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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 %SetNativeFlag(f); | 59 %SetES5Flag(f); |
60 } | 60 } |
61 %ToFastProperties(object); | 61 %ToFastProperties(object); |
62 } | 62 } |
63 | 63 |
64 // Emulates JSC by installing functions on a hidden prototype that | 64 // Emulates JSC by installing functions on a hidden prototype that |
65 // lies above the current object/prototype. This lets you override | 65 // lies above the current object/prototype. This lets you override |
66 // functions on String.prototype etc. and then restore the old function | 66 // functions on String.prototype etc. and then restore the old function |
67 // 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 |
68 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { | 68 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { |
69 var hidden_prototype = new $Object(); | 69 var hidden_prototype = new $Object(); |
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125 function GlobalParseFloat(string) { | 125 function GlobalParseFloat(string) { |
126 string = TO_STRING_INLINE(string); | 126 string = TO_STRING_INLINE(string); |
127 if (%_HasCachedArrayIndex(string)) return %_GetCachedArrayIndex(string); | 127 if (%_HasCachedArrayIndex(string)) return %_GetCachedArrayIndex(string); |
128 return %StringParseFloat(string); | 128 return %StringParseFloat(string); |
129 } | 129 } |
130 | 130 |
131 | 131 |
132 function GlobalEval(x) { | 132 function GlobalEval(x) { |
133 if (!IS_STRING(x)) return x; | 133 if (!IS_STRING(x)) return x; |
134 | 134 |
135 var receiver = this; | |
136 var global_receiver = %GlobalReceiver(global); | 135 var global_receiver = %GlobalReceiver(global); |
137 | 136 var this_is_global_receiver = (this === global_receiver); |
138 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | |
139 receiver = global_receiver; | |
140 } | |
141 | |
142 var this_is_global_receiver = (receiver === global_receiver); | |
143 var global_is_detached = (global === global_receiver); | 137 var global_is_detached = (global === global_receiver); |
144 | 138 |
145 // For consistency with JSC we require the global object passed to | |
146 // eval to be the global object from which 'eval' originated. This | |
147 // is not mandated by the spec. | |
148 if (!this_is_global_receiver || global_is_detached) { | 139 if (!this_is_global_receiver || global_is_detached) { |
149 throw new $EvalError('The "this" object passed to eval must ' + | 140 throw new $EvalError('The "this" object passed to eval must ' + |
150 'be the global object from which eval originated'); | 141 'be the global object from which eval originated'); |
151 } | 142 } |
152 | 143 |
153 var f = %CompileString(x); | 144 var f = %CompileString(x); |
154 if (!IS_FUNCTION(f)) return f; | 145 if (!IS_FUNCTION(f)) return f; |
155 | 146 |
156 return %_CallFunction(receiver, f); | 147 return %_CallFunction(this, f); |
157 } | 148 } |
158 | 149 |
159 | 150 |
160 // ---------------------------------------------------------------------------- | 151 // ---------------------------------------------------------------------------- |
161 | 152 |
162 | 153 |
163 function SetupGlobal() { | 154 function SetupGlobal() { |
164 // ECMA 262 - 15.1.1.1. | 155 // ECMA 262 - 15.1.1.1. |
165 %SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE); | 156 %SetProperty(global, "NaN", $NaN, DONT_ENUM | DONT_DELETE); |
166 | 157 |
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248 | 239 |
249 | 240 |
250 // ECMA-262 - 15.2.4.6 | 241 // ECMA-262 - 15.2.4.6 |
251 function ObjectPropertyIsEnumerable(V) { | 242 function ObjectPropertyIsEnumerable(V) { |
252 return %IsPropertyEnumerable(ToObject(this), ToString(V)); | 243 return %IsPropertyEnumerable(ToObject(this), ToString(V)); |
253 } | 244 } |
254 | 245 |
255 | 246 |
256 // Extensions for providing property getters and setters. | 247 // Extensions for providing property getters and setters. |
257 function ObjectDefineGetter(name, fun) { | 248 function ObjectDefineGetter(name, fun) { |
258 var receiver = this; | 249 if (this == null && !IS_UNDETECTABLE(this)) { |
259 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 250 throw new $TypeError('Object.prototype.__defineGetter__: this is Null'); |
260 receiver = %GlobalReceiver(global); | |
261 } | 251 } |
262 if (!IS_FUNCTION(fun)) { | 252 if (!IS_FUNCTION(fun)) { |
263 throw new $TypeError('Object.prototype.__defineGetter__: Expecting function'
); | 253 throw new $TypeError('Object.prototype.__defineGetter__: Expecting function'
); |
264 } | 254 } |
265 var desc = new PropertyDescriptor(); | 255 var desc = new PropertyDescriptor(); |
266 desc.setGet(fun); | 256 desc.setGet(fun); |
267 desc.setEnumerable(true); | 257 desc.setEnumerable(true); |
268 desc.setConfigurable(true); | 258 desc.setConfigurable(true); |
269 DefineOwnProperty(ToObject(receiver), ToString(name), desc, false); | 259 DefineOwnProperty(ToObject(this), ToString(name), desc, false); |
270 } | 260 } |
271 | 261 |
272 | 262 |
273 function ObjectLookupGetter(name) { | 263 function ObjectLookupGetter(name) { |
274 var receiver = this; | 264 if (this == null && !IS_UNDETECTABLE(this)) { |
275 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 265 throw new $TypeError('Object.prototype.__lookupGetter__: this is Null'); |
276 receiver = %GlobalReceiver(global); | |
277 } | 266 } |
278 return %LookupAccessor(ToObject(receiver), ToString(name), GETTER); | 267 return %LookupAccessor(ToObject(this), ToString(name), GETTER); |
279 } | 268 } |
280 | 269 |
281 | 270 |
282 function ObjectDefineSetter(name, fun) { | 271 function ObjectDefineSetter(name, fun) { |
283 var receiver = this; | 272 if (this == null && !IS_UNDETECTABLE(this)) { |
284 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 273 throw new $TypeError('Object.prototype.__defineSetter__: this is Null'); |
285 receiver = %GlobalReceiver(global); | |
286 } | 274 } |
287 if (!IS_FUNCTION(fun)) { | 275 if (!IS_FUNCTION(fun)) { |
288 throw new $TypeError( | 276 throw new $TypeError( |
289 'Object.prototype.__defineSetter__: Expecting function'); | 277 'Object.prototype.__defineSetter__: Expecting function'); |
290 } | 278 } |
291 var desc = new PropertyDescriptor(); | 279 var desc = new PropertyDescriptor(); |
292 desc.setSet(fun); | 280 desc.setSet(fun); |
293 desc.setEnumerable(true); | 281 desc.setEnumerable(true); |
294 desc.setConfigurable(true); | 282 desc.setConfigurable(true); |
295 DefineOwnProperty(ToObject(receiver), ToString(name), desc, false); | 283 DefineOwnProperty(ToObject(this), ToString(name), desc, false); |
296 } | 284 } |
297 | 285 |
298 | 286 |
299 function ObjectLookupSetter(name) { | 287 function ObjectLookupSetter(name) { |
300 var receiver = this; | 288 if (this == null && !IS_UNDETECTABLE(this)) { |
301 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 289 throw new $TypeError('Object.prototype.__lookupSetter__: this is Null'); |
302 receiver = %GlobalReceiver(global); | |
303 } | 290 } |
304 return %LookupAccessor(ToObject(receiver), ToString(name), SETTER); | 291 return %LookupAccessor(ToObject(this), ToString(name), SETTER); |
305 } | 292 } |
306 | 293 |
307 | 294 |
308 function ObjectKeys(obj) { | 295 function ObjectKeys(obj) { |
309 if (!IS_SPEC_OBJECT(obj)) | 296 if (!IS_SPEC_OBJECT(obj)) |
310 throw MakeTypeError("obj_ctor_property_non_object", ["keys"]); | 297 throw MakeTypeError("obj_ctor_property_non_object", ["keys"]); |
311 return %LocalKeys(obj); | 298 return %LocalKeys(obj); |
312 } | 299 } |
313 | 300 |
314 | 301 |
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1314 // ---------------------------------------------------------------------------- | 1301 // ---------------------------------------------------------------------------- |
1315 | 1302 |
1316 function SetupFunction() { | 1303 function SetupFunction() { |
1317 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1304 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1318 "bind", FunctionBind, | 1305 "bind", FunctionBind, |
1319 "toString", FunctionToString | 1306 "toString", FunctionToString |
1320 )); | 1307 )); |
1321 } | 1308 } |
1322 | 1309 |
1323 SetupFunction(); | 1310 SetupFunction(); |
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