overleaf/services/web/public/js/ace-1.2.9/mode-elm.js

ace.define("ace/mode/elm_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 ElmHighlightRules = function() {
    var keywordMapper = this.createKeywordMapper({
       "keyword": "as|case|class|data|default|deriving|do|else|export|foreign|" +
            "hiding|jsevent|if|import|in|infix|infixl|infixr|instance|let|" +
            "module|newtype|of|open|then|type|where|_|port|\u03BB"
    }, "identifier");
    
    var escapeRe = /\\(\d+|['"\\&trnbvf])/;
    
    var smallRe = /[a-z_]/.source;
    var largeRe = /[A-Z]/.source;
    var idRe = /[a-z_A-Z0-9']/.source;

    this.$rules = {
        start: [{
            token: "string.start",
            regex: '"',
            next: "string"
        }, {
            token: "string.character",
            regex: "'(?:" + escapeRe.source + "|.)'?"
        }, {
            regex: /0(?:[xX][0-9A-Fa-f]+|[oO][0-7]+)|\d+(\.\d+)?([eE][-+]?\d*)?/,
            token: "constant.numeric"
        }, {
            token: "comment",
            regex: "--.*"
        }, {
            token : "keyword",
            regex : /\.\.|\||:|=|\\|"|->|<-|\u2192/
        }, {
            token : "keyword.operator",
            regex : /[-!#$%&*+.\/<=>?@\\^|~:\u03BB\u2192]+/
        }, {
            token : "operator.punctuation",
            regex : /[,;`]/
        }, {
            regex : largeRe + idRe + "+\\.?",
            token : function(value) {
                if (value[value.length - 1] == ".")
                    return "entity.name.function"; 
                return "constant.language"; 
            }
        }, {
            regex : "^" + smallRe  + idRe + "+",
            token : function(value) {
                return "constant.language"; 
            }
        }, {
            token : keywordMapper,
            regex : "[\\w\\xff-\\u218e\\u2455-\\uffff]+\\b"
        }, {
            regex: "{-#?",
            token: "comment.start",
            onMatch: function(value, currentState, stack) {
                this.next = value.length == 2 ? "blockComment" : "docComment";
                return this.token;
            }
        }, {
            token: "variable.language",
            regex: /\[markdown\|/,
            next: "markdown"
        }, {
            token: "paren.lparen",
            regex: /[\[({]/ 
        }, {
            token: "paren.rparen",
            regex: /[\])}]/
        } ],
        markdown: [{
            regex: /\|\]/,
            next: "start"
        }, {
            defaultToken : "string"
        }],
        blockComment: [{
            regex: "{-",
            token: "comment.start",
            push: "blockComment"
        }, {
            regex: "-}",
            token: "comment.end",
            next: "pop"
        }, {
            defaultToken: "comment"
        }],
        docComment: [{
            regex: "{-",
            token: "comment.start",
            push: "docComment"
        }, {
            regex: "-}",
            token: "comment.end",
            next: "pop" 
        }, {
            defaultToken: "doc.comment"
        }],
        string: [{
            token: "constant.language.escape",
            regex: escapeRe
        }, {
            token: "text",
            regex: /\\(\s|$)/,
            next: "stringGap"
        }, {
            token: "string.end",
            regex: '"',
            next: "start"
        }, {
            defaultToken: "string"
        }],
        stringGap: [{
            token: "text",
            regex: /\\/,
            next: "string"
        }, {
            token: "error",
            regex: "",
            next: "start"
        }]
    };
    
    this.normalizeRules();
};

oop.inherits(ElmHighlightRules, TextHighlightRules);

exports.ElmHighlightRules = ElmHighlightRules;
});

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/elm",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/elm_highlight_rules","ace/mode/folding/cstyle"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var HighlightRules = require("./elm_highlight_rules").ElmHighlightRules;
var FoldMode = require("./folding/cstyle").FoldMode;

var Mode = function() {
    this.HighlightRules = HighlightRules;
    this.foldingRules = new FoldMode();
    this.$behaviour = this.$defaultBehaviour;
};
oop.inherits(Mode, TextMode);

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

exports.Mode = Mode;
});