v8  3.11.10(node0.8.26)
V8 is Google's open source JavaScript engine
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Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions
HeapObject Class Reference

#include <objects.h>

Inheritance diagram for HeapObject:
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Collaboration diagram for HeapObject:
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Public Member Functions

Map * map ()
 
void set_map (Map *value)
 
void set_map_no_write_barrier (Map *value)
 
MapWord map_word ()
 
void set_map_word (MapWord map_word)
 
Heap * GetHeap ()
 
Isolate * GetIsolate ()
 
Address address ()
 
void Iterate (ObjectVisitor *v)
 
void IterateBody (InstanceType type, int object_size, ObjectVisitor *v)
 
int Size ()
 
int SizeFromMap (Map *map)
 
WriteBarrierMode GetWriteBarrierMode (const AssertNoAllocation &)
 
void HeapObjectShortPrint (StringStream *accumulator)
 
 STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)
 
- Public Member Functions inherited from Object
bool IsObject ()
 
bool IsFixedArrayBase ()
 
bool IsInstanceOf (FunctionTemplateInfo *type)
 
bool IsStruct ()
 
 INLINE (bool IsSpecObject())
 
 INLINE (bool IsSpecFunction())
 
 INLINE (bool IsUndefined())
 
 INLINE (bool IsNull())
 
 INLINE (bool IsTheHole())
 
 INLINE (bool IsTrue())
 
 INLINE (bool IsFalse())
 
bool IsArgumentsMarker ()
 
bool NonFailureIsHeapObject ()
 
bool IsFiller ()
 
double Number ()
 
bool IsNaN ()
 
bool HasValidElements ()
 
bool HasSpecificClassOf (String *name)
 
MUST_USE_RESULT MaybeObject * ToObject ()
 
Object * ToBoolean ()
 
MUST_USE_RESULT MaybeObject * ToObject (Context *global_context)
 
MUST_USE_RESULT MaybeObject * ToSmi ()
 
void Lookup (String *name, LookupResult *result)
 
MUST_USE_RESULT MaybeObject * GetProperty (String *key)
 
MUST_USE_RESULT MaybeObject * GetProperty (String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithReceiver (Object *receiver, String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetProperty (Object *receiver, LookupResult *result, String *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
 
MUST_USE_RESULT MaybeObject * GetElement (uint32_t index)
 
Object * GetElementNoExceptionThrown (uint32_t index)
 
MUST_USE_RESULT MaybeObject * GetElementWithReceiver (Object *receiver, uint32_t index)
 
Object * GetPrototype ()
 
MUST_USE_RESULT MaybeObject * GetHash (CreationFlag flag)
 
bool SameValue (Object *other)
 
bool ToArrayIndex (uint32_t *index)
 
bool IsStringObjectWithCharacterAt (uint32_t index)
 
void ShortPrint ()
 
void ShortPrint (FILE *out)
 
void ShortPrint (StringStream *accumulator)
 

Static Public Member Functions

static HeapObject * FromAddress (Address address)
 
static Object ** RawField (HeapObject *obj, int offset)
 
static HeapObject * cast (Object *obj)
 
- Static Public Member Functions inherited from Object
static Handle< Object > GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< String > key, PropertyAttributes *attributes)
 
static Handle< Object > GetElement (Handle< Object > object, uint32_t index)
 
static Object * cast (Object *value)
 

Static Public Attributes

static const int kMapOffset = Object::kHeaderSize
 
static const int kHeaderSize = kMapOffset + kPointerSize
 
- Static Public Attributes inherited from Object
static const int kHeaderSize = 0
 

Protected Member Functions

void IteratePointers (ObjectVisitor *v, int start, int end)
 
void IteratePointer (ObjectVisitor *v, int offset)
 

Detailed Description

Definition at line 1134 of file objects.h.

Member Function Documentation

Address address ( )
inline

Definition at line 1169 of file objects-inl.h.

References v8::internal::kHeapObjectTag.

Referenced by Heap::AllocateArgumentsObject(), Heap::AllocateAsciiSymbol(), PagedSpace::AllocateRaw(), Heap::AllocateTwoByteSymbol(), IncrementalMarking::BlackToGreyAndUnshift(), Logger::CodeCreateEvent(), CpuProfiler::CodeCreateEvent(), Code::CodeIterateBody(), Heap::Contains(), PagedSpace::Contains(), Code::contains(), Heap::CopyCode(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), Heap::CopyJSObject(), v8::internal::CopyObjectToObjectElements(), Heap::CreateCode(), Code::ExecutableSize(), LargeObjectSpace::FreeUnmarkedObjects(), NormalizedMapCache::Get(), HeapProfiler::GetSnapshotObjectId(), IncrementalMarking::Hurry(), Heap::InSpace(), StoreBuffer::IteratePointersToNewSpace(), JSFunction::JSFunctionIterateBody(), String::MakeExternal(), Marker< BaseMarker >::MarkMapContents(), IndexedReferencesExtractor::MarkVisitedField(), FreeListNode::next(), BASE_EMBEDDED< Visitor >::next(), FreeListNode::next_address(), FixedArray::NoIncrementalWriteBarrierSet(), JSObject::NormalizeProperties(), MarkingDeque::PushBlack(), Logger::RegExpCodeCreateEvent(), CpuProfiler::RegExpCodeCreateEvent(), Heap::ReinitializeJSReceiver(), MarkCompactCollector::ReportDeleteIfNeeded(), PagedSpace::ReserveSpace(), NewSpace::ReserveSpace(), Serializer::ObjectSerializer::Serialize(), FreeListNode::set_next(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::SetLengthWithoutNormalize(), NewSpace::ShrinkStringAtAllocationBoundary(), IncrementalMarking::Step(), TEST(), and MarkCompactCollector::TryPromoteObject().

static HeapObject* cast ( Object *  obj)
inlinestatic

Referenced by Heap::Allocate(), Heap::AllocateArgumentsObject(), Heap::AllocateHeapNumber(), Heap::AllocateJSGlobalPropertyCell(), Heap::AllocateRawAsciiString(), Heap::AllocateRawTwoByteString(), JSModule::cast(), JSValue::cast(), JSDate::cast(), JSMessageObject::cast(), HeapObjectsSet::Contains(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), Heap::CopyJSObject(), Heap::CreateCode(), Execution::GetConstructorDelegate(), Object::GetElementWithReceiver(), Execution::GetFunctionDelegate(), Object::GetPrototype(), JSReceiver::GetPrototype(), HeapProfiler::GetSnapshotObjectId(), HeapObjectsSet::GetTag(), IncrementalMarking::Hurry(), HeapObjectsSet::Insert(), Object::IsFiller(), MarkCompactCollector::IsMarked(), Object::IsStruct(), Heap::IterateAndMarkPointersToFromSpace(), JSObject::JSObjectShortPrint(), Marker< BaseMarker >::MarkAccessorPairSlot(), Marker< BaseMarker >::MarkDescriptorArray(), Marker< BaseMarker >::MarkMapContents(), StringStream::PrintFunction(), StringStream::PrintSecurityTokenIfChanged(), Map::PutPrototypeTransition(), IncrementalMarking::RecordWriteFromCode(), IncrementalMarking::RecordWriteIntoCodeSlow(), RuntimeProfiler::RemoveDeadSamples(), NewSpace::ReserveSpace(), ScavengeWeakObjectRetainer::RetainAs(), MarkCompactWeakObjectRetainer::RetainAs(), EvacuationWeakObjectRetainer::RetainAs(), v8::internal::RUNTIME_FUNCTION(), PartialSerializer::SerializeObject(), StartupSerializer::SerializeObject(), HeapObjectsSet::SetTag(), Object::ShortPrint(), TEST(), Object::ToBoolean(), Object::ToObject(), Execution::TryGetConstructorDelegate(), Execution::TryGetFunctionDelegate(), MarkCompactCollector::TryPromoteObject(), RuntimeProfiler::UpdateSamplesAfterScavenge(), PointersUpdatingVisitor::UpdateSlot(), StaticMarkingVisitor::VisitEmbeddedPointer(), Serializer::ObjectSerializer::VisitPointers(), SymbolTableCleaner::VisitPointers(), and StaticMarkingVisitor::VisitUnmarkedObjects().

HeapObject * FromAddress ( Address  address)
inlinestatic

Definition at line 1163 of file objects-inl.h.

References ASSERT_TAG_ALIGNED, and v8::internal::kHeapObjectTag.

Referenced by PagedSpace::AllocateLinearly(), Heap::CreateFillerObjectAt(), FreeListNode::FromAddress(), InnerPointerToCodeCache::GcSafeFindCodeForInnerPointer(), Code::GetCodeFromTargetAddress(), LargePage::GetObject(), Code::GetObjectFromEntryAddress(), Heap::IterateAndMarkPointersToFromSpace(), MarkCompactCollector::MigrateObject(), SemiSpaceIterator::Next(), PagedSpace::ReleaseAllUnusedPages(), TEST(), and Marking::TransferMark().

Heap * GetHeap ( )
inline

Definition at line 1116 of file objects-inl.h.

References ASSERT, MemoryChunk::FromAddress(), MemoryChunk::heap(), Heap::isolate(), and v8::internal::NULL.

Referenced by JSObject::AddConstantFunctionProperty(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::AddElementsToFixedArray(), JSObject::AddFastProperty(), Context::AddOptimizedFunction(), JSObject::AddProperty(), JSObject::AddSlowProperty(), SharedFunctionInfo::AttachInitialMap(), v8::internal::BOOL_ACCESSORS(), JSObject::BypassGlobalProxy(), SharedFunctionInfo::CanGenerateInlineConstructor(), JSReceiver::class_name(), JSFunctionResultCache::Clear(), Context::ClearOptimizedFunctions(), SharedFunctionInfo::ClearThisPropertyAssignmentsInfo(), SharedFunctionInfo::CompleteInobjectSlackTracking(), JSReceiver::constructor_name(), FixedArray::ContainsOnlySmisOrHoles(), FixedArray::Copy(), FixedDoubleArray::Copy(), Map::CopyDropDescriptors(), FastSmiOrObjectElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::CopyElementsImpl(), FastDoubleElementsAccessor< FastHoleyDoubleElementsAccessor, ElementsKindTraits< FAST_HOLEY_DOUBLE_ELEMENTS > >::CopyElementsImpl(), DictionaryElementsAccessor::CopyElementsImpl(), Map::CopyNormalized(), v8::internal::CopyObjectToObjectElements(), FixedArray::CopySize(), AccessorPair::CopyWithoutTransitions(), JSObject::DefineFastAccessor(), ExternalElementsAccessor< ExternalByteElementsAccessor, EXTERNAL_BYTE_ELEMENTS >::Delete(), NonStrictArgumentsElementsAccessor::Delete(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::DeleteCommon(), JSObject::DeleteNormalizedProperty(), Dictionary< Shape, Key >::DeleteProperty(), JSProxy::DeletePropertyWithHandler(), SharedFunctionInfo::DetachInitialMap(), JSObject::EnsureCanContainElements(), HashTable< Shape, Key >::EnsureCapacity(), GlobalObject::EnsurePropertyCell(), JSArray::EnsureSize(), JSObject::FastPropertyAtPut(), Map::FindInCodeCache(), Dictionary< Shape, Key >::GenerateNewEnumerationIndices(), FixedDoubleArray::get(), ExternalIntArray::get(), ExternalUnsignedIntArray::get(), ExternalFloatArray::get(), ExternalDoubleArray::get(), TraversableMap::GetAndResetParent(), AccessorPair::GetComponent(), JSObject::GetElementsKind(), JSProxy::GetElementWithHandler(), Object::GetElementWithReceiver(), JSObject::GetHiddenProperty(), JSObject::GetIdentityHash(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::GetImpl(), ExternalElementsAccessor< ExternalByteElementsAccessor, EXTERNAL_BYTE_ELEMENTS >::GetImpl(), DictionaryElementsAccessor::GetImpl(), HeapObject::GetIsolate(), JSObject::GetLocalPropertyPostInterceptor(), StringsStorage::GetName(), Object::GetProperty(), JSObject::GetPropertyPostInterceptor(), JSObject::GetPropertyWithFailedAccessCheck(), Object::GetPrototype(), HeapObject::GetWriteBarrierMode(), JSObject::HasDictionaryArgumentsElements(), JSProxy::HasElementWithHandler(), JSObject::HasElementWithReceiver(), JSObject::HasFastArgumentsElements(), HashTable< CompilationCacheShape, HashTableKey * >::Hash(), HashTable< CompilationCacheShape, HashTableKey * >::HashForObject(), JSObject::HasHiddenProperties(), JSObject::HasLocalElement(), JSObject::HasRealElementProperty(), HeapNumber::HeapNumberToBoolean(), HeapObject::HeapObjectShortPrint(), JSArray::Initialize(), JSObject::initialize_elements(), JSObject::InitializeBody(), Struct::InitializeBody(), JSProxy::InitializeBody(), StaticMarkingVisitor::INLINE(), JSObject::InObjectPropertyAtPut(), Code::InvalidateRelocation(), FixedArray::is_the_hole(), Context::IsBlockContext(), Context::IsCatchContext(), Context::IsFunctionContext(), Context::IsModuleContext(), JSReceiver::IsSimpleEnum(), Context::IsWithContext(), JSArray::JSArrayUpdateLengthFromIndex(), JSObject::JSObjectShortPrint(), JSReceiver::LocalLookup(), JSReceiver::Lookup(), MapCache::Lookup(), ObjectHashTable::Lookup(), CompilationCacheTable::Lookup(), CodeCacheHashTable::Lookup(), PolymorphicCodeCacheHashTable::Lookup(), JSObject::LookupAccessor(), SymbolTable::LookupAsciiSymbol(), JSObject::LookupCallback(), CompilationCacheTable::LookupEval(), Map::LookupInDescriptors(), JSObject::LookupRealNamedPropertyInPrototypes(), CompilationCacheTable::LookupRegExp(), SymbolTable::LookupSubStringAsciiSymbol(), SymbolTable::LookupSymbol(), SymbolTable::LookupTwoByteSymbol(), SymbolTable::LookupTwoCharsSymbolIfExists(), String::MakeExternal(), String::MarkAsUndetectable(), Marker< BaseMarker >::MarkDescriptorArray(), TraversableMap::MutatedInstanceDescriptors(), IntrusiveMapTransitionIterator::Next(), FixedArray::NoIncrementalWriteBarrierSet(), JSObject::NormalizeElements(), JSObject::NormalizeProperties(), JSObject::OptimizeAsPrototype(), Deoptimizer::PatchStackCheckCodeAt(), IC::PostPatching(), JSObject::PrepareElementsForSort(), JSObject::PrepareSlowElementsForSort(), Map::PutPrototypeTransition(), JSObject::ReferencesObject(), CompilationCacheTable::Remove(), CodeCacheHashTable::RemoveByIndex(), Context::RemoveOptimizedFunction(), JSFunction::RemovePrototype(), Deoptimizer::RevertStackCheckCodeAt(), PartialSerializer::SerializeObject(), FixedArray::set(), JSFunction::set_code(), JSFunction::set_context(), ConsString::set_first(), JSFunction::set_function_bindings(), JSFunction::set_initial_map_and_cache_transitions(), JSBuiltinsObject::set_javascript_builtin(), HeapObject::set_map(), JSObject::set_map_and_elements(), FixedArray::set_null(), ConsString::set_second(), FixedArray::set_the_hole(), FixedArray::set_undefined(), Map::SetBackPointer(), JSArray::SetContent(), JSObject::SetElement(), JSObject::SetElementWithCallbackSetterInPrototypes(), JSProxy::SetElementWithHandler(), JSObject::SetFastDoubleElementsCapacityAndLength(), JSObject::SetFastElement(), JSObject::SetFastElementsCapacityAndLength(), JSObject::SetHiddenProperty(), JSObject::SetIdentityHash(), JSFunction::SetInstancePrototype(), JSObject::SetInternalField(), ElementsAccessorBase< ElementsAccessorSubclass, ElementsTraitsParam >::SetLengthImpl(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::SetLengthWithoutNormalize(), DictionaryElementsAccessor::SetLengthWithoutNormalize(), JSObject::SetNormalizedProperty(), JSObject::SetPropertyForResult(), JSProxy::SetPropertyViaPrototypesWithHandler(), JSReceiver::SetPrototype(), JSFunction::SetPrototype(), IC::SetTargetAtAddress(), ExternalByteArray::SetValue(), ExternalUnsignedByteArray::SetValue(), ExternalShortArray::SetValue(), ExternalUnsignedShortArray::SetValue(), ExternalIntArray::SetValue(), ExternalUnsignedIntArray::SetValue(), ExternalFloatArray::SetValue(), ExternalDoubleArray::SetValue(), JSObject::ShouldConvertToFastElements(), JSObject::ShouldConvertToSlowElements(), HashTable< Shape, Key >::Shrink(), JSObject::SlowReverseLookup(), Dictionary< Shape, Key >::SlowReverseLookup(), SharedFunctionInfo::StartInobjectSlackTracking(), String::SubString(), Object::ToBoolean(), String::ToCString(), String::ToWideCString(), StringDictionary::TransformPropertiesToFastFor(), Map::UpdateCodeCache(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::ValidateContents(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::ValidateImpl(), FlexibleBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::Visit(), FixedBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::Visit(), and FlexibleBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::VisitSpecialized().

Isolate * GetIsolate ( )
inline

Definition at line 1125 of file objects-inl.h.

References HeapObject::GetHeap(), and Heap::isolate().

Referenced by JSProxy::CallTrap(), ScopeInfo::ContextSlotIndex(), JSObject::ConvertDescriptorToFieldAndMapTransition(), HandleScope::CreateHandle(), JSObject::DefineAccessor(), JSObject::DefineFastAccessor(), DictionaryElementsAccessor::DeleteCommon(), JSObject::DeleteElement(), JSProxy::DeleteElementWithHandler(), JSObject::DeleteProperty(), JSProxy::DeletePropertyWithHandler(), Deoptimizer::DeoptimizeFunction(), JSObject::EnsureWritableFastElements(), HashTable< Shape, Key >::FindEntry(), JSProxy::Fix(), JSReceiver::GenerateIdentityHash(), NormalizedMapCache::Get(), JSProxy::GetElementAttributeWithHandler(), JSObject::GetElementsTransitionMapSlow(), JSObject::GetElementWithInterceptor(), v8::internal::GetIsolateForHandle(), JSReceiver::GetLocalPropertyAttribute(), JSObject::GetLocalPropertyPostInterceptor(), JSObject::GetPropertyAttributePostInterceptor(), JSObject::GetPropertyAttributeWithFailedAccessCheck(), JSProxy::GetPropertyAttributeWithHandler(), JSObject::GetPropertyAttributeWithInterceptor(), JSReceiver::GetPropertyAttributeWithReceiver(), JSObject::GetPropertyPostInterceptor(), JSObject::GetPropertyWithCallback(), JSObject::GetPropertyWithFailedAccessCheck(), JSProxy::GetPropertyWithHandler(), JSObject::GetPropertyWithInterceptor(), Object::GetPropertyWithReceiver(), SharedFunctionInfo::GetSourceCode(), JSObject::HasElementWithInterceptor(), JSProxy::HasPropertyWithHandler(), JSObject::HasRealNamedCallbackProperty(), JSObject::HasRealNamedProperty(), v8::internal::InitScriptLineEnds(), JSFunction::is_compiled(), String::IsEqualTo(), JSFunction::IsMarkedForLazyRecompilation(), Context::Lookup(), PolymorphicCodeCache::Lookup(), JSFunction::MarkForLazyRecompilation(), JSObject::NormalizeElements(), JSObject::PrepareElementsForSort(), JSObject::PreventExtensions(), JSObject::ResetElements(), JSObject::SetDictionaryElement(), JSObject::SetElement(), JSObject::SetFastElement(), JSObject::SetFastElementsCapacityAndLength(), JSObject::SetLocalPropertyIgnoreAttributes(), JSReceiver::SetProperty(), JSObject::SetPropertyPostInterceptor(), JSProxy::SetPropertyViaPrototypesWithHandler(), JSObject::SetPropertyWithCallback(), JSReceiver::SetPropertyWithDefinedSetter(), JSObject::SetPropertyWithFailedAccessCheck(), JSProxy::SetPropertyWithHandler(), JSObject::SetPropertyWithInterceptor(), JSDate::SetValue(), Object::ToObject(), JSObject::TransitionElementsKind(), and JSObject::UpdateMapCodeCache().

WriteBarrierMode GetWriteBarrierMode ( const AssertNoAllocation &  )
inline

Definition at line 1769 of file objects-inl.h.

References HeapObject::GetHeap(), Heap::incremental_marking(), Heap::InNewSpace(), v8::internal::SKIP_WRITE_BARRIER, and v8::internal::UPDATE_WRITE_BARRIER.

Referenced by ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::AddElementsToFixedArray(), Heap::AllocateConsString(), v8::internal::BUILTIN(), Heap::CopyFixedArrayWithMap(), FixedArray::CopySize(), FixedArray::CopyTo(), Dictionary< Shape, Key >::CopyValuesTo(), JSObject::PrepareElementsForSort(), HashTable< Shape, Key >::Rehash(), v8::internal::RUNTIME_FUNCTION(), and Dictionary< Shape, Key >::SetEntry().

void HeapObjectShortPrint ( StringStream *  accumulator)

Definition at line 1173 of file objects.cc.

References StringStream::Add(), v8::internal::BYTE_ARRAY_TYPE, HeapNumber::cast(), JSObject::cast(), FixedArray::cast(), FixedDoubleArray::cast(), ByteArray::cast(), FreeSpace::cast(), ExternalPixelArray::cast(), ExternalByteArray::cast(), ExternalUnsignedByteArray::cast(), ExternalShortArray::cast(), ExternalUnsignedShortArray::cast(), ExternalIntArray::cast(), ExternalUnsignedIntArray::cast(), ExternalFloatArray::cast(), ExternalDoubleArray::cast(), Map::cast(), String::cast(), JSGlobalPropertyCell::cast(), v8::internal::CODE_TYPE, Heap::Contains(), v8::internal::EXTERNAL_BYTE_ARRAY_TYPE, v8::internal::EXTERNAL_DOUBLE_ARRAY_TYPE, v8::internal::EXTERNAL_FLOAT_ARRAY_TYPE, v8::internal::EXTERNAL_INT_ARRAY_TYPE, v8::internal::EXTERNAL_PIXEL_ARRAY_TYPE, v8::internal::EXTERNAL_SHORT_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_INT_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE, v8::internal::FIXED_ARRAY_TYPE, v8::internal::FIXED_DOUBLE_ARRAY_TYPE, v8::internal::FOREIGN_TYPE, v8::internal::FREE_SPACE_TYPE, HeapObject::GetHeap(), v8::internal::HEAP_NUMBER_TYPE, HeapNumber::HeapNumberPrint(), v8::internal::JS_FUNCTION_PROXY_TYPE, v8::internal::JS_GLOBAL_PROPERTY_CELL_TYPE, v8::internal::JS_MESSAGE_OBJECT_TYPE, v8::internal::JS_PROXY_TYPE, JSObject::JSObjectShortPrint(), MAKE_STRUCT_CASE, HeapObject::map(), v8::internal::MAP_TYPE, v8::internal::ODDBALL_TYPE, StringStream::Put(), v8::internal::SHARED_FUNCTION_INFO_TYPE, Object::ShortPrint(), HeapObject::Size(), String::StringShortPrint(), and STRUCT_LIST.

Referenced by Object::ShortPrint().

void Iterate ( ObjectVisitor *  v)

Definition at line 1304 of file objects.cc.

References Map::instance_type(), HeapObject::IterateBody(), HeapObject::IteratePointer(), HeapObject::kMapOffset, HeapObject::map(), and HeapObject::SizeFromMap().

Referenced by IncrementalMarking::Hurry().

void IterateBody ( InstanceType  type,
int  object_size,
ObjectVisitor *  v 
)

Definition at line 1313 of file objects.cc.

References v8::internal::BYTE_ARRAY_TYPE, v8::internal::CODE_TYPE, v8::internal::EXTERNAL_BYTE_ARRAY_TYPE, v8::internal::EXTERNAL_DOUBLE_ARRAY_TYPE, v8::internal::EXTERNAL_FLOAT_ARRAY_TYPE, v8::internal::EXTERNAL_INT_ARRAY_TYPE, v8::internal::EXTERNAL_PIXEL_ARRAY_TYPE, v8::internal::EXTERNAL_SHORT_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_INT_ARRAY_TYPE, v8::internal::EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE, v8::internal::FILLER_TYPE, v8::internal::FIRST_NONSTRING_TYPE, v8::internal::FIXED_ARRAY_TYPE, v8::internal::FIXED_DOUBLE_ARRAY_TYPE, v8::internal::FOREIGN_TYPE, v8::internal::FREE_SPACE_TYPE, v8::internal::HEAP_NUMBER_TYPE, FixedBodyDescriptor< start_offset, end_offset, size >::IterateBody(), FlexibleBodyDescriptor< kHeaderSize >::IterateBody(), FlexibleBodyDescriptor< kPropertiesOffset >::IterateBody(), FlexibleBodyDescriptor< HeapObject::kHeaderSize >::IterateBody(), v8::internal::JS_ARRAY_TYPE, v8::internal::JS_BUILTINS_OBJECT_TYPE, v8::internal::JS_CONTEXT_EXTENSION_OBJECT_TYPE, v8::internal::JS_DATE_TYPE, v8::internal::JS_FUNCTION_PROXY_TYPE, v8::internal::JS_FUNCTION_TYPE, v8::internal::JS_GLOBAL_OBJECT_TYPE, v8::internal::JS_GLOBAL_PROPERTY_CELL_TYPE, v8::internal::JS_GLOBAL_PROXY_TYPE, v8::internal::JS_MAP_TYPE, v8::internal::JS_MESSAGE_OBJECT_TYPE, v8::internal::JS_MODULE_TYPE, v8::internal::JS_OBJECT_TYPE, v8::internal::JS_PROXY_TYPE, v8::internal::JS_REGEXP_TYPE, v8::internal::JS_SET_TYPE, v8::internal::JS_VALUE_TYPE, v8::internal::JS_WEAK_MAP_TYPE, v8::internal::kAsciiStringTag, v8::internal::kConsStringTag, v8::internal::kExternalStringTag, v8::internal::kSeqStringTag, v8::internal::kSlicedStringTag, v8::internal::kStringEncodingMask, v8::internal::kStringRepresentationMask, MAKE_STRUCT_CASE, v8::internal::MAP_TYPE, v8::internal::ODDBALL_TYPE, v8::internal::PrintF(), v8::internal::SHARED_FUNCTION_INFO_TYPE, SharedFunctionInfo::SharedFunctionInfoIterateBody(), STRUCT_LIST, and UNREACHABLE.

Referenced by HeapObject::Iterate(), Serializer::ObjectSerializer::Serialize(), and IncrementalMarking::Step().

void IteratePointer ( ObjectVisitor *  v,
int  offset 
)
inlineprotected

Definition at line 1185 of file objects-inl.h.

References FIELD_ADDR.

Referenced by Code::CodeIterateBody(), and HeapObject::Iterate().

void IteratePointers ( ObjectVisitor *  v,
int  start,
int  end 
)
inlineprotected

Definition at line 1179 of file objects-inl.h.

References FIELD_ADDR.

Referenced by HashTable< Shape, Key >::IterateElements(), HashTable< Shape, Key >::IteratePrefix(), and JSFunction::JSFunctionIterateBody().

Map * map ( )
inline

Definition at line 1130 of file objects-inl.h.

References HeapObject::map_word().

Referenced by JSObject::AddConstantFunctionProperty(), JSObject::AddFastProperty(), JSObject::AddFastPropertyUsingMap(), JSObject::AddProperty(), Heap::AllocateArgumentsObject(), Heap::AllocateGlobalObject(), v8::internal::BUILTIN(), JSReceiver::class_name(), JSReceiver::constructor_name(), JSObject::ConvertDescriptorToField(), JSObject::ConvertDescriptorToFieldAndMapTransition(), Heap::CopyFixedArray(), Heap::CopyFixedDoubleArray(), Heap::CopyJSObject(), v8::internal::CopyObjectToObjectElements(), FixedArray::CopySize(), JSObject::DeleteNormalizedProperty(), JSObject::EnsureCanContainElements(), JSObject::EnsureCanContainHeapObjectElements(), JSObject::EnsureWritableFastElements(), JSObject::FastPropertyAt(), JSObject::FastPropertyAtPut(), ElementsAccessor::ForArray(), NormalizedMapCache::Get(), FixedDoubleArray::get_representation(), FixedDoubleArray::get_scalar(), TraversableMap::GetAndResetParent(), Execution::GetConstructorDelegate(), JSObject::GetElementsKind(), JSObject::GetElementsTransitionMap(), JSObject::GetElementsTransitionMapSlow(), v8::internal::GetEnumPropertyKeys(), Execution::GetFunctionDelegate(), JSObject::GetHeaderSize(), JSObject::GetIndexedInterceptor(), JSObject::GetInObjectPropertyOffset(), JSObject::GetInternalFieldCount(), JSObject::GetLocalPropertyNames(), JSObject::GetNamedInterceptor(), Object::GetPrototype(), JSReceiver::GetPrototype(), BASE_EMBEDDED< Visitor >::GetValue(), JSFunction::has_prototype(), JSObject::HasDictionaryArgumentsElements(), JSObject::HasFastArgumentsElements(), JSObject::HasIndexedInterceptor(), JSObject::HasNamedInterceptor(), String::HasOnlyAsciiChars(), HeapObject::HeapObjectShortPrint(), IncrementalMarking::Hurry(), JSObject::initialize_elements(), StaticMarkingVisitor::INLINE(), JSObject::InObjectPropertyAt(), JSObject::InObjectPropertyAtPut(), ExternalString::is_short(), String::IsAsciiRepresentation(), String::IsAsciiRepresentationUnderneath(), Context::IsBlockContext(), Context::IsCatchContext(), JSObject::IsDirty(), Object::IsFiller(), FreeListNode::IsFreeListNode(), Context::IsFunctionContext(), Object::IsInstanceOf(), Context::IsModuleContext(), JSReceiver::IsSimpleEnum(), String::IsTwoByteRepresentation(), String::IsTwoByteRepresentationUnderneath(), Context::IsWithContext(), HeapObject::Iterate(), JSObject::JSObjectShortPrint(), String::MarkAsUndetectable(), Isolate::MayIndexedAccess(), Isolate::MayNamedAccess(), FreeListNode::next(), FreeListNode::next_address(), FixedArray::NoIncrementalWriteBarrierSet(), JSObject::NormalizeElements(), JSObject::NormalizeProperties(), FixedArray::NoWriteBarrierSet(), JSObject::NumberOfLocalProperties(), JSObject::OptimizeAsPrototype(), JSObject::PrepareElementsForSort(), JSObject::PreventExtensions(), StringStream::PrintFunction(), StringStream::PrintSecurityTokenIfChanged(), StringStream::PrintUsingMap(), JSFunction::prototype(), Map::PutPrototypeTransition(), NewSpace::RecordAllocation(), NewSpace::RecordPromotion(), Heap::RecordStats(), JSObject::ReferencesObject(), Heap::ReinitializeJSReceiver(), JSFunction::RemovePrototype(), Isolate::ReportFailedAccessCheck(), v8::internal::RUNTIME_FUNCTION(), Serializer::ObjectSerializer::Serialize(), FixedArray::set(), FixedDoubleArray::set(), JSFunction::set_function_bindings(), JSObject::set_map_and_elements(), FreeListNode::set_next(), FixedArray::set_the_hole(), FixedDoubleArray::set_the_hole(), FixedArray::set_undefined(), JSArray::SetContent(), JSObject::SetDictionaryElement(), JSObject::SetFastDoubleElement(), JSObject::SetFastElement(), JSObject::SetFastElementsCapacityAndLength(), JSReceiver::SetPrototype(), JSFunction::SetPrototype(), JSFunction::should_have_prototype(), PartialSerializer::ShouldBeInThePartialSnapshotCache(), JSObject::ShouldConvertToFastElements(), HeapObject::Size(), JSObject::SlowReverseLookup(), IncrementalMarking::Step(), Heap::SymbolMapForString(), TEST(), JSObject::TooManyFastProperties(), StringDictionary::TransformPropertiesToFastFor(), JSObject::TransitionElementsKind(), Execution::TryGetConstructorDelegate(), Execution::TryGetFunctionDelegate(), JSObject::UpdateMapCodeCache(), IncrementalMarking::UpdateMarkingDequeAfterScavenge(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::ValidateContents(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::ValidateImpl(), and GlobalObjectsEnumerator::VisitPointers().

MapWord map_word ( )
inline

Definition at line 1151 of file objects-inl.h.

References HeapObject::kMapOffset, and READ_FIELD.

Referenced by IntrusiveMarking::IsMarked(), HeapObject::map(), IntrusiveMarking::MapOfMarkedObject(), ScavengeWeakObjectRetainer::RetainAs(), EvacuationWeakObjectRetainer::RetainAs(), IncrementalMarking::UpdateMarkingDequeAfterScavenge(), RuntimeProfiler::UpdateSamplesAfterScavenge(), and PointersUpdatingVisitor::UpdateSlot().

Object ** RawField ( HeapObject *  obj,
int  offset 
)
inlinestatic

Definition at line 963 of file objects-inl.h.

References READ_FIELD.

Referenced by SharedFunctionInfo::AttachInitialMap(), JSFunctionResultCache::Clear(), Map::ClearNonLiveTransitions(), FixedArray::data_start(), SharedFunctionInfo::DetachInitialMap(), DescriptorArray::GetEnumCacheSlot(), DescriptorArray::GetKeySlot(), DescriptorArray::GetTransitionsSlot(), DescriptorArray::GetValueSlot(), IncrementalMarking::Hurry(), Marker< BaseMarker >::MarkAccessorPairSlot(), Marker< BaseMarker >::MarkMapContents(), TraversableMap::MutatedInstanceDescriptors(), Heap::ProcessWeakReferences(), IncrementalMarking::RecordWriteSlow(), v8::internal::RUNTIME_FUNCTION(), JSFunction::set_code(), and IncrementalMarking::Step().

void set_map ( Map *  value)
inline

Definition at line 1135 of file objects-inl.h.

References HeapObject::GetHeap(), Heap::incremental_marking(), v8::internal::NULL, and HeapObject::set_map_word().

Referenced by JSObject::AddConstantFunctionProperty(), JSObject::AddFastProperty(), JSObject::AddFastPropertyUsingMap(), Heap::AllocateGlobalObject(), JSObject::ConvertDescriptorToField(), JSObject::DefineFastAccessor(), JSObject::DeleteNormalizedProperty(), String::MarkAsUndetectable(), JSObject::NormalizeElements(), JSObject::NormalizeProperties(), JSObject::OptimizeAsPrototype(), JSObject::PreventExtensions(), JSFunction::RemovePrototype(), JSObject::ResetElements(), v8::internal::RUNTIME_FUNCTION(), JSObject::set_map_and_elements(), JSObject::SetFastElement(), JSObject::SetPropertyForResult(), JSReceiver::SetPrototype(), JSFunction::SetPrototype(), StringDictionary::TransformPropertiesToFastFor(), JSObject::TransitionElementsKind(), and JSObject::UpdateMapCodeCache().

void set_map_no_write_barrier ( Map *  value)
inline

Definition at line 1146 of file objects-inl.h.

References HeapObject::set_map_word().

Referenced by Heap::Allocate(), Heap::AllocateBlockContext(), Heap::AllocateCatchContext(), Heap::AllocateFixedArray(), Heap::AllocateFixedDoubleArrayWithHoles(), Heap::AllocateFunctionContext(), Heap::AllocateGlobalContext(), Heap::AllocateHeapNumber(), Heap::AllocateJSGlobalPropertyCell(), Heap::AllocateMap(), Heap::AllocateModuleContext(), Heap::AllocateRawAsciiString(), Heap::AllocateRawTwoByteString(), Heap::AllocateScopeInfo(), Heap::AllocateUninitializedFixedDoubleArray(), Heap::AllocateWithContext(), SymbolKey::AsObject(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), FixedArray::CopySize(), Heap::CreateCode(), Heap::CreateFillerObjectAt(), StringSplitCache::Enter(), TraversableMap::GetAndResetParent(), String::MakeExternal(), v8::internal::RUNTIME_FUNCTION(), JSObject::set_map_and_elements(), FreeListNode::set_size(), and TraversableMap::SetParent().

void set_map_word ( MapWord  map_word)
inline

Definition at line 1156 of file objects-inl.h.

References HeapObject::kMapOffset, and WRITE_FIELD.

Referenced by HeapObject::set_map(), and HeapObject::set_map_no_write_barrier().

int Size ( )
inline

Definition at line 1174 of file objects-inl.h.

References HeapObject::map(), and HeapObject::SizeFromMap().

Referenced by Heap::AllocateAsciiSymbol(), Heap::AllocateInternalSymbol(), Heap::AllocateTwoByteSymbol(), IncrementalMarking::BlackToGreyAndUnshift(), JSModule::cast(), JSValue::cast(), JSDate::cast(), JSMessageObject::cast(), Code::contains(), Heap::CopyCode(), JSObject::GetInternalFieldCount(), HeapObject::HeapObjectShortPrint(), IncrementalMarking::Hurry(), StoreBuffer::IteratePointersToNewSpace(), String::MakeExternal(), Marker< BaseMarker >::MarkMapContents(), FreeListNode::next(), SemiSpaceIterator::Next(), FreeListNode::next_address(), NewSpace::RecordAllocation(), NewSpace::RecordPromotion(), Heap::RecordStats(), Serializer::ObjectSerializer::Serialize(), FreeListNode::set_next(), and JSReceiver::SetPrototype().

int SizeFromMap ( Map *  map)
inline

Definition at line 2809 of file objects-inl.h.

References v8::internal::ASCII_STRING_TYPE, ASSERT, v8::internal::BYTE_ARRAY_TYPE, v8::internal::CODE_TYPE, v8::internal::FIXED_ARRAY_TYPE, v8::internal::FIXED_DOUBLE_ARRAY_TYPE, v8::internal::FREE_SPACE_TYPE, Map::instance_size(), Map::instance_type(), v8::internal::kIsSymbolMask, v8::internal::kVariableSizeSentinel, FixedArrayBase::length(), FixedDoubleArray::SizeFor(), SeqAsciiString::SizeFor(), SeqTwoByteString::SizeFor(), FixedArray::BodyDescriptor::SizeOf(), and v8::internal::STRING_TYPE.

Referenced by HeapObject::Iterate(), HeapObject::Size(), and IncrementalMarking::Step().

STATIC_CHECK ( kMapOffset  = =Internals::kHeapObjectMapOffset)

Field Documentation

const int kHeaderSize = kMapOffset + kPointerSize
static

Definition at line 1220 of file objects.h.

Referenced by Struct::InitializeBody(), and v8::internal::RUNTIME_FUNCTION().

const int kMapOffset = Object::kHeaderSize
static

Definition at line 1219 of file objects.h.

Referenced by MacroAssembler::IsObjectStringType(), HeapObject::Iterate(), HeapObject::map_word(), and HeapObject::set_map_word().

The documentation for this class was generated from the following files: