/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2012, Ajax.org B.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ***** END LICENSE BLOCK ***** */


define(function (require, exports, module) {
    "use strict";

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

    var MazeHighlightRules = function () {
        // regexp must not have capturing parentheses. Use (?:) instead.
        // regexps are ordered -> the first match is used

        this.$rules = {
            start: [{
                token: "keyword.control",
                regex: /##|``/,
                comment: "Wall"
            }, {
                token: "entity.name.tag",
                regex: /\.\./,
                comment: "Path"
            }, {
                token: "keyword.control",
                regex: /<>/,
                comment: "Splitter"
            }, {
                token: "entity.name.tag",
                regex: /\*[\*A-Za-z0-9]/,
                comment: "Signal"
            }, {
                token: "constant.numeric",
                regex: /[0-9]{2}/,
                comment: "Pause"
            }, {
                token: "keyword.control",
                regex: /\^\^/,
                comment: "Start"
            }, {
                token: "keyword.control",
                regex: /\(\)/,
                comment: "Hole"
            }, {
                token: "support.function",
                regex: />>/,
                comment: "Out"
            }, {
                token: "support.function",
                regex: />\//,
                comment: "Ln Out"
            }, {
                token: "support.function",
                regex: /<</,
                comment: "In"
            }, {
                token: "keyword.control",
                regex: /--/,
                comment: "One use"
            }, {
                token: "constant.language",
                regex: /%[LRUDNlrudn]/,
                comment: "Direction"
            }, {
                token: [
                    "entity.name.function",
                    "keyword.other",
                    "keyword.operator",
                    "keyword.other",
                    "keyword.operator",
                    "constant.numeric",
                    "keyword.operator",
                    "keyword.other",
                    "keyword.operator",
                    "constant.numeric",
                    "string.quoted.double",
                    "string.quoted.single"
                ],
                regex: /([A-Za-z][A-Za-z0-9])( *-> *)(?:([-+*\/]=)( *)((?:-)?)([0-9]+)|(=)( *)(?:((?:-)?)([0-9]+)|("[^"]*")|('[^']*')))/,
                comment: "Assignment function"
            }, {
                token: [
                    "entity.name.function",
                    "keyword.other",
                    "keyword.control",
                    "keyword.other",
                    "keyword.operator",
                    "keyword.other",
                    "keyword.operator",
                    "constant.numeric",
                    "entity.name.tag",
                    "keyword.other",
                    "keyword.control",
                    "keyword.other",
                    "constant.language",
                    "keyword.other",
                    "keyword.control",
                    "keyword.other",
                    "constant.language"
                ],
                regex: /([A-Za-z][A-Za-z0-9])( *-> *)(IF|if)( *)(?:([<>]=?|==)( *)((?:-)?)([0-9]+)|(\*[\*A-Za-z0-9]))( *)(THEN|then)( *)(%[LRUDNlrudn])(?:( *)(ELSE|else)( *)(%[LRUDNlrudn]))?/,
                comment: "Equality Function"
            }, {
                token: "entity.name.function",
                regex: /[A-Za-z][A-Za-z0-9]/,
                comment: "Function cell"
            }, {
                token: "comment.line.double-slash",
                regex: / *\/\/.*/,
                comment: "Comment"
            }]
        };

        this.normalizeRules();
    };

    MazeHighlightRules.metaData = {
        fileTypes: ["mz"],
        name: "Maze",
        scopeName: "source.maze"
    };


    oop.inherits(MazeHighlightRules, TextHighlightRules);

    exports.MazeHighlightRules = MazeHighlightRules;
});
