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

ace.define("ace/mode/jack_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 JackHighlightRules = function() {
    this.$rules = {
        "start" : [
            {
                token : "string",
                regex : '"',
                next  : "string2"
            }, {
                token : "string",
                regex : "'",
                next  : "string1"
            }, {
                token : "constant.numeric", // hex
                regex: "-?0[xX][0-9a-fA-F]+\\b"
            }, {
                token : "constant.numeric", // float
                regex : "(?:0|[-+]?[1-9][0-9]*)\\b"
            }, {
                token : "constant.binary",
                regex : "<[0-9A-Fa-f][0-9A-Fa-f](\\s+[0-9A-Fa-f][0-9A-Fa-f])*>"
            }, {
                token : "constant.language.boolean",
                regex : "(?:true|false)\\b"
            }, {
                token : "constant.language.null",
                regex : "null\\b"
            }, {
                token : "storage.type",
                regex: "(?:Integer|Boolean|Null|String|Buffer|Tuple|List|Object|Function|Coroutine|Form)\\b"
            }, {
                token : "keyword",
                regex : "(?:return|abort|vars|for|delete|in|is|escape|exec|split|and|if|elif|else|while)\\b"
            }, {
                token : "language.builtin",
                regex : "(?:lines|source|parse|read-stream|interval|substr|parseint|write|print|range|rand|inspect|bind|i-values|i-pairs|i-map|i-filter|i-chunk|i-all\\?|i-any\\?|i-collect|i-zip|i-merge|i-each)\\b"
            }, {
                token : "comment",
                regex : "--.*$"
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "storage.form",
                regex : "@[a-z]+"
            }, {
                token : "constant.other.symbol",
                regex : ':+[a-zA-Z_]([-]?[a-zA-Z0-9_])*[?!]?'
            }, {
                token : "variable",
                regex : '[a-zA-Z_]([-]?[a-zA-Z0-9_])*[?!]?'
            }, {
                token : "keyword.operator",
                regex : "\\|\\||\\^\\^|&&|!=|==|<=|<|>=|>|\\+|-|\\*|\\/|\\^|\\%|\\#|\\!"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "string1" : [
            {
                token : "constant.language.escape",
                regex : /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|['"\\\/bfnrt])/
            }, {
                token : "string",
                regex : "[^'\\\\]+"
            }, {
                token : "string",
                regex : "'",
                next  : "start"
            }, {
                token : "string",
                regex : "",
                next  : "start"
            }
        ],
        "string2" : [
            {
                token : "constant.language.escape",
                regex : /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|['"\\\/bfnrt])/
            }, {
                token : "string",
                regex : '[^"\\\\]+'
            }, {
                token : "string",
                regex : '"',
                next  : "start"
            }, {
                token : "string",
                regex : "",
                next  : "start"
            }
        ]
    };
    
};

oop.inherits(JackHighlightRules, TextHighlightRules);

exports.JackHighlightRules = JackHighlightRules;
});

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/jack",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/jack_highlight_rules","ace/mode/matching_brace_outdent","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 HighlightRules = require("./jack_highlight_rules").JackHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
var CStyleFoldMode = require("./folding/cstyle").FoldMode;

var Mode = function() {
    this.HighlightRules = HighlightRules;
    this.$outdent = new MatchingBraceOutdent();
    this.$behaviour = new CstyleBehaviour();
    this.foldingRules = new CStyleFoldMode();
};
oop.inherits(Mode, TextMode);

(function() {

    this.lineCommentStart = "--";

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

        if (state == "start") {
            var match = line.match(/^.*[\{\(\[]\s*$/);
            if (match) {
                indent += tab;
            }
        }

        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/jack";
}).call(Mode.prototype);

exports.Mode = Mode;
});