/lenasys/trunk

/* ***** BEGIN LICENSE BLOCK *****

 * Distributed under the BSD license:

 *

 * Copyright (c) 2010, 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

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * ***** END LICENSE BLOCK ***** */

define('ace/mode/sh', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/sh_highlight_rules', 'ace/range'], function(require, exports, module) {

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

var TextMode = require("./text").Mode;

var Tokenizer = require("../tokenizer").Tokenizer;

var ShHighlightRules = require("./sh_highlight_rules").ShHighlightRules;

var Range = require("../range").Range;

var Mode = function() {

    this.$tokenizer = new Tokenizer(new ShHighlightRules().getRules());

};

oop.inherits(Mode, TextMode);

(function() {

    this.lineCommentStart = "#";

    this.getNextLineIndent = function(state, line, tab) {

        var indent = this.$getIndent(line);

        var tokenizedLine = this.$tokenizer.getLineTokens(line, state);

        var tokens = tokenizedLine.tokens;

        if (tokens.length && tokens[tokens.length-1].type == "comment") {

            return indent;

        }

        if (state == "start") {

            var match = line.match(/^.*[\{\(\[\:]\s*$/);

            if (match) {

                indent += tab;

            }

        }

        return indent;

    };

    var outdents = {

        "pass": 1,

        "return": 1,

        "raise": 1,

        "break": 1,

        "continue": 1

    };

    this.checkOutdent = function(state, line, input) {

        if (input !== "\r\n" && input !== "\r" && input !== "\n")

            return false;

        var tokens = this.$tokenizer.getLineTokens(line.trim(), state).tokens;

        if (!tokens)

            return false;

        do {

            var last = tokens.pop();

        } while (last && (last.type == "comment" || (last.type == "text" && last.value.match(/^\s+$/))));

        if (!last)

            return false;

        return (last.type == "keyword" && outdents[last.value]);

    };

    this.autoOutdent = function(state, doc, row) {

        row += 1;

        var indent = this.$getIndent(doc.getLine(row));

        var tab = doc.getTabString();

        if (indent.slice(-tab.length) == tab)

            doc.remove(new Range(row, indent.length-tab.length, row, indent.length));

    };

}).call(Mode.prototype);

exports.Mode = Mode;

});

define('ace/mode/sh_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text_highlight_rules'], function(require, exports, module) {

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

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

var reservedKeywords = exports.reservedKeywords = (

        '!|{|}|case|do|done|elif|else|'+

        'esac|fi|for|if|in|then|until|while|'+

        '&|;|export|local|read|typeset|unset|'+

        'elif|select|set'

    );

var languageConstructs = exports.languageConstructs = (

    '[|]|alias|bg|bind|break|builtin|'+

     'cd|command|compgen|complete|continue|'+

     'dirs|disown|echo|enable|eval|exec|'+

     'exit|fc|fg|getopts|hash|help|history|'+

     'jobs|kill|let|logout|popd|printf|pushd|'+

     'pwd|return|set|shift|shopt|source|'+

     'suspend|test|times|trap|type|ulimit|'+

     'umask|unalias|wait'

);

var ShHighlightRules = function() {

    var keywordMapper = this.createKeywordMapper({

        "keyword": reservedKeywords,

        "support.function.builtin": languageConstructs,

        "invalid.deprecated": "debugger"

    }, "identifier");

    var integer = "(?:(?:[1-9]\\d*)|(?:0))";

    var fraction = "(?:\\.\\d+)";

    var intPart = "(?:\\d+)";

    var pointFloat = "(?:(?:" + intPart + "?" + fraction + ")|(?:" + intPart + "\\.))";

    var exponentFloat = "(?:(?:" + pointFloat + "|" +  intPart + ")" + ")";

    var floatNumber = "(?:" + exponentFloat + "|" + pointFloat + ")";

    var fileDescriptor = "(?:&" + intPart + ")";

    var variableName = "[a-zA-Z][a-zA-Z0-9_]*";

    var variable = "(?:(?:\\$" + variableName + ")|(?:" + variableName + "=))";

    var builtinVariable = "(?:\\$(?:SHLVL|\\$|\\!|\\?))";

    var func = "(?:" + variableName + "\\s*\\(\\))";

    this.$rules = {

        "start" : [ {

            token : ["text", "comment"],

            regex : /(^|\s)(#.*)$/

        }, {

            token : "string",           // " string

            regex : '"(?:[^\\\\]|\\\\.)*?"'

        }, {

            token : "variable.language",

            regex : builtinVariable

        }, {

            token : "variable",

            regex : variable

        }, {

            token : "support.function",

            regex : func

        }, {

            token : "support.function",

            regex : fileDescriptor

        }, {

            token : "string",           // ' string

            regex : "'(?:[^\\\\]|\\\\.)*?'"

        }, {

            token : "constant.numeric", // float

            regex : floatNumber

        }, {

            token : "constant.numeric", // integer

            regex : integer + "\\b"

        }, {

            token : keywordMapper,

            regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"

        }, {

            token : "keyword.operator",

            regex : "\\+|\\-|\\*|\\*\\*|\\/|\\/\\/|~|<|>|<=|=>|=|!="

        }, {

            token : "paren.lparen",

            regex : "[\\[\\(\\{]"

        }, {

            token : "paren.rparen",

            regex : "[\\]\\)\\}]"

        } ]

    };

};

oop.inherits(ShHighlightRules, TextHighlightRules);

exports.ShHighlightRules = ShHighlightRules;

});