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(ed