1 | <html><head> |
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2 | <script type="text/javascript"> |
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3 | Array.prototype._toString = Array.prototype.toString; |
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4 | Array.prototype.toString = function(){ return "[" + this._toString() + "]"; }; |
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5 | |
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6 | Number.prototype._toString = Number.prototype.toString; |
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7 | Number.prototype.toString = function(radix){ if(!radix || radix==10){ return ""+this._toString() } if(radix==2){ return "0b"+this._toString(radix); } if(radix==8){ return "0o"+this._toString(radix); } if(radix==16){ return "0x"+this._toString(radix); } return this._toString(radix) + "#" + radix._toString(); }; |
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8 | |
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9 | (function(){ // env is private |
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10 | parseFloat = function(str){ |
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11 | var obj = null; |
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12 | function getRadixObject(whole, numberStr, base){ |
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13 | obj = {number:numberStr, radix:base}; |
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14 | return ""; |
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15 | } |
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16 | function getBaseString(whole, base, numberStr){ |
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17 | var baseNum = (base == '0b') ? 2 : (base == '0o') ? 8 : 16; |
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18 | return numberStr+"#"+baseNum; |
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19 | } |
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20 | |
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21 | |
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22 | var str = str.replace(/(0b|0o|0x)(([0-9a-zA-Z]+\.[0-9a-zA-Z]*|\.[0-9a-zA-Z]+|[0-9a-zA-Z]+))/, getBaseString); |
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23 | |
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24 | var radix; |
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25 | |
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26 | var poundRegExp = /([0-9a-zA-Z]+\.[0-9a-zA-Z]*|\.[0-9a-zA-Z]+|[0-9a-zA-Z]+)\#([0-9a-zA-Z]+)/g; |
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27 | if(poundRegExp.test(str)){ |
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28 | // define obj in getRadixObject |
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29 | str.replace(poundRegExp, getRadixObject); |
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30 | radix = obj.radix; |
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31 | str = obj.number; |
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32 | } |
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33 | if(!radix){ |
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34 | radix = 10; |
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35 | } |
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36 | var decimal = str.indexOf('.'); |
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37 | if(decimal>=0){ |
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38 | var left = str.substring(0,decimal); |
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39 | if(left == ""){ |
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40 | left = "0"; |
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41 | } |
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42 | var right = str.substring(decimal+1, str.length); |
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43 | if(right == ""){ |
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44 | right = "0"; |
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45 | } |
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46 | var num = parseInt(left, radix); |
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47 | |
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48 | var dec = parseInt(right, radix); |
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49 | var length = dec._toString().length; |
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50 | dec /= Math.pow(radix, right.length); |
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51 | return num+dec; |
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52 | } |
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53 | return parseInt(str, radix); |
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54 | }; |
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55 | |
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56 | var env = { |
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57 | window: undefined, "delete": undefined, "new": undefined, // invalidate access to the globals for security so that window.blah is invalid as is delete window |
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58 | |
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59 | prompt: function(label, defaultValue){ |
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60 | // summary: |
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61 | // prompt the user for input without making IE8 mad. |
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62 | // label: |
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63 | // the String name of the variable you are asking the user to input |
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64 | // defaultValue: primitive |
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65 | // the prompt will show this value initially |
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66 | |
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67 | label = label || ''; |
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68 | defaultValue = defaultValue || ''; |
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69 | try{ |
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70 | return this.outerPrompt(label, defaultValue); |
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71 | }catch(e){ |
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72 | return window.prompt(label, defaultValue); |
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73 | } |
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74 | }, |
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75 | val: function(local, name, obj){ |
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76 | // summary: |
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77 | // allow the user to use locals, globals, or give input for undefined values |
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78 | // local: a primitive object |
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79 | // what value might've been passed to val as a local parameter. |
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80 | // name: String |
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81 | // String name of the object. It is passed to see if there is an available global or to set the global. |
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82 | var objValue = obj[name]; |
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83 | local = (objValue == undefined) ? (local == undefined ? window[name] : local) : objValue ; |
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84 | |
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85 | if(typeof local == 'undefined'){ |
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86 | if(obj.graphing){ |
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87 | return undefined; |
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88 | } |
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89 | local=this.prompt('Enter the value for ' + name, undefined, name); |
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90 | |
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91 | return local == null ? undefined : (isNaN(Number(local)) ? local : Number(local)); |
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92 | } |
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93 | return local; |
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94 | }, |
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95 | _makeKeywordsLiteral: function (text){ |
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96 | // summary: |
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97 | // surround reserved words with hex characters |
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98 | |
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99 | // ==, then >=. the <=, then !=, then = and surround them with \x0n first |
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100 | text = text.replace(/(!=(?!=)|==|>=|<=|=)/g, "\x02$1\x02"); |
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101 | return text.replace(/\b(abstract|boolean|break|byte|case|catch|char|class|const|continue|debugger|default|do|double|else|enum|export|extends|false|final|finally|float|for|function|goto|if|implements|import|in| instanceof|int|interface|long|native|null|package|private|protected|public|return|short|static|super| switch|synchronized|this|throw|throws|transient|true|try|typeof|var|void|volatile|while|with)\b/g, "\x02$1\x02"); |
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102 | }, |
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103 | switchToGermanNumbers: function(text){ |
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104 | // summary: |
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105 | // change the format of some javascript allowed numbers to an alternate form 3.5 goes to 3,5 |
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106 | var num = 0; |
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107 | var numbers = []; |
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108 | function substituteCommas(whole, junk, text){ |
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109 | numbers['_'+num+'_'] = text.replace(/\,/g, ';'); |
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110 | return junk+'_'+(num++)+'_'; |
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111 | } |
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112 | function substituteNumbers(wholematch, stuff, junk, text, stuff2){ |
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113 | return stuff+numbers[text]+stuff2; |
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114 | } |
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115 | if(typeof text != "string"){ |
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116 | text = text.toString(); |
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117 | } |
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118 | if(text.indexOf('\x02')<0){ |
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119 | text = this._makeKeywordsLiteral(text); |
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120 | //text = text.replace(/(!=(?!=)|==|>=|<=|=)/g, "\x02$1\x02"); |
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121 | } |
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122 | |
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123 | // same as semiColonRegExp |
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124 | var commaRegExp = /([^\x02\s]*)(\([^\(\)]+\)|\[[^\[\]]+\])/; |
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125 | while(commaRegExp.test(text)){ |
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126 | text = text.replace(commaRegExp , substituteCommas); |
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127 | } |
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128 | |
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129 | while(/((\W)*)(\_[0-9]+\_)((\W)*)/.test(text)){ |
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130 | text = text.replace(/((\W)*)(\_[0-9]+\_)((\W)*)/g, substituteNumbers); |
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131 | } |
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132 | |
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133 | text = text.replace(/([0-9]*)\.([0-9]+)/g, "$1"+','+"$2"); |
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134 | |
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135 | // get rid of keyword characters (duplicate code from parse()) |
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136 | return text.replace(/\x02((.|\s)*?)\x02/g, "$1"); |
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137 | }, |
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138 | normalizeTextLanguage: function(text){ |
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139 | // summary: |
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140 | // change text to use javascript list separators and decimal points instead of commas |
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141 | // text: String |
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142 | // string like "pow(3,1; 4);" |
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143 | // for that input, this method should return "pow(3.1, 4);" |
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144 | |
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145 | var num = 0; |
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146 | var numbers = []; |
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147 | function substituteSemicolons(whole, junk, text){ |
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148 | numbers['_'+num+'_'] = text.replace(/\;/g, ','); |
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149 | return junk+'_'+(num++)+'_'; |
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150 | } |
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151 | function substituteNumbers(wholematch, stuff, junk, text, stuff2){ |
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152 | return stuff+numbers[text]+stuff2; |
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153 | } |
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154 | if(text.indexOf('\x02')<0){ |
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155 | text = this._makeKeywordsLiteral(text); |
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156 | } |
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157 | // change all comma-type decimals into periods |
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158 | text = text.replace(/([0-9]*)\,([0-9]+)/g, "$1"+'.'+"$2"); |
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159 | //alert(text); |
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160 | var semiColonRegExp = /([^\x02\s]*)(\([^\(\)]+\)|\[[^\[\]]+\])/; // /([^\x02\s]+)(\([^\(\)]+\)|\[[^\[\]]+\])/; // /[^\x02\s]+\([^\(\)]+\)|[^\x02\s]+\[[^\[\]]+\]/; // /[^\x02]\s*\([^\(]+\)/; |
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161 | while(semiColonRegExp.test(text)){ |
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162 | text = text.replace(semiColonRegExp, substituteSemicolons); |
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163 | } |
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164 | while(/((\W)*)(\_[0-9]+\_)((\W)*)/.test(text)){ |
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165 | text = text.replace(/((\W)*)(\_[0-9]+\_)((\W)*)/g, substituteNumbers); |
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166 | } |
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167 | // get rid of keyword characters (duplicate code from parse()) |
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168 | return text.replace(/\x02((.|\s)*?)\x02/g, "$1"); |
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169 | }, |
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170 | preparse: function(text){ |
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171 | // summary: |
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172 | // change the numbers to javascript allowed numbers if it is from a different locale |
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173 | if(!this.isJavaScriptLanguage){ |
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174 | text = this.normalizeTextLanguage(text); |
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175 | } |
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176 | return text; |
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177 | }, |
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178 | // parseFloat(Number(4.5).toString(3)) should return 4.5 |
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179 | |
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180 | postparse: function(text){ |
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181 | // summary: |
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182 | // make the javascript numbers match the locale |
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183 | if(!this.isJavaScriptLanguage){ |
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184 | text = this.switchToGermanNumbers(text); |
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185 | } |
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186 | return text; |
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187 | }, |
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188 | toDecimalRegExp: function(whole, base, number){ |
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189 | // summary: |
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190 | // get the decimal number from a float |
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191 | function getBase(base){ |
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192 | switch(base){ |
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193 | case '0b': |
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194 | return 2; |
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195 | case '0o': |
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196 | return 8; |
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197 | case '0x': |
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198 | return 16; |
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199 | default: |
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200 | return 10; |
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201 | } |
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202 | } |
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203 | //return parseInt(base, getBase(base)); |
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204 | return parseFloat(base+number); |
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205 | }, |
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206 | parse: function(text){ |
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207 | // summary: |
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208 | // This parses augmented mathematical syntax and converts it to executable JavaScript. |
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209 | // text: String |
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210 | // should be a String which represents an expression, a function, a number, etc |
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211 | |
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212 | // this array holds the substitutions that represent an expression's parentheses and functions in a simplified way. |
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213 | var numbers = [], |
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214 | // characters |
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215 | functionContentsChar = '\x03', |
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216 | // these are the regular expression needed to find and replace operators |
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217 | factorialRE = /((\w|\.)+)\s*\!/, |
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218 | unaryRightsideRE = /(^|[\+\-\/\*\!\^\u221A]+\s*)([\+\-]+)\s*((\w|\.)+)(?!.*[\+\-])/, |
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219 | unaryRE = /(^|[^a-zA-Z0-9_\.\s]+\s*)([\+\-]+|\u221A)\s*((\w|\.)+)/, // /(^|[^a-zA-Z0-9_\.]\s*)([\+\-]+|\u221A)\s*((\w|\.)+)/, |
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220 | caretRE = /((\w|\.)+)\s*([\^])\s*((\w|\.)+)/, // /((\w|\.)+)\s*([\^])\s*(-?\s*(\w|\.)+)/, |
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221 | radicalRE = /((\w|\.)+)\s*(\u221A)\s*([+-]?\s*(\w|\.)+)/, // /((\w|\.)+)\s*(\u221A)\s*([+-]?\s*(\w|\.)+)(?!.*\u221A)/, |
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222 | binaryHighRE = /((\w|\.)+)\s*([*/])\s*((\w|\.)+)/, |
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223 | binaryLowRE = /((\w|\.)+)\s*([\+\-])+\s*((\w|\.)+)/; |
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224 | |
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225 | // get rid of all new and delete statements |
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226 | text = exterminateNewAndDelete(text); |
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227 | // make all keywords and operators literal (like '!=' or 'return') by surrounding them with unprintable characters |
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228 | text = this._makeKeywordsLiteral(text); |
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229 | |
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230 | |
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231 | function getBaseTen(whole, numberStr, base){ |
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232 | return ""+parseFloat(numberStr+"#"+parseInt(base)); |
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233 | } |
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234 | text = text.replace(/(0b)([0-1]+\.[0-1]*|\.[0-1]+|[0-1]+)/g, this.toDecimalRegExp); |
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235 | text = text.replace(/(0o)([0-7]+\.[0-7]*|\.[0-7]+|[0-7]+)/g, this.toDecimalRegExp); |
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236 | text = text.replace(/(0x)([0-9a-zA-Z]+\.[0-9a-zA-Z]*|\.[0-9a-zA-Z]+|[0-9a-zA-Z]+)/g, this.toDecimalRegExp); |
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237 | |
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238 | text = text.replace(/([0-9a-zA-Z]+\.[0-9a-zA-Z]*|\.[0-9a-zA-Z]+|[0-9a-zA-Z]+)\#([0-9a-zA-Z]+)/g, getBaseTen); |
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239 | |
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240 | // parse the input to form JavaScript |
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241 | return MathParser(text); |
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242 | |
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243 | function MathParser(text){ |
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244 | // Pi is better represented by \u03C0, but isn't computable |
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245 | text = text.replace(/\u03C0/g,"Math.PI"); |
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246 | text = text.replace(/\u03F5/g,"Math.E"); |
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247 | |
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248 | // Microsoft word will give you these '\u2013' for a subtraction sign sometimes, so I'll fix that here |
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249 | text = text.replace(/\u2013/g, "-"); |
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250 | // add unreadable characters in front of functions so it is easier to manipulate |
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251 | text = text.replace(/(((\w|\.)+\s*)\()/g,putFuncChar); |
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252 | |
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253 | // change 10e-10 or 10e10 or 10e+10 to an constant right away |
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254 | text = scientificNotationSimplifier(text); |
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255 | // recursively track down and replace all simplified parts of the expression until everything is simple; then move the simple text into the correct JavaScript format |
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256 | text = parseRecursive(text); |
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257 | // now resubstitute the real text back into the string now that it is arranged correctly |
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258 | while (hasArrayIndexBasedOnUnderscore(text)){ |
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259 | text = text.replace(/\_(\d+)\_/g, function(whole, one){return numbers[parseInt(one)]}); |
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260 | } |
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261 | // get rid of the function character from the functions now |
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262 | text = text.replace(/\x01/g,""); |
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263 | // get rid of keyword characters too |
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264 | text = text.replace(/\x02((.|\s)*?)\x02/g, "$1"); |
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265 | return text; |
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266 | } |
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267 | function exterminateNewAndDelete(text){ |
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268 | return text.replace(/\b(delete|new|this\.*)\b/, ""); |
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269 | } |
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270 | // A simple grouping has no parentheses inside the initial pair. |
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271 | function isSimpleGrouping(text){ |
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272 | return (/^\([^()]*\)|\W\([^()]*\)/).test(text); |
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273 | } |
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274 | function ReplaceSimpleGrouping(text){ |
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275 | return text.replace((/(^|\W)(\([^()]*\))/), replaceWithNum); |
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276 | } |
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277 | function replaceWithNum(wholeMatch, partMatch1, partMatch2){ |
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278 | numbers.push(partMatch2); |
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279 | return partMatch1+"_"+(numbers.length-1)+"_"; |
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280 | } |
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281 | function replaceFuncWithNum(wholeMatch){ |
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282 | numbers.push(wholeMatch); |
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283 | return "_"+(numbers.length-1)+"_"; |
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284 | } |
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285 | // A simple function has no parentheses within its parentheses, and has the special character \x01 leading up to the name and (...) |
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286 | function isSimpleFunction(text){ |
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287 | return (/\x01((\w|\.)+\s*)\([^()]*\)/).test(text); |
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288 | } |
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289 | function ReplaceSimpleFunction(text){ |
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290 | return text.replace(/\x01((\w|\.)+\s*)\([^()]*\)/, replaceFuncWithNum); |
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291 | } |
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292 | function FactorialParser(text){ |
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293 | // loop this untill all ! are gone (in main) |
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294 | return text.replace(factorialRE, "\x01"+"factorial($1)"); |
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295 | } |
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296 | function putFuncChar(wholematch){ |
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297 | return '\x01'+wholematch; |
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298 | } |
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299 | function putInPiece(wholematch){ |
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300 | return numbers[currentNum]; |
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301 | } |
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302 | |
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303 | function caretParser(text){ |
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304 | return text.replace(caretRE, replaceBinaryOp); |
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305 | } |
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306 | // the unary radical is inside the unaryOperatorParse(text) function |
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307 | function radicalOperatorParse(text){ |
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308 | return text.replace(radicalRE, replaceBinaryOp); |
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309 | } |
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310 | function replaceBinaryOp(wholeMatch, operand1, nothing1, operator, operand2){ |
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311 | |
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312 | switch(operator.charAt(0)){ |
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313 | case '^': |
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314 | return "\x01"+"pow("+operand1+","+operand2+")"; |
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315 | case '\u221A': |
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316 | return "\x01"+"pow("+operand2+", 1/"+operand1+")"; |
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317 | case '*': |
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318 | case '/': |
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319 | return replaceFuncWithNum(wholeMatch); |
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320 | case '+': |
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321 | case '-': |
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322 | case 'e': |
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323 | return replaceFuncWithNum(simplifyPlusAnsMinus(wholeMatch)); |
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324 | } |
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325 | } |
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326 | // e is treated as a binary operator |
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327 | function scientificNotationSimplifier(text){ |
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328 | //return text.replace(/((\w|\.)+)\s*([\e])\s*([+-]*\s*(\w|\.)+)/g, replaceBinaryOp); |
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329 | return text.replace(/(([0-9]+\.?[0-9]*))(e)([+-]*([0-9]+))/g, replaceBinaryOp); |
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330 | } |
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331 | // this handles * and / |
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332 | function binaryHighPriorityOperatorParse(text){ |
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333 | return text.replace(binaryHighRE, replaceBinaryOp); |
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334 | } |
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335 | // this handles + and - with two operands |
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336 | function binaryLowPriorityOperatorParse(text){ |
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337 | return text.replace(binaryLowRE, replaceBinaryOp); |
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338 | } |
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339 | // this replaces the one operand +'s, -'s, and radicals |
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340 | function replaceUnaryOp(wholeMatch, garbage, operator0, operand0){ |
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341 | // see what operator it is |
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342 | switch(operator0.charAt(0)){ |
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343 | case '\u221A': |
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344 | return garbage+"\x01"+"sqrt("+operand0+")"; |
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345 | case '+': |
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346 | case '-': |
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347 | return garbage+replaceFuncWithNum(simplifyPlusAnsMinus(wholeMatch.substr(garbage.length))); |
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348 | } |
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349 | } |
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350 | // this handles one operand operators -, +, radical |
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351 | function unaryOperatorParse(text){ |
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352 | return text.replace(unaryRE, replaceUnaryOp); |
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353 | } |
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354 | // this handles one operand operators on the right side of everything |
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355 | function unaryOperatorRightsideParse(text){ |
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356 | return text.replace(unaryRightsideRE, replaceUnaryOp); |
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357 | } |
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358 | function parseRecursive(text){ |
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359 | // keep going until there is nothing left that can be simplified |
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360 | while (isSimpleGrouping(text)||isSimpleFunction(text)||factorialRE.test(text)||caretRE.test(text)||radicalRE.test(text)||unaryRE.test(text)||binaryHighRE.test(text)||binaryLowRE.test(text)){ |
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361 | |
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362 | var sTextOrginal = text; |
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363 | |
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364 | if(isSimpleFunction(text)){ |
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365 | var debugText = text; |
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366 | |
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367 | text = ReplaceSimpleFunction(text); |
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368 | var s = numbers[numbers.length-1], |
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369 | pL = s.indexOf("("), |
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370 | funcName = s.substring(s.indexOf("\x01")+1, pL),//take out the function character |
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371 | content = s.substring(pL+1, s.length-1); |
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372 | |
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373 | numbers[numbers.length-1] = funcName+"("+parseRecursive(functionContentsChar+content)+")"; |
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374 | continue; |
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375 | } |
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376 | if(isSimpleGrouping(text)){ |
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377 | text = ReplaceSimpleGrouping(text); |
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378 | var s = numbers[numbers.length-1], |
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379 | content = s.substring(1, s.length-1); |
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380 | numbers[numbers.length-1] = "("+parseRecursive(content)+")"; |
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381 | continue; |
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382 | } |
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383 | |
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384 | // factorials must come first for 5^2! cases, it equals 25 |
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385 | text = FactorialParser(text); |
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386 | if(text!=sTextOrginal){ |
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387 | continue; |
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388 | } |
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389 | |
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390 | text = caretParser(text); |
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391 | if(text!=sTextOrginal){ |
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392 | continue; |
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393 | } |
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394 | |
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395 | text = radicalOperatorParse(text); |
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396 | if(text!=sTextOrginal){ |
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397 | continue; |
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398 | } |
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399 | text = unaryOperatorRightsideParse(text); |
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400 | if(text!=sTextOrginal){ |
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401 | // put parentheses around the unary operators so 0--2 will pass |
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402 | numbers[numbers.length-1] = "("+numbers[numbers.length-1]+")"; |
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403 | continue; |
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404 | } |
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405 | text = unaryOperatorParse(text); |
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406 | if(text!=sTextOrginal){ |
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407 | // put parentheses around the unary operators so 0--2 will pass |
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408 | numbers[numbers.length-1] = "("+numbers[numbers.length-1]+")"; |
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409 | continue; |
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410 | } |
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411 | |
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412 | text = binaryHighPriorityOperatorParse(text); |
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413 | if(text!=sTextOrginal){ |
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414 | continue; |
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415 | } |
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416 | text = binaryLowPriorityOperatorParse(text); |
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417 | if(text!=sTextOrginal){ |
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418 | continue; |
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419 | } |
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420 | // it should never ever make it to this point. If it does, I'll want to know about it. |
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421 | throw("Parse Error"); |
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422 | } |
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423 | // make assignments within function calls be arranged to be (x=y, undefined) |
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424 | if(text.charAt(0) == functionContentsChar){ |
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425 | text = text.substring(1, text.length); |
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426 | if(text.indexOf('=') >= 0){ |
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427 | text = ReplaceFunctionContentAssignments(text); |
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428 | } |
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429 | } |
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430 | |
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431 | return text; |
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432 | } |
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433 | function ReplaceFunctionContentAssignments(text){ |
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434 | return text.replace(/((\w|\.)+)\x02=\x02((\w|\.)+)/g, "("+"$1"+'\x02=\x02'+"$3"+", {_name:'"+"$1"+"', _value:"+"$3"+"})"); |
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435 | } |
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436 | function hasArrayIndexBasedOnUnderscore(text){ |
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437 | return /\_\d+\_/.test(text); |
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438 | } |
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439 | |
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440 | function simplifyPlusAnsMinus(text){ |
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441 | function hasUnsimplifiedPlusMinus(text){ |
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442 | return /\-\s*\-/.test(text)||/\+\s*\+/.test(text)||/\+\s*\-/.test(text)||/\-\s*\+/.test(text); |
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443 | } |
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444 | while(hasUnsimplifiedPlusMinus(text)){ |
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445 | text = text.replace(/((\-\s*\-)|(\+\s*\+))/g, "+"); |
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446 | text = text.replace(/((\+\s*\-)|(\-\s*\+))/g, "-"); |
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447 | } |
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448 | return text; |
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449 | } |
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450 | |
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451 | }, |
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452 | eval: function(text){ |
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453 | // summary: |
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454 | // create an anonymous function to run the code the parser generates from the user input. |
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455 | // text: String |
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456 | // is the user input that needs to be parsed |
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457 | |
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458 | // this try catch is necessary to ensure that any incorrect input will receive NaN (it won't cause a self destruct from a user typo) |
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459 | try{ |
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460 | var value = this.Function(undefined, '', 'return ' + text).call(this); // make sure it is called within the correct scope. |
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461 | //value = ((value instanceof Array || typeof value == "array") ? ("["+value+"]") : value.toString()) |
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462 | return this.postparse(value); |
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463 | }catch(e){ |
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464 | return NaN; |
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465 | } |
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466 | }, |
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467 | normalizedFunction: function(name, args, body){ |
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468 | // summary: |
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469 | // create an anonymous function to run the code the parser generates from the user input. |
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470 | // name: String |
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471 | // this argument is simply a String that represents the name of the function being evaluated. It can be undefined, but in that case the function is a one time use. |
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472 | // args: String |
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473 | // the function arguments |
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474 | // body: String |
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475 | // the function body |
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476 | var argMultiVals = '', |
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477 | // make an array of parameters with what's given (if nothing is given, make an empty array) |
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478 | params = args ? (args||'').split(/\W+/) : []; |
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479 | |
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480 | argMultiVals += 'var _localObjectContainer = {};\n'+ |
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481 | 'for(var _objCnt = 0; _objCnt < arguments.length; _objCnt++){\n'+ |
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482 | 'if(typeof arguments[_objCnt] == "object" && "_name" in arguments[_objCnt] && "_value" in arguments[_objCnt]){\n'+ |
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483 | '_localObjectContainer.graphing = arguments[_objCnt]._graphing;\n'+ |
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484 | '_localObjectContainer[arguments[_objCnt]._name]=arguments[_objCnt]._value;\n'+ |
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485 | 'arguments[_objCnt]=undefined;\n}\n}\n'; |
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486 | |
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487 | // make the parameters fit into the val function so it can use either globals, locals, or if all are null, prompt the user for input |
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488 | for(var i=0; i < params.length; i++){ |
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489 | var param = params[i]; |
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490 | argMultiVals += param + '=val(' + param + ',"' + param + '", _localObjectContainer);\n'; |
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491 | argMultiVals += 'if(typeof '+param+' == "undefined"){\n'+ |
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492 | 'return null;}\n'; |
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493 | } |
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494 | var _f_ = window.Function.apply(this, |
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495 | [ |
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496 | args, |
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497 | 'with(Math){with(this.dojox.math){with(this){\n' + |
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498 | argMultiVals + |
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499 | this.parse(body) + |
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500 | '\n}}}' |
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501 | ] |
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502 | ); |
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503 | if(name){ |
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504 | return this[name] = _f_; |
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505 | } |
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506 | return _f_; |
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507 | }, |
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508 | Function: function(name, args, body){ |
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509 | // summary: |
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510 | // create an anonymous function to run the code the parser generates from the user input. It also normalizes the language format. |
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511 | // name: String |
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512 | // this argument is simply a String that represents the name of the function being evaluated. It can be undefined, but in that case the function is a one time use. |
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513 | // args: String |
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514 | // the function arguments |
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515 | // body: String |
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516 | // the function body |
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517 | |
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518 | body = this.preparse(body); |
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519 | return this.normalizedFunction(name, args, body); |
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520 | |
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521 | } |
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522 | }; |
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523 | for(var i in window){ |
---|
524 | if(!(i in env) && i != "alert" && i != "confirm"){ env[i] = undefined; } // invalidate access to the window object's attributes for security so that document.blah is invalid |
---|
525 | } |
---|
526 | frameElement.onload(env); |
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527 | })(); |
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528 | </script> |
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529 | </head><body> |
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530 | <script type="text/javascript"> |
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531 | document.documentElement.removeChild(document.documentElement.firstChild); // remove HEAD to remove debugger access for extra security |
---|
532 | </script> |
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533 | </body></html> |
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