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

#include <ic.h>

Inheritance diagram for v8::internal::LoadIC:
Collaboration diagram for v8::internal::LoadIC:

Public Member Functions

 LoadIC (Isolate *isolate, Handle< FeedbackVector > vector, FeedbackSlot slot, FeedbackSlotKind kind)
 
bool ShouldThrowReferenceError () const
 
V8_WARN_UNUSED_RESULT MaybeDirectHandle< Object > Load (Handle< JSAny > object, Handle< Name > name, bool update_feedback=true, DirectHandle< JSAny > receiver=DirectHandle< JSAny >())
 
- Public Member Functions inherited from v8::internal::IC
 IC (Isolate *isolate, Handle< FeedbackVector > vector, FeedbackSlot slot, FeedbackSlotKind kind)
 
virtual ~IC ()=default
 
State state () const
 
void UpdateState (DirectHandle< Object > lookup_start_object, DirectHandle< Object > name)
 
bool RecomputeHandlerForName (DirectHandle< Object > name)
 
void MarkRecomputeHandler (DirectHandle< Object > name)
 
bool IsAnyHas () const
 
bool IsAnyLoad () const
 
bool IsAnyStore () const
 
bool IsAnyDefineOwn () const
 
void OnFeedbackChanged (const char *reason)
 

Static Public Member Functions

static bool ShouldThrowReferenceError (FeedbackSlotKind kind)
 
- Static Public Member Functions inherited from v8::internal::IC
static bool IsHandler (Tagged< MaybeObject > object)
 
static void OnFeedbackChanged (Isolate *isolate, Tagged< FeedbackVector > vector, FeedbackSlot slot, const char *reason)
 

Protected Member Functions

void UpdateCaches (LookupIterator *lookup)
 
- Protected Member Functions inherited from v8::internal::IC
void set_slow_stub_reason (const char *reason)
 
void set_accessor (Handle< Object > accessor)
 
MaybeHandle< Object > accessor () const
 
Isolate * isolate () const
 
bool is_vector_set ()
 
bool vector_needs_update ()
 
bool ConfigureVectorState (IC::State new_state, DirectHandle< Object > key)
 
void ConfigureVectorState (DirectHandle< Name > name, DirectHandle< Map > map, DirectHandle< Object > handler)
 
void ConfigureVectorState (DirectHandle< Name > name, DirectHandle< Map > map, const MaybeObjectDirectHandle &handler)
 
void ConfigureVectorState (DirectHandle< Name > name, MapHandlesSpan maps, MaybeObjectHandles *handlers)
 
void ConfigureVectorState (DirectHandle< Name > name, MapsAndHandlers const &maps_and_handlers)
 
char TransitionMarkFromState (IC::State state)
 
void TraceIC (const char *type, DirectHandle< Object > name)
 
void TraceIC (const char *type, DirectHandle< Object > name, State old_state, State new_state)
 
MaybeDirectHandle< Object > TypeError (MessageTemplate, Handle< Object > object, Handle< Object > key)
 
MaybeDirectHandle< Object > ReferenceError (Handle< Name > name)
 
void UpdateMonomorphicIC (const MaybeObjectDirectHandle &handler, DirectHandle< Name > name)
 
bool UpdateMegaDOMIC (const MaybeObjectDirectHandle &handler, DirectHandle< Name > name)
 
bool UpdatePolymorphicIC (DirectHandle< Name > name, const MaybeObjectDirectHandle &handler)
 
void UpdateMegamorphicCache (DirectHandle< Map > map, DirectHandle< Name > name, const MaybeObjectDirectHandle &handler)
 
StubCache * stub_cache ()
 
void CopyICToMegamorphicCache (DirectHandle< Name > name)
 
bool IsTransitionOfMonomorphicTarget (Tagged< Map > source_map, Tagged< Map > target_map)
 
void SetCache (DirectHandle< Name > name, Handle< Object > handler)
 
void SetCache (DirectHandle< Name > name, const MaybeObjectHandle &handler)
 
FeedbackSlotKind kind () const
 
bool IsGlobalIC () const
 
bool IsLoadIC () const
 
bool IsLoadGlobalIC () const
 
bool IsKeyedLoadIC () const
 
bool IsStoreGlobalIC () const
 
bool IsSetNamedIC () const
 
bool IsDefineNamedOwnIC () const
 
bool IsStoreInArrayLiteralIC () const
 
bool IsKeyedStoreIC () const
 
bool IsKeyedHasIC () const
 
bool IsDefineKeyedOwnIC () const
 
bool is_keyed () const
 
bool ShouldRecomputeHandler (DirectHandle< String > name)
 
Handle< Map > lookup_start_object_map ()
 
void update_lookup_start_object_map (DirectHandle< Object > object)
 
void TargetMaps (MapHandles *list)
 
Tagged< Map > FirstTargetMap ()
 
const FeedbackNexus * nexus () const
 
FeedbackNexus * nexus ()
 

Private Member Functions

MaybeObjectHandle ComputeHandler (LookupIterator *lookup)
 

Friends

class IC
 
class NamedLoadHandlerCompiler
 

Additional Inherited Members

- Public Types inherited from v8::internal::IC
using State = InlineCacheState
 

Detailed Description

Definition at line 184 of file ic.h.

Constructor & Destructor Documentation

◆ LoadIC()

v8::internal::LoadIC::LoadIC ( Isolate * isolate,
Handle< FeedbackVector > vector,
FeedbackSlot slot,
FeedbackSlotKind kind )
inline

Definition at line 186 of file ic.h.

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Member Function Documentation

◆ ComputeHandler()

MaybeObjectHandle v8::internal::LoadIC::ComputeHandler ( LookupIterator * lookup)
private

Definition at line 846 of file ic.cc.

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◆ Load()

MaybeDirectHandle< Object > v8::internal::LoadIC::Load ( Handle< JSAny > object,
Handle< Name > name,
bool update_feedback = true,
DirectHandle< JSAny > receiver = DirectHandle<JSAny>() )

Definition at line 386 of file ic.cc.

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◆ ShouldThrowReferenceError() [1/2]

bool v8::internal::LoadIC::ShouldThrowReferenceError ( ) const
inline

Definition at line 196 of file ic.h.

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◆ ShouldThrowReferenceError() [2/2]

static bool v8::internal::LoadIC::ShouldThrowReferenceError ( FeedbackSlotKind kind)
inlinestatic

Definition at line 192 of file ic.h.

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◆ UpdateCaches()

void v8::internal::LoadIC::UpdateCaches ( LookupIterator * lookup)
protected

Definition at line 778 of file ic.cc.

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Friends And Related Symbol Documentation

◆ IC

friend class IC
friend

Definition at line 213 of file ic.h.

◆ NamedLoadHandlerCompiler

friend class NamedLoadHandlerCompiler
friend

Definition at line 214 of file ic.h.

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