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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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630 bool cache_result) { | 630 bool cache_result) { |
631 Isolate* isolate = object->GetIsolate(); | 631 Isolate* isolate = object->GetIsolate(); |
632 if (object->HasFastProperties()) { | 632 if (object->HasFastProperties()) { |
633 if (object->map()->instance_descriptors()->HasEnumCache()) { | 633 if (object->map()->instance_descriptors()->HasEnumCache()) { |
634 int own_property_count = object->map()->EnumLength(); | 634 int own_property_count = object->map()->EnumLength(); |
635 // If we have an enum cache, but the enum length of the given map is set | 635 // If we have an enum cache, but the enum length of the given map is set |
636 // to kInvalidEnumCache, this means that the map itself has never used the | 636 // to kInvalidEnumCache, this means that the map itself has never used the |
637 // present enum cache. The first step to using the cache is to set the | 637 // present enum cache. The first step to using the cache is to set the |
638 // enum length of the map by counting the number of own descriptors that | 638 // enum length of the map by counting the number of own descriptors that |
639 // are not DONT_ENUM or SYMBOLIC. | 639 // are not DONT_ENUM or SYMBOLIC. |
640 if (own_property_count == Map::kInvalidEnumCache) { | 640 if (own_property_count == kInvalidEnumCacheSentinel) { |
641 own_property_count = object->map()->NumberOfDescribedProperties( | 641 own_property_count = object->map()->NumberOfDescribedProperties( |
642 OWN_DESCRIPTORS, DONT_SHOW); | 642 OWN_DESCRIPTORS, DONT_SHOW); |
643 | 643 |
644 if (cache_result) object->map()->SetEnumLength(own_property_count); | 644 if (cache_result) object->map()->SetEnumLength(own_property_count); |
645 } | 645 } |
646 | 646 |
647 DescriptorArray* desc = object->map()->instance_descriptors(); | 647 DescriptorArray* desc = object->map()->instance_descriptors(); |
648 Handle<FixedArray> keys(desc->GetEnumCache(), isolate); | 648 Handle<FixedArray> keys(desc->GetEnumCache(), isolate); |
649 | 649 |
650 // In case the number of properties required in the enum are actually | 650 // In case the number of properties required in the enum are actually |
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795 Handle<Code> code) { | 795 Handle<Code> code) { |
796 heap->EnsureWeakObjectToCodeTable(); | 796 heap->EnsureWeakObjectToCodeTable(); |
797 Handle<DependentCode> dep(heap->LookupWeakObjectToCodeDependency(*object)); | 797 Handle<DependentCode> dep(heap->LookupWeakObjectToCodeDependency(*object)); |
798 dep = DependentCode::Insert(dep, DependentCode::kWeaklyEmbeddedGroup, code); | 798 dep = DependentCode::Insert(dep, DependentCode::kWeaklyEmbeddedGroup, code); |
799 CALL_HEAP_FUNCTION_VOID(heap->isolate(), | 799 CALL_HEAP_FUNCTION_VOID(heap->isolate(), |
800 heap->AddWeakObjectToCodeDependency(*object, *dep)); | 800 heap->AddWeakObjectToCodeDependency(*object, *dep)); |
801 } | 801 } |
802 | 802 |
803 | 803 |
804 } } // namespace v8::internal | 804 } } // namespace v8::internal |
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