V8 Project
v8::internal::ExternalUint32Array Class Reference

#include <objects.h>

+ Inheritance diagram for v8::internal::ExternalUint32Array:
+ Collaboration diagram for v8::internal::ExternalUint32Array:

Public Member Functions

uint32_t get_scalar (int index)
 
void set (int index, uint32_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
Mapmap () const
 
void set_map (Map *value)
 
void set_map_no_write_barrier (Map *value)
 
Mapsynchronized_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)
 
HeapGetHeap () const
 
IsolateGetIsolate () 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< HeapTypeOptimalType (Isolate *isolate, Representation representation)
 
bool HasValidElements ()
 
bool HasSpecificClassOf (String *name)
 
bool BooleanValue ()
 
ObjectGetHash ()
 
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< Objectget (Handle< ExternalUint32Array > array, int index)
 
static Handle< ObjectSetValue (Handle< ExternalUint32Array > array, uint32_t index, Handle< Object > value)
 
- Static Public Member Functions inherited from v8::internal::HeapObject
static HeapObjectFromAddress (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< ObjectNewStorageFor (Isolate *isolate, Handle< Object > object, Representation representation)
 
static Handle< ObjectWrapForRead (Isolate *isolate, Handle< Object > object, Representation representation)
 
static MaybeHandle< JSReceiverToObject (Isolate *isolate, Handle< Object > object)
 
static MaybeHandle< JSReceiverToObject (Isolate *isolate, Handle< Object > object, Handle< Context > context)
 
static MUST_USE_RESULT MaybeHandle< SmiToSmi (Isolate *isolate, Handle< Object > object)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetProperty (LookupIterator *it)
 
static MUST_USE_RESULT MaybeHandle< ObjectSetProperty (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< ObjectSetProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode, StoreFromKeyed store_mode, StorePropertyMode data_store_mode=NORMAL_PROPERTY)
 
static MUST_USE_RESULT MaybeHandle< ObjectWriteToReadOnlyProperty (LookupIterator *it, Handle< Object > value, StrictMode strict_mode)
 
static Handle< ObjectSetDataProperty (LookupIterator *it, Handle< Object > value)
 
static MUST_USE_RESULT MaybeHandle< ObjectAddDataProperty (LookupIterator *it, Handle< Object > value, PropertyAttributes attributes, StrictMode strict_mode, StoreFromKeyed store_mode)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetPropertyOrElement (Handle< Object > object, Handle< Name > key)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetProperty (Isolate *isolate, Handle< Object > object, const char *key)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetProperty (Handle< Object > object, Handle< Name > key)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< JSObject > holder, Handle< Object > structure)
 
static MUST_USE_RESULT MaybeHandle< ObjectSetPropertyWithAccessor (Handle< Object > receiver, Handle< Name > name, Handle< Object > value, Handle< JSObject > holder, Handle< Object > structure, StrictMode strict_mode)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetPropertyWithDefinedGetter (Handle< Object > receiver, Handle< JSReceiver > getter)
 
static MUST_USE_RESULT MaybeHandle< ObjectSetPropertyWithDefinedSetter (Handle< Object > receiver, Handle< JSReceiver > setter, Handle< Object > value)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetElement (Isolate *isolate, Handle< Object > object, uint32_t index)
 
static MUST_USE_RESULT MaybeHandle< ObjectGetElementWithReceiver (Isolate *isolate, Handle< Object > object, Handle< Object > receiver, uint32_t index)
 
static Handle< SmiGetOrCreateHash (Isolate *isolate, Handle< Object > object)
 

Private Member Functions

 DISALLOW_IMPLICIT_CONSTRUCTORS (ExternalUint32Array)
 

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 4637 of file objects.h.

Member Function Documentation

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::ExternalUint32Array::DISALLOW_IMPLICIT_CONSTRUCTORS ( ExternalUint32Array  )
private

◆ get()

Handle< Object > v8::internal::ExternalUint32Array::get ( Handle< ExternalUint32Array array,
int  index 
)
inlinestatic

Definition at line 3950 of file objects-inl.h.

3951  {
3952  return array->GetIsolate()->factory()->
3953  NewNumberFromUint(array->get_scalar(index));
3954 }

◆ get_scalar()

uint32_t v8::internal::ExternalUint32Array::get_scalar ( int  index)
inline

Definition at line 3943 of file objects-inl.h.

3943  {
3944  DCHECK((index >= 0) && (index < this->length()));
3945  uint32_t* ptr = static_cast<uint32_t*>(external_pointer());
3946  return ptr[index];
3947 }
#define DCHECK(condition)
Definition: logging.h:205

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

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◆ set()

void v8::internal::ExternalUint32Array::set ( int  index,
uint32_t  value 
)
inline

Definition at line 3957 of file objects-inl.h.

3957  {
3958  DCHECK((index >= 0) && (index < this->length()));
3959  uint32_t* ptr = static_cast<uint32_t*>(external_pointer());
3960  ptr[index] = value;
3961 }

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

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◆ SetValue()

Handle< Object > v8::internal::ExternalUint32Array::SetValue ( Handle< ExternalUint32Array array,
uint32_t  index,
Handle< Object value 
)
static

Definition at line 14511 of file objects.cc.

14514  {
14515  uint32_t cast_value = 0;
14516  if (index < static_cast<uint32_t>(array->length())) {
14517  if (value->IsSmi()) {
14518  int int_value = Handle<Smi>::cast(value)->value();
14519  cast_value = static_cast<uint32_t>(int_value);
14520  } else if (value->IsHeapNumber()) {
14521  double double_value = Handle<HeapNumber>::cast(value)->value();
14522  cast_value = static_cast<uint32_t>(DoubleToUint32(double_value));
14523  } else {
14524  // Clamp undefined to zero (default). All other types have been
14525  // converted to a number type further up in the call chain.
14526  DCHECK(value->IsUndefined());
14527  }
14528  array->set(index, cast_value);
14529  }
14530  return array->GetIsolate()->factory()->NewNumberFromUint(cast_value);
14531 }
static Handle< T > cast(Handle< S > that)
Definition: handles.h:116
uint32_t DoubleToUint32(double x)
Definition: conversions.h:93

References v8::internal::Handle< T >::cast(), DCHECK, and v8::internal::DoubleToUint32().

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