#include <heap-visitor.h>

Inheritance diagram for v8::internal::HeapVisitor< ConcreteVisitor >:

Collaboration diagram for v8::internal::HeapVisitor< ConcreteVisitor >:

Public Member Functions
	HeapVisitor (LocalIsolate *isolate)

	HeapVisitor (Isolate *isolate)

	HeapVisitor (Heap *heap)

V8_INLINE size_t	Visit (Tagged< HeapObject > object)

V8_INLINE size_t	Visit (Tagged< Map > map, Tagged< HeapObject > object)

V8_INLINE size_t	Visit (Tagged< Map > map, Tagged< HeapObject > object, int object_size)

template<typename T >
Tagged< T >	Cast (Tagged< HeapObject > object, const Heap *heap)

template<VisitorId visitor_id>
void	VisitMapPointerIfNeeded (Tagged< HeapObject > host)

template<typename T , typename TBodyDescriptor >
size_t	VisitJSObjectSubclass (Tagged< Map > map, Tagged< T > object, MaybeObjectSize maybe_object_size)

template<VisitorId visitor_id, typename T , typename TBodyDescriptor >
size_t	VisitWithBodyDescriptor (Tagged< Map > map, Tagged< T > object, MaybeObjectSize maybe_object_size)

Public Member Functions inherited from v8::internal::ObjectVisitorWithCageBases
	ObjectVisitorWithCageBases (PtrComprCageBase cage_base, PtrComprCageBase code_cage_base)

	ObjectVisitorWithCageBases (Isolate *isolate)

	ObjectVisitorWithCageBases (Heap *heap)

PtrComprCageBase	cage_base () const

PtrComprCageBase	code_cage_base () const

Public Member Functions inherited from v8::internal::ObjectVisitor
virtual	~ObjectVisitor ()=default

virtual void	VisitPointers (Tagged< HeapObject > host, ObjectSlot start, ObjectSlot end)=0

virtual void	VisitPointers (Tagged< HeapObject > host, MaybeObjectSlot start, MaybeObjectSlot end)=0

virtual void	VisitInstructionStreamPointer (Tagged< Code > host, InstructionStreamSlot slot)=0

virtual void	VisitCustomWeakPointers (Tagged< HeapObject > host, ObjectSlot start, ObjectSlot end)

virtual void	VisitPointer (Tagged< HeapObject > host, ObjectSlot p)

virtual void	VisitPointer (Tagged< HeapObject > host, MaybeObjectSlot p)

virtual void	VisitCustomWeakPointer (Tagged< HeapObject > host, ObjectSlot p)

virtual void	VisitEphemeron (Tagged< HeapObject > host, int index, ObjectSlot key, ObjectSlot value)

void	VisitRelocInfo (Tagged< InstructionStream > host, RelocIterator *it)

virtual void	VisitCodeTarget (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitEmbeddedPointer (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitExternalReference (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitInternalReference (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitOffHeapTarget (Tagged< InstructionStream > host, RelocInfo *rinfo)

virtual void	VisitExternalPointer (Tagged< HeapObject > host, ExternalPointerSlot slot)

virtual void	VisitCppHeapPointer (Tagged< HeapObject > host, CppHeapPointerSlot slot)

virtual void	VisitIndirectPointer (Tagged< HeapObject > host, IndirectPointerSlot slot, IndirectPointerMode mode)

virtual void	VisitProtectedPointer (Tagged< TrustedObject > host, ProtectedPointerSlot slot)

virtual void	VisitProtectedPointer (Tagged< TrustedObject > host, ProtectedMaybeObjectSlot slot)

virtual void	VisitTrustedPointerTableEntry (Tagged< HeapObject > host, IndirectPointerSlot slot)

virtual void	VisitJSDispatchTableEntry (Tagged< HeapObject > host, JSDispatchHandle handle)

virtual void	VisitMapPointer (Tagged< HeapObject > host)

Protected Member Functions
V8_INLINE size_t	Visit (Tagged< Map > map, Tagged< HeapObject > object, MaybeObjectSize maybe_object_size)

template<VisitorId visitor_id>
V8_INLINE void	VisitMapPointerIfNeeded (Tagged< HeapObject > host)

ConcreteVisitor *	concrete_visitor ()

const ConcreteVisitor *	concrete_visitor () const

V8_INLINE size_t	VisitShortcutCandidate (Tagged< Map > map, Tagged< ConsString > object, MaybeObjectSize maybe_object_size)

V8_INLINE size_t	VisitJSObjectFast (Tagged< Map > map, Tagged< JSObject > object, MaybeObjectSize maybe_object_size)

V8_INLINE size_t	VisitJSApiObject (Tagged< Map > map, Tagged< JSObject > object, MaybeObjectSize maybe_object_size)

V8_INLINE size_t	VisitStruct (Tagged< Map > map, Tagged< HeapObject > object, MaybeObjectSize maybe_object_size)

V8_INLINE size_t	VisitFiller (Tagged< Map > map, Tagged< HeapObject > object, MaybeObjectSize maybe_object_size)

V8_INLINE size_t	VisitFreeSpace (Tagged< Map > map, Tagged< FreeSpace > object, MaybeObjectSize maybe_object_size)

template<typename T , typename TBodyDescriptor = typename T::BodyDescriptor>
V8_INLINE size_t	VisitJSObjectSubclass (Tagged< Map > map, Tagged< T > object, MaybeObjectSize maybe_object_size)

template<VisitorId visitor_id, typename T , typename TBodyDescriptor = typename T::BodyDescriptor>
V8_INLINE size_t	VisitWithBodyDescriptor (Tagged< Map > map, Tagged< T > object, MaybeObjectSize maybe_object_size)

template<typename TSlot >
std::optional< Tagged< Object > >	GetObjectFilterReadOnlyAndSmiFast (TSlot slot) const

Static Protected Member Functions
static V8_INLINE constexpr bool	ShouldVisitMapPointer ()

static V8_INLINE constexpr bool	ShouldVisitReadOnlyMapPointer ()

static V8_INLINE constexpr bool	CanEncounterFillerOrFreeSpace ()

static V8_INLINE constexpr bool	ShouldUseUncheckedCast ()

static V8_INLINE constexpr bool	EnableConcurrentVisitation ()

static V8_INLINE constexpr bool	UsePrecomputedObjectSize ()

static V8_INLINE constexpr bool	ShouldVisitFullJSObject ()

template<typename T >
static V8_INLINE Tagged< T >	Cast (Tagged< HeapObject > object, const Heap *heap)

Protected Attributes
const Heap *	heap_

Detailed Description

template<typename ConcreteVisitor>
class v8::internal::HeapVisitor< ConcreteVisitor >

Definition at line 194 of file heap-visitor.h.

Constructor & Destructor Documentation

◆ HeapVisitor() [1/3]

template<typename ConcreteVisitor >

v8::internal::HeapVisitor< ConcreteVisitor >::HeapVisitor ( LocalIsolate * isolate )

inlineexplicit

Definition at line 73 of file heap-visitor-inl.h.

◆ HeapVisitor() [2/3]

template<typename ConcreteVisitor >

v8::internal::HeapVisitor< ConcreteVisitor >::HeapVisitor ( Isolate * isolate )

inlineexplicit

Definition at line 79 of file heap-visitor-inl.h.

◆ HeapVisitor() [3/3]

template<typename ConcreteVisitor >

v8::internal::HeapVisitor< ConcreteVisitor >::HeapVisitor ( Heap * heap )

inlineexplicit

Definition at line 83 of file heap-visitor-inl.h.

Member Function Documentation

◆ CanEncounterFillerOrFreeSpace()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::CanEncounterFillerOrFreeSpace ( )

inlinestaticconstexprprotected

Definition at line 224 of file heap-visitor.h.

◆ Cast() [1/2]

template<typename ConcreteVisitor >

template<typename T >

Tagged< T > v8::internal::HeapVisitor< ConcreteVisitor >::Cast	(	Tagged< HeapObject >	object,
		const Heap *	heap )

Definition at line 88 of file heap-visitor-inl.h.

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◆ Cast() [2/2]

template<typename ConcreteVisitor >

template<typename T >

static V8_INLINE Tagged< T > v8::internal::HeapVisitor< ConcreteVisitor >::Cast	(	Tagged< HeapObject >	object,
		const Heap *	heap )

staticprotected

◆ concrete_visitor() [1/2]

template<typename ConcreteVisitor >

ConcreteVisitor * v8::internal::HeapVisitor< ConcreteVisitor >::concrete_visitor ( )

inlineprotected

Definition at line 246 of file heap-visitor.h.

◆ concrete_visitor() [2/2]

template<typename ConcreteVisitor >

const ConcreteVisitor * v8::internal::HeapVisitor< ConcreteVisitor >::concrete_visitor ( ) const

inlineprotected

Definition at line 250 of file heap-visitor.h.

◆ EnableConcurrentVisitation()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::EnableConcurrentVisitation ( )

inlinestaticconstexprprotected

Definition at line 233 of file heap-visitor.h.

◆ GetObjectFilterReadOnlyAndSmiFast()

template<typename ConcreteVisitor >

template<typename TSlot >

std::optional< Tagged< Object > > v8::internal::HeapVisitor< ConcreteVisitor >::GetObjectFilterReadOnlyAndSmiFast ( TSlot slot ) const

protected

Definition at line 370 of file heap-visitor-inl.h.

◆ ShouldUseUncheckedCast()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::ShouldUseUncheckedCast ( )

inlinestaticconstexprprotected

Definition at line 229 of file heap-visitor.h.

◆ ShouldVisitFullJSObject()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::ShouldVisitFullJSObject ( )

inlinestaticconstexprprotected

Definition at line 244 of file heap-visitor.h.

◆ ShouldVisitMapPointer()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::ShouldVisitMapPointer ( )

inlinestaticconstexprprotected

Definition at line 216 of file heap-visitor.h.

◆ ShouldVisitReadOnlyMapPointer()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::ShouldVisitReadOnlyMapPointer ( )

inlinestaticconstexprprotected

Definition at line 219 of file heap-visitor.h.

◆ UsePrecomputedObjectSize()

template<typename ConcreteVisitor >

static V8_INLINE constexpr bool v8::internal::HeapVisitor< ConcreteVisitor >::UsePrecomputedObjectSize ( )

inlinestaticconstexprprotected

Definition at line 236 of file heap-visitor.h.

◆ Visit() [1/4]

template<typename ConcreteVisitor >
requires (!ConcreteVisitor::UsePrecomputedObjectSize())

size_t v8::internal::HeapVisitor< ConcreteVisitor >::Visit ( Tagged< HeapObject > object )

Definition at line 97 of file heap-visitor-inl.h.

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◆ Visit() [2/4]

template<typename ConcreteVisitor >
requires (!ConcreteVisitor::UsePrecomputedObjectSize())

size_t v8::internal::HeapVisitor< ConcreteVisitor >::Visit	(	Tagged< Map >	map,
		Tagged< HeapObject >	object )

Definition at line 104 of file heap-visitor-inl.h.

◆ Visit() [3/4]

template<typename ConcreteVisitor >
requires (ConcreteVisitor::UsePrecomputedObjectSize())

size_t v8::internal::HeapVisitor< ConcreteVisitor >::Visit	(	Tagged< Map >	map,
		Tagged< HeapObject >	object,
		int	object_size )

Definition at line 112 of file heap-visitor-inl.h.

◆ Visit() [4/4]

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::Visit	(	Tagged< Map >	map,
		Tagged< HeapObject >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 121 of file heap-visitor-inl.h.

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◆ VisitFiller()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitFiller	(	Tagged< Map >	map,
		Tagged< HeapObject >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 246 of file heap-visitor-inl.h.

◆ VisitFreeSpace()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitFreeSpace	(	Tagged< Map >	map,
		Tagged< FreeSpace >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 260 of file heap-visitor-inl.h.

◆ VisitJSApiObject()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitJSApiObject	(	Tagged< Map >	map,
		Tagged< JSObject >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 281 of file heap-visitor-inl.h.

◆ VisitJSObjectFast()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitJSObjectFast	(	Tagged< Map >	map,
		Tagged< JSObject >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 272 of file heap-visitor-inl.h.

◆ VisitJSObjectSubclass() [1/2]

template<typename ConcreteVisitor >

template<typename T , typename TBodyDescriptor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitJSObjectSubclass	(	Tagged< Map >	map,
		Tagged< T >	object,
		MaybeObjectSize	maybe_object_size )

Definition at line 305 of file heap-visitor-inl.h.

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◆ VisitJSObjectSubclass() [2/2]

template<typename ConcreteVisitor >

template<typename T , typename TBodyDescriptor = typename T::BodyDescriptor>

V8_INLINE size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitJSObjectSubclass	(	Tagged< Map >	map,
		Tagged< T >	object,
		MaybeObjectSize	maybe_object_size )

protected

◆ VisitMapPointerIfNeeded() [1/2]

template<typename ConcreteVisitor >

template<VisitorId visitor_id>

void v8::internal::HeapVisitor< ConcreteVisitor >::VisitMapPointerIfNeeded ( Tagged< HeapObject > host )

Definition at line 194 of file heap-visitor-inl.h.

◆ VisitMapPointerIfNeeded() [2/2]

template<typename ConcreteVisitor >

template<VisitorId visitor_id>

V8_INLINE void v8::internal::HeapVisitor< ConcreteVisitor >::VisitMapPointerIfNeeded ( Tagged< HeapObject > host )

protected

◆ VisitShortcutCandidate()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitShortcutCandidate	(	Tagged< Map >	map,
		Tagged< ConsString >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 238 of file heap-visitor-inl.h.

◆ VisitStruct()

template<typename ConcreteVisitor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitStruct	(	Tagged< Map >	map,
		Tagged< HeapObject >	object,
		MaybeObjectSize	maybe_object_size )

protected

Definition at line 291 of file heap-visitor-inl.h.

◆ VisitWithBodyDescriptor() [1/2]

template<typename ConcreteVisitor >

template<VisitorId visitor_id, typename T , typename TBodyDescriptor >

size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitWithBodyDescriptor	(	Tagged< Map >	map,
		Tagged< T >	object,
		MaybeObjectSize	maybe_object_size )

Definition at line 340 of file heap-visitor-inl.h.

◆ VisitWithBodyDescriptor() [2/2]

template<typename ConcreteVisitor >

template<VisitorId visitor_id, typename T , typename TBodyDescriptor = typename T::BodyDescriptor>

V8_INLINE size_t v8::internal::HeapVisitor< ConcreteVisitor >::VisitWithBodyDescriptor	(	Tagged< Map >	map,
		Tagged< T >	object,
		MaybeObjectSize	maybe_object_size )

protected

Member Data Documentation

◆ heap_

template<typename ConcreteVisitor >

const Heap* v8::internal::HeapVisitor< ConcreteVisitor >::heap_

protected

Definition at line 295 of file heap-visitor.h.

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

src/heap/heap-visitor.h
src/heap/heap-visitor-inl.h

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ HeapVisitor() [1/3]

◆ HeapVisitor() [2/3]

◆ HeapVisitor() [3/3]

Member Function Documentation

◆ CanEncounterFillerOrFreeSpace()

◆ Cast() [1/2]

◆ Cast() [2/2]

◆ concrete_visitor() [1/2]

◆ concrete_visitor() [2/2]

◆ EnableConcurrentVisitation()

◆ GetObjectFilterReadOnlyAndSmiFast()

◆ ShouldUseUncheckedCast()

◆ ShouldVisitFullJSObject()

◆ ShouldVisitMapPointer()

◆ ShouldVisitReadOnlyMapPointer()

◆ UsePrecomputedObjectSize()

◆ Visit() [1/4]

◆ Visit() [2/4]

◆ Visit() [3/4]

◆ Visit() [4/4]

◆ VisitFiller()

◆ VisitFreeSpace()

◆ VisitJSApiObject()

◆ VisitJSObjectFast()

◆ VisitJSObjectSubclass() [1/2]

◆ VisitJSObjectSubclass() [2/2]

◆ VisitMapPointerIfNeeded() [1/2]

◆ VisitMapPointerIfNeeded() [2/2]

◆ VisitShortcutCandidate()

◆ VisitStruct()

◆ VisitWithBodyDescriptor() [1/2]

◆ VisitWithBodyDescriptor() [2/2]

Member Data Documentation

◆ heap_