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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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440 // | 440 // |
441 // Accessors::FunctionPrototype | 441 // Accessors::FunctionPrototype |
442 // | 442 // |
443 | 443 |
444 | 444 |
445 MaybeObject* Accessors::FunctionGetPrototype(Object* object, void*) { | 445 MaybeObject* Accessors::FunctionGetPrototype(Object* object, void*) { |
446 bool found_it = false; | 446 bool found_it = false; |
447 JSFunction* function = FindInPrototypeChain<JSFunction>(object, &found_it); | 447 JSFunction* function = FindInPrototypeChain<JSFunction>(object, &found_it); |
448 if (!found_it) return Heap::undefined_value(); | 448 if (!found_it) return Heap::undefined_value(); |
449 if (!function->has_prototype()) { | 449 if (!function->has_prototype()) { |
| 450 if (!function->should_have_prototype()) return Heap::undefined_value(); |
450 Object* prototype; | 451 Object* prototype; |
451 { MaybeObject* maybe_prototype = Heap::AllocateFunctionPrototype(function); | 452 { MaybeObject* maybe_prototype = Heap::AllocateFunctionPrototype(function); |
452 if (!maybe_prototype->ToObject(&prototype)) return maybe_prototype; | 453 if (!maybe_prototype->ToObject(&prototype)) return maybe_prototype; |
453 } | 454 } |
454 Object* result; | 455 Object* result; |
455 { MaybeObject* maybe_result = function->SetPrototype(prototype); | 456 { MaybeObject* maybe_result = function->SetPrototype(prototype); |
456 if (!maybe_result->ToObject(&result)) return maybe_result; | 457 if (!maybe_result->ToObject(&result)) return maybe_result; |
457 } | 458 } |
458 } | 459 } |
459 return function->prototype(); | 460 return function->prototype(); |
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883 } | 884 } |
884 | 885 |
885 | 886 |
886 const AccessorDescriptor Accessors::ObjectPrototype = { | 887 const AccessorDescriptor Accessors::ObjectPrototype = { |
887 ObjectGetPrototype, | 888 ObjectGetPrototype, |
888 ObjectSetPrototype, | 889 ObjectSetPrototype, |
889 0 | 890 0 |
890 }; | 891 }; |
891 | 892 |
892 } } // namespace v8::internal | 893 } } // namespace v8::internal |
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