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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 // 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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396 if (IS_UNDEFINED(desc)) return desc; | 396 if (IS_UNDEFINED(desc)) return desc; |
397 | 397 |
398 if (IsDataDescriptor(desc)) { | 398 if (IsDataDescriptor(desc)) { |
399 return { value: desc.getValue(), | 399 return { value: desc.getValue(), |
400 writable: desc.isWritable(), | 400 writable: desc.isWritable(), |
401 enumerable: desc.isEnumerable(), | 401 enumerable: desc.isEnumerable(), |
402 configurable: desc.isConfigurable() }; | 402 configurable: desc.isConfigurable() }; |
403 } | 403 } |
404 // Must be an AccessorDescriptor then. We never return a generic descriptor. | 404 // Must be an AccessorDescriptor then. We never return a generic descriptor. |
405 return { get: desc.getGet(), | 405 return { get: desc.getGet(), |
406 set: desc.getSet() === ObjectSetProto ? ObjectPoisonProto | 406 set: desc.getSet(), |
407 : desc.getSet(), | |
408 enumerable: desc.isEnumerable(), | 407 enumerable: desc.isEnumerable(), |
409 configurable: desc.isConfigurable() }; | 408 configurable: desc.isConfigurable() }; |
410 } | 409 } |
411 | 410 |
412 | 411 |
413 // Harmony Proxies | 412 // Harmony Proxies |
414 function FromGenericPropertyDescriptor(desc) { | 413 function FromGenericPropertyDescriptor(desc) { |
415 if (IS_UNDEFINED(desc)) return desc; | 414 if (IS_UNDEFINED(desc)) return desc; |
416 var obj = new $Object(); | 415 var obj = new $Object(); |
417 | 416 |
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1396 return %GetPrototype(this); | 1395 return %GetPrototype(this); |
1397 } | 1396 } |
1398 | 1397 |
1399 | 1398 |
1400 // Harmony __proto__ setter. | 1399 // Harmony __proto__ setter. |
1401 function ObjectSetProto(obj) { | 1400 function ObjectSetProto(obj) { |
1402 return %SetPrototype(this, obj); | 1401 return %SetPrototype(this, obj); |
1403 } | 1402 } |
1404 | 1403 |
1405 | 1404 |
1406 // Harmony __proto__ poison pill. | |
1407 function ObjectPoisonProto(obj) { | |
1408 throw MakeTypeError("proto_poison_pill", []); | |
1409 } | |
1410 | |
1411 | |
1412 function ObjectConstructor(x) { | 1405 function ObjectConstructor(x) { |
1413 if (%_IsConstructCall()) { | 1406 if (%_IsConstructCall()) { |
1414 if (x == null) return this; | 1407 if (x == null) return this; |
1415 return ToObject(x); | 1408 return ToObject(x); |
1416 } else { | 1409 } else { |
1417 if (x == null) return { }; | 1410 if (x == null) return { }; |
1418 return ToObject(x); | 1411 return ToObject(x); |
1419 } | 1412 } |
1420 } | 1413 } |
1421 | 1414 |
1422 | 1415 |
1423 // ---------------------------------------------------------------------------- | 1416 // ---------------------------------------------------------------------------- |
1424 // Object | 1417 // Object |
1425 | 1418 |
1426 function SetUpObject() { | 1419 function SetUpObject() { |
1427 %CheckIsBootstrapping(); | 1420 %CheckIsBootstrapping(); |
1428 | 1421 |
1429 %SetNativeFlag($Object); | 1422 %SetNativeFlag($Object); |
1430 %SetCode($Object, ObjectConstructor); | 1423 %SetCode($Object, ObjectConstructor); |
1431 %FunctionSetName(ObjectPoisonProto, "__proto__"); | |
1432 %FunctionRemovePrototype(ObjectPoisonProto); | |
1433 %SetExpectedNumberOfProperties($Object, 4); | 1424 %SetExpectedNumberOfProperties($Object, 4); |
1434 | 1425 |
1435 %SetProperty($Object.prototype, "constructor", $Object, DONT_ENUM); | 1426 %SetProperty($Object.prototype, "constructor", $Object, DONT_ENUM); |
1436 | 1427 |
1437 // Set up non-enumerable functions on the Object.prototype object. | 1428 // Set up non-enumerable functions on the Object.prototype object. |
1438 InstallFunctions($Object.prototype, DONT_ENUM, $Array( | 1429 InstallFunctions($Object.prototype, DONT_ENUM, $Array( |
1439 "toString", ObjectToString, | 1430 "toString", ObjectToString, |
1440 "toLocaleString", ObjectToLocaleString, | 1431 "toLocaleString", ObjectToLocaleString, |
1441 "valueOf", ObjectValueOf, | 1432 "valueOf", ObjectValueOf, |
1442 "hasOwnProperty", ObjectHasOwnProperty, | 1433 "hasOwnProperty", ObjectHasOwnProperty, |
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1904 // Eventually, we should move to a real event queue that allows to maintain | 1895 // Eventually, we should move to a real event queue that allows to maintain |
1905 // relative ordering of different kinds of tasks. | 1896 // relative ordering of different kinds of tasks. |
1906 | 1897 |
1907 RunMicrotasks.runners = new InternalArray; | 1898 RunMicrotasks.runners = new InternalArray; |
1908 | 1899 |
1909 function RunMicrotasks() { | 1900 function RunMicrotasks() { |
1910 while (%SetMicrotaskPending(false)) { | 1901 while (%SetMicrotaskPending(false)) { |
1911 for (var i in RunMicrotasks.runners) RunMicrotasks.runners[i](); | 1902 for (var i in RunMicrotasks.runners) RunMicrotasks.runners[i](); |
1912 } | 1903 } |
1913 } | 1904 } |
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