Source/platform/heap/Visitor.cpp

/*
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#include "config.h"
#include "platform/heap/Visitor.h"

#include "platform/heap/Handle.h"
#include "platform/heap/Heap.h"

namespace blink {

#if ENABLE(ASSERT)
void Visitor::checkGCInfo(const void* payload, const GCInfo* gcInfo)
{
    FinalizedHeapObjectHeader::fromPayload(payload)->checkHeader();
#if !defined(COMPONENT_BUILD)
    // On component builds we cannot compare the gcInfos as they are statically
    // defined in each of the components and hence will not match.
    BaseHeapPage* page = pageHeaderFromObject(payload);
    ASSERT(page->orphaned() || FinalizedHeapObjectHeader::fromPayload(payload)->gcInfo() == gcInfo);
#endif
}

#define DEFINE_VISITOR_CHECK_MARKER(Type)                                \
    void Visitor::checkGCInfo(const Type* payload, const GCInfo* gcInfo) \
    {                                                                    \
        HeapObjectHeader::fromPayload(payload)->checkHeader();           \
        Type* object = const_cast<Type*>(payload);                       \
        BaseHeapPage* page = pageHeaderFromObject(object);               \
        ASSERT(page->orphaned() || page->gcInfo() == gcInfo);            \
    }

FOR_EACH_TYPED_HEAP(DEFINE_VISITOR_CHECK_MARKER)
#undef DEFINE_VISITOR_CHECK_MARKER
#endif

}