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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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1489 return true; | 1489 return true; |
1490 } | 1490 } |
1491 | 1491 |
1492 | 1492 |
1493 FixedArrayBase* JSObject::elements() { | 1493 FixedArrayBase* JSObject::elements() { |
1494 Object* array = READ_FIELD(this, kElementsOffset); | 1494 Object* array = READ_FIELD(this, kElementsOffset); |
1495 return static_cast<FixedArrayBase*>(array); | 1495 return static_cast<FixedArrayBase*>(array); |
1496 } | 1496 } |
1497 | 1497 |
1498 | 1498 |
1499 void JSObject::ValidateElements() { | 1499 void JSObject::ValidateElements(Handle<JSObject> object) { |
1500 #ifdef ENABLE_SLOW_ASSERTS | 1500 #ifdef ENABLE_SLOW_ASSERTS |
1501 if (FLAG_enable_slow_asserts) { | 1501 if (FLAG_enable_slow_asserts) { |
1502 ElementsAccessor* accessor = GetElementsAccessor(); | 1502 ElementsAccessor* accessor = object->GetElementsAccessor(); |
1503 accessor->Validate(this); | 1503 accessor->Validate(object); |
1504 } | 1504 } |
1505 #endif | 1505 #endif |
1506 } | 1506 } |
1507 | 1507 |
1508 | 1508 |
1509 void AllocationSite::Initialize() { | 1509 void AllocationSite::Initialize() { |
1510 set_transition_info(Smi::FromInt(0)); | 1510 set_transition_info(Smi::FromInt(0)); |
1511 SetElementsKind(GetInitialFastElementsKind()); | 1511 SetElementsKind(GetInitialFastElementsKind()); |
1512 set_nested_site(Smi::FromInt(0)); | 1512 set_nested_site(Smi::FromInt(0)); |
1513 set_pretenure_data(Smi::FromInt(0)); | 1513 set_pretenure_data(Smi::FromInt(0)); |
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1633 } | 1633 } |
1634 | 1634 |
1635 // Clear feedback calculation fields until the next gc. | 1635 // Clear feedback calculation fields until the next gc. |
1636 set_memento_found_count(0); | 1636 set_memento_found_count(0); |
1637 set_memento_create_count(0); | 1637 set_memento_create_count(0); |
1638 return decision_changed; | 1638 return decision_changed; |
1639 } | 1639 } |
1640 | 1640 |
1641 | 1641 |
1642 void JSObject::EnsureCanContainHeapObjectElements(Handle<JSObject> object) { | 1642 void JSObject::EnsureCanContainHeapObjectElements(Handle<JSObject> object) { |
1643 object->ValidateElements(); | 1643 JSObject::ValidateElements(object); |
1644 ElementsKind elements_kind = object->map()->elements_kind(); | 1644 ElementsKind elements_kind = object->map()->elements_kind(); |
1645 if (!IsFastObjectElementsKind(elements_kind)) { | 1645 if (!IsFastObjectElementsKind(elements_kind)) { |
1646 if (IsFastHoleyElementsKind(elements_kind)) { | 1646 if (IsFastHoleyElementsKind(elements_kind)) { |
1647 TransitionElementsKind(object, FAST_HOLEY_ELEMENTS); | 1647 TransitionElementsKind(object, FAST_HOLEY_ELEMENTS); |
1648 } else { | 1648 } else { |
1649 TransitionElementsKind(object, FAST_ELEMENTS); | 1649 TransitionElementsKind(object, FAST_ELEMENTS); |
1650 } | 1650 } |
1651 } | 1651 } |
1652 } | 1652 } |
1653 | 1653 |
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6924 #undef READ_UINT32_FIELD | 6924 #undef READ_UINT32_FIELD |
6925 #undef WRITE_UINT32_FIELD | 6925 #undef WRITE_UINT32_FIELD |
6926 #undef READ_SHORT_FIELD | 6926 #undef READ_SHORT_FIELD |
6927 #undef WRITE_SHORT_FIELD | 6927 #undef WRITE_SHORT_FIELD |
6928 #undef READ_BYTE_FIELD | 6928 #undef READ_BYTE_FIELD |
6929 #undef WRITE_BYTE_FIELD | 6929 #undef WRITE_BYTE_FIELD |
6930 | 6930 |
6931 } } // namespace v8::internal | 6931 } } // namespace v8::internal |
6932 | 6932 |
6933 #endif // V8_OBJECTS_INL_H_ | 6933 #endif // V8_OBJECTS_INL_H_ |
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