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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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503 { MaybeObject* maybe_elms_obj = | 503 { MaybeObject* maybe_elms_obj = |
504 EnsureJSArrayWithWritableFastElements(heap, receiver, &args, 1); | 504 EnsureJSArrayWithWritableFastElements(heap, receiver, &args, 1); |
505 if (maybe_elms_obj == NULL) { | 505 if (maybe_elms_obj == NULL) { |
506 return CallJsBuiltin(isolate, "ArrayPush", args); | 506 return CallJsBuiltin(isolate, "ArrayPush", args); |
507 } | 507 } |
508 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; | 508 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; |
509 } | 509 } |
510 FixedArray* elms = FixedArray::cast(elms_obj); | 510 FixedArray* elms = FixedArray::cast(elms_obj); |
511 JSArray* array = JSArray::cast(receiver); | 511 JSArray* array = JSArray::cast(receiver); |
512 | 512 |
| 513 if (FLAG_harmony_observation && array->map()->is_observed()) { |
| 514 return CallJsBuiltin(isolate, "ArrayPush", args); |
| 515 } |
| 516 |
513 int len = Smi::cast(array->length())->value(); | 517 int len = Smi::cast(array->length())->value(); |
514 int to_add = args.length() - 1; | 518 int to_add = args.length() - 1; |
515 if (to_add == 0) { | 519 if (to_add == 0) { |
516 return Smi::FromInt(len); | 520 return Smi::FromInt(len); |
517 } | 521 } |
518 // Currently fixed arrays cannot grow too big, so | 522 // Currently fixed arrays cannot grow too big, so |
519 // we should never hit this case. | 523 // we should never hit this case. |
520 ASSERT(to_add <= (Smi::kMaxValue - len)); | 524 ASSERT(to_add <= (Smi::kMaxValue - len)); |
521 | 525 |
522 int new_length = len + to_add; | 526 int new_length = len + to_add; |
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559 Object* receiver = *args.receiver(); | 563 Object* receiver = *args.receiver(); |
560 Object* elms_obj; | 564 Object* elms_obj; |
561 { MaybeObject* maybe_elms_obj = | 565 { MaybeObject* maybe_elms_obj = |
562 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); | 566 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); |
563 if (maybe_elms_obj == NULL) return CallJsBuiltin(isolate, "ArrayPop", args); | 567 if (maybe_elms_obj == NULL) return CallJsBuiltin(isolate, "ArrayPop", args); |
564 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; | 568 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; |
565 } | 569 } |
566 FixedArray* elms = FixedArray::cast(elms_obj); | 570 FixedArray* elms = FixedArray::cast(elms_obj); |
567 JSArray* array = JSArray::cast(receiver); | 571 JSArray* array = JSArray::cast(receiver); |
568 | 572 |
| 573 if (FLAG_harmony_observation && array->map()->is_observed()) { |
| 574 return CallJsBuiltin(isolate, "ArrayPop", args); |
| 575 } |
| 576 |
569 int len = Smi::cast(array->length())->value(); | 577 int len = Smi::cast(array->length())->value(); |
570 if (len == 0) return heap->undefined_value(); | 578 if (len == 0) return heap->undefined_value(); |
571 | 579 |
572 // Get top element | 580 // Get top element |
573 MaybeObject* top = elms->get(len - 1); | 581 Object* top = elms->get(len - 1); |
574 | 582 |
575 // Set the length. | 583 // Set the length. |
576 array->set_length(Smi::FromInt(len - 1)); | 584 array->set_length(Smi::FromInt(len - 1)); |
577 | 585 |
578 if (!top->IsTheHole()) { | 586 if (!top->IsTheHole()) { |
579 // Delete the top element. | 587 // Delete the top element. |
580 elms->set_the_hole(len - 1); | 588 elms->set_the_hole(len - 1); |
581 return top; | 589 return top; |
582 } | 590 } |
583 | 591 |
584 top = array->GetPrototype()->GetElement(len - 1); | 592 return array->GetPrototype()->GetElement(len - 1); |
585 | |
586 return top; | |
587 } | 593 } |
588 | 594 |
589 | 595 |
590 BUILTIN(ArrayShift) { | 596 BUILTIN(ArrayShift) { |
591 Heap* heap = isolate->heap(); | 597 Heap* heap = isolate->heap(); |
592 Object* receiver = *args.receiver(); | 598 Object* receiver = *args.receiver(); |
593 Object* elms_obj; | 599 Object* elms_obj; |
594 { MaybeObject* maybe_elms_obj = | 600 { MaybeObject* maybe_elms_obj = |
595 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); | 601 EnsureJSArrayWithWritableFastElements(heap, receiver, NULL, 0); |
596 if (maybe_elms_obj == NULL) | 602 if (maybe_elms_obj == NULL) |
597 return CallJsBuiltin(isolate, "ArrayShift", args); | 603 return CallJsBuiltin(isolate, "ArrayShift", args); |
598 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; | 604 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; |
599 } | 605 } |
600 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { | 606 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { |
601 return CallJsBuiltin(isolate, "ArrayShift", args); | 607 return CallJsBuiltin(isolate, "ArrayShift", args); |
602 } | 608 } |
603 FixedArray* elms = FixedArray::cast(elms_obj); | 609 FixedArray* elms = FixedArray::cast(elms_obj); |
604 JSArray* array = JSArray::cast(receiver); | 610 JSArray* array = JSArray::cast(receiver); |
605 ASSERT(array->HasFastSmiOrObjectElements()); | 611 ASSERT(array->HasFastSmiOrObjectElements()); |
606 | 612 |
| 613 if (FLAG_harmony_observation && array->map()->is_observed()) { |
| 614 return CallJsBuiltin(isolate, "ArrayShift", args); |
| 615 } |
| 616 |
607 int len = Smi::cast(array->length())->value(); | 617 int len = Smi::cast(array->length())->value(); |
608 if (len == 0) return heap->undefined_value(); | 618 if (len == 0) return heap->undefined_value(); |
609 | 619 |
610 // Get first element | 620 // Get first element |
611 Object* first = elms->get(0); | 621 Object* first = elms->get(0); |
612 if (first->IsTheHole()) { | 622 if (first->IsTheHole()) { |
613 first = heap->undefined_value(); | 623 first = heap->undefined_value(); |
614 } | 624 } |
615 | 625 |
616 if (!heap->lo_space()->Contains(elms)) { | 626 if (!heap->lo_space()->Contains(elms)) { |
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639 return CallJsBuiltin(isolate, "ArrayUnshift", args); | 649 return CallJsBuiltin(isolate, "ArrayUnshift", args); |
640 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; | 650 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; |
641 } | 651 } |
642 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { | 652 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { |
643 return CallJsBuiltin(isolate, "ArrayUnshift", args); | 653 return CallJsBuiltin(isolate, "ArrayUnshift", args); |
644 } | 654 } |
645 FixedArray* elms = FixedArray::cast(elms_obj); | 655 FixedArray* elms = FixedArray::cast(elms_obj); |
646 JSArray* array = JSArray::cast(receiver); | 656 JSArray* array = JSArray::cast(receiver); |
647 ASSERT(array->HasFastSmiOrObjectElements()); | 657 ASSERT(array->HasFastSmiOrObjectElements()); |
648 | 658 |
| 659 if (FLAG_harmony_observation && array->map()->is_observed()) { |
| 660 return CallJsBuiltin(isolate, "ArrayUnshift", args); |
| 661 } |
| 662 |
649 int len = Smi::cast(array->length())->value(); | 663 int len = Smi::cast(array->length())->value(); |
650 int to_add = args.length() - 1; | 664 int to_add = args.length() - 1; |
651 int new_length = len + to_add; | 665 int new_length = len + to_add; |
652 // Currently fixed arrays cannot grow too big, so | 666 // Currently fixed arrays cannot grow too big, so |
653 // we should never hit this case. | 667 // we should never hit this case. |
654 ASSERT(to_add <= (Smi::kMaxValue - len)); | 668 ASSERT(to_add <= (Smi::kMaxValue - len)); |
655 | 669 |
656 MaybeObject* maybe_object = | 670 MaybeObject* maybe_object = |
657 array->EnsureCanContainElements(&args, 1, to_add, | 671 array->EnsureCanContainElements(&args, 1, to_add, |
658 DONT_ALLOW_DOUBLE_ELEMENTS); | 672 DONT_ALLOW_DOUBLE_ELEMENTS); |
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795 return CallJsBuiltin(isolate, "ArraySplice", args); | 809 return CallJsBuiltin(isolate, "ArraySplice", args); |
796 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; | 810 if (!maybe_elms_obj->ToObject(&elms_obj)) return maybe_elms_obj; |
797 } | 811 } |
798 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { | 812 if (!IsJSArrayFastElementMovingAllowed(heap, JSArray::cast(receiver))) { |
799 return CallJsBuiltin(isolate, "ArraySplice", args); | 813 return CallJsBuiltin(isolate, "ArraySplice", args); |
800 } | 814 } |
801 FixedArray* elms = FixedArray::cast(elms_obj); | 815 FixedArray* elms = FixedArray::cast(elms_obj); |
802 JSArray* array = JSArray::cast(receiver); | 816 JSArray* array = JSArray::cast(receiver); |
803 ASSERT(array->HasFastSmiOrObjectElements()); | 817 ASSERT(array->HasFastSmiOrObjectElements()); |
804 | 818 |
| 819 if (FLAG_harmony_observation && array->map()->is_observed()) { |
| 820 return CallJsBuiltin(isolate, "ArraySplice", args); |
| 821 } |
| 822 |
805 int len = Smi::cast(array->length())->value(); | 823 int len = Smi::cast(array->length())->value(); |
806 | 824 |
807 int n_arguments = args.length() - 1; | 825 int n_arguments = args.length() - 1; |
808 | 826 |
809 int relative_start = 0; | 827 int relative_start = 0; |
810 if (n_arguments > 0) { | 828 if (n_arguments > 0) { |
811 Object* arg1 = args[1]; | 829 Object* arg1 = args[1]; |
812 if (arg1->IsSmi()) { | 830 if (arg1->IsSmi()) { |
813 relative_start = Smi::cast(arg1)->value(); | 831 relative_start = Smi::cast(arg1)->value(); |
814 } else if (!arg1->IsUndefined()) { | 832 } else if (!arg1->IsUndefined()) { |
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1716 return Handle<Code>(code_address); \ | 1734 return Handle<Code>(code_address); \ |
1717 } | 1735 } |
1718 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) | 1736 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C) |
1719 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) | 1737 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A) |
1720 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) | 1738 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A) |
1721 #undef DEFINE_BUILTIN_ACCESSOR_C | 1739 #undef DEFINE_BUILTIN_ACCESSOR_C |
1722 #undef DEFINE_BUILTIN_ACCESSOR_A | 1740 #undef DEFINE_BUILTIN_ACCESSOR_A |
1723 | 1741 |
1724 | 1742 |
1725 } } // namespace v8::internal | 1743 } } // namespace v8::internal |
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