#include <objects.h>

Inheritance diagram for v8::internal::Name:

Collaboration diagram for v8::internal::Name:

Classes
class	ArrayIndexLengthBits

class	ArrayIndexValueBits

Public Member Functions
uint32_t	hash_field ()

void	set_hash_field (uint32_t value)

bool	HasHashCode ()

uint32_t	Hash ()

bool	Equals (Name *other)

bool	AsArrayIndex (uint32_t *index)

bool	IsOwn ()

	STATIC_ASSERT ((kArrayIndexLengthBits > 0))

	STATIC_ASSERT (IS_POWER_OF_TWO(kMaxCachedArrayIndexLength+1))

Public Member Functions inherited from v8::internal::HeapObject
Map *	map () const

void	set_map (Map *value)

void	set_map_no_write_barrier (Map *value)

Map *	synchronized_map ()

MapWord	synchronized_map_word () const

void	synchronized_set_map (Map *value)

void	synchronized_set_map_no_write_barrier (Map *value)

void	synchronized_set_map_word (MapWord map_word)

MapWord	map_word () const

void	set_map_word (MapWord map_word)

Heap *	GetHeap () const

Isolate *	GetIsolate () const

Address	address ()

void	Iterate (ObjectVisitor *v)

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

int	Size ()

bool	MayContainRawValues ()

int	SizeFromMap (Map *map)

WriteBarrierMode	GetWriteBarrierMode (const DisallowHeapAllocation &promise)

void	HeapObjectShortPrint (OStream &os)

	STATIC_ASSERT (kMapOffset==Internals::kHeapObjectMapOffset)

Public Member Functions inherited from v8::internal::Object
bool	IsObject () const

	INLINE (bool IsFixedArrayBase() const)

	INLINE (bool IsExternal() const)

	INLINE (bool IsAccessorInfo() const)

	INLINE (bool IsStruct() const)

	INLINE (bool IsSpecObject()) const

	INLINE (bool IsSpecFunction()) const

	INLINE (bool IsTemplateInfo()) const

	INLINE (bool IsNameDictionary() const)

	INLINE (bool IsSeededNumberDictionary() const)

	INLINE (bool IsUnseededNumberDictionary() const)

	INLINE (bool IsOrderedHashSet() const)

	INLINE (bool IsOrderedHashMap() const)

bool	IsCallable () const

	INLINE (bool IsUndefined() const)

	INLINE (bool IsNull() const)

	INLINE (bool IsTheHole() const)

	INLINE (bool IsException() const)

	INLINE (bool IsUninitialized() const)

	INLINE (bool IsTrue() const)

	INLINE (bool IsFalse() const)

	INLINE (bool IsArgumentsMarker() const)

	INLINE (bool IsFiller() const)

double	Number ()

	INLINE (bool IsNaN() const)

	INLINE (bool IsMinusZero() const)

bool	ToInt32 (int32_t *value)

bool	ToUint32 (uint32_t *value)

Representation	OptimalRepresentation ()

bool	FitsRepresentation (Representation representation)

Handle< HeapType >	OptimalType (Isolate *isolate, Representation representation)

bool	HasValidElements ()

bool	HasSpecificClassOf (String *name)

bool	BooleanValue ()

Object *	GetHash ()

bool	SameValue (Object *other)

bool	SameValueZero (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	Equals (Handle< Name > one, Handle< Name > two)

Static Public Member Functions inherited from v8::internal::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 Public Member Functions inherited from v8::internal::Object
static Handle< Object >	NewStorageFor (Isolate *isolate, Handle< Object > object, Representation representation)

static Handle< Object >	WrapForRead (Isolate *isolate, Handle< Object > object, Representation representation)

static MaybeHandle< JSReceiver >	ToObject (Isolate *isolate, Handle< Object > object)

static MaybeHandle< JSReceiver >	ToObject (Isolate *isolate, Handle< Object > object, Handle< Context > context)

static MUST_USE_RESULT MaybeHandle< Smi >	ToSmi (Isolate *isolate, Handle< Object > object)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (LookupIterator *it)

static MUST_USE_RESULT MaybeHandle< Object >	SetProperty (Handle< Object > object, Handle< Name > key, Handle< Object > value, StrictMode strict_mode, StoreFromKeyed store_mode=MAY_BE_STORE_FROM_KEYED)

static MUST_USE_RESULT MaybeHandle< Object >	SetProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode, StoreFromKeyed store_mode, StorePropertyMode data_store_mode=NORMAL_PROPERTY)

static MUST_USE_RESULT MaybeHandle< Object >	WriteToReadOnlyProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode)

static Handle< Object >	SetDataProperty (LookupIterator *it, Handle< Object > value)

static MUST_USE_RESULT MaybeHandle< Object >	AddDataProperty (LookupIterator *it, Handle< Object > value, PropertyAttributes attributes, StrictMode strict_mode, StoreFromKeyed store_mode)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyOrElement (Handle< Object > object, Handle< Name > key)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (Isolate isolate, Handle< Object > object, const char key)

static MUST_USE_RESULT MaybeHandle< Object >	GetProperty (Handle< Object > object, Handle< Name > key)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< JSObject > holder, Handle< Object > structure)

static MUST_USE_RESULT MaybeHandle< Object >	SetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< Object > value, Handle< JSObject > holder, Handle< Object > structure, StrictMode strict_mode)

static MUST_USE_RESULT MaybeHandle< Object >	GetPropertyWithDefinedGetter (Handle< Object > receiver, Handle< JSReceiver > getter)

static MUST_USE_RESULT MaybeHandle< Object >	SetPropertyWithDefinedSetter (Handle< Object > receiver, Handle< JSReceiver > setter, Handle< Object > value)

static MUST_USE_RESULT MaybeHandle< Object >	GetElement (Isolate *isolate, Handle< Object > object, uint32_t index)

static MUST_USE_RESULT MaybeHandle< Object >	GetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)

static Handle< Smi >	GetOrCreateHash (Isolate *isolate, Handle< Object > object)

Static Public Attributes
static const int	kHashFieldOffset = HeapObject::kHeaderSize

static const int	kSize = kHashFieldOffset + kPointerSize

static const int	kHashNotComputedMask = 1

static const int	kIsNotArrayIndexMask = 1 << 1

static const int	kNofHashBitFields = 2

static const int	kHashShift = kNofHashBitFields

static const uint32_t	kHashBitMask = 0xffffffffu >> kHashShift

static const int	kMaxCachedArrayIndexLength = 7

static const int	kArrayIndexValueBits = 24

static const int	kArrayIndexLengthBits

static const unsigned int	kContainsCachedArrayIndexMask

static const int	kEmptyHashField

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

Static Protected Member Functions
static bool	IsHashFieldComputed (uint32_t field)

Private Member Functions
	DISALLOW_IMPLICIT_CONSTRUCTORS (Name)

Additional Inherited Members
Public Types inherited from v8::internal::Object
enum	StoreFromKeyed { MAY_BE_STORE_FROM_KEYED , CERTAINLY_NOT_STORE_FROM_KEYED }

enum	StorePropertyMode { NORMAL_PROPERTY , SUPER_PROPERTY }

Protected Member Functions inherited from v8::internal::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 8459 of file objects.h.

Member Function Documentation

◆ AsArrayIndex()

bool v8::internal::Name::AsArrayIndex ( uint32_t * index )

inline

Definition at line 6601 of file objects-inl.h.

                                        {
   return IsString() && String::cast(this)->AsArrayIndex(index);
 }

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::Name::DISALLOW_IMPLICIT_CONSTRUCTORS ( Name )

private

◆ Equals() [1/2]

bool v8::internal::Name::Equals	(	Handle< Name >	one,
		Handle< Name >	two
	)

inlinestatic

Definition at line 3319 of file objects-inl.h.

                                                     {
   if (one.is_identical_to(two)) return true;
   if ((one->IsInternalizedString() && two->IsInternalizedString()) ||
       one->IsSymbol() || two->IsSymbol()) {
     return false;
   }
   return String::SlowEquals(Handle<String>::cast(one),
                             Handle<String>::cast(two));
 }

References v8::internal::String::SlowEquals().

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◆ Equals() [2/2]

bool v8::internal::Name::Equals ( Name * other )

inline

Definition at line 3309 of file objects-inl.h.

                              {
   if (other == this) return true;
   if ((this->IsInternalizedString() && other->IsInternalizedString()) ||
       this->IsSymbol() || other->IsSymbol()) {
     return false;
   }
   return String::cast(this)->SlowEquals(String::cast(other));
 }

Referenced by v8::internal::BinarySearch(), v8::internal::CheckForName(), v8::internal::LoadIC::CompileHandler(), v8::internal::OrderedHashTable< OrderedHashSet, JSSetIterator, 1 >::FindEntry(), v8::internal::LinearSearch(), v8::internal::KeyedLookupCache::Lookup(), and v8::internal::TransitionArray::Search().

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◆ Hash()

uint32_t v8::internal::Name::Hash ( )

inline

Definition at line 6465 of file objects-inl.h.

                     {
   // Fast case: has hash code already been computed?
   uint32_t field = hash_field();
   if (IsHashFieldComputed(field)) return field >> kHashShift;
   // Slow case: compute hash code and set it. Has to be a string.
   return String::cast(this)->ComputeAndSetHash();
 }

References hash_field(), IsHashFieldComputed(), and kHashShift.

Referenced by v8::internal::Logger::ApiNamedPropertyAccess(), v8::internal::DescriptorArray::Append(), v8::internal::CodeEventLogger::NameBuffer::AppendName(), v8::internal::BinarySearch(), v8::internal::Logger::CallbackEventInternal(), v8::internal::HeapObject::HeapObjectShortPrint(), v8::internal::InsertionPointFound(), v8::internal::LinearSearch(), v8::internal::RegExpResultsCache::Lookup(), v8::internal::String::SlowAsArrayIndex(), v8::internal::String::SlowEquals(), and v8::internal::StringSharedKey::StringSharedHashHelper().

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◆ hash_field()

uint32_t v8::internal::Name::hash_field ( )

inline

Definition at line 3296 of file objects-inl.h.

                           {
   return READ_UINT32_FIELD(this, kHashFieldOffset);
 }

References READ_UINT32_FIELD.

Referenced by v8::internal::String::AsArrayIndex(), Hash(), HasHashCode(), and v8::internal::String::SlowAsArrayIndex().

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◆ HasHashCode()

bool v8::internal::Name::HasHashCode ( )

inline

Definition at line 6460 of file objects-inl.h.

                        {
   return IsHashFieldComputed(hash_field());
 }

References hash_field(), and IsHashFieldComputed().

Referenced by v8::internal::String::ComputeAndSetHash(), v8::internal::String::GetForwardedInternalizedString(), v8::internal::String::SetForwardedInternalizedString(), and v8::internal::String::SlowEquals().

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◆ IsHashFieldComputed()

bool v8::internal::Name::IsHashFieldComputed ( uint32_t field )

inlinestaticprotected

Definition at line 6455 of file objects-inl.h.

                                              {
   return (field & kHashNotComputedMask) == 0;
 }

References kHashNotComputedMask.

Referenced by v8::internal::String::AsArrayIndex(), Hash(), and HasHashCode().

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◆ IsOwn()

bool v8::internal::Name::IsOwn ( )

inline

Definition at line 6473 of file objects-inl.h.

                  {
   return this->IsSymbol() && Symbol::cast(this)->is_own();
 }

◆ set_hash_field()

void v8::internal::Name::set_hash_field ( uint32_t value )

inline

Definition at line 3301 of file objects-inl.h.

                                         {
   WRITE_UINT32_FIELD(this, kHashFieldOffset, value);
 #if V8_HOST_ARCH_64_BIT
   WRITE_UINT32_FIELD(this, kHashFieldOffset + kIntSize, 0);
 #endif
 }

References v8::internal::kIntSize, and WRITE_UINT32_FIELD.

Referenced by v8::internal::Heap::AllocateInternalizedStringImpl(), v8::internal::Heap::AllocateOneByteInternalizedString(), v8::internal::Heap::AllocateTwoByteInternalizedString(), and v8::internal::String::ComputeAndSetHash().

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◆ STATIC_ASSERT() [1/2]

v8::internal::Name::STATIC_ASSERT ( (kArrayIndexLengthBits > 0) )

◆ STATIC_ASSERT() [2/2]

v8::internal::Name::STATIC_ASSERT ( IS_POWER_OF_TWO(kMaxCachedArrayIndexLength+1) )

Member Data Documentation

◆ kArrayIndexLengthBits

const int v8::internal::Name::kArrayIndexLengthBits

static

Initial value:

=

kBitsPerInt - kArrayIndexValueBits - kNofHashBitFields

v8::internal::Name::kNofHashBitFields

static const int kNofHashBitFields

Definition: objects.h:8496

v8::internal::Name::kArrayIndexValueBits

static const int kArrayIndexValueBits

Definition: objects.h:8511

v8::internal::kBitsPerInt

const int kBitsPerInt

Definition: globals.h:165

Definition at line 8512 of file objects.h.

◆ kArrayIndexValueBits

const int v8::internal::Name::kArrayIndexValueBits = 24

static

Definition at line 8511 of file objects.h.

◆ kContainsCachedArrayIndexMask

const unsigned int v8::internal::Name::kContainsCachedArrayIndexMask

static

Initial value:

=
      (~static_cast<unsigned>(kMaxCachedArrayIndexLength)
       << ArrayIndexLengthBits::kShift) |
      kIsNotArrayIndexMask

Definition at line 8528 of file objects.h.

◆ kEmptyHashField

const int v8::internal::Name::kEmptyHashField

static

Initial value:

=

kIsNotArrayIndexMask | kHashNotComputedMask

Definition at line 8534 of file objects.h.

Referenced by v8::internal::Heap::AllocateRawOneByteString(), v8::internal::Heap::AllocateRawTwoByteString(), and v8::internal::Deserializer::ProcessNewObjectFromSerializedCode().

◆ kHashBitMask

const uint32_t v8::internal::Name::kHashBitMask = 0xffffffffu >> kHashShift

static

Definition at line 8503 of file objects.h.

Referenced by v8::internal::Heap::AllocateSymbol(), v8::internal::Heap::SetUp(), and v8::internal::TwoCharHashTableKey::TwoCharHashTableKey().

◆ kHashFieldOffset

const int v8::internal::Name::kHashFieldOffset = HeapObject::kHeaderSize

static

Definition at line 8486 of file objects.h.

Referenced by v8::internal::FINAL< kOperandKind, kNumCachedOperands >::ForNameHashField(), v8::internal::FINAL< kOperandKind, kNumCachedOperands >::ForStringHashField(), v8::internal::String::GetForwardedInternalizedString(), and v8::internal::String::SetForwardedInternalizedString().

◆ kHashNotComputedMask

const int v8::internal::Name::kHashNotComputedMask = 1

static

Definition at line 8494 of file objects.h.

Referenced by IsHashFieldComputed().

◆ kHashShift

const int v8::internal::Name::kHashShift = kNofHashBitFields

static

Definition at line 8499 of file objects.h.

Referenced by v8::internal::Heap::AllocateSymbol(), v8::internal::CodeStubGraphBuilder< KeyedLoadGenericStub >::BuildCodeStub(), v8::internal::String::ComputeAndSetHash(), v8::internal::StubCache::entry(), v8::internal::StringHasher::GetHashField(), Hash(), v8::internal::AstRawStringInternalizationKey::Hash(), v8::internal::SequentialStringKey< Char >::Hash(), v8::internal::SeqOneByteSubStringKey::Hash(), v8::internal::Utf8StringKey::Hash(), v8::internal::StubCache::PrimaryOffset(), and v8::internal::TwoCharHashTableKey::TwoCharHashTableKey().

◆ kIsNotArrayIndexMask

const int v8::internal::Name::kIsNotArrayIndexMask = 1 << 1

static

Definition at line 8495 of file objects.h.

Referenced by v8::internal::Heap::AllocateSymbol(), v8::internal::String::AsArrayIndex(), v8::internal::StringHasher::GetHashField(), v8::internal::StringHasher::MakeArrayIndexHash(), v8::internal::String::SlowAsArrayIndex(), and v8::internal::TwoCharHashTableKey::TwoCharHashTableKey().

◆ kMaxCachedArrayIndexLength

const int v8::internal::Name::kMaxCachedArrayIndexLength = 7

static

Definition at line 8506 of file objects.h.

◆ kNofHashBitFields

const int v8::internal::Name::kNofHashBitFields = 2

static

Definition at line 8496 of file objects.h.

◆ kSize

const int v8::internal::Name::kSize = kHashFieldOffset + kPointerSize

static

Definition at line 8487 of file objects.h.

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

/mnt/V8SourceCode/src/objects.h
/mnt/V8SourceCode/src/objects-inl.h

Classes

Public Member Functions

Static Public Member Functions

Static Public Attributes

Static Protected Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ AsArrayIndex()

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

◆ Equals() [1/2]

◆ Equals() [2/2]

◆ Hash()

◆ hash_field()

◆ HasHashCode()

◆ IsHashFieldComputed()

◆ IsOwn()

◆ set_hash_field()

◆ STATIC_ASSERT() [1/2]

◆ STATIC_ASSERT() [2/2]

Member Data Documentation

◆ kArrayIndexLengthBits

◆ kArrayIndexValueBits

◆ kContainsCachedArrayIndexMask

◆ kEmptyHashField

◆ kHashBitMask

◆ kHashFieldOffset

◆ kHashNotComputedMask

◆ kHashShift

◆ kIsNotArrayIndexMask

◆ kMaxCachedArrayIndexLength

◆ kNofHashBitFields

◆ kSize