dart::StoreBufferForwardingVisitor Class Reference

Inheritance diagram for dart::StoreBufferForwardingVisitor:

Public Member Functions
	StoreBufferForwardingVisitor (IsolateGroup *isolate_group, IncrementalForwardingVisitor *visitor)
void	VisitPointers (ObjectPtr *first, ObjectPtr *last) override
Public Member Functions inherited from dart::ObjectPointerVisitor
	ObjectPointerVisitor (IsolateGroup *isolate_group)
virtual	~ObjectPointerVisitor ()
IsolateGroup *	isolate_group () const
virtual void	VisitTypedDataViewPointers (TypedDataViewPtr view, CompressedObjectPtr *first, CompressedObjectPtr *last)
virtual void	VisitPointers (ObjectPtr *first, ObjectPtr *last)=0
void	VisitCompressedPointers (uword heap_base, CompressedObjectPtr *first, CompressedObjectPtr *last)
void	VisitPointers (ObjectPtr *p, intptr_t len)
void	VisitPointer (ObjectPtr *p)
const char *	gc_root_type () const
void	set_gc_root_type (const char *gc_root_type)
void	clear_gc_root_type ()
virtual bool	visit_weak_persistent_handles () const
virtual bool	trace_values_through_fields () const
const ClassTable *	class_table () const
virtual bool	CanVisitSuspendStatePointers (SuspendStatePtr suspend_state)

Detailed Description

Definition at line 513 of file incremental_compactor.cc.

Constructor & Destructor Documentation

StoreBufferForwardingVisitor()

dart::StoreBufferForwardingVisitor::StoreBufferForwardingVisitor ( IsolateGroup *  isolate_group, IncrementalForwardingVisitor *  visitor  )

inline

Definition at line 515 of file incremental_compactor.cc.

      : ObjectPointerVisitor(isolate_group), visitor_(visitor) {}

Member Function Documentation

VisitPointers()

void dart::StoreBufferForwardingVisitor::VisitPointers ( ObjectPtr *  first, ObjectPtr *  last  )

inlineoverridevirtual

Implements dart::ObjectPointerVisitor.

Definition at line 519 of file incremental_compactor.cc.

                                                                 {
    for (ObjectPtr* ptr = first; ptr <= last; ptr++) {
      ObjectPtr obj = *ptr;
      ASSERT(!obj->IsImmediateOrNewObject());
 
      if (obj->IsForwardingCorpse()) {
        ASSERT(!obj->untag()->IsMarked());
        ASSERT(!obj->untag()->IsEvacuationCandidate());
        uword addr = UntaggedObject::ToAddr(obj);
        ForwardingCorpse* forwarder = reinterpret_cast<ForwardingCorpse*>(addr);
        obj = forwarder->target();
        *ptr = obj;
      } else {
        ASSERT(obj->untag()->IsMarked());
        ASSERT(!obj->untag()->IsEvacuationCandidate());
      }
 
      visitor_->VisitObject(obj);
    }
  }

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

• third_party/dart-lang/sdk/runtime/vm/heap/incremental_compactor.cc