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 *       notice, this list of conditions and the following disclaimer.
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 *       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
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ace.define('ace/mode/python', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/mode/python_highlight_rules', 'ace/mode/folding/pythonic', 'ace/range'], function(require, exports, module) {


var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var PythonHighlightRules = require("./python_highlight_rules").PythonHighlightRules;
var PythonFoldMode = require("./folding/pythonic").FoldMode;
var Range = require("../range").Range;

var Mode = function() {
    this.HighlightRules = PythonHighlightRules;
    this.foldingRules = new PythonFoldMode("\\:");
};
oop.inherits(Mode, TextMode);

(function() {

    this.lineCommentStart = "#";

    this.getNextLineIndent = function(state, line, tab) {
        var indent = this.$getIndent(line);

        var tokenizedLine = this.getTokenizer().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.getTokenizer().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));
    };

    this.$id = "ace/mode/python";
}).call(Mode.prototype);

exports.Mode = Mode;
});

ace.define('ace/mode/python_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 PythonHighlightRules = function() {

    var keywords = (
        "and|as|assert|break|class|continue|def|del|elif|else|except|exec|" +
        "finally|for|from|global|if|import|in|is|lambda|not|or|pass|print|" +
        "raise|return|try|while|with|yield"
    );

    var builtinConstants = (
        "True|False|None|NotImplemented|Ellipsis|__debug__"
    );

    var builtinFunctions = (
        "abs|divmod|input|open|staticmethod|all|enumerate|int|ord|str|any|" +
        "eval|isinstance|pow|sum|basestring|execfile|issubclass|print|super|" +
        "binfile|iter|property|tuple|bool|filter|len|range|type|bytearray|" +
        "float|list|raw_input|unichr|callable|format|locals|reduce|unicode|" +
        "chr|frozenset|long|reload|vars|classmethod|getattr|map|repr|xrange|" +
        "cmp|globals|max|reversed|zip|compile|hasattr|memoryview|round|" +
        "__import__|complex|hash|min|set|apply|delattr|help|next|setattr|" +
        "buffer|dict|hex|object|slice|coerce|dir|id|oct|sorted|intern"
    );
    var keywordMapper = this.createKeywordMapper({
        "invalid.deprecated": "debugger",
        "support.function": builtinFunctions,
        "constant.language": builtinConstants,
        "keyword": keywords
    }, "identifier");

    var strPre = "(?:r|u|ur|R|U|UR|Ur|uR)?";

    var decimalInteger = "(?:(?:[1-9]\\d*)|(?:0))";
    var octInteger = "(?:0[oO]?[0-7]+)";
    var hexInteger = "(?:0[xX][\\dA-Fa-f]+)";
    var binInteger = "(?:0[bB][01]+)";
    var integer = "(?:" + decimalInteger + "|" + octInteger + "|" + hexInteger + "|" + binInteger + ")";

    var exponent = "(?:[eE][+-]?\\d+)";
    var fraction = "(?:\\.\\d+)";
    var intPart = "(?:\\d+)";
    var pointFloat = "(?:(?:" + intPart + "?" + fraction + ")|(?:" + intPart + "\\.))";
    var exponentFloat = "(?:(?:" + pointFloat + "|" +  intPart + ")" + exponent + ")";
    var floatNumber = "(?:" + exponentFloat + "|" + pointFloat + ")";

    var stringEscape =  "\\\\(x[0-9A-Fa-f]{2}|[0-7]{3}|[\\\\abfnrtv'\"]|U[0-9A-Fa-f]{8}|u[0-9A-Fa-f]{4})";

    this.$rules = {
        "start" : [ {
            token : "comment",
            regex : "#.*$"
        }, {
            token : "string",           // multi line """ string start
            regex : strPre + '"{3}',
            next : "qqstring3"
        }, {
            token : "string",           // " string
            regex : strPre + '"(?=.)',
            next : "qqstring"
        }, {
            token : "string",           // multi line ''' string start
            regex : strPre + "'{3}",
            next : "qstring3"
        }, {
            token : "string",           // ' string
            regex : strPre + "'(?=.)",
            next : "qstring"
        }, {
            token : "constant.numeric", // imaginary
            regex : "(?:" + floatNumber + "|\\d+)[jJ]\\b"
        }, {
            token : "constant.numeric", // float
            regex : floatNumber
        }, {
            token : "constant.numeric", // long integer
            regex : integer + "[lL]\\b"
        }, {
            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 : "[\\]\\)\\}]"
        }, {
            token : "text",
            regex : "\\s+"
        } ],
        "qqstring3" : [ {
            token : "constant.language.escape",
            regex : stringEscape
        }, {
            token : "string", // multi line """ string end
            regex : '"{3}',
            next : "start"
        }, {
            defaultToken : "string"
        } ],
        "qstring3" : [ {
            token : "constant.language.escape",
            regex : stringEscape
        }, {
            token : "string",  // multi line ''' string end
            regex : "'{3}",
            next : "start"
        }, {
            defaultToken : "string"
        } ],
        "qqstring" : [{
            token : "constant.language.escape",
            regex : stringEscape
        }, {
            token : "string",
            regex : "\\\\$",
            next  : "qqstring"
        }, {
            token : "string",
            regex : '"|$',
            next  : "start"
        }, {
            defaultToken: "string"
        }],
        "qstring" : [{
            token : "constant.language.escape",
            regex : stringEscape
        }, {
            token : "string",
            regex : "\\\\$",
            next  : "qstring"
        }, {
            token : "string",
            regex : "'|$",
            next  : "start"
        }, {
            defaultToken: "string"
        }]
    };
};

oop.inherits(PythonHighlightRules, TextHighlightRules);

exports.PythonHighlightRules = PythonHighlightRules;
});

ace.define('ace/mode/folding/pythonic', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/folding/fold_mode'], function(require, exports, module) {


var oop = require("../../lib/oop");
var BaseFoldMode = require("./fold_mode").FoldMode;

var FoldMode = exports.FoldMode = function(markers) {
    this.foldingStartMarker = new RegExp("([\\[{])(?:\\s*)$|(" + markers + ")(?:\\s*)(?:#.*)?$");
};
oop.inherits(FoldMode, BaseFoldMode);

(function() {

    this.getFoldWidgetRange = function(session, foldStyle, row) {
        var line = session.getLine(row);
        var match = line.match(this.foldingStartMarker);
        if (match) {
            if (match[1])
                return this.openingBracketBlock(session, match[1], row, match.index);
            if (match[2])
                return this.indentationBlock(session, row, match.index + match[2].length);
            return this.indentationBlock(session, row);
        }
    }

}).call(FoldMode.prototype);

});
