overleaf/services/web/public/js/ace-1.2.9/mode-sh.js

ace.define("ace/mode/sh_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/text_highlight_rules"], function(require, exports, module) {
"use strict";

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|function|declare|readonly'
    );

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 + "(?==))";

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

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

    this.$rules = {
        "start" : [{
            token : "constant",
            regex : /\\./
        }, {
            token : ["text", "comment"],
            regex : /(^|\s)(#.*)$/
        }, {
            token : "string.start",
            regex : '"',
            push : [{
                token : "constant.language.escape",
                regex : /\\(?:[$`"\\]|$)/
            }, {
                include : "variables"
            }, {
                token : "keyword.operator",
                regex : /`/ // TODO highlight `
            }, {
                token : "string.end",
                regex : '"',
                next: "pop"
            }, {
                defaultToken: "string"
            }]
        }, {
            token : "string",
            regex : "\\$'",
            push : [{
                token : "constant.language.escape",
                regex : /\\(?:[abeEfnrtv\\'"]|x[a-fA-F\d]{1,2}|u[a-fA-F\d]{4}([a-fA-F\d]{4})?|c.|\d{1,3})/
            }, {
                token : "string",
                regex : "'",
                next: "pop"
            }, {
                defaultToken: "string"
            }]
        }, {
            regex : "<<<",
            token : "keyword.operator"
        }, {
            stateName: "heredoc",
            regex : "(<<-?)(\\s*)(['\"`]?)([\\w\\-]+)(['\"`]?)",
            onMatch : function(value, currentState, stack) {
                var next = value[2] == '-' ? "indentedHeredoc" : "heredoc";
                var tokens = value.split(this.splitRegex);
                stack.push(next, tokens[4]);
                return [
                    {type:"constant", value: tokens[1]},
                    {type:"text", value: tokens[2]},
                    {type:"string", value: tokens[3]},
                    {type:"support.class", value: tokens[4]},
                    {type:"string", value: tokens[5]}
                ];
            },
            rules: {
                heredoc: [{
                    onMatch:  function(value, currentState, stack) {
                        if (value === stack[1]) {
                            stack.shift();
                            stack.shift();
                            this.next = stack[0] || "start";
                            return "support.class";
                        }
                        this.next = "";
                        return "string";
                    },
                    regex: ".*$",
                    next: "start"
                }],
                indentedHeredoc: [{
                    token: "string",
                    regex: "^\t+"
                }, {
                    onMatch:  function(value, currentState, stack) {
                        if (value === stack[1]) {
                            stack.shift();
                            stack.shift();
                            this.next = stack[0] || "start";
                            return "support.class";
                        }
                        this.next = "";
                        return "string";
                    },
                    regex: ".*$",
                    next: "start"
                }]
            }
        }, {
            regex : "$",
            token : "empty",
            next : function(currentState, stack) {
                if (stack[0] === "heredoc" || stack[0] === "indentedHeredoc")
                    return stack[0];
                return currentState;
            }
        }, {
            token : ["keyword", "text", "text", "text", "variable"],
            regex : /(declare|local|readonly)(\s+)(?:(-[fixar]+)(\s+))?([a-zA-Z_][a-zA-Z0-9_]*\b)/
        }, {
            token : "variable.language",
            regex : builtinVariable
        }, {
            token : "variable",
            regex : variable
        }, {
            include : "variables"
        }, {
            token : "support.function",
            regex : func
        }, {
            token : "support.function",
            regex : fileDescriptor
        }, {
            token : "string",           // ' string
            start : "'", end : "'"
        }, {
            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 : "punctuation.operator",
            regex : ";"
        }, {
            token : "paren.lparen",
            regex : "[\\[\\(\\{]"
        }, {
            token : "paren.rparen",
            regex : "[\\]]"
        }, {
            token : "paren.rparen",
            regex : "[\\)\\}]",
            next : "pop"
        }],
        variables: [{
            token : "variable",
            regex : /(\$)(\w+)/
        }, {
            token : ["variable", "paren.lparen"],
            regex : /(\$)(\()/,
            push : "start"
        }, {
            token : ["variable", "paren.lparen", "keyword.operator", "variable", "keyword.operator"],
            regex : /(\$)(\{)([#!]?)(\w+|[*@#?\-$!0_])(:[?+\-=]?|##?|%%?|,,?\/|\^\^?)?/,
            push : "start"
        }, {
            token : "variable",
            regex : /\$[*@#?\-$!0_]/
        }, {
            token : ["variable", "paren.lparen"],
            regex : /(\$)(\{)/,
            push : "start"
        }]
    };
    
    this.normalizeRules();
};

oop.inherits(ShHighlightRules, TextHighlightRules);

exports.ShHighlightRules = ShHighlightRules;
});

ace.define("ace/mode/folding/cstyle",["require","exports","module","ace/lib/oop","ace/range","ace/mode/folding/fold_mode"], function(require, exports, module) {
"use strict";

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

var FoldMode = exports.FoldMode = function(commentRegex) {
    if (commentRegex) {
        this.foldingStartMarker = new RegExp(
            this.foldingStartMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.start)
        );
        this.foldingStopMarker = new RegExp(
            this.foldingStopMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.end)
        );
    }
};
oop.inherits(FoldMode, BaseFoldMode);

(function() {
    
    this.foldingStartMarker = /([\{\[\(])[^\}\]\)]*$|^\s*(\/\*)/;
    this.foldingStopMarker = /^[^\[\{\(]*([\}\]\)])|^[\s\*]*(\*\/)/;
    this.singleLineBlockCommentRe= /^\s*(\/\*).*\*\/\s*$/;
    this.tripleStarBlockCommentRe = /^\s*(\/\*\*\*).*\*\/\s*$/;
    this.startRegionRe = /^\s*(\/\*|\/\/)#?region\b/;
    this._getFoldWidgetBase = this.getFoldWidget;
    this.getFoldWidget = function(session, foldStyle, row) {
        var line = session.getLine(row);
    
        if (this.singleLineBlockCommentRe.test(line)) {
            if (!this.startRegionRe.test(line) && !this.tripleStarBlockCommentRe.test(line))
                return "";
        }
    
        var fw = this._getFoldWidgetBase(session, foldStyle, row);
    
        if (!fw && this.startRegionRe.test(line))
            return "start"; // lineCommentRegionStart
    
        return fw;
    };

    this.getFoldWidgetRange = function(session, foldStyle, row, forceMultiline) {
        var line = session.getLine(row);
        
        if (this.startRegionRe.test(line))
            return this.getCommentRegionBlock(session, line, row);
        
        var match = line.match(this.foldingStartMarker);
        if (match) {
            var i = match.index;

            if (match[1])
                return this.openingBracketBlock(session, match[1], row, i);
                
            var range = session.getCommentFoldRange(row, i + match[0].length, 1);
            
            if (range && !range.isMultiLine()) {
                if (forceMultiline) {
                    range = this.getSectionRange(session, row);
                } else if (foldStyle != "all")
                    range = null;
            }
            
            return range;
        }

        if (foldStyle === "markbegin")
            return;

        var match = line.match(this.foldingStopMarker);
        if (match) {
            var i = match.index + match[0].length;

            if (match[1])
                return this.closingBracketBlock(session, match[1], row, i);

            return session.getCommentFoldRange(row, i, -1);
        }
    };
    
    this.getSectionRange = function(session, row) {
        var line = session.getLine(row);
        var startIndent = line.search(/\S/);
        var startRow = row;
        var startColumn = line.length;
        row = row + 1;
        var endRow = row;
        var maxRow = session.getLength();
        while (++row < maxRow) {
            line = session.getLine(row);
            var indent = line.search(/\S/);
            if (indent === -1)
                continue;
            if  (startIndent > indent)
                break;
            var subRange = this.getFoldWidgetRange(session, "all", row);
            
            if (subRange) {
                if (subRange.start.row <= startRow) {
                    break;
                } else if (subRange.isMultiLine()) {
                    row = subRange.end.row;
                } else if (startIndent == indent) {
                    break;
                }
            }
            endRow = row;
        }
        
        return new Range(startRow, startColumn, endRow, session.getLine(endRow).length);
    };
    this.getCommentRegionBlock = function(session, line, row) {
        var startColumn = line.search(/\s*$/);
        var maxRow = session.getLength();
        var startRow = row;
        
        var re = /^\s*(?:\/\*|\/\/|--)#?(end)?region\b/;
        var depth = 1;
        while (++row < maxRow) {
            line = session.getLine(row);
            var m = re.exec(line);
            if (!m) continue;
            if (m[1]) depth--;
            else depth++;

            if (!depth) break;
        }

        var endRow = row;
        if (endRow > startRow) {
            return new Range(startRow, startColumn, endRow, line.length);
        }
    };

}).call(FoldMode.prototype);

});

ace.define("ace/mode/sh",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/sh_highlight_rules","ace/range","ace/mode/folding/cstyle","ace/mode/behaviour/cstyle"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var ShHighlightRules = require("./sh_highlight_rules").ShHighlightRules;
var Range = require("../range").Range;
var CStyleFoldMode = require("./folding/cstyle").FoldMode;
var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;

var Mode = function() {
    this.HighlightRules = ShHighlightRules;
    this.foldingRules = new CStyleFoldMode();
    this.$behaviour = new CstyleBehaviour();
};
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/sh";
}).call(Mode.prototype);

exports.Mode = Mode;
});