v8  3.25.30(node0.11.13)
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Data Structures | Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes
Map Class Reference

#include <objects.h>

Inheritance diagram for Map:
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Collaboration diagram for Map:
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Data Structures

class  Deprecated
 
class  DictionaryMap
 
class  EnumLengthBits
 
class  FunctionWithPrototype
 
class  HasInstanceCallHandler
 
class  IsFrozen
 
class  IsMigrationTarget
 
class  IsShared
 
class  IsUnstable
 
class  NumberOfOwnDescriptorsBits
 
class  OwnsDescriptors
 

Public Types

typedef void(* TraverseCallback )(Map *map, void *data)
 
typedef FixedBodyDescriptor
< kPointerFieldsBeginOffset,
kPointerFieldsEndOffset, kSize > 		BodyDescriptor
 
- Public Types inherited from Object
enum  ValueType { OPTIMAL_REPRESENTATION, FORCE_TAGGED }
 

Public Member Functions

int instance_size ()
 
void set_instance_size (int value)
 
int inobject_properties ()
 
void set_inobject_properties (int value)
 
int pre_allocated_property_fields ()
 
void set_pre_allocated_property_fields (int value)
 
InstanceType instance_type ()
 
void set_instance_type (InstanceType value)
 
int unused_property_fields ()
 
void set_unused_property_fields (int value)
 
byte bit_field ()
 
void set_bit_field (byte value)
 
byte bit_field2 ()
 
void set_bit_field2 (byte value)
 
uint32_t bit_field3 ()
 
void set_bit_field3 (uint32_t bits)
 
 STATIC_ASSERT (kDescriptorIndexBitCount+kDescriptorIndexBitCount==20)
 
void set_non_instance_prototype (bool value)
 
bool has_non_instance_prototype ()
 
void set_function_with_prototype (bool value)
 
bool function_with_prototype ()
 
void set_is_hidden_prototype ()
 
bool is_hidden_prototype ()
 
void set_has_named_interceptor ()
 
bool has_named_interceptor ()
 
void set_has_indexed_interceptor ()
 
bool has_indexed_interceptor ()
 
void set_is_undetectable ()
 
bool is_undetectable ()
 
void set_is_observed ()
 
bool is_observed ()
 
void set_is_extensible (bool value)
 
bool is_extensible ()
 
void set_elements_kind (ElementsKind elements_kind)
 
ElementsKind elements_kind ()
 
bool has_fast_smi_elements ()
 
bool has_fast_object_elements ()
 
bool has_fast_smi_or_object_elements ()
 
bool has_fast_double_elements ()
 
bool has_fast_elements ()
 
bool has_sloppy_arguments_elements ()
 
bool has_external_array_elements ()
 
bool has_fixed_typed_array_elements ()
 
bool has_dictionary_elements ()
 
bool has_slow_elements_kind ()
 
bool DictionaryElementsInPrototypeChainOnly ()
 
bool HasTransitionArray ()
 
bool HasElementsTransition ()
 
Map * elements_transition_map ()
 
MUST_USE_RESULT MaybeObject * set_elements_transition_map (Map *transitioned_map)
 
void SetTransition (int transition_index, Map *target)
 
Map * GetTransition (int transition_index)
 
MUST_USE_RESULT MaybeObject * AddTransition (Name *key, Map *target, SimpleTransitionFlag flag)
 
void ClearTransitions (Heap *heap, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
void DeprecateTransitionTree ()
 
void DeprecateTarget (Name *key, DescriptorArray *new_descriptors)
 
Map * FindRootMap ()
 
Map * FindUpdatedMap (int verbatim, int length, DescriptorArray *descriptors)
 
Map * FindLastMatchMap (int verbatim, int length, DescriptorArray *descriptors)
 
int GetInObjectPropertyOffset (int index)
 
int NumberOfFields ()
 
bool InstancesNeedRewriting (Map *target, int target_number_of_fields, int target_inobject, int target_unused)
 
void PrintGeneralization (FILE *file, const char *reason, int modify_index, int split, int descriptors, bool constant_to_field, Representation old_representation, Representation new_representation)
 
String * constructor_name ()
 
void set_attached_to_shared_function_info (bool value)
 
bool attached_to_shared_function_info ()
 
void set_is_shared (bool value)
 
bool is_shared ()
 
void set_dictionary_map (bool value)
 
bool is_dictionary_map ()
 
void set_is_access_check_needed (bool access_check_needed)
 
bool is_access_check_needed ()
 
bool has_code_cache ()
 
void InitializeDescriptors (DescriptorArray *descriptors)
 
Object * GetBackPointer ()
 
void SetBackPointer (Object *value, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
void init_back_pointer (Object *undefined)
 
FixedArray * GetPrototypeTransitions ()
 
MUST_USE_RESULT MaybeObject * SetPrototypeTransitions (FixedArray *prototype_transitions)
 
bool HasPrototypeTransitions ()
 
HeapObject * UncheckedPrototypeTransitions ()
 
TransitionArray * unchecked_transition_array ()
 
int NumberOfProtoTransitions ()
 
void SetNumberOfProtoTransitions (int value)
 
void LookupDescriptor (JSObject *holder, Name *name, LookupResult *result)
 
void LookupTransition (JSObject *holder, Name *name, LookupResult *result)
 
PropertyDetails GetLastDescriptorDetails ()
 
bool CanHaveMoreTransitions ()
 
int LastAdded ()
 
int NumberOfOwnDescriptors ()
 
void SetNumberOfOwnDescriptors (int number)
 
Cell * RetrieveDescriptorsPointer ()
 
int EnumLength ()
 
void SetEnumLength (int length)
 
bool owns_descriptors ()
 
void set_owns_descriptors (bool is_shared)
 
bool has_instance_call_handler ()
 
void set_has_instance_call_handler ()
 
void freeze ()
 
bool is_frozen ()
 
void mark_unstable ()
 
bool is_stable ()
 
void set_migration_target (bool value)
 
bool is_migration_target ()
 
void deprecate ()
 
bool is_deprecated ()
 
bool CanBeDeprecated ()
 
MUST_USE_RESULT MaybeObject * RawCopy (int instance_size)
 
MUST_USE_RESULT MaybeObject * CopyWithPreallocatedFieldDescriptors ()
 
MUST_USE_RESULT MaybeObject * CopyDropDescriptors ()
 
MUST_USE_RESULT MaybeObject * CopyReplaceDescriptors (DescriptorArray *descriptors, TransitionFlag flag, Name *name=NULL, SimpleTransitionFlag simple_flag=FULL_TRANSITION)
 
MUST_USE_RESULT MaybeObject * ShareDescriptor (DescriptorArray *descriptors, Descriptor *descriptor)
 
MUST_USE_RESULT MaybeObject * CopyAddDescriptor (Descriptor *descriptor, TransitionFlag flag)
 
MUST_USE_RESULT MaybeObject * CopyInsertDescriptor (Descriptor *descriptor, TransitionFlag flag)
 
MUST_USE_RESULT MaybeObject * CopyReplaceDescriptor (DescriptorArray *descriptors, Descriptor *descriptor, int index, TransitionFlag flag)
 
MUST_USE_RESULT MaybeObject * AsElementsKind (ElementsKind kind)
 
MUST_USE_RESULT MaybeObject * CopyAsElementsKind (ElementsKind kind, TransitionFlag flag)
 
void AppendDescriptor (Descriptor *desc, const DescriptorArray::WhitenessWitness &)
 
MUST_USE_RESULT MaybeObject * Copy ()
 
int NextFreePropertyIndex ()
 
int NumberOfDescribedProperties (DescriptorFlag which=OWN_DESCRIPTORS, PropertyAttributes filter=NONE)
 
int InitialPropertiesLength ()
 
AccessorDescriptor * FindAccessor (Name *name)
 
void ClearCodeCache (Heap *heap)
 
MUST_USE_RESULT MaybeObject * UpdateCodeCache (Name *name, Code *code)
 
Object * FindInCodeCache (Name *name, Code::Flags flags)
 
int IndexInCodeCache (Object *name, Code *code)
 
void RemoveFromCodeCache (Name *name, Code *code, int index)
 
void ClearNonLiveTransitions (Heap *heap)
 
int Hash ()
 
bool EquivalentToForTransition (Map *other)
 
bool EquivalentToForNormalization (Map *other, PropertyNormalizationMode mode)
 
Map * LookupElementsTransitionMap (ElementsKind elements_kind)
 
Handle< Map > FindTransitionedMap (MapHandleList *candidates)
 
Map * FindTransitionedMap (MapList *candidates)
 
void ZapPrototypeTransitions ()
 
void ZapTransitions ()
 
bool CanTransition ()
 
bool IsJSObjectMap ()
 
bool IsJSGlobalProxyMap ()
 
bool IsJSGlobalObjectMap ()
 
bool IsGlobalObjectMap ()
 
void NotifyLeafMapLayoutChange ()
 
bool CanOmitMapChecks ()
 
void AddDependentCompilationInfo (DependentCode::DependencyGroup group, CompilationInfo *info)
 
void AddDependentCode (DependentCode::DependencyGroup group, Handle< Code > code)
 
bool IsMapInArrayPrototypeChain ()
 
int visitor_id ()
 
void set_visitor_id (int visitor_id)
 
void TraverseTransitionTree (TraverseCallback callback, void *data)
 
 STATIC_CHECK (kInstanceTypeOffset==Internals::kMapInstanceTypeOffset)
 
- Public Member Functions inherited from HeapObject
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 bool IsValidElementsTransition (ElementsKind from_kind, ElementsKind to_kind)
 
static Handle< TransitionArray > AddTransition (Handle< Map > map, Handle< Name > key, Handle< Map > target, SimpleTransitionFlag flag)
 
static Handle< Map > GeneralizeAllFieldRepresentations (Handle< Map > map, Representation new_representation)
 
static Handle< Map > GeneralizeRepresentation (Handle< Map > map, int modify_index, Representation new_representation, StoreMode store_mode)
 
static Handle< Map > CopyGeneralizeAllRepresentations (Handle< Map > map, int modify_index, StoreMode store_mode, PropertyAttributes attributes, const char *reason)
 
static Handle< Map > CurrentMapForDeprecated (Handle< Map > map)
 
static Handle< Map > CurrentMapForDeprecatedInternal (Handle< Map > map)
 
static Handle< Map > RawCopy (Handle< Map > map, int instance_size)
 
static Handle< Map > CopyDropDescriptors (Handle< Map > map)
 
static Handle< Map > CopyReplaceDescriptors (Handle< Map > map, Handle< DescriptorArray > descriptors, TransitionFlag flag, Handle< Name > name)
 
static Handle< Map > CopyInstallDescriptors (Handle< Map > map, int new_descriptor, Handle< DescriptorArray > descriptors)
 
static Handle< Map > AsElementsKind (Handle< Map > map, ElementsKind kind)
 
static Handle< Map > CopyForObserved (Handle< Map > map)
 
static Handle< Map > CopyNormalized (Handle< Map > map, PropertyNormalizationMode mode, NormalizedMapSharingMode sharing)
 
static Handle< Map > Copy (Handle< Map > map)
 
static Map * cast (Object *obj)
 
static void UpdateCodeCache (Handle< Map > map, Handle< Name > name, Handle< Code > code)
 
static void AppendCallbackDescriptors (Handle< Map > map, Handle< Object > descriptors)
 
static void EnsureDescriptorSlack (Handle< Map > map, int slack)
 
static Handle< Map > GetPrototypeTransition (Handle< Map > map, Handle< Object > prototype)
 
static Handle< Map > PutPrototypeTransition (Handle< Map > map, Handle< Object > prototype, Handle< Map > target_map)
 
- Static Public Member Functions inherited from HeapObject
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 kProtoTransitionHeaderSize = 1
 
static const int kProtoTransitionNumberOfEntriesOffset = 0
 
static const int kProtoTransitionElementsPerEntry = 2
 
static const int kProtoTransitionPrototypeOffset = 0
 
static const int kProtoTransitionMapOffset = 1
 
static const int kMaxCachedPrototypeTransitions = 256
 
static const int kMaxPreAllocatedPropertyFields = 255
 
static const int kInstanceSizesOffset = HeapObject::kHeaderSize
 
static const int kInstanceAttributesOffset = kInstanceSizesOffset + kIntSize
 
static const int kPrototypeOffset = kInstanceAttributesOffset + kIntSize
 
static const int kConstructorOffset = kPrototypeOffset + kPointerSize
 
static const int kTransitionsOrBackPointerOffset
 
static const int kDescriptorsOffset
 
static const int kCodeCacheOffset = kDescriptorsOffset + kPointerSize
 
static const int kDependentCodeOffset = kCodeCacheOffset + kPointerSize
 
static const int kBitField3Offset = kDependentCodeOffset + kPointerSize
 
static const int kSize = kBitField3Offset + kPointerSize
 
static const int kPointerFieldsBeginOffset = Map::kPrototypeOffset
 
static const int kPointerFieldsEndOffset = kBitField3Offset + kPointerSize
 
static const int kInstanceSizeOffset = kInstanceSizesOffset + 0
 
static const int kInObjectPropertiesByte = 1
 
static const int kInObjectPropertiesOffset
 
static const int kPreAllocatedPropertyFieldsByte = 2
 
static const int kPreAllocatedPropertyFieldsOffset
 
static const int kVisitorIdByte = 3
 
static const int kVisitorIdOffset = kInstanceSizesOffset + kVisitorIdByte
 
static const int kInstanceTypeOffset = kInstanceAttributesOffset + 0
 
static const int kUnusedPropertyFieldsOffset = kInstanceAttributesOffset + 1
 
static const int kBitFieldOffset = kInstanceAttributesOffset + 2
 
static const int kBitField2Offset = kInstanceAttributesOffset + 3
 
static const int kUnused = 0
 
static const int kHasNonInstancePrototype = 1
 
static const int kIsHiddenPrototype = 2
 
static const int kHasNamedInterceptor = 3
 
static const int kHasIndexedInterceptor = 4
 
static const int kIsUndetectable = 5
 
static const int kIsObserved = 6
 
static const int kIsAccessCheckNeeded = 7
 
static const int kIsExtensible = 0
 
static const int kStringWrapperSafeForDefaultValueOf = 1
 
static const int kAttachedToSharedFunctionInfo = 2
 
static const int kElementsKindShift = 3
 
static const int kElementsKindBitCount = 5
 
static const int kElementsKindMask
 
static const int8_t kMaximumBitField2FastElementValue
 
static const int8_t kMaximumBitField2FastSmiElementValue
 
static const int8_t kMaximumBitField2FastHoleyElementValue
 
static const int8_t kMaximumBitField2FastHoleySmiElementValue
 
- Static Public Attributes inherited from HeapObject
static const int kMapOffset = Object::kHeaderSize
 
static const int kHeaderSize = kMapOffset + kPointerSize
 
- Static Public Attributes inherited from Object
static const int kHeaderSize = 0
 

Additional Inherited Members

- Protected Member Functions inherited from HeapObject
void IteratePointers (ObjectVisitor *v, int start, int end)
 
void IteratePointer (ObjectVisitor *v, int offset)
 
void IterateNextCodeLink (ObjectVisitor *v, int offset)
 

Detailed Description

Definition at line 5817 of file objects.h.

Member Typedef Documentation

typedef FixedBodyDescriptor<kPointerFieldsBeginOffset, kPointerFieldsEndOffset, kSize> BodyDescriptor

Definition at line 6502 of file objects.h.

typedef void(* TraverseCallback)(Map *map, void *data)

Definition at line 6404 of file objects.h.

Member Function Documentation

void AddDependentCode ( DependentCode::DependencyGroup  group,
Handle< Code >  code 
)

Definition at line 11505 of file objects.cc.

References v8::internal::dependent_code, and DependentCode::Insert().

void AddDependentCompilationInfo ( DependentCode::DependencyGroup  group,
CompilationInfo *  info 
)

Definition at line 11495 of file objects.cc.

References CompilationInfo::dependencies(), v8::internal::dependent_code, DependentCode::Insert(), CompilationInfo::object_wrapper(), and CompilationInfo::zone().

Handle< TransitionArray > AddTransition ( Handle< Map >  map,
Handle< Name >  key,
Handle< Map >  target,
SimpleTransitionFlag  flag 
)
static

Definition at line 2458 of file objects.cc.

References CALL_HEAP_FUNCTION.

Referenced by Map::CopyForObserved(), Map::CopyInstallDescriptors(), Map::CopyReplaceDescriptors(), Map::set_elements_transition_map(), and Map::ShareDescriptor().

MaybeObject * AddTransition ( Name *  key,
Map *  target,
SimpleTransitionFlag  flag 
)
inline

Definition at line 4827 of file objects-inl.h.

References Map::GetBackPointer(), Map::HasTransitionArray(), and TransitionArray::NewWith().

void AppendCallbackDescriptors ( Handle< Map >  map,
Handle< Object >  descriptors 
)
static

Definition at line 3173 of file objects.cc.

References ASSERT.

Referenced by Factory::CreateApiFunction().

void AppendDescriptor ( Descriptor *  desc,
const DescriptorArray::WhitenessWitness &  witness 
)
inline

Definition at line 4781 of file objects-inl.h.

References DescriptorArray::Append(), ASSERT, DescriptorArray::number_of_descriptors(), Map::NumberOfOwnDescriptors(), and Map::SetNumberOfOwnDescriptors().

MaybeObject * AsElementsKind ( ElementsKind  kind)

Definition at line 3360 of file objects.cc.

References Map::elements_kind().

Referenced by JSObject::GetElementsTransitionMapSlow().

Handle< Map > AsElementsKind ( Handle< Map >  map,
ElementsKind  kind 
)
static

Definition at line 3353 of file objects.cc.

References CALL_HEAP_FUNCTION.

bool attached_to_shared_function_info ( )
inline

Definition at line 4111 of file objects-inl.h.

References Map::bit_field2(), and Map::kAttachedToSharedFunctionInfo.

byte bit_field ( )
inline

Definition at line 4032 of file objects-inl.h.

References Map::kBitFieldOffset, and READ_BYTE_FIELD.

Referenced by Map::has_non_instance_prototype(), Map::is_access_check_needed(), Map::RawCopy(), Map::set_is_access_check_needed(), and Map::set_non_instance_prototype().

byte bit_field2 ( )
inline

Definition at line 4042 of file objects-inl.h.

References Map::kBitField2Offset, and READ_BYTE_FIELD.

Referenced by Map::attached_to_shared_function_info(), SharedFunctionInfo::AttachInitialMap(), SharedFunctionInfo::DetachInitialMap(), Map::Hash(), Map::is_extensible(), Map::RawCopy(), Map::set_attached_to_shared_function_info(), and Map::set_is_extensible().

uint32_t bit_field3 ( )
inline

Definition at line 4762 of file objects-inl.h.

References Smi::cast(), Map::kBitField3Offset, READ_FIELD, and Smi::value().

Referenced by Map::deprecate(), Map::freeze(), Map::function_with_prototype(), Map::has_instance_call_handler(), Map::is_deprecated(), Map::is_dictionary_map(), Map::is_frozen(), Map::is_migration_target(), Map::is_shared(), Map::is_stable(), Map::mark_unstable(), Map::owns_descriptors(), Map::RawCopy(), Map::set_dictionary_map(), Map::set_function_with_prototype(), Map::set_has_instance_call_handler(), Map::set_is_shared(), Map::set_migration_target(), and Map::set_owns_descriptors().

bool CanBeDeprecated ( )
inline

Definition at line 4207 of file objects-inl.h.

References v8::internal::CONSTANT, and Map::LastAdded().

bool CanHaveMoreTransitions ( )
inline

Definition at line 4819 of file objects-inl.h.

References Map::HasTransitionArray(), Page::kMaxRegularHeapObjectSize, TransitionArray::kTransitionSize, and FixedArray::SizeFor().

Referenced by Map::CopyAddDescriptor(), and Map::CopyReplaceDescriptors().

bool CanOmitMapChecks ( )
inline

Definition at line 4231 of file objects-inl.h.

References Map::is_stable().

bool CanTransition ( )
inline

Definition at line 6357 of file objects.h.

References v8::internal::FIRST_JS_OBJECT_TYPE, v8::internal::LAST_JS_OBJECT_TYPE, v8::internal::LAST_TYPE, and v8::internal::STATIC_ASSERT().

Referenced by Code::IsWeakObjectInOptimizedCode().

static Map* cast ( Object *  obj)
inlinestatic

Referenced by v8::internal::ACCESSORS(), HeapTypeConfig::as_class(), HeapRep::AsClass(), SharedFunctionInfo::CompleteInobjectSlackTracking(), Heap::CreateApiObjects(), Runtime::CreateArrayLiteralBoilerplate(), Map::DeprecateTarget(), Code::FindAllMaps(), Code::FindAllTypes(), Code::FindFirstMap(), Map::FindRootMap(), JSObject::GetElementsTransitionMap(), Map::GetPrototypeTransition(), TransitionArray::GetTarget(), HeapObject::HeapObjectShortPrint(), Code::IsWeakObjectInOptimizedCode(), Heap::MapForExternalArrayType(), Heap::MapForFixedTypedArray(), v8::internal::RUNTIME_FUNCTION(), PartialSerializer::SerializeObject(), Map::ShareDescriptor(), TEST(), and MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit().

void ClearCodeCache ( Heap *  heap)
inline

Definition at line 6600 of file objects-inl.h.

References ASSERT, Heap::InNewSpace(), Map::kCodeCacheOffset, and WRITE_FIELD.

Referenced by Map::CopyDropDescriptors().

void ClearNonLiveTransitions ( Heap *  heap)

Definition at line 9320 of file objects.cc.

References ASSERT, HeapObject::GetHeap(), TransitionArray::GetKey(), TransitionArray::GetKeySlot(), TransitionArray::GetTarget(), Map::HasTransitionArray(), TransitionArray::IsSimpleTransition(), TransitionArray::kTransitionSize, Heap::mark_compact_collector(), DescriptorArray::number_of_descriptors(), TransitionArray::number_of_transitions(), Map::NumberOfOwnDescriptors(), Map::set_owns_descriptors(), TransitionArray::SetKey(), and TransitionArray::SetTarget().

void ClearTransitions ( Heap *  heap,
WriteBarrierMode  mode = UPDATE_WRITE_BARRIER 
)
inline

Definition at line 4768 of file objects-inl.h.

References CONDITIONAL_WRITE_BARRIER, Map::GetBackPointer(), Map::HasTransitionArray(), Map::kTransitionsOrBackPointerOffset, Heap::ShouldZapGarbage(), WRITE_FIELD, and Map::ZapTransitions().

String * constructor_name ( )

Definition at line 1936 of file objects.cc.

References JSObject::cast(), JSFunction::cast(), String::cast(), JSReceiver::constructor_name(), HeapObject::GetHeap(), and String::length().

Referenced by JSReceiver::constructor_name(), Map::PrintGeneralization(), and JSObject::PrintInstanceMigration().

Handle< Map > Copy ( Handle< Map >  map)
static

Definition at line 6985 of file objects.cc.

References CALL_HEAP_FUNCTION.

Referenced by v8::internal::RUNTIME_FUNCTION().

MaybeObject * Copy ( )

Definition at line 6990 of file objects.cc.

References Map::CopyReplaceDescriptors(), DescriptorArray::CopyUpTo(), Map::NumberOfOwnDescriptors(), and v8::internal::OMIT_TRANSITION.

Referenced by Map::CopyAsElementsKind(), Map::CopyForObserved(), Map::CopyGeneralizeAllRepresentations(), JSObject::Freeze(), Factory::NewFunctionPrototype(), JSObject::PreventExtensions(), JSFunction::SetInstancePrototype(), JSObject::SetObserved(), JSObject::SetPrototype(), and JSFunction::SetPrototype().

MaybeObject * CopyAddDescriptor ( Descriptor *  descriptor,
TransitionFlag  flag 
)

Definition at line 7002 of file objects.cc.

References DescriptorArray::Allocate(), DescriptorArray::Append(), Map::CanHaveMoreTransitions(), DescriptorArray::CopyFrom(), Map::CopyReplaceDescriptors(), HeapObject::GetIsolate(), v8::internal::INSERT_TRANSITION, DescriptorArray::number_of_descriptors(), Map::NumberOfOwnDescriptors(), Map::owns_descriptors(), DescriptorArray::Set(), DescriptorArray::SetNumberOfDescriptors(), Map::ShareDescriptor(), v8::internal::SIMPLE_TRANSITION, and DescriptorArray::Sort().

Referenced by Map::CopyInsertDescriptor().

MaybeObject * CopyAsElementsKind ( ElementsKind  kind,
TransitionFlag  flag 
)

Definition at line 6881 of file objects.cc.

References ASSERT, Map::Copy(), Map::CopyDropDescriptors(), v8::internal::DICTIONARY_ELEMENTS, Map::elements_kind(), Map::elements_transition_map(), Map::HasElementsTransition(), Map::InitializeDescriptors(), v8::internal::INSERT_TRANSITION, v8::internal::IsExternalArrayElementsKind(), v8::internal::IsFastElementsKind(), v8::internal::IsMoreGeneralElementsKindTransition(), Map::owns_descriptors(), Map::set_elements_kind(), Map::set_elements_transition_map(), Map::set_owns_descriptors(), and Map::SetBackPointer().

Referenced by JSObject::GetElementsTransitionMapSlow().

Handle< Map > CopyDropDescriptors ( Handle< Map >  map)
static

Definition at line 6712 of file objects.cc.

References CALL_HEAP_FUNCTION.

Referenced by NameDictionary::TransformPropertiesToFastFor().

MaybeObject * CopyDropDescriptors ( )

Definition at line 6717 of file objects.cc.

References Map::ClearCodeCache(), HeapObject::GetHeap(), Map::inobject_properties(), Map::instance_size(), Map::NotifyLeafMapLayoutChange(), Map::pre_allocated_property_fields(), Map::RawCopy(), Map::set_inobject_properties(), Map::set_is_shared(), Map::set_pre_allocated_property_fields(), Map::set_unused_property_fields(), and Map::unused_property_fields().

Referenced by Map::CopyAsElementsKind(), Map::CopyForObserved(), Map::CopyInstallDescriptors(), Map::CopyReplaceDescriptors(), Map::CopyWithPreallocatedFieldDescriptors(), Factory::NewGlobalObject(), and Map::ShareDescriptor().

Handle< Map > CopyForObserved ( Handle< Map >  map)
static

Definition at line 6933 of file objects.cc.

References Map::AddTransition(), ASSERT, Map::Copy(), Map::CopyDropDescriptors(), and v8::internal::FULL_TRANSITION.

Referenced by JSObject::SetObserved().

Handle< Map > CopyGeneralizeAllRepresentations ( Handle< Map >  map,
int  modify_index,
StoreMode  store_mode,
PropertyAttributes  attributes,
const char *  reason 
)
static

Definition at line 2489 of file objects.cc.

References v8::internal::CONSTANT, Map::Copy(), v8::internal::FIELD, v8::internal::FORCE_FIELD, DescriptorArray::GetDetails(), DescriptorArray::GetKey(), DescriptorArray::InitializeRepresentations(), JSObject::kFieldsAdded, DescriptorArray::Set(), and Representation::Tagged().

Referenced by Map::GeneralizeRepresentation().

MaybeObject * CopyInsertDescriptor ( Descriptor *  descriptor,
TransitionFlag  flag 
)

Definition at line 7044 of file objects.cc.

References Map::CopyAddDescriptor(), Map::CopyReplaceDescriptor(), and DescriptorArray::kNotFound.

Handle< Map > CopyInstallDescriptors ( Handle< Map >  map,
int  new_descriptor,
Handle< DescriptorArray >  descriptors 
)
static

Definition at line 6849 of file objects.cc.

References Map::AddTransition(), ASSERT, Map::CopyDropDescriptors(), v8::internal::FIELD, v8::internal::handle(), JSObject::kFieldsAdded, and v8::internal::SIMPLE_TRANSITION.

Referenced by Map::GeneralizeRepresentation().

Handle< Map > CopyNormalized ( Handle< Map >  map,
PropertyNormalizationMode  mode,
NormalizedMapSharingMode  sharing 
)
static

Definition at line 6684 of file objects.cc.

References v8::internal::CLEAR_INOBJECT_PROPERTIES, v8::internal::kPointerSize, Map::RawCopy(), and v8::internal::SHARED_NORMALIZED_MAP.

Referenced by NormalizedMapCache::Get().

MaybeObject * CopyReplaceDescriptor ( DescriptorArray *  descriptors,
Descriptor *  descriptor,
int  index,
TransitionFlag  flag 
)

Definition at line 7108 of file objects.cc.

References DescriptorArray::Allocate(), ASSERT, ASSERT_LT, DescriptorArray::CopyFrom(), Map::CopyReplaceDescriptors(), v8::internal::FULL_TRANSITION, HeapObject::GetIsolate(), DescriptorArray::GetKey(), FixedArrayBase::length(), DescriptorArray::number_of_descriptors(), Map::NumberOfOwnDescriptors(), DescriptorArray::Set(), v8::internal::SIMPLE_TRANSITION, and DescriptorArray::Sort().

Referenced by Map::CopyInsertDescriptor(), and v8::internal::RUNTIME_FUNCTION().

Handle< Map > CopyReplaceDescriptors ( Handle< Map >  map,
Handle< DescriptorArray >  descriptors,
TransitionFlag  flag,
Handle< Name >  name 
)
static

Definition at line 6811 of file objects.cc.

References CALL_HEAP_FUNCTION.

Referenced by Map::Copy(), Map::CopyAddDescriptor(), Map::CopyReplaceDescriptor(), Map::CopyWithPreallocatedFieldDescriptors(), and JSObject::Freeze().

MaybeObject * CopyReplaceDescriptors ( DescriptorArray *  descriptors,
TransitionFlag  flag,
Name *  name = NULL,
SimpleTransitionFlag  simple_flag = FULL_TRANSITION 
)

Definition at line 6821 of file objects.cc.

References Map::AddTransition(), ASSERT, Map::CanHaveMoreTransitions(), Map::CopyDropDescriptors(), DescriptorArray::InitializeRepresentations(), v8::internal::INSERT_TRANSITION, and Representation::Tagged().

MaybeObject * CopyWithPreallocatedFieldDescriptors ( )

Definition at line 6965 of file objects.cc.

References ASSERT, JSFunction::cast(), Map::CopyDropDescriptors(), Map::CopyReplaceDescriptors(), DescriptorArray::CopyUpTo(), JSFunction::initial_map(), Map::NumberOfOwnDescriptors(), v8::internal::OMIT_TRANSITION, and Map::pre_allocated_property_fields().

Handle< Map > CurrentMapForDeprecated ( Handle< Map >  map)
static

Definition at line 2784 of file objects.cc.

References JSObject::cast(), Map::CurrentMapForDeprecatedInternal(), and JSObject::TryMigrateInstance().

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::AddMapIfMissing(), and TypeFeedbackOracle::CompareType().

Handle< Map > CurrentMapForDeprecatedInternal ( Handle< Map >  map)
static

Definition at line 2797 of file objects.cc.

References Map::FindUpdatedMap(), v8::internal::handle(), v8::internal::NULL, and Map::NumberOfOwnDescriptors().

Referenced by Map::CurrentMapForDeprecated(), and JSObject::TryMigrateInstance().

void deprecate ( )
inline

Definition at line 4162 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by Map::DeprecateTransitionTree().

void DeprecateTarget ( Name *  key,
DescriptorArray *  new_descriptors 
)

Definition at line 2544 of file objects.cc.

References Map::cast(), Map::DeprecateTransitionTree(), Map::GetBackPointer(), HeapObject::GetHeap(), TransitionArray::GetTarget(), Map::HasTransitionArray(), Heap::incremental_marking(), TransitionArray::kNotFound, Map::NumberOfOwnDescriptors(), IncrementalMarking::RecordWrites(), TransitionArray::Search(), Map::set_owns_descriptors(), and Map::SetEnumLength().

void DeprecateTransitionTree ( )

Definition at line 2526 of file objects.cc.

References v8::internal::dependent_code, Map::deprecate(), Map::DeprecateTransitionTree(), HeapObject::GetIsolate(), TransitionArray::GetTarget(), Map::HasTransitionArray(), Map::is_deprecated(), DependentCode::kTransitionGroup, Map::NotifyLeafMapLayoutChange(), and TransitionArray::number_of_transitions().

Referenced by Map::DeprecateTarget(), and Map::DeprecateTransitionTree().

bool DictionaryElementsInPrototypeChainOnly ( )

Definition at line 6197 of file objects.cc.

References JSObject::cast(), Map::elements_kind(), HeapObject::GetHeap(), HeapObject::GetIsolate(), v8::internal::IsDictionaryElementsKind(), and HeapObject::map().

ElementsKind elements_kind ( )
inline

Definition at line 5945 of file objects.h.

Referenced by Map::AsElementsKind(), Map::CopyAsElementsKind(), Map::DictionaryElementsInPrototypeChainOnly(), Heap::EmptyExternalArrayForMap(), Heap::EmptyFixedTypedArrayForMap(), Map::FindTransitionedMap(), JSObject::GetElementsKind(), JSObject::GetElementsTransitionMap(), JSObject::GetElementsTransitionMapSlow(), IC::IsTransitionOfMonomorphicTarget(), Map::LookupElementsTransitionMap(), v8::internal::RUNTIME_FUNCTION(), and IC::TryRemoveInvalidPrototypeDependentStub().

Map * elements_transition_map ( )
inline

Definition at line 4813 of file objects-inl.h.

References HeapObject::GetHeap().

Referenced by Map::CopyAsElementsKind().

void EnsureDescriptorSlack ( Handle< Map >  map,
int  slack 
)
static

Definition at line 3083 of file objects.cc.

References Isolate::factory(), and Factory::NewDescriptorArray().

Referenced by Factory::CreateApiFunction().

int EnumLength ( )
inline

Definition at line 6185 of file objects.h.

Referenced by JSReceiver::IsSimpleEnum(), and JSObject::NumberOfLocalProperties().

bool EquivalentToForNormalization ( Map *  other,
PropertyNormalizationMode  mode 
)

Definition at line 9414 of file objects.cc.

References v8::internal::CLEAR_INOBJECT_PROPERTIES, and Map::inobject_properties().

bool EquivalentToForTransition ( Map *  other)

Definition at line 9409 of file objects.cc.

AccessorDescriptor * FindAccessor ( Name *  name)

Definition at line 5944 of file objects.cc.

References v8::internal::CALLBACKS, Name::Equals(), DescriptorArray::GetCallbacks(), DescriptorArray::GetKey(), DescriptorArray::GetType(), v8::internal::NULL, and Map::NumberOfOwnDescriptors().

Object * FindInCodeCache ( Name *  name,
Code::Flags  flags 
)

Definition at line 7173 of file objects.cc.

References CodeCache::cast(), HeapObject::GetHeap(), and CodeCache::Lookup().

Map * FindLastMatchMap ( int  verbatim,
int  length,
DescriptorArray *  descriptors 
)

Definition at line 2616 of file objects.cc.

References ASSERT, Map::GetBackPointer(), DescriptorArray::GetDetails(), DescriptorArray::GetKey(), TransitionArray::GetTarget(), DescriptorArray::GetValue(), Map::HasTransitionArray(), TransitionArray::kNotFound, and TransitionArray::Search().

Map * FindRootMap ( )

Definition at line 2571 of file objects.cc.

References Map::cast(), and Map::GetBackPointer().

Handle< Map > FindTransitionedMap ( MapHandleList *  candidates)

Definition at line 3211 of file objects.cc.

References v8::internal::CanTransitionToMoreGeneralFastElementsKind(), Map::elements_kind(), v8::internal::GetNextMoreGeneralFastElementsKind(), Handle< T >::is_null(), v8::internal::IsFastPackedElementsKind(), v8::internal::IsTransitionableFastElementsKind(), and Handle< T >::null().

Map* FindTransitionedMap ( MapList *  candidates)
Map * FindUpdatedMap ( int  verbatim,
int  length,
DescriptorArray *  descriptors 
)

Definition at line 2582 of file objects.cc.

References ASSERT, v8::internal::CALLBACKS, Map::GetBackPointer(), DescriptorArray::GetDetails(), DescriptorArray::GetKey(), TransitionArray::GetTarget(), DescriptorArray::GetValue(), Map::HasTransitionArray(), TransitionArray::kNotFound, v8::internal::NULL, and TransitionArray::Search().

Referenced by Map::CurrentMapForDeprecatedInternal(), and Map::GeneralizeRepresentation().

void freeze ( )
inline

Definition at line 4182 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

bool function_with_prototype ( )
inline

Definition at line 4071 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by JSFunction::should_have_prototype().

Handle< Map > GeneralizeAllFieldRepresentations ( Handle< Map >  map,
Representation  new_representation 
)
static

Definition at line 2770 of file objects.cc.

References v8::internal::FIELD, v8::internal::FORCE_FIELD, Map::GeneralizeRepresentation(), and HeapObject::map().

Handle< Map > GeneralizeRepresentation ( Handle< Map >  map,
int  modify_index,
Representation  new_representation,
StoreMode  store_mode 
)
static

Definition at line 2666 of file objects.cc.

References v8::internal::ALLOW_AS_CONSTANT, ASSERT, v8::internal::CONSTANT, Map::CopyGeneralizeAllRepresentations(), Map::CopyInstallDescriptors(), Representation::Equals(), v8::internal::FIELD, Map::FindUpdatedMap(), Representation::fits_into(), v8::internal::FORCE_FIELD, Representation::generalize(), Representation::IsDouble(), Representation::IsNone(), DescriptorArray::Merge(), and v8::internal::NULL.

Referenced by Map::GeneralizeAllFieldRepresentations(), and JSObject::GeneralizeFieldRepresentation().

Object * GetBackPointer ( )
inline

Definition at line 4791 of file objects-inl.h.

References ASSERT, TransitionArray::back_pointer_storage(), TransitionArray::cast(), Map::kTransitionsOrBackPointerOffset, and READ_FIELD.

Referenced by Map::AddTransition(), Map::ClearTransitions(), Map::DeprecateTarget(), Map::FindLastMatchMap(), Map::FindRootMap(), Map::FindUpdatedMap(), StaticMarkingVisitor< StaticVisitor >::MarkMapContents(), Map::SetBackPointer(), and Map::ShareDescriptor().

int GetInObjectPropertyOffset ( int  index)
inline

Definition at line 3938 of file objects-inl.h.

References ASSERT, Map::inobject_properties(), Map::instance_size(), and v8::internal::kPointerSize.

Referenced by JSObject::GetInObjectPropertyOffset().

PropertyDetails GetLastDescriptorDetails ( )
inline

Definition at line 2555 of file objects-inl.h.

References Map::LastAdded().

Referenced by TransitionArray::GetTargetDetails().

Handle< Map > GetPrototypeTransition ( Handle< Map >  map,
Handle< Object >  prototype 
)
static

Definition at line 11416 of file objects.cc.

References Map::cast(), FixedArray::get(), Map::kProtoTransitionElementsPerEntry, Map::kProtoTransitionHeaderSize, Map::kProtoTransitionMapOffset, and Map::kProtoTransitionPrototypeOffset.

Referenced by JSObject::SetPrototype(), and TEST().

FixedArray * GetPrototypeTransitions ( )
inline

Definition at line 4857 of file objects-inl.h.

References HeapObject::GetHeap(), Map::HasPrototypeTransitions(), and Map::HasTransitionArray().

Referenced by TraversableMap::ChildIteratorStart(), Map::SetPrototypeTransitions(), TEST(), and Map::ZapPrototypeTransitions().

Map * GetTransition ( int  transition_index)
inline

Definition at line 4840 of file objects-inl.h.

bool has_code_cache ( )
inline

Definition at line 4202 of file objects-inl.h.

References HeapObject::GetIsolate(), and Isolate::heap().

Referenced by MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit().

bool has_dictionary_elements ( )
inline

Definition at line 5984 of file objects.h.

References v8::internal::IsDictionaryElementsKind().

bool has_external_array_elements ( )
inline

Definition at line 5976 of file objects.h.

References v8::internal::IsExternalArrayElementsKind().

bool has_fast_double_elements ( )
inline

Definition at line 5964 of file objects.h.

References v8::internal::IsFastDoubleElementsKind().

bool has_fast_elements ( )
inline

Definition at line 5968 of file objects.h.

References v8::internal::IsFastElementsKind().

bool has_fast_object_elements ( )
inline

Definition at line 5956 of file objects.h.

References v8::internal::IsFastObjectElementsKind().

bool has_fast_smi_elements ( )
inline

Definition at line 5951 of file objects.h.

References v8::internal::IsFastSmiElementsKind().

bool has_fast_smi_or_object_elements ( )
inline

Definition at line 5960 of file objects.h.

References v8::internal::IsFastSmiOrObjectElementsKind().

bool has_fixed_typed_array_elements ( )
inline

Definition at line 5980 of file objects.h.

References v8::internal::IsFixedTypedArrayElementsKind().

bool has_indexed_interceptor ( )
inline

Definition at line 5907 of file objects.h.

Referenced by JSObject::HasIndexedInterceptor().

bool has_instance_call_handler ( )
inline

Definition at line 4157 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by Execution::GetConstructorDelegate(), Execution::GetFunctionDelegate(), Object::IsCallable(), Execution::TryGetConstructorDelegate(), and Execution::TryGetFunctionDelegate().

bool has_named_interceptor ( )
inline

Definition at line 5898 of file objects.h.

Referenced by JSObject::HasNamedInterceptor(), and v8::internal::RUNTIME_FUNCTION().

bool has_non_instance_prototype ( )
inline

Definition at line 4061 of file objects-inl.h.

References Map::bit_field(), and Map::kHasNonInstancePrototype.

Referenced by JSFunction::has_prototype().

bool has_sloppy_arguments_elements ( )
inline

Definition at line 5972 of file objects.h.

References v8::internal::SLOPPY_ARGUMENTS_ELEMENTS.

bool has_slow_elements_kind ( )
inline

Definition at line 5988 of file objects.h.

References v8::internal::DICTIONARY_ELEMENTS, and v8::internal::SLOPPY_ARGUMENTS_ELEMENTS.

bool HasElementsTransition ( )
inline

Definition at line 4802 of file objects-inl.h.

References Map::HasTransitionArray().

Referenced by Map::CopyAsElementsKind().

int Hash ( )

Definition at line 9379 of file objects.cc.

References Map::bit_field2().

bool HasPrototypeTransitions ( )
inline

Definition at line 4882 of file objects-inl.h.

References Map::HasTransitionArray().

Referenced by TraversableMap::ChildIteratorStart(), Map::GetPrototypeTransitions(), Map::SetPrototypeTransitions(), and Map::UncheckedPrototypeTransitions().

bool HasTransitionArray ( )
inline

Definition at line 4807 of file objects-inl.h.

References Map::kTransitionsOrBackPointerOffset, and READ_FIELD.

Referenced by Map::AddTransition(), Map::CanHaveMoreTransitions(), TraversableMap::ChildIteratorStart(), Map::ClearNonLiveTransitions(), Map::ClearTransitions(), Map::DeprecateTarget(), Map::DeprecateTransitionTree(), Map::FindLastMatchMap(), Map::FindUpdatedMap(), Map::GetPrototypeTransitions(), Map::HasElementsTransition(), Map::HasPrototypeTransitions(), Map::LookupTransition(), Map::UncheckedPrototypeTransitions(), and MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit().

int IndexInCodeCache ( Object *  name,
Code *  code 
)

Definition at line 7183 of file objects.cc.

References CodeCache::cast(), and CodeCache::GetIndex().

void init_back_pointer ( Object *  undefined)
inline

Definition at line 4922 of file objects-inl.h.

References ASSERT, Map::kTransitionsOrBackPointerOffset, and WRITE_FIELD.

Referenced by Heap::AllocateMap().

void InitializeDescriptors ( DescriptorArray *  descriptors)
inline

Definition at line 4744 of file objects-inl.h.

References DescriptorArray::number_of_descriptors(), and Map::SetNumberOfOwnDescriptors().

Referenced by Map::CopyAsElementsKind(), Map::ShareDescriptor(), and NameDictionary::TransformPropertiesToFastFor().

int InitialPropertiesLength ( )
inline

Definition at line 6281 of file objects.h.

Referenced by Heap::AllocateJSObjectFromMap().

int inobject_properties ( )
inline

Definition at line 3928 of file objects-inl.h.

References Map::kInObjectPropertiesOffset, and READ_BYTE_FIELD.

Referenced by Map::CopyDropDescriptors(), Map::EquivalentToForNormalization(), JSObject::FastPropertyAtPut(), Map::GetInObjectPropertyOffset(), JSObject::GetInternalFieldCount(), BASE_EMBEDDED< Visitor >::GetLocalFieldIndexFromMap(), Map::InstancesNeedRewriting(), JSObject::RawFastPropertyAt(), Heap::ReinitializeJSReceiver(), JSObject::TooManyFastProperties(), and NameDictionary::TransformPropertiesToFastFor().

int instance_size ( )
inline

Definition at line 3923 of file objects-inl.h.

References Map::kInstanceSizeOffset, v8::internal::kPointerSizeLog2, and READ_BYTE_FIELD.

Referenced by Heap::Allocate(), Heap::AllocateArgumentsObject(), Heap::AllocateJSFunctionProxy(), Heap::AllocateJSObjectFromMap(), Heap::AllocateJSProxy(), Heap::AllocateStruct(), Map::CopyDropDescriptors(), Heap::CopyJSObject(), JSObject::FastPropertyAtPut(), Map::GetInObjectPropertyOffset(), StaticVisitorBase::GetVisitorId(), JSObject::InitializeBody(), JSObject::RawFastPropertyAt(), Heap::ReinitializeJSReceiver(), HeapObject::SizeFromMap(), JSObject::BodyDescriptor::SizeOf(), and StructBodyDescriptor::SizeOf().

InstanceType instance_type ( )
inline

Definition at line 4012 of file objects-inl.h.

References Map::kInstanceTypeOffset, and READ_BYTE_FIELD.

Referenced by AccumulateStatsWithOperator(), Heap::Allocate(), Heap::AllocateJSObjectFromMap(), Heap::AllowedToBeMigrated(), FixedTypedArray< Traits >::cast(), ConsStringIteratorOp::ContinueOperation(), FixedTypedArrayBase::DataSize(), JSObject::GetHeaderSize(), StaticVisitorBase::GetVisitorId(), String::HasOnlyOneByteChars(), Heap::InternalizedStringMapForString(), ExternalString::is_short(), Object::IsFiller(), String::IsOneByteRepresentation(), String::IsOneByteRepresentationUnderneath(), String::IsTwoByteRepresentation(), String::IsTwoByteRepresentationUnderneath(), HeapObject::Iterate(), MarkCompactMarkingVisitor::ObjectStatsVisitBase(), TypeImpl< class >::OfCurrently(), Map::RawCopy(), NewSpace::RecordAllocation(), NewSpace::RecordPromotion(), Heap::RecordStats(), v8::internal::RUNTIME_FUNCTION(), Serializer::ObjectSerializer::Serialize(), Map::SetBackPointer(), HeapObject::SizeFromMap(), Heap::UpdateAllocationSiteFeedback(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitCode >::Visit(), and String::Visit().

bool InstancesNeedRewriting ( Map *  target,
int  target_number_of_fields,
int  target_inobject,
int  target_unused 
)

Definition at line 2313 of file objects.cc.

References ASSERT, DescriptorArray::GetDetails(), Map::inobject_properties(), Map::NumberOfFields(), and Map::NumberOfOwnDescriptors().

bool is_access_check_needed ( )
inline

Definition at line 4085 of file objects-inl.h.

References Map::bit_field(), and Map::kIsAccessCheckNeeded.

Referenced by v8::internal::RUNTIME_FUNCTION().

bool is_deprecated ( )
inline

Definition at line 4167 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by Map::DeprecateTransitionTree(), JSObject::JSObjectShortPrint(), and IC::TryRemoveInvalidPrototypeDependentStub().

bool is_dictionary_map ( )
inline

Definition at line 4132 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by Map::RawCopy().

bool is_extensible ( )
inline

Definition at line 4098 of file objects-inl.h.

References Map::bit_field2(), and Map::kIsExtensible.

Referenced by v8::internal::RUNTIME_FUNCTION().

bool is_frozen ( )
inline

Definition at line 4187 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

bool is_hidden_prototype ( )
inline

Definition at line 5889 of file objects.h.

Referenced by JSReceiver::LocalLookup(), v8::internal::RUNTIME_FUNCTION(), and JSObject::SetPrototype().

bool is_migration_target ( )
inline

Definition at line 4177 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

bool is_observed ( )
inline

Definition at line 5930 of file objects.h.

Referenced by v8::internal::RUNTIME_FUNCTION(), and KeyedStoreIC::Store().

bool is_shared ( )
inline

Definition at line 4121 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by JSObject::GetElementsTransitionMapSlow().

bool is_stable ( )
inline

Definition at line 4197 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by Map::CanOmitMapChecks(), and Map::NotifyLeafMapLayoutChange().

bool is_undetectable ( )
inline

Definition at line 5921 of file objects.h.

Referenced by v8::internal::RUNTIME_FUNCTION().

bool IsGlobalObjectMap ( )
inline

Definition at line 6372 of file objects.h.

References v8::internal::JS_BUILTINS_OBJECT_TYPE, and v8::internal::JS_GLOBAL_OBJECT_TYPE.

bool IsJSGlobalObjectMap ( )
inline

Definition at line 6369 of file objects.h.

References v8::internal::JS_GLOBAL_OBJECT_TYPE.

bool IsJSGlobalProxyMap ( )
inline

Definition at line 6366 of file objects.h.

References v8::internal::JS_GLOBAL_PROXY_TYPE.

bool IsJSObjectMap ( )
inline

Definition at line 6363 of file objects.h.

References v8::internal::FIRST_JS_OBJECT_TYPE.

Referenced by FunctionTemplateInfo::IsTemplateFor().

bool IsMapInArrayPrototypeChain ( )

Definition at line 3272 of file objects.cc.

References HeapObject::GetIsolate().

bool IsValidElementsTransition ( ElementsKind  from_kind,
ElementsKind  to_kind 
)
static

Definition at line 12848 of file objects.cc.

References v8::internal::IsFastHoleyElementsKind(), and v8::internal::IsMoreGeneralElementsKindTransition().

Referenced by v8::internal::TransitionElements().

int LastAdded ( )
inline

Definition at line 6168 of file objects.h.

References ASSERT.

Referenced by Map::CanBeDeprecated(), TransitionArray::GetKey(), Map::GetLastDescriptorDetails(), and v8::internal::RUNTIME_FUNCTION().

void LookupDescriptor ( JSObject *  holder,
Name *  name,
LookupResult *  result 
)
inline

Definition at line 2560 of file objects-inl.h.

References DescriptorArray::GetDetails(), and DescriptorArray::kNotFound.

Referenced by JSObject::LocalLookupRealNamedProperty().

Map * LookupElementsTransitionMap ( ElementsKind  elements_kind)

Definition at line 3265 of file objects.cc.

References Map::elements_kind(), and v8::internal::NULL.

Referenced by IC::IsTransitionOfMonomorphicTarget().

void LookupTransition ( JSObject *  holder,
Name *  name,
LookupResult *  result 
)
inline

Definition at line 2570 of file objects-inl.h.

References TransitionArray::GetTarget(), Map::HasTransitionArray(), TransitionArray::kNotFound, and TransitionArray::Search().

void mark_unstable ( )
inline

Definition at line 4192 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by Map::NotifyLeafMapLayoutChange().

int NextFreePropertyIndex ( )

Definition at line 5930 of file objects.cc.

References v8::internal::FIELD, DescriptorArray::GetFieldIndex(), DescriptorArray::GetType(), and Map::NumberOfOwnDescriptors().

void NotifyLeafMapLayoutChange ( )
inline

Definition at line 4221 of file objects-inl.h.

References v8::internal::dependent_code, HeapObject::GetIsolate(), Map::is_stable(), DependentCode::kPrototypeCheckGroup, and Map::mark_unstable().

Referenced by Map::CopyDropDescriptors(), and Map::DeprecateTransitionTree().

int NumberOfDescribedProperties ( DescriptorFlag  which = OWN_DESCRIPTORS,
PropertyAttributes  filter = NONE 
)

Definition at line 5913 of file objects.cc.

References v8::internal::ALL_DESCRIPTORS, DescriptorArray::GetDetails(), DescriptorArray::GetKey(), DescriptorArray::number_of_descriptors(), and Map::NumberOfOwnDescriptors().

Referenced by JSObject::NumberOfLocalProperties().

int NumberOfFields ( )

Definition at line 2479 of file objects.cc.

References v8::internal::FIELD, DescriptorArray::GetDetails(), and Map::NumberOfOwnDescriptors().

Referenced by Map::InstancesNeedRewriting().

int NumberOfOwnDescriptors ( )
inline

Definition at line 6174 of file objects.h.

Referenced by Map::AppendDescriptor(), Map::ClearNonLiveTransitions(), Map::Copy(), Map::CopyAddDescriptor(), Map::CopyReplaceDescriptor(), Map::CopyWithPreallocatedFieldDescriptors(), Map::CurrentMapForDeprecatedInternal(), Map::DeprecateTarget(), Map::FindAccessor(), JSObject::GetLocalPropertyNames(), Map::InstancesNeedRewriting(), StaticMarkingVisitor< StaticVisitor >::MarkMapContents(), Map::NextFreePropertyIndex(), Map::NumberOfDescribedProperties(), Map::NumberOfFields(), JSObject::NumberOfLocalProperties(), JSObject::PrintInstanceMigration(), StringStream::PrintUsingMap(), Map::ShareDescriptor(), and JSObject::SlowReverseLookup().

int NumberOfProtoTransitions ( )
inline

Definition at line 6137 of file objects.h.

References Smi::cast(), FixedArray::get(), FixedArrayBase::length(), and Smi::value().

Referenced by Map::SetPrototypeTransitions().

bool owns_descriptors ( )
inline

Definition at line 4147 of file objects-inl.h.

References Map::bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::decode().

Referenced by Map::CopyAddDescriptor(), Map::CopyAsElementsKind(), and MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitMap >::Visit().

int pre_allocated_property_fields ( )
inline

Definition at line 3933 of file objects-inl.h.

References Map::kPreAllocatedPropertyFieldsOffset, and READ_BYTE_FIELD.

Referenced by Map::CopyDropDescriptors(), Map::CopyWithPreallocatedFieldDescriptors(), and JSObject::InitializeBody().

void PrintGeneralization ( FILE *  file,
const char *  reason,
int  modify_index,
int  split,
int  descriptors,
bool  constant_to_field,
Representation  old_representation,
Representation  new_representation 
)

Definition at line 1556 of file objects.cc.

References String::cast(), Map::constructor_name(), HeapObject::GetIsolate(), Representation::Mnemonic(), v8::internal::PrintF(), String::PrintOn(), and JavaScriptFrame::PrintTop().

Handle< Map > PutPrototypeTransition ( Handle< Map >  map,
Handle< Object >  prototype,
Handle< Map >  target_map 
)
static

Definition at line 11434 of file objects.cc.

References ASSERT, CALL_AND_RETRY_OR_DIE, HeapObject::cast(), Factory::CopySizeFixedArray(), Map::kMaxCachedPrototypeTransitions, Map::kProtoTransitionElementsPerEntry, Map::kProtoTransitionHeaderSize, Map::kProtoTransitionMapOffset, Map::kProtoTransitionPrototypeOffset, and HeapObject::map().

Referenced by JSObject::SetPrototype().

Handle< Map > RawCopy ( Handle< Map >  map,
int  instance_size 
)
static

Definition at line 6652 of file objects.cc.

References CALL_HEAP_FUNCTION.

Referenced by Map::CopyDropDescriptors(), and Map::CopyNormalized().

MaybeObject * RawCopy ( int  instance_size)

Definition at line 6660 of file objects.cc.

References Heap::AllocateMap(), Map::bit_field(), Map::bit_field2(), Map::bit_field3(), HeapObject::GetHeap(), Map::instance_type(), Map::is_dictionary_map(), Map::set_bit_field(), Map::set_bit_field2(), Map::set_bit_field3(), BitFieldBase< int, shift, size, uint32_t >::update(), and BitFieldBase< bool, shift, size, uint32_t >::update().

void RemoveFromCodeCache ( Name *  name,
Code *  code,
int  index 
)

Definition at line 7192 of file objects.cc.

References ASSERT, CodeCache::cast(), and CodeCache::RemoveByIndex().

Cell* RetrieveDescriptorsPointer ( )
inline
void set_attached_to_shared_function_info ( bool  value)
inline

Definition at line 4103 of file objects-inl.h.

References Map::bit_field2(), Map::kAttachedToSharedFunctionInfo, and Map::set_bit_field2().

void set_bit_field ( byte  value)
inline

Definition at line 4037 of file objects-inl.h.

References Map::kBitFieldOffset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap(), Map::RawCopy(), Map::set_is_access_check_needed(), and Map::set_non_instance_prototype().

void set_bit_field2 ( byte  value)
inline

Definition at line 4047 of file objects-inl.h.

References Map::kBitField2Offset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap(), SharedFunctionInfo::AttachInitialMap(), SharedFunctionInfo::DetachInitialMap(), Map::RawCopy(), Map::set_attached_to_shared_function_info(), and Map::set_is_extensible().

void set_bit_field3 ( uint32_t  bits)
inline

Definition at line 4754 of file objects-inl.h.

References Smi::FromInt(), and WRITE_FIELD.

Referenced by Heap::AllocateMap(), Map::deprecate(), Map::freeze(), Map::mark_unstable(), Map::RawCopy(), Map::set_dictionary_map(), Map::set_function_with_prototype(), Map::set_has_instance_call_handler(), Map::set_is_shared(), Map::set_migration_target(), and Map::set_owns_descriptors().

void set_dictionary_map ( bool  value)
inline

Definition at line 4125 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by NameDictionary::TransformPropertiesToFastFor().

void set_elements_kind ( ElementsKind  elements_kind)
inline

Definition at line 5937 of file objects.h.

References ASSERT, and v8::internal::kElementsKindCount.

Referenced by Heap::AllocateMap(), Map::CopyAsElementsKind(), and Heap::CreateApiObjects().

MaybeObject * set_elements_transition_map ( Map *  transitioned_map)
inline

Definition at line 4845 of file objects-inl.h.

References Map::AddTransition(), v8::internal::FULL_TRANSITION, and HeapObject::GetHeap().

Referenced by Map::CopyAsElementsKind().

void set_function_with_prototype ( bool  value)
inline

Definition at line 4066 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by Heap::ReinitializeJSReceiver().

void set_has_indexed_interceptor ( )
inline

Definition at line 5903 of file objects.h.

void set_has_instance_call_handler ( )
inline

Definition at line 4152 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

void set_has_named_interceptor ( )
inline

Definition at line 5894 of file objects.h.

void set_inobject_properties ( int  value)
inline

Definition at line 3998 of file objects-inl.h.

References ASSERT, Map::kInObjectPropertiesOffset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap(), and Map::CopyDropDescriptors().

void set_instance_size ( int  value)
inline

Definition at line 3990 of file objects-inl.h.

References ASSERT, ASSERT_EQ, Map::kInstanceSizeOffset, v8::internal::kPointerSize, v8::internal::kPointerSizeLog2, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap().

void set_instance_type ( InstanceType  value)
inline

Definition at line 4017 of file objects-inl.h.

References Map::kInstanceTypeOffset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap().

void set_is_access_check_needed ( bool  access_check_needed)
inline

Definition at line 4076 of file objects-inl.h.

References Map::bit_field(), Map::kIsAccessCheckNeeded, and Map::set_bit_field().

Referenced by v8::internal::RUNTIME_FUNCTION().

void set_is_extensible ( bool  value)
inline

Definition at line 4090 of file objects-inl.h.

References Map::bit_field2(), Map::kIsExtensible, and Map::set_bit_field2().

void set_is_hidden_prototype ( )
inline

Definition at line 5885 of file objects.h.

void set_is_observed ( )
inline

Definition at line 5926 of file objects.h.

void set_is_shared ( bool  value)
inline

Definition at line 4116 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by Map::CopyDropDescriptors().

void set_is_undetectable ( )
inline

Definition at line 5917 of file objects.h.

void set_migration_target ( bool  value)
inline

Definition at line 4172 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

void set_non_instance_prototype ( bool  value)
inline

Definition at line 4052 of file objects-inl.h.

References Map::bit_field(), Map::kHasNonInstancePrototype, and Map::set_bit_field().

void set_owns_descriptors ( bool  is_shared)
inline

Definition at line 4142 of file objects-inl.h.

References Map::bit_field3(), Map::set_bit_field3(), and BitFieldBase< bool, shift, size, uint32_t >::update().

Referenced by Map::ClearNonLiveTransitions(), Map::CopyAsElementsKind(), Map::DeprecateTarget(), and Map::ShareDescriptor().

void set_pre_allocated_property_fields ( int  value)
inline

Definition at line 4004 of file objects-inl.h.

References ASSERT, Map::kPreAllocatedPropertyFieldsOffset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap(), and Map::CopyDropDescriptors().

void set_unused_property_fields ( int  value)
inline

Definition at line 4027 of file objects-inl.h.

References Map::kUnusedPropertyFieldsOffset, v8::internal::Min(), and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap(), Map::CopyDropDescriptors(), and NameDictionary::TransformPropertiesToFastFor().

void set_visitor_id ( int  visitor_id)
inline

Definition at line 3917 of file objects-inl.h.

References ASSERT, Map::kVisitorIdOffset, and WRITE_BYTE_FIELD.

Referenced by Heap::AllocateMap().

void SetBackPointer ( Object *  value,
WriteBarrierMode  mode = UPDATE_WRITE_BARRIER 
)
inline

Definition at line 4928 of file objects-inl.h.

References ASSERT, TransitionArray::cast(), CONDITIONAL_WRITE_BARRIER, v8::internal::FIRST_JS_RECEIVER_TYPE, Map::GetBackPointer(), HeapObject::GetHeap(), Map::instance_type(), Map::kTransitionsOrBackPointerOffset, READ_FIELD, TransitionArray::set_back_pointer_storage(), and WRITE_FIELD.

Referenced by Map::CopyAsElementsKind(), and Map::ShareDescriptor().

void SetEnumLength ( int  length)
inline

Definition at line 6189 of file objects.h.

References ASSERT.

Referenced by Map::DeprecateTarget().

void SetNumberOfOwnDescriptors ( int  number)
inline

Definition at line 6178 of file objects.h.

References ASSERT.

Referenced by Map::AppendDescriptor(), and Map::InitializeDescriptors().

void SetNumberOfProtoTransitions ( int  value)
inline

Definition at line 6144 of file objects.h.

References ASSERT, Smi::FromInt(), FixedArrayBase::length(), and FixedArray::set().

Referenced by Map::SetPrototypeTransitions().

MaybeObject * SetPrototypeTransitions ( FixedArray *  prototype_transitions)
inline

Definition at line 4866 of file objects-inl.h.

References ASSERT, Map::GetPrototypeTransitions(), Map::HasPrototypeTransitions(), Map::NumberOfProtoTransitions(), Map::SetNumberOfProtoTransitions(), and Map::ZapPrototypeTransitions().

void SetTransition ( int  transition_index,
Map *  target 
)
inline

Definition at line 4835 of file objects-inl.h.

MaybeObject * ShareDescriptor ( DescriptorArray *  descriptors,
Descriptor *  descriptor 
)

Definition at line 6734 of file objects.cc.

References Map::AddTransition(), DescriptorArray::Allocate(), DescriptorArray::Append(), ASSERT, Map::cast(), Map::CopyDropDescriptors(), DescriptorArray::CopyEnumCacheFrom(), DescriptorArray::CopyFrom(), Map::GetBackPointer(), HeapObject::GetHeap(), HeapObject::GetIsolate(), DescriptorArray::HasEnumCache(), Heap::incremental_marking(), Map::InitializeDescriptors(), HeapObject::map(), DescriptorArray::number_of_descriptors(), Map::NumberOfOwnDescriptors(), DescriptorArray::NumberOfSlackDescriptors(), IncrementalMarking::RecordWrites(), Map::set_owns_descriptors(), Map::SetBackPointer(), and v8::internal::SIMPLE_TRANSITION.

Referenced by Map::CopyAddDescriptor().

STATIC_ASSERT ( kDescriptorIndexBitCount+  kDescriptorIndexBitCount = =20)
STATIC_CHECK ( kInstanceTypeOffset  = =Internals::kMapInstanceTypeOffset)
void TraverseTransitionTree ( TraverseCallback  callback,
void *  data 
)

Definition at line 7370 of file objects.cc.

References TraversableMap::ChildIteratorNext(), TraversableMap::ChildIteratorStart(), TraversableMap::GetAndResetParent(), v8::internal::NULL, and TraversableMap::SetParent().

Referenced by SharedFunctionInfo::CompleteInobjectSlackTracking().

TransitionArray * unchecked_transition_array ( )
inline

Definition at line 4945 of file objects-inl.h.

References Map::kTransitionsOrBackPointerOffset, and HeapObject::RawField().

Referenced by TraversableMap::ChildIteratorNext(), StaticMarkingVisitor< StaticVisitor >::MarkMapContents(), and Map::UncheckedPrototypeTransitions().

HeapObject * UncheckedPrototypeTransitions ( )
inline

Definition at line 4953 of file objects-inl.h.

References ASSERT, Map::HasPrototypeTransitions(), Map::HasTransitionArray(), Map::unchecked_transition_array(), and TransitionArray::UncheckedPrototypeTransitions().

int unused_property_fields ( )
inline

Definition at line 4022 of file objects-inl.h.

References Map::kUnusedPropertyFieldsOffset, and READ_BYTE_FIELD.

Referenced by SharedFunctionInfo::CompleteInobjectSlackTracking(), Map::CopyDropDescriptors(), Heap::ReinitializeJSReceiver(), v8::internal::RUNTIME_FUNCTION(), SharedFunctionInfo::StartInobjectSlackTracking(), and JSObject::TooManyFastProperties().

void UpdateCodeCache ( Handle< Map >  map,
Handle< Name >  name,
Handle< Code >  code 
)
static

Definition at line 7149 of file objects.cc.

References CALL_HEAP_FUNCTION_VOID.

Referenced by HeapObject::UpdateMapCodeCache().

MaybeObject * UpdateCodeCache ( Name *  name,
Code *  code 
)

Definition at line 7158 of file objects.cc.

References Heap::AllocateCodeCache(), CodeCache::cast(), HeapObject::GetHeap(), and CodeCache::Update().

int visitor_id ( )
inline

Definition at line 3912 of file objects-inl.h.

References Map::kVisitorIdOffset, and READ_BYTE_FIELD.

Referenced by VisitorDispatchTable< ScavengingCallback >::GetVisitor().

void ZapPrototypeTransitions ( )

Definition at line 11487 of file objects.cc.

References FixedArray::data_start(), HeapObject::GetHeap(), Map::GetPrototypeTransitions(), FixedArrayBase::length(), and v8::internal::MemsetPointer().

Referenced by Map::SetPrototypeTransitions().

void ZapTransitions ( )

Definition at line 11474 of file objects.cc.

References FixedArray::data_start(), HeapObject::GetHeap(), and FixedArrayBase::length().

Referenced by Map::ClearTransitions().

Field Documentation

const int kAttachedToSharedFunctionInfo = 2
static

Definition at line 6479 of file objects.h.

Referenced by Map::attached_to_shared_function_info(), SharedFunctionInfo::AttachInitialMap(), SharedFunctionInfo::DetachInitialMap(), and Map::set_attached_to_shared_function_info().

const int kBitField2Offset = kInstanceAttributesOffset + 3
static

Definition at line 6462 of file objects.h.

Referenced by Map::bit_field2(), and Map::set_bit_field2().

const int kBitField3Offset = kDependentCodeOffset + kPointerSize
static

Definition at line 6439 of file objects.h.

Referenced by Map::bit_field3().

const int kBitFieldOffset = kInstanceAttributesOffset + 2
static

Definition at line 6461 of file objects.h.

Referenced by Map::bit_field(), and Map::set_bit_field().

const int kCodeCacheOffset = kDescriptorsOffset + kPointerSize
static

Definition at line 6437 of file objects.h.

Referenced by Map::ClearCodeCache(), and NormalizedMapCache::Get().

const int kConstructorOffset = kPrototypeOffset + kPointerSize
static

Definition at line 6428 of file objects.h.

const int kDependentCodeOffset = kCodeCacheOffset + kPointerSize
static

Definition at line 6438 of file objects.h.

Referenced by NormalizedMapCache::Get(), and StaticMarkingVisitor< StaticVisitor >::MarkMapContents().

const int kDescriptorsOffset
static
Initial value:
=
kTransitionsOrBackPointerOffset + kPointerSize

Definition at line 6435 of file objects.h.

const int kElementsKindBitCount = 5
static

Definition at line 6483 of file objects.h.

const int kElementsKindMask
static
Initial value:
= (-1 << kElementsKindShift) &
((1 << (kElementsKindShift + kElementsKindBitCount)) - 1)

Definition at line 6486 of file objects.h.

const int kElementsKindShift = 3
static

Definition at line 6482 of file objects.h.

const int kHasIndexedInterceptor = 4
static

Definition at line 6471 of file objects.h.

const int kHasNamedInterceptor = 3
static

Definition at line 6470 of file objects.h.

const int kHasNonInstancePrototype = 1
static

Definition at line 6468 of file objects.h.

Referenced by Map::has_non_instance_prototype(), and Map::set_non_instance_prototype().

const int kInObjectPropertiesByte = 1
static

Definition at line 6449 of file objects.h.

const int kInObjectPropertiesOffset
static
Initial value:
=
kInstanceSizesOffset + kInObjectPropertiesByte

Definition at line 6450 of file objects.h.

Referenced by Map::inobject_properties(), and Map::set_inobject_properties().

const int kInstanceAttributesOffset = kInstanceSizesOffset + kIntSize
static

Definition at line 6426 of file objects.h.

const int kInstanceSizeOffset = kInstanceSizesOffset + 0
static

Definition at line 6448 of file objects.h.

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::ForMapInstanceSize(), Map::instance_size(), and Map::set_instance_size().

const int kInstanceSizesOffset = HeapObject::kHeaderSize
static

Definition at line 6425 of file objects.h.

const int kInstanceTypeOffset = kInstanceAttributesOffset + 0
static

Definition at line 6459 of file objects.h.

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::ForMapInstanceType(), Map::instance_type(), MacroAssembler::IsInstanceJSObjectType(), MacroAssembler::IsObjectJSStringType(), MacroAssembler::IsObjectStringType(), and Map::set_instance_type().

const int kIsAccessCheckNeeded = 7
static

Definition at line 6474 of file objects.h.

Referenced by Map::is_access_check_needed(), and Map::set_is_access_check_needed().

const int kIsExtensible = 0
static

Definition at line 6477 of file objects.h.

Referenced by Heap::AllocateMap(), Map::is_extensible(), and Map::set_is_extensible().

const int kIsHiddenPrototype = 2
static

Definition at line 6469 of file objects.h.

const int kIsObserved = 6
static

Definition at line 6473 of file objects.h.

const int kIsUndetectable = 5
static

Definition at line 6472 of file objects.h.

const int kMaxCachedPrototypeTransitions = 256
static

Definition at line 6415 of file objects.h.

Referenced by Map::PutPrototypeTransition().

const int8_t kMaximumBitField2FastElementValue
static
Initial value:
= static_cast<int8_t>(
(FAST_ELEMENTS + 1) << Map::kElementsKindShift) - 1

Definition at line 6488 of file objects.h.

const int8_t kMaximumBitField2FastHoleyElementValue
static
Initial value:
=
static_cast<int8_t>((FAST_HOLEY_ELEMENTS + 1) <<
Map::kElementsKindShift) - 1

Definition at line 6493 of file objects.h.

const int8_t kMaximumBitField2FastHoleySmiElementValue
static
Initial value:
=
static_cast<int8_t>((FAST_HOLEY_SMI_ELEMENTS + 1) <<
Map::kElementsKindShift) - 1

Definition at line 6496 of file objects.h.

const int8_t kMaximumBitField2FastSmiElementValue
static
Initial value:
=
static_cast<int8_t>((FAST_SMI_ELEMENTS + 1) <<
Map::kElementsKindShift) - 1

Definition at line 6490 of file objects.h.

const int kMaxPreAllocatedPropertyFields = 255
static

Definition at line 6422 of file objects.h.

const int kPointerFieldsBeginOffset = Map::kPrototypeOffset
static

Definition at line 6444 of file objects.h.

Referenced by StaticMarkingVisitor< StaticVisitor >::MarkMapContents().

const int kPointerFieldsEndOffset = kBitField3Offset + kPointerSize
static

Definition at line 6445 of file objects.h.

Referenced by StaticMarkingVisitor< StaticVisitor >::MarkMapContents().

const int kPreAllocatedPropertyFieldsByte = 2
static

Definition at line 6452 of file objects.h.

const int kPreAllocatedPropertyFieldsOffset
static
Initial value:
=
kInstanceSizesOffset + kPreAllocatedPropertyFieldsByte

Definition at line 6453 of file objects.h.

Referenced by Map::pre_allocated_property_fields(), and Map::set_pre_allocated_property_fields().

const int kProtoTransitionElementsPerEntry = 2
static

Definition at line 6133 of file objects.h.

Referenced by Map::GetPrototypeTransition(), Map::PutPrototypeTransition(), and TEST().

const int kProtoTransitionHeaderSize = 1
static

Definition at line 6131 of file objects.h.

Referenced by Map::GetPrototypeTransition(), Map::PutPrototypeTransition(), and TEST().

const int kProtoTransitionMapOffset = 1
static

Definition at line 6135 of file objects.h.

Referenced by Map::GetPrototypeTransition(), Map::PutPrototypeTransition(), and TEST().

const int kProtoTransitionNumberOfEntriesOffset = 0
static

Definition at line 6132 of file objects.h.

const int kProtoTransitionPrototypeOffset = 0
static

Definition at line 6134 of file objects.h.

Referenced by Map::GetPrototypeTransition(), Map::PutPrototypeTransition(), and TEST().

const int kPrototypeOffset = kInstanceAttributesOffset + kIntSize
static

Definition at line 6427 of file objects.h.

const int kSize = kBitField3Offset + kPointerSize
static

Definition at line 6440 of file objects.h.

Referenced by Heap::AllocateMap(), Heap::AllocatePartialMap(), NormalizedMapCache::Get(), MapSpace::RoundSizeDownToObjectAlignment(), and TEST().

const int kStringWrapperSafeForDefaultValueOf = 1
static

Definition at line 6478 of file objects.h.

const int kTransitionsOrBackPointerOffset
static
Initial value:
=
kConstructorOffset + kPointerSize

Definition at line 6433 of file objects.h.

Referenced by Map::ClearTransitions(), Map::GetBackPointer(), Map::HasTransitionArray(), Map::init_back_pointer(), Map::SetBackPointer(), and Map::unchecked_transition_array().

const int kUnused = 0
static

Definition at line 6467 of file objects.h.

const int kUnusedPropertyFieldsOffset = kInstanceAttributesOffset + 1
static

Definition at line 6460 of file objects.h.

Referenced by Map::set_unused_property_fields(), and Map::unused_property_fields().

const int kVisitorIdByte = 3
static

Definition at line 6455 of file objects.h.

const int kVisitorIdOffset = kInstanceSizesOffset + kVisitorIdByte
static

Definition at line 6456 of file objects.h.

Referenced by Map::set_visitor_id(), and Map::visitor_id().

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