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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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371 if (array_proto->elements() != heap->empty_fixed_array()) return false; | 371 if (array_proto->elements() != heap->empty_fixed_array()) return false; |
372 // Hidden prototype | 372 // Hidden prototype |
373 array_proto = JSObject::cast(array_proto->GetPrototype()); | 373 array_proto = JSObject::cast(array_proto->GetPrototype()); |
374 ASSERT(array_proto->elements() == heap->empty_fixed_array()); | 374 ASSERT(array_proto->elements() == heap->empty_fixed_array()); |
375 // Object.prototype | 375 // Object.prototype |
376 Object* proto = array_proto->GetPrototype(); | 376 Object* proto = array_proto->GetPrototype(); |
377 if (proto == heap->null_value()) return false; | 377 if (proto == heap->null_value()) return false; |
378 array_proto = JSObject::cast(proto); | 378 array_proto = JSObject::cast(proto); |
379 if (array_proto != global_context->initial_object_prototype()) return false; | 379 if (array_proto != global_context->initial_object_prototype()) return false; |
380 if (array_proto->elements() != heap->empty_fixed_array()) return false; | 380 if (array_proto->elements() != heap->empty_fixed_array()) return false; |
381 ASSERT(array_proto->GetPrototype()->IsNull()); | 381 return array_proto->GetPrototype()->IsNull(); |
382 return true; | |
383 } | 382 } |
384 | 383 |
385 | 384 |
386 MUST_USE_RESULT | 385 MUST_USE_RESULT |
387 static inline MaybeObject* EnsureJSArrayWithWritableFastElements( | 386 static inline MaybeObject* EnsureJSArrayWithWritableFastElements( |
388 Heap* heap, Object* receiver) { | 387 Heap* heap, Object* receiver) { |
389 if (!receiver->IsJSArray()) return NULL; | 388 if (!receiver->IsJSArray()) return NULL; |
390 JSArray* array = JSArray::cast(receiver); | 389 JSArray* array = JSArray::cast(receiver); |
391 HeapObject* elms = array->elements(); | 390 HeapObject* elms = array->elements(); |
392 if (elms->map() == heap->fixed_array_map()) return elms; | 391 if (elms->map() == heap->fixed_array_map()) return elms; |
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1699 return Handle<Code>(code_address); \ | 1698 return Handle<Code>(code_address); \ |
1700 } | 1699 } |
1701 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) | 1700 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) |
1702 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) | 1701 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) |
1703 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) | 1702 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) |
1704 #undef DEFINE_BUILTIN_ACCESSOR_C | 1703 #undef DEFINE_BUILTIN_ACCESSOR_C |
1705 #undef DEFINE_BUILTIN_ACCESSOR_A | 1704 #undef DEFINE_BUILTIN_ACCESSOR_A |
1706 | 1705 |
1707 | 1706 |
1708 } } // namespace v8::internal | 1707 } } // namespace v8::internal |
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