v8  3.25.30(node0.11.13)
V8 is Google's open source JavaScript engine
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions
HeapObject Class Reference

#include <objects.h>

Inheritance diagram for HeapObject:
Inheritance graph
[legend]
Collaboration diagram for HeapObject:
Collaboration graph
[legend]

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 DisallowHeapAllocation &promise)
 
void HeapObjectShortPrint (StringStream *accumulator)
 
 STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)
 
- Public Member Functions inherited from Object
bool IsObject ()
 
bool IsFixedArrayBase ()
 
bool IsExternal ()
 
bool IsAccessorInfo ()
 
bool IsStruct ()
 
 INLINE (bool IsSpecObject())
 
 INLINE (bool IsSpecFunction())
 
bool IsCallable ()
 
 INLINE (bool IsUndefined())
 
 INLINE (bool IsNull())
 
 INLINE (bool IsTheHole())
 
 INLINE (bool IsUninitialized())
 
 INLINE (bool IsTrue())
 
 INLINE (bool IsFalse())
 
bool IsArgumentsMarker ()
 
bool NonFailureIsHeapObject ()
 
bool IsFiller ()
 
double Number ()
 
bool IsNaN ()
 
bool ToInt32 (int32_t *value)
 
bool ToUint32 (uint32_t *value)
 
Representation OptimalRepresentation (ValueType type=OPTIMAL_REPRESENTATION)
 
bool FitsRepresentation (Representation representation)
 
MaybeObject * AllocateNewStorageFor (Heap *heap, Representation representation)
 
bool HasValidElements ()
 
bool HasSpecificClassOf (String *name)
 
MUST_USE_RESULT MaybeObject * ToObject (Isolate *isolate)
 
bool BooleanValue ()
 
MUST_USE_RESULT MaybeObject * ToObject (Context *native_context)
 
MUST_USE_RESULT MaybeObject * ToSmi ()
 
void Lookup (Name *name, LookupResult *result)
 
MUST_USE_RESULT MaybeObject * GetProperty (Name *key)
 
MUST_USE_RESULT MaybeObject * GetProperty (Name *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithReceiver (Object *receiver, Name *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetProperty (Object *receiver, LookupResult *result, Name *key, PropertyAttributes *attributes)
 
MUST_USE_RESULT MaybeObject * GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
 
Object * GetPrototype (Isolate *isolate)
 
Map * GetMarkerMap (Isolate *isolate)
 
Object * GetHash ()
 
bool SameValue (Object *other)
 
bool ToArrayIndex (uint32_t *index)
 
bool IsStringObjectWithCharacterAt (uint32_t index)
 
void VerifyApiCallResultType ()
 
void ShortPrint (FILE *out=stdout)
 
void ShortPrint (StringStream *accumulator)
 

Static Public Member Functions

static HeapObject * FromAddress (Address address)
 
static Object ** RawField (HeapObject *obj, int offset)
 
static void UpdateMapCodeCache (Handle< HeapObject > object, Handle< Name > name, Handle< Code > code)
 
static HeapObject * cast (Object *obj)
 
- Static Public Member Functions inherited from Object
static MUST_USE_RESULT Handle
< Object > 		ToSmi (Isolate *isolate, Handle< Object > object)
 
static Handle< Object > GetPropertyWithReceiver (Handle< Object > object, Handle< Object > receiver, Handle< Name > name, PropertyAttributes *attributes)
 
static Handle< Object > GetProperty (Handle< Object > object, Handle< Name > key)
 
static Handle< Object > GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< Name > key, PropertyAttributes *attributes)
 
static MUST_USE_RESULT
MaybeObject * 		GetPropertyOrFail (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< Name > key, PropertyAttributes *attributes)
 
static Handle< Object > GetElement (Isolate *isolate, Handle< Object > object, uint32_t index)
 
static Handle< Object > GetElementNoExceptionThrown (Isolate *isolate, Handle< Object > object, uint32_t index)
 
static Handle< Object > GetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)
 
static Handle< Object > GetOrCreateHash (Handle< Object > object, Isolate *isolate)
 
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)
 
void IterateNextCodeLink (ObjectVisitor *v, int offset)
 

Additional Inherited Members

- Public Types inherited from Object
enum  ValueType { OPTIMAL_REPRESENTATION, FORCE_TAGGED }
 

Detailed Description

Definition at line 1803 of file objects.h.

Member Function Documentation

Address address ( )
inline

Definition at line 1375 of file objects-inl.h.

References v8::internal::kHeapObjectTag.

Referenced by FreeList::Allocate(), Heap::AllocateArgumentsObject(), Heap::AllocateOneByteInternalizedString(), Heap::AllocateRaw(), PagedSpace::AllocateRaw(), Heap::AllocateTwoByteInternalizedString(), AllocationTracker::AllocationEvent(), Heap::AllowedToBeMigrated(), IncrementalMarking::BlackToGreyAndUnshift(), Code::CanDeoptAt(), CpuProfiler::CodeCreateEvent(), Logger::CodeCreateEvent(), Code::CodeIterateBody(), Heap::Contains(), PagedSpace::Contains(), Code::contains(), FreeListCategory::ContainsPageFreeListItemsInList(), Heap::CopyCode(), Heap::CopyConstantPoolArrayWithMap(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), Heap::CopyJSObject(), Heap::CreateCode(), LargeObjectSpace::FreeUnmarkedObjects(), HeapProfiler::GetSnapshotObjectId(), IncrementalMarking::Hurry(), MarkingDeque::INLINE(), IncrementalMarkingMarkingVisitor::INLINE(), Heap::InSpace(), JSFunction::JSFunctionIterateBody(), String::MakeExternal(), IndexedReferencesExtractor::MarkVisitedField(), MarkCompactCollector::MigrateObject(), JSObject::MigrateToMap(), Heap::MoveElements(), FreeListNode::next(), BASE_EMBEDDED< Visitor >::next(), FreeListNode::next_address(), FixedArray::NoIncrementalWriteBarrierSet(), FreeListCategory::PickNodeFromList(), IncrementalMarking::RecordWriteFromCode(), IncrementalMarking::RecordWrites(), CpuProfiler::RegExpCodeCreateEvent(), Heap::ReinitializeJSReceiver(), FreeListCategory::RepairFreeList(), MarkCompactCollector::ReportDeleteIfNeeded(), Heap::ReserveSpace(), Serializer::ObjectSerializer::Serialize(), FreeListNode::set_next(), TEST(), IncrementalMarking::UpdateMarkingDequeAfterScavenge(), IncrementalMarkingMarkingVisitor::VisitFixedArrayIncremental(), and StaticMarkingVisitor< StaticVisitor >::VisitJSFunctionStrongCode().

static HeapObject* cast ( Object *  obj)
inlinestatic

Referenced by Heap::Allocate(), Heap::AllocateArgumentsObject(), Heap::AllocateConstantPoolArray(), Heap::AllocateHeapNumber(), Heap::AllocateRawOneByteString(), Heap::AllocateRawTwoByteString(), Heap::AllocateSymbol(), TypeFeedbackOracle::CanRetainOtherContext(), FixedTypedArray< Traits >::cast(), JSGeneratorObject::cast(), JSModule::cast(), JSValue::cast(), JSDate::cast(), JSMessageObject::cast(), CompareNilIC::CompareNil(), HeapObjectsSet::Contains(), Heap::CopyAndTenureFixedCOWArray(), Heap::CopyConstantPoolArrayWithMap(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), Heap::CopyJSObject(), Code::FindAndReplace(), Code::FindNthObject(), IC::GetCodeCacheHolder(), Execution::GetConstructorDelegate(), Execution::GetFunctionDelegate(), Object::GetMarkerMap(), Object::GetPrototype(), HeapProfiler::GetSnapshotObjectId(), HeapObjectsSet::GetTag(), HeapTypeConfig::handle(), IncrementalMarking::Hurry(), IncrementalMarkingMarkingVisitor::INLINE(), MarkCompactMarkingVisitor::INLINE(), HeapObjectsSet::Insert(), Object::IsCallable(), TypeImpl< class >::IsCurrently(), Object::IsExternal(), Object::IsFiller(), MarkCompactCollector::IsMarked(), TransitionArray::IsSimpleTransition(), Object::IsStruct(), FunctionTemplateInfo::IsTemplateFor(), Heap::IterateAndMarkPointersToFromSpace(), JSObject::JSObjectShortPrint(), StaticMarkingVisitor< StaticVisitor >::MarkMapContents(), StaticMarkingVisitor< StaticVisitor >::MarkTransitionArray(), MarkCompactCollector::MarkWeakObjectToCodeTable(), TypeImpl< class >::OfCurrently(), StringStream::PrintFunction(), StringStream::PrintSecurityTokenIfChanged(), Map::PutPrototypeTransition(), IncrementalMarking::RecordWriteIntoCodeSlow(), ScavengeWeakObjectRetainer::RetainAs(), MarkCompactWeakObjectRetainer::RetainAs(), EvacuationWeakObjectRetainer::RetainAs(), v8::internal::RUNTIME_FUNCTION(), PartialSerializer::SerializeObject(), StartupSerializer::SerializeObject(), HeapObjectsSet::SetTag(), Object::ShortPrint(), TEST(), Execution::TryGetConstructorDelegate(), Execution::TryGetFunctionDelegate(), MarkCompactCollector::TryPromoteObject(), PointersUpdatingVisitor::UpdateSlot(), Serializer::ObjectSerializer::VisitPointers(), StringTableCleaner< finalize_external_strings >::VisitPointers(), and VerifyPointersVisitor::VisitPointers().

HeapObject * FromAddress ( Address  address)
inlinestatic

Definition at line 1369 of file objects-inl.h.

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

Referenced by PagedSpace::AllocateLinearly(), AllocationTracker::AllocationEvent(), JitLogger::CodeDeleteEvent(), JitLogger::CodeMoveEvent(), Heap::CreateFillerObjectAt(), FreeListNode::FromAddress(), InnerPointerToCodeCache::GcSafeFindCodeForInnerPointer(), Code::GetCodeFromTargetAddress(), LargePage::GetObject(), Code::GetObjectFromEntryAddress(), Heap::IterateAndMarkPointersToFromSpace(), SemiSpaceIterator::Next(), ProfileGenerator::RecordTickSample(), TEST(), Marking::TransferMark(), and Heap::UpdateAllocationSiteFeedback().

Heap * GetHeap ( )
inline

Definition at line 1323 of file objects-inl.h.

References MemoryChunk::FromAddress(), MemoryChunk::heap(), v8::internal::NULL, and SLOW_ASSERT.

Referenced by ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::AddElementsToFixedArray(), Dictionary< Shape, Key >::AddEntry(), Context::AddOptimizedFunction(), SharedFunctionInfo::AddToOptimizedCodeMap(), Dictionary< Shape, Key >::AtPut(), SharedFunctionInfo::AttachInitialMap(), JSReceiver::class_name(), JSFunctionResultCache::Clear(), Map::ClearNonLiveTransitions(), SharedFunctionInfo::ClearOptimizedCodeMap(), SharedFunctionInfo::CompleteInobjectSlackTracking(), Map::constructor_name(), FixedArray::ContainsOnlySmisOrHoles(), FixedArray::Copy(), FixedDoubleArray::Copy(), ConstantPoolArray::Copy(), Map::CopyDropDescriptors(), FixedArray::CopySize(), DescriptorArray::CopyUpToAddAttributes(), Dictionary< Shape, Key >::DeleteProperty(), Deoptimizer::DeoptimizeGlobalObject(), Map::DeprecateTarget(), SharedFunctionInfo::DetachInitialMap(), Map::DictionaryElementsInPrototypeChainOnly(), Map::elements_transition_map(), HashTable< Shape, Key >::EnsureCapacity(), SharedFunctionInfo::EvictFromOptimizedCodeMap(), JSObject::FastPropertyAt(), JSObject::FastPropertyAtPut(), Code::FindFirstAllocationSite(), Code::FindFirstMap(), Map::FindInCodeCache(), Dictionary< Shape, Key >::GenerateNewEnumerationIndices(), FixedDoubleArray::get(), ExternalInt32Array::get(), ExternalUint32Array::get(), ExternalFloat32Array::get(), ExternalFloat64Array::get(), ConstantPoolArray::get_code_ptr_entry(), ConstantPoolArray::get_heap_ptr_entry(), ConstantPoolArray::get_int32_entry(), ConstantPoolArray::get_int64_entry(), ConstantPoolArray::get_int64_entry_as_double(), FixedDoubleArray::get_representation(), FixedDoubleArray::get_scalar(), TraversableMap::GetAndResetParent(), AccessorPair::GetComponent(), JSObject::GetElementsKind(), JSProxy::GetElementWithHandler(), JSObject::GetHiddenProperty(), ElementsAccessorBase< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS > >::GetImpl(), TypedElementsAccessor< Kind >::GetImpl(), DictionaryElementsAccessor::GetImpl(), HeapObject::GetIsolate(), JSObject::GetLocalPropertyPostInterceptor(), Map::GetPrototypeTransitions(), HeapObject::GetWriteBarrierMode(), JSObject::HasDictionaryArgumentsElements(), TransitionArray::HasElementsTransition(), JSObject::HasFastArgumentsElements(), HeapObject::HeapObjectShortPrint(), AllocationSite::Initialize(), JSObject::initialize_elements(), JSObject::InitializeBody(), Struct::InitializeBody(), FlexibleBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::INLINE(), FixedBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::INLINE(), MarkCompactMarkingVisitor::INLINE(), JSObject::InObjectPropertyAtPut(), Code::InvalidateEmbeddedObjects(), Code::InvalidateRelocation(), FixedArray::is_the_hole(), Context::IsBlockContext(), Context::IsCatchContext(), DescriptorArray::IsEmpty(), Object::IsExternal(), Context::IsFunctionContext(), Context::IsGlobalContext(), Context::IsModuleContext(), Context::IsNativeContext(), AllocationSite::IsNestedSite(), JSReceiver::IsSimpleEnum(), Context::IsWithContext(), JSArray::JSArrayUpdateLengthFromIndex(), JSObject::JSObjectShortPrint(), JSReceiver::LocalLookup(), JSReceiver::Lookup(), MapCache::Lookup(), ObjectHashTable::Lookup(), WeakHashTable::Lookup(), CompilationCacheTable::Lookup(), CodeCache::Lookup(), CodeCacheHashTable::Lookup(), PolymorphicCodeCacheHashTable::Lookup(), JSObject::LookupCallbackProperty(), CompilationCacheTable::LookupEval(), StringTable::LookupKey(), CompilationCacheTable::LookupRegExp(), StringTable::LookupTwoCharsStringIfExists(), String::MakeExternal(), String::MarkAsUndetectable(), JSTypedArray::Neuter(), FreeListNode::next(), IntrusiveMapTransitionIterator::Next(), IntrusivePrototypeTransitionIterator::Next(), FreeListNode::next_address(), FixedArray::NoIncrementalWriteBarrierSet(), FixedArray::NoWriteBarrierSet(), MarkCompactMarkingVisitor::ObjectStatsCountFixedArray(), MarkCompactMarkingVisitor::ObjectStatsVisitBase(), IC::PostPatching(), JSObject::PrepareSlowElementsForSort(), StringStream::PrintFixedArray(), StringStream::PrintFunction(), StringStream::PrintUsingMap(), CompilationCacheTable::Put(), CodeCacheHashTable::Put(), PolymorphicCodeCacheHashTable::Put(), CompilationCacheTable::PutEval(), Map::RawCopy(), JSObject::ReferencesObject(), CompilationCacheTable::Remove(), CodeCacheHashTable::RemoveByIndex(), Context::RemoveOptimizedFunction(), JSFunction::RemovePrototype(), SharedFunctionInfo::ReplaceCode(), JSObject::ResetElements(), MarkCompactWeakObjectRetainer::RetainAs(), Heap::ScavengeObject(), PartialSerializer::SerializeObject(), FixedArray::set(), FixedDoubleArray::set(), ConstantPoolArray::set(), SeededNumberDictionary::Set(), UnseededNumberDictionary::Set(), TransitionArray::set_back_pointer_storage(), JSFunction::set_code(), JSFunction::set_code_no_write_barrier(), Code::set_constant_pool(), JSFunction::set_context(), Map::set_elements_transition_map(), ConsString::set_first(), JSFunction::set_function_bindings(), JSBuiltinsObject::set_javascript_builtin(), JSBuiltinsObject::set_javascript_builtin_code(), HeapObject::set_map(), JSObject::set_map_and_elements(), AllocationSite::set_memento_found_count(), FreeListNode::set_next(), FixedArray::set_null(), SlicedString::set_parent(), ConsString::set_second(), FixedArray::set_the_hole(), FixedDoubleArray::set_the_hole(), Code::set_type_feedback_info(), FixedArray::set_undefined(), Map::SetBackPointer(), JSObject::SetInternalField(), DictionaryElementsAccessor::SetLengthWithoutNormalize(), TransitionArray::SetPrototypeTransitions(), IC::SetTargetAtAddress(), ExternalInt8Array::SetValue(), ExternalUint8Array::SetValue(), ExternalInt16Array::SetValue(), ExternalUint16Array::SetValue(), ExternalInt32Array::SetValue(), ExternalUint32Array::SetValue(), ExternalFloat32Array::SetValue(), ExternalFloat64Array::SetValue(), Map::ShareDescriptor(), JSObject::ShouldConvertToFastElements(), JSObject::ShouldConvertToSlowElements(), FixedArray::Shrink(), HashTable< Shape, Key >::Shrink(), JSObject::SlowReverseLookup(), Dictionary< Shape, Key >::SlowReverseLookup(), Serializer::SpaceOfObject(), SharedFunctionInfo::StartInobjectSlackTracking(), String::ToCString(), String::ToWideCString(), NameDictionary::TransformPropertiesToFastFor(), SharedFunctionInfo::TrimOptimizedCodeMap(), CodeCache::Update(), PolymorphicCodeCache::Update(), Map::UpdateCodeCache(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::ValidateContents(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitCode >::Visit(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitSharedFunctionInfo >::Visit(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitFixedArray >::Visit(), IncrementalMarkingMarkingVisitor::VisitFixedArrayIncremental(), FlexibleBodyVisitor< StaticVisitor, BodyDescriptor, ReturnType >::VisitSpecialized(), IncrementalMarkingMarkingVisitor::VisitWeakCollection(), MarkCompactMarkingVisitor::VisitWeakCollection(), Map::ZapPrototypeTransitions(), and Map::ZapTransitions().

Isolate * GetIsolate ( )
inline

Definition at line 1331 of file objects-inl.h.

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

Referenced by HeapTypeConfig::as_constant(), v8::internal::CacheInitialJSArrayMaps(), JSProxy::CallTrap(), v8::internal::CheckArrayAbuse(), CompareNilIC::Clear(), Code::CodeIterateBody(), ScopeInfo::ContextSlotIndex(), Map::CopyAddDescriptor(), TransitionArray::CopyInsert(), Map::CopyReplaceDescriptor(), DescriptorArray::CopyUpToAddAttributes(), DictionaryElementsAccessor::DeleteCommon(), Map::DeprecateTransitionTree(), Map::DictionaryElementsInPrototypeChainOnly(), SharedFunctionInfo::DisableOptimization(), JSObject::EnsureWritableFastElements(), Context::ErrorMessageForCodeGenerationFromStrings(), TransitionArray::ExtendToFullTransitionArray(), HashTable< Shape, Key >::FindEntry(), JSReceiver::GenerateIdentityHash(), FixedDoubleArray::get_as_handle(), JSTypedArray::GetBuffer(), JSObject::GetLocalPropertyAccessorPair(), JSObject::GetLocalPropertyPostInterceptor(), Object::GetProperty(), Object::GetPropertyWithDefinedGetter(), JSProxy::GetPropertyWithHandler(), Object::GetPropertyWithReceiver(), SharedFunctionInfo::GetSourceCode(), Context::global_object(), Map::has_code_cache(), PromotionQueue::insert(), SharedFunctionInfo::is_compiled(), JSFunction::is_compiled(), JSFunction::IsInOptimizationQueue(), Map::IsMapInArrayPrototypeChain(), JSFunction::IsMarkedForConcurrentOptimization(), JSFunction::IsMarkedForOptimization(), String::LooksValid(), Context::Lookup(), PolymorphicCodeCache::Lookup(), JSObject::LookupRealNamedPropertyInPrototypes(), Code::MakeOlder(), JSFunction::MarkForConcurrentOptimization(), JSFunction::MarkForOptimization(), JSFunction::MarkInOptimizationQueue(), DescriptorArray::Merge(), Context::native_context(), TransitionArray::NewWith(), Map::NotifyLeafMapLayoutChange(), Code::PrintDeoptLocation(), Map::PrintGeneralization(), StringStream::PrintPrototype(), StringStream::PrintSecurityTokenIfChanged(), JSObject::ResetElements(), Heap::ScavengeObject(), JSDate::SetValue(), Map::ShareDescriptor(), NameDictionary::TransformPropertiesToFastFor(), ContextSlotCache::Update(), KeyedLookupCache::Update(), and VerifyPointersVisitor::VisitPointers().

WriteBarrierMode GetWriteBarrierMode ( const DisallowHeapAllocation &  promise)
inline

Definition at line 2350 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::CopyAndTenureFixedCOWArray(), 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 1621 of file objects.cc.

References StringStream::Add(), v8::internal::BYTE_ARRAY_TYPE, HeapNumber::cast(), JSObject::cast(), FixedArray::cast(), FixedDoubleArray::cast(), ByteArray::cast(), FreeSpace::cast(), Map::cast(), SharedFunctionInfo::cast(), Symbol::cast(), String::cast(), Cell::cast(), PropertyCell::cast(), v8::internal::CELL_TYPE, v8::internal::CODE_TYPE, Heap::Contains(), SharedFunctionInfo::DebugName(), v8::internal::FIXED_ARRAY_TYPE, v8::internal::FIXED_DOUBLE_ARRAY_TYPE, v8::internal::FOREIGN_TYPE, v8::internal::FREE_SPACE_TYPE, SmartPointerBase< Deallocator, T >::get(), HeapObject::GetHeap(), Name::Hash(), v8::internal::HEAP_NUMBER_TYPE, HeapNumber::HeapNumberPrint(), v8::internal::JS_FUNCTION_PROXY_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, v8::internal::PROPERTY_CELL_TYPE, StringStream::Put(), v8::internal::SHARED_FUNCTION_INFO_TYPE, Object::ShortPrint(), HeapObject::Size(), String::StringShortPrint(), STRUCT_LIST, v8::internal::SYMBOL_TYPE, String::ToCString(), TYPED_ARRAY_SHORT_PRINT, and TYPED_ARRAYS.

Referenced by Object::ShortPrint().

void Iterate ( ObjectVisitor *  v)

Definition at line 1751 of file objects.cc.

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

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

Definition at line 1760 of file objects.cc.

References v8::internal::ALLOCATION_SITE_TYPE, v8::internal::BYTE_ARRAY_TYPE, v8::internal::CELL_TYPE, v8::internal::CODE_TYPE, v8::internal::CONSTANT_POOL_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< kPropertiesOffset >::IterateBody(), FlexibleBodyDescriptor< kHeaderSize >::IterateBody(), FlexibleBodyDescriptor< HeapObject::kHeaderSize >::IterateBody(), v8::internal::JS_ARRAY_BUFFER_TYPE, v8::internal::JS_ARRAY_TYPE, v8::internal::JS_BUILTINS_OBJECT_TYPE, v8::internal::JS_CONTEXT_EXTENSION_OBJECT_TYPE, v8::internal::JS_DATA_VIEW_TYPE, v8::internal::JS_DATE_TYPE, v8::internal::JS_FUNCTION_PROXY_TYPE, v8::internal::JS_FUNCTION_TYPE, v8::internal::JS_GENERATOR_OBJECT_TYPE, v8::internal::JS_GLOBAL_OBJECT_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_TYPED_ARRAY_TYPE, v8::internal::JS_VALUE_TYPE, v8::internal::JS_WEAK_MAP_TYPE, v8::internal::JS_WEAK_SET_TYPE, v8::internal::kConsStringTag, v8::internal::kExternalStringTag, v8::internal::kOneByteStringTag, 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::PROPERTY_CELL_TYPE, v8::internal::SHARED_FUNCTION_INFO_TYPE, STRUCT_LIST, v8::internal::SYMBOL_TYPE, TYPED_ARRAY_CASE, TYPED_ARRAYS, and UNREACHABLE.

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

void IterateNextCodeLink ( ObjectVisitor *  v,
int  offset 
)
inlineprotected

Definition at line 1396 of file objects-inl.h.

References FIELD_ADDR.

Referenced by Code::CodeIterateBody().

void IteratePointer ( ObjectVisitor *  v,
int  offset 
)
inlineprotected

Definition at line 1391 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 1385 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 1336 of file objects-inl.h.

References HeapObject::map_word().

Referenced by AccumulateStatsWithOperator(), Heap::AllocateArgumentsObject(), Heap::AllowedToBeMigrated(), FixedTypedArray< Traits >::cast(), TraversableMap::ChildIteratorNext(), JSReceiver::class_name(), StubCache::Clear(), CompareNilIC::CompareNil(), JSReceiver::constructor_name(), ConsStringIteratorOp::ContinueOperation(), Heap::CopyConstantPoolArray(), Heap::CopyFixedArray(), Heap::CopyFixedDoubleArray(), Heap::CopyJSObject(), FixedArray::CopySize(), FixedTypedArrayBase::DataSize(), Map::DictionaryElementsInPrototypeChainOnly(), JSTypedArray::element_size(), JSObject::EnsureWritableFastElements(), JSObject::FastPropertyAtPut(), Code::FindAllTypes(), Code::FindAndReplace(), Code::FindNthObject(), Map::GeneralizeAllFieldRepresentations(), NormalizedMapCache::Get(), ConstantPoolArray::get_code_ptr_entry(), ConstantPoolArray::get_heap_ptr_entry(), ConstantPoolArray::get_int32_entry(), ConstantPoolArray::get_int64_entry(), ConstantPoolArray::get_int64_entry_as_double(), FixedDoubleArray::get_representation(), FixedDoubleArray::get_scalar(), TraversableMap::GetAndResetParent(), JSTypedArray::GetBuffer(), JSReceiver::GetConstructor(), Execution::GetConstructorDelegate(), JSObject::GetElementsKind(), JSObject::GetElementsTransitionMap(), JSObject::GetElementsTransitionMapSlow(), v8::internal::GetEnumPropertyKeys(), Execution::GetFunctionDelegate(), JSObject::GetHeaderSize(), JSObject::GetIndexedInterceptor(), JSObject::GetInObjectPropertyOffset(), JSObject::GetInternalFieldCount(), JSObject::GetLocalPropertyNames(), Object::GetMarkerMap(), JSObject::GetNamedInterceptor(), Object::GetPrototype(), JSReceiver::GetPrototype(), TransitionArray::GetTargetDetails(), JSFunction::has_prototype(), JSObject::HasDictionaryArgumentsElements(), JSObject::HasFastArgumentsElements(), JSObject::HasFastProperties(), JSObject::HasIndexedInterceptor(), JSObject::HasNamedInterceptor(), String::HasOnlyOneByteChars(), HeapObject::HeapObjectShortPrint(), JSObject::initialize_elements(), MarkCompactMarkingVisitor::INLINE(), Heap::InternalizedStringMapForString(), ExternalString::is_short(), Context::IsBlockContext(), Object::IsCallable(), Context::IsCatchContext(), TypeImpl< class >::IsCurrently(), JSObject::IsDirty(), Object::IsExternal(), Object::IsFiller(), FreeListNode::IsFreeListNode(), Context::IsFunctionContext(), Context::IsGlobalContext(), Context::IsModuleContext(), Context::IsNativeContext(), String::IsOneByteRepresentation(), String::IsOneByteRepresentationUnderneath(), JSReceiver::IsSimpleEnum(), TransitionArray::IsSimpleTransition(), FunctionTemplateInfo::IsTemplateFor(), String::IsTwoByteRepresentation(), String::IsTwoByteRepresentationUnderneath(), Context::IsWithContext(), HeapObject::Iterate(), JSObject::JSObjectShortPrint(), JSReceiver::LocalLookup(), JSObject::LocalLookupRealNamedProperty(), String::MarkAsUndetectable(), Isolate::MayIndexedAccess(), Isolate::MayNamedAccess(), Heap::MoveElements(), JSTypedArray::Neuter(), FreeListNode::next(), FreeListNode::next_address(), FixedArray::NoIncrementalWriteBarrierSet(), JSObject::NormalizeProperties(), FixedArray::NoWriteBarrierSet(), JSObject::NumberOfLocalProperties(), MarkCompactMarkingVisitor::ObjectStatsCountFixedArray(), TypeImpl< class >::OfCurrently(), StringStream::PrintFunction(), JSObject::PrintInstanceMigration(), StringStream::PrintSecurityTokenIfChanged(), StringStream::PrintUsingMap(), JSFunction::prototype(), Map::PutPrototypeTransition(), JSObject::RawFastPropertyAt(), NewSpace::RecordAllocation(), NewSpace::RecordPromotion(), Heap::RecordStats(), JSObject::ReferencesObject(), Heap::ReinitializeJSReceiver(), JSFunction::RemovePrototype(), Isolate::ReportFailedAccessCheck(), JSObject::ResetElements(), v8::internal::RUNTIME_FUNCTION(), Heap::ScavengeObject(), Serializer::ObjectSerializer::Serialize(), FixedArray::set(), FixedDoubleArray::set(), ConstantPoolArray::set(), JSFunction::set_function_bindings(), JSObject::set_map_and_elements(), FreeListNode::set_next(), FixedArray::set_the_hole(), FixedDoubleArray::set_the_hole(), FixedArray::set_undefined(), JSObject::SetPrototype(), Map::ShareDescriptor(), JSFunction::should_have_prototype(), PartialSerializer::ShouldBeInThePartialSnapshotCache(), JSObject::ShouldConvertToFastElements(), HeapObject::Size(), JSObject::SlowReverseLookup(), KeyedStoreIC::Store(), TEST(), JSObject::TooManyFastProperties(), NameDictionary::TransformPropertiesToFastFor(), Execution::TryGetConstructorDelegate(), Execution::TryGetFunctionDelegate(), JSTypedArray::type(), Heap::UpdateAllocationSiteFeedback(), HeapObject::UpdateMapCodeCache(), IncrementalMarking::UpdateMarkingDequeAfterScavenge(), FastElementsAccessor< FastPackedSmiElementsAccessor, ElementsKindTraits< FAST_SMI_ELEMENTS >, kPointerSize >::ValidateContents(), String::Visit(), GlobalObjectsEnumerator::VisitPointers(), VerifyPointersVisitor::VisitPointers(), and MarkCompactMarkingVisitor::VisitWeakCollection().

MapWord map_word ( )
inline

Definition at line 1357 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(), and PointersUpdatingVisitor::UpdateSlot().

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

Definition at line 1199 of file objects-inl.h.

References READ_FIELD.

Referenced by Heap::AllocateConstantPoolArray(), SharedFunctionInfo::AttachInitialMap(), FixedArray::data_start(), SharedFunctionInfo::DetachInitialMap(), WeakListVisitor< Context >::DoWeakList(), DescriptorArray::GetEnumCacheSlot(), TransitionArray::GetPrototypeTransitionsSlot(), FixedBodyDescriptor< start_offset, end_offset, size >::IterateBody(), FlexibleBodyDescriptor< start_offset >::IterateBody(), FlexibleBodyDescriptor< kHeaderSize >::IterateBody(), StaticMarkingVisitor< StaticVisitor >::MarkMapContents(), FixedArray::RawFieldOfElementAt(), ConstantPoolArray::RawFieldOfElementAt(), IncrementalMarking::RecordWriteSlow(), v8::internal::RUNTIME_FUNCTION(), JSFunction::set_code(), Map::unchecked_transition_array(), IncrementalMarkingMarkingVisitor::VisitFixedArrayIncremental(), StaticMarkingVisitor< StaticVisitor >::VisitJSFunctionStrongCode(), StaticMarkingVisitor< StaticVisitor >::VisitJSFunctionWeakCode(), WeakListVisitor< JSArrayBuffer >::VisitLiveObject(), StaticMarkingVisitor< StaticVisitor >::VisitSharedFunctionInfoStrongCode(), StaticMarkingVisitor< StaticVisitor >::VisitSharedFunctionInfoWeakCode(), IncrementalMarkingMarkingVisitor::VisitWeakCollection(), and MarkCompactMarkingVisitor::VisitWeakCollection().

void set_map ( Map *  value)
inline

Definition at line 1341 of file objects-inl.h.

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

Referenced by Heap::AllocateFixedTypedArray(), String::MarkAsUndetectable(), JSFunction::RemovePrototype(), JSObject::ResetElements(), JSObject::set_map_and_elements(), and NameDictionary::TransformPropertiesToFastFor().

void set_map_no_write_barrier ( Map *  value)
inline

Definition at line 1352 of file objects-inl.h.

References HeapObject::set_map_word().

Referenced by Heap::Allocate(), Heap::AllocateBlockContext(), Heap::AllocateCatchContext(), Heap::AllocateConstantPoolArray(), Heap::AllocateFixedDoubleArrayWithHoles(), Heap::AllocateFunctionContext(), Heap::AllocateGlobalContext(), Heap::AllocateHeapNumber(), Heap::AllocateMap(), Heap::AllocateModuleContext(), Heap::AllocateNativeContext(), Heap::AllocateRawOneByteString(), Heap::AllocateRawTwoByteString(), Heap::AllocateScopeInfo(), Heap::AllocateSymbol(), Heap::AllocateUninitializedFixedDoubleArray(), Heap::AllocateWithContext(), InternalizedStringKey::AsObject(), Heap::CopyAndTenureFixedCOWArray(), Heap::CopyConstantPoolArrayWithMap(), Heap::CopyFixedArrayWithMap(), Heap::CopyFixedDoubleArrayWithMap(), FixedArray::CopySize(), Heap::CreateCode(), Heap::CreateFillerObjectAt(), RegExpResultsCache::Enter(), TraversableMap::GetAndResetParent(), String::MakeExternal(), JSObject::set_map_and_elements(), FreeListNode::set_size(), and TraversableMap::SetParent().

void set_map_word ( MapWord  map_word)
inline

Definition at line 1362 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 1380 of file objects-inl.h.

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

Referenced by Heap::AllocateInternalizedStringImpl(), Heap::AllocateOneByteInternalizedString(), Heap::AllocateTwoByteInternalizedString(), AllocationTracker::AllocationEvent(), IncrementalMarking::BlackToGreyAndUnshift(), Code::contains(), Heap::CopyCode(), JSObject::GetInternalFieldCount(), HeapObject::HeapObjectShortPrint(), IncrementalMarking::Hurry(), IncrementalMarkingMarkingVisitor::INLINE(), String::MakeExternal(), FreeListNode::next(), SemiSpaceIterator::Next(), FreeListNode::next_address(), MarkCompactMarkingVisitor::ObjectStatsCountFixedArray(), MarkCompactMarkingVisitor::ObjectStatsVisitBase(), NewSpace::RecordAllocation(), NewSpace::RecordPromotion(), Heap::RecordStats(), Serializer::ObjectSerializer::Serialize(), FreeListNode::set_next(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitCode >::Visit(), and MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitFixedArray >::Visit().

int SizeFromMap ( Map *  map)
inline

Definition at line 3946 of file objects-inl.h.

References v8::internal::ASCII_INTERNALIZED_STRING_TYPE, v8::internal::ASCII_STRING_TYPE, ASSERT, v8::internal::BYTE_ARRAY_TYPE, v8::internal::CODE_TYPE, v8::internal::CONSTANT_POOL_ARRAY_TYPE, v8::internal::FIRST_FIXED_TYPED_ARRAY_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::INTERNALIZED_STRING_TYPE, v8::internal::kVariableSizeSentinel, v8::internal::LAST_FIXED_TYPED_ARRAY_TYPE, v8::internal::size, FixedDoubleArray::SizeFor(), ConstantPoolArray::SizeFor(), SeqOneByteString::SizeFor(), SeqTwoByteString::SizeFor(), FixedArray::BodyDescriptor::SizeOf(), and v8::internal::STRING_TYPE.

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

STATIC_CHECK ( kMapOffset  = =Internals::kHeapObjectMapOffset)
void UpdateMapCodeCache ( Handle< HeapObject >  object,
Handle< Name >  name,
Handle< Code >  code 
)
static

Definition at line 4552 of file objects.cc.

References HeapObject::map(), and Map::UpdateCodeCache().

Referenced by LoadIC::CompileHandler(), StoreIC::CompileHandler(), and IC::ComputeHandler().

Field Documentation

const int kHeaderSize = kMapOffset + kPointerSize
static

Definition at line 1891 of file objects.h.

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

const int kMapOffset = Object::kHeaderSize
static

Definition at line 1890 of file objects.h.

Referenced by HLoadEliminationEffects::Apply(), LCodeGen::DoDeferredMathAbsTaggedHeapNumber(), LCodeGen::DoDeferredTaggedToI(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForMap(), MacroAssembler::IsObjectJSObjectType(), MacroAssembler::IsObjectJSStringType(), MacroAssembler::IsObjectStringType(), HeapObject::Iterate(), HeapObject::map_word(), HLoadEliminationTable::Process(), and HeapObject::set_map_word().

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