEndRegex_);\n    var blankLine2 = lineBreak2 &&\n        two.match(diff_match_patch.blanklineStartRegex_);\n\n    if (blankLine1 || blankLine2) {\n      // Five points for blank lines.\n      return 5;\n    } else if (lineBreak1 || lineBreak2) {\n      // Four points for line breaks.\n      return 4;\n    } else if (nonAlphaNumeric1 && !whitespace1 && whitespace2) {\n      // Three points for end of sentences.\n      return 3;\n    } else if (whitespace1 || whitespace2) {\n      // Two points for whitespace.\n      return 2;\n    } else if (nonAlphaNumeric1 || nonAlphaNumeric2) {\n      // One point for non-alphanumeric.\n      return 1;\n    }\n    return 0;\n  }\n\n  var pointer = 1;\n  // Intentionally ignore the first and last element (don't need checking).\n  while (pointer < diffs.length - 1) {\n    if (diffs[pointer - 1][0] == DIFF_EQUAL &&\n        diffs[pointer + 1][0] == DIFF_EQUAL) {\n      // This is a single edit surrounded by equalities.\n      var equality1 = diffs[pointer - 1][1];\n      var edit = diffs[pointer][1];\n      var equality2 = diffs[pointer + 1][1];\n\n      // First, shift the edit as far left as possible.\n      var commonOffset = this.diff_commonSuffix(equality1, edit);\n      if (commonOffset) {\n        var commonString = edit.substring(edit.length - commonOffset);\n        equality1 = equality1.substring(0, equality1.length - commonOffset);\n        edit = commonString + edit.substring(0, edit.length - commonOffset);\n        equality2 = commonString + equality2;\n      }\n\n      // Second, step character by character right, looking for the best fit.\n      var bestEquality1 = equality1;\n      var bestEdit = edit;\n      var bestEquality2 = equality2;\n      var bestScore = diff_cleanupSemanticScore_(equality1, edit) +\n          diff_cleanupSemanticScore_(edit, equality2);\n      while (edit.charAt(0) === equality2.charAt(0)) {\n        equality1 += edit.charAt(0);\n        edit = edit.substring(1) + equality2.charAt(0);\n        equality2 = equality2.substring(1);\n        var score = diff_cleanupSemanticScore_(equality1, edit) +\n            diff_cleanupSemanticScore_(edit, equality2);\n        // The >= encourages trailing rather than leading whitespace on edits.\n        if (score >= bestScore) {\n          bestScore = score;\n          bestEquality1 = equality1;\n          bestEdit = edit;\n          bestEquality2 = equality2;\n        }\n      }\n\n      if (diffs[pointer - 1][1] != bestEquality1) {\n        // We have an improvement, save it back to the diff.\n        if (bestEquality1) {\n          diffs[pointer - 1][1] = bestEquality1;\n        } else {\n          diffs.splice(pointer - 1, 1);\n          pointer--;\n        }\n        diffs[pointer][1] = bestEdit;\n        if (bestEquality2) {\n          diffs[pointer + 1][1] = bestEquality2;\n        } else {\n          diffs.splice(pointer + 1, 1);\n          pointer--;\n        }\n      }\n    }\n    pointer++;\n  }\n};\n\n// Define some regex patterns for matching boundaries.\ndiff_match_patch.nonAlphaNumericRegex_ = /[^a-zA-Z0-9]/;\ndiff_match_patch.whitespaceRegex_ = /\\s/;\ndiff_match_patch.linebreakRegex_ = /[\\r\\n]/;\ndiff_match_patch.blanklineEndRegex_ = /\\n\\r?\\n$/;\ndiff_match_patch.blanklineStartRegex_ = /^\\r?\\n\\r?\\n/;\n\n/**\n * Reduce the number of edits by eliminating operationally trivial equalities.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_cleanupEfficiency = function(diffs) {\n  var changes = false;\n  var equalities = [];  // Stack of indices where equalities are found.\n  var equalitiesLength = 0;  // Keeping our own length var is faster in JS.\n  /** @type {?string} */\n  var lastEquality = null;\n  // Always equal to diffs[equalities[equalitiesLength - 1]][1]\n  var pointer = 0;  // Index of current position.\n  // Is there an insertion operation before the last equality.\n  var pre_ins = false;\n  // Is there a deletion operation before the last equality.\n  var pre_del = false;\n  // Is there an insertion operation after the last equality.\n  var post_ins = false;\n  // Is there a deletion operation after the last equality.\n  var post_del = false;\n  while (pointer < diffs.length) {\n    if (diffs[pointer][0] == DIFF_EQUAL) {  // Equality found.\n      if (diffs[pointer][1].length < this.Diff_EditCost &&\n          (post_ins || post_del)) {\n        // Candidate found.\n        equalities[equalitiesLength++] = pointer;\n        pre_ins = post_ins;\n        pre_del = post_del;\n        lastEquality = diffs[pointer][1];\n      } else {\n        // Not a candidate, and can never become one.\n        equalitiesLength = 0;\n        lastEquality = null;\n      }\n      post_ins = post_del = false;\n    } else {  // An insertion or deletion.\n      if (diffs[pointer][0] == DIFF_DELETE) {\n        post_del = true;\n      } else {\n        post_ins = true;\n      }\n      /*\n       * Five types to be split:\n       * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>\n       * <ins>A</ins>X<ins>C</ins><del>D</del>\n       * <ins>A</ins><del>B</del>X<ins>C</ins>\n       * <ins>A</del>X<ins>C</ins><del>D</del>\n       * <ins>A</ins><del>B</del>X<del>C</del>\n       */\n      if (lastEquality && ((pre_ins && pre_del && post_ins && post_del) ||\n                           ((lastEquality.length < this.Diff_EditCost / 2) &&\n                            (pre_ins + pre_del + post_ins + post_del) == 3))) {\n        // Duplicate record.\n        diffs.splice(equalities[equalitiesLength - 1], 0,\n                     new diff_match_patch.Diff(DIFF_DELETE, lastEquality));\n        // Change second copy to insert.\n        diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;\n        equalitiesLength--;  // Throw away the equality we just deleted;\n        lastEquality = null;\n        if (pre_ins && pre_del) {\n          // No changes made which could affect previous entry, keep going.\n          post_ins = post_del = true;\n          equalitiesLength = 0;\n        } else {\n          equalitiesLength--;  // Throw away the previous equality.\n          pointer = equalitiesLength > 0 ?\n              equalities[equalitiesLength - 1] : -1;\n          post_ins = post_del = false;\n        }\n        changes = true;\n      }\n    }\n    pointer++;\n  }\n\n  if (changes) {\n    this.diff_cleanupMerge(diffs);\n  }\n};\n\n\n/**\n * Reorder and merge like edit sections.  Merge equalities.\n * Any edit section can move as long as it doesn't cross an equality.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n */\ndiff_match_patch.prototype.diff_cleanupMerge = function(diffs) {\n  // Add a dummy entry at the end.\n  diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, ''));\n  var pointer = 0;\n  var count_delete = 0;\n  var count_insert = 0;\n  var text_delete = '';\n  var text_insert = '';\n  var commonlength;\n  while (pointer < diffs.length) {\n    switch (diffs[pointer][0]) {\n      case DIFF_INSERT:\n        count_insert++;\n        text_insert += diffs[pointer][1];\n        pointer++;\n        break;\n      case DIFF_DELETE:\n        count_delete++;\n        text_delete += diffs[pointer][1];\n        pointer++;\n        break;\n      case DIFF_EQUAL:\n        // Upon reaching an equality, check for prior redundancies.\n        if (count_delete + count_insert > 1) {\n          if (count_delete !== 0 && count_insert !== 0) {\n            // Factor out any common prefixies.\n            commonlength = this.diff_commonPrefix(text_insert, text_delete);\n            if (commonlength !== 0) {\n              if ((pointer - count_delete - count_insert) > 0 &&\n                  diffs[pointer - count_delete - count_insert - 1][0] ==\n                  DIFF_EQUAL) {\n                diffs[pointer - count_delete - count_insert - 1][1] +=\n                    text_insert.substring(0, commonlength);\n              } else {\n                diffs.splice(0, 0, new diff_match_patch.Diff(DIFF_EQUAL,\n                    text_insert.substring(0, commonlength)));\n                pointer++;\n              }\n              text_insert = text_insert.substring(commonlength);\n              text_delete = text_delete.substring(commonlength);\n            }\n            // Factor out any common suffixies.\n            commonlength = this.diff_commonSuffix(text_insert, text_delete);\n            if (commonlength !== 0) {\n              diffs[pointer][1] = text_insert.substring(text_insert.length -\n                  commonlength) + diffs[pointer][1];\n              text_insert = text_insert.substring(0, text_insert.length -\n                  commonlength);\n              text_delete = text_delete.substring(0, text_delete.length -\n                  commonlength);\n            }\n          }\n          // Delete the offending records and add the merged ones.\n          pointer -= count_delete + count_insert;\n          diffs.splice(pointer, count_delete + count_insert);\n          if (text_delete.length) {\n            diffs.splice(pointer, 0,\n                new diff_match_patch.Diff(DIFF_DELETE, text_delete));\n            pointer++;\n          }\n          if (text_insert.length) {\n            diffs.splice(pointer, 0,\n                new diff_match_patch.Diff(DIFF_INSERT, text_insert));\n            pointer++;\n          }\n          pointer++;\n        } else if (pointer !== 0 && diffs[pointer - 1][0] == DIFF_EQUAL) {\n          // Merge this equality with the previous one.\n          diffs[pointer - 1][1] += diffs[pointer][1];\n          diffs.splice(pointer, 1);\n        } else {\n          pointer++;\n        }\n        count_insert = 0;\n        count_delete = 0;\n        text_delete = '';\n        text_insert = '';\n        break;\n    }\n  }\n  if (diffs[diffs.length - 1][1] === '') {\n    diffs.pop();  // Remove the dummy entry at the end.\n  }\n\n  // Second pass: look for single edits surrounded on both sides by equalities\n  // which can be shifted sideways to eliminate an equality.\n  // e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC\n  var changes = false;\n  pointer = 1;\n  // Intentionally ignore the first and last element (don't need checking).\n  while (pointer < diffs.length - 1) {\n    if (diffs[pointer - 1][0] == DIFF_EQUAL &&\n        diffs[pointer + 1][0] == DIFF_EQUAL) {\n      // This is a single edit surrounded by equalities.\n      if (diffs[pointer][1].substring(diffs[pointer][1].length -\n          diffs[pointer - 1][1].length) == diffs[pointer - 1][1]) {\n        // Shift the edit over the previous equality.\n        diffs[pointer][1] = diffs[pointer - 1][1] +\n            diffs[pointer][1].substring(0, diffs[pointer][1].length -\n                                        diffs[pointer - 1][1].length);\n        diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];\n        diffs.splice(pointer - 1, 1);\n        changes = true;\n      } else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) ==\n          diffs[pointer + 1][1]) {\n        // Shift the edit over the next equality.\n        diffs[pointer - 1][1] += diffs[pointer + 1][1];\n        diffs[pointer][1] =\n            diffs[pointer][1].substring(diffs[pointer + 1][1].length) +\n            diffs[pointer + 1][1];\n        diffs.splice(pointer + 1, 1);\n        changes = true;\n      }\n    }\n    pointer++;\n  }\n  // If shifts were made, the diff needs reordering and another shift sweep.\n  if (changes) {\n    this.diff_cleanupMerge(diffs);\n  }\n};\n\n\n/**\n * loc is a location in text1, compute and return the equivalent location in\n * text2.\n * e.g. 'The cat' vs 'The big cat', 1->1, 5->8\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @param {number} loc Location within text1.\n * @return {number} Location within text2.\n */\ndiff_match_patch.prototype.diff_xIndex = function(diffs, loc) {\n  var chars1 = 0;\n  var chars2 = 0;\n  var last_chars1 = 0;\n  var last_chars2 = 0;\n  var x;\n  for (x = 0; x < diffs.length; x++) {\n    if (diffs[x][0] !== DIFF_INSERT) {  // Equality or deletion.\n      chars1 += diffs[x][1].length;\n    }\n    if (diffs[x][0] !== DIFF_DELETE) {  // Equality or insertion.\n      chars2 += diffs[x][1].length;\n    }\n    if (chars1 > loc) {  // Overshot the location.\n      break;\n    }\n    last_chars1 = chars1;\n    last_chars2 = chars2;\n  }\n  // Was the location was deleted?\n  if (diffs.length != x && diffs[x][0] === DIFF_DELETE) {\n    return last_chars2;\n  }\n  // Add the remaining character length.\n  return last_chars2 + (loc - last_chars1);\n};\n\n\n/**\n * Convert a diff array into a pretty HTML report.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @return {string} HTML representation.\n */\ndiff_match_patch.prototype.diff_prettyHtml = function(diffs) {\n  var html = [];\n  var pattern_amp = /&/g;\n  var pattern_lt = /</g;\n  var pattern_gt = />/g;\n  var pattern_para = /\\n/g;\n  for (var x = 0; x < diffs.length; x++) {\n    var op = diffs[x][0];    // Operation (insert, delete, equal)\n    var data = diffs[x][1];  // Text of change.\n    var text = data.replace(pattern_amp, '&amp;').replace(pattern_lt, '&lt;')\n        .replace(pattern_gt, '&gt;').replace(pattern_para, '&para;<br>');\n    switch (op) {\n      case DIFF_INSERT:\n        html[x] = '<ins style=\"background:#e6ffe6;\">' + text + '</ins>';\n        break;\n      case DIFF_DELETE:\n        html[x] = '<del style=\"background:#ffe6e6;\">' + text + '</del>';\n        break;\n      case DIFF_EQUAL:\n        html[x] = '<span>' + text + '</span>';\n        break;\n    }\n  }\n  return html.join('');\n};\n\n\n/**\n * Compute and return the source text (all equalities and deletions).\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @return {string} Source text.\n */\ndiff_match_patch.prototype.diff_text1 = function(diffs) {\n  var text = [];\n  for (var x = 0; x < diffs.length; x++) {\n    if (diffs[x][0] !== DIFF_INSERT) {\n      text[x] = diffs[x][1];\n    }\n  }\n  return text.join('');\n};\n\n\n/**\n * Compute and return the destination text (all equalities and insertions).\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @return {string} Destination text.\n */\ndiff_match_patch.prototype.diff_text2 = function(diffs) {\n  var text = [];\n  for (var x = 0; x < diffs.length; x++) {\n    if (diffs[x][0] !== DIFF_DELETE) {\n      text[x] = diffs[x][1];\n    }\n  }\n  return text.join('');\n};\n\n\n/**\n * Compute the Levenshtein distance; the number of inserted, deleted or\n * substituted characters.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @return {number} Number of changes.\n */\ndiff_match_patch.prototype.diff_levenshtein = function(diffs) {\n  var levenshtein = 0;\n  var insertions = 0;\n  var deletions = 0;\n  for (var x = 0; x < diffs.length; x++) {\n    var op = diffs[x][0];\n    var data = diffs[x][1];\n    switch (op) {\n      case DIFF_INSERT:\n        insertions += data.length;\n        break;\n      case DIFF_DELETE:\n        deletions += data.length;\n        break;\n      case DIFF_EQUAL:\n        // A deletion and an insertion is one substitution.\n        levenshtein += Math.max(insertions, deletions);\n        insertions = 0;\n        deletions = 0;\n        break;\n    }\n  }\n  levenshtein += Math.max(insertions, deletions);\n  return levenshtein;\n};\n\n\n/**\n * Crush the diff into an encoded string which describes the operations\n * required to transform text1 into text2.\n * E.g. =3\\t-2\\t+ing  -> Keep 3 chars, delete 2 chars, insert 'ing'.\n * Operations are tab-separated.  Inserted text is escaped using %xx notation.\n * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.\n * @return {string} Delta text.\n */\ndiff_match_patch.prototype.diff_toDelta = function(diffs) {\n  var text = [];\n  for (var x = 0; x < diffs.length; x++) {\n    switch (diffs[x][0]) {\n      case DIFF_INSERT:\n        text[x] = '+' + encodeURI(diffs[x][1]);\n        break;\n      case DIFF_DELETE:\n        text[x] = '-' + diffs[x][1].length;\n        break;\n      case DIFF_EQUAL:\n        text[x] = '=' + diffs[x][1].length;\n        break;\n    }\n  }\n  return text.join('\\t').replace(/%20/g, ' ');\n};\n\n\n/**\n * Given the original text1, and an encoded string which describes the\n * operations required to transform text1 into text2, compute the full diff.\n * @param {string} text1 Source string for the diff.\n * @param {string} delta Delta text.\n * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.\n * @throws {!Error} If invalid input.\n */\ndiff_match_patch.prototype.diff_fromDelta = function(text1, delta) {\n  var diffs = [];\n  var diffsLength = 0;  // Keeping our own length var is faster in JS.\n  var pointer = 0;  // Cursor in text1\n  var tokens = delta.split(/\\t/g);\n  for (var x = 0; x < tokens.length; x++) {\n    // Each token begins with a one character parameter which specifies the\n    // operation of this token (delete, insert, equality).\n    var param = tokens[x].substring(1);\n    switch (tokens[x].charAt(0)) {\n      case '+':\n        try {\n          diffs[diffsLength++] =\n              new diff_match_patch.Diff(DIFF_INSERT, decodeURI(param));\n        } catch (ex) {\n          // Malformed URI sequence.\n          throw new Error('Illegal escape in diff_fromDelta: ' + param);\n        }\n        break;\n      case '-':\n        // Fall through.\n      case '=':\n        var n = parseInt(param, 10);\n        if (isNaN(n) || n < 0) {\n          throw new Error('Invalid number in diff_fromDelta: ' + param);\n        }\n        var text = text1.substring(pointer, pointer += n);\n        if (tokens[x].charAt(0) == '=') {\n          diffs[diffsLength++] = new diff_match_patch.Diff(DIFF_EQUAL, text);\n        } else {\n          diffs[diffsLength++] = new diff_match_patch.Diff(DIFF_DELETE, text);\n        }\n        break;\n      default:\n        // Blank tokens are ok (from a trailing \\t).\n        // Anything else is an error.\n        if (tokens[x]) {\n          throw new Error('Invalid diff operation in diff_fromDelta: ' +\n                          tokens[x]);\n        }\n    }\n  }\n  if (pointer != text1.length) {\n    throw new Error('Delta length (' + pointer +\n        ') does not equal source text length (' + text1.length + ').');\n  }\n  return diffs;\n};\n\n\n//  MATCH FUNCTIONS\n\n\n/**\n * Locate the best instance of 'pattern' in 'text' near 'loc'.\n * @param {string} text The text to search.\n * @param {string} pattern The pattern to search for.\n * @param {number} loc The location to search around.\n * @return {number} Best match index or -1.\n */\ndiff_match_patch.prototype.match_main = function(text, pattern, loc) {\n  // Check for null inputs.\n  if (text == null || pattern == null || loc == null) {\n    throw new Error('Null input. (match_main)');\n  }\n\n  loc = Math.max(0, Math.min(loc, text.length));\n  if (text == pattern) {\n    // Shortcut (potentially not guaranteed by the algorithm)\n    return 0;\n  } else if (!text.length) {\n    // Nothing to match.\n    return -1;\n  } else if (text.substring(loc, loc + pattern.length) == pattern) {\n    // Perfect match at the perfect spot!  (Includes case of null pattern)\n    return loc;\n  } else {\n    // Do a fuzzy compare.\n    return this.match_bitap_(text, pattern, loc);\n  }\n};\n\n\n/**\n * Locate the best instance of 'pattern' in 'text' near 'loc' using the\n * Bitap algorithm.\n * @param {string} text The text to search.\n * @param {string} pattern The pattern to search for.\n * @param {number} loc The location to search around.\n * @return {number} Best match index or -1.\n * @private\n */\ndiff_match_patch.prototype.match_bitap_ = function(text, pattern, loc) {\n  if (pattern.length > this.Match_MaxBits) {\n    throw new Error('Pattern too long for this browser.');\n  }\n\n  // Initialise the alphabet.\n  var s = this.match_alphabet_(pattern);\n\n  var dmp = this;  // 'this' becomes 'window' in a closure.\n\n  /**\n   * Compute and return the score for a match with e errors and x location.\n   * Accesses loc and pattern through being a closure.\n   * @param {number} e Number of errors in match.\n   * @param {number} x Location of match.\n   * @return {number} Overall score for match (0.0 = good, 1.0 = bad).\n   * @private\n   */\n  function match_bitapScore_(e, x) {\n    var accuracy = e / pattern.length;\n    var proximity = Math.abs(loc - x);\n    if (!dmp.Match_Distance) {\n      // Dodge divide by zero error.\n      return proximity ? 1.0 : accuracy;\n    }\n    return accuracy + (proximity / dmp.Match_Distance);\n  }\n\n  // Highest score beyond which we give up.\n  var score_threshold = this.Match_Threshold;\n  // Is there a nearby exact match? (speedup)\n  var best_loc = text.indexOf(pattern, loc);\n  if (best_loc != -1) {\n    score_threshold = Math.min(match_bitapScore_(0, best_loc), score_threshold);\n    // What about in the other direction? (speedup)\n    best_loc = text.lastIndexOf(pattern, loc + pattern.length);\n    if (best_loc != -1) {\n      score_threshold =\n          Math.min(match_bitapScore_(0, best_loc), score_threshold);\n    }\n  }\n\n  // Initialise the bit arrays.\n  var matchmask = 1 << (pattern.length - 1);\n  best_loc = -1;\n\n  var bin_min, bin_mid;\n  var bin_max = pattern.length + text.length;\n  var last_rd;\n  for (var d = 0; d < pattern.length; d++) {\n    // Scan for the best match; each iteration allows for one more error.\n    // Run a binary search to determine how far from 'loc' we can stray at this\n    // error level.\n    bin_min = 0;\n    bin_mid = bin_max;\n    while (bin_min < bin_mid) {\n      if (match_bitapScore_(d, loc + bin_mid) <= score_threshold) {\n        bin_min = bin_mid;\n      } else {\n        bin_max = bin_mid;\n      }\n      bin_mid = Math.floor((bin_max - bin_min) / 2 + bin_min);\n    }\n    // Use the result from this iteration as the maximum for the next.\n    bin_max = bin_mid;\n    var start = Math.max(1, loc - bin_mid + 1);\n    var finish = Math.min(loc + bin_mid, text.length) + pattern.length;\n\n    var rd = Array(finish + 2);\n    rd[finish + 1] = (1 << d) - 1;\n    for (var j = finish; j >= start; j--) {\n      // The alphabet (s) is a sparse hash, so the following line generates\n      // warnings.\n      var charMatch = s[text.charAt(j - 1)];\n      if (d === 0) {  // First pass: exact match.\n        rd[j] = ((rd[j + 1] << 1) | 1) & charMatch;\n      } else {  // Subsequent passes: fuzzy match.\n        rd[j] = (((rd[j + 1] << 1) | 1) & charMatch) |\n                (((last_rd[j + 1] | last_rd[j]) << 1) | 1) |\n                last_rd[j + 1];\n      }\n      if (rd[j] & matchmask) {\n        var score = match_bitapScore_(d, j - 1);\n        // This match will almost certainly be better than any existing match.\n        // But check anyway.\n        if (score <= score_threshold) {\n          // Told you so.\n          score_threshold = score;\n          best_loc = j - 1;\n          if (best_loc > loc) {\n            // When passing loc, don't exceed our current distance from loc.\n            start = Math.max(1, 2 * loc - best_loc);\n          } else {\n            // Already passed loc, downhill from here on in.\n            break;\n          }\n        }\n      }\n    }\n    // No hope for a (better) match at greater error levels.\n    if (match_bitapScore_(d + 1, loc) > score_threshold) {\n      break;\n    }\n    last_rd = rd;\n  }\n  return best_loc;\n};\n\n\n/**\n * Initialise the alphabet for the Bitap algorithm.\n * @param {string} pattern The text to encode.\n * @return {!Object} Hash of character locations.\n * @private\n */\ndiff_match_patch.prototype.match_alphabet_ = function(pattern) {\n  var s = {};\n  for (var i = 0; i < pattern.length; i++) {\n    s[pattern.charAt(i)] = 0;\n  }\n  for (var i = 0; i < pattern.length; i++) {\n    s[pattern.charAt(i)] |= 1 << (pattern.length - i - 1);\n  }\n  return s;\n};\n\n\n//  PATCH FUNCTIONS\n\n\n/**\n * Increase the context until it is unique,\n * but don't let the pattern expand beyond Match_MaxBits.\n * @param {!diff_match_patch.patch_obj} patch The patch to grow.\n * @param {string} text Source text.\n * @private\n */\ndiff_match_patch.prototype.patch_addContext_ = function(patch, text) {\n  if (text.length == 0) {\n    return;\n  }\n  if (patch.start2 === null) {\n    throw Error('patch not initialized');\n  }\n  var pattern = text.substring(patch.start2, patch.start2 + patch.length1);\n  var padding = 0;\n\n  // Look for the first and last matches of pattern in text.  If two different\n  // matches are found, increase the pattern length.\n  while (text.indexOf(pattern) != text.lastIndexOf(pattern) &&\n         pattern.length < this.Match_MaxBits - this.Patch_Margin -\n         this.Patch_Margin) {\n    padding += this.Patch_Margin;\n    pattern = text.substring(patch.start2 - padding,\n                             patch.start2 + patch.length1 + padding);\n  }\n  // Add one chunk for good luck.\n  padding += this.Patch_Margin;\n\n  // Add the prefix.\n  var prefix = text.substring(patch.start2 - padding, patch.start2);\n  if (prefix) {\n    patch.diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, prefix));\n  }\n  // Add the suffix.\n  var suffix = text.substring(patch.start2 + patch.length1,\n                              patch.start2 + patch.length1 + padding);\n  if (suffix) {\n    patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, suffix));\n  }\n\n  // Roll back the start points.\n  patch.start1 -= prefix.length;\n  patch.start2 -= prefix.length;\n  // Extend the lengths.\n  patch.length1 += prefix.length + suffix.length;\n  patch.length2 += prefix.length + suffix.length;\n};\n\n\n/**\n * Compute a list of patches to turn text1 into text2.\n * Use diffs if provided, otherwise compute it ourselves.\n * There are four ways to call this function, depending on what data is\n * available to the caller:\n * Method 1:\n * a = text1, b = text2\n * Method 2:\n * a = diffs\n * Method 3 (optimal):\n * a = text1, b = diffs\n * Method 4 (deprecated, use method 3):\n * a = text1, b = text2, c = diffs\n *\n * @param {string|!Array.<!diff_match_patch.Diff>} a text1 (methods 1,3,4) or\n * Array of diff tuples for text1 to text2 (method 2).\n * @param {string|!Array.<!diff_match_patch.Diff>=} opt_b text2 (methods 1,4) or\n * Array of diff tuples for text1 to text2 (method 3) or undefined (method 2).\n * @param {string|!Array.<!diff_match_patch.Diff>=} opt_c Array of diff tuples\n * for text1 to text2 (method 4) or undefined (methods 1,2,3).\n * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.\n */\ndiff_match_patch.prototype.patch_make = function(a, opt_b, opt_c) {\n  var text1, diffs;\n  if (typeof a == 'string' && typeof opt_b == 'string' &&\n      typeof opt_c == 'undefined') {\n    // Method 1: text1, text2\n    // Compute diffs from text1 and text2.\n    text1 = /** @type {string} */(a);\n    diffs = this.diff_main(text1, /** @type {string} */(opt_b), true);\n    if (diffs.length > 2) {\n      this.diff_cleanupSemantic(diffs);\n      this.diff_cleanupEfficiency(diffs);\n    }\n  } else if (a && typeof a == 'object' && typeof opt_b == 'undefined' &&\n      typeof opt_c == 'undefined') {\n    // Method 2: diffs\n    // Compute text1 from diffs.\n    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(a);\n    text1 = this.diff_text1(diffs);\n  } else if (typeof a == 'string' && opt_b && typeof opt_b == 'object' &&\n      typeof opt_c == 'undefined') {\n    // Method 3: text1, diffs\n    text1 = /** @type {string} */(a);\n    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(opt_b);\n  } else if (typeof a == 'string' && typeof opt_b == 'string' &&\n      opt_c && typeof opt_c == 'object') {\n    // Method 4: text1, text2, diffs\n    // text2 is not used.\n    text1 = /** @type {string} */(a);\n    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(opt_c);\n  } else {\n    throw new Error('Unknown call format to patch_make.');\n  }\n\n  if (diffs.length === 0) {\n    return [];  // Get rid of the null case.\n  }\n  var patches = [];\n  var patch = new diff_match_patch.patch_obj();\n  var patchDiffLength = 0;  // Keeping our own length var is faster in JS.\n  var char_count1 = 0;  // Number of characters into the text1 string.\n  var char_count2 = 0;  // Number of characters into the text2 string.\n  // Start with text1 (prepatch_text) and apply the diffs until we arrive at\n  // text2 (postpatch_text).  We recreate the patches one by one to determine\n  // context info.\n  var prepatch_text = text1;\n  var postpatch_text = text1;\n  for (var x = 0; x < diffs.length; x++) {\n    var diff_type = diffs[x][0];\n    var diff_text = diffs[x][1];\n\n    if (!patchDiffLength && diff_type !== DIFF_EQUAL) {\n      // A new patch starts here.\n      patch.start1 = char_count1;\n      patch.start2 = char_count2;\n    }\n\n    switch (diff_type) {\n      case DIFF_INSERT:\n        patch.diffs[patchDiffLength++] = diffs[x];\n        patch.length2 += diff_text.length;\n        postpatch_text = postpatch_text.substring(0, char_count2) + diff_text +\n                         postpatch_text.substring(char_count2);\n        break;\n      case DIFF_DELETE:\n        patch.length1 += diff_text.length;\n        patch.diffs[patchDiffLength++] = diffs[x];\n        postpatch_text = postpatch_text.substring(0, char_count2) +\n                         postpatch_text.substring(char_count2 +\n                             diff_text.length);\n        break;\n      case DIFF_EQUAL:\n        if (diff_text.length <= 2 * this.Patch_Margin &&\n            patchDiffLength && diffs.length != x + 1) {\n          // Small equality inside a patch.\n          patch.diffs[patchDiffLength++] = diffs[x];\n          patch.length1 += diff_text.length;\n          patch.length2 += diff_text.length;\n        } else if (diff_text.length >= 2 * this.Patch_Margin) {\n          // Time for a new patch.\n          if (patchDiffLength) {\n            this.patch_addContext_(patch, prepatch_text);\n            patches.push(patch);\n            patch = new diff_match_patch.patch_obj();\n            patchDiffLength = 0;\n            // Unlike Unidiff, our patch lists have a rolling context.\n            // https://github.com/google/diff-match-patch/wiki/Unidiff\n            // Update prepatch text & pos to reflect the application of the\n            // just completed patch.\n            prepatch_text = postpatch_text;\n            char_count1 = char_count2;\n          }\n        }\n        break;\n    }\n\n    // Update the current character count.\n    if (diff_type !== DIFF_INSERT) {\n      char_count1 += diff_text.length;\n    }\n    if (diff_type !== DIFF_DELETE) {\n      char_count2 += diff_text.length;\n    }\n  }\n  // Pick up the leftover patch if not empty.\n  if (patchDiffLength) {\n    this.patch_addContext_(patch, prepatch_text);\n    patches.push(patch);\n  }\n\n  return patches;\n};\n\n\n/**\n * Given an array of patches, return another array that is identical.\n * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.\n * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.\n */\ndiff_match_patch.prototype.patch_deepCopy = function(patches) {\n  // Making deep copies is hard in JavaScript.\n  var patchesCopy = [];\n  for (var x = 0; x < patches.length; x++) {\n    var patch = patches[x];\n    var patchCopy = new diff_match_patch.patch_obj();\n    patchCopy.diffs = [];\n    for (var y = 0; y < patch.diffs.length; y++) {\n      patchCopy.diffs[y] =\n          new diff_match_patch.Diff(patch.diffs[y][0], patch.diffs[y][1]);\n    }\n    patchCopy.start1 = patch.start1;\n    patchCopy.start2 = patch.start2;\n    patchCopy.length1 = patch.length1;\n    patchCopy.length2 = patch.length2;\n    patchesCopy[x] = patchCopy;\n  }\n  return patchesCopy;\n};\n\n\n/**\n * Merge a set of patches onto the text.  Return a patched text, as well\n * as a list of true/false values indicating which patches were applied.\n * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.\n * @param {string} text Old text.\n * @return {!Array.<string|!Array.<boolean>>} Two element Array, containing the\n *      new text and an array of boolean values.\n */\ndiff_match_patch.prototype.patch_apply = function(patches, text) {\n  if (patches.length == 0) {\n    return [text, []];\n  }\n\n  // Deep copy the patches so that no changes are made to originals.\n  patches = this.patch_deepCopy(patches);\n\n  var nullPadding = this.patch_addPadding(patches);\n  text = nullPadding + text + nullPadding;\n\n  this.patch_splitMax(patches);\n  // delta keeps track of the offset between the expected and actual location\n  // of the previous patch.  If there are patches expected at positions 10 and\n  // 20, but the first patch was found at 12, delta is 2 and the second patch\n  // has an effective expected position of 22.\n  var delta = 0;\n  var results = [];\n  for (var x = 0; x < patches.length; x++) {\n    var expected_loc = patches[x].start2 + delta;\n    var text1 = this.diff_text1(patches[x].diffs);\n    var start_loc;\n    var end_loc = -1;\n    if (text1.length > this.Match_MaxBits) {\n      // patch_splitMax will only provide an oversized pattern in the case of\n      // a monster delete.\n      start_loc = this.match_main(text, text1.substring(0, this.Match_MaxBits),\n                                  expected_loc);\n      if (start_loc != -1) {\n        end_loc = this.match_main(text,\n            text1.substring(text1.length - this.Match_MaxBits),\n            expected_loc + text1.length - this.Match_MaxBits);\n        if (end_loc == -1 || start_loc >= end_loc) {\n          // Can't find valid trailing context.  Drop this patch.\n          start_loc = -1;\n        }\n      }\n    } else {\n      start_loc = this.match_main(text, text1, expected_loc);\n    }\n    if (start_loc == -1) {\n      // No match found.  :(\n      results[x] = false;\n      // Subtract the delta for this failed patch from subsequent patches.\n      delta -= patches[x].length2 - patches[x].length1;\n    } else {\n      // Found a match.  :)\n      results[x] = true;\n      delta = start_loc - expected_loc;\n      var text2;\n      if (end_loc == -1) {\n        text2 = text.substring(start_loc, start_loc + text1.length);\n      } else {\n        text2 = text.substring(start_loc, end_loc + this.Match_MaxBits);\n      }\n      if (text1 == text2) {\n        // Perfect match, just shove the replacement text in.\n        text = text.substring(0, start_loc) +\n               this.diff_text2(patches[x].diffs) +\n               text.substring(start_loc + text1.length);\n      } else {\n        // Imperfect match.  Run a diff to get a framework of equivalent\n        // indices.\n        var diffs = this.diff_main(text1, text2, false);\n        if (text1.length > this.Match_MaxBits &&\n            this.diff_levenshtein(diffs) / text1.length >\n            this.Patch_DeleteThreshold) {\n          // The end points match, but the content is unacceptably bad.\n          results[x] = false;\n        } else {\n          this.diff_cleanupSemanticLossless(diffs);\n          var index1 = 0;\n          var index2;\n          for (var y = 0; y < patches[x].diffs.length; y++) {\n            var mod = patches[x].diffs[y];\n            if (mod[0] !== DIFF_EQUAL) {\n              index2 = this.diff_xIndex(diffs, index1);\n            }\n            if (mod[0] === DIFF_INSERT) {  // Insertion\n              text = text.substring(0, start_loc + index2) + mod[1] +\n                     text.substring(start_loc + index2);\n            } else if (mod[0] === DIFF_DELETE) {  // Deletion\n              text = text.substring(0, start_loc + index2) +\n                     text.substring(start_loc + this.diff_xIndex(diffs,\n                         index1 + mod[1].length));\n            }\n            if (mod[0] !== DIFF_DELETE) {\n              index1 += mod[1].length;\n            }\n          }\n        }\n      }\n    }\n  }\n  // Strip the padding off.\n  text = text.substring(nullPadding.length, text.length - nullPadding.length);\n  return [text, results];\n};\n\n\n/**\n * Add some padding on text start and end so that edges can match something.\n * Intended to be called only from within patch_apply.\n * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.\n * @return {string} The padding string added to each side.\n */\ndiff_match_patch.prototype.patch_addPadding = function(patches) {\n  var paddingLength = this.Patch_Margin;\n  var nullPadding = '';\n  for (var x = 1; x <= paddingLength; x++) {\n    nullPadding += String.fromCharCode(x);\n  }\n\n  // Bump all the patches forward.\n  for (var x = 0; x < patches.length; x++) {\n    patches[x].start1 += paddingLength;\n    patches[x].start2 += paddingLength;\n  }\n\n  // Add some padding on start of first diff.\n  var patch = patches[0];\n  var diffs = patch.diffs;\n  if (diffs.length == 0 || diffs[0][0] != DIFF_EQUAL) {\n    // Add nullPadding equality.\n    diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, nullPadding));\n    patch.start1 -= paddingLength;  // Should be 0.\n    patch.start2 -= paddingLength;  // Should be 0.\n    patch.length1 += paddingLength;\n    patch.length2 += paddingLength;\n  } else if (paddingLength > diffs[0][1].length) {\n    // Grow first equality.\n    var extraLength = paddingLength - diffs[0][1].length;\n    diffs[0][1] = nullPadding.substring(diffs[0][1].length) + diffs[0][1];\n    patch.start1 -= extraLength;\n    patch.start2 -= extraLength;\n    patch.length1 += extraLength;\n    patch.length2 += extraLength;\n  }\n\n  // Add some padding on end of last diff.\n  patch = patches[patches.length - 1];\n  diffs = patch.diffs;\n  if (diffs.length == 0 || diffs[diffs.length - 1][0] != DIFF_EQUAL) {\n    // Add nullPadding equality.\n    diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, nullPadding));\n    patch.length1 += paddingLength;\n    patch.length2 += paddingLength;\n  } else if (paddingLength > diffs[diffs.length - 1][1].length) {\n    // Grow last equality.\n    var extraLength = paddingLength - diffs[diffs.length - 1][1].length;\n    diffs[diffs.length - 1][1] += nullPadding.substring(0, extraLength);\n    patch.length1 += extraLength;\n    patch.length2 += extraLength;\n  }\n\n  return nullPadding;\n};\n\n\n/**\n * Look through the patches and break up any which are longer than the maximum\n * limit of the match algorithm.\n * Intended to be called only from within patch_apply.\n * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.\n */\ndiff_match_patch.prototype.patch_splitMax = function(patches) {\n  var patch_size = this.Match_MaxBits;\n  for (var x = 0; x < patches.length; x++) {\n    if (patches[x].length1 <= patch_size) {\n      continue;\n    }\n    var bigpatch = patches[x];\n    // Remove the big old patch.\n    patches.splice(x--, 1);\n    var start1 = bigpatch.start1;\n    var start2 = bigpatch.start2;\n    var precontext = '';\n    while (bigpatch.diffs.length !== 0) {\n      // Create one of several smaller patches.\n      var patch = new diff_match_patch.patch_obj();\n      var empty = true;\n      patch.start1 = start1 - precontext.length;\n      patch.start2 = start2 - precontext.length;\n      if (precontext !== '') {\n        patch.length1 = patch.length2 = precontext.length;\n        patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, precontext));\n      }\n      while (bigpatch.diffs.length !== 0 &&\n             patch.length1 < patch_size - this.Patch_Margin) {\n        var diff_type = bigpatch.diffs[0][0];\n        var diff_text = bigpatch.diffs[0][1];\n        if (diff_type === DIFF_INSERT) {\n          // Insertions are harmless.\n          patch.length2 += diff_text.length;\n          start2 += diff_text.length;\n          patch.diffs.push(bigpatch.diffs.shift());\n          empty = false;\n        } else if (diff_type === DIFF_DELETE && patch.diffs.length == 1 &&\n                   patch.diffs[0][0] == DIFF_EQUAL &&\n                   diff_text.length > 2 * patch_size) {\n          // This is a large deletion.  Let it pass in one chunk.\n          patch.length1 += diff_text.length;\n          start1 += diff_text.length;\n          empty = false;\n          patch.diffs.push(new diff_match_patch.Diff(diff_type, diff_text));\n          bigpatch.diffs.shift();\n        } else {\n          // Deletion or equality.  Only take as much as we can stomach.\n          diff_text = diff_text.substring(0,\n              patch_size - patch.length1 - this.Patch_Margin);\n          patch.length1 += diff_text.length;\n          start1 += diff_text.length;\n          if (diff_type === DIFF_EQUAL) {\n            patch.length2 += diff_text.length;\n            start2 += diff_text.length;\n          } else {\n            empty = false;\n          }\n          patch.diffs.push(new diff_match_patch.Diff(diff_type, diff_text));\n          if (diff_text == bigpatch.diffs[0][1]) {\n            bigpatch.diffs.shift();\n          } else {\n            bigpatch.diffs[0][1] =\n                bigpatch.diffs[0][1].substring(diff_text.length);\n          }\n        }\n      }\n      // Compute the head context for the next patch.\n      precontext = this.diff_text2(patch.diffs);\n      precontext =\n          precontext.substring(precontext.length - this.Patch_Margin);\n      // Append the end context for this patch.\n      var postcontext = this.diff_text1(bigpatch.diffs)\n                            .substring(0, this.Patch_Margin);\n      if (postcontext !== '') {\n        patch.length1 += postcontext.length;\n        patch.length2 += postcontext.length;\n        if (patch.diffs.length !== 0 &&\n            patch.diffs[patch.diffs.length - 1][0] === DIFF_EQUAL) {\n          patch.diffs[patch.diffs.length - 1][1] += postcontext;\n        } else {\n          patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, postcontext));\n        }\n      }\n      if (!empty) {\n        patches.splice(++x, 0, patch);\n      }\n    }\n  }\n};\n\n\n/**\n * Take a list of patches and return a textual representation.\n * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.\n * @return {string} Text representation of patches.\n */\ndiff_match_patch.prototype.patch_toText = function(patches) {\n  var text = [];\n  for (var x = 0; x < patches.length; x++) {\n    text[x] = patches[x];\n  }\n  return text.join('');\n};\n\n\n/**\n * Parse a textual representation of patches and return a list of Patch objects.\n * @param {string} textline Text representation of patches.\n * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.\n * @throws {!Error} If invalid input.\n */\ndiff_match_patch.prototype.patch_fromText = function(textline) {\n  var patches = [];\n  if (!textline) {\n    return patches;\n  }\n  var text = textline.split('\\n');\n  var textPointer = 0;\n  var patchHeader = /^@@ -(\\d+),?(\\d*) \\+(\\d+),?(\\d*) @@$/;\n  while (textPointer < text.length) {\n    var m = text[textPointer].match(patchHeader);\n    if (!m) {\n      throw new Error('Invalid patch string: ' + text[textPointer]);\n    }\n    var patch = new diff_match_patch.patch_obj();\n    patches.push(patch);\n    patch.start1 = parseInt(m[1], 10);\n    if (m[2] === '') {\n      patch.start1--;\n      patch.length1 = 1;\n    } else if (m[2] == '0') {\n      patch.length1 = 0;\n    } else {\n      patch.start1--;\n      patch.length1 = parseInt(m[2], 10);\n    }\n\n    patch.start2 = parseInt(m[3], 10);\n    if (m[4] === '') {\n      patch.start2--;\n      patch.length2 = 1;\n    } else if (m[4] == '0') {\n      patch.length2 = 0;\n    } else {\n      patch.start2--;\n      patch.length2 = parseInt(m[4], 10);\n    }\n    textPointer++;\n\n    while (textPointer < text.length) {\n      var sign = text[textPointer].charAt(0);\n      try {\n        var line = decodeURI(text[textPointer].substring(1));\n      } catch (ex) {\n        // Malformed URI sequence.\n        throw new Error('Illegal escape in patch_fromText: ' + line);\n      }\n      if (sign == '-') {\n        // Deletion.\n        patch.diffs.push(new diff_match_patch.Diff(DIFF_DELETE, line));\n      } else if (sign == '+') {\n        // Insertion.\n        patch.diffs.push(new diff_match_patch.Diff(DIFF_INSERT, line));\n      } else if (sign == ' ') {\n        // Minor equality.\n        patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, line));\n      } else if (sign == '@') {\n        // Start of next patch.\n        break;\n      } else if (sign === '') {\n        // Blank line?  Whatever.\n      } else {\n        // WTF?\n        throw new Error('Invalid patch mode \"' + sign + '\" in: ' + line);\n      }\n      textPointer++;\n    }\n  }\n  return patches;\n};\n\n\n/**\n * Class representing one patch operation.\n * @constructor\n */\ndiff_match_patch.patch_obj = function() {\n  /** @type {!Array.<!diff_match_patch.Diff>} */\n  this.diffs = [];\n  /** @type {?number} */\n  this.start1 = null;\n  /** @type {?number} */\n  this.start2 = null;\n  /** @type {number} */\n  this.length1 = 0;\n  /** @type {number} */\n  this.length2 = 0;\n};\n\n\n/**\n * Emulate GNU diff's format.\n * Header: @@ -382,8 +481,9 @@\n * Indices are printed as 1-based, not 0-based.\n * @return {string} The GNU diff string.\n */\ndiff_match_patch.patch_obj.prototype.toString = function() {\n  var coords1, coords2;\n  if (this.length1 === 0) {\n    coords1 = this.start1 + ',0';\n  } else if (this.length1 == 1) {\n    coords1 = this.start1 + 1;\n  } else {\n    coords1 = (this.start1 + 1) + ',' + this.length1;\n  }\n  if (this.length2 === 0) {\n    coords2 = this.start2 + ',0';\n  } else if (this.length2 == 1) {\n    coords2 = this.start2 + 1;\n  } else {\n    coords2 = (this.start2 + 1) + ',' + this.length2;\n  }\n  var text = ['@@ -' + coords1 + ' +' + coords2 + ' @@\\n'];\n  var op;\n  // Escape the body of the patch with %xx notation.\n  for (var x = 0; x < this.diffs.length; x++) {\n    switch (this.diffs[x][0]) {\n      case DIFF_INSERT:\n        op = '+';\n        break;\n      case DIFF_DELETE:\n        op = '-';\n        break;\n      case DIFF_EQUAL:\n        op = ' ';\n        break;\n    }\n    text[x + 1] = op + encodeURI(this.diffs[x][1]) + '\\n';\n  }\n  return text.join('').replace(/%20/g, ' ');\n};\n\n\n// The following export code was added by @ForbesLindesay\nmodule.exports = diff_match_patch;\nmodule.exports.diff_match_patch = diff_match_patch;\nmodule.exports.DIFF_DELETE = DIFF_DELETE;\nmodule.exports.DIFF_INSERT = DIFF_INSERT;\nmodule.exports.DIFF_EQUAL = DIFF_EQUAL;\n\n//# sourceURL=webpack://ReactAce/./node_modules/diff-match-patch/index.js?");

/***/ }),

/***/ "./node_modules/lodash.get/index.js":
/*!******************************************!*\
  !*** ./node_modules/lodash.get/index.js ***!
  \******************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

eval("/**\n * lodash (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright jQuery Foundation and other contributors <https://jquery.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** Used as the `TypeError` message for \"Functions\" methods. */\nvar FUNC_ERROR_TEXT = 'Expected a function';\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/** `Object#toString` result references. */\nvar funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    symbolTag = '[object Symbol]';\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n    reIsPlainProp = /^\\w*$/,\n    reLeadingDot = /^\\./,\n    rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = /\\\\(\\\\)?/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\n/**\n * Checks if `value` is a host object in IE < 9.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a host object, else `false`.\n */\nfunction isHostObject(value) {\n  // Many host objects are `Object` objects that can coerce to strings\n  // despite having improperly defined `toString` methods.\n  var result = false;\n  if (value != null && typeof value.toString != 'function') {\n    try {\n      result = !!(value + '');\n    } catch (e) {}\n  }\n  return result;\n}\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype,\n    funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n  return uid ? 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Symbol.prototype : undefined,\n    symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n  var index = -1,\n      length = entries ? entries.length : 0;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n  this.__data__ = nativeCreate ? nativeCreate(null) : {};\n}\n\n/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  return this.has(key) && delete this.__data__[key];\n}\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n  var data = this.__data__;\n  if (nativeCreate) {\n    var result = data[key];\n    return result === HASH_UNDEFINED ? undefined : result;\n  }\n  return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n  var data = this.__data__;\n  return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);\n}\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n  var data = this.__data__;\n  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n  return this;\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n  var index = -1,\n      length = entries ? entries.length : 0;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n}\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    return false;\n  }\n  var lastIndex = data.length - 1;\n  if (index == lastIndex) {\n    data.pop();\n  } else {\n    splice.call(data, index, 1);\n  }\n  return true;\n}\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  return index < 0 ? undefined : data[index][1];\n}\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n  return assocIndexOf(this.__data__, key) > -1;\n}\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    data.push([key, value]);\n  } else {\n    data[index][1] = value;\n  }\n  return this;\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n  var index = -1,\n      length = entries ? entries.length : 0;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n  this.__data__ = {\n    'hash': new Hash,\n    'map': new (Map || ListCache),\n    'string': new Hash\n  };\n}\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n  return getMapData(this, key)['delete'](key);\n}\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n  return getMapData(this, key).get(key);\n}\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n  return getMapData(this, key).has(key);\n}\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n  getMapData(this, key).set(key, value);\n  return this;\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n  var length = array.length;\n  while (length--) {\n    if (eq(array[length][0], key)) {\n      return length;\n    }\n  }\n  return -1;\n}\n\n/**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\nfunction baseGet(object, path) {\n  path = isKey(path, object) ? [path] : castPath(path);\n\n  var index = 0,\n      length = path.length;\n\n  while (object != null && index < length) {\n    object = object[toKey(path[index++])];\n  }\n  return (index && index == length) ? object : undefined;\n}\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n *  else `false`.\n */\nfunction baseIsNative(value) {\n  if (!isObject(value) || isMasked(value)) {\n    return false;\n  }\n  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;\n  return pattern.test(toSource(value));\n}\n\n/**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n  // Exit early for strings to avoid a performance hit in some environments.\n  if (typeof value == 'string') {\n    return value;\n  }\n  if (isSymbol(value)) {\n    return symbolToString ? symbolToString.call(value) : '';\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\n/**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast property path array.\n */\nfunction castPath(value) {\n  return isArray(value) ? value : stringToPath(value);\n}\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n  var data = map.__data__;\n  return isKeyable(key)\n    ? data[typeof key == 'string' ? 'string' : 'hash']\n    : data.map;\n}\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n  var value = getValue(object, key);\n  return baseIsNative(value) ? value : undefined;\n}\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n  if (isArray(value)) {\n    return false;\n  }\n  var type = typeof value;\n  if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n      value == null || isSymbol(value)) {\n    return true;\n  }\n  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n    (object != null && value in Object(object));\n}\n\n/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n  return !!maskSrcKey && (maskSrcKey in func);\n}\n\n/**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\nvar stringToPath = memoize(function(string) {\n  string = toString(string);\n\n  var result = [];\n  if (reLeadingDot.test(string)) {\n    result.push('');\n  }\n  string.replace(rePropName, function(match, number, quote, string) {\n    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n  });\n  return result;\n});\n\n/**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\nfunction toKey(value) {\n  if (typeof value == 'string' || isSymbol(value)) {\n    return value;\n  }\n  var result = (value + '');\n  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to process.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\n/**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\nfunction memoize(func, resolver) {\n  if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {\n    throw new TypeError(FUNC_ERROR_TEXT);\n  }\n  var memoized = function() {\n    var args = arguments,\n        key = resolver ? resolver.apply(this, args) : args[0],\n        cache = memoized.cache;\n\n    if (cache.has(key)) {\n      return cache.get(key);\n    }\n    var result = func.apply(this, args);\n    memoized.cache = cache.set(key, result);\n    return result;\n  };\n  memoized.cache = new (memoize.Cache || MapCache);\n  return memoized;\n}\n\n// Assign cache to `_.memoize`.\nmemoize.Cache = MapCache;\n\n/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n  // The use of `Object#toString` avoids issues with the `typeof` operator\n  // in Safari 8-9 which returns 'object' for typed array and other constructors.\n  var tag = isObject(value) ? objectToString.call(value) : '';\n  return tag == funcTag || tag == genTag;\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return !!value && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return !!value && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n  return typeof value == 'symbol' ||\n    (isObjectLike(value) && objectToString.call(value) == symbolTag);\n}\n\n/**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\nfunction toString(value) {\n  return value == null ? '' : baseToString(value);\n}\n\n/**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\nfunction get(object, path, defaultValue) {\n  var result = object == null ? undefined : baseGet(object, path);\n  return result === undefined ? defaultValue : result;\n}\n\nmodule.exports = get;\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/lodash.get/index.js?");

/***/ }),

/***/ "./node_modules/lodash.isequal/index.js":
/*!**********************************************!*\
  !*** ./node_modules/lodash.isequal/index.js ***!
  \**********************************************/
/***/ ((module, exports, __webpack_require__) => {

eval("/* module decorator */ module = __webpack_require__.nmd(module);\n/**\n * Lodash (Custom Build) <https://lodash.com/>\n * Build: `lodash modularize exports=\"npm\" -o ./`\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n    COMPARE_UNORDERED_FLAG = 2;\n\n/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** `Object#toString` result references. */\nvar argsTag = '[object Arguments]',\n    arrayTag = '[object Array]',\n    asyncTag = '[object AsyncFunction]',\n    boolTag = '[object Boolean]',\n    dateTag = '[object Date]',\n    errorTag = '[object Error]',\n    funcTag = '[object Function]',\n    genTag = '[object GeneratorFunction]',\n    mapTag = '[object Map]',\n    numberTag = '[object Number]',\n    nullTag = '[object Null]',\n    objectTag = '[object Object]',\n    promiseTag = '[object Promise]',\n    proxyTag = '[object Proxy]',\n    regexpTag = '[object RegExp]',\n    setTag = '[object Set]',\n    stringTag = '[object String]',\n    symbolTag = '[object Symbol]',\n    undefinedTag = '[object Undefined]',\n    weakMapTag = '[object WeakMap]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n    dataViewTag = '[object DataView]',\n    float32Tag = '[object Float32Array]',\n    float64Tag = '[object Float64Array]',\n    int8Tag = '[object Int8Array]',\n    int16Tag = '[object Int16Array]',\n    int32Tag = '[object Int32Array]',\n    uint8Tag = '[object Uint8Array]',\n    uint8ClampedTag = '[object Uint8ClampedArray]',\n    uint16Tag = '[object Uint16Array]',\n    uint32Tag = '[object Uint32Array]';\n\n/**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\nvar reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g;\n\n/** Used to detect host constructors (Safari). */\nvar reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/** Used to identify `toStringTag` values of typed arrays. */\nvar typedArrayTags = {};\ntypedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\ntypedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\ntypedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\ntypedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\ntypedArrayTags[uint32Tag] = true;\ntypedArrayTags[argsTag] = typedArrayTags[arrayTag] =\ntypedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\ntypedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\ntypedArrayTags[errorTag] = typedArrayTags[funcTag] =\ntypedArrayTags[mapTag] = typedArrayTags[numberTag] =\ntypedArrayTags[objectTag] = typedArrayTags[regexpTag] =\ntypedArrayTags[setTag] = typedArrayTags[stringTag] =\ntypedArrayTags[weakMapTag] = false;\n\n/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\n/** Detect free variable `exports`. */\nvar freeExports =  true && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && \"object\" == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Detect free variable `process` from Node.js. */\nvar freeProcess = moduleExports && freeGlobal.process;\n\n/** Used to access faster Node.js helpers. */\nvar nodeUtil = (function() {\n  try {\n    return freeProcess && freeProcess.binding && freeProcess.binding('util');\n  } catch (e) {}\n}());\n\n/* Node.js helper references. */\nvar nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n/**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\nfunction arrayFilter(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length,\n      resIndex = 0,\n      result = [];\n\n  while (++index < length) {\n    var value = array[index];\n    if (predicate(value, index, array)) {\n      result[resIndex++] = value;\n    }\n  }\n  return result;\n}\n\n/**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\nfunction arrayPush(array, values) {\n  var index = -1,\n      length = values.length,\n      offset = array.length;\n\n  while (++index < length) {\n    array[offset + index] = values[index];\n  }\n  return array;\n}\n\n/**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n *  else `false`.\n */\nfunction arraySome(array, predicate) {\n  var index = -1,\n      length = array == null ? 0 : array.length;\n\n  while (++index < length) {\n    if (predicate(array[index], index, array)) {\n      return true;\n    }\n  }\n  return false;\n}\n\n/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n  var index = -1,\n      result = Array(n);\n\n  while (++index < n) {\n    result[index] = iteratee(index);\n  }\n  return result;\n}\n\n/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n  return function(value) {\n    return func(value);\n  };\n}\n\n/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n  return cache.has(key);\n}\n\n/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n  return object == null ? undefined : object[key];\n}\n\n/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n  var index = -1,\n      result = Array(map.size);\n\n  map.forEach(function(value, key) {\n    result[++index] = [key, value];\n  });\n  return result;\n}\n\n/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n  return function(arg) {\n    return func(transform(arg));\n  };\n}\n\n/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n  var index = -1,\n      result = Array(set.size);\n\n  set.forEach(function(value) {\n    result[++index] = value;\n  });\n  return result;\n}\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype,\n    funcProto = Function.prototype,\n    objectProto = Object.prototype;\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n  return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Used to detect if a method is native. */\nvar reIsNative = RegExp('^' +\n  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n  .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n);\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined,\n    Symbol = root.Symbol,\n    Uint8Array = root.Uint8Array,\n    propertyIsEnumerable = objectProto.propertyIsEnumerable,\n    splice = arrayProto.splice,\n    symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols,\n    nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n    nativeKeys = overArg(Object.keys, Object);\n\n/* Built-in method references that are verified to be native. */\nvar DataView = getNative(root, 'DataView'),\n    Map = getNative(root, 'Map'),\n    Promise = getNative(root, 'Promise'),\n    Set = getNative(root, 'Set'),\n    WeakMap = getNative(root, 'WeakMap'),\n    nativeCreate = getNative(Object, 'create');\n\n/** Used to detect maps, sets, and weakmaps. */\nvar dataViewCtorString = toSource(DataView),\n    mapCtorString = toSource(Map),\n    promiseCtorString = toSource(Promise),\n    setCtorString = toSource(Set),\n    weakMapCtorString = toSource(WeakMap);\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Hash(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n  this.__data__ = nativeCreate ? nativeCreate(null) : {};\n  this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n  var result = this.has(key) && delete this.__data__[key];\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n  var data = this.__data__;\n  if (nativeCreate) {\n    var result = data[key];\n    return result === HASH_UNDEFINED ? undefined : result;\n  }\n  return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n  var data = this.__data__;\n  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n  var data = this.__data__;\n  this.size += this.has(key) ? 0 : 1;\n  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n  return this;\n}\n\n// Add methods to `Hash`.\nHash.prototype.clear = hashClear;\nHash.prototype['delete'] = hashDelete;\nHash.prototype.get = hashGet;\nHash.prototype.has = hashHas;\nHash.prototype.set = hashSet;\n\n/**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction ListCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n  this.__data__ = [];\n  this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    return false;\n  }\n  var lastIndex = data.length - 1;\n  if (index == lastIndex) {\n    data.pop();\n  } else {\n    splice.call(data, index, 1);\n  }\n  --this.size;\n  return true;\n}\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  return index < 0 ? undefined : data[index][1];\n}\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n  return assocIndexOf(this.__data__, key) > -1;\n}\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n  var data = this.__data__,\n      index = assocIndexOf(data, key);\n\n  if (index < 0) {\n    ++this.size;\n    data.push([key, value]);\n  } else {\n    data[index][1] = value;\n  }\n  return this;\n}\n\n// Add methods to `ListCache`.\nListCache.prototype.clear = listCacheClear;\nListCache.prototype['delete'] = listCacheDelete;\nListCache.prototype.get = listCacheGet;\nListCache.prototype.has = listCacheHas;\nListCache.prototype.set = listCacheSet;\n\n/**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction MapCache(entries) {\n  var index = -1,\n      length = entries == null ? 0 : entries.length;\n\n  this.clear();\n  while (++index < length) {\n    var entry = entries[index];\n    this.set(entry[0], entry[1]);\n  }\n}\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n  this.size = 0;\n  this.__data__ = {\n    'hash': new Hash,\n    'map': new (Map || ListCache),\n    'string': new Hash\n  };\n}\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n  var result = getMapData(this, key)['delete'](key);\n  this.size -= result ? 1 : 0;\n  return result;\n}\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n  return getMapData(this, key).get(key);\n}\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n  return getMapData(this, key).has(key);\n}\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n  var data = getMapData(this, key),\n      size = data.size;\n\n  data.set(key, value);\n  this.size += data.size == size ? 0 : 1;\n  return this;\n}\n\n// Add methods to `MapCache`.\nMapCache.prototype.clear = mapCacheClear;\nMapCache.prototype['delete'] = mapCacheDelete;\nMapCache.prototype.get = mapCacheGet;\nMapCache.prototype.has = mapCacheHas;\nMapCache.prototype.set = mapCacheSet;\n\n/**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\nfunction SetCache(values) {\n  var index = -1,\n      length = values == null ? 0 : values.length;\n\n  this.__data__ = new MapCache;\n  while (++index < length) {\n    this.add(values[index]);\n  }\n}\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n  this.__data__.set(value, HASH_UNDEFINED);\n  return this;\n}\n\n/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n  return this.__data__.has(value);\n}\n\n// Add methods to `SetCache`.\nSetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\nSetCache.prototype.has = setCacheHas;\n\n/**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\nfunction Stack(entries) {\n  var data = this.__data__ = new ListCache(entries);\n  this.size = data.size;\n}\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n  this.__data__ = new ListCache;\n  this.size = 0;\n}\n\n/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n  var data = this.__data__,\n      result = data['delete'](key);\n\n  this.size = data.size;\n  return result;\n}\n\n/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n  return this.__data__.get(key);\n}\n\n/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n  return this.__data__.has(key);\n}\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n  var data = this.__data__;\n  if (data instanceof ListCache) {\n    var pairs = data.__data__;\n    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n      pairs.push([key, value]);\n      this.size = ++data.size;\n      return this;\n    }\n    data = this.__data__ = new MapCache(pairs);\n  }\n  data.set(key, value);\n  this.size = data.size;\n  return this;\n}\n\n// Add methods to `Stack`.\nStack.prototype.clear = stackClear;\nStack.prototype['delete'] = stackDelete;\nStack.prototype.get = stackGet;\nStack.prototype.has = stackHas;\nStack.prototype.set = stackSet;\n\n/**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\nfunction arrayLikeKeys(value, inherited) {\n  var isArr = isArray(value),\n      isArg = !isArr && isArguments(value),\n      isBuff = !isArr && !isArg && isBuffer(value),\n      isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n      skipIndexes = isArr || isArg || isBuff || isType,\n      result = skipIndexes ? baseTimes(value.length, String) : [],\n      length = result.length;\n\n  for (var key in value) {\n    if ((inherited || hasOwnProperty.call(value, key)) &&\n        !(skipIndexes && (\n           // Safari 9 has enumerable `arguments.length` in strict mode.\n           key == 'length' ||\n           // Node.js 0.10 has enumerable non-index properties on buffers.\n           (isBuff && (key == 'offset' || key == 'parent')) ||\n           // PhantomJS 2 has enumerable non-index properties on typed arrays.\n           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n           // Skip index properties.\n           isIndex(key, length)\n        ))) {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\n/**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\nfunction assocIndexOf(array, key) {\n  var length = array.length;\n  while (length--) {\n    if (eq(array[length][0], key)) {\n      return length;\n    }\n  }\n  return -1;\n}\n\n/**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction baseGetAllKeys(object, keysFunc, symbolsFunc) {\n  var result = keysFunc(object);\n  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n}\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n  if (value == null) {\n    return value === undefined ? undefinedTag : nullTag;\n  }\n  return (symToStringTag && symToStringTag in Object(value))\n    ? getRawTag(value)\n    : objectToString(value);\n}\n\n/**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\nfunction baseIsArguments(value) {\n  return isObjectLike(value) && baseGetTag(value) == argsTag;\n}\n\n/**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n *  1 - Unordered comparison\n *  2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\nfunction baseIsEqual(value, other, bitmask, customizer, stack) {\n  if (value === other) {\n    return true;\n  }\n  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n    return value !== value && other !== other;\n  }\n  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n}\n\n/**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n  var objIsArr = isArray(object),\n      othIsArr = isArray(other),\n      objTag = objIsArr ? arrayTag : getTag(object),\n      othTag = othIsArr ? arrayTag : getTag(other);\n\n  objTag = objTag == argsTag ? objectTag : objTag;\n  othTag = othTag == argsTag ? objectTag : othTag;\n\n  var objIsObj = objTag == objectTag,\n      othIsObj = othTag == objectTag,\n      isSameTag = objTag == othTag;\n\n  if (isSameTag && isBuffer(object)) {\n    if (!isBuffer(other)) {\n      return false;\n    }\n    objIsArr = true;\n    objIsObj = false;\n  }\n  if (isSameTag && !objIsObj) {\n    stack || (stack = new Stack);\n    return (objIsArr || isTypedArray(object))\n      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n  }\n  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n    if (objIsWrapped || othIsWrapped) {\n      var objUnwrapped = objIsWrapped ? object.value() : object,\n          othUnwrapped = othIsWrapped ? other.value() : other;\n\n      stack || (stack = new Stack);\n      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n    }\n  }\n  if (!isSameTag) {\n    return false;\n  }\n  stack || (stack = new Stack);\n  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n}\n\n/**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n *  else `false`.\n */\nfunction baseIsNative(value) {\n  if (!isObject(value) || isMasked(value)) {\n    return false;\n  }\n  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n  return pattern.test(toSource(value));\n}\n\n/**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\nfunction baseIsTypedArray(value) {\n  return isObjectLike(value) &&\n    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n}\n\n/**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction baseKeys(object) {\n  if (!isPrototype(object)) {\n    return nativeKeys(object);\n  }\n  var result = [];\n  for (var key in Object(object)) {\n    if (hasOwnProperty.call(object, key) && key != 'constructor') {\n      result.push(key);\n    }\n  }\n  return result;\n}\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfunction equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      arrLength = array.length,\n      othLength = other.length;\n\n  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n    return false;\n  }\n  // Assume cyclic values are equal.\n  var stacked = stack.get(array);\n  if (stacked && stack.get(other)) {\n    return stacked == other;\n  }\n  var index = -1,\n      result = true,\n      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n  stack.set(array, other);\n  stack.set(other, array);\n\n  // Ignore non-index properties.\n  while (++index < arrLength) {\n    var arrValue = array[index],\n        othValue = other[index];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, arrValue, index, other, array, stack)\n        : customizer(arrValue, othValue, index, array, other, stack);\n    }\n    if (compared !== undefined) {\n      if (compared) {\n        continue;\n      }\n      result = false;\n      break;\n    }\n    // Recursively compare arrays (susceptible to call stack limits).\n    if (seen) {\n      if (!arraySome(other, function(othValue, othIndex) {\n            if (!cacheHas(seen, othIndex) &&\n                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n              return seen.push(othIndex);\n            }\n          })) {\n        result = false;\n        break;\n      }\n    } else if (!(\n          arrValue === othValue ||\n            equalFunc(arrValue, othValue, bitmask, customizer, stack)\n        )) {\n      result = false;\n      break;\n    }\n  }\n  stack['delete'](array);\n  stack['delete'](other);\n  return result;\n}\n\n/**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n  switch (tag) {\n    case dataViewTag:\n      if ((object.byteLength != other.byteLength) ||\n          (object.byteOffset != other.byteOffset)) {\n        return false;\n      }\n      object = object.buffer;\n      other = other.buffer;\n\n    case arrayBufferTag:\n      if ((object.byteLength != other.byteLength) ||\n          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n        return false;\n      }\n      return true;\n\n    case boolTag:\n    case dateTag:\n    case numberTag:\n      // Coerce booleans to `1` or `0` and dates to milliseconds.\n      // Invalid dates are coerced to `NaN`.\n      return eq(+object, +other);\n\n    case errorTag:\n      return object.name == other.name && object.message == other.message;\n\n    case regexpTag:\n    case stringTag:\n      // Coerce regexes to strings and treat strings, primitives and objects,\n      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n      // for more details.\n      return object == (other + '');\n\n    case mapTag:\n      var convert = mapToArray;\n\n    case setTag:\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n      convert || (convert = setToArray);\n\n      if (object.size != other.size && !isPartial) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked) {\n        return stacked == other;\n      }\n      bitmask |= COMPARE_UNORDERED_FLAG;\n\n      // Recursively compare objects (susceptible to call stack limits).\n      stack.set(object, other);\n      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n      stack['delete'](object);\n      return result;\n\n    case symbolTag:\n      if (symbolValueOf) {\n        return symbolValueOf.call(object) == symbolValueOf.call(other);\n      }\n  }\n  return false;\n}\n\n/**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n      objProps = getAllKeys(object),\n      objLength = objProps.length,\n      othProps = getAllKeys(other),\n      othLength = othProps.length;\n\n  if (objLength != othLength && !isPartial) {\n    return false;\n  }\n  var index = objLength;\n  while (index--) {\n    var key = objProps[index];\n    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n      return false;\n    }\n  }\n  // Assume cyclic values are equal.\n  var stacked = stack.get(object);\n  if (stacked && stack.get(other)) {\n    return stacked == other;\n  }\n  var result = true;\n  stack.set(object, other);\n  stack.set(other, object);\n\n  var skipCtor = isPartial;\n  while (++index < objLength) {\n    key = objProps[index];\n    var objValue = object[key],\n        othValue = other[key];\n\n    if (customizer) {\n      var compared = isPartial\n        ? customizer(othValue, objValue, key, other, object, stack)\n        : customizer(objValue, othValue, key, object, other, stack);\n    }\n    // Recursively compare objects (susceptible to call stack limits).\n    if (!(compared === undefined\n          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n          : compared\n        )) {\n      result = false;\n      break;\n    }\n    skipCtor || (skipCtor = key == 'constructor');\n  }\n  if (result && !skipCtor) {\n    var objCtor = object.constructor,\n        othCtor = other.constructor;\n\n    // Non `Object` object instances with different constructors are not equal.\n    if (objCtor != othCtor &&\n        ('constructor' in object && 'constructor' in other) &&\n        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n          typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n      result = false;\n    }\n  }\n  stack['delete'](object);\n  stack['delete'](other);\n  return result;\n}\n\n/**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeys(object) {\n  return baseGetAllKeys(object, keys, getSymbols);\n}\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n  var data = map.__data__;\n  return isKeyable(key)\n    ? data[typeof key == 'string' ? 'string' : 'hash']\n    : data.map;\n}\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n  var value = getValue(object, key);\n  return baseIsNative(value) ? value : undefined;\n}\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n  var isOwn = hasOwnProperty.call(value, symToStringTag),\n      tag = value[symToStringTag];\n\n  try {\n    value[symToStringTag] = undefined;\n    var unmasked = true;\n  } catch (e) {}\n\n  var result = nativeObjectToString.call(value);\n  if (unmasked) {\n    if (isOwn) {\n      value[symToStringTag] = tag;\n    } else {\n      delete value[symToStringTag];\n    }\n  }\n  return result;\n}\n\n/**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n  if (object == null) {\n    return [];\n  }\n  object = Object(object);\n  return arrayFilter(nativeGetSymbols(object), function(symbol) {\n    return propertyIsEnumerable.call(object, symbol);\n  });\n};\n\n/**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nvar getTag = baseGetTag;\n\n// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\nif ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n    (Map && getTag(new Map) != mapTag) ||\n    (Promise && getTag(Promise.resolve()) != promiseTag) ||\n    (Set && getTag(new Set) != setTag) ||\n    (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n  getTag = function(value) {\n    var result = baseGetTag(value),\n        Ctor = result == objectTag ? value.constructor : undefined,\n        ctorString = Ctor ? toSource(Ctor) : '';\n\n    if (ctorString) {\n      switch (ctorString) {\n        case dataViewCtorString: return dataViewTag;\n        case mapCtorString: return mapTag;\n        case promiseCtorString: return promiseTag;\n        case setCtorString: return setTag;\n        case weakMapCtorString: return weakMapTag;\n      }\n    }\n    return result;\n  };\n}\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n  length = length == null ? MAX_SAFE_INTEGER : length;\n  return !!length &&\n    (typeof value == 'number' || reIsUint.test(value)) &&\n    (value > -1 && value % 1 == 0 && value < length);\n}\n\n/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n  var type = typeof value;\n  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n    ? (value !== '__proto__')\n    : (value === null);\n}\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n  return !!maskSrcKey && (maskSrcKey in func);\n}\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n  var Ctor = value && value.constructor,\n      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n  return value === proto;\n}\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n  return nativeObjectToString.call(value);\n}\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n  if (func != null) {\n    try {\n      return funcToString.call(func);\n    } catch (e) {}\n    try {\n      return (func + '');\n    } catch (e) {}\n  }\n  return '';\n}\n\n/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n  return value === other || (value !== value && other !== other);\n}\n\n/**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n *  else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nvar isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n    !propertyIsEnumerable.call(value, 'callee');\n};\n\n/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\n/**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\nfunction isArrayLike(value) {\n  return value != null && isLength(value.length) && !isFunction(value);\n}\n\n/**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\nvar isBuffer = nativeIsBuffer || stubFalse;\n\n/**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\nfunction isEqual(value, other) {\n  return baseIsEqual(value, other);\n}\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n  if (!isObject(value)) {\n    return false;\n  }\n  // The use of `Object#toString` avoids issues with the `typeof` operator\n  // in Safari 9 which returns 'object' for typed arrays and other constructors.\n  var tag = baseGetTag(value);\n  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n  return typeof value == 'number' &&\n    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\n/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n  var type = typeof value;\n  return value != null && (type == 'object' || type == 'function');\n}\n\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n  return value != null && typeof value == 'object';\n}\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nvar isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n/**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n *   this.a = 1;\n *   this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\nfunction keys(object) {\n  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n}\n\n/**\n * This method returns a new empty array.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {Array} Returns the new empty array.\n * @example\n *\n * var arrays = _.times(2, _.stubArray);\n *\n * console.log(arrays);\n * // => [[], []]\n *\n * console.log(arrays[0] === arrays[1]);\n * // => false\n */\nfunction stubArray() {\n  return [];\n}\n\n/**\n * This method returns `false`.\n *\n * @static\n * @memberOf _\n * @since 4.13.0\n * @category Util\n * @returns {boolean} Returns `false`.\n * @example\n *\n * _.times(2, _.stubFalse);\n * // => [false, false]\n */\nfunction stubFalse() {\n  return false;\n}\n\nmodule.exports = isEqual;\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/lodash.isequal/index.js?");

/***/ }),

/***/ "./node_modules/object-assign/index.js":
/*!*********************************************!*\
  !*** ./node_modules/object-assign/index.js ***!
  \*********************************************/
/***/ ((module) => {

"use strict";
eval("/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = Object.prototype.propertyIsEnumerable;\n\nfunction toObject(val) {\n\tif (val === null || val === undefined) {\n\t\tthrow new TypeError('Object.assign cannot be called with null or undefined');\n\t}\n\n\treturn Object(val);\n}\n\nfunction shouldUseNative() {\n\ttry {\n\t\tif (!Object.assign) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Detect buggy property enumeration order in older V8 versions.\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=4118\n\t\tvar test1 = new String('abc');  // eslint-disable-line no-new-wrappers\n\t\ttest1[5] = 'de';\n\t\tif (Object.getOwnPropertyNames(test1)[0] === '5') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test2 = {};\n\t\tfor (var i = 0; i < 10; i++) {\n\t\t\ttest2['_' + String.fromCharCode(i)] = i;\n\t\t}\n\t\tvar order2 = Object.getOwnPropertyNames(test2).map(function (n) {\n\t\t\treturn test2[n];\n\t\t});\n\t\tif (order2.join('') !== '0123456789') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test3 = {};\n\t\t'abcdefghijklmnopqrst'.split('').forEach(function (letter) {\n\t\t\ttest3[letter] = letter;\n\t\t});\n\t\tif (Object.keys(Object.assign({}, test3)).join('') !==\n\t\t\t\t'abcdefghijklmnopqrst') {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t} catch (err) {\n\t\t// We don't expect any of the above to throw, but better to be safe.\n\t\treturn false;\n\t}\n}\n\nmodule.exports = shouldUseNative() ? Object.assign : function (target, source) {\n\tvar from;\n\tvar to = toObject(target);\n\tvar symbols;\n\n\tfor (var s = 1; s < arguments.length; s++) {\n\t\tfrom = Object(arguments[s]);\n\n\t\tfor (var key in from) {\n\t\t\tif (hasOwnProperty.call(from, key)) {\n\t\t\t\tto[key] = from[key];\n\t\t\t}\n\t\t}\n\n\t\tif (getOwnPropertySymbols) {\n\t\t\tsymbols = getOwnPropertySymbols(from);\n\t\t\tfor (var i = 0; i < symbols.length; i++) {\n\t\t\t\tif (propIsEnumerable.call(from, symbols[i])) {\n\t\t\t\t\tto[symbols[i]] = from[symbols[i]];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn to;\n};\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/object-assign/index.js?");

/***/ }),

/***/ "./node_modules/prop-types/checkPropTypes.js":
/*!***************************************************!*\
  !*** ./node_modules/prop-types/checkPropTypes.js ***!
  \***************************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nvar printWarning = function() {};\n\nif (true) {\n  var ReactPropTypesSecret = __webpack_require__(/*! ./lib/ReactPropTypesSecret */ \"./node_modules/prop-types/lib/ReactPropTypesSecret.js\");\n  var loggedTypeFailures = {};\n  var has = Function.call.bind(Object.prototype.hasOwnProperty);\n\n  printWarning = function(text) {\n    var message = 'Warning: ' + text;\n    if (typeof console !== 'undefined') {\n      console.error(message);\n    }\n    try {\n      // --- Welcome to debugging React ---\n      // This error was thrown as a convenience so that you can use this stack\n      // to find the callsite that caused this warning to fire.\n      throw new Error(message);\n    } catch (x) {}\n  };\n}\n\n/**\n * Assert that the values match with the type specs.\n * Error messages are memorized and will only be shown once.\n *\n * @param {object} typeSpecs Map of name to a ReactPropType\n * @param {object} values Runtime values that need to be type-checked\n * @param {string} location e.g. \"prop\", \"context\", \"child context\"\n * @param {string} componentName Name of the component for error messages.\n * @param {?Function} getStack Returns the component stack.\n * @private\n */\nfunction checkPropTypes(typeSpecs, values, location, componentName, getStack) {\n  if (true) {\n    for (var typeSpecName in typeSpecs) {\n      if (has(typeSpecs, typeSpecName)) {\n        var error;\n        // Prop type validation may throw. In case they do, we don't want to\n        // fail the render phase where it didn't fail before. So we log it.\n        // After these have been cleaned up, we'll let them throw.\n        try {\n          // This is intentionally an invariant that gets caught. It's the same\n          // behavior as without this statement except with a better message.\n          if (typeof typeSpecs[typeSpecName] !== 'function') {\n            var err = Error(\n              (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +\n              'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'\n            );\n            err.name = 'Invariant Violation';\n            throw err;\n          }\n          error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);\n        } catch (ex) {\n          error = ex;\n        }\n        if (error && !(error instanceof Error)) {\n          printWarning(\n            (componentName || 'React class') + ': type specification of ' +\n            location + ' `' + typeSpecName + '` is invalid; the type checker ' +\n            'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +\n            'You may have forgotten to pass an argument to the type checker ' +\n            'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +\n            'shape all require an argument).'\n          );\n        }\n        if (error instanceof Error && !(error.message in loggedTypeFailures)) {\n          // Only monitor this failure once because there tends to be a lot of the\n          // same error.\n          loggedTypeFailures[error.message] = true;\n\n          var stack = getStack ? getStack() : '';\n\n          printWarning(\n            'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')\n          );\n        }\n      }\n    }\n  }\n}\n\n/**\n * Resets warning cache when testing.\n *\n * @private\n */\ncheckPropTypes.resetWarningCache = function() {\n  if (true) {\n    loggedTypeFailures = {};\n  }\n}\n\nmodule.exports = checkPropTypes;\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/checkPropTypes.js?");

/***/ }),

/***/ "./node_modules/prop-types/factoryWithTypeCheckers.js":
/*!************************************************************!*\
  !*** ./node_modules/prop-types/factoryWithTypeCheckers.js ***!
  \************************************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nvar ReactIs = __webpack_require__(/*! react-is */ \"./node_modules/prop-types/node_modules/react-is/index.js\");\nvar assign = __webpack_require__(/*! object-assign */ \"./node_modules/object-assign/index.js\");\n\nvar ReactPropTypesSecret = __webpack_require__(/*! ./lib/ReactPropTypesSecret */ \"./node_modules/prop-types/lib/ReactPropTypesSecret.js\");\nvar checkPropTypes = __webpack_require__(/*! ./checkPropTypes */ \"./node_modules/prop-types/checkPropTypes.js\");\n\nvar has = Function.call.bind(Object.prototype.hasOwnProperty);\nvar printWarning = function() {};\n\nif (true) {\n  printWarning = function(text) {\n    var message = 'Warning: ' + text;\n    if (typeof console !== 'undefined') {\n      console.error(message);\n    }\n    try {\n      // --- Welcome to debugging React ---\n      // This error was thrown as a convenience so that you can use this stack\n      // to find the callsite that caused this warning to fire.\n      throw new Error(message);\n    } catch (x) {}\n  };\n}\n\nfunction emptyFunctionThatReturnsNull() {\n  return null;\n}\n\nmodule.exports = function(isValidElement, throwOnDirectAccess) {\n  /* global Symbol */\n  var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;\n  var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.\n\n  /**\n   * Returns the iterator method function contained on the iterable object.\n   *\n   * Be sure to invoke the function with the iterable as context:\n   *\n   *     var iteratorFn = getIteratorFn(myIterable);\n   *     if (iteratorFn) {\n   *       var iterator = iteratorFn.call(myIterable);\n   *       ...\n   *     }\n   *\n   * @param {?object} maybeIterable\n   * @return {?function}\n   */\n  function getIteratorFn(maybeIterable) {\n    var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);\n    if (typeof iteratorFn === 'function') {\n      return iteratorFn;\n    }\n  }\n\n  /**\n   * Collection of methods that allow declaration and validation of props that are\n   * supplied to React components. Example usage:\n   *\n   *   var Props = require('ReactPropTypes');\n   *   var MyArticle = React.createClass({\n   *     propTypes: {\n   *       // An optional string prop named \"description\".\n   *       description: Props.string,\n   *\n   *       // A required enum prop named \"category\".\n   *       category: Props.oneOf(['News','Photos']).isRequired,\n   *\n   *       // A prop named \"dialog\" that requires an instance of Dialog.\n   *       dialog: Props.instanceOf(Dialog).isRequired\n   *     },\n   *     render: function() { ... }\n   *   });\n   *\n   * A more formal specification of how these methods are used:\n   *\n   *   type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)\n   *   decl := ReactPropTypes.{type}(.isRequired)?\n   *\n   * Each and every declaration produces a function with the same signature. This\n   * allows the creation of custom validation functions. For example:\n   *\n   *  var MyLink = React.createClass({\n   *    propTypes: {\n   *      // An optional string or URI prop named \"href\".\n   *      href: function(props, propName, componentName) {\n   *        var propValue = props[propName];\n   *        if (propValue != null && typeof propValue !== 'string' &&\n   *            !(propValue instanceof URI)) {\n   *          return new Error(\n   *            'Expected a string or an URI for ' + propName + ' in ' +\n   *            componentName\n   *          );\n   *        }\n   *      }\n   *    },\n   *    render: function() {...}\n   *  });\n   *\n   * @internal\n   */\n\n  var ANONYMOUS = '<<anonymous>>';\n\n  // Important!\n  // Keep this list in sync with production version in `./factoryWithThrowingShims.js`.\n  var ReactPropTypes = {\n    array: createPrimitiveTypeChecker('array'),\n    bool: createPrimitiveTypeChecker('boolean'),\n    func: createPrimitiveTypeChecker('function'),\n    number: createPrimitiveTypeChecker('number'),\n    object: createPrimitiveTypeChecker('object'),\n    string: createPrimitiveTypeChecker('string'),\n    symbol: createPrimitiveTypeChecker('symbol'),\n\n    any: createAnyTypeChecker(),\n    arrayOf: createArrayOfTypeChecker,\n    element: createElementTypeChecker(),\n    elementType: createElementTypeTypeChecker(),\n    instanceOf: createInstanceTypeChecker,\n    node: createNodeChecker(),\n    objectOf: createObjectOfTypeChecker,\n    oneOf: createEnumTypeChecker,\n    oneOfType: createUnionTypeChecker,\n    shape: createShapeTypeChecker,\n    exact: createStrictShapeTypeChecker,\n  };\n\n  /**\n   * inlined Object.is polyfill to avoid requiring consumers ship their own\n   * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n   */\n  /*eslint-disable no-self-compare*/\n  function is(x, y) {\n    // SameValue algorithm\n    if (x === y) {\n      // Steps 1-5, 7-10\n      // Steps 6.b-6.e: +0 != -0\n      return x !== 0 || 1 / x === 1 / y;\n    } else {\n      // Step 6.a: NaN == NaN\n      return x !== x && y !== y;\n    }\n  }\n  /*eslint-enable no-self-compare*/\n\n  /**\n   * We use an Error-like object for backward compatibility as people may call\n   * PropTypes directly and inspect their output. However, we don't use real\n   * Errors anymore. We don't inspect their stack anyway, and creating them\n   * is prohibitively expensive if they are created too often, such as what\n   * happens in oneOfType() for any type before the one that matched.\n   */\n  function PropTypeError(message) {\n    this.message = message;\n    this.stack = '';\n  }\n  // Make `instanceof Error` still work for returned errors.\n  PropTypeError.prototype = Error.prototype;\n\n  function createChainableTypeChecker(validate) {\n    if (true) {\n      var manualPropTypeCallCache = {};\n      var manualPropTypeWarningCount = 0;\n    }\n    function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {\n      componentName = componentName || ANONYMOUS;\n      propFullName = propFullName || propName;\n\n      if (secret !== ReactPropTypesSecret) {\n        if (throwOnDirectAccess) {\n          // New behavior only for users of `prop-types` package\n          var err = new Error(\n            'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +\n            'Use `PropTypes.checkPropTypes()` to call them. ' +\n            'Read more at http://fb.me/use-check-prop-types'\n          );\n          err.name = 'Invariant Violation';\n          throw err;\n        } else if ( true && typeof console !== 'undefined') {\n          // Old behavior for people using React.PropTypes\n          var cacheKey = componentName + ':' + propName;\n          if (\n            !manualPropTypeCallCache[cacheKey] &&\n            // Avoid spamming the console because they are often not actionable except for lib authors\n            manualPropTypeWarningCount < 3\n          ) {\n            printWarning(\n              'You are manually calling a React.PropTypes validation ' +\n              'function for the `' + propFullName + '` prop on `' + componentName  + '`. This is deprecated ' +\n              'and will throw in the standalone `prop-types` package. ' +\n              'You may be seeing this warning due to a third-party PropTypes ' +\n              'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.'\n            );\n            manualPropTypeCallCache[cacheKey] = true;\n            manualPropTypeWarningCount++;\n          }\n        }\n      }\n      if (props[propName] == null) {\n        if (isRequired) {\n          if (props[propName] === null) {\n            return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));\n          }\n          return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));\n        }\n        return null;\n      } else {\n        return validate(props, propName, componentName, location, propFullName);\n      }\n    }\n\n    var chainedCheckType = checkType.bind(null, false);\n    chainedCheckType.isRequired = checkType.bind(null, true);\n\n    return chainedCheckType;\n  }\n\n  function createPrimitiveTypeChecker(expectedType) {\n    function validate(props, propName, componentName, location, propFullName, secret) {\n      var propValue = props[propName];\n      var propType = getPropType(propValue);\n      if (propType !== expectedType) {\n        // `propValue` being instance of, say, date/regexp, pass the 'object'\n        // check, but we can offer a more precise error message here rather than\n        // 'of type `object`'.\n        var preciseType = getPreciseType(propValue);\n\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createAnyTypeChecker() {\n    return createChainableTypeChecker(emptyFunctionThatReturnsNull);\n  }\n\n  function createArrayOfTypeChecker(typeChecker) {\n    function validate(props, propName, componentName, location, propFullName) {\n      if (typeof typeChecker !== 'function') {\n        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');\n      }\n      var propValue = props[propName];\n      if (!Array.isArray(propValue)) {\n        var propType = getPropType(propValue);\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));\n      }\n      for (var i = 0; i < propValue.length; i++) {\n        var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret);\n        if (error instanceof Error) {\n          return error;\n        }\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createElementTypeChecker() {\n    function validate(props, propName, componentName, location, propFullName) {\n      var propValue = props[propName];\n      if (!isValidElement(propValue)) {\n        var propType = getPropType(propValue);\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createElementTypeTypeChecker() {\n    function validate(props, propName, componentName, location, propFullName) {\n      var propValue = props[propName];\n      if (!ReactIs.isValidElementType(propValue)) {\n        var propType = getPropType(propValue);\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement type.'));\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createInstanceTypeChecker(expectedClass) {\n    function validate(props, propName, componentName, location, propFullName) {\n      if (!(props[propName] instanceof expectedClass)) {\n        var expectedClassName = expectedClass.name || ANONYMOUS;\n        var actualClassName = getClassName(props[propName]);\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createEnumTypeChecker(expectedValues) {\n    if (!Array.isArray(expectedValues)) {\n      if (true) {\n        if (arguments.length > 1) {\n          printWarning(\n            'Invalid arguments supplied to oneOf, expected an array, got ' + arguments.length + ' arguments. ' +\n            'A common mistake is to write oneOf(x, y, z) instead of oneOf([x, y, z]).'\n          );\n        } else {\n          printWarning('Invalid argument supplied to oneOf, expected an array.');\n        }\n      }\n      return emptyFunctionThatReturnsNull;\n    }\n\n    function validate(props, propName, componentName, location, propFullName) {\n      var propValue = props[propName];\n      for (var i = 0; i < expectedValues.length; i++) {\n        if (is(propValue, expectedValues[i])) {\n          return null;\n        }\n      }\n\n      var valuesString = JSON.stringify(expectedValues, function replacer(key, value) {\n        var type = getPreciseType(value);\n        if (type === 'symbol') {\n          return String(value);\n        }\n        return value;\n      });\n      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + String(propValue) + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createObjectOfTypeChecker(typeChecker) {\n    function validate(props, propName, componentName, location, propFullName) {\n      if (typeof typeChecker !== 'function') {\n        return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');\n      }\n      var propValue = props[propName];\n      var propType = getPropType(propValue);\n      if (propType !== 'object') {\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));\n      }\n      for (var key in propValue) {\n        if (has(propValue, key)) {\n          var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n          if (error instanceof Error) {\n            return error;\n          }\n        }\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createUnionTypeChecker(arrayOfTypeCheckers) {\n    if (!Array.isArray(arrayOfTypeCheckers)) {\n       true ? printWarning('Invalid argument supplied to oneOfType, expected an instance of array.') : 0;\n      return emptyFunctionThatReturnsNull;\n    }\n\n    for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n      var checker = arrayOfTypeCheckers[i];\n      if (typeof checker !== 'function') {\n        printWarning(\n          'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +\n          'received ' + getPostfixForTypeWarning(checker) + ' at index ' + i + '.'\n        );\n        return emptyFunctionThatReturnsNull;\n      }\n    }\n\n    function validate(props, propName, componentName, location, propFullName) {\n      for (var i = 0; i < arrayOfTypeCheckers.length; i++) {\n        var checker = arrayOfTypeCheckers[i];\n        if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret) == null) {\n          return null;\n        }\n      }\n\n      return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createNodeChecker() {\n    function validate(props, propName, componentName, location, propFullName) {\n      if (!isNode(props[propName])) {\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createShapeTypeChecker(shapeTypes) {\n    function validate(props, propName, componentName, location, propFullName) {\n      var propValue = props[propName];\n      var propType = getPropType(propValue);\n      if (propType !== 'object') {\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n      }\n      for (var key in shapeTypes) {\n        var checker = shapeTypes[key];\n        if (!checker) {\n          continue;\n        }\n        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n        if (error) {\n          return error;\n        }\n      }\n      return null;\n    }\n    return createChainableTypeChecker(validate);\n  }\n\n  function createStrictShapeTypeChecker(shapeTypes) {\n    function validate(props, propName, componentName, location, propFullName) {\n      var propValue = props[propName];\n      var propType = getPropType(propValue);\n      if (propType !== 'object') {\n        return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));\n      }\n      // We need to check all keys in case some are required but missing from\n      // props.\n      var allKeys = assign({}, props[propName], shapeTypes);\n      for (var key in allKeys) {\n        var checker = shapeTypes[key];\n        if (!checker) {\n          return new PropTypeError(\n            'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +\n            '\\nBad object: ' + JSON.stringify(props[propName], null, '  ') +\n            '\\nValid keys: ' +  JSON.stringify(Object.keys(shapeTypes), null, '  ')\n          );\n        }\n        var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);\n        if (error) {\n          return error;\n        }\n      }\n      return null;\n    }\n\n    return createChainableTypeChecker(validate);\n  }\n\n  function isNode(propValue) {\n    switch (typeof propValue) {\n      case 'number':\n      case 'string':\n      case 'undefined':\n        return true;\n      case 'boolean':\n        return !propValue;\n      case 'object':\n        if (Array.isArray(propValue)) {\n          return propValue.every(isNode);\n        }\n        if (propValue === null || isValidElement(propValue)) {\n          return true;\n        }\n\n        var iteratorFn = getIteratorFn(propValue);\n        if (iteratorFn) {\n          var iterator = iteratorFn.call(propValue);\n          var step;\n          if (iteratorFn !== propValue.entries) {\n            while (!(step = iterator.next()).done) {\n              if (!isNode(step.value)) {\n                return false;\n              }\n            }\n          } else {\n            // Iterator will provide entry [k,v] tuples rather than values.\n            while (!(step = iterator.next()).done) {\n              var entry = step.value;\n              if (entry) {\n                if (!isNode(entry[1])) {\n                  return false;\n                }\n              }\n            }\n          }\n        } else {\n          return false;\n        }\n\n        return true;\n      default:\n        return false;\n    }\n  }\n\n  function isSymbol(propType, propValue) {\n    // Native Symbol.\n    if (propType === 'symbol') {\n      return true;\n    }\n\n    // falsy value can't be a Symbol\n    if (!propValue) {\n      return false;\n    }\n\n    // 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'\n    if (propValue['@@toStringTag'] === 'Symbol') {\n      return true;\n    }\n\n    // Fallback for non-spec compliant Symbols which are polyfilled.\n    if (typeof Symbol === 'function' && propValue instanceof Symbol) {\n      return true;\n    }\n\n    return false;\n  }\n\n  // Equivalent of `typeof` but with special handling for array and regexp.\n  function getPropType(propValue) {\n    var propType = typeof propValue;\n    if (Array.isArray(propValue)) {\n      return 'array';\n    }\n    if (propValue instanceof RegExp) {\n      // Old webkits (at least until Android 4.0) return 'function' rather than\n      // 'object' for typeof a RegExp. We'll normalize this here so that /bla/\n      // passes PropTypes.object.\n      return 'object';\n    }\n    if (isSymbol(propType, propValue)) {\n      return 'symbol';\n    }\n    return propType;\n  }\n\n  // This handles more types than `getPropType`. Only used for error messages.\n  // See `createPrimitiveTypeChecker`.\n  function getPreciseType(propValue) {\n    if (typeof propValue === 'undefined' || propValue === null) {\n      return '' + propValue;\n    }\n    var propType = getPropType(propValue);\n    if (propType === 'object') {\n      if (propValue instanceof Date) {\n        return 'date';\n      } else if (propValue instanceof RegExp) {\n        return 'regexp';\n      }\n    }\n    return propType;\n  }\n\n  // Returns a string that is postfixed to a warning about an invalid type.\n  // For example, \"undefined\" or \"of type array\"\n  function getPostfixForTypeWarning(value) {\n    var type = getPreciseType(value);\n    switch (type) {\n      case 'array':\n      case 'object':\n        return 'an ' + type;\n      case 'boolean':\n      case 'date':\n      case 'regexp':\n        return 'a ' + type;\n      default:\n        return type;\n    }\n  }\n\n  // Returns class name of the object, if any.\n  function getClassName(propValue) {\n    if (!propValue.constructor || !propValue.constructor.name) {\n      return ANONYMOUS;\n    }\n    return propValue.constructor.name;\n  }\n\n  ReactPropTypes.checkPropTypes = checkPropTypes;\n  ReactPropTypes.resetWarningCache = checkPropTypes.resetWarningCache;\n  ReactPropTypes.PropTypes = ReactPropTypes;\n\n  return ReactPropTypes;\n};\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/factoryWithTypeCheckers.js?");

/***/ }),

/***/ "./node_modules/prop-types/index.js":
/*!******************************************!*\
  !*** ./node_modules/prop-types/index.js ***!
  \******************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nif (true) {\n  var ReactIs = __webpack_require__(/*! react-is */ \"./node_modules/prop-types/node_modules/react-is/index.js\");\n\n  // By explicitly using `prop-types` you are opting into new development behavior.\n  // http://fb.me/prop-types-in-prod\n  var throwOnDirectAccess = true;\n  module.exports = __webpack_require__(/*! ./factoryWithTypeCheckers */ \"./node_modules/prop-types/factoryWithTypeCheckers.js\")(ReactIs.isElement, throwOnDirectAccess);\n} else {}\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/index.js?");

/***/ }),

/***/ "./node_modules/prop-types/lib/ReactPropTypesSecret.js":
/*!*************************************************************!*\
  !*** ./node_modules/prop-types/lib/ReactPropTypesSecret.js ***!
  \*************************************************************/
/***/ ((module) => {

"use strict";
eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nvar ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\nmodule.exports = ReactPropTypesSecret;\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/lib/ReactPropTypesSecret.js?");

/***/ }),

/***/ "./node_modules/prop-types/node_modules/react-is/cjs/react-is.development.js":
/*!***********************************************************************************!*\
  !*** ./node_modules/prop-types/node_modules/react-is/cjs/react-is.development.js ***!
  \***********************************************************************************/
/***/ ((__unused_webpack_module, exports) => {

"use strict";
eval("/** @license React v16.8.6\n * react-is.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\n\n\nif (true) {\n  (function() {\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", ({ value: true }));\n\n// The Symbol used to tag the ReactElement-like types. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar hasSymbol = typeof Symbol === 'function' && Symbol.for;\n\nvar REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;\nvar REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;\nvar REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;\nvar REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;\nvar REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;\nvar REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;\nvar REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace;\nvar REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;\nvar REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;\nvar REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;\nvar REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;\nvar REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;\nvar REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;\n\nfunction isValidElementType(type) {\n  return typeof type === 'string' || typeof type === 'function' ||\n  // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.\n  type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE);\n}\n\n/**\n * Forked from fbjs/warning:\n * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js\n *\n * Only change is we use console.warn instead of console.error,\n * and do nothing when 'console' is not supported.\n * This really simplifies the code.\n * ---\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar lowPriorityWarning = function () {};\n\n{\n  var printWarning = function (format) {\n    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      args[_key - 1] = arguments[_key];\n    }\n\n    var argIndex = 0;\n    var message = 'Warning: ' + format.replace(/%s/g, function () {\n      return args[argIndex++];\n    });\n    if (typeof console !== 'undefined') {\n      console.warn(message);\n    }\n    try {\n      // --- Welcome to debugging React ---\n      // This error was thrown as a convenience so that you can use this stack\n      // to find the callsite that caused this warning to fire.\n      throw new Error(message);\n    } catch (x) {}\n  };\n\n  lowPriorityWarning = function (condition, format) {\n    if (format === undefined) {\n      throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument');\n    }\n    if (!condition) {\n      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n        args[_key2 - 2] = arguments[_key2];\n      }\n\n      printWarning.apply(undefined, [format].concat(args));\n    }\n  };\n}\n\nvar lowPriorityWarning$1 = lowPriorityWarning;\n\nfunction typeOf(object) {\n  if (typeof object === 'object' && object !== null) {\n    var $$typeof = object.$$typeof;\n    switch ($$typeof) {\n      case REACT_ELEMENT_TYPE:\n        var type = object.type;\n\n        switch (type) {\n          case REACT_ASYNC_MODE_TYPE:\n          case REACT_CONCURRENT_MODE_TYPE:\n          case REACT_FRAGMENT_TYPE:\n          case REACT_PROFILER_TYPE:\n          case REACT_STRICT_MODE_TYPE:\n          case REACT_SUSPENSE_TYPE:\n            return type;\n          default:\n            var $$typeofType = type && type.$$typeof;\n\n            switch ($$typeofType) {\n              case REACT_CONTEXT_TYPE:\n              case REACT_FORWARD_REF_TYPE:\n              case REACT_PROVIDER_TYPE:\n                return $$typeofType;\n              default:\n                return $$typeof;\n            }\n        }\n      case REACT_LAZY_TYPE:\n      case REACT_MEMO_TYPE:\n      case REACT_PORTAL_TYPE:\n        return $$typeof;\n    }\n  }\n\n  return undefined;\n}\n\n// AsyncMode is deprecated along with isAsyncMode\nvar AsyncMode = REACT_ASYNC_MODE_TYPE;\nvar ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;\nvar ContextConsumer = REACT_CONTEXT_TYPE;\nvar ContextProvider = REACT_PROVIDER_TYPE;\nvar Element = REACT_ELEMENT_TYPE;\nvar ForwardRef = REACT_FORWARD_REF_TYPE;\nvar Fragment = REACT_FRAGMENT_TYPE;\nvar Lazy = REACT_LAZY_TYPE;\nvar Memo = REACT_MEMO_TYPE;\nvar Portal = REACT_PORTAL_TYPE;\nvar Profiler = REACT_PROFILER_TYPE;\nvar StrictMode = REACT_STRICT_MODE_TYPE;\nvar Suspense = REACT_SUSPENSE_TYPE;\n\nvar hasWarnedAboutDeprecatedIsAsyncMode = false;\n\n// AsyncMode should be deprecated\nfunction isAsyncMode(object) {\n  {\n    if (!hasWarnedAboutDeprecatedIsAsyncMode) {\n      hasWarnedAboutDeprecatedIsAsyncMode = true;\n      lowPriorityWarning$1(false, 'The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 17+. Update your code to use ' + 'ReactIs.isConcurrentMode() instead. It has the exact same API.');\n    }\n  }\n  return isConcurrentMode(object) || typeOf(object) === REACT_ASYNC_MODE_TYPE;\n}\nfunction isConcurrentMode(object) {\n  return typeOf(object) === REACT_CONCURRENT_MODE_TYPE;\n}\nfunction isContextConsumer(object) {\n  return typeOf(object) === REACT_CONTEXT_TYPE;\n}\nfunction isContextProvider(object) {\n  return typeOf(object) === REACT_PROVIDER_TYPE;\n}\nfunction isElement(object) {\n  return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;\n}\nfunction isForwardRef(object) {\n  return typeOf(object) === REACT_FORWARD_REF_TYPE;\n}\nfunction isFragment(object) {\n  return typeOf(object) === REACT_FRAGMENT_TYPE;\n}\nfunction isLazy(object) {\n  return typeOf(object) === REACT_LAZY_TYPE;\n}\nfunction isMemo(object) {\n  return typeOf(object) === REACT_MEMO_TYPE;\n}\nfunction isPortal(object) {\n  return typeOf(object) === REACT_PORTAL_TYPE;\n}\nfunction isProfiler(object) {\n  return typeOf(object) === REACT_PROFILER_TYPE;\n}\nfunction isStrictMode(object) {\n  return typeOf(object) === REACT_STRICT_MODE_TYPE;\n}\nfunction isSuspense(object) {\n  return typeOf(object) === REACT_SUSPENSE_TYPE;\n}\n\nexports.typeOf = typeOf;\nexports.AsyncMode = AsyncMode;\nexports.ConcurrentMode = ConcurrentMode;\nexports.ContextConsumer = ContextConsumer;\nexports.ContextProvider = ContextProvider;\nexports.Element = Element;\nexports.ForwardRef = ForwardRef;\nexports.Fragment = Fragment;\nexports.Lazy = Lazy;\nexports.Memo = Memo;\nexports.Portal = Portal;\nexports.Profiler = Profiler;\nexports.StrictMode = StrictMode;\nexports.Suspense = Suspense;\nexports.isValidElementType = isValidElementType;\nexports.isAsyncMode = isAsyncMode;\nexports.isConcurrentMode = isConcurrentMode;\nexports.isContextConsumer = isContextConsumer;\nexports.isContextProvider = isContextProvider;\nexports.isElement = isElement;\nexports.isForwardRef = isForwardRef;\nexports.isFragment = isFragment;\nexports.isLazy = isLazy;\nexports.isMemo = isMemo;\nexports.isPortal = isPortal;\nexports.isProfiler = isProfiler;\nexports.isStrictMode = isStrictMode;\nexports.isSuspense = isSuspense;\n  })();\n}\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/node_modules/react-is/cjs/react-is.development.js?");

/***/ }),

/***/ "./node_modules/prop-types/node_modules/react-is/index.js":
/*!****************************************************************!*\
  !*** ./node_modules/prop-types/node_modules/react-is/index.js ***!
  \****************************************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
eval("\n\nif (false) {} else {\n  module.exports = __webpack_require__(/*! ./cjs/react-is.development.js */ \"./node_modules/prop-types/node_modules/react-is/cjs/react-is.development.js\");\n}\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/prop-types/node_modules/react-is/index.js?");

/***/ }),

/***/ "./node_modules/react/cjs/react.development.js":
/*!*****************************************************!*\
  !*** ./node_modules/react/cjs/react.development.js ***!
  \*****************************************************/
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
eval("/** @license React v16.14.0\n * react.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\n\n\nif (true) {\n  (function() {\n'use strict';\n\nvar _assign = __webpack_require__(/*! object-assign */ \"./node_modules/object-assign/index.js\");\nvar checkPropTypes = __webpack_require__(/*! prop-types/checkPropTypes */ \"./node_modules/prop-types/checkPropTypes.js\");\n\nvar ReactVersion = '16.14.0';\n\n// The Symbol used to tag the ReactElement-like types. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar hasSymbol = typeof Symbol === 'function' && Symbol.for;\nvar REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;\nvar REACT_PORTAL_TYPE = hasSymbol ? Symbol.for('react.portal') : 0xeaca;\nvar REACT_FRAGMENT_TYPE = hasSymbol ? Symbol.for('react.fragment') : 0xeacb;\nvar REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol.for('react.strict_mode') : 0xeacc;\nvar REACT_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;\nvar REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;\nvar REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary\nvar REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;\nvar REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;\nvar REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;\nvar REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;\nvar REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;\nvar REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;\nvar REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;\nvar REACT_FUNDAMENTAL_TYPE = hasSymbol ? Symbol.for('react.fundamental') : 0xead5;\nvar REACT_RESPONDER_TYPE = hasSymbol ? Symbol.for('react.responder') : 0xead6;\nvar REACT_SCOPE_TYPE = hasSymbol ? Symbol.for('react.scope') : 0xead7;\nvar MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;\nvar FAUX_ITERATOR_SYMBOL = '@@iterator';\nfunction getIteratorFn(maybeIterable) {\n  if (maybeIterable === null || typeof maybeIterable !== 'object') {\n    return null;\n  }\n\n  var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];\n\n  if (typeof maybeIterator === 'function') {\n    return maybeIterator;\n  }\n\n  return null;\n}\n\n/**\n * Keeps track of the current dispatcher.\n */\nvar ReactCurrentDispatcher = {\n  /**\n   * @internal\n   * @type {ReactComponent}\n   */\n  current: null\n};\n\n/**\n * Keeps track of the current batch's configuration such as how long an update\n * should suspend for if it needs to.\n */\nvar ReactCurrentBatchConfig = {\n  suspense: null\n};\n\n/**\n * Keeps track of the current owner.\n *\n * The current owner is the component who should own any components that are\n * currently being constructed.\n */\nvar ReactCurrentOwner = {\n  /**\n   * @internal\n   * @type {ReactComponent}\n   */\n  current: null\n};\n\nvar BEFORE_SLASH_RE = /^(.*)[\\\\\\/]/;\nfunction describeComponentFrame (name, source, ownerName) {\n  var sourceInfo = '';\n\n  if (source) {\n    var path = source.fileName;\n    var fileName = path.replace(BEFORE_SLASH_RE, '');\n\n    {\n      // In DEV, include code for a common special case:\n      // prefer \"folder/index.js\" instead of just \"index.js\".\n      if (/^index\\./.test(fileName)) {\n        var match = path.match(BEFORE_SLASH_RE);\n\n        if (match) {\n          var pathBeforeSlash = match[1];\n\n          if (pathBeforeSlash) {\n            var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, '');\n            fileName = folderName + '/' + fileName;\n          }\n        }\n      }\n    }\n\n    sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')';\n  } else if (ownerName) {\n    sourceInfo = ' (created by ' + ownerName + ')';\n  }\n\n  return '\\n    in ' + (name || 'Unknown') + sourceInfo;\n}\n\nvar Resolved = 1;\nfunction refineResolvedLazyComponent(lazyComponent) {\n  return lazyComponent._status === Resolved ? lazyComponent._result : null;\n}\n\nfunction getWrappedName(outerType, innerType, wrapperName) {\n  var functionName = innerType.displayName || innerType.name || '';\n  return outerType.displayName || (functionName !== '' ? wrapperName + \"(\" + functionName + \")\" : wrapperName);\n}\n\nfunction getComponentName(type) {\n  if (type == null) {\n    // Host root, text node or just invalid type.\n    return null;\n  }\n\n  {\n    if (typeof type.tag === 'number') {\n      error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.');\n    }\n  }\n\n  if (typeof type === 'function') {\n    return type.displayName || type.name || null;\n  }\n\n  if (typeof type === 'string') {\n    return type;\n  }\n\n  switch (type) {\n    case REACT_FRAGMENT_TYPE:\n      return 'Fragment';\n\n    case REACT_PORTAL_TYPE:\n      return 'Portal';\n\n    case REACT_PROFILER_TYPE:\n      return \"Profiler\";\n\n    case REACT_STRICT_MODE_TYPE:\n      return 'StrictMode';\n\n    case REACT_SUSPENSE_TYPE:\n      return 'Suspense';\n\n    case REACT_SUSPENSE_LIST_TYPE:\n      return 'SuspenseList';\n  }\n\n  if (typeof type === 'object') {\n    switch (type.$$typeof) {\n      case REACT_CONTEXT_TYPE:\n        return 'Context.Consumer';\n\n      case REACT_PROVIDER_TYPE:\n        return 'Context.Provider';\n\n      case REACT_FORWARD_REF_TYPE:\n        return getWrappedName(type, type.render, 'ForwardRef');\n\n      case REACT_MEMO_TYPE:\n        return getComponentName(type.type);\n\n      case REACT_BLOCK_TYPE:\n        return getComponentName(type.render);\n\n      case REACT_LAZY_TYPE:\n        {\n          var thenable = type;\n          var resolvedThenable = refineResolvedLazyComponent(thenable);\n\n          if (resolvedThenable) {\n            return getComponentName(resolvedThenable);\n          }\n\n          break;\n        }\n    }\n  }\n\n  return null;\n}\n\nvar ReactDebugCurrentFrame = {};\nvar currentlyValidatingElement = null;\nfunction setCurrentlyValidatingElement(element) {\n  {\n    currentlyValidatingElement = element;\n  }\n}\n\n{\n  // Stack implementation injected by the current renderer.\n  ReactDebugCurrentFrame.getCurrentStack = null;\n\n  ReactDebugCurrentFrame.getStackAddendum = function () {\n    var stack = ''; // Add an extra top frame while an element is being validated\n\n    if (currentlyValidatingElement) {\n      var name = getComponentName(currentlyValidatingElement.type);\n      var owner = currentlyValidatingElement._owner;\n      stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner.type));\n    } // Delegate to the injected renderer-specific implementation\n\n\n    var impl = ReactDebugCurrentFrame.getCurrentStack;\n\n    if (impl) {\n      stack += impl() || '';\n    }\n\n    return stack;\n  };\n}\n\n/**\n * Used by act() to track whether you're inside an act() scope.\n */\nvar IsSomeRendererActing = {\n  current: false\n};\n\nvar ReactSharedInternals = {\n  ReactCurrentDispatcher: ReactCurrentDispatcher,\n  ReactCurrentBatchConfig: ReactCurrentBatchConfig,\n  ReactCurrentOwner: ReactCurrentOwner,\n  IsSomeRendererActing: IsSomeRendererActing,\n  // Used by renderers to avoid bundling object-assign twice in UMD bundles:\n  assign: _assign\n};\n\n{\n  _assign(ReactSharedInternals, {\n    // These should not be included in production.\n    ReactDebugCurrentFrame: ReactDebugCurrentFrame,\n    // Shim for React DOM 16.0.0 which still destructured (but not used) this.\n    // TODO: remove in React 17.0.\n    ReactComponentTreeHook: {}\n  });\n}\n\n// by calls to these methods by a Babel plugin.\n//\n// In PROD (or in packages without access to React internals),\n// they are left as they are instead.\n\nfunction warn(format) {\n  {\n    for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      args[_key - 1] = arguments[_key];\n    }\n\n    printWarning('warn', format, args);\n  }\n}\nfunction error(format) {\n  {\n    for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {\n      args[_key2 - 1] = arguments[_key2];\n    }\n\n    printWarning('error', format, args);\n  }\n}\n\nfunction printWarning(level, format, args) {\n  // When changing this logic, you might want to also\n  // update consoleWithStackDev.www.js as well.\n  {\n    var hasExistingStack = args.length > 0 && typeof args[args.length - 1] === 'string' && args[args.length - 1].indexOf('\\n    in') === 0;\n\n    if (!hasExistingStack) {\n      var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;\n      var stack = ReactDebugCurrentFrame.getStackAddendum();\n\n      if (stack !== '') {\n        format += '%s';\n        args = args.concat([stack]);\n      }\n    }\n\n    var argsWithFormat = args.map(function (item) {\n      return '' + item;\n    }); // Careful: RN currently depends on this prefix\n\n    argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it\n    // breaks IE9: https://github.com/facebook/react/issues/13610\n    // eslint-disable-next-line react-internal/no-production-logging\n\n    Function.prototype.apply.call(console[level], console, argsWithFormat);\n\n    try {\n      // --- Welcome to debugging React ---\n      // This error was thrown as a convenience so that you can use this stack\n      // to find the callsite that caused this warning to fire.\n      var argIndex = 0;\n      var message = 'Warning: ' + format.replace(/%s/g, function () {\n        return args[argIndex++];\n      });\n      throw new Error(message);\n    } catch (x) {}\n  }\n}\n\nvar didWarnStateUpdateForUnmountedComponent = {};\n\nfunction warnNoop(publicInstance, callerName) {\n  {\n    var _constructor = publicInstance.constructor;\n    var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';\n    var warningKey = componentName + \".\" + callerName;\n\n    if (didWarnStateUpdateForUnmountedComponent[warningKey]) {\n      return;\n    }\n\n    error(\"Can't call %s on a component that is not yet mounted. \" + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);\n\n    didWarnStateUpdateForUnmountedComponent[warningKey] = true;\n  }\n}\n/**\n * This is the abstract API for an update queue.\n */\n\n\nvar ReactNoopUpdateQueue = {\n  /**\n   * Checks whether or not this composite component is mounted.\n   * @param {ReactClass} publicInstance The instance we want to test.\n   * @return {boolean} True if mounted, false otherwise.\n   * @protected\n   * @final\n   */\n  isMounted: function (publicInstance) {\n    return false;\n  },\n\n  /**\n   * Forces an update. This should only be invoked when it is known with\n   * certainty that we are **not** in a DOM transaction.\n   *\n   * You may want to call this when you know that some deeper aspect of the\n   * component's state has changed but `setState` was not called.\n   *\n   * This will not invoke `shouldComponentUpdate`, but it will invoke\n   * `componentWillUpdate` and `componentDidUpdate`.\n   *\n   * @param {ReactClass} publicInstance The instance that should rerender.\n   * @param {?function} callback Called after component is updated.\n   * @param {?string} callerName name of the calling function in the public API.\n   * @internal\n   */\n  enqueueForceUpdate: function (publicInstance, callback, callerName) {\n    warnNoop(publicInstance, 'forceUpdate');\n  },\n\n  /**\n   * Replaces all of the state. Always use this or `setState` to mutate state.\n   * You should treat `this.state` as immutable.\n   *\n   * There is no guarantee that `this.state` will be immediately updated, so\n   * accessing `this.state` after calling this method may return the old value.\n   *\n   * @param {ReactClass} publicInstance The instance that should rerender.\n   * @param {object} completeState Next state.\n   * @param {?function} callback Called after component is updated.\n   * @param {?string} callerName name of the calling function in the public API.\n   * @internal\n   */\n  enqueueReplaceState: function (publicInstance, completeState, callback, callerName) {\n    warnNoop(publicInstance, 'replaceState');\n  },\n\n  /**\n   * Sets a subset of the state. This only exists because _pendingState is\n   * internal. This provides a merging strategy that is not available to deep\n   * properties which is confusing. TODO: Expose pendingState or don't use it\n   * during the merge.\n   *\n   * @param {ReactClass} publicInstance The instance that should rerender.\n   * @param {object} partialState Next partial state to be merged with state.\n   * @param {?function} callback Called after component is updated.\n   * @param {?string} Name of the calling function in the public API.\n   * @internal\n   */\n  enqueueSetState: function (publicInstance, partialState, callback, callerName) {\n    warnNoop(publicInstance, 'setState');\n  }\n};\n\nvar emptyObject = {};\n\n{\n  Object.freeze(emptyObject);\n}\n/**\n * Base class helpers for the updating state of a component.\n */\n\n\nfunction Component(props, context, updater) {\n  this.props = props;\n  this.context = context; // If a component has string refs, we will assign a different object later.\n\n  this.refs = emptyObject; // We initialize the default updater but the real one gets injected by the\n  // renderer.\n\n  this.updater = updater || ReactNoopUpdateQueue;\n}\n\nComponent.prototype.isReactComponent = {};\n/**\n * Sets a subset of the state. Always use this to mutate\n * state. You should treat `this.state` as immutable.\n *\n * There is no guarantee that `this.state` will be immediately updated, so\n * accessing `this.state` after calling this method may return the old value.\n *\n * There is no guarantee that calls to `setState` will run synchronously,\n * as they may eventually be batched together.  You can provide an optional\n * callback that will be executed when the call to setState is actually\n * completed.\n *\n * When a function is provided to setState, it will be called at some point in\n * the future (not synchronously). It will be called with the up to date\n * component arguments (state, props, context). These values can be different\n * from this.* because your function may be called after receiveProps but before\n * shouldComponentUpdate, and this new state, props, and context will not yet be\n * assigned to this.\n *\n * @param {object|function} partialState Next partial state or function to\n *        produce next partial state to be merged with current state.\n * @param {?function} callback Called after state is updated.\n * @final\n * @protected\n */\n\nComponent.prototype.setState = function (partialState, callback) {\n  if (!(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null)) {\n    {\n      throw Error( \"setState(...): takes an object of state variables to update or a function which returns an object of state variables.\" );\n    }\n  }\n\n  this.updater.enqueueSetState(this, partialState, callback, 'setState');\n};\n/**\n * Forces an update. This should only be invoked when it is known with\n * certainty that we are **not** in a DOM transaction.\n *\n * You may want to call this when you know that some deeper aspect of the\n * component's state has changed but `setState` was not called.\n *\n * This will not invoke `shouldComponentUpdate`, but it will invoke\n * `componentWillUpdate` and `componentDidUpdate`.\n *\n * @param {?function} callback Called after update is complete.\n * @final\n * @protected\n */\n\n\nComponent.prototype.forceUpdate = function (callback) {\n  this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');\n};\n/**\n * Deprecated APIs. These APIs used to exist on classic React classes but since\n * we would like to deprecate them, we're not going to move them over to this\n * modern base class. Instead, we define a getter that warns if it's accessed.\n */\n\n\n{\n  var deprecatedAPIs = {\n    isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],\n    replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']\n  };\n\n  var defineDeprecationWarning = function (methodName, info) {\n    Object.defineProperty(Component.prototype, methodName, {\n      get: function () {\n        warn('%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);\n\n        return undefined;\n      }\n    });\n  };\n\n  for (var fnName in deprecatedAPIs) {\n    if (deprecatedAPIs.hasOwnProperty(fnName)) {\n      defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);\n    }\n  }\n}\n\nfunction ComponentDummy() {}\n\nComponentDummy.prototype = Component.prototype;\n/**\n * Convenience component with default shallow equality check for sCU.\n */\n\nfunction PureComponent(props, context, updater) {\n  this.props = props;\n  this.context = context; // If a component has string refs, we will assign a different object later.\n\n  this.refs = emptyObject;\n  this.updater = updater || ReactNoopUpdateQueue;\n}\n\nvar pureComponentPrototype = PureComponent.prototype = new ComponentDummy();\npureComponentPrototype.constructor = PureComponent; // Avoid an extra prototype jump for these methods.\n\n_assign(pureComponentPrototype, Component.prototype);\n\npureComponentPrototype.isPureReactComponent = true;\n\n// an immutable object with a single mutable value\nfunction createRef() {\n  var refObject = {\n    current: null\n  };\n\n  {\n    Object.seal(refObject);\n  }\n\n  return refObject;\n}\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar RESERVED_PROPS = {\n  key: true,\n  ref: true,\n  __self: true,\n  __source: true\n};\nvar specialPropKeyWarningShown, specialPropRefWarningShown, didWarnAboutStringRefs;\n\n{\n  didWarnAboutStringRefs = {};\n}\n\nfunction hasValidRef(config) {\n  {\n    if (hasOwnProperty.call(config, 'ref')) {\n      var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;\n\n      if (getter && getter.isReactWarning) {\n        return false;\n      }\n    }\n  }\n\n  return config.ref !== undefined;\n}\n\nfunction hasValidKey(config) {\n  {\n    if (hasOwnProperty.call(config, 'key')) {\n      var getter = Object.getOwnPropertyDescriptor(config, 'key').get;\n\n      if (getter && getter.isReactWarning) {\n        return false;\n      }\n    }\n  }\n\n  return config.key !== undefined;\n}\n\nfunction defineKeyPropWarningGetter(props, displayName) {\n  var warnAboutAccessingKey = function () {\n    {\n      if (!specialPropKeyWarningShown) {\n        specialPropKeyWarningShown = true;\n\n        error('%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);\n      }\n    }\n  };\n\n  warnAboutAccessingKey.isReactWarning = true;\n  Object.defineProperty(props, 'key', {\n    get: warnAboutAccessingKey,\n    configurable: true\n  });\n}\n\nfunction defineRefPropWarningGetter(props, displayName) {\n  var warnAboutAccessingRef = function () {\n    {\n      if (!specialPropRefWarningShown) {\n        specialPropRefWarningShown = true;\n\n        error('%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);\n      }\n    }\n  };\n\n  warnAboutAccessingRef.isReactWarning = true;\n  Object.defineProperty(props, 'ref', {\n    get: warnAboutAccessingRef,\n    configurable: true\n  });\n}\n\nfunction warnIfStringRefCannotBeAutoConverted(config) {\n  {\n    if (typeof config.ref === 'string' && ReactCurrentOwner.current && config.__self && ReactCurrentOwner.current.stateNode !== config.__self) {\n      var componentName = getComponentName(ReactCurrentOwner.current.type);\n\n      if (!didWarnAboutStringRefs[componentName]) {\n        error('Component \"%s\" contains the string ref \"%s\". ' + 'Support for string refs will be removed in a future major release. ' + 'This case cannot be automatically converted to an arrow function. ' + 'We ask you to manually fix this case by using useRef() or createRef() instead. ' + 'Learn more about using refs safely here: ' + 'https://fb.me/react-strict-mode-string-ref', getComponentName(ReactCurrentOwner.current.type), config.ref);\n\n        didWarnAboutStringRefs[componentName] = true;\n      }\n    }\n  }\n}\n/**\n * Factory method to create a new React element. This no longer adheres to\n * the class pattern, so do not use new to call it. Also, instanceof check\n * will not work. Instead test $$typeof field against Symbol.for('react.element') to check\n * if something is a React Element.\n *\n * @param {*} type\n * @param {*} props\n * @param {*} key\n * @param {string|object} ref\n * @param {*} owner\n * @param {*} self A *temporary* helper to detect places where `this` is\n * different from the `owner` when React.createElement is called, so that we\n * can warn. We want to get rid of owner and replace string `ref`s with arrow\n * functions, and as long as `this` and owner are the same, there will be no\n * change in behavior.\n * @param {*} source An annotation object (added by a transpiler or otherwise)\n * indicating filename, line number, and/or other information.\n * @internal\n */\n\n\nvar ReactElement = function (type, key, ref, self, source, owner, props) {\n  var element = {\n    // This tag allows us to uniquely identify this as a React Element\n    $$typeof: REACT_ELEMENT_TYPE,\n    // Built-in properties that belong on the element\n    type: type,\n    key: key,\n    ref: ref,\n    props: props,\n    // Record the component responsible for creating this element.\n    _owner: owner\n  };\n\n  {\n    // The validation flag is currently mutative. We put it on\n    // an external backing store so that we can freeze the whole object.\n    // This can be replaced with a WeakMap once they are implemented in\n    // commonly used development environments.\n    element._store = {}; // To make comparing ReactElements easier for testing purposes, we make\n    // the validation flag non-enumerable (where possible, which should\n    // include every environment we run tests in), so the test framework\n    // ignores it.\n\n    Object.defineProperty(element._store, 'validated', {\n      configurable: false,\n      enumerable: false,\n      writable: true,\n      value: false\n    }); // self and source are DEV only properties.\n\n    Object.defineProperty(element, '_self', {\n      configurable: false,\n      enumerable: false,\n      writable: false,\n      value: self\n    }); // Two elements created in two different places should be considered\n    // equal for testing purposes and therefore we hide it from enumeration.\n\n    Object.defineProperty(element, '_source', {\n      configurable: false,\n      enumerable: false,\n      writable: false,\n      value: source\n    });\n\n    if (Object.freeze) {\n      Object.freeze(element.props);\n      Object.freeze(element);\n    }\n  }\n\n  return element;\n};\n/**\n * Create and return a new ReactElement of the given type.\n * See https://reactjs.org/docs/react-api.html#createelement\n */\n\nfunction createElement(type, config, children) {\n  var propName; // Reserved names are extracted\n\n  var props = {};\n  var key = null;\n  var ref = null;\n  var self = null;\n  var source = null;\n\n  if (config != null) {\n    if (hasValidRef(config)) {\n      ref = config.ref;\n\n      {\n        warnIfStringRefCannotBeAutoConverted(config);\n      }\n    }\n\n    if (hasValidKey(config)) {\n      key = '' + config.key;\n    }\n\n    self = config.__self === undefined ? null : config.__self;\n    source = config.__source === undefined ? null : config.__source; // Remaining properties are added to a new props object\n\n    for (propName in config) {\n      if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {\n        props[propName] = config[propName];\n      }\n    }\n  } // Children can be more than one argument, and those are transferred onto\n  // the newly allocated props object.\n\n\n  var childrenLength = arguments.length - 2;\n\n  if (childrenLength === 1) {\n    props.children = children;\n  } else if (childrenLength > 1) {\n    var childArray = Array(childrenLength);\n\n    for (var i = 0; i < childrenLength; i++) {\n      childArray[i] = arguments[i + 2];\n    }\n\n    {\n      if (Object.freeze) {\n        Object.freeze(childArray);\n      }\n    }\n\n    props.children = childArray;\n  } // Resolve default props\n\n\n  if (type && type.defaultProps) {\n    var defaultProps = type.defaultProps;\n\n    for (propName in defaultProps) {\n      if (props[propName] === undefined) {\n        props[propName] = defaultProps[propName];\n      }\n    }\n  }\n\n  {\n    if (key || ref) {\n      var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;\n\n      if (key) {\n        defineKeyPropWarningGetter(props, displayName);\n      }\n\n      if (ref) {\n        defineRefPropWarningGetter(props, displayName);\n      }\n    }\n  }\n\n  return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);\n}\nfunction cloneAndReplaceKey(oldElement, newKey) {\n  var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);\n  return newElement;\n}\n/**\n * Clone and return a new ReactElement using element as the starting point.\n * See https://reactjs.org/docs/react-api.html#cloneelement\n */\n\nfunction cloneElement(element, config, children) {\n  if (!!(element === null || element === undefined)) {\n    {\n      throw Error( \"React.cloneElement(...): The argument must be a React element, but you passed \" + element + \".\" );\n    }\n  }\n\n  var propName; // Original props are copied\n\n  var props = _assign({}, element.props); // Reserved names are extracted\n\n\n  var key = element.key;\n  var ref = element.ref; // Self is preserved since the owner is preserved.\n\n  var self = element._self; // Source is preserved since cloneElement is unlikely to be targeted by a\n  // transpiler, and the original source is probably a better indicator of the\n  // true owner.\n\n  var source = element._source; // Owner will be preserved, unless ref is overridden\n\n  var owner = element._owner;\n\n  if (config != null) {\n    if (hasValidRef(config)) {\n      // Silently steal the ref from the parent.\n      ref = config.ref;\n      owner = ReactCurrentOwner.current;\n    }\n\n    if (hasValidKey(config)) {\n      key = '' + config.key;\n    } // Remaining properties override existing props\n\n\n    var defaultProps;\n\n    if (element.type && element.type.defaultProps) {\n      defaultProps = element.type.defaultProps;\n    }\n\n    for (propName in config) {\n      if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {\n        if (config[propName] === undefined && defaultProps !== undefined) {\n          // Resolve default props\n          props[propName] = defaultProps[propName];\n        } else {\n          props[propName] = config[propName];\n        }\n      }\n    }\n  } // Children can be more than one argument, and those are transferred onto\n  // the newly allocated props object.\n\n\n  var childrenLength = arguments.length - 2;\n\n  if (childrenLength === 1) {\n    props.children = children;\n  } else if (childrenLength > 1) {\n    var childArray = Array(childrenLength);\n\n    for (var i = 0; i < childrenLength; i++) {\n      childArray[i] = arguments[i + 2];\n    }\n\n    props.children = childArray;\n  }\n\n  return ReactElement(element.type, key, ref, self, source, owner, props);\n}\n/**\n * Verifies the object is a ReactElement.\n * See https://reactjs.org/docs/react-api.html#isvalidelement\n * @param {?object} object\n * @return {boolean} True if `object` is a ReactElement.\n * @final\n */\n\nfunction isValidElement(object) {\n  return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;\n}\n\nvar SEPARATOR = '.';\nvar SUBSEPARATOR = ':';\n/**\n * Escape and wrap key so it is safe to use as a reactid\n *\n * @param {string} key to be escaped.\n * @return {string} the escaped key.\n */\n\nfunction escape(key) {\n  var escapeRegex = /[=:]/g;\n  var escaperLookup = {\n    '=': '=0',\n    ':': '=2'\n  };\n  var escapedString = ('' + key).replace(escapeRegex, function (match) {\n    return escaperLookup[match];\n  });\n  return '$' + escapedString;\n}\n/**\n * TODO: Test that a single child and an array with one item have the same key\n * pattern.\n */\n\n\nvar didWarnAboutMaps = false;\nvar userProvidedKeyEscapeRegex = /\\/+/g;\n\nfunction escapeUserProvidedKey(text) {\n  return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');\n}\n\nvar POOL_SIZE = 10;\nvar traverseContextPool = [];\n\nfunction getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {\n  if (traverseContextPool.length) {\n    var traverseContext = traverseContextPool.pop();\n    traverseContext.result = mapResult;\n    traverseContext.keyPrefix = keyPrefix;\n    traverseContext.func = mapFunction;\n    traverseContext.context = mapContext;\n    traverseContext.count = 0;\n    return traverseContext;\n  } else {\n    return {\n      result: mapResult,\n      keyPrefix: keyPrefix,\n      func: mapFunction,\n      context: mapContext,\n      count: 0\n    };\n  }\n}\n\nfunction releaseTraverseContext(traverseContext) {\n  traverseContext.result = null;\n  traverseContext.keyPrefix = null;\n  traverseContext.func = null;\n  traverseContext.context = null;\n  traverseContext.count = 0;\n\n  if (traverseContextPool.length < POOL_SIZE) {\n    traverseContextPool.push(traverseContext);\n  }\n}\n/**\n * @param {?*} children Children tree container.\n * @param {!string} nameSoFar Name of the key path so far.\n * @param {!function} callback Callback to invoke with each child found.\n * @param {?*} traverseContext Used to pass information throughout the traversal\n * process.\n * @return {!number} The number of children in this subtree.\n */\n\n\nfunction traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {\n  var type = typeof children;\n\n  if (type === 'undefined' || type === 'boolean') {\n    // All of the above are perceived as null.\n    children = null;\n  }\n\n  var invokeCallback = false;\n\n  if (children === null) {\n    invokeCallback = true;\n  } else {\n    switch (type) {\n      case 'string':\n      case 'number':\n        invokeCallback = true;\n        break;\n\n      case 'object':\n        switch (children.$$typeof) {\n          case REACT_ELEMENT_TYPE:\n          case REACT_PORTAL_TYPE:\n            invokeCallback = true;\n        }\n\n    }\n  }\n\n  if (invokeCallback) {\n    callback(traverseContext, children, // If it's the only child, treat the name as if it was wrapped in an array\n    // so that it's consistent if the number of children grows.\n    nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);\n    return 1;\n  }\n\n  var child;\n  var nextName;\n  var subtreeCount = 0; // Count of children found in the current subtree.\n\n  var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;\n\n  if (Array.isArray(children)) {\n    for (var i = 0; i < children.length; i++) {\n      child = children[i];\n      nextName = nextNamePrefix + getComponentKey(child, i);\n      subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);\n    }\n  } else {\n    var iteratorFn = getIteratorFn(children);\n\n    if (typeof iteratorFn === 'function') {\n\n      {\n        // Warn about using Maps as children\n        if (iteratorFn === children.entries) {\n          if (!didWarnAboutMaps) {\n            warn('Using Maps as children is deprecated and will be removed in ' + 'a future major release. Consider converting children to ' + 'an array of keyed ReactElements instead.');\n          }\n\n          didWarnAboutMaps = true;\n        }\n      }\n\n      var iterator = iteratorFn.call(children);\n      var step;\n      var ii = 0;\n\n      while (!(step = iterator.next()).done) {\n        child = step.value;\n        nextName = nextNamePrefix + getComponentKey(child, ii++);\n        subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);\n      }\n    } else if (type === 'object') {\n      var addendum = '';\n\n      {\n        addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();\n      }\n\n      var childrenString = '' + children;\n\n      {\n        {\n          throw Error( \"Objects are not valid as a React child (found: \" + (childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString) + \").\" + addendum );\n        }\n      }\n    }\n  }\n\n  return subtreeCount;\n}\n/**\n * Traverses children that are typically specified as `props.children`, but\n * might also be specified through attributes:\n *\n * - `traverseAllChildren(this.props.children, ...)`\n * - `traverseAllChildren(this.props.leftPanelChildren, ...)`\n *\n * The `traverseContext` is an optional argument that is passed through the\n * entire traversal. It can be used to store accumulations or anything else that\n * the callback might find relevant.\n *\n * @param {?*} children Children tree object.\n * @param {!function} callback To invoke upon traversing each child.\n * @param {?*} traverseContext Context for traversal.\n * @return {!number} The number of children in this subtree.\n */\n\n\nfunction traverseAllChildren(children, callback, traverseContext) {\n  if (children == null) {\n    return 0;\n  }\n\n  return traverseAllChildrenImpl(children, '', callback, traverseContext);\n}\n/**\n * Generate a key string that identifies a component within a set.\n *\n * @param {*} component A component that could contain a manual key.\n * @param {number} index Index that is used if a manual key is not provided.\n * @return {string}\n */\n\n\nfunction getComponentKey(component, index) {\n  // Do some typechecking here since we call this blindly. We want to ensure\n  // that we don't block potential future ES APIs.\n  if (typeof component === 'object' && component !== null && component.key != null) {\n    // Explicit key\n    return escape(component.key);\n  } // Implicit key determined by the index in the set\n\n\n  return index.toString(36);\n}\n\nfunction forEachSingleChild(bookKeeping, child, name) {\n  var func = bookKeeping.func,\n      context = bookKeeping.context;\n  func.call(context, child, bookKeeping.count++);\n}\n/**\n * Iterates through children that are typically specified as `props.children`.\n *\n * See https://reactjs.org/docs/react-api.html#reactchildrenforeach\n *\n * The provided forEachFunc(child, index) will be called for each\n * leaf child.\n *\n * @param {?*} children Children tree container.\n * @param {function(*, int)} forEachFunc\n * @param {*} forEachContext Context for forEachContext.\n */\n\n\nfunction forEachChildren(children, forEachFunc, forEachContext) {\n  if (children == null) {\n    return children;\n  }\n\n  var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);\n  traverseAllChildren(children, forEachSingleChild, traverseContext);\n  releaseTraverseContext(traverseContext);\n}\n\nfunction mapSingleChildIntoContext(bookKeeping, child, childKey) {\n  var result = bookKeeping.result,\n      keyPrefix = bookKeeping.keyPrefix,\n      func = bookKeeping.func,\n      context = bookKeeping.context;\n  var mappedChild = func.call(context, child, bookKeeping.count++);\n\n  if (Array.isArray(mappedChild)) {\n    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) {\n      return c;\n    });\n  } else if (mappedChild != null) {\n    if (isValidElement(mappedChild)) {\n      mappedChild = cloneAndReplaceKey(mappedChild, // Keep both the (mapped) and old keys if they differ, just as\n      // traverseAllChildren used to do for objects as children\n      keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);\n    }\n\n    result.push(mappedChild);\n  }\n}\n\nfunction mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {\n  var escapedPrefix = '';\n\n  if (prefix != null) {\n    escapedPrefix = escapeUserProvidedKey(prefix) + '/';\n  }\n\n  var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);\n  traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);\n  releaseTraverseContext(traverseContext);\n}\n/**\n * Maps children that are typically specified as `props.children`.\n *\n * See https://reactjs.org/docs/react-api.html#reactchildrenmap\n *\n * The provided mapFunction(child, key, index) will be called for each\n * leaf child.\n *\n * @param {?*} children Children tree container.\n * @param {function(*, int)} func The map function.\n * @param {*} context Context for mapFunction.\n * @return {object} Object containing the ordered map of results.\n */\n\n\nfunction mapChildren(children, func, context) {\n  if (children == null) {\n    return children;\n  }\n\n  var result = [];\n  mapIntoWithKeyPrefixInternal(children, result, null, func, context);\n  return result;\n}\n/**\n * Count the number of children that are typically specified as\n * `props.children`.\n *\n * See https://reactjs.org/docs/react-api.html#reactchildrencount\n *\n * @param {?*} children Children tree container.\n * @return {number} The number of children.\n */\n\n\nfunction countChildren(children) {\n  return traverseAllChildren(children, function () {\n    return null;\n  }, null);\n}\n/**\n * Flatten a children object (typically specified as `props.children`) and\n * return an array with appropriately re-keyed children.\n *\n * See https://reactjs.org/docs/react-api.html#reactchildrentoarray\n */\n\n\nfunction toArray(children) {\n  var result = [];\n  mapIntoWithKeyPrefixInternal(children, result, null, function (child) {\n    return child;\n  });\n  return result;\n}\n/**\n * Returns the first child in a collection of children and verifies that there\n * is only one child in the collection.\n *\n * See https://reactjs.org/docs/react-api.html#reactchildrenonly\n *\n * The current implementation of this function assumes that a single child gets\n * passed without a wrapper, but the purpose of this helper function is to\n * abstract away the particular structure of children.\n *\n * @param {?object} children Child collection structure.\n * @return {ReactElement} The first and only `ReactElement` contained in the\n * structure.\n */\n\n\nfunction onlyChild(children) {\n  if (!isValidElement(children)) {\n    {\n      throw Error( \"React.Children.only expected to receive a single React element child.\" );\n    }\n  }\n\n  return children;\n}\n\nfunction createContext(defaultValue, calculateChangedBits) {\n  if (calculateChangedBits === undefined) {\n    calculateChangedBits = null;\n  } else {\n    {\n      if (calculateChangedBits !== null && typeof calculateChangedBits !== 'function') {\n        error('createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits);\n      }\n    }\n  }\n\n  var context = {\n    $$typeof: REACT_CONTEXT_TYPE,\n    _calculateChangedBits: calculateChangedBits,\n    // As a workaround to support multiple concurrent renderers, we categorize\n    // some renderers as primary and others as secondary. We only expect\n    // there to be two concurrent renderers at most: React Native (primary) and\n    // Fabric (secondary); React DOM (primary) and React ART (secondary).\n    // Secondary renderers store their context values on separate fields.\n    _currentValue: defaultValue,\n    _currentValue2: defaultValue,\n    // Used to track how many concurrent renderers this context currently\n    // supports within in a single renderer. Such as parallel server rendering.\n    _threadCount: 0,\n    // These are circular\n    Provider: null,\n    Consumer: null\n  };\n  context.Provider = {\n    $$typeof: REACT_PROVIDER_TYPE,\n    _context: context\n  };\n  var hasWarnedAboutUsingNestedContextConsumers = false;\n  var hasWarnedAboutUsingConsumerProvider = false;\n\n  {\n    // A separate object, but proxies back to the original context object for\n    // backwards compatibility. It has a different $$typeof, so we can properly\n    // warn for the incorrect usage of Context as a Consumer.\n    var Consumer = {\n      $$typeof: REACT_CONTEXT_TYPE,\n      _context: context,\n      _calculateChangedBits: context._calculateChangedBits\n    }; // $FlowFixMe: Flow complains about not setting a value, which is intentional here\n\n    Object.defineProperties(Consumer, {\n      Provider: {\n        get: function () {\n          if (!hasWarnedAboutUsingConsumerProvider) {\n            hasWarnedAboutUsingConsumerProvider = true;\n\n            error('Rendering <Context.Consumer.Provider> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Provider> instead?');\n          }\n\n          return context.Provider;\n        },\n        set: function (_Provider) {\n          context.Provider = _Provider;\n        }\n      },\n      _currentValue: {\n        get: function () {\n          return context._currentValue;\n        },\n        set: function (_currentValue) {\n          context._currentValue = _currentValue;\n        }\n      },\n      _currentValue2: {\n        get: function () {\n          return context._currentValue2;\n        },\n        set: function (_currentValue2) {\n          context._currentValue2 = _currentValue2;\n        }\n      },\n      _threadCount: {\n        get: function () {\n          return context._threadCount;\n        },\n        set: function (_threadCount) {\n          context._threadCount = _threadCount;\n        }\n      },\n      Consumer: {\n        get: function () {\n          if (!hasWarnedAboutUsingNestedContextConsumers) {\n            hasWarnedAboutUsingNestedContextConsumers = true;\n\n            error('Rendering <Context.Consumer.Consumer> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Consumer> instead?');\n          }\n\n          return context.Consumer;\n        }\n      }\n    }); // $FlowFixMe: Flow complains about missing properties because it doesn't understand defineProperty\n\n    context.Consumer = Consumer;\n  }\n\n  {\n    context._currentRenderer = null;\n    context._currentRenderer2 = null;\n  }\n\n  return context;\n}\n\nfunction lazy(ctor) {\n  var lazyType = {\n    $$typeof: REACT_LAZY_TYPE,\n    _ctor: ctor,\n    // React uses these fields to store the result.\n    _status: -1,\n    _result: null\n  };\n\n  {\n    // In production, this would just set it on the object.\n    var defaultProps;\n    var propTypes;\n    Object.defineProperties(lazyType, {\n      defaultProps: {\n        configurable: true,\n        get: function () {\n          return defaultProps;\n        },\n        set: function (newDefaultProps) {\n          error('React.lazy(...): It is not supported to assign `defaultProps` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');\n\n          defaultProps = newDefaultProps; // Match production behavior more closely:\n\n          Object.defineProperty(lazyType, 'defaultProps', {\n            enumerable: true\n          });\n        }\n      },\n      propTypes: {\n        configurable: true,\n        get: function () {\n          return propTypes;\n        },\n        set: function (newPropTypes) {\n          error('React.lazy(...): It is not supported to assign `propTypes` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');\n\n          propTypes = newPropTypes; // Match production behavior more closely:\n\n          Object.defineProperty(lazyType, 'propTypes', {\n            enumerable: true\n          });\n        }\n      }\n    });\n  }\n\n  return lazyType;\n}\n\nfunction forwardRef(render) {\n  {\n    if (render != null && render.$$typeof === REACT_MEMO_TYPE) {\n      error('forwardRef requires a render function but received a `memo` ' + 'component. Instead of forwardRef(memo(...)), use ' + 'memo(forwardRef(...)).');\n    } else if (typeof render !== 'function') {\n      error('forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render);\n    } else {\n      if (render.length !== 0 && render.length !== 2) {\n        error('forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.');\n      }\n    }\n\n    if (render != null) {\n      if (render.defaultProps != null || render.propTypes != null) {\n        error('forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?');\n      }\n    }\n  }\n\n  return {\n    $$typeof: REACT_FORWARD_REF_TYPE,\n    render: render\n  };\n}\n\nfunction isValidElementType(type) {\n  return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.\n  type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_RESPONDER_TYPE || type.$$typeof === REACT_SCOPE_TYPE || type.$$typeof === REACT_BLOCK_TYPE);\n}\n\nfunction memo(type, compare) {\n  {\n    if (!isValidElementType(type)) {\n      error('memo: The first argument must be a component. Instead ' + 'received: %s', type === null ? 'null' : typeof type);\n    }\n  }\n\n  return {\n    $$typeof: REACT_MEMO_TYPE,\n    type: type,\n    compare: compare === undefined ? null : compare\n  };\n}\n\nfunction resolveDispatcher() {\n  var dispatcher = ReactCurrentDispatcher.current;\n\n  if (!(dispatcher !== null)) {\n    {\n      throw Error( \"Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:\\n1. You might have mismatching versions of React and the renderer (such as React DOM)\\n2. You might be breaking the Rules of Hooks\\n3. You might have more than one copy of React in the same app\\nSee https://fb.me/react-invalid-hook-call for tips about how to debug and fix this problem.\" );\n    }\n  }\n\n  return dispatcher;\n}\n\nfunction useContext(Context, unstable_observedBits) {\n  var dispatcher = resolveDispatcher();\n\n  {\n    if (unstable_observedBits !== undefined) {\n      error('useContext() second argument is reserved for future ' + 'use in React. Passing it is not supported. ' + 'You passed: %s.%s', unstable_observedBits, typeof unstable_observedBits === 'number' && Array.isArray(arguments[2]) ? '\\n\\nDid you call array.map(useContext)? ' + 'Calling Hooks inside a loop is not supported. ' + 'Learn more at https://fb.me/rules-of-hooks' : '');\n    } // TODO: add a more generic warning for invalid values.\n\n\n    if (Context._context !== undefined) {\n      var realContext = Context._context; // Don't deduplicate because this legitimately causes bugs\n      // and nobody should be using this in existing code.\n\n      if (realContext.Consumer === Context) {\n        error('Calling useContext(Context.Consumer) is not supported, may cause bugs, and will be ' + 'removed in a future major release. Did you mean to call useContext(Context) instead?');\n      } else if (realContext.Provider === Context) {\n        error('Calling useContext(Context.Provider) is not supported. ' + 'Did you mean to call useContext(Context) instead?');\n      }\n    }\n  }\n\n  return dispatcher.useContext(Context, unstable_observedBits);\n}\nfunction useState(initialState) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useState(initialState);\n}\nfunction useReducer(reducer, initialArg, init) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useReducer(reducer, initialArg, init);\n}\nfunction useRef(initialValue) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useRef(initialValue);\n}\nfunction useEffect(create, deps) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useEffect(create, deps);\n}\nfunction useLayoutEffect(create, deps) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useLayoutEffect(create, deps);\n}\nfunction useCallback(callback, deps) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useCallback(callback, deps);\n}\nfunction useMemo(create, deps) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useMemo(create, deps);\n}\nfunction useImperativeHandle(ref, create, deps) {\n  var dispatcher = resolveDispatcher();\n  return dispatcher.useImperativeHandle(ref, create, deps);\n}\nfunction useDebugValue(value, formatterFn) {\n  {\n    var dispatcher = resolveDispatcher();\n    return dispatcher.useDebugValue(value, formatterFn);\n  }\n}\n\nvar propTypesMisspellWarningShown;\n\n{\n  propTypesMisspellWarningShown = false;\n}\n\nfunction getDeclarationErrorAddendum() {\n  if (ReactCurrentOwner.current) {\n    var name = getComponentName(ReactCurrentOwner.current.type);\n\n    if (name) {\n      return '\\n\\nCheck the render method of `' + name + '`.';\n    }\n  }\n\n  return '';\n}\n\nfunction getSourceInfoErrorAddendum(source) {\n  if (source !== undefined) {\n    var fileName = source.fileName.replace(/^.*[\\\\\\/]/, '');\n    var lineNumber = source.lineNumber;\n    return '\\n\\nCheck your code at ' + fileName + ':' + lineNumber + '.';\n  }\n\n  return '';\n}\n\nfunction getSourceInfoErrorAddendumForProps(elementProps) {\n  if (elementProps !== null && elementProps !== undefined) {\n    return getSourceInfoErrorAddendum(elementProps.__source);\n  }\n\n  return '';\n}\n/**\n * Warn if there's no key explicitly set on dynamic arrays of children or\n * object keys are not valid. This allows us to keep track of children between\n * updates.\n */\n\n\nvar ownerHasKeyUseWarning = {};\n\nfunction getCurrentComponentErrorInfo(parentType) {\n  var info = getDeclarationErrorAddendum();\n\n  if (!info) {\n    var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;\n\n    if (parentName) {\n      info = \"\\n\\nCheck the top-level render call using <\" + parentName + \">.\";\n    }\n  }\n\n  return info;\n}\n/**\n * Warn if the element doesn't have an explicit key assigned to it.\n * This element is in an array. The array could grow and shrink or be\n * reordered. All children that haven't already been validated are required to\n * have a \"key\" property assigned to it. Error statuses are cached so a warning\n * will only be shown once.\n *\n * @internal\n * @param {ReactElement} element Element that requires a key.\n * @param {*} parentType element's parent's type.\n */\n\n\nfunction validateExplicitKey(element, parentType) {\n  if (!element._store || element._store.validated || element.key != null) {\n    return;\n  }\n\n  element._store.validated = true;\n  var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);\n\n  if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {\n    return;\n  }\n\n  ownerHasKeyUseWarning[currentComponentErrorInfo] = true; // Usually the current owner is the offender, but if it accepts children as a\n  // property, it may be the creator of the child that's responsible for\n  // assigning it a key.\n\n  var childOwner = '';\n\n  if (element && element._owner && element._owner !== ReactCurrentOwner.current) {\n    // Give the component that originally created this child.\n    childOwner = \" It was passed a child from \" + getComponentName(element._owner.type) + \".\";\n  }\n\n  setCurrentlyValidatingElement(element);\n\n  {\n    error('Each child in a list should have a unique \"key\" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.', currentComponentErrorInfo, childOwner);\n  }\n\n  setCurrentlyValidatingElement(null);\n}\n/**\n * Ensure that every element either is passed in a static location, in an\n * array with an explicit keys property defined, or in an object literal\n * with valid key property.\n *\n * @internal\n * @param {ReactNode} node Statically passed child of any type.\n * @param {*} parentType node's parent's type.\n */\n\n\nfunction validateChildKeys(node, parentType) {\n  if (typeof node !== 'object') {\n    return;\n  }\n\n  if (Array.isArray(node)) {\n    for (var i = 0; i < node.length; i++) {\n      var child = node[i];\n\n      if (isValidElement(child)) {\n        validateExplicitKey(child, parentType);\n      }\n    }\n  } else if (isValidElement(node)) {\n    // This element was passed in a valid location.\n    if (node._store) {\n      node._store.validated = true;\n    }\n  } else if (node) {\n    var iteratorFn = getIteratorFn(node);\n\n    if (typeof iteratorFn === 'function') {\n      // Entry iterators used to provide implicit keys,\n      // but now we print a separate warning for them later.\n      if (iteratorFn !== node.entries) {\n        var iterator = iteratorFn.call(node);\n        var step;\n\n        while (!(step = iterator.next()).done) {\n          if (isValidElement(step.value)) {\n            validateExplicitKey(step.value, parentType);\n          }\n        }\n      }\n    }\n  }\n}\n/**\n * Given an element, validate that its props follow the propTypes definition,\n * provided by the type.\n *\n * @param {ReactElement} element\n */\n\n\nfunction validatePropTypes(element) {\n  {\n    var type = element.type;\n\n    if (type === null || type === undefined || typeof type === 'string') {\n      return;\n    }\n\n    var name = getComponentName(type);\n    var propTypes;\n\n    if (typeof type === 'function') {\n      propTypes = type.propTypes;\n    } else if (typeof type === 'object' && (type.$$typeof === REACT_FORWARD_REF_TYPE || // Note: Memo only checks outer props here.\n    // Inner props are checked in the reconciler.\n    type.$$typeof === REACT_MEMO_TYPE)) {\n      propTypes = type.propTypes;\n    } else {\n      return;\n    }\n\n    if (propTypes) {\n      setCurrentlyValidatingElement(element);\n      checkPropTypes(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);\n      setCurrentlyValidatingElement(null);\n    } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {\n      propTypesMisspellWarningShown = true;\n\n      error('Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');\n    }\n\n    if (typeof type.getDefaultProps === 'function' && !type.getDefaultProps.isReactClassApproved) {\n      error('getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');\n    }\n  }\n}\n/**\n * Given a fragment, validate that it can only be provided with fragment props\n * @param {ReactElement} fragment\n */\n\n\nfunction validateFragmentProps(fragment) {\n  {\n    setCurrentlyValidatingElement(fragment);\n    var keys = Object.keys(fragment.props);\n\n    for (var i = 0; i < keys.length; i++) {\n      var key = keys[i];\n\n      if (key !== 'children' && key !== 'key') {\n        error('Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.', key);\n\n        break;\n      }\n    }\n\n    if (fragment.ref !== null) {\n      error('Invalid attribute `ref` supplied to `React.Fragment`.');\n    }\n\n    setCurrentlyValidatingElement(null);\n  }\n}\nfunction createElementWithValidation(type, props, children) {\n  var validType = isValidElementType(type); // We warn in this case but don't throw. We expect the element creation to\n  // succeed and there will likely be errors in render.\n\n  if (!validType) {\n    var info = '';\n\n    if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {\n      info += ' You likely forgot to export your component from the file ' + \"it's defined in, or you might have mixed up default and named imports.\";\n    }\n\n    var sourceInfo = getSourceInfoErrorAddendumForProps(props);\n\n    if (sourceInfo) {\n      info += sourceInfo;\n    } else {\n      info += getDeclarationErrorAddendum();\n    }\n\n    var typeString;\n\n    if (type === null) {\n      typeString = 'null';\n    } else if (Array.isArray(type)) {\n      typeString = 'array';\n    } else if (type !== undefined && type.$$typeof === REACT_ELEMENT_TYPE) {\n      typeString = \"<\" + (getComponentName(type.type) || 'Unknown') + \" />\";\n      info = ' Did you accidentally export a JSX literal instead of a component?';\n    } else {\n      typeString = typeof type;\n    }\n\n    {\n      error('React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);\n    }\n  }\n\n  var element = createElement.apply(this, arguments); // The result can be nullish if a mock or a custom function is used.\n  // TODO: Drop this when these are no longer allowed as the type argument.\n\n  if (element == null) {\n    return element;\n  } // Skip key warning if the type isn't valid since our key validation logic\n  // doesn't expect a non-string/function type and can throw confusing errors.\n  // We don't want exception behavior to differ between dev and prod.\n  // (Rendering will throw with a helpful message and as soon as the type is\n  // fixed, the key warnings will appear.)\n\n\n  if (validType) {\n    for (var i = 2; i < arguments.length; i++) {\n      validateChildKeys(arguments[i], type);\n    }\n  }\n\n  if (type === REACT_FRAGMENT_TYPE) {\n    validateFragmentProps(element);\n  } else {\n    validatePropTypes(element);\n  }\n\n  return element;\n}\nvar didWarnAboutDeprecatedCreateFactory = false;\nfunction createFactoryWithValidation(type) {\n  var validatedFactory = createElementWithValidation.bind(null, type);\n  validatedFactory.type = type;\n\n  {\n    if (!didWarnAboutDeprecatedCreateFactory) {\n      didWarnAboutDeprecatedCreateFactory = true;\n\n      warn('React.createFactory() is deprecated and will be removed in ' + 'a future major release. Consider using JSX ' + 'or use React.createElement() directly instead.');\n    } // Legacy hook: remove it\n\n\n    Object.defineProperty(validatedFactory, 'type', {\n      enumerable: false,\n      get: function () {\n        warn('Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');\n\n        Object.defineProperty(this, 'type', {\n          value: type\n        });\n        return type;\n      }\n    });\n  }\n\n  return validatedFactory;\n}\nfunction cloneElementWithValidation(element, props, children) {\n  var newElement = cloneElement.apply(this, arguments);\n\n  for (var i = 2; i < arguments.length; i++) {\n    validateChildKeys(arguments[i], newElement.type);\n  }\n\n  validatePropTypes(newElement);\n  return newElement;\n}\n\n{\n\n  try {\n    var frozenObject = Object.freeze({});\n    var testMap = new Map([[frozenObject, null]]);\n    var testSet = new Set([frozenObject]); // This is necessary for Rollup to not consider these unused.\n    // https://github.com/rollup/rollup/issues/1771\n    // TODO: we can remove these if Rollup fixes the bug.\n\n    testMap.set(0, 0);\n    testSet.add(0);\n  } catch (e) {\n  }\n}\n\nvar createElement$1 =  createElementWithValidation ;\nvar cloneElement$1 =  cloneElementWithValidation ;\nvar createFactory =  createFactoryWithValidation ;\nvar Children = {\n  map: mapChildren,\n  forEach: forEachChildren,\n  count: countChildren,\n  toArray: toArray,\n  only: onlyChild\n};\n\nexports.Children = Children;\nexports.Component = Component;\nexports.Fragment = REACT_FRAGMENT_TYPE;\nexports.Profiler = REACT_PROFILER_TYPE;\nexports.PureComponent = PureComponent;\nexports.StrictMode = REACT_STRICT_MODE_TYPE;\nexports.Suspense = REACT_SUSPENSE_TYPE;\nexports.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED = ReactSharedInternals;\nexports.cloneElement = cloneElement$1;\nexports.createContext = createContext;\nexports.createElement = createElement$1;\nexports.createFactory = createFactory;\nexports.createRef = createRef;\nexports.forwardRef = forwardRef;\nexports.isValidElement = isValidElement;\nexports.lazy = lazy;\nexports.memo = memo;\nexports.useCallback = useCallback;\nexports.useContext = useContext;\nexports.useDebugValue = useDebugValue;\nexports.useEffect = useEffect;\nexports.useImperativeHandle = useImperativeHandle;\nexports.useLayoutEffect = useLayoutEffect;\nexports.useMemo = useMemo;\nexports.useReducer = useReducer;\nexports.useRef = useRef;\nexports.useState = useState;\nexports.version = ReactVersion;\n  })();\n}\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/react/cjs/react.development.js?");

/***/ }),

/***/ "./node_modules/react/index.js":
/*!*************************************!*\
  !*** ./node_modules/react/index.js ***!
  \*************************************/
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
eval("\n\nif (false) {} else {\n  module.exports = __webpack_require__(/*! ./cjs/react.development.js */ \"./node_modules/react/cjs/react.development.js\");\n}\n\n\n//# sourceURL=webpack://ReactAce/./node_modules/react/index.js?");

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