#include <objects.h>

Inheritance diagram for v8::internal::JSReceiver:

Collaboration diagram for v8::internal::JSReceiver:

Public Types
enum	DeleteMode { NORMAL_DELETION , STRICT_DELETION , FORCE_DELETION }

enum	KeyCollectionType { OWN_ONLY , INCLUDE_PROTOS }

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 }

Public Member Functions
bool	IsSimpleEnum ()

String *	class_name ()

String *	constructor_name ()

Object *	GetConstructor ()

Object *	GetIdentityHash ()

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 MUST_USE_RESULT MaybeHandle< Object >	SetElement (Handle< JSReceiver > object, uint32_t index, Handle< Object > value, PropertyAttributes attributes, StrictMode strict_mode)

static MUST_USE_RESULT Maybe< bool >	HasProperty (Handle< JSReceiver > object, Handle< Name > name)

static MUST_USE_RESULT Maybe< bool >	HasOwnProperty (Handle< JSReceiver >, Handle< Name > name)

static MUST_USE_RESULT Maybe< bool >	HasElement (Handle< JSReceiver > object, uint32_t index)

static MUST_USE_RESULT Maybe< bool >	HasOwnElement (Handle< JSReceiver > object, uint32_t index)

static MUST_USE_RESULT MaybeHandle< Object >	DeleteProperty (Handle< JSReceiver > object, Handle< Name > name, DeleteMode mode=NORMAL_DELETION)

static MUST_USE_RESULT MaybeHandle< Object >	DeleteElement (Handle< JSReceiver > object, uint32_t index, DeleteMode mode=NORMAL_DELETION)

static MUST_USE_RESULT Maybe< PropertyAttributes >	GetPropertyAttributes (Handle< JSReceiver > object, Handle< Name > name)

static MUST_USE_RESULT Maybe< PropertyAttributes >	GetPropertyAttributes (LookupIterator *it)

static MUST_USE_RESULT Maybe< PropertyAttributes >	GetOwnPropertyAttributes (Handle< JSReceiver > object, Handle< Name > name)

static MUST_USE_RESULT Maybe< PropertyAttributes >	GetElementAttribute (Handle< JSReceiver > object, uint32_t index)

static MUST_USE_RESULT Maybe< PropertyAttributes >	GetOwnElementAttribute (Handle< JSReceiver > object, uint32_t index)

static Handle< Smi >	GetOrCreateIdentityHash (Handle< JSReceiver > object)

static MUST_USE_RESULT MaybeHandle< FixedArray >	GetKeys (Handle< JSReceiver > object, KeyCollectionType type)

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 (JSReceiver)

Additional Inherited Members
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 1565 of file objects.h.

Member Enumeration Documentation

◆ DeleteMode

enum v8::internal::JSReceiver::DeleteMode

Enumerator
NORMAL_DELETION
STRICT_DELETION
FORCE_DELETION

Definition at line 1567 of file objects.h.

                   {
     NORMAL_DELETION,
     STRICT_DELETION,
     FORCE_DELETION
   };

◆ KeyCollectionType

enum v8::internal::JSReceiver::KeyCollectionType

Enumerator
OWN_ONLY
INCLUDE_PROTOS

Definition at line 1636 of file objects.h.

1636 { OWN_ONLY, INCLUDE_PROTOS };

v8::internal::JSReceiver::INCLUDE_PROTOS

@ INCLUDE_PROTOS

Definition: objects.h:1636

v8::internal::JSReceiver::OWN_ONLY

@ OWN_ONLY

Definition: objects.h:1636

Member Function Documentation

◆ class_name()

String * v8::internal::JSReceiver::class_name ( )

Definition at line 1676 of file objects.cc.

                                {
   if (IsJSFunction() || IsJSFunctionProxy()) {
     return GetHeap()->Function_string();
   }
   if (map()->constructor()->IsJSFunction()) {
     JSFunction* constructor = JSFunction::cast(map()->constructor());
     return String::cast(constructor->shared()->instance_class_name());
   }
   // If the constructor is not present, return "Object".
   return GetHeap()->Object_string();
 }

Referenced by v8::internal::Logger::ApiIndexedPropertyAccess(), and v8::internal::Logger::ApiNamedPropertyAccess().

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◆ constructor_name()

String * v8::internal::JSReceiver::constructor_name ( )

Definition at line 1705 of file objects.cc.

                                      {
   return map()->constructor_name();
 }

Referenced by v8::internal::JSObject::JSObjectShortPrint().

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◆ DeleteElement()

MaybeHandle< Object > v8::internal::JSReceiver::DeleteElement	(	Handle< JSReceiver >	object,
		uint32_t	index,
		DeleteMode	mode = `NORMAL_DELETION`
	)

static

Definition at line 5002 of file objects.cc.

                                                                {
   if (object->IsJSProxy()) {
     return JSProxy::DeleteElementWithHandler(
         Handle<JSProxy>::cast(object), index, mode);
   }
   return JSObject::DeleteElement(Handle<JSObject>::cast(object), index, mode);
 }

References v8::internal::JSObject::DeleteElement(), v8::internal::JSProxy::DeleteElementWithHandler(), and mode().

Referenced by v8::Object::Delete(), and v8::internal::Runtime::DeleteObjectProperty().

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◆ DeleteProperty()

MaybeHandle< Object > v8::internal::JSReceiver::DeleteProperty	(	Handle< JSReceiver >	object,
		Handle< Name >	name,
		DeleteMode	mode = `NORMAL_DELETION`
	)

static

Definition at line 5013 of file objects.cc.

                                                                 {
   if (object->IsJSProxy()) {
     return JSProxy::DeletePropertyWithHandler(
         Handle<JSProxy>::cast(object), name, mode);
   }
   return JSObject::DeleteProperty(Handle<JSObject>::cast(object), name, mode);
 }

References v8::internal::JSObject::DeleteProperty(), v8::internal::JSProxy::DeletePropertyWithHandler(), mode(), and name.

Referenced by v8::internal::Runtime::DeleteObjectProperty(), and v8::internal::RUNTIME_FUNCTION().

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◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::JSReceiver::DISALLOW_IMPLICIT_CONSTRUCTORS ( JSReceiver )

private

◆ GetConstructor()

Object * v8::internal::JSReceiver::GetConstructor ( )

inline

Definition at line 6641 of file objects-inl.h.

                                    {
   return map()->constructor();
 }

References v8::internal::HeapObject::map().

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◆ GetElementAttribute()

Maybe< PropertyAttributes > v8::internal::JSReceiver::GetElementAttribute	(	Handle< JSReceiver >	object,
		uint32_t	index
	)

inlinestatic

Definition at line 6681 of file objects-inl.h.

                                                {
   if (object->IsJSProxy()) {
     return JSProxy::GetElementAttributeWithHandler(
         Handle<JSProxy>::cast(object), object, index);
   }
   return JSObject::GetElementAttributeWithReceiver(
       Handle<JSObject>::cast(object), object, index, true);
 }

References v8::internal::JSProxy::GetElementAttributeWithHandler(), and v8::internal::JSObject::GetElementAttributeWithReceiver().

Referenced by GetPropertyAttributes().

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◆ GetIdentityHash()

Object * v8::internal::JSReceiver::GetIdentityHash ( )

inline

Definition at line 6711 of file objects-inl.h.

                                     {
   return IsJSProxy()
       ? JSProxy::cast(this)->GetIdentityHash()
       : JSObject::cast(this)->GetIdentityHash();
 }

◆ GetKeys()

MaybeHandle< FixedArray > v8::internal::JSReceiver::GetKeys	(	Handle< JSReceiver >	object,
		KeyCollectionType	type
	)

static

Definition at line 5797 of file objects.cc.

                                                                     {
   USE(ContainsOnlyValidKeys);
   Isolate* isolate = object->GetIsolate();
   Handle<FixedArray> content = isolate->factory()->empty_fixed_array();
   Handle<JSFunction> arguments_function(
       JSFunction::cast(isolate->sloppy_arguments_map()->constructor()));
  
   // Only collect keys if access is permitted.
   for (PrototypeIterator iter(isolate, object,
                               PrototypeIterator::START_AT_RECEIVER);
        !iter.IsAtEnd(); iter.Advance()) {
     if (PrototypeIterator::GetCurrent(iter)->IsJSProxy()) {
       Handle<JSProxy> proxy(JSProxy::cast(*PrototypeIterator::GetCurrent(iter)),
                             isolate);
       Handle<Object> args[] = { proxy };
       Handle<Object> names;
       ASSIGN_RETURN_ON_EXCEPTION(
           isolate, names,
           Execution::Call(isolate,
                           isolate->proxy_enumerate(),
                           object,
                           arraysize(args),
                           args),
           FixedArray);
       ASSIGN_RETURN_ON_EXCEPTION(
           isolate, content,
           FixedArray::AddKeysFromArrayLike(
               content, Handle<JSObject>::cast(names)),
           FixedArray);
       break;
     }
  
     Handle<JSObject> current =
         Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter));
  
     // Check access rights if required.
     if (current->IsAccessCheckNeeded() &&
         !isolate->MayNamedAccess(
             current, isolate->factory()->undefined_value(), v8::ACCESS_KEYS)) {
       isolate->ReportFailedAccessCheck(current, v8::ACCESS_KEYS);
       RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION(isolate, FixedArray);
       break;
     }
  
     // Compute the element keys.
     Handle<FixedArray> element_keys =
         isolate->factory()->NewFixedArray(current->NumberOfEnumElements());
     current->GetEnumElementKeys(*element_keys);
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate, content,
         FixedArray::UnionOfKeys(content, element_keys),
         FixedArray);
     DCHECK(ContainsOnlyValidKeys(content));
  
     // Add the element keys from the interceptor.
     if (current->HasIndexedInterceptor()) {
       Handle<JSObject> result;
       if (JSObject::GetKeysForIndexedInterceptor(
               current, object).ToHandle(&result)) {
         ASSIGN_RETURN_ON_EXCEPTION(
             isolate, content,
             FixedArray::AddKeysFromArrayLike(content, result),
             FixedArray);
       }
       DCHECK(ContainsOnlyValidKeys(content));
     }
  
     // We can cache the computed property keys if access checks are
     // not needed and no interceptors are involved.
     //
     // We do not use the cache if the object has elements and
     // therefore it does not make sense to cache the property names
     // for arguments objects.  Arguments objects will always have
     // elements.
     // Wrapped strings have elements, but don't have an elements
     // array or dictionary.  So the fast inline test for whether to
     // use the cache says yes, so we should not create a cache.
     bool cache_enum_keys =
         ((current->map()->constructor() != *arguments_function) &&
          !current->IsJSValue() &&
          !current->IsAccessCheckNeeded() &&
          !current->HasNamedInterceptor() &&
          !current->HasIndexedInterceptor());
     // Compute the property keys and cache them if possible.
     ASSIGN_RETURN_ON_EXCEPTION(
         isolate, content,
         FixedArray::UnionOfKeys(
             content, GetEnumPropertyKeys(current, cache_enum_keys)),
         FixedArray);
     DCHECK(ContainsOnlyValidKeys(content));
  
     // Add the property keys from the interceptor.
     if (current->HasNamedInterceptor()) {
       Handle<JSObject> result;
       if (JSObject::GetKeysForNamedInterceptor(
               current, object).ToHandle(&result)) {
         ASSIGN_RETURN_ON_EXCEPTION(
             isolate, content,
             FixedArray::AddKeysFromArrayLike(content, result),
             FixedArray);
       }
       DCHECK(ContainsOnlyValidKeys(content));
     }
  
     // If we only want own properties we bail out after the first
     // iteration.
     if (type == OWN_ONLY) break;
   }
   return content;
 }

References v8::ACCESS_KEYS, v8::internal::FixedArray::AddKeysFromArrayLike(), arraysize, ASSIGN_RETURN_ON_EXCEPTION, v8::internal::Handle< T >::cast(), v8::internal::ContainsOnlyValidKeys(), DCHECK, v8::internal::Isolate::factory(), v8::internal::PrototypeIterator::GetCurrent(), v8::internal::GetEnumPropertyKeys(), v8::internal::JSObject::GetKeysForIndexedInterceptor(), v8::internal::JSObject::GetKeysForNamedInterceptor(), v8::internal::PrototypeIterator::IsAtEnd(), v8::internal::Isolate::MayNamedAccess(), v8::internal::Isolate::ReportFailedAccessCheck(), RETURN_EXCEPTION_IF_SCHEDULED_EXCEPTION, v8::internal::PrototypeIterator::START_AT_RECEIVER, v8::internal::FixedArray::UnionOfKeys(), and USE().

Referenced by v8::Object::GetOwnPropertyNames(), v8::Object::GetPropertyNames(), v8::internal::MaterializeClosure(), v8::internal::MaterializeLocalContext(), and v8::internal::RUNTIME_FUNCTION().

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◆ GetOrCreateIdentityHash()

Handle< Smi > v8::internal::JSReceiver::GetOrCreateIdentityHash ( Handle< JSReceiver > object )

inlinestatic

Definition at line 6704 of file objects-inl.h.

                                                                          {
   return object->IsJSProxy()
       ? JSProxy::GetOrCreateIdentityHash(Handle<JSProxy>::cast(object))
       : JSObject::GetOrCreateIdentityHash(Handle<JSObject>::cast(object));
 }

References v8::internal::JSObject::GetOrCreateIdentityHash(), and v8::internal::JSProxy::GetOrCreateIdentityHash().

Referenced by v8::Object::GetIdentityHash(), and v8::internal::Object::GetOrCreateHash().

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◆ GetOwnElementAttribute()

Maybe< PropertyAttributes > v8::internal::JSReceiver::GetOwnElementAttribute	(	Handle< JSReceiver >	object,
		uint32_t	index
	)

inlinestatic

Definition at line 6743 of file objects-inl.h.

                                                {
   if (object->IsJSProxy()) {
     return JSProxy::GetElementAttributeWithHandler(
         Handle<JSProxy>::cast(object), object, index);
   }
   return JSObject::GetElementAttributeWithReceiver(
       Handle<JSObject>::cast(object), object, index, false);
 }

References v8::internal::JSProxy::GetElementAttributeWithHandler(), and v8::internal::JSObject::GetElementAttributeWithReceiver().

Referenced by v8::internal::GetOldValue(), v8::internal::GetOwnProperty(), and v8::internal::JSObject::SetElement().

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◆ GetOwnPropertyAttributes()

Maybe< PropertyAttributes > v8::internal::JSReceiver::GetOwnPropertyAttributes	(	Handle< JSReceiver >	object,
		Handle< Name >	name
	)

static

Definition at line 3983 of file objects.cc.

                                                   {
   // Check whether the name is an array index.
   uint32_t index = 0;
   if (object->IsJSObject() && name->AsArrayIndex(&index)) {
     return GetOwnElementAttribute(object, index);
   }
   LookupIterator it(object, name, LookupIterator::HIDDEN);
   return GetPropertyAttributes(&it);
 }

References v8::internal::Object::LookupIterator, and name.

Referenced by HasOwnProperty(), v8::internal::Context::Lookup(), v8::internal::RUNTIME_FUNCTION(), and v8::internal::JSObjectWalkVisitor< ContextObject >::StructureWalk().

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◆ GetPropertyAttributes() [1/2]

Maybe< PropertyAttributes > v8::internal::JSReceiver::GetPropertyAttributes	(	Handle< JSReceiver >	object,
		Handle< Name >	name
	)

inlinestatic

Definition at line 6670 of file objects-inl.h.

                                                  {
   uint32_t index;
   if (object->IsJSObject() && key->AsArrayIndex(&index)) {
     return GetElementAttribute(object, index);
   }
   LookupIterator it(object, key);
   return GetPropertyAttributes(&it);
 }

References GetElementAttribute(), and v8::internal::Object::LookupIterator.

Referenced by v8::internal::DeclareGlobals(), v8::internal::GetOwnProperty(), v8::Object::GetPropertyAttributes(), HasProperty(), v8::internal::Context::Lookup(), v8::internal::RUNTIME_FUNCTION(), and v8::internal::UnscopableLookup().

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◆ GetPropertyAttributes() [2/2]

Maybe< PropertyAttributes > v8::internal::JSReceiver::GetPropertyAttributes ( LookupIterator * it )

static

Definition at line 3995 of file objects.cc.

                         {
   for (; it->IsFound(); it->Next()) {
     switch (it->state()) {
       case LookupIterator::NOT_FOUND:
       case LookupIterator::TRANSITION:
         UNREACHABLE();
       case LookupIterator::JSPROXY:
         return JSProxy::GetPropertyAttributesWithHandler(
             it->GetHolder<JSProxy>(), it->GetReceiver(), it->name());
       case LookupIterator::INTERCEPTOR: {
         Maybe<PropertyAttributes> result =
             JSObject::GetPropertyAttributesWithInterceptor(
                 it->GetHolder<JSObject>(), it->GetReceiver(), it->name());
         if (!result.has_value) return result;
         if (result.value != ABSENT) return result;
         break;
       }
       case LookupIterator::ACCESS_CHECK:
         if (it->HasAccess(v8::ACCESS_HAS)) break;
         return JSObject::GetPropertyAttributesWithFailedAccessCheck(it);
       case LookupIterator::ACCESSOR:
       case LookupIterator::DATA:
         return maybe(it->property_details().attributes());
     }
   }
   return maybe(ABSENT);
 }

References ABSENT, v8::ACCESS_HAS, v8::internal::ACCESSOR, v8::internal::JSObject::GetPropertyAttributesWithFailedAccessCheck(), v8::internal::JSProxy::GetPropertyAttributesWithHandler(), v8::internal::JSObject::GetPropertyAttributesWithInterceptor(), v8::Maybe< T >::has_value, v8::maybe(), UNREACHABLE, and v8::Maybe< T >::value.

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◆ HasElement()

Maybe< bool > v8::internal::JSReceiver::HasElement	(	Handle< JSReceiver >	object,
		uint32_t	index
	)

inlinestatic

Definition at line 6718 of file objects-inl.h.

                                                                             {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasElementWithHandler(proxy, index);
   }
   Maybe<PropertyAttributes> result = JSObject::GetElementAttributeWithReceiver(
       Handle<JSObject>::cast(object), object, index, true);
   if (!result.has_value) return Maybe<bool>();
   return maybe(result.value != ABSENT);
 }

References ABSENT, v8::internal::Handle< T >::cast(), v8::internal::JSObject::GetElementAttributeWithReceiver(), v8::Maybe< T >::has_value, v8::internal::JSProxy::HasElementWithHandler(), v8::maybe(), and v8::Maybe< T >::value.

Referenced by v8::Object::Has(), v8::internal::Runtime::HasObjectProperty(), v8::internal::IterateElements(), and v8::internal::RUNTIME_FUNCTION().

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◆ HasOwnElement()

Maybe< bool > v8::internal::JSReceiver::HasOwnElement	(	Handle< JSReceiver >	object,
		uint32_t	index
	)

inlinestatic

Definition at line 6730 of file objects-inl.h.

                                                       {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasElementWithHandler(proxy, index);
   }
   Maybe<PropertyAttributes> result = JSObject::GetElementAttributeWithReceiver(
       Handle<JSObject>::cast(object), object, index, false);
   if (!result.has_value) return Maybe<bool>();
   return maybe(result.value != ABSENT);
 }

References ABSENT, v8::internal::Handle< T >::cast(), v8::internal::JSObject::GetElementAttributeWithReceiver(), v8::Maybe< T >::has_value, v8::internal::JSProxy::HasElementWithHandler(), v8::maybe(), and v8::Maybe< T >::value.

Referenced by v8::internal::RUNTIME_FUNCTION().

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◆ HasOwnProperty()

Maybe< bool > v8::internal::JSReceiver::HasOwnProperty	(	Handle< JSReceiver >	object,
		Handle< Name >	name
	)

inlinestatic

Definition at line 6658 of file objects-inl.h.

                                                           {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
   Maybe<PropertyAttributes> result = GetOwnPropertyAttributes(object, name);
   if (!result.has_value) return Maybe<bool>();
   return maybe(result.value != ABSENT);
 }

References ABSENT, v8::internal::Handle< T >::cast(), GetOwnPropertyAttributes(), v8::Maybe< T >::has_value, v8::internal::JSProxy::HasPropertyWithHandler(), v8::maybe(), name, and v8::Maybe< T >::value.

Referenced by v8::Object::HasOwnProperty(), v8::internal::HasOwnPropertyImplementation(), v8::internal::MaterializeArgumentsObject(), v8::internal::anonymous_namespace{i18n.cc}::SetResolvedNumberSettings(), v8::internal::BreakIterator::UnpackBreakIterator(), v8::internal::Collator::UnpackCollator(), v8::internal::DateFormat::UnpackDateFormat(), and v8::internal::NumberFormat::UnpackNumberFormat().

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◆ HasProperty()

Maybe< bool > v8::internal::JSReceiver::HasProperty	(	Handle< JSReceiver >	object,
		Handle< Name >	name
	)

inlinestatic

Definition at line 6646 of file objects-inl.h.

                                                        {
   if (object->IsJSProxy()) {
     Handle<JSProxy> proxy = Handle<JSProxy>::cast(object);
     return JSProxy::HasPropertyWithHandler(proxy, name);
   }
   Maybe<PropertyAttributes> result = GetPropertyAttributes(object, name);
   if (!result.has_value) return Maybe<bool>();
   return maybe(result.value != ABSENT);
 }

References ABSENT, v8::internal::Handle< T >::cast(), GetPropertyAttributes(), v8::Maybe< T >::has_value, v8::internal::JSProxy::HasPropertyWithHandler(), v8::maybe(), name, and v8::Maybe< T >::value.

Referenced by v8::internal::Runtime::HasObjectProperty(), v8::internal::LoadLookupSlotHelper(), v8::internal::RUNTIME_FUNCTION(), v8::internal::SetClosureVariableValue(), v8::internal::SetLocalVariableValue(), v8::TryCatch::StackTrace(), and v8::internal::UnscopableLookup().

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◆ IsSimpleEnum()

bool v8::internal::JSReceiver::IsSimpleEnum ( )

Definition at line 5610 of file objects.cc.

                               {
   for (PrototypeIterator iter(GetIsolate(), this,
                               PrototypeIterator::START_AT_RECEIVER);
        !iter.IsAtEnd(); iter.Advance()) {
     if (!iter.GetCurrent()->IsJSObject()) return false;
     JSObject* curr = JSObject::cast(iter.GetCurrent());
     int enum_length = curr->map()->EnumLength();
     if (enum_length == kInvalidEnumCacheSentinel) return false;
     if (curr->IsAccessCheckNeeded()) return false;
     DCHECK(!curr->HasNamedInterceptor());
     DCHECK(!curr->HasIndexedInterceptor());
     if (curr->NumberOfEnumElements() > 0) return false;
     if (curr != this && enum_length != 0) return false;
   }
   return true;
 }

References DCHECK, v8::internal::Map::EnumLength(), v8::internal::HeapObject::GetIsolate(), v8::internal::JSObject::HasIndexedInterceptor(), v8::internal::JSObject::HasNamedInterceptor(), v8::internal::PrototypeIterator::IsAtEnd(), v8::internal::kInvalidEnumCacheSentinel, v8::internal::HeapObject::map(), v8::internal::JSObject::NumberOfEnumElements(), and v8::internal::PrototypeIterator::START_AT_RECEIVER.

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◆ SetElement()

MaybeHandle< Object > v8::internal::JSReceiver::SetElement	(	Handle< JSReceiver >	object,
		uint32_t	index,
		Handle< Object >	value,
		PropertyAttributes	attributes,
		StrictMode	strict_mode
	)

static

Definition at line 12313 of file objects.cc.

                                                                    {
   if (object->IsJSProxy()) {
     return JSProxy::SetElementWithHandler(
         Handle<JSProxy>::cast(object), object, index, value, strict_mode);
   }
   return JSObject::SetElement(
       Handle<JSObject>::cast(object), index, value, attributes, strict_mode);
 }

References v8::internal::JSObject::SetElement(), and v8::internal::JSProxy::SetElementWithHandler().

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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 Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ DeleteMode

◆ KeyCollectionType

Member Function Documentation

◆ class_name()

◆ constructor_name()

◆ DeleteElement()

◆ DeleteProperty()

◆ DISALLOW_IMPLICIT_CONSTRUCTORS()

◆ GetConstructor()

◆ GetElementAttribute()

◆ GetIdentityHash()

◆ GetKeys()

◆ GetOrCreateIdentityHash()

◆ GetOwnElementAttribute()

◆ GetOwnPropertyAttributes()

◆ GetPropertyAttributes() [1/2]

◆ GetPropertyAttributes() [2/2]

◆ HasElement()

◆ HasOwnElement()

◆ HasOwnProperty()

◆ HasProperty()

◆ IsSimpleEnum()

◆ SetElement()