v8::internal::TypedElementsAccessor< Kind > Class Template Reference

Inheritance diagram for v8::internal::TypedElementsAccessor< Kind >:

Collaboration diagram for v8::internal::TypedElementsAccessor< Kind >:

Public Member Functions
	TypedElementsAccessor (const char *name)
Public Member Functions inherited from v8::internal::ElementsAccessor
	ElementsAccessor (const char *name)
virtual	~ElementsAccessor ()
const char *	name () const
bool	HasElement (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key)
MUST_USE_RESULT MaybeHandle< Object >	Get (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key)
MUST_USE_RESULT PropertyAttributes	GetAttributes (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key)
MUST_USE_RESULT MaybeHandle< AccessorPair >	GetAccessorPair (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key)
void	CopyElements (Handle< JSObject > from_holder, Handle< FixedArrayBase > to, ElementsKind from_kind)
MUST_USE_RESULT MaybeHandle< FixedArray >	AddElementsToFixedArray (Handle< Object > receiver, Handle< JSObject > holder, Handle< FixedArray > to)

Protected Types
typedef ElementsKindTraits< Kind >::BackingStore	BackingStore
typedef TypedElementsAccessor< Kind >	AccessorClass
Protected Types inherited from v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >
typedef ElementsKindTraits< Kind >	ElementsTraits
typedef ElementsTraitsParam::BackingStore	BackingStore

Protected Member Functions
virtual MUST_USE_RESULT MaybeHandle< Object >	Delete (Handle< JSObject > obj, uint32_t key, JSReceiver::DeleteMode mode) FINAL OVERRIDE
Protected Member Functions inherited from v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >
	ElementsAccessorBase (const char *name)
virtual ElementsKind	kind () const FINAL OVERRIDE
virtual void	Validate (Handle< JSObject > holder) FINAL OVERRIDE
virtual bool	HasElement (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store) FINAL OVERRIDE
virtual MUST_USE_RESULT MaybeHandle< Object >	Get (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store) FINAL OVERRIDE
virtual MUST_USE_RESULT PropertyAttributes	GetAttributes (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store) FINAL OVERRIDE
virtual MUST_USE_RESULT MaybeHandle< AccessorPair >	GetAccessorPair (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store) FINAL OVERRIDE
virtual MUST_USE_RESULT MaybeHandle< Object >	SetLength (Handle< JSArray > array, Handle< Object > length) FINAL OVERRIDE
virtual void	SetCapacityAndLength (Handle< JSArray > array, int capacity, int length) FINAL OVERRIDE
virtual void	CopyElements (Handle< FixedArrayBase > from, uint32_t from_start, ElementsKind from_kind, Handle< FixedArrayBase > to, uint32_t to_start, int copy_size) FINAL OVERRIDE
virtual void	CopyElements (JSObject *from_holder, uint32_t from_start, ElementsKind from_kind, Handle< FixedArrayBase > to, uint32_t to_start, int copy_size) FINAL OVERRIDE
virtual MaybeHandle< FixedArray >	AddElementsToFixedArray (Handle< Object > receiver, Handle< JSObject > holder, Handle< FixedArray > to, Handle< FixedArrayBase > from) FINAL OVERRIDE
virtual uint32_t	GetCapacity (Handle< FixedArrayBase > backing_store) FINAL OVERRIDE
virtual uint32_t	GetKeyForIndex (Handle< FixedArrayBase > backing_store, uint32_t index) FINAL OVERRIDE

Static Protected Member Functions
static MUST_USE_RESULT MaybeHandle< Object >	GetImpl (Handle< Object > receiver, Handle< JSObject > obj, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT PropertyAttributes	GetAttributesImpl (Handle< Object > receiver, Handle< JSObject > obj, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT MaybeHandle< Object >	SetLengthImpl (Handle< JSObject > obj, Handle< Object > length, Handle< FixedArrayBase > backing_store)
static bool	HasElementImpl (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store)
Static Protected Member Functions inherited from v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >
static void	ValidateContents (Handle< JSObject > holder, int length)
static void	ValidateImpl (Handle< JSObject > holder)
static bool	HasElementImpl (Handle< Object > receiver, Handle< JSObject > holder, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT MaybeHandle< Object >	GetImpl (Handle< Object > receiver, Handle< JSObject > obj, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT PropertyAttributes	GetAttributesImpl (Handle< Object > receiver, Handle< JSObject > obj, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT MaybeHandle< AccessorPair >	GetAccessorPairImpl (Handle< Object > receiver, Handle< JSObject > obj, uint32_t key, Handle< FixedArrayBase > backing_store)
static MUST_USE_RESULT MaybeHandle< Object >	SetLengthImpl (Handle< JSObject > obj, Handle< Object > length, Handle< FixedArrayBase > backing_store)
static void	SetFastElementsCapacityAndLength (Handle< JSObject > obj, int capacity, int length)
static void	CopyElementsImpl (FixedArrayBase *from, uint32_t from_start, FixedArrayBase *to, ElementsKind from_kind, uint32_t to_start, int packed_size, int copy_size)
static uint32_t	GetCapacityImpl (Handle< FixedArrayBase > backing_store)
static uint32_t	GetKeyForIndexImpl (Handle< FixedArrayBase > backing_store, uint32_t index)

Friends
class	ElementsAccessorBase< AccessorClass, ElementsKindTraits< Kind > >

Additional Inherited Members
Static Public Member Functions inherited from v8::internal::ElementsAccessor
static ElementsAccessor *	ForKind (ElementsKind elements_kind)
static ElementsAccessor *	ForArray (Handle< FixedArrayBase > array)
static void	InitializeOncePerProcess ()
static void	TearDown ()
Static Public Attributes inherited from v8::internal::ElementsAccessor
static const int	kCopyToEnd = -1
static const int	kCopyToEndAndInitializeToHole = -2

Detailed Description

template<ElementsKind Kind>
class v8::internal::TypedElementsAccessor< Kind >

Definition at line 1274 of file elements.cc.

Member Typedef Documentation

AccessorClass

template<ElementsKind Kind>

typedef TypedElementsAccessor<Kind> v8::internal::TypedElementsAccessor< Kind >::AccessorClass

protected

Definition at line 1284 of file elements.cc.

BackingStore

template<ElementsKind Kind>

typedef ElementsKindTraits<Kind>::BackingStore v8::internal::TypedElementsAccessor< Kind >::BackingStore

protected

Definition at line 1283 of file elements.cc.

Constructor & Destructor Documentation

TypedElementsAccessor()

template<ElementsKind Kind>

v8::internal::TypedElementsAccessor< Kind >::TypedElementsAccessor ( const char *  name )

inlineexplicit

Definition at line 1278 of file elements.cc.

      : ElementsAccessorBase<AccessorClass,
                             ElementsKindTraits<Kind> >(name) {}

Member Function Documentation

Delete()

template<ElementsKind Kind>

virtual MUST_USE_RESULT MaybeHandle<Object> v8::internal::TypedElementsAccessor< Kind >::Delete ( Handle< JSObject >  obj, uint32_t  key, JSReceiver::DeleteMode  mode  )

inlineprotectedvirtual

Implements v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >.

Definition at line 1320 of file elements.cc.

                                                {
    // External arrays always ignore deletes.
    return obj->GetIsolate()->factory()->true_value();
  }

GetAttributesImpl()

template<ElementsKind Kind>

static MUST_USE_RESULT PropertyAttributes v8::internal::TypedElementsAccessor< Kind >::GetAttributesImpl ( Handle< Object >  receiver, Handle< JSObject >  obj, uint32_t  key, Handle< FixedArrayBase >  backing_store  )

inlinestaticprotected

Definition at line 1301 of file elements.cc.

                                            {
    return
        key < AccessorClass::GetCapacityImpl(backing_store)
          ? NONE : ABSENT;
  }

References ABSENT, v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >::GetCapacityImpl(), and NONE.

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GetImpl()

template<ElementsKind Kind>

static MUST_USE_RESULT MaybeHandle<Object> v8::internal::TypedElementsAccessor< Kind >::GetImpl ( Handle< Object >  receiver, Handle< JSObject >  obj, uint32_t  key, Handle< FixedArrayBase >  backing_store  )

inlinestaticprotected

Definition at line 1289 of file elements.cc.

                                            {
    if (key < AccessorClass::GetCapacityImpl(backing_store)) {
      return BackingStore::get(Handle<BackingStore>::cast(backing_store), key);
    } else {
      return backing_store->GetIsolate()->factory()->undefined_value();
    }
  }

References v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >::GetCapacityImpl().

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HasElementImpl()

template<ElementsKind Kind>

static bool v8::internal::TypedElementsAccessor< Kind >::HasElementImpl ( Handle< Object >  receiver, Handle< JSObject >  holder, uint32_t  key, Handle< FixedArrayBase >  backing_store  )

inlinestaticprotected

Definition at line 1328 of file elements.cc.

                                                                   {
    uint32_t capacity =
        AccessorClass::GetCapacityImpl(backing_store);
    return key < capacity;
  }

References v8::internal::ElementsAccessorBase< TypedElementsAccessor< Kind >, ElementsKindTraits< Kind > >::GetCapacityImpl().

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SetLengthImpl()

template<ElementsKind Kind>

static MUST_USE_RESULT MaybeHandle<Object> v8::internal::TypedElementsAccessor< Kind >::SetLengthImpl ( Handle< JSObject >  obj, Handle< Object >  length, Handle< FixedArrayBase >  backing_store  )

inlinestaticprotected

Definition at line 1311 of file elements.cc.

                                            {
    // External arrays do not support changing their length.
    UNREACHABLE();
    return obj;
  }

References UNREACHABLE.

Friends And Related Function Documentation

ElementsAccessorBase< AccessorClass, ElementsKindTraits< Kind > >

template<ElementsKind Kind>

friend class ElementsAccessorBase< AccessorClass, ElementsKindTraits< Kind > >

friend

Definition at line 1284 of file elements.cc.

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

• /mnt/V8SourceCode/src/elements.cc