v8::internal::RootMarkingVisitor Class Reference

Inheritance diagram for v8::internal::RootMarkingVisitor:

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Public Member Functions
	RootMarkingVisitor (Heap *heap)
void	VisitPointer (Object **p)
void	VisitPointers (Object **start, Object **end)
void	VisitNextCodeLink (Object **p)

Private Member Functions
void	MarkObjectByPointer (Object **p)

Private Attributes
MarkCompactCollector *	collector_

Detailed Description

Definition at line 1771 of file mark-compact.cc.

Constructor & Destructor Documentation

RootMarkingVisitor()

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

inlineexplicit

Definition at line 1773 of file mark-compact.cc.

      : collector_(heap->mark_compact_collector()) {}

Member Function Documentation

MarkObjectByPointer()

void v8::internal::RootMarkingVisitor::MarkObjectByPointer ( Object **  p )

inlineprivate

Definition at line 1787 of file mark-compact.cc.

                                       {
    if (!(*p)->IsHeapObject()) return;
 
    // Replace flat cons strings in place.
    HeapObject* object = ShortCircuitConsString(p);
    MarkBit mark_bit = Marking::MarkBitFrom(object);
    if (mark_bit.Get()) return;
 
    Map* map = object->map();
    // Mark the object.
    collector_->SetMark(object, mark_bit);
 
    // Mark the map pointer and body, and push them on the marking stack.
    MarkBit map_mark = Marking::MarkBitFrom(map);
    collector_->MarkObject(map, map_mark);
    MarkCompactMarkingVisitor::IterateBody(map, object);
 
    // Mark all the objects reachable from the map and body.  May leave
    // overflowed objects in the heap.
    collector_->EmptyMarkingDeque();
  }

References collector_, v8::internal::MarkCompactCollector::EmptyMarkingDeque(), v8::internal::MarkBit::Get(), map, and v8::internal::ShortCircuitConsString().

Referenced by VisitPointer(), and VisitPointers().

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VisitNextCodeLink()

void v8::internal::RootMarkingVisitor::VisitNextCodeLink ( Object **  p )

inline

Definition at line 1784 of file mark-compact.cc.

{}

VisitPointer()

void v8::internal::RootMarkingVisitor::VisitPointer ( Object **  p )

inline

Definition at line 1776 of file mark-compact.cc.

{ MarkObjectByPointer(p); }

References MarkObjectByPointer().

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VisitPointers()

void v8::internal::RootMarkingVisitor::VisitPointers ( Object **  start, Object **  end  )

inline

Definition at line 1778 of file mark-compact.cc.

                                                   {
    for (Object** p = start; p < end; p++) MarkObjectByPointer(p);
  }

References MarkObjectByPointer().

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Member Data Documentation

collector_

MarkCompactCollector* v8::internal::RootMarkingVisitor::collector_

private

Definition at line 1809 of file mark-compact.cc.

Referenced by MarkObjectByPointer().

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

• /mnt/V8SourceCode/src/heap/mark-compact.cc