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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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541 uint32_t key, | 541 uint32_t key, |
542 Handle<FixedArrayBase> backing_store = Handle<FixedArrayBase>::null()) { | 542 Handle<FixedArrayBase> backing_store = Handle<FixedArrayBase>::null()) { |
543 CALL_HEAP_FUNCTION(isolate, | 543 CALL_HEAP_FUNCTION(isolate, |
544 accessor->Get(*receiver, *holder, key, | 544 accessor->Get(*receiver, *holder, key, |
545 backing_store.is_null() | 545 backing_store.is_null() |
546 ? *backing_store : NULL), | 546 ? *backing_store : NULL), |
547 Object); | 547 Object); |
548 } | 548 } |
549 | 549 |
550 | 550 |
551 // TODO(ishell): Temporary wrapper until handlified. | |
552 static Handle<Object> ElementsAccessorSetLengthWrapper( | |
553 Isolate* isolate, | |
554 ElementsAccessor* accessor, | |
555 Handle<JSArray> array, | |
556 int new_length) { | |
557 CALL_HEAP_FUNCTION(isolate, | |
558 accessor->SetLength(*array, Smi::FromInt(new_length)), | |
559 Object); | |
560 } | |
561 | |
562 | |
563 BUILTIN(ArrayPop) { | 551 BUILTIN(ArrayPop) { |
564 HandleScope scope(isolate); | 552 HandleScope scope(isolate); |
565 Handle<Object> receiver = args.receiver(); | 553 Handle<Object> receiver = args.receiver(); |
566 Handle<Object> elms_or_null = | 554 Handle<Object> elms_or_null = |
567 EnsureJSArrayWithWritableFastElementsWrapper(isolate, receiver, NULL, 0); | 555 EnsureJSArrayWithWritableFastElementsWrapper(isolate, receiver, NULL, 0); |
568 RETURN_IF_EMPTY_HANDLE(isolate, elms_or_null); | 556 RETURN_IF_EMPTY_HANDLE(isolate, elms_or_null); |
569 if (*elms_or_null == NULL) return CallJsBuiltin(isolate, "ArrayPop", args); | 557 if (*elms_or_null == NULL) return CallJsBuiltin(isolate, "ArrayPop", args); |
570 | 558 |
571 Handle<FixedArrayBase> elms_obj = Handle<FixedArrayBase>::cast(elms_or_null); | 559 Handle<FixedArrayBase> elms_obj = Handle<FixedArrayBase>::cast(elms_or_null); |
572 Handle<JSArray> array = Handle<JSArray>::cast(receiver); | 560 Handle<JSArray> array = Handle<JSArray>::cast(receiver); |
573 ASSERT(!array->map()->is_observed()); | 561 ASSERT(!array->map()->is_observed()); |
574 | 562 |
575 int len = Smi::cast(array->length())->value(); | 563 int len = Smi::cast(array->length())->value(); |
576 if (len == 0) return isolate->heap()->undefined_value(); | 564 if (len == 0) return isolate->heap()->undefined_value(); |
577 | 565 |
578 ElementsAccessor* accessor = array->GetElementsAccessor(); | 566 ElementsAccessor* accessor = array->GetElementsAccessor(); |
579 int new_length = len - 1; | 567 int new_length = len - 1; |
580 Handle<Object> element; | 568 Handle<Object> element; |
581 if (ElementsAccessorHasElementWrapper( | 569 if (ElementsAccessorHasElementWrapper( |
582 accessor, array, array, new_length, elms_obj)) { | 570 accessor, array, array, new_length, elms_obj)) { |
583 element = ElementsAccessorGetWrapper( | 571 element = ElementsAccessorGetWrapper( |
584 isolate, accessor, array, array, new_length, elms_obj); | 572 isolate, accessor, array, array, new_length, elms_obj); |
585 } else { | 573 } else { |
586 Handle<Object> proto(array->GetPrototype(), isolate); | 574 Handle<Object> proto(array->GetPrototype(), isolate); |
587 element = Object::GetElement(isolate, proto, len - 1); | 575 element = Object::GetElement(isolate, proto, len - 1); |
588 } | 576 } |
589 RETURN_IF_EMPTY_HANDLE(isolate, element); | 577 RETURN_IF_EMPTY_HANDLE(isolate, element); |
590 RETURN_IF_EMPTY_HANDLE(isolate, | 578 RETURN_IF_EMPTY_HANDLE(isolate, |
591 ElementsAccessorSetLengthWrapper( | 579 accessor->SetLength( |
592 isolate, accessor, array, new_length)); | 580 array, handle(Smi::FromInt(new_length), isolate))); |
593 return *element; | 581 return *element; |
594 } | 582 } |
595 | 583 |
596 | 584 |
597 BUILTIN(ArrayShift) { | 585 BUILTIN(ArrayShift) { |
598 Heap* heap = isolate->heap(); | 586 Heap* heap = isolate->heap(); |
599 Object* receiver = *args.receiver(); | 587 Object* receiver = *args.receiver(); |
600 FixedArrayBase* elms_obj; | 588 FixedArrayBase* elms_obj; |
601 MaybeObject* maybe_elms_obj = | 589 MaybeObject* maybe_elms_obj = |
602 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); | 590 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); |
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1794 } | 1782 } |
1795 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) | 1783 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) |
1796 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) | 1784 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) |
1797 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H) | 1785 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H) |
1798 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) | 1786 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) |
1799 #undef DEFINE_BUILTIN_ACCESSOR_C | 1787 #undef DEFINE_BUILTIN_ACCESSOR_C |
1800 #undef DEFINE_BUILTIN_ACCESSOR_A | 1788 #undef DEFINE_BUILTIN_ACCESSOR_A |
1801 | 1789 |
1802 | 1790 |
1803 } } // namespace v8::internal | 1791 } } // namespace v8::internal |
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