overleaf/services/web/frontend/js/vendor/ace-1.4.5/ext-prompt.js

ace.define("ace/ext/menu_tools/get_editor_keyboard_shortcuts",[], function(require, exports, module) {
"use strict";
var keys = require("../../lib/keys");
module.exports.getEditorKeybordShortcuts = function(editor) {
    var KEY_MODS = keys.KEY_MODS;
    var keybindings = [];
    var commandMap = {};
    editor.keyBinding.$handlers.forEach(function(handler) {
        var ckb = handler.commandKeyBinding;
        for (var i in ckb) {
            var key = i.replace(/(^|-)\w/g, function(x) { return x.toUpperCase(); });
            var commands = ckb[i];
            if (!Array.isArray(commands))
                commands = [commands];
            commands.forEach(function(command) {
                if (typeof command != "string")
                    command  = command.name;
                if (commandMap[command]) {
                    commandMap[command].key += "|" + key;
                } else {
                    commandMap[command] = {key: key, command: command};
                    keybindings.push(commandMap[command]);
                }         
            });
        }
    });
    return keybindings;
};

});

ace.define("ace/autocomplete/popup",[], function(require, exports, module) {
"use strict";

var Renderer = require("../virtual_renderer").VirtualRenderer;
var Editor = require("../editor").Editor;
var Range = require("../range").Range;
var event = require("../lib/event");
var lang = require("../lib/lang");
var dom = require("../lib/dom");

var $singleLineEditor = function(el) {
    var renderer = new Renderer(el);

    renderer.$maxLines = 4;

    var editor = new Editor(renderer);

    editor.setHighlightActiveLine(false);
    editor.setShowPrintMargin(false);
    editor.renderer.setShowGutter(false);
    editor.renderer.setHighlightGutterLine(false);

    editor.$mouseHandler.$focusTimeout = 0;
    editor.$highlightTagPending = true;

    return editor;
};

var AcePopup = function(parentNode) {
    var el = dom.createElement("div");
    var popup = new $singleLineEditor(el);

    if (parentNode)
        parentNode.appendChild(el);
    el.style.display = "none";
    popup.renderer.content.style.cursor = "default";
    popup.renderer.setStyle("ace_autocomplete");

    popup.setOption("displayIndentGuides", false);
    popup.setOption("dragDelay", 150);

    var noop = function(){};

    popup.focus = noop;
    popup.$isFocused = true;

    popup.renderer.$cursorLayer.restartTimer = noop;
    popup.renderer.$cursorLayer.element.style.opacity = 0;

    popup.renderer.$maxLines = 8;
    popup.renderer.$keepTextAreaAtCursor = false;

    popup.setHighlightActiveLine(false);
    popup.session.highlight("");
    popup.session.$searchHighlight.clazz = "ace_highlight-marker";

    popup.on("mousedown", function(e) {
        var pos = e.getDocumentPosition();
        popup.selection.moveToPosition(pos);
        selectionMarker.start.row = selectionMarker.end.row = pos.row;
        e.stop();
    });

    var lastMouseEvent;
    var hoverMarker = new Range(-1,0,-1,Infinity);
    var selectionMarker = new Range(-1,0,-1,Infinity);
    selectionMarker.id = popup.session.addMarker(selectionMarker, "ace_active-line", "fullLine");
    popup.setSelectOnHover = function(val) {
        if (!val) {
            hoverMarker.id = popup.session.addMarker(hoverMarker, "ace_line-hover", "fullLine");
        } else if (hoverMarker.id) {
            popup.session.removeMarker(hoverMarker.id);
            hoverMarker.id = null;
        }
    };
    popup.setSelectOnHover(false);
    popup.on("mousemove", function(e) {
        if (!lastMouseEvent) {
            lastMouseEvent = e;
            return;
        }
        if (lastMouseEvent.x == e.x && lastMouseEvent.y == e.y) {
            return;
        }
        lastMouseEvent = e;
        lastMouseEvent.scrollTop = popup.renderer.scrollTop;
        var row = lastMouseEvent.getDocumentPosition().row;
        if (hoverMarker.start.row != row) {
            if (!hoverMarker.id)
                popup.setRow(row);
            setHoverMarker(row);
        }
    });
    popup.renderer.on("beforeRender", function() {
        if (lastMouseEvent && hoverMarker.start.row != -1) {
            lastMouseEvent.$pos = null;
            var row = lastMouseEvent.getDocumentPosition().row;
            if (!hoverMarker.id)
                popup.setRow(row);
            setHoverMarker(row, true);
        }
    });
    popup.renderer.on("afterRender", function() {
        var row = popup.getRow();
        var t = popup.renderer.$textLayer;
        var selected = t.element.childNodes[row - t.config.firstRow];
        if (selected !== t.selectedNode && t.selectedNode)
            dom.removeCssClass(t.selectedNode, "ace_selected");
        t.selectedNode = selected;
        if (selected)
            dom.addCssClass(selected, "ace_selected");
    });
    var hideHoverMarker = function() { setHoverMarker(-1); };
    var setHoverMarker = function(row, suppressRedraw) {
        if (row !== hoverMarker.start.row) {
            hoverMarker.start.row = hoverMarker.end.row = row;
            if (!suppressRedraw)
                popup.session._emit("changeBackMarker");
            popup._emit("changeHoverMarker");
        }
    };
    popup.getHoveredRow = function() {
        return hoverMarker.start.row;
    };

    event.addListener(popup.container, "mouseout", hideHoverMarker);
    popup.on("hide", hideHoverMarker);
    popup.on("changeSelection", hideHoverMarker);

    popup.session.doc.getLength = function() {
        return popup.data.length;
    };
    popup.session.doc.getLine = function(i) {
        var data = popup.data[i];
        if (typeof data == "string")
            return data;
        return (data && data.value) || "";
    };

    var bgTokenizer = popup.session.bgTokenizer;
    bgTokenizer.$tokenizeRow = function(row) {
        var data = popup.data[row];
        var tokens = [];
        if (!data)
            return tokens;
        if (typeof data == "string")
            data = {value: data};
        var caption = data.caption || data.value || data.name;

        function addToken(value, className) {
            value && tokens.push({
                type: (data.className || "") + (className || ""), 
                value: value
            });
        }
        
        var lower = caption.toLowerCase();
        var filterText = (popup.filterText || "").toLowerCase();
        var lastIndex = 0;
        var lastI = 0;
        for (var i = 0; i <= filterText.length; i++) {
            if (i != lastI && (data.matchMask & (1 << i) || i == filterText.length)) {
                var sub = filterText.slice(lastI, i);
                lastI = i;
                var index = lower.indexOf(sub, lastIndex);
                if (index == -1) continue;
                addToken(caption.slice(lastIndex, index), "");
                lastIndex = index + sub.length;
                addToken(caption.slice(index, lastIndex), "completion-highlight");
            }
        }
        addToken(caption.slice(lastIndex, caption.length), "");
        
        if (data.meta)
            tokens.push({type: "completion-meta", value: data.meta});
        if (data.message)
            tokens.push({type: "completion-message", value: data.message});

        return tokens;
    };
    bgTokenizer.$updateOnChange = noop;
    bgTokenizer.start = noop;

    popup.session.$computeWidth = function() {
        return this.screenWidth = 0;
    };
    popup.isOpen = false;
    popup.isTopdown = false;
    popup.autoSelect = true;
    popup.filterText = "";

    popup.data = [];
    popup.setData = function(list, filterText) {
        popup.filterText = filterText || "";
        popup.setValue(lang.stringRepeat("\n", list.length), -1);
        popup.data = list || [];
        popup.setRow(0);
    };
    popup.getData = function(row) {
        return popup.data[row];
    };

    popup.getRow = function() {
        return selectionMarker.start.row;
    };
    popup.setRow = function(line) {
        line = Math.max(this.autoSelect ? 0 : -1, Math.min(this.data.length, line));
        if (selectionMarker.start.row != line) {
            popup.selection.clearSelection();
            selectionMarker.start.row = selectionMarker.end.row = line || 0;
            popup.session._emit("changeBackMarker");
            popup.moveCursorTo(line || 0, 0);
            if (popup.isOpen)
                popup._signal("select");
        }
    };

    popup.on("changeSelection", function() {
        if (popup.isOpen)
            popup.setRow(popup.selection.lead.row);
        popup.renderer.scrollCursorIntoView();
    });

    popup.hide = function() {
        this.container.style.display = "none";
        this._signal("hide");
        popup.isOpen = false;
    };
    popup.show = function(pos, lineHeight, topdownOnly) {
        var el = this.container;
        var screenHeight = window.innerHeight;
        var screenWidth = window.innerWidth;
        var renderer = this.renderer;
        var maxH = renderer.$maxLines * lineHeight * 1.4;
        var top = pos.top + this.$borderSize;
        var allowTopdown = top > screenHeight / 2 && !topdownOnly;
        if (allowTopdown && top + lineHeight + maxH > screenHeight) {
            renderer.$maxPixelHeight = top - 2 * this.$borderSize;
            el.style.top = "";
            el.style.bottom = screenHeight - top + "px";
            popup.isTopdown = false;
        } else {
            top += lineHeight;
            renderer.$maxPixelHeight = screenHeight - top - 0.2 * lineHeight;
            el.style.top = top + "px";
            el.style.bottom = "";
            popup.isTopdown = true;
        }

        el.style.display = "";

        var left = pos.left;
        if (left + el.offsetWidth > screenWidth)
            left = screenWidth - el.offsetWidth;

        el.style.left = left + "px";

        this._signal("show");
        lastMouseEvent = null;
        popup.isOpen = true;
    };

    popup.goTo = function(where) {
        var row = this.getRow();
        var max = this.session.getLength() - 1;

        switch(where) {
            case "up": row = row <= 0 ? max : row - 1; break;
            case "down": row = row >= max ? -1 : row + 1; break;
            case "start": row = 0; break;
            case "end": row = max; break;
        }

        this.setRow(row);
    };


    popup.getTextLeftOffset = function() {
        return this.$borderSize + this.renderer.$padding + this.$imageSize;
    };

    popup.$imageSize = 0;
    popup.$borderSize = 1;

    return popup;
};

dom.importCssString("\
.ace_editor.ace_autocomplete .ace_marker-layer .ace_active-line {\
    background-color: #CAD6FA;\
    z-index: 1;\
}\
.ace_dark.ace_editor.ace_autocomplete .ace_marker-layer .ace_active-line {\
    background-color: #3a674e;\
}\
.ace_editor.ace_autocomplete .ace_line-hover {\
    border: 1px solid #abbffe;\
    margin-top: -1px;\
    background: rgba(233,233,253,0.4);\
    position: absolute;\
    z-index: 2;\
}\
.ace_dark.ace_editor.ace_autocomplete .ace_line-hover {\
    border: 1px solid rgba(109, 150, 13, 0.8);\
    background: rgba(58, 103, 78, 0.62);\
}\
.ace_completion-meta {\
    opacity: 0.5;\
    margin: 0.9em;\
}\
.ace_completion-message {\
    color: blue;\
}\
.ace_editor.ace_autocomplete .ace_completion-highlight{\
    color: #2d69c7;\
}\
.ace_dark.ace_editor.ace_autocomplete .ace_completion-highlight{\
    color: #93ca12;\
}\
.ace_editor.ace_autocomplete {\
    width: 300px;\
    z-index: 200000;\
    border: 1px lightgray solid;\
    position: fixed;\
    box-shadow: 2px 3px 5px rgba(0,0,0,.2);\
    line-height: 1.4;\
    background: #fefefe;\
    color: #111;\
}\
.ace_dark.ace_editor.ace_autocomplete {\
    border: 1px #484747 solid;\
    box-shadow: 2px 3px 5px rgba(0, 0, 0, 0.51);\
    line-height: 1.4;\
    background: #25282c;\
    color: #c1c1c1;\
}", "autocompletion.css");

exports.AcePopup = AcePopup;
exports.$singleLineEditor = $singleLineEditor;
});

ace.define("ace/autocomplete/util",[], function(require, exports, module) {
"use strict";

exports.parForEach = function(array, fn, callback) {
    var completed = 0;
    var arLength = array.length;
    if (arLength === 0)
        callback();
    for (var i = 0; i < arLength; i++) {
        fn(array[i], function(result, err) {
            completed++;
            if (completed === arLength)
                callback(result, err);
        });
    }
};

var ID_REGEX = /[a-zA-Z_0-9\$\-\u00A2-\uFFFF]/;

exports.retrievePrecedingIdentifier = function(text, pos, regex) {
    regex = regex || ID_REGEX;
    var buf = [];
    for (var i = pos-1; i >= 0; i--) {
        if (regex.test(text[i]))
            buf.push(text[i]);
        else
            break;
    }
    return buf.reverse().join("");
};

exports.retrieveFollowingIdentifier = function(text, pos, regex) {
    regex = regex || ID_REGEX;
    var buf = [];
    for (var i = pos; i < text.length; i++) {
        if (regex.test(text[i]))
            buf.push(text[i]);
        else
            break;
    }
    return buf;
};

exports.getCompletionPrefix = function (editor) {
    var pos = editor.getCursorPosition();
    var line = editor.session.getLine(pos.row);
    var prefix;
    editor.completers.forEach(function(completer) {
        if (completer.identifierRegexps) {
            completer.identifierRegexps.forEach(function(identifierRegex) {
                if (!prefix && identifierRegex)
                    prefix = this.retrievePrecedingIdentifier(line, pos.column, identifierRegex);
            }.bind(this));
        }
    }.bind(this));
    return prefix || this.retrievePrecedingIdentifier(line, pos.column);
};

});

ace.define("ace/snippets",[], function(require, exports, module) {
"use strict";
var oop = require("./lib/oop");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var lang = require("./lib/lang");
var Range = require("./range").Range;
var Anchor = require("./anchor").Anchor;
var HashHandler = require("./keyboard/hash_handler").HashHandler;
var Tokenizer = require("./tokenizer").Tokenizer;
var comparePoints = Range.comparePoints;

var SnippetManager = function() {
    this.snippetMap = {};
    this.snippetNameMap = {};
};

(function() {
    oop.implement(this, EventEmitter);
    
    this.getTokenizer = function() {
        function TabstopToken(str, _, stack) {
            str = str.substr(1);
            if (/^\d+$/.test(str) && !stack.inFormatString)
                return [{tabstopId: parseInt(str, 10)}];
            return [{text: str}];
        }
        function escape(ch) {
            return "(?:[^\\\\" + ch + "]|\\\\.)";
        }
        SnippetManager.$tokenizer = new Tokenizer({
            start: [
                {regex: /:/, onMatch: function(val, state, stack) {
                    if (stack.length && stack[0].expectIf) {
                        stack[0].expectIf = false;
                        stack[0].elseBranch = stack[0];
                        return [stack[0]];
                    }
                    return ":";
                }},
                {regex: /\\./, onMatch: function(val, state, stack) {
                    var ch = val[1];
                    if (ch == "}" && stack.length) {
                        val = ch;
                    }else if ("`$\\".indexOf(ch) != -1) {
                        val = ch;
                    } else if (stack.inFormatString) {
                        if (ch == "n")
                            val = "\n";
                        else if (ch == "t")
                            val = "\n";
                        else if ("ulULE".indexOf(ch) != -1) {
                            val = {changeCase: ch, local: ch > "a"};
                        }
                    }

                    return [val];
                }},
                {regex: /}/, onMatch: function(val, state, stack) {
                    return [stack.length ? stack.shift() : val];
                }},
                {regex: /\$(?:\d+|\w+)/, onMatch: TabstopToken},
                {regex: /\$\{[\dA-Z_a-z]+/, onMatch: function(str, state, stack) {
                    var t = TabstopToken(str.substr(1), state, stack);
                    stack.unshift(t[0]);
                    return t;
                }, next: "snippetVar"},
                {regex: /\n/, token: "newline", merge: false}
            ],
            snippetVar: [
                {regex: "\\|" + escape("\\|") + "*\\|", onMatch: function(val, state, stack) {
                    stack[0].choices = val.slice(1, -1).split(",");
                }, next: "start"},
                {regex: "/(" + escape("/") + "+)/(?:(" + escape("/") + "*)/)(\\w*):?",
                 onMatch: function(val, state, stack) {
                    var ts = stack[0];
                    ts.fmtString = val;

                    val = this.splitRegex.exec(val);
                    ts.guard = val[1];
                    ts.fmt = val[2];
                    ts.flag = val[3];
                    return "";
                }, next: "start"},
                {regex: "`" + escape("`") + "*`", onMatch: function(val, state, stack) {
                    stack[0].code = val.splice(1, -1);
                    return "";
                }, next: "start"},
                {regex: "\\?", onMatch: function(val, state, stack) {
                    if (stack[0])
                        stack[0].expectIf = true;
                }, next: "start"},
                {regex: "([^:}\\\\]|\\\\.)*:?", token: "", next: "start"}
            ],
            formatString: [
                {regex: "/(" + escape("/") + "+)/", token: "regex"},
                {regex: "", onMatch: function(val, state, stack) {
                    stack.inFormatString = true;
                }, next: "start"}
            ]
        });
        SnippetManager.prototype.getTokenizer = function() {
            return SnippetManager.$tokenizer;
        };
        return SnippetManager.$tokenizer;
    };

    this.tokenizeTmSnippet = function(str, startState) {
        return this.getTokenizer().getLineTokens(str, startState).tokens.map(function(x) {
            return x.value || x;
        });
    };

    this.$getDefaultValue = function(editor, name) {
        if (/^[A-Z]\d+$/.test(name)) {
            var i = name.substr(1);
            return (this.variables[name[0] + "__"] || {})[i];
        }
        if (/^\d+$/.test(name)) {
            return (this.variables.__ || {})[name];
        }
        name = name.replace(/^TM_/, "");

        if (!editor)
            return;
        var s = editor.session;
        switch(name) {
            case "CURRENT_WORD":
                var r = s.getWordRange();
            case "SELECTION":
            case "SELECTED_TEXT":
                return s.getTextRange(r);
            case "CURRENT_LINE":
                return s.getLine(editor.getCursorPosition().row);
            case "PREV_LINE": // not possible in textmate
                return s.getLine(editor.getCursorPosition().row - 1);
            case "LINE_INDEX":
                return editor.getCursorPosition().column;
            case "LINE_NUMBER":
                return editor.getCursorPosition().row + 1;
            case "SOFT_TABS":
                return s.getUseSoftTabs() ? "YES" : "NO";
            case "TAB_SIZE":
                return s.getTabSize();
            case "FILENAME":
            case "FILEPATH":
                return "";
            case "FULLNAME":
                return "Ace";
        }
    };
    this.variables = {};
    this.getVariableValue = function(editor, varName) {
        if (this.variables.hasOwnProperty(varName))
            return this.variables[varName](editor, varName) || "";
        return this.$getDefaultValue(editor, varName) || "";
    };
    this.tmStrFormat = function(str, ch, editor) {
        var flag = ch.flag || "";
        var re = ch.guard;
        re = new RegExp(re, flag.replace(/[^gi]/, ""));
        var fmtTokens = this.tokenizeTmSnippet(ch.fmt, "formatString");
        var _self = this;
        var formatted = str.replace(re, function() {
            _self.variables.__ = arguments;
            var fmtParts = _self.resolveVariables(fmtTokens, editor);
            var gChangeCase = "E";
            for (var i  = 0; i < fmtParts.length; i++) {
                var ch = fmtParts[i];
                if (typeof ch == "object") {
                    fmtParts[i] = "";
                    if (ch.changeCase && ch.local) {
                        var next = fmtParts[i + 1];
                        if (next && typeof next == "string") {
                            if (ch.changeCase == "u")
                                fmtParts[i] = next[0].toUpperCase();
                            else
                                fmtParts[i] = next[0].toLowerCase();
                            fmtParts[i + 1] = next.substr(1);
                        }
                    } else if (ch.changeCase) {
                        gChangeCase = ch.changeCase;
                    }
                } else if (gChangeCase == "U") {
                    fmtParts[i] = ch.toUpperCase();
                } else if (gChangeCase == "L") {
                    fmtParts[i] = ch.toLowerCase();
                }
            }
            return fmtParts.join("");
        });
        this.variables.__ = null;
        return formatted;
    };

    this.resolveVariables = function(snippet, editor) {
        var result = [];
        for (var i = 0; i < snippet.length; i++) {
            var ch = snippet[i];
            if (typeof ch == "string") {
                result.push(ch);
            } else if (typeof ch != "object") {
                continue;
            } else if (ch.skip) {
                gotoNext(ch);
            } else if (ch.processed < i) {
                continue;
            } else if (ch.text) {
                var value = this.getVariableValue(editor, ch.text);
                if (value && ch.fmtString)
                    value = this.tmStrFormat(value, ch);
                ch.processed = i;
                if (ch.expectIf == null) {
                    if (value) {
                        result.push(value);
                        gotoNext(ch);
                    }
                } else {
                    if (value) {
                        ch.skip = ch.elseBranch;
                    } else
                        gotoNext(ch);
                }
            } else if (ch.tabstopId != null) {
                result.push(ch);
            } else if (ch.changeCase != null) {
                result.push(ch);
            }
        }
        function gotoNext(ch) {
            var i1 = snippet.indexOf(ch, i + 1);
            if (i1 != -1)
                i = i1;
        }
        return result;
    };

    this.insertSnippetForSelection = function(editor, snippetText) {
        var cursor = editor.getCursorPosition();
        var line = editor.session.getLine(cursor.row);
        var tabString = editor.session.getTabString();
        var indentString = line.match(/^\s*/)[0];
        
        if (cursor.column < indentString.length)
            indentString = indentString.slice(0, cursor.column);

        snippetText = snippetText.replace(/\r/g, "");
        var tokens = this.tokenizeTmSnippet(snippetText);
        tokens = this.resolveVariables(tokens, editor);
        tokens = tokens.map(function(x) {
            if (x == "\n")
                return x + indentString;
            if (typeof x == "string")
                return x.replace(/\t/g, tabString);
            return x;
        });
        var tabstops = [];
        tokens.forEach(function(p, i) {
            if (typeof p != "object")
                return;
            var id = p.tabstopId;
            var ts = tabstops[id];
            if (!ts) {
                ts = tabstops[id] = [];
                ts.index = id;
                ts.value = "";
            }
            if (ts.indexOf(p) !== -1)
                return;
            ts.push(p);
            var i1 = tokens.indexOf(p, i + 1);
            if (i1 === -1)
                return;

            var value = tokens.slice(i + 1, i1);
            var isNested = value.some(function(t) {return typeof t === "object";});
            if (isNested && !ts.value) {
                ts.value = value;
            } else if (value.length && (!ts.value || typeof ts.value !== "string")) {
                ts.value = value.join("");
            }
        });
        tabstops.forEach(function(ts) {ts.length = 0;});
        var expanding = {};
        function copyValue(val) {
            var copy = [];
            for (var i = 0; i < val.length; i++) {
                var p = val[i];
                if (typeof p == "object") {
                    if (expanding[p.tabstopId])
                        continue;
                    var j = val.lastIndexOf(p, i - 1);
                    p = copy[j] || {tabstopId: p.tabstopId};
                }
                copy[i] = p;
            }
            return copy;
        }
        for (var i = 0; i < tokens.length; i++) {
            var p = tokens[i];
            if (typeof p != "object")
                continue;
            var id = p.tabstopId;
            var i1 = tokens.indexOf(p, i + 1);
            if (expanding[id]) {
                if (expanding[id] === p)
                    expanding[id] = null;
                continue;
            }
            
            var ts = tabstops[id];
            var arg = typeof ts.value == "string" ? [ts.value] : copyValue(ts.value);
            arg.unshift(i + 1, Math.max(0, i1 - i));
            arg.push(p);
            expanding[id] = p;
            tokens.splice.apply(tokens, arg);

            if (ts.indexOf(p) === -1)
                ts.push(p);
        }
        var row = 0, column = 0;
        var text = "";
        tokens.forEach(function(t) {
            if (typeof t === "string") {
                var lines = t.split("\n");
                if (lines.length > 1){
                    column = lines[lines.length - 1].length;
                    row += lines.length - 1;
                } else
                    column += t.length;
                text += t;
            } else {
                if (!t.start)
                    t.start = {row: row, column: column};
                else
                    t.end = {row: row, column: column};
            }
        });
        var range = editor.getSelectionRange();
        var end = editor.session.replace(range, text);

        var tabstopManager = new TabstopManager(editor);
        var selectionId = editor.inVirtualSelectionMode && editor.selection.index;
        tabstopManager.addTabstops(tabstops, range.start, end, selectionId);
    };
    
    this.insertSnippet = function(editor, snippetText) {
        var self = this;
        if (editor.inVirtualSelectionMode)
            return self.insertSnippetForSelection(editor, snippetText);
        
        editor.forEachSelection(function() {
            self.insertSnippetForSelection(editor, snippetText);
        }, null, {keepOrder: true});
        
        if (editor.tabstopManager)
            editor.tabstopManager.tabNext();
    };

    this.$getScope = function(editor) {
        var scope = editor.session.$mode.$id || "";
        scope = scope.split("/").pop();
        if (scope === "html" || scope === "php") {
            if (scope === "php" && !editor.session.$mode.inlinePhp) 
                scope = "html";
            var c = editor.getCursorPosition();
            var state = editor.session.getState(c.row);
            if (typeof state === "object") {
                state = state[0];
            }
            if (state.substring) {
                if (state.substring(0, 3) == "js-")
                    scope = "javascript";
                else if (state.substring(0, 4) == "css-")
                    scope = "css";
                else if (state.substring(0, 4) == "php-")
                    scope = "php";
            }
        }
        
        return scope;
    };

    this.getActiveScopes = function(editor) {
        var scope = this.$getScope(editor);
        var scopes = [scope];
        var snippetMap = this.snippetMap;
        if (snippetMap[scope] && snippetMap[scope].includeScopes) {
            scopes.push.apply(scopes, snippetMap[scope].includeScopes);
        }
        scopes.push("_");
        return scopes;
    };

    this.expandWithTab = function(editor, options) {
        var self = this;
        var result = editor.forEachSelection(function() {
            return self.expandSnippetForSelection(editor, options);
        }, null, {keepOrder: true});
        if (result && editor.tabstopManager)
            editor.tabstopManager.tabNext();
        return result;
    };
    
    this.expandSnippetForSelection = function(editor, options) {
        var cursor = editor.getCursorPosition();
        var line = editor.session.getLine(cursor.row);
        var before = line.substring(0, cursor.column);
        var after = line.substr(cursor.column);

        var snippetMap = this.snippetMap;
        var snippet;
        this.getActiveScopes(editor).some(function(scope) {
            var snippets = snippetMap[scope];
            if (snippets)
                snippet = this.findMatchingSnippet(snippets, before, after);
            return !!snippet;
        }, this);
        if (!snippet)
            return false;
        if (options && options.dryRun)
            return true;
        editor.session.doc.removeInLine(cursor.row,
            cursor.column - snippet.replaceBefore.length,
            cursor.column + snippet.replaceAfter.length
        );

        this.variables.M__ = snippet.matchBefore;
        this.variables.T__ = snippet.matchAfter;
        this.insertSnippetForSelection(editor, snippet.content);

        this.variables.M__ = this.variables.T__ = null;
        return true;
    };

    this.findMatchingSnippet = function(snippetList, before, after) {
        for (var i = snippetList.length; i--;) {
            var s = snippetList[i];
            if (s.startRe && !s.startRe.test(before))
                continue;
            if (s.endRe && !s.endRe.test(after))
                continue;
            if (!s.startRe && !s.endRe)
                continue;

            s.matchBefore = s.startRe ? s.startRe.exec(before) : [""];
            s.matchAfter = s.endRe ? s.endRe.exec(after) : [""];
            s.replaceBefore = s.triggerRe ? s.triggerRe.exec(before)[0] : "";
            s.replaceAfter = s.endTriggerRe ? s.endTriggerRe.exec(after)[0] : "";
            return s;
        }
    };

    this.snippetMap = {};
    this.snippetNameMap = {};
    this.register = function(snippets, scope) {
        var snippetMap = this.snippetMap;
        var snippetNameMap = this.snippetNameMap;
        var self = this;
        
        if (!snippets) 
            snippets = [];
        
        function wrapRegexp(src) {
            if (src && !/^\^?\(.*\)\$?$|^\\b$/.test(src))
                src = "(?:" + src + ")";

            return src || "";
        }
        function guardedRegexp(re, guard, opening) {
            re = wrapRegexp(re);
            guard = wrapRegexp(guard);
            if (opening) {
                re = guard + re;
                if (re && re[re.length - 1] != "$")
                    re = re + "$";
            } else {
                re = re + guard;
                if (re && re[0] != "^")
                    re = "^" + re;
            }
            return new RegExp(re);
        }

        function addSnippet(s) {
            if (!s.scope)
                s.scope = scope || "_";
            scope = s.scope;
            if (!snippetMap[scope]) {
                snippetMap[scope] = [];
                snippetNameMap[scope] = {};
            }

            var map = snippetNameMap[scope];
            if (s.name) {
                var old = map[s.name];
                if (old)
                    self.unregister(old);
                map[s.name] = s;
            }
            snippetMap[scope].push(s);

            if (s.tabTrigger && !s.trigger) {
                if (!s.guard && /^\w/.test(s.tabTrigger))
                    s.guard = "\\b";
                s.trigger = lang.escapeRegExp(s.tabTrigger);
            }
            
            if (!s.trigger && !s.guard && !s.endTrigger && !s.endGuard)
                return;
            
            s.startRe = guardedRegexp(s.trigger, s.guard, true);
            s.triggerRe = new RegExp(s.trigger);

            s.endRe = guardedRegexp(s.endTrigger, s.endGuard, true);
            s.endTriggerRe = new RegExp(s.endTrigger);
        }

        if (snippets && snippets.content)
            addSnippet(snippets);
        else if (Array.isArray(snippets))
            snippets.forEach(addSnippet);
        
        this._signal("registerSnippets", {scope: scope});
    };
    this.unregister = function(snippets, scope) {
        var snippetMap = this.snippetMap;
        var snippetNameMap = this.snippetNameMap;

        function removeSnippet(s) {
            var nameMap = snippetNameMap[s.scope||scope];
            if (nameMap && nameMap[s.name]) {
                delete nameMap[s.name];
                var map = snippetMap[s.scope||scope];
                var i = map && map.indexOf(s);
                if (i >= 0)
                    map.splice(i, 1);
            }
        }
        if (snippets.content)
            removeSnippet(snippets);
        else if (Array.isArray(snippets))
            snippets.forEach(removeSnippet);
    };
    this.parseSnippetFile = function(str) {
        str = str.replace(/\r/g, "");
        var list = [], snippet = {};
        var re = /^#.*|^({[\s\S]*})\s*$|^(\S+) (.*)$|^((?:\n*\t.*)+)/gm;
        var m;
        while (m = re.exec(str)) {
            if (m[1]) {
                try {
                    snippet = JSON.parse(m[1]);
                    list.push(snippet);
                } catch (e) {}
            } if (m[4]) {
                snippet.content = m[4].replace(/^\t/gm, "");
                list.push(snippet);
                snippet = {};
            } else {
                var key = m[2], val = m[3];
                if (key == "regex") {
                    var guardRe = /\/((?:[^\/\\]|\\.)*)|$/g;
                    snippet.guard = guardRe.exec(val)[1];
                    snippet.trigger = guardRe.exec(val)[1];
                    snippet.endTrigger = guardRe.exec(val)[1];
                    snippet.endGuard = guardRe.exec(val)[1];
                } else if (key == "snippet") {
                    snippet.tabTrigger = val.match(/^\S*/)[0];
                    if (!snippet.name)
                        snippet.name = val;
                } else {
                    snippet[key] = val;
                }
            }
        }
        return list;
    };
    this.getSnippetByName = function(name, editor) {
        var snippetMap = this.snippetNameMap;
        var snippet;
        this.getActiveScopes(editor).some(function(scope) {
            var snippets = snippetMap[scope];
            if (snippets)
                snippet = snippets[name];
            return !!snippet;
        }, this);
        return snippet;
    };

}).call(SnippetManager.prototype);


var TabstopManager = function(editor) {
    if (editor.tabstopManager)
        return editor.tabstopManager;
    editor.tabstopManager = this;
    this.$onChange = this.onChange.bind(this);
    this.$onChangeSelection = lang.delayedCall(this.onChangeSelection.bind(this)).schedule;
    this.$onChangeSession = this.onChangeSession.bind(this);
    this.$onAfterExec = this.onAfterExec.bind(this);
    this.attach(editor);
};
(function() {
    this.attach = function(editor) {
        this.index = 0;
        this.ranges = [];
        this.tabstops = [];
        this.$openTabstops = null;
        this.selectedTabstop = null;

        this.editor = editor;
        this.editor.on("change", this.$onChange);
        this.editor.on("changeSelection", this.$onChangeSelection);
        this.editor.on("changeSession", this.$onChangeSession);
        this.editor.commands.on("afterExec", this.$onAfterExec);
        this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
    };
    this.detach = function() {
        this.tabstops.forEach(this.removeTabstopMarkers, this);
        this.ranges = null;
        this.tabstops = null;
        this.selectedTabstop = null;
        this.editor.removeListener("change", this.$onChange);
        this.editor.removeListener("changeSelection", this.$onChangeSelection);
        this.editor.removeListener("changeSession", this.$onChangeSession);
        this.editor.commands.removeListener("afterExec", this.$onAfterExec);
        this.editor.keyBinding.removeKeyboardHandler(this.keyboardHandler);
        this.editor.tabstopManager = null;
        this.editor = null;
    };

    this.onChange = function(delta) {
        var changeRange = delta;
        var isRemove = delta.action[0] == "r";
        var start = delta.start;
        var end = delta.end;
        var startRow = start.row;
        var endRow = end.row;
        var lineDif = endRow - startRow;
        var colDiff = end.column - start.column;

        if (isRemove) {
            lineDif = -lineDif;
            colDiff = -colDiff;
        }
        if (!this.$inChange && isRemove) {
            var ts = this.selectedTabstop;
            var changedOutside = ts && !ts.some(function(r) {
                return comparePoints(r.start, start) <= 0 && comparePoints(r.end, end) >= 0;
            });
            if (changedOutside)
                return this.detach();
        }
        var ranges = this.ranges;
        for (var i = 0; i < ranges.length; i++) {
            var r = ranges[i];
            if (r.end.row < start.row)
                continue;

            if (isRemove && comparePoints(start, r.start) < 0 && comparePoints(end, r.end) > 0) {
                this.removeRange(r);
                i--;
                continue;
            }

            if (r.start.row == startRow && r.start.column > start.column)
                r.start.column += colDiff;
            if (r.end.row == startRow && r.end.column >= start.column)
                r.end.column += colDiff;
            if (r.start.row >= startRow)
                r.start.row += lineDif;
            if (r.end.row >= startRow)
                r.end.row += lineDif;

            if (comparePoints(r.start, r.end) > 0)
                this.removeRange(r);
        }
        if (!ranges.length)
            this.detach();
    };
    this.updateLinkedFields = function() {
        var ts = this.selectedTabstop;
        if (!ts || !ts.hasLinkedRanges)
            return;
        this.$inChange = true;
        var session = this.editor.session;
        var text = session.getTextRange(ts.firstNonLinked);
        for (var i = ts.length; i--;) {
            var range = ts[i];
            if (!range.linked)
                continue;
            var fmt = exports.snippetManager.tmStrFormat(text, range.original);
            session.replace(range, fmt);
        }
        this.$inChange = false;
    };
    this.onAfterExec = function(e) {
        if (e.command && !e.command.readOnly)
            this.updateLinkedFields();
    };
    this.onChangeSelection = function() {
        if (!this.editor)
            return;
        var lead = this.editor.selection.lead;
        var anchor = this.editor.selection.anchor;
        var isEmpty = this.editor.selection.isEmpty();
        for (var i = this.ranges.length; i--;) {
            if (this.ranges[i].linked)
                continue;
            var containsLead = this.ranges[i].contains(lead.row, lead.column);
            var containsAnchor = isEmpty || this.ranges[i].contains(anchor.row, anchor.column);
            if (containsLead && containsAnchor)
                return;
        }
        this.detach();
    };
    this.onChangeSession = function() {
        this.detach();
    };
    this.tabNext = function(dir) {
        var max = this.tabstops.length;
        var index = this.index + (dir || 1);
        index = Math.min(Math.max(index, 1), max);
        if (index == max)
            index = 0;
        this.selectTabstop(index);
        if (index === 0)
            this.detach();
    };
    this.selectTabstop = function(index) {
        this.$openTabstops = null;
        var ts = this.tabstops[this.index];
        if (ts)
            this.addTabstopMarkers(ts);
        this.index = index;
        ts = this.tabstops[this.index];
        if (!ts || !ts.length)
            return;
        
        this.selectedTabstop = ts;
        if (!this.editor.inVirtualSelectionMode) {        
            var sel = this.editor.multiSelect;
            sel.toSingleRange(ts.firstNonLinked.clone());
            for (var i = ts.length; i--;) {
                if (ts.hasLinkedRanges && ts[i].linked)
                    continue;
                sel.addRange(ts[i].clone(), true);
            }
            if (sel.ranges[0])
                sel.addRange(sel.ranges[0].clone());
        } else {
            this.editor.selection.setRange(ts.firstNonLinked);
        }
        
        this.editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
    };
    this.addTabstops = function(tabstops, start, end) {
        if (!this.$openTabstops)
            this.$openTabstops = [];
        if (!tabstops[0]) {
            var p = Range.fromPoints(end, end);
            moveRelative(p.start, start);
            moveRelative(p.end, start);
            tabstops[0] = [p];
            tabstops[0].index = 0;
        }

        var i = this.index;
        var arg = [i + 1, 0];
        var ranges = this.ranges;
        tabstops.forEach(function(ts, index) {
            var dest = this.$openTabstops[index] || ts;
                
            for (var i = ts.length; i--;) {
                var p = ts[i];
                var range = Range.fromPoints(p.start, p.end || p.start);
                movePoint(range.start, start);
                movePoint(range.end, start);
                range.original = p;
                range.tabstop = dest;
                ranges.push(range);
                if (dest != ts)
                    dest.unshift(range);
                else
                    dest[i] = range;
                if (p.fmtString) {
                    range.linked = true;
                    dest.hasLinkedRanges = true;
                } else if (!dest.firstNonLinked)
                    dest.firstNonLinked = range;
            }
            if (!dest.firstNonLinked)
                dest.hasLinkedRanges = false;
            if (dest === ts) {
                arg.push(dest);
                this.$openTabstops[index] = dest;
            }
            this.addTabstopMarkers(dest);
        }, this);
        
        if (arg.length > 2) {
            if (this.tabstops.length)
                arg.push(arg.splice(2, 1)[0]);
            this.tabstops.splice.apply(this.tabstops, arg);
        }
    };

    this.addTabstopMarkers = function(ts) {
        var session = this.editor.session;
        ts.forEach(function(range) {
            if  (!range.markerId)
                range.markerId = session.addMarker(range, "ace_snippet-marker", "text");
        });
    };
    this.removeTabstopMarkers = function(ts) {
        var session = this.editor.session;
        ts.forEach(function(range) {
            session.removeMarker(range.markerId);
            range.markerId = null;
        });
    };
    this.removeRange = function(range) {
        var i = range.tabstop.indexOf(range);
        range.tabstop.splice(i, 1);
        i = this.ranges.indexOf(range);
        this.ranges.splice(i, 1);
        this.editor.session.removeMarker(range.markerId);
        if (!range.tabstop.length) {
            i = this.tabstops.indexOf(range.tabstop);
            if (i != -1)
                this.tabstops.splice(i, 1);
            if (!this.tabstops.length)
                this.detach();
        }
    };

    this.keyboardHandler = new HashHandler();
    this.keyboardHandler.bindKeys({
        "Tab": function(ed) {
            if (exports.snippetManager && exports.snippetManager.expandWithTab(ed)) {
                return;
            }

            ed.tabstopManager.tabNext(1);
        },
        "Shift-Tab": function(ed) {
            ed.tabstopManager.tabNext(-1);
        },
        "Esc": function(ed) {
            ed.tabstopManager.detach();
        },
        "Return": function(ed) {
            return false;
        }
    });
}).call(TabstopManager.prototype);



var changeTracker = {};
changeTracker.onChange = Anchor.prototype.onChange;
changeTracker.setPosition = function(row, column) {
    this.pos.row = row;
    this.pos.column = column;
};
changeTracker.update = function(pos, delta, $insertRight) {
    this.$insertRight = $insertRight;
    this.pos = pos; 
    this.onChange(delta);
};

var movePoint = function(point, diff) {
    if (point.row == 0)
        point.column += diff.column;
    point.row += diff.row;
};

var moveRelative = function(point, start) {
    if (point.row == start.row)
        point.column -= start.column;
    point.row -= start.row;
};


require("./lib/dom").importCssString("\
.ace_snippet-marker {\
    -moz-box-sizing: border-box;\
    box-sizing: border-box;\
    background: rgba(194, 193, 208, 0.09);\
    border: 1px dotted rgba(211, 208, 235, 0.62);\
    position: absolute;\
}");

exports.snippetManager = new SnippetManager();


var Editor = require("./editor").Editor;
(function() {
    this.insertSnippet = function(content, options) {
        return exports.snippetManager.insertSnippet(this, content, options);
    };
    this.expandSnippet = function(options) {
        return exports.snippetManager.expandWithTab(this, options);
    };
}).call(Editor.prototype);

});

ace.define("ace/autocomplete",[], function(require, exports, module) {
"use strict";

var HashHandler = require("./keyboard/hash_handler").HashHandler;
var AcePopup = require("./autocomplete/popup").AcePopup;
var util = require("./autocomplete/util");
var event = require("./lib/event");
var lang = require("./lib/lang");
var dom = require("./lib/dom");
var snippetManager = require("./snippets").snippetManager;
var config = require("./config");

var Autocomplete = function() {
    this.autoInsert = false;
    this.autoSelect = true;
    this.exactMatch = false;
    this.gatherCompletionsId = 0;
    this.keyboardHandler = new HashHandler();
    this.keyboardHandler.bindKeys(this.commands);

    this.blurListener = this.blurListener.bind(this);
    this.changeListener = this.changeListener.bind(this);
    this.mousedownListener = this.mousedownListener.bind(this);
    this.mousewheelListener = this.mousewheelListener.bind(this);

    this.changeTimer = lang.delayedCall(function() {
        this.updateCompletions(true);
    }.bind(this));

    this.tooltipTimer = lang.delayedCall(this.updateDocTooltip.bind(this), 50);
};

(function() {

    this.$init = function() {
        this.popup = new AcePopup(document.body || document.documentElement);
        this.popup.on("click", function(e) {
            this.insertMatch();
            e.stop();
        }.bind(this));
        this.popup.focus = this.editor.focus.bind(this.editor);
        this.popup.on("show", this.tooltipTimer.bind(null, null));
        this.popup.on("select", this.tooltipTimer.bind(null, null));
        this.popup.on("changeHoverMarker", this.tooltipTimer.bind(null, null));
        return this.popup;
    };

    this.getPopup = function() {
        return this.popup || this.$init();
    };

    this.openPopup = function(editor, prefix, keepPopupPosition) {
        if (!this.popup)
            this.$init();

        this.popup.autoSelect = this.autoSelect;

        this.popup.setData(this.completions.filtered, this.completions.filterText);

        editor.keyBinding.addKeyboardHandler(this.keyboardHandler);
        
        var renderer = editor.renderer;
        this.popup.setRow(this.autoSelect ? 0 : -1);
        if (!keepPopupPosition) {
            this.popup.setTheme(editor.getTheme());
            this.popup.setFontSize(editor.getFontSize());

            var lineHeight = renderer.layerConfig.lineHeight;

            var pos = renderer.$cursorLayer.getPixelPosition(this.base, true);
            pos.left -= this.popup.getTextLeftOffset();

            var rect = editor.container.getBoundingClientRect();
            pos.top += rect.top - renderer.layerConfig.offset;
            pos.left += rect.left - editor.renderer.scrollLeft;
            pos.left += renderer.gutterWidth;

            this.popup.show(pos, lineHeight);
        } else if (keepPopupPosition && !prefix) {
            this.detach();
        }
    };

    this.detach = function() {
        this.editor.keyBinding.removeKeyboardHandler(this.keyboardHandler);
        this.editor.off("changeSelection", this.changeListener);
        this.editor.off("blur", this.blurListener);
        this.editor.off("mousedown", this.mousedownListener);
        this.editor.off("mousewheel", this.mousewheelListener);
        this.changeTimer.cancel();
        this.hideDocTooltip();

        this.gatherCompletionsId += 1;
        if (this.popup && this.popup.isOpen)
            this.popup.hide();

        if (this.base)
            this.base.detach();
        this.activated = false;
        this.completions = this.base = null;
    };

    this.changeListener = function(e) {
        var cursor = this.editor.selection.lead;
        if (cursor.row != this.base.row || cursor.column < this.base.column) {
            this.detach();
        }
        if (this.activated)
            this.changeTimer.schedule();
        else
            this.detach();
    };

    this.blurListener = function(e) {
        var el = document.activeElement;
        var text = this.editor.textInput.getElement();
        var fromTooltip = e.relatedTarget && this.tooltipNode && this.tooltipNode.contains(e.relatedTarget);
        var container = this.popup && this.popup.container;
        if (el != text && el.parentNode != container && !fromTooltip
            && el != this.tooltipNode && e.relatedTarget != text
        ) {
            this.detach();
        }
    };

    this.mousedownListener = function(e) {
        this.detach();
    };

    this.mousewheelListener = function(e) {
        this.detach();
    };

    this.goTo = function(where) {
        this.popup.goTo(where);
    };

    this.insertMatch = function(data, options) {
        if (!data)
            data = this.popup.getData(this.popup.getRow());
        if (!data)
            return false;

        if (data.completer && data.completer.insertMatch) {
            data.completer.insertMatch(this.editor, data);
        } else {
            if (this.completions.filterText) {
                var ranges = this.editor.selection.getAllRanges();
                for (var i = 0, range; range = ranges[i]; i++) {
                    range.start.column -= this.completions.filterText.length;
                    this.editor.session.remove(range);
                }
            }
            if (data.snippet)
                snippetManager.insertSnippet(this.editor, data.snippet);
            else
                this.editor.execCommand("insertstring", data.value || data);
        }
        this.detach();
    };


    this.commands = {
        "Up": function(editor) { editor.completer.goTo("up"); },
        "Down": function(editor) { editor.completer.goTo("down"); },
        "Ctrl-Up|Ctrl-Home": function(editor) { editor.completer.goTo("start"); },
        "Ctrl-Down|Ctrl-End": function(editor) { editor.completer.goTo("end"); },

        "Esc": function(editor) { editor.completer.detach(); },
        "Return": function(editor) { return editor.completer.insertMatch(); },
        "Shift-Return": function(editor) { editor.completer.insertMatch(null, {deleteSuffix: true}); },
        "Tab": function(editor) {
            var result = editor.completer.insertMatch();
            if (!result && !editor.tabstopManager)
                editor.completer.goTo("down");
            else
                return result;
        },

        "PageUp": function(editor) { editor.completer.popup.gotoPageUp(); },
        "PageDown": function(editor) { editor.completer.popup.gotoPageDown(); }
    };

    this.gatherCompletions = function(editor, callback) {
        var session = editor.getSession();
        var pos = editor.getCursorPosition();

        var prefix = util.getCompletionPrefix(editor);

        this.base = session.doc.createAnchor(pos.row, pos.column - prefix.length);
        this.base.$insertRight = true;

        var matches = [];
        var total = editor.completers.length;
        editor.completers.forEach(function(completer, i) {
            completer.getCompletions(editor, session, pos, prefix, function(err, results) {
                if (!err && results)
                    matches = matches.concat(results);
                callback(null, {
                    prefix: util.getCompletionPrefix(editor),
                    matches: matches,
                    finished: (--total === 0)
                });
            });
        });
        return true;
    };

    this.showPopup = function(editor) {
        if (this.editor)
            this.detach();

        this.activated = true;

        this.editor = editor;
        if (editor.completer != this) {
            if (editor.completer)
                editor.completer.detach();
            editor.completer = this;
        }

        editor.on("changeSelection", this.changeListener);
        editor.on("blur", this.blurListener);
        editor.on("mousedown", this.mousedownListener);
        editor.on("mousewheel", this.mousewheelListener);

        this.updateCompletions();
    };

    this.updateCompletions = function(keepPopupPosition) {
        if (keepPopupPosition && this.base && this.completions) {
            var pos = this.editor.getCursorPosition();
            var prefix = this.editor.session.getTextRange({start: this.base, end: pos});
            if (prefix == this.completions.filterText)
                return;
            this.completions.setFilter(prefix);
            if (!this.completions.filtered.length)
                return this.detach();
            if (this.completions.filtered.length == 1
            && this.completions.filtered[0].value == prefix
            && !this.completions.filtered[0].snippet)
                return this.detach();
            this.openPopup(this.editor, prefix, keepPopupPosition);
            return;
        }
        var _id = this.gatherCompletionsId;
        this.gatherCompletions(this.editor, function(err, results) {
            var detachIfFinished = function() {
                if (!results.finished) return;
                return this.detach();
            }.bind(this);

            var prefix = results.prefix;
            var matches = results && results.matches;

            if (!matches || !matches.length)
                return detachIfFinished();
            if (prefix.indexOf(results.prefix) !== 0 || _id != this.gatherCompletionsId)
                return;

            this.completions = new FilteredList(matches);

            if (this.exactMatch)
                this.completions.exactMatch = true;

            this.completions.setFilter(prefix);
            var filtered = this.completions.filtered;
            if (!filtered.length)
                return detachIfFinished();
            if (filtered.length == 1 && filtered[0].value == prefix && !filtered[0].snippet)
                return detachIfFinished();
            if (this.autoInsert && filtered.length == 1 && results.finished)
                return this.insertMatch(filtered[0]);

            this.openPopup(this.editor, prefix, keepPopupPosition);
        }.bind(this));
    };

    this.cancelContextMenu = function() {
        this.editor.$mouseHandler.cancelContextMenu();
    };

    this.updateDocTooltip = function() {
        var popup = this.popup;
        var all = popup.data;
        var selected = all && (all[popup.getHoveredRow()] || all[popup.getRow()]);
        var doc = null;
        if (!selected || !this.editor || !this.popup.isOpen)
            return this.hideDocTooltip();
        this.editor.completers.some(function(completer) {
            if (completer.getDocTooltip)
                doc = completer.getDocTooltip(selected);
            return doc;
        });
        if (!doc)
            doc = selected;

        if (typeof doc == "string")
            doc = {docText: doc};
        if (!doc || !(doc.docHTML || doc.docText))
            return this.hideDocTooltip();
        this.showDocTooltip(doc);
    };

    this.showDocTooltip = function(item) {
        if (!this.tooltipNode) {
            this.tooltipNode = dom.createElement("div");
            this.tooltipNode.className = "ace_tooltip ace_doc-tooltip";
            this.tooltipNode.style.margin = 0;
            this.tooltipNode.style.pointerEvents = "auto";
            this.tooltipNode.tabIndex = -1;
            this.tooltipNode.onblur = this.blurListener.bind(this);
            this.tooltipNode.onclick = this.onTooltipClick.bind(this);
        }

        var tooltipNode = this.tooltipNode;
        if (item.docHTML) {
            tooltipNode.innerHTML = item.docHTML;
        } else if (item.docText) {
            tooltipNode.textContent = item.docText;
        }

        if (!tooltipNode.parentNode)
            document.body.appendChild(tooltipNode);
        var popup = this.popup;
        var rect = popup.container.getBoundingClientRect();
        tooltipNode.style.top = popup.container.style.top;
        tooltipNode.style.bottom = popup.container.style.bottom;

        tooltipNode.style.display = "block";
        if (window.innerWidth - rect.right < 320) {
            if (rect.left < 320) {
                if(popup.isTopdown) {
                    tooltipNode.style.top = rect.bottom + "px";
                    tooltipNode.style.left = rect.left + "px";
                    tooltipNode.style.right = "";
                    tooltipNode.style.bottom = "";
                } else {
                    tooltipNode.style.top = popup.container.offsetTop - tooltipNode.offsetHeight + "px";
                    tooltipNode.style.left = rect.left + "px";
                    tooltipNode.style.right = "";
                    tooltipNode.style.bottom = "";
                }
            } else {
                tooltipNode.style.right = window.innerWidth - rect.left + "px";
                tooltipNode.style.left = "";
            }
        } else {
            tooltipNode.style.left = (rect.right + 1) + "px";
            tooltipNode.style.right = "";
        }
    };

    this.hideDocTooltip = function() {
        this.tooltipTimer.cancel();
        if (!this.tooltipNode) return;
        var el = this.tooltipNode;
        if (!this.editor.isFocused() && document.activeElement == el)
            this.editor.focus();
        this.tooltipNode = null;
        if (el.parentNode)
            el.parentNode.removeChild(el);
    };
    
    this.onTooltipClick = function(e) {
        var a = e.target;
        while (a && a != this.tooltipNode) {
            if (a.nodeName == "A" && a.href) {
                a.rel = "noreferrer";
                a.target = "_blank";
                break;
            }
            a = a.parentNode;
        }
    };

    this.destroy = function() {
        this.detach();
        this.popup && this.popup.destroy();
        var el = this.popup.container;
        if (el && el.parentNode)
            el.parentNode.removeChild(el);
        if (this.editor && this.editor.completer == this)
            this.editor.completer == null;
        this.popup = null;
    };

}).call(Autocomplete.prototype);


Autocomplete.for = function(editor) {
    if (editor.completer) {
        return editor.completer;
    }
    if (config.get("sharedPopups")) {
        if (!Autocomplete.$shared)
            Autocomplete.$sharedInstance = new Autocomplete();
        editor.completer = Autocomplete.$sharedInstance;
    } else {
        editor.completer = new Autocomplete();
        editor.once("destroy", function(e, editor) {
            editor.completer.destroy();
        });
    }
    return editor.completer;
};

Autocomplete.startCommand = {
    name: "startAutocomplete",
    exec: function(editor) {
        var completer = Autocomplete.for(editor);
        completer.autoInsert = false;
        completer.autoSelect = true;
        completer.showPopup(editor);
        completer.cancelContextMenu();
    },
    bindKey: "Ctrl-Space|Ctrl-Shift-Space|Alt-Space"
};

var FilteredList = function(array, filterText) {
    this.all = array;
    this.filtered = array;
    this.filterText = filterText || "";
    this.exactMatch = false;
};
(function(){
    this.setFilter = function(str) {
        if (str.length > this.filterText && str.lastIndexOf(this.filterText, 0) === 0)
            var matches = this.filtered;
        else
            var matches = this.all;

        this.filterText = str;
        matches = this.filterCompletions(matches, this.filterText);
        matches = matches.sort(function(a, b) {
            return b.exactMatch - a.exactMatch || b.$score - a.$score 
                || (a.caption || a.value) < (b.caption || b.value);
        });
        var prev = null;
        matches = matches.filter(function(item){
            var caption = item.snippet || item.caption || item.value;
            if (caption === prev) return false;
            prev = caption;
            return true;
        });

        this.filtered = matches;
    };
    this.filterCompletions = function(items, needle) {
        var results = [];
        var upper = needle.toUpperCase();
        var lower = needle.toLowerCase();
        loop: for (var i = 0, item; item = items[i]; i++) {
            var caption = item.value || item.caption || item.snippet;
            if (!caption) continue;
            var lastIndex = -1;
            var matchMask = 0;
            var penalty = 0;
            var index, distance;

            if (this.exactMatch) {
                if (needle !== caption.substr(0, needle.length))
                    continue loop;
            } else {
                var fullMatchIndex = caption.toLowerCase().indexOf(lower);
                if (fullMatchIndex > -1) {
                    penalty = fullMatchIndex;
                } else {
                    for (var j = 0; j < needle.length; j++) {
                        var i1 = caption.indexOf(lower[j], lastIndex + 1);
                        var i2 = caption.indexOf(upper[j], lastIndex + 1);
                        index = (i1 >= 0) ? ((i2 < 0 || i1 < i2) ? i1 : i2) : i2;
                        if (index < 0)
                            continue loop;
                        distance = index - lastIndex - 1;
                        if (distance > 0) {
                            if (lastIndex === -1)
                                penalty += 10;
                            penalty += distance;
                            matchMask = matchMask | (1 << j);
                        }
                        lastIndex = index;
                    }
                }
            }
            item.matchMask = matchMask;
            item.exactMatch = penalty ? 0 : 1;
            item.$score = (item.score || 0) - penalty;
            results.push(item);
        }
        return results;
    };
}).call(FilteredList.prototype);

exports.Autocomplete = Autocomplete;
exports.FilteredList = FilteredList;

});

ace.define("ace/ext/menu_tools/overlay_page",[], function(require, exports, module) {
'use strict';
var dom = require("../../lib/dom");
var cssText = "#ace_settingsmenu, #kbshortcutmenu {\
background-color: #F7F7F7;\
color: black;\
box-shadow: -5px 4px 5px rgba(126, 126, 126, 0.55);\
padding: 1em 0.5em 2em 1em;\
overflow: auto;\
position: absolute;\
margin: 0;\
bottom: 0;\
right: 0;\
top: 0;\
z-index: 9991;\
cursor: default;\
}\
.ace_dark #ace_settingsmenu, .ace_dark #kbshortcutmenu {\
box-shadow: -20px 10px 25px rgba(126, 126, 126, 0.25);\
background-color: rgba(255, 255, 255, 0.6);\
color: black;\
}\
.ace_optionsMenuEntry:hover {\
background-color: rgba(100, 100, 100, 0.1);\
transition: all 0.3s\
}\
.ace_closeButton {\
background: rgba(245, 146, 146, 0.5);\
border: 1px solid #F48A8A;\
border-radius: 50%;\
padding: 7px;\
position: absolute;\
right: -8px;\
top: -8px;\
z-index: 100000;\
}\
.ace_closeButton{\
background: rgba(245, 146, 146, 0.9);\
}\
.ace_optionsMenuKey {\
color: darkslateblue;\
font-weight: bold;\
}\
.ace_optionsMenuCommand {\
color: darkcyan;\
font-weight: normal;\
}\
.ace_optionsMenuEntry input, .ace_optionsMenuEntry button {\
vertical-align: middle;\
}\
.ace_optionsMenuEntry button[ace_selected_button=true] {\
background: #e7e7e7;\
box-shadow: 1px 0px 2px 0px #adadad inset;\
border-color: #adadad;\
}\
.ace_optionsMenuEntry button {\
background: white;\
border: 1px solid lightgray;\
margin: 0px;\
}\
.ace_optionsMenuEntry button:hover{\
background: #f0f0f0;\
}";
dom.importCssString(cssText);

module.exports.overlayPage = function overlayPage(editor, contentElement, callback) {
    var closer = document.createElement('div');

    function documentEscListener(e) {
        if (e.keyCode === 27) {
            close();
        }
    }

    function close() {
        if (!closer) return;
        document.removeEventListener('keydown', documentEscListener);
        closer.parentNode.removeChild(closer);
        editor.focus();
        closer = null;
        callback && callback();
    }

    closer.style.cssText = 'margin: 0; padding: 0; ' +
        'position: fixed; top:0; bottom:0; left:0; right:0;' +
        'z-index: 9990; ' +
        'background-color: rgba(0, 0, 0, 0.3);';
    closer.addEventListener('click', function() {
        close();
    });
    document.addEventListener('keydown', documentEscListener);

    contentElement.addEventListener('click', function (e) {
        e.stopPropagation();
    });

    closer.appendChild(contentElement);
    document.body.appendChild(closer);
    editor.blur();
    return {
        close: close
    };
};

});

ace.define("ace/ext/modelist",[], function(require, exports, module) {
"use strict";

var modes = [];
function getModeForPath(path) {
    var mode = modesByName.text;
    var fileName = path.split(/[\/\\]/).pop();
    for (var i = 0; i < modes.length; i++) {
        if (modes[i].supportsFile(fileName)) {
            mode = modes[i];
            break;
        }
    }
    return mode;
}

var Mode = function(name, caption, extensions) {
    this.name = name;
    this.caption = caption;
    this.mode = "ace/mode/" + name;
    this.extensions = extensions;
    var re;
    if (/\^/.test(extensions)) {
        re = extensions.replace(/\|(\^)?/g, function(a, b){
            return "$|" + (b ? "^" : "^.*\\.");
        }) + "$";
    } else {
        re = "^.*\\.(" + extensions + ")$";
    }

    this.extRe = new RegExp(re, "gi");
};

Mode.prototype.supportsFile = function(filename) {
    return filename.match(this.extRe);
};
var supportedModes = {
    ABAP:        ["abap"],
    ABC:         ["abc"],
    ActionScript:["as"],
    ADA:         ["ada|adb"],
    Apache_Conf: ["^htaccess|^htgroups|^htpasswd|^conf|htaccess|htgroups|htpasswd"],
    AsciiDoc:    ["asciidoc|adoc"],
    ASL:         ["dsl|asl"],
    Assembly_x86:["asm|a"],
    AutoHotKey:  ["ahk"],
    Apex:        ["apex|cls|trigger|tgr"],
    AQL:         ["aql"],
    BatchFile:   ["bat|cmd"],
    C_Cpp:       ["cpp|c|cc|cxx|h|hh|hpp|ino"],
    C9Search:    ["c9search_results"],
    Crystal:     ["cr"],
    Cirru:       ["cirru|cr"],
    Clojure:     ["clj|cljs"],
    Cobol:       ["CBL|COB"],
    coffee:      ["coffee|cf|cson|^Cakefile"],
    ColdFusion:  ["cfm"],
    CSharp:      ["cs"],
    Csound_Document: ["csd"],
    Csound_Orchestra: ["orc"],
    Csound_Score: ["sco"],
    CSS:         ["css"],
    Curly:       ["curly"],
    D:           ["d|di"],
    Dart:        ["dart"],
    Diff:        ["diff|patch"],
    Dockerfile:  ["^Dockerfile"],
    Dot:         ["dot"],
    Drools:      ["drl"],
    Edifact:     ["edi"],
    Eiffel:      ["e|ge"],
    EJS:         ["ejs"],
    Elixir:      ["ex|exs"],
    Elm:         ["elm"],
    Erlang:      ["erl|hrl"],
    Forth:       ["frt|fs|ldr|fth|4th"],
    Fortran:     ["f|f90"],
    FSharp:      ["fsi|fs|ml|mli|fsx|fsscript"],
    FSL:         ["fsl"],
    FTL:         ["ftl"],
    Gcode:       ["gcode"],
    Gherkin:     ["feature"],
    Gitignore:   ["^.gitignore"],
    Glsl:        ["glsl|frag|vert"],
    Gobstones:   ["gbs"],
    golang:      ["go"],
    GraphQLSchema: ["gql"],
    Groovy:      ["groovy"],
    HAML:        ["haml"],
    Handlebars:  ["hbs|handlebars|tpl|mustache"],
    Haskell:     ["hs"],
    Haskell_Cabal: ["cabal"],
    haXe:        ["hx"],
    Hjson:       ["hjson"],
    HTML:        ["html|htm|xhtml|vue|we|wpy"],
    HTML_Elixir: ["eex|html.eex"],
    HTML_Ruby:   ["erb|rhtml|html.erb"],
    INI:         ["ini|conf|cfg|prefs"],
    Io:          ["io"],
    Jack:        ["jack"],
    Jade:        ["jade|pug"],
    Java:        ["java"],
    JavaScript:  ["js|jsm|jsx"],
    JSON:        ["json"],
    JSONiq:      ["jq"],
    JSP:         ["jsp"],
    JSSM:        ["jssm|jssm_state"],
    JSX:         ["jsx"],
    Julia:       ["jl"],
    Kotlin:      ["kt|kts"],
    LaTeX:       ["tex|latex|ltx|bib"],
    LESS:        ["less"],
    Liquid:      ["liquid"],
    Lisp:        ["lisp"],
    LiveScript:  ["ls"],
    LogiQL:      ["logic|lql"],
    LSL:         ["lsl"],
    Lua:         ["lua"],
    LuaPage:     ["lp"],
    Lucene:      ["lucene"],
    Makefile:    ["^Makefile|^GNUmakefile|^makefile|^OCamlMakefile|make"],
    Markdown:    ["md|markdown"],
    Mask:        ["mask"],
    MATLAB:      ["matlab"],
    Maze:        ["mz"],
    MEL:         ["mel"],
    MIXAL:       ["mixal"],
    MUSHCode:    ["mc|mush"],
    MySQL:       ["mysql"],
    Nginx:       ["nginx|conf"],
    Nix:         ["nix"],
    Nim:         ["nim"],
    NSIS:        ["nsi|nsh"],
    ObjectiveC:  ["m|mm"],
    OCaml:       ["ml|mli"],
    Pascal:      ["pas|p"],
    Perl:        ["pl|pm"],
    Perl6:       ["p6|pl6|pm6"],
    pgSQL:       ["pgsql"],
    PHP_Laravel_blade: ["blade.php"],
    PHP:         ["php|inc|phtml|shtml|php3|php4|php5|phps|phpt|aw|ctp|module"],
    Puppet:      ["epp|pp"],
    Pig:         ["pig"],
    Powershell:  ["ps1"],
    Praat:       ["praat|praatscript|psc|proc"],
    Prolog:      ["plg|prolog"],
    Properties:  ["properties"],
    Protobuf:    ["proto"],
    Python:      ["py"],
    R:           ["r"],
    Razor:       ["cshtml|asp"],
    RDoc:        ["Rd"],
    Red:         ["red|reds"],
    RHTML:       ["Rhtml"],
    RST:         ["rst"],
    Ruby:        ["rb|ru|gemspec|rake|^Guardfile|^Rakefile|^Gemfile"],
    Rust:        ["rs"],
    SASS:        ["sass"],
    SCAD:        ["scad"],
    Scala:       ["scala|sbt"],
    Scheme:      ["scm|sm|rkt|oak|scheme"],
    SCSS:        ["scss"],
    SH:          ["sh|bash|^.bashrc"],
    SJS:         ["sjs"],
    Slim:        ["slim|skim"],
    Smarty:      ["smarty|tpl"],
    snippets:    ["snippets"],
    Soy_Template:["soy"],
    Space:       ["space"],
    SQL:         ["sql"],
    SQLServer:   ["sqlserver"],
    Stylus:      ["styl|stylus"],
    SVG:         ["svg"],
    Swift:       ["swift"],
    Tcl:         ["tcl"],
    Terraform:   ["tf", "tfvars", "terragrunt"],
    Tex:         ["tex"],
    Text:        ["txt"],
    Textile:     ["textile"],
    Toml:        ["toml"],
    TSX:         ["tsx"],
    Twig:        ["latte|twig|swig"],
    Typescript:  ["ts|typescript|str"],
    Vala:        ["vala"],
    VBScript:    ["vbs|vb"],
    Velocity:    ["vm"],
    Verilog:     ["v|vh|sv|svh"],
    VHDL:        ["vhd|vhdl"],
    Visualforce: ["vfp|component|page"],
    Wollok:      ["wlk|wpgm|wtest"],
    XML:         ["xml|rdf|rss|wsdl|xslt|atom|mathml|mml|xul|xbl|xaml"],
    XQuery:      ["xq"],
    YAML:        ["yaml|yml"],
    Zeek:        ["zeek|bro"],
    Django:      ["html"]
};

var nameOverrides = {
    ObjectiveC: "Objective-C",
    CSharp: "C#",
    golang: "Go",
    C_Cpp: "C and C++",
    Csound_Document: "Csound Document",
    Csound_Orchestra: "Csound",
    Csound_Score: "Csound Score",
    coffee: "CoffeeScript",
    HTML_Ruby: "HTML (Ruby)",
    HTML_Elixir: "HTML (Elixir)",
    FTL: "FreeMarker",
    PHP_Laravel_blade: "PHP (Blade Template)",
    Perl6: "Perl 6",
    AutoHotKey: "AutoHotkey / AutoIt"
};
var modesByName = {};
for (var name in supportedModes) {
    var data = supportedModes[name];
    var displayName = (nameOverrides[name] || name).replace(/_/g, " ");
    var filename = name.toLowerCase();
    var mode = new Mode(filename, displayName, data[0]);
    modesByName[filename] = mode;
    modes.push(mode);
}

module.exports = {
    getModeForPath: getModeForPath,
    modes: modes,
    modesByName: modesByName
};

});

ace.define("ace/ext/prompt",[], function(require, exports, module) {
"use strict";

var Range = require("../range").Range;
var dom = require("../lib/dom");
var shortcuts = require("../ext/menu_tools/get_editor_keyboard_shortcuts");
var FilteredList= require("../autocomplete").FilteredList;
var AcePopup = require('../autocomplete/popup').AcePopup;
var $singleLineEditor = require('../autocomplete/popup').$singleLineEditor;
var UndoManager = require("../undomanager").UndoManager;
var Tokenizer = require("../tokenizer").Tokenizer;
var overlayPage = require("./menu_tools/overlay_page").overlayPage;
var modelist = require("./modelist");
var openPrompt;

function prompt(editor, message, options, callback) {
    if (typeof message == "object") {
        return prompt(editor, "", message, options);
    }
    if (openPrompt) {
        var lastPrompt = openPrompt;
        editor = lastPrompt.editor;
        lastPrompt.close();
        if (lastPrompt.name && lastPrompt.name == options.name)
            return;
    }
    if (options.$type)
       return prompt[options.$type](editor, callback);

    var cmdLine = $singleLineEditor();
    cmdLine.session.setUndoManager(new UndoManager());
    cmdLine.setOption("fontSize", editor.getOption("fontSize"));

    var el = dom.buildDom(["div", {class: "ace_prompt_container"}]);
    var overlay = overlayPage(editor, el, done);
    el.appendChild(cmdLine.container);

    editor.cmdLine = cmdLine;
    cmdLine.setValue(message, 1);
    if (options.selection) {
        cmdLine.selection.setRange({
            start: cmdLine.session.doc.indexToPosition(options.selection[0]),
            end: cmdLine.session.doc.indexToPosition(options.selection[1])
        });
    }

    if (options.getCompletions) {
        var popup = new AcePopup();
        popup.renderer.setStyle("ace_autocomplete_inline");
        popup.container.style.display = "block";
        popup.container.style.maxWidth = "600px";
        popup.container.style.width = "100%";
        popup.container.style.marginTop = "3px";
        popup.renderer.setScrollMargin(2, 2, 0, 0);
        popup.autoSelect = false;
        popup.renderer.$maxLines = 15;
        popup.setRow(-1);
        popup.on("click", function(e) {
            var data = popup.getData(popup.getRow());
            if (!data.error) {
                cmdLine.setValue(data.value || data.name || data);
                accept();
                e.stop();
            }
        });
        el.appendChild(popup.container);
        updateCompletions();
    }

    if (options.$rules) {
        var tokenizer = new Tokenizer(options.$rules);
        cmdLine.session.bgTokenizer.setTokenizer(tokenizer);
    }

    function accept() {
        var val;
        if (popup.getCursorPosition().row > 0) {
            val = valueFromRecentList();
        } else {
            val = cmdLine.getValue();
        }
        var curData = popup.getData(popup.getRow());
        if (curData && !curData.error) {
            done();
            options.onAccept && options.onAccept({
                value: val,
                item: curData
            }, cmdLine);
        }
    }

    cmdLine.commands.bindKeys({
        "Enter": accept,
        "Esc|Shift-Esc": function() {
            options.onCancel && options.onCancel(cmdLine.getValue(), cmdLine);
            done();
        },
        "Up": function(editor) { popup.goTo("up"); valueFromRecentList();},
        "Down": function(editor) { popup.goTo("down"); valueFromRecentList();},
        "Ctrl-Up|Ctrl-Home": function(editor) { popup.goTo("start"); valueFromRecentList();},
        "Ctrl-Down|Ctrl-End": function(editor) { popup.goTo("end"); valueFromRecentList();},
        "Tab": function(editor) {
            popup.goTo("down"); valueFromRecentList();
        },
        "PageUp": function(editor) { popup.gotoPageUp(); valueFromRecentList();},
        "PageDown": function(editor) { popup.gotoPageDown(); valueFromRecentList();}
    });

    function done() {
        overlay.close();
        callback && callback();
        openPrompt = null;
    }

    cmdLine.on("input", function() {
        options.onInput && options.onInput();
        updateCompletions();
    });

    function updateCompletions() {
        if (options.getCompletions) {
            var prefix;
            if (options.getPrefix) {
                prefix = options.getPrefix(cmdLine);
            }

            var completions = options.getCompletions(cmdLine);
            popup.setData(completions, prefix);
            popup.resize(true);
        }
    }

    function valueFromRecentList() {
        var current = popup.getData(popup.getRow());
        if (current && !current.error)
            return current.value || current.caption || current;
    }

    cmdLine.resize(true);
    popup.resize(true);
    cmdLine.focus();

    openPrompt = {
        close: done,
        name: options.name,
        editor: editor
    };
}

prompt.gotoLine = function(editor, callback) {
    function stringifySelection(selection) {
        if (!Array.isArray(selection))
            selection = [selection];
        return selection.map(function(r) {
            var cursor = r.isBackwards ? r.start: r.end;
            var anchor = r.isBackwards ? r.end: r.start;
            var row = anchor.row;
            var s = (row + 1) + ":" + anchor.column;

            if (anchor.row == cursor.row) {
                if (anchor.column != cursor.column)
                    s += ">" + ":" + cursor.column;
            } else {
                s += ">" + (cursor.row + 1) + ":" + cursor.column;
            }
            return s;
        }).reverse().join(", ");
    }

    prompt(editor, ":" + stringifySelection(editor.selection.toJSON()), {
        name: "gotoLine",
        selection: [1, Number.MAX_VALUE],
        onAccept: function(data) {
            var value = data.value;
            var _history = prompt.gotoLine._history;
            if (!_history)
                prompt.gotoLine._history = _history = [];
            if (_history.indexOf(value) != -1)
                _history.splice(_history.indexOf(value), 1);
            _history.unshift(value);
            if (_history.length > 20) _history.length = 20;
            
            
            var pos = editor.getCursorPosition();
            var ranges = [];
            value.replace(/^:/, "").split(/,/).map(function(str) {
                var parts = str.split(/([<>:+-]|c?\d+)|[^c\d<>:+-]+/).filter(Boolean);
                var i = 0;
                function readPosition() {
                    var c = parts[i++];
                    if (!c) return;
                    if (c[0] == "c") {
                        var index = parseInt(c.slice(1)) || 0;
                        return editor.session.doc.indexToPosition(index);
                    }
                    var row = pos.row;
                    var column = 0;
                    if (/\d/.test(c)) {
                        row = parseInt(c) - 1;
                        c = parts[i++];
                    }
                    if (c == ":") {
                        c = parts[i++];
                        if (/\d/.test(c)) {
                            column = parseInt(c) || 0;
                        }
                    }
                    return {row: row, column: column};
                }
                pos = readPosition();
                var range = Range.fromPoints(pos, pos);
                if (parts[i] == ">") {
                    i++;
                    range.end = readPosition();
                }
                else if (parts[i] == "<") {
                    i++;
                    range.start = readPosition();
                }
                ranges.unshift(range);
            });
            editor.selection.fromJSON(ranges);
            var scrollTop = editor.renderer.scrollTop;
            editor.renderer.scrollSelectionIntoView(
                editor.selection.anchor, 
                editor.selection.cursor, 
                0.5
            );
            editor.renderer.animateScrolling(scrollTop);
        },
        history: function() {
            var undoManager = editor.session.getUndoManager();
            if (!prompt.gotoLine._history)
                return [];
            return prompt.gotoLine._history;

        },
        getCompletions: function(cmdLine) {
            var value = cmdLine.getValue();
            var m = value.replace(/^:/, "").split(":");
            var row = Math.min(parseInt(m[0]) || 1, editor.session.getLength()) - 1;
            var line = editor.session.getLine(row);
            var current = value + "  " + line;
            return [current].concat(this.history());
        },
        $rules: {
            start: [{
                regex: /\d+/,
                token: "string"
            }, {
                regex: /[:,><+\-c]/,
                token: "keyword"
            }]
        }
    });
};

prompt.commands = function(editor, callback) {
    function normalizeName(name) {
        return (name || "").replace(/^./, function(x) {
            return x.toUpperCase(x);
        }).replace(/[a-z][A-Z]/g, function(x) {
            return x[0] + " " + x[1].toLowerCase(x);
        });
    }
    function getEditorCommandsByName(excludeCommands) {
        var commandsByName = [];
        var commandMap = {};
        editor.keyBinding.$handlers.forEach(function(handler) {
            var platform = handler.platform;
            var cbn = handler.byName;
            for (var i in cbn) {
                var key;
                if (cbn[i].bindKey && cbn[i].bindKey[platform] !== null) {
                    key = cbn[i].bindKey["win"];
                } else {
                    key = "";
                }

                var commands = cbn[i];
                var description = commands.description || normalizeName(commands.name);
                if (!Array.isArray(commands))
                    commands = [commands];
                commands.forEach(function(command) {
                    if (typeof command != "string")
                        command = command.name;
                    var needle = excludeCommands.find(function(el) {
                        return el === command;
                    });
                    if (!needle) {
                        if (commandMap[command]) {
                            commandMap[command].key += "|" + key;
                        } else {
                            commandMap[command] = {key: key, command: command, description: description};
                            commandsByName.push(commandMap[command]);
                        }
                    }
                });
            }
        });
        return commandsByName;
    }
    var excludeCommandsList = ["insertstring", "inserttext", "setIndentation", "paste"];
    var shortcutsArray = getEditorCommandsByName(excludeCommandsList);
    shortcutsArray = shortcutsArray.map(function(item) {
        return {value: item.description, meta: item.key, command: item.command};
    });
    prompt(editor, "",  {
        name: "commands",
        selection: [0, Number.MAX_VALUE],
        maxHistoryCount: 5,
        onAccept: function(data) {
            if (data.item) {
                var commandName = data.item.command;
                this.addToHistory(data.item);

                editor.execCommand(commandName);
            }
        },
        addToHistory: function(item) {
            var history = this.history();
            history.unshift(item);
            delete item.message;
            for (var i = 1; i < history.length; i++) {
                if (history[i]["command"] == item.command ) {
                    history.splice(i, 1);
                    break;
                }
            }
            if (this.maxHistoryCount > 0 && history.length > this.maxHistoryCount) {
                history.splice(history.length - 1, 1);
            }
            prompt.commands.history = history;
        },
        history: function() {
            return prompt.commands.history || [];
        },
        getPrefix: function(cmdLine) {
            var currentPos = cmdLine.getCursorPosition();
            var filterValue = cmdLine.getValue();
            return filterValue.substring(0, currentPos.column);
        },
        getCompletions: function(cmdLine) {
            function getFilteredCompletions(commands, prefix) {
                var resultCommands = JSON.parse(JSON.stringify(commands));

                var filtered = new FilteredList(resultCommands);
                return filtered.filterCompletions(resultCommands, prefix);
            }

            function getUniqueCommandList(commands, usedCommands) {
                if (!usedCommands || !usedCommands.length) {
                    return commands;
                }
                var excludeCommands = [];
                usedCommands.forEach(function(item) {
                    excludeCommands.push(item.command);
                });

                var resultCommands = [];

                commands.forEach(function(item) {
                    if (excludeCommands.indexOf(item.command) === -1) {
                        resultCommands.push(item);
                    }
                });

                return resultCommands;
            }

            var prefix = this.getPrefix(cmdLine);
            var recentlyUsedCommands = getFilteredCompletions(this.history(), prefix);
            var otherCommands = getUniqueCommandList(shortcutsArray, recentlyUsedCommands);
            otherCommands = getFilteredCompletions(otherCommands, prefix);

            if (recentlyUsedCommands.length && otherCommands.length) {
                recentlyUsedCommands[0]["message"] = " Recently used";
                otherCommands[0]["message"] = " Other commands";
            }

            var completions = recentlyUsedCommands.concat(otherCommands);
            return completions.length > 0 ? completions : [{
                value: "No matching commands",
                error: 1
            }];
        }
    });
};

prompt.modes = function(editor, callback) {
    var modesArray = modelist.modes;
    modesArray = modesArray.map(function(item) {
        return {value: item.caption, mode: item.name};
    });
    prompt(editor, "",  {
        name: "modes",
        selection: [0, Number.MAX_VALUE],
        onAccept: function(data) {
            if (data.item) {
                var modeName = "ace/mode/" + data.item.mode;
                editor.session.setMode(modeName);
            }
        },
        getPrefix: function(cmdLine) {
            var currentPos = cmdLine.getCursorPosition();
            var filterValue = cmdLine.getValue();
            return filterValue.substring(0, currentPos.column);
        },
        getCompletions: function(cmdLine) {
            function getFilteredCompletions(modes, prefix) {
                var resultCommands = JSON.parse(JSON.stringify(modes));

                var filtered = new FilteredList(resultCommands);
                return filtered.filterCompletions(resultCommands, prefix);
            }

            var prefix = this.getPrefix(cmdLine);
            var completions = getFilteredCompletions(modesArray, prefix);
            return completions.length > 0 ? completions : [{
                "caption": "No mode matching",
                "value": "No mode matching",
                "error": 1
            }];
        }
    });
};

dom.importCssString(".ace_prompt_container {\
    max-width: 600px;\
    width: 100%;\
    margin: 20px auto;\
    padding: 3px;\
    background: white;\
    border-radius: 2px;\
    box-shadow: 0px 2px 3px 0px #555;\
}");


exports.prompt = prompt;

});                (function() {
                    ace.require(["ace/ext/prompt"], function(m) {
                        if (typeof module == "object" && typeof exports == "object" && module) {
                            module.exports = m;
                        }
                    });
                })();