#include <objects.h>

Inheritance diagram for v8::internal::ExternalUint8ClampedArray:

Collaboration diagram for v8::internal::ExternalUint8ClampedArray:

Public Member Functions
uint8_t *	external_uint8_clamped_pointer ()

uint8_t	get_scalar (int index)

void	set (int index, uint8_t value)

Public Member Functions inherited from v8::internal::ExternalArray
bool	is_the_hole (int index)

	DECL_ACCESSORS (external_pointer, void) static const int kMaxLength=0x3fffffff

Public Member Functions inherited from v8::internal::FixedArrayBase
int	length () const

void	set_length (int value)

int	synchronized_length () const

void	synchronized_set_length (int value)

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 Handle< Object >	get (Handle< ExternalUint8ClampedArray > array, int index)

static Handle< Object >	SetValue (Handle< ExternalUint8ClampedArray > array, uint32_t index, Handle< Object > value)

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)

Private Member Functions
	DISALLOW_IMPLICIT_CONSTRUCTORS (ExternalUint8ClampedArray)

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 }

Static Public Attributes inherited from v8::internal::ExternalArray
static const int	kExternalPointerOffset

static const int	kHeaderSize = kExternalPointerOffset + kPointerSize

static const int	kAlignedSize = OBJECT_POINTER_ALIGN(kHeaderSize)

Static Public Attributes inherited from v8::internal::FixedArrayBase
static const int	kLengthOffset = HeapObject::kHeaderSize

static const int	kHeaderSize = kLengthOffset + kPointerSize

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

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 4489 of file objects.h.

Member Function Documentation

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::ExternalUint8ClampedArray::DISALLOW_IMPLICIT_CONSTRUCTORS ( ExternalUint8ClampedArray )

private

◆ external_uint8_clamped_pointer()

uint8_t * v8::internal::ExternalUint8ClampedArray::external_uint8_clamped_pointer ( )

inline

Definition at line 3799 of file objects-inl.h.

                                                                    {
   return reinterpret_cast<uint8_t*>(external_pointer());
 }

Referenced by get_scalar(), and set().

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◆ get()

Handle< Object > v8::internal::ExternalUint8ClampedArray::get	(	Handle< ExternalUint8ClampedArray >	array,
		int	index
	)

inlinestatic

Definition at line 3811 of file objects-inl.h.

                {
   return Handle<Smi>(Smi::FromInt(array->get_scalar(index)),
                      array->GetIsolate());
 }

References v8::internal::Smi::FromInt().

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◆ get_scalar()

uint8_t v8::internal::ExternalUint8ClampedArray::get_scalar ( int index )

inline

Definition at line 3804 of file objects-inl.h.

                                                        {
   DCHECK((index >= 0) && (index < this->length()));
   uint8_t* ptr = external_uint8_clamped_pointer();
   return ptr[index];
 }

References DCHECK, external_uint8_clamped_pointer(), and v8::internal::FixedArrayBase::length().

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◆ set()

void v8::internal::ExternalUint8ClampedArray::set	(	int	index,
		uint8_t	value
	)

inline

Definition at line 3819 of file objects-inl.h.

                                                             {
   DCHECK((index >= 0) && (index < this->length()));
   uint8_t* ptr = external_uint8_clamped_pointer();
   ptr[index] = value;
 }

References DCHECK, external_uint8_clamped_pointer(), and v8::internal::FixedArrayBase::length().

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◆ SetValue()

Handle< Object > v8::internal::ExternalUint8ClampedArray::SetValue	(	Handle< ExternalUint8ClampedArray >	array,
		uint32_t	index,
		Handle< Object >	value
	)

static

Definition at line 14408 of file objects.cc.

                           {
   uint8_t clamped_value = 0;
   if (index < static_cast<uint32_t>(array->length())) {
     if (value->IsSmi()) {
       int int_value = Handle<Smi>::cast(value)->value();
       if (int_value < 0) {
         clamped_value = 0;
       } else if (int_value > 255) {
         clamped_value = 255;
       } else {
         clamped_value = static_cast<uint8_t>(int_value);
       }
     } else if (value->IsHeapNumber()) {
       double double_value = Handle<HeapNumber>::cast(value)->value();
       if (!(double_value > 0)) {
         // NaN and less than zero clamp to zero.
         clamped_value = 0;
       } else if (double_value > 255) {
         // Greater than 255 clamp to 255.
         clamped_value = 255;
       } else {
         // Other doubles are rounded to the nearest integer.
         clamped_value = static_cast<uint8_t>(lrint(double_value));
       }
     } else {
       // Clamp undefined to zero (default). All other types have been
       // converted to a number type further up in the call chain.
       DCHECK(value->IsUndefined());
     }
     array->set(index, clamped_value);
   }
   return handle(Smi::FromInt(clamped_value), array->GetIsolate());
 }

References v8::internal::Handle< T >::cast(), DCHECK, v8::internal::Smi::FromInt(), and v8::internal::handle().

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

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

Public Member Functions

Static Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

◆ external_uint8_clamped_pointer()

◆ get()

◆ get_scalar()

◆ set()

◆ SetValue()