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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file relies on the fact that the following declarations have been made | 5 // This file relies on the fact that the following declarations have been made |
6 // in runtime.js: | 6 // in runtime.js: |
7 // var $Object = global.Object; | 7 // var $Object = global.Object; |
8 // var $Boolean = global.Boolean; | 8 // var $Boolean = global.Boolean; |
9 // var $Number = global.Number; | 9 // var $Number = global.Number; |
10 // var $Function = global.Function; | 10 // var $Function = global.Function; |
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165 // For consistency with JSC we require the global object passed to | 165 // For consistency with JSC we require the global object passed to |
166 // eval to be the global object from which 'eval' originated. This | 166 // eval to be the global object from which 'eval' originated. This |
167 // is not mandated by the spec. | 167 // is not mandated by the spec. |
168 // We only throw if the global has been detached, since we need the | 168 // We only throw if the global has been detached, since we need the |
169 // receiver as this-value for the call. | 169 // receiver as this-value for the call. |
170 if (!%IsAttachedGlobal(global)) { | 170 if (!%IsAttachedGlobal(global)) { |
171 throw new $EvalError('The "this" value passed to eval must ' + | 171 throw new $EvalError('The "this" value passed to eval must ' + |
172 'be the global object from which eval originated'); | 172 'be the global object from which eval originated'); |
173 } | 173 } |
174 | 174 |
175 var global_receiver = %GlobalReceiver(global); | 175 var global_proxy = %GlobalProxy(global); |
176 | 176 |
177 var f = %CompileString(x, false); | 177 var f = %CompileString(x, false); |
178 if (!IS_FUNCTION(f)) return f; | 178 if (!IS_FUNCTION(f)) return f; |
179 | 179 |
180 return %_CallFunction(global_receiver, f); | 180 return %_CallFunction(global_proxy, f); |
181 } | 181 } |
182 | 182 |
183 | 183 |
184 // ---------------------------------------------------------------------------- | 184 // ---------------------------------------------------------------------------- |
185 | 185 |
186 // Set up global object. | 186 // Set up global object. |
187 function SetUpGlobal() { | 187 function SetUpGlobal() { |
188 %CheckIsBootstrapping(); | 188 %CheckIsBootstrapping(); |
189 | 189 |
190 var attributes = DONT_ENUM | DONT_DELETE | READ_ONLY; | 190 var attributes = DONT_ENUM | DONT_DELETE | READ_ONLY; |
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267 return IS_UNDEFINED(desc) ? false : desc.isEnumerable(); | 267 return IS_UNDEFINED(desc) ? false : desc.isEnumerable(); |
268 } | 268 } |
269 return %IsPropertyEnumerable(ToObject(this), P); | 269 return %IsPropertyEnumerable(ToObject(this), P); |
270 } | 270 } |
271 | 271 |
272 | 272 |
273 // Extensions for providing property getters and setters. | 273 // Extensions for providing property getters and setters. |
274 function ObjectDefineGetter(name, fun) { | 274 function ObjectDefineGetter(name, fun) { |
275 var receiver = this; | 275 var receiver = this; |
276 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 276 if (receiver == null && !IS_UNDETECTABLE(receiver)) { |
277 receiver = %GlobalReceiver(global); | 277 receiver = %GlobalProxy(global); |
278 } | 278 } |
279 if (!IS_SPEC_FUNCTION(fun)) { | 279 if (!IS_SPEC_FUNCTION(fun)) { |
280 throw new $TypeError( | 280 throw new $TypeError( |
281 'Object.prototype.__defineGetter__: Expecting function'); | 281 'Object.prototype.__defineGetter__: Expecting function'); |
282 } | 282 } |
283 var desc = new PropertyDescriptor(); | 283 var desc = new PropertyDescriptor(); |
284 desc.setGet(fun); | 284 desc.setGet(fun); |
285 desc.setEnumerable(true); | 285 desc.setEnumerable(true); |
286 desc.setConfigurable(true); | 286 desc.setConfigurable(true); |
287 DefineOwnProperty(ToObject(receiver), ToName(name), desc, false); | 287 DefineOwnProperty(ToObject(receiver), ToName(name), desc, false); |
288 } | 288 } |
289 | 289 |
290 | 290 |
291 function ObjectLookupGetter(name) { | 291 function ObjectLookupGetter(name) { |
292 var receiver = this; | 292 var receiver = this; |
293 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 293 if (receiver == null && !IS_UNDETECTABLE(receiver)) { |
294 receiver = %GlobalReceiver(global); | 294 receiver = %GlobalProxy(global); |
295 } | 295 } |
296 return %LookupAccessor(ToObject(receiver), ToName(name), GETTER); | 296 return %LookupAccessor(ToObject(receiver), ToName(name), GETTER); |
297 } | 297 } |
298 | 298 |
299 | 299 |
300 function ObjectDefineSetter(name, fun) { | 300 function ObjectDefineSetter(name, fun) { |
301 var receiver = this; | 301 var receiver = this; |
302 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 302 if (receiver == null && !IS_UNDETECTABLE(receiver)) { |
303 receiver = %GlobalReceiver(global); | 303 receiver = %GlobalProxy(global); |
304 } | 304 } |
305 if (!IS_SPEC_FUNCTION(fun)) { | 305 if (!IS_SPEC_FUNCTION(fun)) { |
306 throw new $TypeError( | 306 throw new $TypeError( |
307 'Object.prototype.__defineSetter__: Expecting function'); | 307 'Object.prototype.__defineSetter__: Expecting function'); |
308 } | 308 } |
309 var desc = new PropertyDescriptor(); | 309 var desc = new PropertyDescriptor(); |
310 desc.setSet(fun); | 310 desc.setSet(fun); |
311 desc.setEnumerable(true); | 311 desc.setEnumerable(true); |
312 desc.setConfigurable(true); | 312 desc.setConfigurable(true); |
313 DefineOwnProperty(ToObject(receiver), ToName(name), desc, false); | 313 DefineOwnProperty(ToObject(receiver), ToName(name), desc, false); |
314 } | 314 } |
315 | 315 |
316 | 316 |
317 function ObjectLookupSetter(name) { | 317 function ObjectLookupSetter(name) { |
318 var receiver = this; | 318 var receiver = this; |
319 if (receiver == null && !IS_UNDETECTABLE(receiver)) { | 319 if (receiver == null && !IS_UNDETECTABLE(receiver)) { |
320 receiver = %GlobalReceiver(global); | 320 receiver = %GlobalProxy(global); |
321 } | 321 } |
322 return %LookupAccessor(ToObject(receiver), ToName(name), SETTER); | 322 return %LookupAccessor(ToObject(receiver), ToName(name), SETTER); |
323 } | 323 } |
324 | 324 |
325 | 325 |
326 function ObjectKeys(obj) { | 326 function ObjectKeys(obj) { |
327 if (!IS_SPEC_OBJECT(obj)) { | 327 if (!IS_SPEC_OBJECT(obj)) { |
328 throw MakeTypeError("called_on_non_object", ["Object.keys"]); | 328 throw MakeTypeError("called_on_non_object", ["Object.keys"]); |
329 } | 329 } |
330 if (%IsJSProxy(obj)) { | 330 if (%IsJSProxy(obj)) { |
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1824 // comments we can include a trailing block comment to catch this. | 1824 // comments we can include a trailing block comment to catch this. |
1825 p += '\n/' + '**/'; | 1825 p += '\n/' + '**/'; |
1826 } | 1826 } |
1827 var body = (n > 0) ? ToString(arguments[n - 1]) : ''; | 1827 var body = (n > 0) ? ToString(arguments[n - 1]) : ''; |
1828 return '(' + function_token + '(' + p + ') {\n' + body + '\n})'; | 1828 return '(' + function_token + '(' + p + ') {\n' + body + '\n})'; |
1829 } | 1829 } |
1830 | 1830 |
1831 | 1831 |
1832 function FunctionConstructor(arg1) { // length == 1 | 1832 function FunctionConstructor(arg1) { // length == 1 |
1833 var source = NewFunctionString(arguments, 'function'); | 1833 var source = NewFunctionString(arguments, 'function'); |
1834 var global_receiver = %GlobalReceiver(global); | 1834 var global_proxy = %GlobalProxy(global); |
1835 // Compile the string in the constructor and not a helper so that errors | 1835 // Compile the string in the constructor and not a helper so that errors |
1836 // appear to come from here. | 1836 // appear to come from here. |
1837 var f = %CompileString(source, true); | 1837 var f = %CompileString(source, true); |
1838 if (!IS_FUNCTION(f)) return f; | 1838 if (!IS_FUNCTION(f)) return f; |
1839 f = %_CallFunction(global_receiver, f); | 1839 f = %_CallFunction(global_proxy, f); |
1840 %FunctionMarkNameShouldPrintAsAnonymous(f); | 1840 %FunctionMarkNameShouldPrintAsAnonymous(f); |
1841 return f; | 1841 return f; |
1842 } | 1842 } |
1843 | 1843 |
1844 | 1844 |
1845 // ---------------------------------------------------------------------------- | 1845 // ---------------------------------------------------------------------------- |
1846 | 1846 |
1847 function SetUpFunction() { | 1847 function SetUpFunction() { |
1848 %CheckIsBootstrapping(); | 1848 %CheckIsBootstrapping(); |
1849 | 1849 |
1850 %SetCode($Function, FunctionConstructor); | 1850 %SetCode($Function, FunctionConstructor); |
1851 %AddProperty($Function.prototype, "constructor", $Function, DONT_ENUM); | 1851 %AddProperty($Function.prototype, "constructor", $Function, DONT_ENUM); |
1852 | 1852 |
1853 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1853 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1854 "bind", FunctionBind, | 1854 "bind", FunctionBind, |
1855 "toString", FunctionToString | 1855 "toString", FunctionToString |
1856 )); | 1856 )); |
1857 } | 1857 } |
1858 | 1858 |
1859 SetUpFunction(); | 1859 SetUpFunction(); |
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