v8::internal::UnreachableObjectsFilter Class Reference

Inheritance diagram for v8::internal::UnreachableObjectsFilter:

Collaboration diagram for v8::internal::UnreachableObjectsFilter:

Classes
class	MarkingVisitor

Public Member Functions
	UnreachableObjectsFilter (Heap *heap)
	~UnreachableObjectsFilter ()
bool	SkipObject (HeapObject *object)
Public Member Functions inherited from v8::internal::HeapObjectsFilter
virtual	~HeapObjectsFilter ()

Private Member Functions
void	MarkReachableObjects ()

Private Attributes
Heap *	heap_
DisallowHeapAllocation	no_allocation_

Detailed Description

Definition at line 5547 of file heap.cc.

Constructor & Destructor Documentation

UnreachableObjectsFilter()

v8::internal::UnreachableObjectsFilter::UnreachableObjectsFilter ( Heap *  heap )

inlineexplicit

Definition at line 5549 of file heap.cc.

                                                : heap_(heap) {
    MarkReachableObjects();
  }

~UnreachableObjectsFilter()

v8::internal::UnreachableObjectsFilter::~UnreachableObjectsFilter ( )

inline

Definition at line 5553 of file heap.cc.

                              {
    heap_->mark_compact_collector()->ClearMarkbits();
  }

Member Function Documentation

MarkReachableObjects()

void v8::internal::UnreachableObjectsFilter::MarkReachableObjects ( )

inlineprivate

Definition at line 5590 of file heap.cc.

                              {
    MarkingVisitor visitor;
    heap_->IterateRoots(&visitor, VISIT_ALL);
    visitor.TransitiveClosure();
  }

References v8::internal::UnreachableObjectsFilter::MarkingVisitor::TransitiveClosure(), and v8::internal::VISIT_ALL.

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SkipObject()

bool v8::internal::UnreachableObjectsFilter::SkipObject ( HeapObject *  object )

inlinevirtual

Implements v8::internal::HeapObjectsFilter.

Definition at line 5557 of file heap.cc.

                                      {
    MarkBit mark_bit = Marking::MarkBitFrom(object);
    return !mark_bit.Get();
  }

References v8::internal::MarkBit::Get().

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Member Data Documentation

heap_

Heap* v8::internal::UnreachableObjectsFilter::heap_

private

Definition at line 5596 of file heap.cc.

no_allocation_

DisallowHeapAllocation v8::internal::UnreachableObjectsFilter::no_allocation_

private

Definition at line 5597 of file heap.cc.

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

• /mnt/V8SourceCode/src/heap/heap.cc