v8
V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++.
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Classes | Public Member Functions | Static Public Member Functions | Static Public Attributes | Private Member Functions | Friends | List of all members
v8::internal::JSTypedArray Class Reference

#include <js-array-buffer.h>

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Classes

class  BodyDescriptor
 

Public Member Functions

ExternalArrayType type ()
 
V8_EXPORT_PRIVATE size_t element_size () const
 
V8_EXPORT_PRIVATE Handle< JSArrayBuffer > GetBuffer ()
 
void * DataPtr ()
 
void SetOffHeapDataPtr (Isolate *isolate, void *base, Address offset)
 
bool is_on_heap () const
 
bool is_on_heap (AcquireLoadTag tag) const
 
size_t GetVariableByteLengthOrOutOfBounds (bool &out_of_bounds) const
 
size_t GetVariableLengthOrOutOfBounds (bool &out_of_bounds) const
 
size_t GetLengthOrOutOfBounds (bool &out_of_bounds) const
 
size_t GetLength () const
 
size_t GetByteLength () const
 
bool IsOutOfBounds () const
 
bool IsDetachedOrOutOfBounds () const
 
uint32_t GetExternalBackingStoreRefForDeserialization () const
 
void SetExternalBackingStoreRefForSerialization (uint32_t ref)
 
void RemoveExternalPointerCompensationForSerialization (Isolate *isolate)
 
void AddExternalPointerCompensationForDeserialization (Isolate *isolate)
 

Static Public Member Functions

static V8_WARN_UNUSED_RESULT Maybe< bool > DefineOwnProperty (Isolate *isolate, DirectHandle< JSTypedArray > o, DirectHandle< Object > key, PropertyDescriptor *desc, Maybe< ShouldThrow > should_throw)
 
static void ForFixedTypedArray (ExternalArrayType array_type, size_t *element_size, ElementsKind *element_kind)
 
static size_t LengthTrackingGsabBackedTypedArrayLength (Isolate *isolate, Address raw_array)
 
static Address ExternalPointerCompensationForOnHeapArray (PtrComprCageBase cage_base)
 
static MaybeDirectHandle< JSTypedArray > Validate (Isolate *isolate, DirectHandle< Object > receiver, const char *method_name)
 

Static Public Attributes

static constexpr size_t kMaxByteLength = JSArrayBuffer::kMaxByteLength
 
static constexpr bool kOffHeapDataPtrEqualsExternalPointer = true
 
static constexpr int kSizeWithEmbedderFields
 
static constexpr bool kContainsEmbedderFields
 
static constexpr size_t kMaxSizeInHeap = 64
 

Private Member Functions

size_t LengthUnchecked () const
 
void set_external_pointer (Isolate *isolate, Address value)
 

Friends

template<typename IsolateT >
class Deserializer
 
class Factory
 

Detailed Description

Definition at line 328 of file js-array-buffer.h.

Member Function Documentation

◆ AddExternalPointerCompensationForDeserialization()

void v8::internal::JSTypedArray::AddExternalPointerCompensationForDeserialization ( Isolate * isolate)
inline

Definition at line 333 of file js-array-buffer-inl.h.

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◆ DataPtr()

void * v8::internal::JSTypedArray::DataPtr ( )
inline

Definition at line 341 of file js-array-buffer-inl.h.

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◆ DefineOwnProperty()

Maybe< bool > v8::internal::JSTypedArray::DefineOwnProperty ( Isolate * isolate,
DirectHandle< JSTypedArray > o,
DirectHandle< Object > key,
PropertyDescriptor * desc,
Maybe< ShouldThrow > should_throw )
static

Definition at line 341 of file js-array-buffer.cc.

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◆ element_size()

size_t v8::internal::JSTypedArray::element_size ( ) const

Definition at line 426 of file js-array-buffer.cc.

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◆ ExternalPointerCompensationForOnHeapArray()

Address v8::internal::JSTypedArray::ExternalPointerCompensationForOnHeapArray ( PtrComprCageBase cage_base)
inlinestatic

Definition at line 306 of file js-array-buffer-inl.h.

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◆ ForFixedTypedArray()

void v8::internal::JSTypedArray::ForFixedTypedArray ( ExternalArrayType array_type,
size_t * element_size,
ElementsKind * element_kind )
inlinestatic

Definition at line 268 of file js-array-buffer-inl.h.

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◆ GetBuffer()

Handle< JSArrayBuffer > v8::internal::JSTypedArray::GetBuffer ( )

Definition at line 297 of file js-array-buffer.cc.

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◆ GetByteLength()

size_t v8::internal::JSTypedArray::GetByteLength ( ) const
inline

Definition at line 244 of file js-array-buffer-inl.h.

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◆ GetExternalBackingStoreRefForDeserialization()

uint32_t v8::internal::JSTypedArray::GetExternalBackingStoreRefForDeserialization ( ) const
inline

Definition at line 315 of file js-array-buffer-inl.h.

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◆ GetLength()

size_t v8::internal::JSTypedArray::GetLength ( ) const
inline

Definition at line 239 of file js-array-buffer-inl.h.

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◆ GetLengthOrOutOfBounds()

size_t v8::internal::JSTypedArray::GetLengthOrOutOfBounds ( bool & out_of_bounds) const
inline

Definition at line 230 of file js-array-buffer-inl.h.

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◆ GetVariableByteLengthOrOutOfBounds()

size_t v8::internal::JSTypedArray::GetVariableByteLengthOrOutOfBounds ( bool & out_of_bounds) const

Definition at line 459 of file js-array-buffer.cc.

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◆ GetVariableLengthOrOutOfBounds()

size_t v8::internal::JSTypedArray::GetVariableLengthOrOutOfBounds ( bool & out_of_bounds) const

Definition at line 489 of file js-array-buffer.cc.

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◆ is_on_heap() [1/2]

bool v8::internal::JSTypedArray::is_on_heap ( ) const
inline

Definition at line 365 of file js-array-buffer-inl.h.

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◆ is_on_heap() [2/2]

bool v8::internal::JSTypedArray::is_on_heap ( AcquireLoadTag tag) const
inline

Definition at line 371 of file js-array-buffer-inl.h.

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◆ IsDetachedOrOutOfBounds()

bool v8::internal::JSTypedArray::IsDetachedOrOutOfBounds ( ) const
inline

Definition at line 254 of file js-array-buffer-inl.h.

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◆ IsOutOfBounds()

bool v8::internal::JSTypedArray::IsOutOfBounds ( ) const
inline

Definition at line 248 of file js-array-buffer-inl.h.

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◆ LengthTrackingGsabBackedTypedArrayLength()

size_t v8::internal::JSTypedArray::LengthTrackingGsabBackedTypedArrayLength ( Isolate * isolate,
Address raw_array )
static

Definition at line 441 of file js-array-buffer.cc.

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◆ LengthUnchecked()

size_t v8::internal::JSTypedArray::LengthUnchecked ( ) const
inlineprivate

Definition at line 290 of file js-array-buffer-inl.h.

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◆ RemoveExternalPointerCompensationForSerialization()

void v8::internal::JSTypedArray::RemoveExternalPointerCompensationForSerialization ( Isolate * isolate)
inline

Definition at line 325 of file js-array-buffer-inl.h.

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◆ set_external_pointer()

void v8::internal::JSTypedArray::set_external_pointer ( Isolate * isolate,
Address value )
inlineprivate

Definition at line 302 of file js-array-buffer-inl.h.

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◆ SetExternalBackingStoreRefForSerialization()

void v8::internal::JSTypedArray::SetExternalBackingStoreRefForSerialization ( uint32_t ref)
inline

Definition at line 320 of file js-array-buffer-inl.h.

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◆ SetOffHeapDataPtr()

void v8::internal::JSTypedArray::SetOffHeapDataPtr ( Isolate * isolate,
void * base,
Address offset )
inline

Definition at line 351 of file js-array-buffer-inl.h.

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◆ type()

ExternalArrayType v8::internal::JSTypedArray::type ( )

Definition at line 411 of file js-array-buffer.cc.

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◆ Validate()

MaybeDirectHandle< JSTypedArray > v8::internal::JSTypedArray::Validate ( Isolate * isolate,
DirectHandle< Object > receiver,
const char * method_name )
inlinestatic

Definition at line 380 of file js-array-buffer-inl.h.

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Friends And Related Symbol Documentation

◆ Deserializer

template<typename IsolateT >
friend class Deserializer
friend

Definition at line 438 of file js-array-buffer.h.

◆ Factory

friend class Factory
friend

Definition at line 439 of file js-array-buffer.h.

Member Data Documentation

◆ kContainsEmbedderFields

bool v8::internal::JSTypedArray::kContainsEmbedderFields
staticconstexpr
Initial value:
=
v8::ArrayBufferView::kEmbedderFieldCount > 0
v8::ArrayBufferView::kEmbedderFieldCount
static const int kEmbedderFieldCount
Definition v8-array-buffer.h:468

Definition at line 425 of file js-array-buffer.h.

◆ kMaxByteLength

size_t v8::internal::JSTypedArray::kMaxByteLength = JSArrayBuffer::kMaxByteLength
staticconstexpr

Definition at line 331 of file js-array-buffer.h.

◆ kMaxSizeInHeap

size_t v8::internal::JSTypedArray::kMaxSizeInHeap = 64
staticconstexpr

Definition at line 433 of file js-array-buffer.h.

◆ kOffHeapDataPtrEqualsExternalPointer

bool v8::internal::JSTypedArray::kOffHeapDataPtrEqualsExternalPointer = true
staticconstexpr

Definition at line 352 of file js-array-buffer.h.

◆ kSizeWithEmbedderFields

int v8::internal::JSTypedArray::kSizeWithEmbedderFields
staticconstexpr
Initial value:
=
kHeaderSize +
v8::ArrayBufferView::kEmbedderFieldCount * kEmbedderDataSlotSize
v8::internal::kEmbedderDataSlotSize
constexpr int kEmbedderDataSlotSize
Definition globals.h:664

Definition at line 422 of file js-array-buffer.h.

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