dart::CollectStoreBufferVisitor Class Reference

Inheritance diagram for dart::CollectStoreBufferVisitor:

Public Member Functions
	CollectStoreBufferVisitor (ObjectSet *in_store_buffer, const char *msg)
void	VisitPointers (ObjectPtr *from, ObjectPtr *to) 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)
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 832 of file scavenger.cc.

Constructor & Destructor Documentation

CollectStoreBufferVisitor()

dart::CollectStoreBufferVisitor::CollectStoreBufferVisitor ( ObjectSet *  in_store_buffer, const char *  msg  )

inline

Definition at line 834 of file scavenger.cc.

      : ObjectPointerVisitor(IsolateGroup::Current()),
        in_store_buffer_(in_store_buffer),
        msg_(msg) {}

Member Function Documentation

VisitPointers()

void dart::CollectStoreBufferVisitor::VisitPointers ( ObjectPtr *  from, ObjectPtr *  to  )

inlineoverridevirtual

Implements dart::ObjectPointerVisitor.

Definition at line 839 of file scavenger.cc.

                                                              {
    for (ObjectPtr* ptr = from; ptr <= to; ptr++) {
      ObjectPtr obj = *ptr;
      RELEASE_ASSERT_WITH_MSG(obj->untag()->IsRemembered(), msg_);
      RELEASE_ASSERT_WITH_MSG(obj->IsOldObject(), msg_);
 
      RELEASE_ASSERT_WITH_MSG(!obj->untag()->IsCardRemembered(), msg_);
      if (obj.GetClassId() == kArrayCid) {
        const uword length =
            Smi::Value(static_cast<UntaggedArray*>(obj.untag())->length());
        RELEASE_ASSERT_WITH_MSG(!Array::UseCardMarkingForAllocation(length),
                                msg_);
      }
      in_store_buffer_->Add(obj);
    }
  }

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

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