V8 API Reference, 7.2.502.16 (for Deno 0.2.4)
Public Types | Public Member Functions | Static Public Member Functions | Public Attributes | Static Public Attributes | List of all members
v8::internal::DescriptorArray Class Reference
Inheritance diagram for v8::internal::DescriptorArray:
v8::internal::HeapObject v8::internal::Object

Public Types

typedef FlexibleWeakBodyDescriptor< kPointersStartOffset > BodyDescriptor
 
- Public Types inherited from v8::internal::Object
enum  Conversion { kToNumber, kToNumeric }
 

Public Member Functions

int16_t number_of_slack_descriptors () const
 
int number_of_entries () const
 
void ClearEnumCache ()
 
void CopyEnumCacheFrom (DescriptorArray *array)
 
Name GetKey (int descriptor_number)
 
Object * GetStrongValue (int descriptor_number)
 
void SetValue (int descriptor_number, Object *value)
 
MaybeObject GetValue (int descriptor_number)
 
PropertyDetails GetDetails (int descriptor_number)
 
int GetFieldIndex (int descriptor_number)
 
FieldType GetFieldType (int descriptor_number)
 
Name GetSortedKey (int descriptor_number)
 
int GetSortedKeyIndex (int descriptor_number)
 
void SetSortedKey (int pointer, int descriptor_number)
 
void Set (int descriptor_number, Descriptor *desc)
 
void Set (int descriptor_number, Name key, MaybeObject value, PropertyDetails details)
 
void Replace (int descriptor_number, Descriptor *descriptor)
 
void GeneralizeAllFields ()
 
void Append (Descriptor *desc)
 
void Sort ()
 
V8_INLINE int Search (Name name, int number_of_own_descriptors)
 
V8_INLINE int Search (Name name, Map map)
 
V8_INLINE int SearchWithCache (Isolate *isolate, Name name, Map map)
 
bool IsEqualUpTo (DescriptorArray *desc, int nof_descriptors)
 
void Initialize (EnumCache *enum_cache, HeapObject *undefined_value, int nof_descriptors, int slack)
 
 DEFINE_FIELD_OFFSET_CONSTANTS (HeapObject::kHeaderSize, DESCRIPTOR_ARRAY_FIELDS) STATIC_ASSERT(IsAligned(kPointersStartOffset
 
 STATIC_ASSERT (IsAligned(kHeaderSize, kTaggedSize))
 
ObjectSlot GetFirstPointerSlot ()
 
ObjectSlot GetDescriptorSlot (int descriptor)
 
ObjectSlot GetKeySlot (int descriptor)
 
MaybeObjectSlot GetValueSlot (int descriptor)
 
void PrintDescriptors (std::ostream &os)
 
void PrintDescriptorDetails (std::ostream &os, int descriptor, PropertyDetails::PrintMode mode)
 
- Public Member Functions inherited from v8::internal::HeapObject
Map map () const
 
void set_map (Map value)
 
ObjectSlot map_slot ()
 
void set_map_no_write_barrier (Map value)
 
Map synchronized_map () const
 
MapWord synchronized_map_word () const
 
void synchronized_set_map (Map value)
 
void synchronized_set_map_word (MapWord map_word)
 
void set_map_after_allocation (Map value, WriteBarrierMode mode=UPDATE_WRITE_BARRIER)
 
MapWord map_word () const
 
void set_map_word (MapWord map_word)
 
ReadOnlyRoots GetReadOnlyRoots () const
 
V8_INLINE bool IsExternal (Isolate *isolate) const
 
V8_INLINE bool IsNullOrUndefined (Isolate *isolate) const
 
V8_INLINE bool IsNullOrUndefined (ReadOnlyRoots roots) const
 
V8_INLINE bool IsNullOrUndefined () const
 
Address address () const
 
void Iterate (ObjectVisitor *v)
 
template<typename ObjectVisitor >
void IterateFast (ObjectVisitor *v)
 
void IterateBody (ObjectVisitor *v)
 
void IterateBody (Map map, int object_size, ObjectVisitor *v)
 
template<typename ObjectVisitor >
void IterateBodyFast (ObjectVisitor *v)
 
template<typename ObjectVisitor >
void IterateBodyFast (Map map, int object_size, ObjectVisitor *v)
 
bool IsValidSlot (Map map, int offset)
 
int Size () const
 
int SizeFromMap (Map map) const
 
ObjectSlot RawField (int byte_offset) const
 
MaybeObjectSlot RawMaybeWeakField (int byte_offset) const
 
WriteBarrierMode GetWriteBarrierMode (const DisallowHeapAllocation &promise)
 
void HeapObjectShortPrint (std::ostream &os)
 
bool NeedsRehashing () const
 
bool CanBeRehashed () const
 
void RehashBasedOnMap (Isolate *isolate)
 
 STATIC_ASSERT (kMapOffset==Internals::kHeapObjectMapOffset)
 
Address GetFieldAddress (int field_offset) const
 
- Public Member Functions inherited from v8::internal::Object
bool IsObject () const
 
Address ptr () const
 
V8_INLINE bool IsExternal (Isolate *isolate) const
 
V8_INLINE bool IsNullOrUndefined (Isolate *isolate) const
 
V8_INLINE bool IsNullOrUndefined (ReadOnlyRoots roots) const
 
V8_INLINE bool IsNullOrUndefined () const
 
V8_INLINE bool IsSmallOrderedHashTable () const
 
double Number () const
 
V8_INLINE bool IsNaN () const
 
V8_INLINE bool IsMinusZero () const
 
V8_EXPORT_PRIVATE bool ToInt32 (int32_t *value)
 
bool ToUint32 (uint32_t *value) const
 
Representation OptimalRepresentation ()
 
ElementsKind OptimalElementsKind ()
 
bool FitsRepresentation (Representation representation)
 
bool KeyEquals (Object *other)
 
bool FilterKey (PropertyFilter filter)
 
Handle< FieldType > OptimalType (Isolate *isolate, Representation representation)
 
bool HasValidElements ()
 
bool BooleanValue (Isolate *isolate)
 
bool StrictEquals (Object *that)
 
Object * GetHash ()
 
Smi GetOrCreateHash (Isolate *isolate)
 
V8_EXPORT_PRIVATE bool SameValue (Object *other)
 
bool SameValueZero (Object *other)
 
bool ToArrayLength (uint32_t *index) const
 
V8_WARN_UNUSED_RESULT bool ToArrayIndex (uint32_t *index) const
 
bool IterationHasObservableEffects ()
 
void VerifyApiCallResultType ()
 
void ShortPrint (FILE *out=stdout)
 
void ShortPrint (StringStream *accumulator)
 
void ShortPrint (std::ostream &os)
 
void Print ()
 
void Print (std::ostream &os)
 

Static Public Member Functions

static void InitializeOrChangeEnumCache (Handle< DescriptorArray > descriptors, Isolate *isolate, Handle< FixedArray > keys, Handle< FixedArray > indices)
 
static Handle< DescriptorArray > CopyUpTo (Isolate *isolate, Handle< DescriptorArray > desc, int enumeration_index, int slack=0)
 
static Handle< DescriptorArray > CopyUpToAddAttributes (Isolate *isolate, Handle< DescriptorArray > desc, int enumeration_index, PropertyAttributes attributes, int slack=0)
 
static Handle< DescriptorArray > CopyForFastObjectClone (Isolate *isolate, Handle< DescriptorArray > desc, int enumeration_index, int slack=0)
 
static Handle< DescriptorArray > Allocate (Isolate *isolate, int nof_descriptors, int slack)
 
static constexpr int SizeFor (int number_of_all_descriptors)
 
static constexpr int OffsetOfDescriptorAt (int descriptor)
 
static constexpr int ToDetailsIndex (int descriptor_number)
 
static constexpr int ToKeyIndex (int descriptor_number)
 
static constexpr int ToValueIndex (int descriptor_number)
 
- Static Public Member Functions inherited from v8::internal::HeapObject
static HeapObject * FromAddress (Address address)
 
static ObjectSlot RawField (const HeapObject *obj, int offset)
 
static MaybeObjectSlot RawMaybeWeakField (HeapObject *obj, int offset)
 
static AllocationAlignment RequiredAlignment (Map map)
 
- Static Public Member Functions inherited from v8::internal::Object
V8_INLINE static V8_WARN_UNUSED_RESULT Maybe< bool > IsArray (Handle< Object > object)
 
static Handle< Object > NewStorageFor (Isolate *isolate, Handle< Object > object, Representation representation)
 
static Handle< Object > WrapForRead (Isolate *isolate, Handle< Object > object, Representation representation)
 
static V8_WARN_UNUSED_RESULT Maybe< ComparisonResult > Compare (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > Equals (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< JSReceiver > ToObject (Isolate *isolate, Handle< Object > object, const char *method_name=nullptr)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< JSReceiver > ToObject (Isolate *isolate, Handle< Object > object, Handle< Context > native_context, const char *method_name=nullptr)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< JSReceiver > ConvertReceiver (Isolate *isolate, Handle< Object > object)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Name > ToName (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToPrimitive (Handle< Object > input, ToPrimitiveHint hint=ToPrimitiveHint::kDefault)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToNumber (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToNumeric (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToInteger (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToInt32 (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToUint32 (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< String > ToString (Isolate *isolate, Handle< Object > input)
 
static Handle< String > NoSideEffectsToString (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToPropertyKey (Isolate *isolate, Handle< Object > value)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToLength (Isolate *isolate, Handle< Object > input)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ToIndex (Isolate *isolate, Handle< Object > input, MessageTemplate error_index)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetMethod (Handle< JSReceiver > receiver, Handle< Name > name)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< FixedArray > CreateListFromArrayLike (Isolate *isolate, Handle< Object > object, ElementTypes element_types)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetLengthFromArrayLike (Isolate *isolate, Handle< JSReceiver > object)
 
static Handle< String > TypeOf (Isolate *isolate, Handle< Object > object)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > Add (Isolate *isolate, Handle< Object > lhs, Handle< Object > rhs)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > GreaterThan (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > GreaterThanOrEqual (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > LessThan (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > LessThanOrEqual (Isolate *isolate, Handle< Object > x, Handle< Object > y)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > OrdinaryHasInstance (Isolate *isolate, Handle< Object > callable, Handle< Object > object)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > InstanceOf (Isolate *isolate, Handle< Object > object, Handle< Object > callable)
 
V8_EXPORT_PRIVATE static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetProperty (LookupIterator *it, OnNonExistent on_non_existent=OnNonExistent::kReturnUndefined)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > SetProperty (LookupIterator *it, Handle< Object > value, LanguageMode language_mode, StoreOrigin store_origin)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > SetProperty (Isolate *isolate, Handle< Object > object, Handle< Name > name, Handle< Object > value, LanguageMode language_mode, StoreOrigin store_origin=StoreOrigin::kMaybeKeyed)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > SetPropertyOrElement (Isolate *isolate, Handle< Object > object, Handle< Name > name, Handle< Object > value, LanguageMode language_mode, StoreOrigin store_origin=StoreOrigin::kMaybeKeyed)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > SetSuperProperty (LookupIterator *it, Handle< Object > value, LanguageMode language_mode, StoreOrigin store_origin)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > CannotCreateProperty (Isolate *isolate, Handle< Object > receiver, Handle< Object > name, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > WriteToReadOnlyProperty (LookupIterator *it, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > WriteToReadOnlyProperty (Isolate *isolate, Handle< Object > receiver, Handle< Object > name, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > RedefineIncompatibleProperty (Isolate *isolate, Handle< Object > name, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > SetDataProperty (LookupIterator *it, Handle< Object > value)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > AddDataProperty (LookupIterator *it, Handle< Object > value, PropertyAttributes attributes, ShouldThrow should_throw, StoreOrigin store_origin)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetPropertyOrElement (Isolate *isolate, Handle< Object > object, Handle< Name > name)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetPropertyOrElement (Handle< Object > receiver, Handle< Name > name, Handle< JSReceiver > holder)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetProperty (Isolate *isolate, Handle< Object > object, Handle< Name > name)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetPropertyWithAccessor (LookupIterator *it)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > SetPropertyWithAccessor (LookupIterator *it, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetPropertyWithDefinedGetter (Handle< Object > receiver, Handle< JSReceiver > getter)
 
static V8_WARN_UNUSED_RESULT Maybe< bool > SetPropertyWithDefinedSetter (Handle< Object > receiver, Handle< JSReceiver > setter, Handle< Object > value, ShouldThrow should_throw)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > GetElement (Isolate *isolate, Handle< Object > object, uint32_t index)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > SetElement (Isolate *isolate, Handle< Object > object, uint32_t index, Handle< Object > value, LanguageMode language_mode)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > ArraySpeciesConstructor (Isolate *isolate, Handle< Object > original_array)
 
static V8_WARN_UNUSED_RESULT MaybeHandle< Object > SpeciesConstructor (Isolate *isolate, Handle< JSReceiver > recv, Handle< JSFunction > default_ctor)
 

Public Attributes

 kTaggedSize
 

Static Public Attributes

static const int kNotFound = -1
 
static const int kEntryKeyIndex = 0
 
static const int kEntryDetailsIndex = 1
 
static const int kEntryValueIndex = 2
 
static const int kEntrySize = 3
 
- Static Public Attributes inherited from v8::internal::HeapObject
static const int kMapOffset = Object::kHeaderSize
 
static const int kHeaderSize = kMapOffset + kPointerSize
 
- Static Public Attributes inherited from v8::internal::Object
static const int kHeaderSize = 0
 

Detailed Description

Definition at line 56 of file descriptor-array.h.

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