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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 49 function InstallFunctions(object, attributes, functions) { | 49 function InstallFunctions(object, attributes, functions) { |
| 50 if (functions.length >= 8) { | 50 if (functions.length >= 8) { |
| 51 %OptimizeObjectForAddingMultipleProperties(object, functions.length >> 1); | 51 %OptimizeObjectForAddingMultipleProperties(object, functions.length >> 1); |
| 52 } | 52 } |
| 53 for (var i = 0; i < functions.length; i += 2) { | 53 for (var i = 0; i < functions.length; i += 2) { |
| 54 var key = functions[i]; | 54 var key = functions[i]; |
| 55 var f = functions[i + 1]; | 55 var f = functions[i + 1]; |
| 56 %FunctionSetName(f, key); | 56 %FunctionSetName(f, key); |
| 57 %FunctionRemovePrototype(f); | 57 %FunctionRemovePrototype(f); |
| 58 %SetProperty(object, key, f, attributes); | 58 %SetProperty(object, key, f, attributes); |
| 59 %SetES5Flag(f); |
| 59 } | 60 } |
| 60 %ToFastProperties(object); | 61 %ToFastProperties(object); |
| 61 } | 62 } |
| 62 | 63 |
| 63 // Emulates JSC by installing functions on a hidden prototype that | 64 // Emulates JSC by installing functions on a hidden prototype that |
| 64 // lies above the current object/prototype. This lets you override | 65 // lies above the current object/prototype. This lets you override |
| 65 // functions on String.prototype etc. and then restore the old function | 66 // functions on String.prototype etc. and then restore the old function |
| 66 // with delete. See http://code.google.com/p/chromium/issues/detail?id=1717 | 67 // with delete. See http://code.google.com/p/chromium/issues/detail?id=1717 |
| 67 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { | 68 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { |
| 68 var hidden_prototype = new $Object(); | 69 var hidden_prototype = new $Object(); |
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| 140 'be the global object from which eval originated'); | 141 'be the global object from which eval originated'); |
| 141 } | 142 } |
| 142 | 143 |
| 143 var f = %CompileString(x); | 144 var f = %CompileString(x); |
| 144 if (!IS_FUNCTION(f)) return f; | 145 if (!IS_FUNCTION(f)) return f; |
| 145 | 146 |
| 146 return %_CallFunction(this, f); | 147 return %_CallFunction(this, f); |
| 147 } | 148 } |
| 148 | 149 |
| 149 | 150 |
| 150 // execScript for IE compatibility. | |
| 151 function GlobalExecScript(expr, lang) { | |
| 152 // NOTE: We don't care about the character casing. | |
| 153 if (!lang || /javascript/i.test(lang)) { | |
| 154 var f = %CompileString(ToString(expr)); | |
| 155 %_CallFunction(%GlobalReceiver(global), f); | |
| 156 } | |
| 157 return null; | |
| 158 } | |
| 159 | |
| 160 | |
| 161 // ---------------------------------------------------------------------------- | 151 // ---------------------------------------------------------------------------- |
| 162 | 152 |
| 163 | 153 |
| 164 function SetupGlobal() { | 154 function SetupGlobal() { |
| 165 // ECMA 262 - 15.1.1.1. | 155 // ECMA 262 - 15.1.1.1. |
| 166 %SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE); | 156 %SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE); |
| 167 | 157 |
| 168 // ECMA-262 - 15.1.1.2. | 158 // ECMA-262 - 15.1.1.2. |
| 169 %SetProperty(global, "Infinity", 1/0, DONT_ENUM | DONT_DELETE); | 159 %SetProperty(global, "Infinity", 1/0, DONT_ENUM | DONT_DELETE); |
| 170 | 160 |
| 171 // ECMA-262 - 15.1.1.3. | 161 // ECMA-262 - 15.1.1.3. |
| 172 %SetProperty(global, "undefined", void 0, DONT_ENUM | DONT_DELETE); | 162 %SetProperty(global, "undefined", void 0, DONT_ENUM | DONT_DELETE); |
| 173 | 163 |
| 174 // Setup non-enumerable function on the global object. | 164 // Setup non-enumerable function on the global object. |
| 175 InstallFunctions(global, DONT_ENUM, $Array( | 165 InstallFunctions(global, DONT_ENUM, $Array( |
| 176 "isNaN", GlobalIsNaN, | 166 "isNaN", GlobalIsNaN, |
| 177 "isFinite", GlobalIsFinite, | 167 "isFinite", GlobalIsFinite, |
| 178 "parseInt", GlobalParseInt, | 168 "parseInt", GlobalParseInt, |
| 179 "parseFloat", GlobalParseFloat, | 169 "parseFloat", GlobalParseFloat, |
| 180 "eval", GlobalEval, | 170 "eval", GlobalEval |
| 181 "execScript", GlobalExecScript | |
| 182 )); | 171 )); |
| 183 } | 172 } |
| 184 | 173 |
| 185 SetupGlobal(); | 174 SetupGlobal(); |
| 186 | 175 |
| 187 | 176 |
| 188 // ---------------------------------------------------------------------------- | 177 // ---------------------------------------------------------------------------- |
| 189 // Boolean (first part of definition) | 178 // Boolean (first part of definition) |
| 190 | 179 |
| 191 | 180 |
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| 227 | 216 |
| 228 | 217 |
| 229 // ECMA-262 - 15.2.4.4 | 218 // ECMA-262 - 15.2.4.4 |
| 230 function ObjectValueOf() { | 219 function ObjectValueOf() { |
| 231 return ToObject(this); | 220 return ToObject(this); |
| 232 } | 221 } |
| 233 | 222 |
| 234 | 223 |
| 235 // ECMA-262 - 15.2.4.5 | 224 // ECMA-262 - 15.2.4.5 |
| 236 function ObjectHasOwnProperty(V) { | 225 function ObjectHasOwnProperty(V) { |
| 237 return %HasLocalProperty(ToObject(this), ToString(V)); | 226 return %HasLocalProperty(TO_OBJECT_INLINE(this), TO_STRING_INLINE(V)); |
| 238 } | 227 } |
| 239 | 228 |
| 240 | 229 |
| 241 // ECMA-262 - 15.2.4.6 | 230 // ECMA-262 - 15.2.4.6 |
| 242 function ObjectIsPrototypeOf(V) { | 231 function ObjectIsPrototypeOf(V) { |
| 243 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { | 232 if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) { |
| 244 throw MakeTypeError("called_on_null_or_undefined", | 233 throw MakeTypeError("called_on_null_or_undefined", |
| 245 ["Object.prototype.isPrototypeOf"]); | 234 ["Object.prototype.isPrototypeOf"]); |
| 246 } | 235 } |
| 247 if (!IS_SPEC_OBJECT(V)) return false; | 236 if (!IS_SPEC_OBJECT(V)) return false; |
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| 1312 // ---------------------------------------------------------------------------- | 1301 // ---------------------------------------------------------------------------- |
| 1313 | 1302 |
| 1314 function SetupFunction() { | 1303 function SetupFunction() { |
| 1315 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1304 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
| 1316 "bind", FunctionBind, | 1305 "bind", FunctionBind, |
| 1317 "toString", FunctionToString | 1306 "toString", FunctionToString |
| 1318 )); | 1307 )); |
| 1319 } | 1308 } |
| 1320 | 1309 |
| 1321 SetupFunction(); | 1310 SetupFunction(); |
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