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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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545 } | 545 } |
546 | 546 |
547 | 547 |
548 bool Object::IsContext() { | 548 bool Object::IsContext() { |
549 if (Object::IsHeapObject()) { | 549 if (Object::IsHeapObject()) { |
550 Map* map = HeapObject::cast(this)->map(); | 550 Map* map = HeapObject::cast(this)->map(); |
551 Heap* heap = map->GetHeap(); | 551 Heap* heap = map->GetHeap(); |
552 return (map == heap->function_context_map() || | 552 return (map == heap->function_context_map() || |
553 map == heap->catch_context_map() || | 553 map == heap->catch_context_map() || |
554 map == heap->with_context_map() || | 554 map == heap->with_context_map() || |
555 map == heap->global_context_map()); | 555 map == heap->global_context_map() || |
| 556 map == heap->block_context_map()); |
556 } | 557 } |
557 return false; | 558 return false; |
558 } | 559 } |
559 | 560 |
560 | 561 |
561 bool Object::IsGlobalContext() { | 562 bool Object::IsGlobalContext() { |
562 return Object::IsHeapObject() && | 563 return Object::IsHeapObject() && |
563 HeapObject::cast(this)->map() == | 564 HeapObject::cast(this)->map() == |
564 HeapObject::cast(this)->GetHeap()->global_context_map(); | 565 HeapObject::cast(this)->GetHeap()->global_context_map(); |
565 } | 566 } |
566 | 567 |
567 | 568 |
| 569 bool Object::IsSerializedScopeInfo() { |
| 570 return Object::IsHeapObject() && |
| 571 HeapObject::cast(this)->map() == |
| 572 HeapObject::cast(this)->GetHeap()->serialized_scope_info_map(); |
| 573 } |
| 574 |
| 575 |
568 bool Object::IsJSFunction() { | 576 bool Object::IsJSFunction() { |
569 return Object::IsHeapObject() | 577 return Object::IsHeapObject() |
570 && HeapObject::cast(this)->map()->instance_type() == JS_FUNCTION_TYPE; | 578 && HeapObject::cast(this)->map()->instance_type() == JS_FUNCTION_TYPE; |
571 } | 579 } |
572 | 580 |
573 | 581 |
574 template <> inline bool Is<JSFunction>(Object* obj) { | 582 template <> inline bool Is<JSFunction>(Object* obj) { |
575 return obj->IsJSFunction(); | 583 return obj->IsJSFunction(); |
576 } | 584 } |
577 | 585 |
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1328 | 1336 |
1329 | 1337 |
1330 int HeapNumber::get_sign() { | 1338 int HeapNumber::get_sign() { |
1331 return READ_INT_FIELD(this, kExponentOffset) & kSignMask; | 1339 return READ_INT_FIELD(this, kExponentOffset) & kSignMask; |
1332 } | 1340 } |
1333 | 1341 |
1334 | 1342 |
1335 ACCESSORS(JSObject, properties, FixedArray, kPropertiesOffset) | 1343 ACCESSORS(JSObject, properties, FixedArray, kPropertiesOffset) |
1336 | 1344 |
1337 | 1345 |
1338 HeapObject* JSObject::elements() { | 1346 FixedArrayBase* JSObject::elements() { |
1339 Object* array = READ_FIELD(this, kElementsOffset); | 1347 Object* array = READ_FIELD(this, kElementsOffset); |
1340 ASSERT(array->HasValidElements()); | 1348 ASSERT(array->HasValidElements()); |
1341 return reinterpret_cast<HeapObject*>(array); | 1349 return static_cast<FixedArrayBase*>(array); |
1342 } | 1350 } |
1343 | 1351 |
1344 | 1352 |
1345 void JSObject::set_elements(HeapObject* value, WriteBarrierMode mode) { | 1353 void JSObject::set_elements(FixedArrayBase* value, WriteBarrierMode mode) { |
1346 ASSERT(map()->has_fast_elements() == | 1354 ASSERT(map()->has_fast_elements() == |
1347 (value->map() == GetHeap()->fixed_array_map() || | 1355 (value->map() == GetHeap()->fixed_array_map() || |
1348 value->map() == GetHeap()->fixed_cow_array_map())); | 1356 value->map() == GetHeap()->fixed_cow_array_map())); |
1349 ASSERT(map()->has_fast_double_elements() == | 1357 ASSERT(map()->has_fast_double_elements() == |
1350 value->IsFixedDoubleArray()); | 1358 value->IsFixedDoubleArray()); |
1351 ASSERT(value->HasValidElements()); | 1359 ASSERT(value->HasValidElements()); |
1352 WRITE_FIELD(this, kElementsOffset, value); | 1360 WRITE_FIELD(this, kElementsOffset, value); |
1353 CONDITIONAL_WRITE_BARRIER(GetHeap(), this, kElementsOffset, mode); | 1361 CONDITIONAL_WRITE_BARRIER(GetHeap(), this, kElementsOffset, mode); |
1354 } | 1362 } |
1355 | 1363 |
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2107 | 2115 |
2108 | 2116 |
2109 template <typename Shape, typename Key> | 2117 template <typename Shape, typename Key> |
2110 HashTable<Shape, Key>* HashTable<Shape, Key>::cast(Object* obj) { | 2118 HashTable<Shape, Key>* HashTable<Shape, Key>::cast(Object* obj) { |
2111 ASSERT(obj->IsHashTable()); | 2119 ASSERT(obj->IsHashTable()); |
2112 return reinterpret_cast<HashTable*>(obj); | 2120 return reinterpret_cast<HashTable*>(obj); |
2113 } | 2121 } |
2114 | 2122 |
2115 | 2123 |
2116 SMI_ACCESSORS(FixedArrayBase, length, kLengthOffset) | 2124 SMI_ACCESSORS(FixedArrayBase, length, kLengthOffset) |
2117 SMI_ACCESSORS(ByteArray, length, kLengthOffset) | |
2118 | |
2119 // TODO(1493): Investigate if it's possible to s/INT/SMI/ here (and | |
2120 // subsequently unify H{Fixed,External}ArrayLength). | |
2121 INT_ACCESSORS(ExternalArray, length, kLengthOffset) | |
2122 | |
2123 | 2125 |
2124 SMI_ACCESSORS(String, length, kLengthOffset) | 2126 SMI_ACCESSORS(String, length, kLengthOffset) |
2125 | 2127 |
2126 | 2128 |
2127 uint32_t String::hash_field() { | 2129 uint32_t String::hash_field() { |
2128 return READ_UINT32_FIELD(this, kHashFieldOffset); | 2130 return READ_UINT32_FIELD(this, kHashFieldOffset); |
2129 } | 2131 } |
2130 | 2132 |
2131 | 2133 |
2132 void String::set_hash_field(uint32_t value) { | 2134 void String::set_hash_field(uint32_t value) { |
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4606 #undef WRITE_INT_FIELD | 4608 #undef WRITE_INT_FIELD |
4607 #undef READ_SHORT_FIELD | 4609 #undef READ_SHORT_FIELD |
4608 #undef WRITE_SHORT_FIELD | 4610 #undef WRITE_SHORT_FIELD |
4609 #undef READ_BYTE_FIELD | 4611 #undef READ_BYTE_FIELD |
4610 #undef WRITE_BYTE_FIELD | 4612 #undef WRITE_BYTE_FIELD |
4611 | 4613 |
4612 | 4614 |
4613 } } // namespace v8::internal | 4615 } } // namespace v8::internal |
4614 | 4616 |
4615 #endif // V8_OBJECTS_INL_H_ | 4617 #endif // V8_OBJECTS_INL_H_ |
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