/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Bespin.
 *
 * The Initial Developer of the Original Code is
 * Mozilla.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Bespin Team (bespin@mozilla.com)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

"define metadata";
({
    "description": "JavaScript syntax highlighter",
    "dependencies": { "settings": "0.0.0", "standard_syntax": "0.0.0" },
    "environments": { "worker": true },
    "provides": [
        {
            "ep": "syntax",
            "name": "js",
            "pointer": "#JSSyntax",
            "fileexts": [ "js", "json" ],
            "settings": [ "specialmodules" ]
        },
        {
            "ep": "setting",
            "name": "specialmodules",
            "description": "Regex that matches special modules",
            "type": "text",
            "defaultValue": "^jetpack\\.[^\"']+"
        }
    ]
});
"end";

var StandardSyntax = require('standard_syntax').StandardSyntax;

var states = {
    start: [
        {
            regex:  /^var(?=\s*([A-Za-z_$][A-Za-z0-9_$]*)\s*=\s*require\s*\(\s*['"]([^'"]*)['"]\s*\)\s*[;,])/,
            tag:    'keyword',
            symbol: '$1:$2'
        },
        {
            regex:  /^(?:break|case|catch|continue|default|delete|do|else|false|finally|for|function|if|in|instanceof|let|new|null|return|switch|this|throw|true|try|typeof|var|void|while|with)(?![a-zA-Z0-9_])/,
            tag:    'keyword'
        },
        {
            regex:  /^require/,
            tag:    'builtin',
            then:   'require'
        },
        {
            regex:  /^[A-Za-z_][A-Za-z0-9_]*/,
            tag:    'plain'
        },
        {
            regex:  /^[^'"\/ \tA-Za-z0-9_]+/,
            tag:    'plain'
        },
        {
            regex:  /^[ \t]+/,
            tag:    'plain'
        },
        {
            regex:  /^'(?=.)/,
            tag:    'string',
            then:   'qstring'
        },
        {
            regex:  /^"(?=.)/,
            tag:    'string',
            then:   'qqstring'
        },
        {
            regex:  /^\/\/.*/,
            tag:    'comment'
        },
        {
            regex:  /^\/\*/,
            tag:    'comment',
            then:   'comment'
        },
        {
            regex:  /^./,
            tag:    'plain'
        }
    ],

    qstring: [
        {
            regex:  /^(?:\\.|[^'\\])*'?/,
            tag:    'string',
            then:   'start'
        }
    ],

    qqstring: [
        {
            regex:  /^(?:\\.|[^"\\])*"?/,
            tag:    'string',
            then:   'start'
        }
    ],

    comment: [
        {
            regex:  /^[^*\/]+/,
            tag:    'comment'
        },
        {
            regex:  /^\*\//,
            tag:    'comment',
            then:   'start'
        },
        {
            regex:  /^[*\/]/,
            tag:    'comment'
        }
    ],

    /* Special handling for "require" */

    require: [
        {
            regex:  /^\(["']/,
            tag:    'plain',
            then:   'requireBody'
        },
        {
            regex:  /^/,
            tag:    'plain',
            then:   'start'
        }
    ],

    requireBody: [
        {
            regexSetting:   'specialmodules',
            tag:            'specialmodule',
            then:           'requireEnd'
        },
        {
            regex:  /^[^"']+/,
            tag:    'module',
            then:   'requireEnd'
        }
    ],

    requireEnd: [
        {
            regex:  /^["']?/,
            tag:    'plain',
            then:   'start'
        }
    ]
};

exports.JSSyntax = new StandardSyntax(states);

