/* ***** 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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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define(function (require, exports, module) {
    "use strict";

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

    var AppleScriptHighlightRules = function () {
        // regexp must not have capturing parentheses. Use (?:) instead.
        // regexps are ordered -> the first match is used
        var keywords = (
            "about|above|after|against|and|around|as|at|back|before|beginning|" +
            "behind|below|beneath|beside|between|but|by|considering|" +
            "contain|contains|continue|copy|div|does|eighth|else|end|equal|" +
            "equals|error|every|exit|fifth|first|for|fourth|from|front|" +
            "get|given|global|if|ignoring|in|into|is|it|its|last|local|me|" +
            "middle|mod|my|ninth|not|of|on|onto|or|over|prop|property|put|ref|" +
            "reference|repeat|returning|script|second|set|seventh|since|" +
            "sixth|some|tell|tenth|that|the|then|third|through|thru|" +
            "timeout|times|to|transaction|try|until|where|while|whose|with|without"
        );

        var builtinConstants = (
            "AppleScript|false|linefeed|return|pi|quote|result|space|tab|true"
        );

        var builtinFunctions = (
            "activate|beep|count|delay|launch|log|offset|read|round|run|say|" +
            "summarize|write"
        );

        var builtinTypes = (
            "alias|application|boolean|class|constant|date|file|integer|list|" +
            "number|real|record|string|text|character|characters|contents|day|" +
            "frontmost|id|item|length|month|name|paragraph|paragraphs|rest|" +
            "reverse|running|time|version|weekday|word|words|year"
        );

        var keywordMapper = this.createKeywordMapper({
            "support.function": builtinFunctions,
            "constant.language": builtinConstants,
            "support.type": builtinTypes,
            "keyword": keywords
        }, "identifier");

        this.$rules = {
            "start": [
                {
                    token: "comment",
                    regex: "--.*$"
                },
                {
                    token: "comment", // multi line comment
                    regex: "\\(\\*",
                    next: "comment"
                },
                {
                    token: "string",           // " string
                    regex: '".*?"'
                },
                {
                    token: "support.type",
                    regex: '\\b(POSIX file|POSIX path|(date|time) string|quoted form)\\b'
                },
                {
                    token: "support.function",
                    regex: '\\b(clipboard info|the clipboard|info for|list (disks|folder)|' +
                    'mount volume|path to|(close|open for) access|(get|set) eof|' +
                    'current date|do shell script|get volume settings|random number|' +
                    'set volume|system attribute|system info|time to GMT|' +
                    '(load|run|store) script|scripting components|' +
                    'ASCII (character|number)|localized string|' +
                    'choose (application|color|file|file name|' +
                    'folder|from list|remote application|URL)|' +
                    'display (alert|dialog))\\b|^\\s*return\\b'
                },
                {
                    token: "constant.language",
                    regex: '\\b(text item delimiters|current application|missing value)\\b'
                },
                {
                    token: "keyword",
                    regex: '\\b(apart from|aside from|instead of|out of|greater than|' +
                    "isn't|(doesn't|does not) (equal|come before|come after|contain)|" +
                    '(greater|less) than( or equal)?|(starts?|ends|begins?) with|' +
                    'contained by|comes (before|after)|a (ref|reference))\\b'
                },
                {
                    token: keywordMapper,
                    regex: "[a-zA-Z][a-zA-Z0-9_]*\\b"
                }
            ],
            "comment": [
                {
                    token: "comment", // closing comment
                    regex: "\\*\\)",
                    next: "start"
                }, {
                    defaultToken: "comment"
                }
            ]
        }

        this.normalizeRules();
    };

    oop.inherits(AppleScriptHighlightRules, TextHighlightRules);

    exports.AppleScriptHighlightRules = AppleScriptHighlightRules;
});
