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JSReg.js
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/* ========================================================================= //
#?
#? DESCRIPTION
#? This file is a copy from (30-mar-10):
#? http://www.businessinfo.co.uk/labs/jsreg/JSReg.js
#?
#? VERSION
#? @(#) JSReg.js 3.2 12/06/09 15:11:25
#?
#? AUTHOR
#? 17-jul-09 Achim Hoffmann, mailto: EnDe (at) my (dash) stp (dot) net
#?
* ========================================================================= */
/*
* JSReg
* Version 3.8.0.12
* BSD License Template
*
* Copyright (c) 2009, Gareth Heyes.
* 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 Gareth Heyes 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
(function(){
var JSReg_Environment = function() {
var msg = '', line, parseTree = [], protection = '$';
function error(d){
if (RegExp.lastMatch) {
msg += '\n' + RegExp.lastMatch;
}
if (RegExp.lastParen) {
msg += '\n' + RegExp.lastParen;
}
throw {
description: d,
msg: msg,
line: line,
parseTree: parseTree
};
}
function objWhitelist(obj, list, noprototype) {
list = list.split(',');
for(var i=0;i<list.length;i++) {
var prop = list[i];
if(noprototype) {
obj[protection+prop+protection] = generateSafeFunc(obj, prop);
} else {
obj.prototype[protection+prop+protection] = generateSafeFunc(obj, prop);
}
}
return obj;
}
function constWhitelist(obj, list, transObj) {
list = list.split(',');
for(var i=0;i<list.length;i++) {
var prop = list[i];
if(transObj) {
transObj[protection+prop+protection] = obj[prop];
} else {
obj[protection+prop+protection] = obj[prop];
}
}
}
function generateSafeFunc(obj, func, noArgsAllowed){
var $window$ = generateSafeFunc[protection+'window'+protection];
return function(){
if(typeof obj['window'] == 'undefined' && obj['window'] === obj) {
return $window$;
}
for (var j = 0; j < arguments.length; j++) {
if (arguments[j] === null) {
return $window$;
}
}
var that = this, args = arguments;
if (!that[func] && obj !== window.window) {
return $window$;
}
var result;
result = (obj === window ? window : that)[func].apply(that, args);
var win = (function(){
return this;
})();
if (result === win) {
return $window$;
}
return result;
};
}
var newLines = /[\r\n]+/,
unicode = /\\u[0-9a-fA-F]{4}/,
natives = /(?:eval|setTimeout|setInterval|Function|window|alert)/,
endStatement = /(?:(?:^\s*|\s*$)|[,]|[;\n\r]+)/, spaces = /\s*/,
variable = new RegExp("(?:(?:[a-zA-Z$_]|" + unicode.source + ")(?:[a-zA-Z0-9_$]|(?:" + unicode.source + "))*)"),
operators = /(?:[!][=]{0,2}|[%][=]?|[&]{1,2}|[&][=]|[*][=]?|[+]{1,2}|[+][=]|[\-]{1,2}|[\-][=]|[\/][=]?|[<]{1,2}[=]?|[=]{1,3}|[>]{1,3}[=]?|[\^][=]?|[|][=]?|[|]{2})/,
functionCalls = new RegExp(spaces.source + '(?:' + variable.source + ')' + spaces.source + '[(]'),
functionDec = new RegExp(spaces.source + '(?:function' + spaces.source + '(?:' + variable.source + ')?)' + spaces.source + '[(](?:' + spaces.source + variable.source + spaces.source + ')?(?:[,]' + spaces.source + variable.source + spaces.source + ')*' + '[)]' + spaces.source + '[{]'),
statements = new RegExp('(?:(?:\\s+(?:in(?:stanceof)?)\\s+)|' + spaces.source + '\\b(?:this|Infinity|NaN|void|do|else|case|default|return|var|continue|undefined|null|new|typeof|throw|break|try|finally|true|false)\\b' + spaces.source + '|' + spaces.source + '\\b(?:if|else\\s' + spaces.source + 'if|with|switch|catch)\\b' + spaces.source + '[(])'),
objects = new RegExp('[.]?' + spaces.source + '(?:' + variable.source + '(?:[.]' + variable.source + ')*)'),
regexpObj = new RegExp("(?:[\\/](?:\\[(?:\\\\[\\]]|[^\\]])+\\]|\\\\[\\/]|[^\\/*])(?:\\[(?:\\\\[\\]]|[^\\]])+|\\\\[\\/]|[^\\/])*?[\\/](?:[gmi]*))"),
regexps = new RegExp('(?:' + endStatement.source + '|' + operators.source + '|[(]+)?' + spaces.source + regexpObj.source + spaces.source + '(?:' + endStatement.source + '|' + operators.source + '|[)]+|(?=' + spaces.source + '[\\[.\\}]))'),
strings = new RegExp("(?:(?:['](?:\\\\{2}|\\\\[']|\\\\[\\r\\n]|[^'])*['])|(?:[\"](?:\\\\{2}|\\\\[\"]|\\\\[\\r\\n]|[^\"])*[\"]))"),
squareOpen = new RegExp(spaces.source+"[\\[]"),
squareClose = new RegExp(spaces.source+"[\\]]"),
loops = new RegExp(spaces.source + '\\b(?:for|while)\\b' + spaces.source + '[\\(](?:' + strings.source + '|' + regexps.source + '|[\\(].*?[\\)]|[^\\(\\)])+' + spaces.source + '[\\)]?\\s*[\\{]?'),
numbers = new RegExp('(?:[0][xX][0-9a-fA-F]*)|(?:[0]|[1-9]\\d+)?(?:[.]?\\d+)+(?:[eE][+-]?\\d+)?'),
objectIdentifiers = new RegExp('[,\\{]' + spaces.source + '(?:' + strings.source + '|' + numbers.source + '|' + variable.source + ')' + spaces.source + '(?=[:])'),
inInstanceofOperator = new RegExp("\\s*in(?:stanceof)?(?=[\\/\\d\"'\\[\\s\\(\\{])"),
comments = new RegExp('(' + strings.source + '|' + numbers.source + '|' + regexpObj.source + '(?:' + operators.source + ')?(?![*\\/])' + '|' + spaces.source + "(?:[\\/](?:\\\\[\\/]|[^\\/*])(?:\\\\[\\/]|[^\\/])*?[\\/](?:[gmi]*))" + spaces.source + ')' + '|((?:^\s*[\\-]{2}[>]|[<][!][\\-]{2}).*(?=[\\r\\n]?)|[\\/]{2}.*(?=[\\r\\n]?))|([\\/][*](?:[\\s]|.)*?[*][\\/])', 'gm'),
mainRegExp = new RegExp('(' + newLines.source + ')|(' + loops.source + ')|(' + inInstanceofOperator.source + ')|' + '(' + statements.source + ')|(' + objectIdentifiers.source + ')|(' + strings.source + ')|' + '(' + regexps.source + ')|' + '(' + numbers.source + ')|' + '(' + squareOpen.source + ')|' + '(' + squareClose.source + ')|' + '(' + functionDec.source + ')|' + '(' + functionCalls.source + ')' + '|(' + objects.source + ')', 'g'),
Parser = function(){
this.init();
};
var allowedProperties = /\b(?:length|global|ignoreCase|input|multiline|source|lastIndex)\b/;
Parser.prototype = {
doc: null,
win: null,
windowExtensions: [],
objectExtensions: [],
debugObjects: {},
extendObject: function(name, value) {
this.objectExtensions.push({
name: name,
value: value
});
},
extendWindow: function(name, value){
this.windowExtensions.push({
name: name,
value: value
});
},
getWindow: function(){
return this.win;
},
setDocument: function(obj){
this.doc = obj;
},
setWindow: function(obj){
this.win = obj;
},
addSymbol: function(symbol){
if (new RegExp('^['+protection+']' + natives.source + '['+protection+']$').test(symbol)) {
return;
}
if (!new RegExp('^['+protection+']' + variable.source + '['+protection+']$').test(symbol)) {
error('Parser error:Invalid symbol');
return;
}
if (typeof this.symbolsMap[symbol] == "undefined") {
this.symbols.push(symbol);
this.symbolsMap[symbol] = true;
}
},
setDebugObjects: function(obj){
this.debugObjects = obj;
},
addGlobals: function(symbols){
var code = '';
for (var i = 0; i < symbols.length; i++) {
code += protection+'window'+protection+'.' + symbols[i] + '=' + symbols[i] + ';';
}
return code;
},
extractSymbols: function(code){
if (this.symbols.length) {
var symbols = this.symbols;
if (symbols.length) {
var originalCode = code;
var symbolsList = [];
for (var i = 0; i < symbols.length; i++) {
var found = 0;
for (var j = 0; j < this.extractedSymbols.length; j++) {
if (this.extractedSymbols[j] == symbols[i]) {
found = 1;
break;
}
}
if (!found) {
symbolsList.push(symbols[i]);
}
}
if (symbolsList.length) {
code = 'var ' + symbolsList.join(',') + ';';
code += this.addGlobals(symbolsList) + '\n';
code += originalCode;
this.extractedSymbols.push(symbolsList);
}
}
}
return code;
},
init: function(){
this.symbols = [];
this.symbolsMap = {};
this.extractedSymbols = [];
this.maxLoops = 20;
this.loopNumber = 0;
this.maxFuncCalls = 20;
parseTree = [];
},
removeComments: function(code){
code = code.replace(comments, function($0, $1, $2){
if ($1 !== undefined && $1.length) {
return $1;
} else {
return '';
}
});
return code;
},
'eval': function(code, thisObject){
if (this.debugObjects.onStart) {
this.debugObjects.onStart();
}
parseTree = [];
if (this.debugObjects.clearTree) {
this.debugObjects.clearTree();
}
if (typeof thisObject == 'undefined') {
thisObject = {};
}
var that = this;
var result;
try {
execCode.apply(thisObject, []);
}
catch (e) {
if (that.debugObjects.errorHandler) {
that.debugObjects.errorHandler(e, that);
}
}
function execCode() {
var freshWindow = that.environment.contentWindow;
arguments.callee.root = true;
var maxLoops = that.maxLoops;
var maxLoopCounter = 0;
var maxFuncCalls = that.maxFuncCalls;
var setTimeoutIDS = {};
var setIntervalIDS = {};
var JSREG_FUNC = {
'gp': function(){
var exp = arguments[arguments.length-1];
if(typeof exp == 'undefined') {
return;
}
var contents = [].slice.call(arguments,0);
if (/[^\d]/.test(exp) || exp === '') {
if (new RegExp("^" + allowedProperties.source + protection).test(exp)) {
return exp;
}
return protection + exp + protection;
} else {
return +exp;
}
},
getThis: function(obj){
if(typeof obj['window'] == 'undefined' && obj['window'] !== obj) {
return obj;
} else {
return $window$;
}
},
checkMaxLoop: function(){
if (maxLoopCounter >= maxLoops) {
if (freshWindow.confirm('This script is looping a lot, click ok to stop the loop.')) {
error("Parser error: Maximum amount of loops hit.");
return false;
} else {
maxLoopCounter = 0;
return true;
}
} else {
maxLoopCounter++;
return true;
}
},
checkMaxFunctCalls: function(funct){
var Static;
if (Static === undefined) {
Static = {};
}
Static = funct || arguments.callee.caller;
Static.counter = ++Static.counter || 1;
if (Static.counter > maxFuncCalls) {
if (freshWindow.confirm('A function is recuring often, click ok to stop the function.')) {
freshWindow = null;
error("Parser error: Maximum amount of function calls hit.");
return false;
} else {
Static.counter = 0;
return true;
}
} else {
return true;
}
}
};
var $document$ = {}, $window$ = {};
generateSafeFunc.$window$ = $window$;
var $Function$ = function(){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
var func;
var parser = that;
var converted = "func=" + parser.rewrite(freshWindow.Function.apply(this, arguments) + '');
parser.checkSyntax(converted);
converted = parser.removeComments(converted);
converted = parser.extractSymbols(converted);
if (parser.debugObjects.functionCode) {
parser.debugObjects.functionCode(converted);
}
if (parser.debugObjects.doNotFunctionEval) {
return converted;
} else {
return eval(converted);
}
};
$Function$.$constructor$ = $Function$;
$window$.$Function$ = $Function$;
var Object = freshWindow.Object;
Object.$constructor$ = $Function$;
Object.prototype.$constructor$ = Object;
Object.prototype.$hasOwnProperty$ = function(prop){
return this.hasOwnProperty(protection + prop + protection);
};
Object.prototype.$valueOf$ = generateSafeFunc(freshWindow.Object, 'valueOf');
Object.prototype.$toString$ = generateSafeFunc(freshWindow.Object, 'toString');
Object.prototype.JSREG_ITEM = function() {
var val = this.toString();
if (/[^\d]/.test(val)) {
return '$' + val + '$';
} else {
return +val;
}
}
var $Object$ = Object;
$window$.$Object$ = $Object$;
var $Error$ = freshWindow.Error;
var Boolean = freshWindow.Boolean;
Boolean.$constructor$ = $Function$;
Boolean.prototype.$constructor$ = Boolean;
var $Boolean$ = Boolean;
$window$.$Boolean$ = $Boolean$;
var Function = freshWindow.Function;
Function.prototype.$constructor$ = $Function$;
Function.prototype.$call$ = generateSafeFunc(freshWindow.Function, 'call');
Function.prototype.$apply$ = generateSafeFunc(freshWindow.Function, 'apply');
var String = objWhitelist(freshWindow.String,'charAt,charCodeAt,concat,indexOf,lastIndexOf,localeCompare,match,replace,search,slice,split,substr,substring,toLocaleLowerCase,toLocaleString,toLocaleUpperCase,toLowerCase,toUpperCase');
String.$fromCharCode$ = generateSafeFunc(freshWindow.String, 'fromCharCode');
String.prototype.$constructor$ = String;
String.$constructor$ = $Function$;
var $String$ = String;
$window$.$String$ = $String$;
var Array = objWhitelist(freshWindow.Array,'sort,join,pop,push,reverse,shift,slice,splice,unshift,concat');
Array.prototype.$constructor$ = Array;
Array.$constructor$ = $Function$;
var $Array$ = freshWindow.Array;
$window$.$Array$ = $Array$;
var RegExp = objWhitelist(freshWindow.RegExp,'compile,exec,test');
RegExp.prototype.$constructor$ = RegExp;
RegExp.prototype.$prototype$ = RegExp.prototype;
RegExp.$lastMatch$ = RegExp.lastMatch;
RegExp.$lastParen$ = RegExp.lastParen;
RegExp.$leftContext$ = RegExp.leftContext;
RegExp.$rightContext$ = RegExp.rightContext;
RegExp.$constructor$ = $Function$;
var $RegExp$ = RegExp;
$window$.$RegExp$ = $RegExp$;
var Number = objWhitelist(freshWindow.Number,'toExponential,toFixed,toPrecision');
constWhitelist(Number, 'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY');
Number.$constructor$ = $Function$;
var $Number$ = Number;
$window$.$Number$ = $Number$;
var Date = objWhitelist(freshWindow.Date,'getDate,getDay,getFullYear,getHours,getMilliseconds,getMinutes,getMonth,getSeconds,getTime,getTimezoneOffset,getUTCDate,getUTCDay,getUTCFullYear,getUTCHours,getUTCMilliseconds,getUTCMinutes,getUTCMonth,getUTCSeconds,getYear,setDate,setFullYear,setHours,setMilliseconds,setMinutes,setMonth,setSeconds,setTime,setUTCDate,setUTCFullYear,setUTCHours,setUTCMilliseconds,setUTCMinutes,setUTCMonth,setUTCSeconds,setYear,toDateString,toGMTString,toLocaleDateString,toLocaleString,toLocaleTimeString,toTimeString,toUTCString');
Date.prototype.$constructor$ = Date;
Date.$constructor$ = $Function$;
var $Date$ = Date;
$window$.$Date$ = $Date$;
var Math = objWhitelist(freshWindow.Math,'abs,acos,asin,atan,atan2,ceil,cos,exp,floor,log,max,min,pow,random,round,sin,sqrt,tan', true);
constWhitelist(Math, 'E,LN10,LN2,LOG10E,LOG2E,PI,SQRT1_2,SQRT2');
Math.$constructor$ = Object;
var $Math$ = Math;
$window$.$Math$ = $Math$;
constWhitelist(freshWindow,'decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,escape,isFinite,isNaN,parseFloat,parseInt,unescape', $window$);
var $clearInterval$ = function(id){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
id = +id;
if (typeof setIntervalIDS[id] == 'undefined') {
return null;
}
return freshWindow.clearInterval(id);
};
$window$.$clearInterval$ = $clearInterval$;
var $clearTimeout$ = function(id){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
id = +id;
if (typeof setTimeoutIDS[id] == 'undefined') {
return null;
}
return freshWindow.clearTimeout(id);
};
$window$.$clearTimeout$ = $clearTimeout$;
var $setTimeout$ = function(func, time){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
time = +time;
if (time && time >= 0) {
if (typeof func !== 'function') {
func = $Function$(func);
}
var id = +freshWindow.setTimeout(func, time);
setTimeoutIDS[id] = true;
return id;
} else {
error("Parser error:Incorrect second arguments supplied.");
}
};
$window$.$setTimeout$ = $setTimeout$;
var $setInterval$ = function(func, time){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
time = +time;
if (time && time >= 0) {
if (typeof func !== 'function') {
func = $Function$(func);
}
var id = +freshWindow.setInterval(func, time);
setIntervalIDS[id] = true;
return id;
} else {
error("Parser error:Incorrect second arguments supplied.");
}
};
$window$.$setInterval$ = $setInterval$;
var $alert$ = function(str){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
freshWindow.alert(str);
};
$window$.$alert$ = $alert$;
var $eval$ = function(str){
if(!JSREG_FUNC.checkMaxFunctCalls()) {
return;
}
var parser = that;
if (typeof str == 'string') {
var converted = parser.rewrite(str);
converted = parser.removeComments(converted);
parser.checkSyntax(converted);
} else {
converted = str;
}
converted = parser.extractSymbols(converted);
if (parser.debugObjects.evalCode) {
parser.debugObjects.evalCode(converted);
}
if (parser.debugObjects.evalCode) {
parser.debugObjects.evalCode(converted);
}
if (parser.debugObjects.doNotEval) {
return converted;
} else {
with ($window$) {
converted = eval(converted);
}
return converted;
}
};
$window$.$eval$ = $eval$;
if (that.doc) {
$document$ = that.doc;
}
if (that.win) {
$window$ = that.win;
}
for (var i = 0; i < that.windowExtensions.length; i++) {
var winProp = that.windowExtensions[i];
$window$[winProp.name] = winProp.value;
}
for (var i = 0; i < that.objectExtensions.length; i++) {
var objProp = that.objectExtensions[i];
Object.prototype[objProp.name] = objProp.value;
}
winProp = null;
that.code = code;
code = that.removeComments(code);
if (that.debugObjects.converted) {
that.debugObjects.converted(code);
}
that.checkSyntax(code);
var converted = that.rewrite(code);
if (that.debugObjects.converted) {
that.debugObjects.converted(converted);
}
that.checkSyntax(converted);
converted = that.extractSymbols(converted);
if (that.debugObjects.converted) {
that.debugObjects.converted(converted);
}
var undefined = freshWindow.undefined;
var NaN = freshWindow.NaN;
var Infinity = freshWindow.Infinity;
var __this__ = $window$;
if (that.debugObjects.doNotMainEval) {
result = converted;
} else {
if($window$['window'] === $window$) {
error("Window is leaking");
}
with ($window$) {
result = eval(converted);
}
}
if (that.debugObjects.parseTree) {
that.debugObjects.parseTree(parseTree);
}
if (that.debugObjects.result) {
that.debugObjects.result(result);
}
that.setWindow($window$);
};
if (that.debugObjects.onComplete) {
that.debugObjects.onComplete();
}
return result;
},
rewriteFilters: {
functionCalls:function($functionCalls) {
parseTree.push("Function calls(" + $functionCalls + ")");
$functionCalls = $functionCalls.replace(new RegExp('(' + unicode.source + ')', 'g'), function(m){
return String.fromCharCode(parseInt(m.replace(/\\u/, ''), 16));
});
$functionCalls = $functionCalls.replace(new RegExp(spaces.source, 'g'), '');
var funcName = protection + $functionCalls.slice(0, -1).replace(new RegExp(spaces.source, 'g'), '') + protection;
this.addSymbol(funcName);
this.rewrite.previousMatch = 'functionCalls';
return funcName + '(';
}
},
rewrite: function rewrite(code){
var that = this;
var converted = code.replace(mainRegExp, function($0, $newLines, $loops, $inInstanceofOperator, $statements, $objectIdentifiers, $strings, $regexps, $numbers, $squareOpen, $squareClose, $functionDec, $functionCalls, $objects){
if ($functionCalls !== undefined && $functionCalls.length) {
return that.rewriteFilters['functionCalls'].apply(that,[$functionCalls]);
} else if ($functionDec !== undefined && $functionDec.length) {
parseTree.push("Function Declarations(" + $functionDec + ")");
$functionDec = $functionDec.replace(new RegExp('^(' + spaces.source + 'function' + spaces.source + ')(' + variable.source + ')?(' + spaces.source + '[(].+)'), function($0, funcStatement, funcName, funcEnd){
if (funcName !== undefined && funcName.length) {
funcName = protection + funcName + protection;
that.addSymbol(funcName);
} else {
funcName = '';
}
if (funcEnd != '(){') {
funcEnd = that.rewrite(funcEnd);
}
return funcStatement + funcName + funcEnd;
});
rewrite.previousMatch = 'functionDec';
return $functionDec + 'if(!JSREG_FUNC.checkMaxFunctCalls()){return false};var __this__=JSREG_FUNC.getThis(this);var $arguments$=[].slice.call(arguments,0);';
} else if ($newLines !== undefined && $newLines.length) {
parseTree.push("New lines");
rewrite.previousMatch = 'newLines';
return $newLines;
} else if ($squareOpen !== undefined && $squareOpen.length) {
parseTree.push("Square open(" + $squareOpen + ")");
rewrite.previousMatch = 'squareOpen';
return $squareOpen + 'JSREG_FUNC.gp(';
} else if ($squareClose !== undefined && $squareClose.length) {
parseTree.push("Square close(" + $squareClose + ")");
rewrite.previousMatch = 'squareClose';
return ')' + $squareClose;
} else if ($inInstanceofOperator !== undefined && $inInstanceofOperator.length) {
parseTree.push("in/instanceof Operator(" + $inInstanceofOperator + ")");
rewrite.previousMatch = 'inInstanceofOperator';
return $inInstanceofOperator.replace(/(.*)(in(?:stanceof)?)/, function($0, $1, $2){
if ($2 == 'instanceof') {
return $1 + ' ' + $2;
} else {
return $1 + '.JSREG_ITEM()' + $2 + ' ';
}
});
} else if ($objectIdentifiers !== undefined && $objectIdentifiers.length) {
parseTree.push("Object identifiers(" + $objectIdentifiers + ")");
$objectIdentifiers = $objectIdentifiers.replace(new RegExp('([{,]' + spaces.source + ')(' + strings.source + '|' + numbers.source + '|' + variable.source + ')(' + spaces.source + ')'), function($0, $start, $ident, $end){
if (/[^\d]/.test($ident)) {
if (new RegExp('^' + spaces.source + variable.source + spaces.source + protection).test($ident)) {
$ident = $ident.replace(new RegExp('(' + unicode.source + ')', 'g'), function(m){
return String.fromCharCode(parseInt(m.replace(/\\u/, ''), 16));
});
if (!allowedProperties.test($ident)) {
$ident = protection + $ident + protection;
}
} else {
$ident = $ident.split('');
$ident[1] = protection + $ident[1];
$ident[$ident.length - 1] = protection + $ident[$ident.length - 1];
$ident = $ident.join('');
}
} else {
$ident = +$ident;
}
rewrite.previousMatch = 'objectIdentifiers';
return $start + $ident + $end;
});
return $objectIdentifiers;
} else if ($numbers !== undefined && $numbers.length) {
parseTree.push("Numbers(" + $numbers + ")");
rewrite.previousMatch = 'numbers';
return $numbers;
} else if ($loops !== undefined && $loops.length) {
parseTree.push("Loops(" + $loops + ")");
$loops = $loops.replace(new RegExp(spaces.source + '\\b(for|while)\\b' + spaces.source + '[(](.*)[)]' + spaces.source + '([{}]?)'), function($0, type, statement, brace){
var a, b, c = '';
var matches = 0;
var converted = '';
if (type == 'for') {
var forLoop = new RegExp('^' + spaces.source + '((?:' + strings.source + '|' + regexps.source + '|[^;])*?)[;]' + spaces.source + spaces.source + '((?:' + strings.source + '|' + regexps.source + '|[^;])*?)[;]' + spaces.source + spaces.source + '((?:' + strings.source + '|' + regexps.source + '|[^;])*?)' + spaces.source + protection);
if (!forLoop.test(statement)) {
var replacedStatement = '';
statement.replace(new RegExp("((?:var\\s+)?[\\s\\(]*(?:" + variable.source + ")[\\)\\s]+)in(.+)"), function($0, prop, obj){
replacedStatement = that.rewrite(prop) + ' in ' + that.rewrite(obj);
});
if (replacedStatement == '') {
error('Parser error:Failed to match for..in loop');
}
var replacement = '';
statement = 'for(' + replacedStatement + ')' + brace;
statement.replace(new RegExp("^for\\((?:var\\s+)?.*?(" + variable.source + ").*?\\sin\\s"), function($0, variable){
if (/^[$]/.test(variable) && /[$]$/.test(variable)) {
replacement = variable + "=(" + variable + "+'').replace(/^[$]/,'').replace(/[$]$/,'');\n";
}
});
statement += replacement;
return statement;
}
statement.replace(forLoop, function($0, s1, s2, s3){
a = that.rewrite(s1);
b = that.rewrite(s2);
c = that.rewrite(s3);
});
statement = that.rewrite(statement);
converted = 'for(' + statement + ')' + brace;
} else {
statement = that.rewrite(statement);
converted = 'while(' + statement + ')' + brace;
}
that.loopNumber++;
return converted;
});
rewrite.previousMatch = 'loops';
return $loops;
} else if ($statements !== undefined && $statements.length) {
parseTree.push("Statements(" + $statements + ")");
rewrite.previousMatch = 'statements';
if (/\s*this\s*/.test($statements)) {
return '__this__';
}
return $statements + ' ';
} else if ($regexps !== undefined && $regexps.length) {
parseTree.push("RegExps(" + $regexps + ")");
rewrite.previousMatch = 'regexps';
return $regexps;
} else if ($strings !== undefined && $strings.length) {
parseTree.push("Strings(" + $strings + ")");
return $strings;
} else if ($objects !== undefined && $objects.length) {
parseTree.push("Objects(" + $objects + ")");
$objects = $objects.replace(/([\\]u[0-9a-f]{4})/g, function(m){
return String.fromCharCode(parseInt(m.replace(/\\u/, ''), 16));
});
var beginDot = /^\s*[.]/.test($objects);
if (beginDot) {
$objects = $objects.replace(/^(\s*)[.]/, '$1');
}
$objects = $objects.split('.');
for (var i = 0; i < $objects.length; i++) {
if (i == 0) {
if ($objects[i].replace(/[\s\n]/g, '') == 'this' && $objects.length > 1) {
$objects[i] = '__this__';
continue;
}
var objName = protection + $objects[i].replace(new RegExp(spaces.source, 'g'), '') + protection;
if (!beginDot) {
that.addSymbol(objName);
}
$objects[i] = objName;
} else {
if (allowedProperties.test($objects[i].replace(/[\s\n]/g, ''))) {
$objects[i] = $objects[i].replace(/[\s\n]/g, '');
continue;
}
$objects[i] = protection + $objects[i].replace(new RegExp(spaces.source, 'g'), '') + protection;
}
}
$objects = $objects.join(".");
if (beginDot) {
if (new RegExp('^[$]' + allowedProperties.source + '[$]$').test($objects)) {
$objects = $objects.replace(/[\s\n]/g, '');
$objects = $objects.replace(/^[$]|[$]$/g, '');
}
$objects = '.' + $objects;
}
return $objects;
} else {
return $0;
}
});
return converted;
},
checkSyntax: function(code){
try {
throw new Error()
}
catch (e) {
var relativeLineNumber = e.lineNumber
}
try {
code = new Function(code);
}
catch (e) {
msg = e.message;
line = (e.lineNumber - relativeLineNumber - 1);
error("Syntax error");
}
},
runCheck: function(){
this.assert(this.removeComments('//test'), '', 1);
this.assert(this.removeComments('//test\n'), '\n', 2);
this.assert(this.removeComments('<!--test'), '', 3);
this.assert(this.removeComments('<!--test\n'), '\n', 4);
this.assert(this.removeComments('/*\n\r\t test*/'), '', 5);
this.assert(this.removeComments('(/**/2+2/**/);'), '(2+2);', 6);
this.assert(this.rewrite("alert(1)"), "$alert$(1)", 11);
},
assert: function(op1, op2, id){
if (op1 != op2) {
id = +id;
var msg = 'result:\n' + op1 + '\n' + 'expected:\n' + op2 + '\nid:\n' + id;
if (this.debugObjects.errorLog) {
this.debugObjects.errorLog(msg);
} else {
alert(msg);
}
error("Parser error:Something went wrong. The RegExps are allowing data they shouldn't");
}
this.init();
}
};
return new Parser;
};
window.JSReg = {
create: function(callback){
var iframe = document.createElement('iframe');
iframe.style.width = '1px';
iframe.style.height = '1px';
iframe.frameborder = "0";
iframe.style.position = 'absolute';
iframe.style.left = '-100px';
iframe.style.top = '-100px';
document.body.appendChild(iframe);
var code = "(function(JSREG){ return window.JSReg = JSREG();})(" + JSReg_Environment + ")";
if (window.opera) {
iframe.contentWindow.Function(code)();
} else {
iframe.contentWindow.document.open();
iframe.contentWindow.document.write('<script type="text/javascript">' + code + '<\/script>');
iframe.contentWindow.document.close();
}
var obj = iframe.contentWindow.JSReg;
if (!obj) {
iframe.contentWindow.Function(code)();
obj = iframe.contentWindow.JSReg;
}
obj.environment = iframe;
return obj;
}
};
})();