overleaf/services/web/public/js/ace/mode-dart.js

ace.define("ace/mode/doc_comment_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/text_highlight_rules"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

var DocCommentHighlightRules = function() {
    this.$rules = {
        "start" : [ {
            token : "comment.doc.tag",
            regex : "@[\\w\\d_]+" // TODO: fix email addresses
        }, 
        DocCommentHighlightRules.getTagRule(),
        {
            defaultToken : "comment.doc",
            caseInsensitive: true
        }]
    };
};

oop.inherits(DocCommentHighlightRules, TextHighlightRules);

DocCommentHighlightRules.getTagRule = function(start) {
    return {
        token : "comment.doc.tag.storage.type",
        regex : "\\b(?:TODO|FIXME|XXX|HACK)\\b"
    };
}

DocCommentHighlightRules.getStartRule = function(start) {
    return {
        token : "comment.doc", // doc comment
        regex : "\\/\\*(?=\\*)",
        next  : start
    };
};

DocCommentHighlightRules.getEndRule = function (start) {
    return {
        token : "comment.doc", // closing comment
        regex : "\\*\\/",
        next  : start
    };
};


exports.DocCommentHighlightRules = DocCommentHighlightRules;

});

ace.define("ace/mode/c_cpp_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/doc_comment_highlight_rules","ace/mode/text_highlight_rules"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var cFunctions = exports.cFunctions = "\\b(?:hypot(?:f|l)?|s(?:scanf|ystem|nprintf|ca(?:nf|lb(?:n(?:f|l)?|ln(?:f|l)?))|i(?:n(?:h(?:f|l)?|f|l)?|gn(?:al|bit))|tr(?:s(?:tr|pn)|nc(?:py|at|mp)|c(?:spn|hr|oll|py|at|mp)|to(?:imax|d|u(?:l(?:l)?|max)|k|f|l(?:d|l)?)|error|pbrk|ftime|len|rchr|xfrm)|printf|et(?:jmp|vbuf|locale|buf)|qrt(?:f|l)?|w(?:scanf|printf)|rand)|n(?:e(?:arbyint(?:f|l)?|xt(?:toward(?:f|l)?|after(?:f|l)?))|an(?:f|l)?)|c(?:s(?:in(?:h(?:f|l)?|f|l)?|qrt(?:f|l)?)|cos(?:h(?:f)?|f|l)?|imag(?:f|l)?|t(?:ime|an(?:h(?:f|l)?|f|l)?)|o(?:s(?:h(?:f|l)?|f|l)?|nj(?:f|l)?|pysign(?:f|l)?)|p(?:ow(?:f|l)?|roj(?:f|l)?)|e(?:il(?:f|l)?|xp(?:f|l)?)|l(?:o(?:ck|g(?:f|l)?)|earerr)|a(?:sin(?:h(?:f|l)?|f|l)?|cos(?:h(?:f|l)?|f|l)?|tan(?:h(?:f|l)?|f|l)?|lloc|rg(?:f|l)?|bs(?:f|l)?)|real(?:f|l)?|brt(?:f|l)?)|t(?:ime|o(?:upper|lower)|an(?:h(?:f|l)?|f|l)?|runc(?:f|l)?|gamma(?:f|l)?|mp(?:nam|file))|i(?:s(?:space|n(?:ormal|an)|cntrl|inf|digit|u(?:nordered|pper)|p(?:unct|rint)|finite|w(?:space|c(?:ntrl|type)|digit|upper|p(?:unct|rint)|lower|al(?:num|pha)|graph|xdigit|blank)|l(?:ower|ess(?:equal|greater)?)|al(?:num|pha)|gr(?:eater(?:equal)?|aph)|xdigit|blank)|logb(?:f|l)?|max(?:div|abs))|di(?:v|fftime)|_Exit|unget(?:c|wc)|p(?:ow(?:f|l)?|ut(?:s|c(?:har)?|wc(?:har)?)|error|rintf)|e(?:rf(?:c(?:f|l)?|f|l)?|x(?:it|p(?:2(?:f|l)?|f|l|m1(?:f|l)?)?))|v(?:s(?:scanf|nprintf|canf|printf|w(?:scanf|printf))|printf|f(?:scanf|printf|w(?:scanf|printf))|w(?:scanf|printf)|a_(?:start|copy|end|arg))|qsort|f(?:s(?:canf|e(?:tpos|ek))|close|tell|open|dim(?:f|l)?|p(?:classify|ut(?:s|c|w(?:s|c))|rintf)|e(?:holdexcept|set(?:e(?:nv|xceptflag)|round)|clearexcept|testexcept|of|updateenv|r(?:aiseexcept|ror)|get(?:e(?:nv|xceptflag)|round))|flush|w(?:scanf|ide|printf|rite)|loor(?:f|l)?|abs(?:f|l)?|get(?:s|c|pos|w(?:s|c))|re(?:open|e|ad|xp(?:f|l)?)|m(?:in(?:f|l)?|od(?:f|l)?|a(?:f|l|x(?:f|l)?)?))|l(?:d(?:iv|exp(?:f|l)?)|o(?:ngjmp|cal(?:time|econv)|g(?:1(?:p(?:f|l)?|0(?:f|l)?)|2(?:f|l)?|f|l|b(?:f|l)?)?)|abs|l(?:div|abs|r(?:int(?:f|l)?|ound(?:f|l)?))|r(?:int(?:f|l)?|ound(?:f|l)?)|gamma(?:f|l)?)|w(?:scanf|c(?:s(?:s(?:tr|pn)|nc(?:py|at|mp)|c(?:spn|hr|oll|py|at|mp)|to(?:imax|d|u(?:l(?:l)?|max)|k|f|l(?:d|l)?|mbs)|pbrk|ftime|len|r(?:chr|tombs)|xfrm)|to(?:b|mb)|rtomb)|printf|mem(?:set|c(?:hr|py|mp)|move))|a(?:s(?:sert|ctime|in(?:h(?:f|l)?|f|l)?)|cos(?:h(?:f|l)?|f|l)?|t(?:o(?:i|f|l(?:l)?)|exit|an(?:h(?:f|l)?|2(?:f|l)?|f|l)?)|b(?:s|ort))|g(?:et(?:s|c(?:har)?|env|wc(?:har)?)|mtime)|r(?:int(?:f|l)?|ound(?:f|l)?|e(?:name|alloc|wind|m(?:ove|quo(?:f|l)?|ainder(?:f|l)?))|a(?:nd|ise))|b(?:search|towc)|m(?:odf(?:f|l)?|em(?:set|c(?:hr|py|mp)|move)|ktime|alloc|b(?:s(?:init|towcs|rtowcs)|towc|len|r(?:towc|len))))\\b"

var c_cppHighlightRules = function() {

    var keywordControls = (
        "break|case|continue|default|do|else|for|goto|if|_Pragma|" +
        "return|switch|while|catch|operator|try|throw|using"
    );
    
    var storageType = (
        "asm|__asm__|auto|bool|_Bool|char|_Complex|double|enum|float|" +
        "_Imaginary|int|long|short|signed|struct|typedef|union|unsigned|void|" +
        "class|wchar_t|template|char16_t|char32_t"
    );

    var storageModifiers = (
        "const|extern|register|restrict|static|volatile|inline|private|" +
        "protected|public|friend|explicit|virtual|export|mutable|typename|" +
        "constexpr|new|delete|alignas|alignof|decltype|noexcept|thread_local"
    );

    var keywordOperators = (
        "and|and_eq|bitand|bitor|compl|not|not_eq|or|or_eq|typeid|xor|xor_eq" +
        "const_cast|dynamic_cast|reinterpret_cast|static_cast|sizeof|namespace"
    );

    var builtinConstants = (
        "NULL|true|false|TRUE|FALSE|nullptr"
    );

    var keywordMapper = this.$keywords = this.createKeywordMapper({
        "keyword.control" : keywordControls,
        "storage.type" : storageType,
        "storage.modifier" : storageModifiers,
        "keyword.operator" : keywordOperators,
        "variable.language": "this",
        "constant.language": builtinConstants
    }, "identifier");

    var identifierRe = "[a-zA-Z\\$_\u00a1-\uffff][a-zA-Z\d\\$_\u00a1-\uffff]*\\b";

    this.$rules = { 
        "start" : [
            {
                token : "comment",
                regex : "//$",
                next : "start"
            }, {
                token : "comment",
                regex : "//",
                next : "singleLineComment"
            },
            DocCommentHighlightRules.getStartRule("doc-start"),
            {
                token : "comment", // multi line comment
                regex : "\\/\\*",
                next : "comment"
            }, {
                token : "string", // single line
                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
            }, {
                token : "string", // multi line string start
                regex : '["].*\\\\$',
                next : "qqstring"
            }, {
                token : "string", // single line
                regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
            }, {
                token : "string", // multi line string start
                regex : "['].*\\\\$",
                next : "qstring"
            }, {
                token : "constant.numeric", // hex
                regex : "0[xX][0-9a-fA-F]+(L|l|UL|ul|u|U|F|f|ll|LL|ull|ULL)?\\b"
            }, {
                token : "constant.numeric", // float
                regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?(L|l|UL|ul|u|U|F|f|ll|LL|ull|ULL)?\\b"
            }, {
                token : "keyword", // pre-compiler directives
                regex : "#\\s*(?:include|import|pragma|line|define|undef)\\b",
                next  : "directive"
            }, {
                token : "keyword", // special case pre-compiler directive
                regex : "#\\s*(?:endif|if|ifdef|else|elif|ifndef)\\b"
            }, {
                token : "support.function.C99.c",
                regex : cFunctions
            }, {
                token : keywordMapper,
                regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
            }, {
                token : "keyword.operator",
                regex : "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|==|=|!=|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|new|delete|typeof|void)"
            }, {
              token : "punctuation.operator",
              regex : "\\?|\\:|\\,|\\;|\\."
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "comment" : [
            {
                token : "comment", // closing comment
                regex : ".*?\\*\\/",
                next : "start"
            }, {
                token : "comment", // comment spanning whole line
                regex : ".+"
            }
        ],
        "singleLineComment" : [
            {
                token : "comment",
                regex : /\\$/,
                next : "singleLineComment"
            }, {
                token : "comment",
                regex : /$/,
                next : "start"
            }, {
                defaultToken: "comment"
            }
        ],
        "qqstring" : [
            {
                token : "string",
                regex : '(?:(?:\\\\.)|(?:[^"\\\\]))*?"',
                next : "start"
            }, {
                defaultToken : "string"
            }
        ],
        "qstring" : [
            {
                token : "string",
                regex : "(?:(?:\\\\.)|(?:[^'\\\\]))*?'",
                next : "start"
            }, {
                defaultToken : "string"
            }
        ],
        "directive" : [
            {
                token : "constant.other.multiline",
                regex : /\\/
            },
            {
                token : "constant.other.multiline",
                regex : /.*\\/
            },
            {
                token : "constant.other",
                regex : "\\s*<.+?>",
                next : "start"
            },
            {
                token : "constant.other", // single line
                regex : '\\s*["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]',
                next : "start"
            }, 
            {
                token : "constant.other", // single line
                regex : "\\s*['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']",
                next : "start"
            },
            {
                token : "constant.other",
                regex : /[^\\\/]+/,
                next : "start"
            }
        ]
    };

    this.embedRules(DocCommentHighlightRules, "doc-",
        [ DocCommentHighlightRules.getEndRule("start") ]);
};

oop.inherits(c_cppHighlightRules, TextHighlightRules);

exports.c_cppHighlightRules = c_cppHighlightRules;
});

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

var Range = require("../range").Range;

var MatchingBraceOutdent = function() {};

(function() {

    this.checkOutdent = function(line, input) {
        if (! /^\s+$/.test(line))
            return false;

        return /^\s*\}/.test(input);
    };

    this.autoOutdent = function(doc, row) {
        var line = doc.getLine(row);
        var match = line.match(/^(\s*\})/);

        if (!match) return 0;

        var column = match[1].length;
        var openBracePos = doc.findMatchingBracket({row: row, column: column});

        if (!openBracePos || openBracePos.row == row) return 0;

        var indent = this.$getIndent(doc.getLine(openBracePos.row));
        doc.replace(new Range(row, 0, row, column-1), indent);
    };

    this.$getIndent = function(line) {
        return line.match(/^\s*/)[0];
    };

}).call(MatchingBraceOutdent.prototype);

exports.MatchingBraceOutdent = MatchingBraceOutdent;
});

ace.define("ace/mode/behaviour/cstyle",["require","exports","module","ace/lib/oop","ace/mode/behaviour","ace/token_iterator","ace/lib/lang"], function(require, exports, module) {
"use strict";

var oop = require("../../lib/oop");
var Behaviour = require("../behaviour").Behaviour;
var TokenIterator = require("../../token_iterator").TokenIterator;
var lang = require("../../lib/lang");

var SAFE_INSERT_IN_TOKENS =
    ["text", "paren.rparen", "punctuation.operator"];
var SAFE_INSERT_BEFORE_TOKENS =
    ["text", "paren.rparen", "punctuation.operator", "comment"];

var context;
var contextCache = {};
var initContext = function(editor) {
    var id = -1;
    if (editor.multiSelect) {
        id = editor.selection.index;
        if (contextCache.rangeCount != editor.multiSelect.rangeCount)
            contextCache = {rangeCount: editor.multiSelect.rangeCount};
    }
    if (contextCache[id])
        return context = contextCache[id];
    context = contextCache[id] = {
        autoInsertedBrackets: 0,
        autoInsertedRow: -1,
        autoInsertedLineEnd: "",
        maybeInsertedBrackets: 0,
        maybeInsertedRow: -1,
        maybeInsertedLineStart: "",
        maybeInsertedLineEnd: ""
    };
};

var getWrapped = function(selection, selected, opening, closing) {
    var rowDiff = selection.end.row - selection.start.row;
    return {
        text: opening + selected + closing,
        selection: [
                0,
                selection.start.column + 1,
                rowDiff,
                selection.end.column + (rowDiff ? 0 : 1)
            ]
    };
};

var CstyleBehaviour = function() {
    this.add("braces", "insertion", function(state, action, editor, session, text) {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        if (text == '{') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '{', '}');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode) {
                    CstyleBehaviour.recordAutoInsert(editor, session, "}");
                    return {
                        text: '{}',
                        selection: [1, 1]
                    };
                } else {
                    CstyleBehaviour.recordMaybeInsert(editor, session, "{");
                    return {
                        text: '{',
                        selection: [1, 1]
                    };
                }
            }
        } else if (text == '}') {
            initContext(editor);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == '}') {
                var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        } else if (text == "\n" || text == "\r\n") {
            initContext(editor);
            var closing = "";
            if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
                closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
                CstyleBehaviour.clearMaybeInsertedClosing();
            }
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar === '}') {
                var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');
                if (!openBracePos)
                     return null;
                var next_indent = this.$getIndent(session.getLine(openBracePos.row));
            } else if (closing) {
                var next_indent = this.$getIndent(line);
            } else {
                CstyleBehaviour.clearMaybeInsertedClosing();
                return;
            }
            var indent = next_indent + session.getTabString();

            return {
                text: '\n' + indent + '\n' + next_indent + closing,
                selection: [1, indent.length, 1, indent.length]
            };
        } else {
            CstyleBehaviour.clearMaybeInsertedClosing();
        }
    });

    this.add("braces", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '{') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.end.column, range.end.column + 1);
            if (rightChar == '}') {
                range.end.column++;
                return range;
            } else {
                context.maybeInsertedBrackets--;
            }
        }
    });

    this.add("parens", "insertion", function(state, action, editor, session, text) {
        if (text == '(') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '(', ')');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                CstyleBehaviour.recordAutoInsert(editor, session, ")");
                return {
                    text: '()',
                    selection: [1, 1]
                };
            }
        } else if (text == ')') {
            initContext(editor);
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == ')') {
                var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        }
    });

    this.add("parens", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '(') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == ')') {
                range.end.column++;
                return range;
            }
        }
    });

    this.add("brackets", "insertion", function(state, action, editor, session, text) {
        if (text == '[') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '[', ']');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                CstyleBehaviour.recordAutoInsert(editor, session, "]");
                return {
                    text: '[]',
                    selection: [1, 1]
                };
            }
        } else if (text == ']') {
            initContext(editor);
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == ']') {
                var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        }
    });

    this.add("brackets", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '[') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == ']') {
                range.end.column++;
                return range;
            }
        }
    });

    this.add("string_dquotes", "insertion", function(state, action, editor, session, text) {
        if (text == '"' || text == "'") {
            initContext(editor);
            var quote = text;
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && selected !== "'" && selected != '"' && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, quote, quote);
            } else if (!selected) {
                var cursor = editor.getCursorPosition();
                var line = session.doc.getLine(cursor.row);
                var leftChar = line.substring(cursor.column-1, cursor.column);
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                
                var token = session.getTokenAt(cursor.row, cursor.column);
                var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);
                if (leftChar == "\\" && token && /escape/.test(token.type))
                    return null;
                
                var stringBefore = token && /string|escape/.test(token.type);
                var stringAfter = !rightToken || /string|escape/.test(rightToken.type);
                
                var pair;
                if (rightChar == quote) {
                    pair = stringBefore !== stringAfter;
                } else {
                    if (stringBefore && !stringAfter)
                        return null; // wrap string with different quote
                    if (stringBefore && stringAfter)
                        return null; // do not pair quotes inside strings
                    var wordRe = session.$mode.tokenRe;
                    wordRe.lastIndex = 0;
                    var isWordBefore = wordRe.test(leftChar);
                    wordRe.lastIndex = 0;
                    var isWordAfter = wordRe.test(leftChar);
                    if (isWordBefore || isWordAfter)
                        return null; // before or after alphanumeric
                    if (rightChar && !/[\s;,.})\]\\]/.test(rightChar))
                        return null; // there is rightChar and it isn't closing
                    pair = true;
                }
                return {
                    text: pair ? quote + quote : "",
                    selection: [1,1]
                };
            }
        }
    });

    this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && (selected == '"' || selected == "'")) {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == selected) {
                range.end.column++;
                return range;
            }
        }
    });

};

    
CstyleBehaviour.isSaneInsertion = function(editor, session) {
    var cursor = editor.getCursorPosition();
    var iterator = new TokenIterator(session, cursor.row, cursor.column);
    if (!this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS)) {
        var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);
        if (!this.$matchTokenType(iterator2.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS))
            return false;
    }
    iterator.stepForward();
    return iterator.getCurrentTokenRow() !== cursor.row ||
        this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_BEFORE_TOKENS);
};

CstyleBehaviour.$matchTokenType = function(token, types) {
    return types.indexOf(token.type || token) > -1;
};

CstyleBehaviour.recordAutoInsert = function(editor, session, bracket) {
    var cursor = editor.getCursorPosition();
    var line = session.doc.getLine(cursor.row);
    if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))
        context.autoInsertedBrackets = 0;
    context.autoInsertedRow = cursor.row;
    context.autoInsertedLineEnd = bracket + line.substr(cursor.column);
    context.autoInsertedBrackets++;
};

CstyleBehaviour.recordMaybeInsert = function(editor, session, bracket) {
    var cursor = editor.getCursorPosition();
    var line = session.doc.getLine(cursor.row);
    if (!this.isMaybeInsertedClosing(cursor, line))
        context.maybeInsertedBrackets = 0;
    context.maybeInsertedRow = cursor.row;
    context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;
    context.maybeInsertedLineEnd = line.substr(cursor.column);
    context.maybeInsertedBrackets++;
};

CstyleBehaviour.isAutoInsertedClosing = function(cursor, line, bracket) {
    return context.autoInsertedBrackets > 0 &&
        cursor.row === context.autoInsertedRow &&
        bracket === context.autoInsertedLineEnd[0] &&
        line.substr(cursor.column) === context.autoInsertedLineEnd;
};

CstyleBehaviour.isMaybeInsertedClosing = function(cursor, line) {
    return context.maybeInsertedBrackets > 0 &&
        cursor.row === context.maybeInsertedRow &&
        line.substr(cursor.column) === context.maybeInsertedLineEnd &&
        line.substr(0, cursor.column) == context.maybeInsertedLineStart;
};

CstyleBehaviour.popAutoInsertedClosing = function() {
    context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);
    context.autoInsertedBrackets--;
};

CstyleBehaviour.clearMaybeInsertedClosing = function() {
    if (context) {
        context.maybeInsertedBrackets = 0;
        context.maybeInsertedRow = -1;
    }
};



oop.inherits(CstyleBehaviour, Behaviour);

exports.CstyleBehaviour = CstyleBehaviour;
});

ace.define("ace/mode/folding/cstyle",["require","exports","module","ace/lib/oop","ace/range","ace/mode/folding/fold_mode"], function(require, exports, module) {
"use strict";

var oop = require("../../lib/oop");
var Range = require("../../range").Range;
var BaseFoldMode = require("./fold_mode").FoldMode;

var FoldMode = exports.FoldMode = function(commentRegex) {
    if (commentRegex) {
        this.foldingStartMarker = new RegExp(
            this.foldingStartMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.start)
        );
        this.foldingStopMarker = new RegExp(
            this.foldingStopMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.end)
        );
    }
};
oop.inherits(FoldMode, BaseFoldMode);

(function() {
    
    this.foldingStartMarker = /(\{|\[)[^\}\]]*$|^\s*(\/\*)/;
    this.foldingStopMarker = /^[^\[\{]*(\}|\])|^[\s\*]*(\*\/)/;
    this.singleLineBlockCommentRe= /^\s*(\/\*).*\*\/\s*$/;
    this.tripleStarBlockCommentRe = /^\s*(\/\*\*\*).*\*\/\s*$/;
    this.startRegionRe = /^\s*(\/\*|\/\/)#?region\b/;
    this._getFoldWidgetBase = this.getFoldWidget;
    this.getFoldWidget = function(session, foldStyle, row) {
        var line = session.getLine(row);
    
        if (this.singleLineBlockCommentRe.test(line)) {
            if (!this.startRegionRe.test(line) && !this.tripleStarBlockCommentRe.test(line))
                return "";
        }
    
        var fw = this._getFoldWidgetBase(session, foldStyle, row);
    
        if (!fw && this.startRegionRe.test(line))
            return "start"; // lineCommentRegionStart
    
        return fw;
    };

    this.getFoldWidgetRange = function(session, foldStyle, row, forceMultiline) {
        var line = session.getLine(row);
        
        if (this.startRegionRe.test(line))
            return this.getCommentRegionBlock(session, line, row);
        
        var match = line.match(this.foldingStartMarker);
        if (match) {
            var i = match.index;

            if (match[1])
                return this.openingBracketBlock(session, match[1], row, i);
                
            var range = session.getCommentFoldRange(row, i + match[0].length, 1);
            
            if (range && !range.isMultiLine()) {
                if (forceMultiline) {
                    range = this.getSectionRange(session, row);
                } else if (foldStyle != "all")
                    range = null;
            }
            
            return range;
        }

        if (foldStyle === "markbegin")
            return;

        var match = line.match(this.foldingStopMarker);
        if (match) {
            var i = match.index + match[0].length;

            if (match[1])
                return this.closingBracketBlock(session, match[1], row, i);

            return session.getCommentFoldRange(row, i, -1);
        }
    };
    
    this.getSectionRange = function(session, row) {
        var line = session.getLine(row);
        var startIndent = line.search(/\S/);
        var startRow = row;
        var startColumn = line.length;
        row = row + 1;
        var endRow = row;
        var maxRow = session.getLength();
        while (++row < maxRow) {
            line = session.getLine(row);
            var indent = line.search(/\S/);
            if (indent === -1)
                continue;
            if  (startIndent > indent)
                break;
            var subRange = this.getFoldWidgetRange(session, "all", row);
            
            if (subRange) {
                if (subRange.start.row <= startRow) {
                    break;
                } else if (subRange.isMultiLine()) {
                    row = subRange.end.row;
                } else if (startIndent == indent) {
                    break;
                }
            }
            endRow = row;
        }
        
        return new Range(startRow, startColumn, endRow, session.getLine(endRow).length);
    };
    this.getCommentRegionBlock = function(session, line, row) {
        var startColumn = line.search(/\s*$/);
        var maxRow = session.getLength();
        var startRow = row;
        
        var re = /^\s*(?:\/\*|\/\/|--)#?(end)?region\b/;
        var depth = 1;
        while (++row < maxRow) {
            line = session.getLine(row);
            var m = re.exec(line);
            if (!m) continue;
            if (m[1]) depth--;
            else depth++;

            if (!depth) break;
        }

        var endRow = row;
        if (endRow > startRow) {
            return new Range(startRow, startColumn, endRow, line.length);
        }
    };

}).call(FoldMode.prototype);

});

ace.define("ace/mode/c_cpp",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/c_cpp_highlight_rules","ace/mode/matching_brace_outdent","ace/range","ace/mode/behaviour/cstyle","ace/mode/folding/cstyle"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var c_cppHighlightRules = require("./c_cpp_highlight_rules").c_cppHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
var Range = require("../range").Range;
var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
var CStyleFoldMode = require("./folding/cstyle").FoldMode;

var Mode = function() {
    this.HighlightRules = c_cppHighlightRules;

    this.$outdent = new MatchingBraceOutdent();
    this.$behaviour = new CstyleBehaviour();

    this.foldingRules = new CStyleFoldMode();
};
oop.inherits(Mode, TextMode);

(function() {

    this.lineCommentStart = "//";
    this.blockComment = {start: "/*", end: "*/"};

    this.getNextLineIndent = function(state, line, tab) {
        var indent = this.$getIndent(line);

        var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
        var tokens = tokenizedLine.tokens;
        var endState = tokenizedLine.state;

        if (tokens.length && tokens[tokens.length-1].type == "comment") {
            return indent;
        }

        if (state == "start") {
            var match = line.match(/^.*[\{\(\[]\s*$/);
            if (match) {
                indent += tab;
            }
        } else if (state == "doc-start") {
            if (endState == "start") {
                return "";
            }
            var match = line.match(/^\s*(\/?)\*/);
            if (match) {
                if (match[1]) {
                    indent += " ";
                }
                indent += "* ";
            }
        }

        return indent;
    };

    this.checkOutdent = function(state, line, input) {
        return this.$outdent.checkOutdent(line, input);
    };

    this.autoOutdent = function(state, doc, row) {
        this.$outdent.autoOutdent(doc, row);
    };

    this.$id = "ace/mode/c_cpp";
}).call(Mode.prototype);

exports.Mode = Mode;
});

ace.define("ace/mode/dart_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/doc_comment_highlight_rules","ace/mode/text_highlight_rules"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

var DartHighlightRules = function() {

    var constantLanguage = "true|false|null";
    var variableLanguage = "this|super";
    var keywordControl = "try|catch|finally|throw|rethrow|assert|break|case|continue|default|do|else|for|if|in|return|switch|while|new|deferred|async|await";
    var keywordDeclaration = "abstract|class|extends|external|factory|implements|get|native|operator|set|typedef|with|enum";
    var storageModifier = "static|final|const";
    var storageType = "void|bool|num|int|double|dynamic|var|String";

    var keywordMapper = this.createKeywordMapper({
        "constant.language.dart": constantLanguage,
        "variable.language.dart": variableLanguage,
        "keyword.control.dart": keywordControl,
        "keyword.declaration.dart": keywordDeclaration,
        "storage.modifier.dart": storageModifier,
        "storage.type.primitive.dart": storageType
    }, "identifier");

    var stringfill = {
        token : "string",
        regex : ".+"
    };

    this.$rules = 
        {
    "start": [
        {
            token : "comment",
            regex : /\/\/.*$/
        },
        DocCommentHighlightRules.getStartRule("doc-start"),
        {
            token : "comment", // multi line comment
            regex : /\/\*/,
            next : "comment"
        },
        {
            token: ["meta.preprocessor.script.dart"],
            regex: "^(#!.*)$"
        },
        {
            token: "keyword.other.import.dart",
            regex: "(?:\\b)(?:library|import|export|part|of|show|hide)(?:\\b)"
        },
        {
            token : ["keyword.other.import.dart", "text"],
            regex : "(?:\\b)(prefix)(\\s*:)"
        },
        {
            regex: "\\bas\\b",
            token: "keyword.cast.dart"
        },
        {
            regex: "\\?|:",
            token: "keyword.control.ternary.dart"
        },
        {
            regex: "(?:\\b)(is\\!?)(?:\\b)",
            token: ["keyword.operator.dart"]
        },
        {
            regex: "(<<|>>>?|~|\\^|\\||&)",
            token: ["keyword.operator.bitwise.dart"]
        },
        {
            regex: "((?:&|\\^|\\||<<|>>>?)=)",
            token: ["keyword.operator.assignment.bitwise.dart"]
        },
        {
            regex: "(===?|!==?|<=?|>=?)",
            token: ["keyword.operator.comparison.dart"]
        },
        {
            regex: "((?:[+*/%-]|\\~)=)",
            token: ["keyword.operator.assignment.arithmetic.dart"]
        },
        {
            regex: "=",
            token: "keyword.operator.assignment.dart"
        },
        {
            token : "string",
            regex : "'''",
            next : "qdoc"
        }, 
        {
            token : "string",
            regex : '"""',
            next : "qqdoc"
        }, 
        {
            token : "string",
            regex : "'",
            next : "qstring"
        }, 
        {
            token : "string",
            regex : '"',
            next : "qqstring"
        }, 
        {
            regex: "(\\-\\-|\\+\\+)",
            token: ["keyword.operator.increment-decrement.dart"]
        },
        {
            regex: "(\\-|\\+|\\*|\\/|\\~\\/|%)",
            token: ["keyword.operator.arithmetic.dart"]
        },
        {
            regex: "(!|&&|\\|\\|)",
            token: ["keyword.operator.logical.dart"]
        },
        {
            token : "constant.numeric", // hex
            regex : "0[xX][0-9a-fA-F]+\\b"
        }, 
        {
            token : "constant.numeric", // float
            regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
        }, 
        {
            token : keywordMapper,
            regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
        }
    ],
    "comment" : [
        {
            token : "comment", // closing comment
            regex : ".*?\\*\\/",
            next : "start"
        }, {
            token : "comment", // comment spanning whole line
            regex : ".+"
        }
    ],
    "qdoc" : [
        {
            token : "string",
            regex : ".*?'''",
            next : "start"
        }, stringfill],

    "qqdoc" : [
        {
            token : "string",
            regex : '.*?"""',
            next : "start"
        }, stringfill],

    "qstring" : [
        {
            token : "string",
            regex : "[^\\\\']*(?:\\\\.[^\\\\']*)*'",
            next : "start"
        }, stringfill],

    "qqstring" : [
        {
            token : "string",
            regex : '[^\\\\"]*(?:\\\\.[^\\\\"]*)*"',
            next : "start"
        }, stringfill]
}

    this.embedRules(DocCommentHighlightRules, "doc-",
        [ DocCommentHighlightRules.getEndRule("start") ]);
};

oop.inherits(DartHighlightRules, TextHighlightRules);

exports.DartHighlightRules = DartHighlightRules;
});

ace.define("ace/mode/dart",["require","exports","module","ace/lib/oop","ace/mode/c_cpp","ace/mode/dart_highlight_rules","ace/mode/folding/cstyle"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var CMode = require("./c_cpp").Mode;
var DartHighlightRules = require("./dart_highlight_rules").DartHighlightRules;
var CStyleFoldMode = require("./folding/cstyle").FoldMode;

var Mode = function() {
    CMode.call(this);
    this.HighlightRules = DartHighlightRules;
    this.foldingRules = new CStyleFoldMode();
};
oop.inherits(Mode, CMode);

(function() { 
    this.lineCommentStart = "//";
    this.blockComment = {start: "/*", end: "*/"};
    this.$id = "ace/mode/dart";
}).call(Mode.prototype);

exports.Mode = Mode;
});