void Heap::FinalizerOwner::finalize(Handle<Unknown> handle, void* context)
{
HandleSlot slot = handle.slot();
Finalizer finalizer = reinterpret_cast<Finalizer>(context);
finalizer(slot->asCell());
WeakSet::deallocate(WeakImpl::asWeakImpl(slot));
}
void HandleSet::writeBarrier(HandleSlot slot, const JSValue& value)
{
// Forbid assignment to handles during the finalization phase, since it would violate many GC invariants.
// File a bug with stack trace if you hit this.
if (m_nextToFinalize)
CRASH();
if (!value == !*slot && slot->isCell() == value.isCell())
return;
Node* node = toNode(slot);
#if ENABLE(GC_VALIDATION)
if (!isLiveNode(node))
CRASH();
#endif
SentinelLinkedList<Node>::remove(node);
if (!value || !value.isCell()) {
m_immediateList.push(node);
return;
}
m_strongList.push(node);
#if ENABLE(GC_VALIDATION)
if (!isLiveNode(node))
CRASH();
#endif
}
void HandleSet::writeBarrier(HandleSlot slot, const JSValue& value)
{
if (!value == !*slot && slot->isCell() == value.isCell())
return;
Node* node = toNode(slot);
#if ENABLE(GC_VALIDATION)
RELEASE_ASSERT(isLiveNode(node));
#endif
SentinelLinkedList<Node>::remove(node);
if (!value || !value.isCell()) {
m_immediateList.push(node);
return;
}
m_strongList.push(node);
#if ENABLE(GC_VALIDATION)
RELEASE_ASSERT(isLiveNode(node));
#endif
}
void HandleHeap::writeBarrier(HandleSlot slot, const JSValue& value)
{
ASSERT(!m_nextToFinalize); // Forbid assignment to handles during the finalization phase, since it would violate many GC invariants.
if (!value == !*slot && slot->isCell() == value.isCell())
return;
Node* node = toNode(slot);
SentinelLinkedList<Node>::remove(node);
if (!value || !value.isCell()) {
m_immediateList.push(node);
return;
}
if (node->isWeak()) {
m_weakList.push(node);
return;
}
m_strongList.push(node);
}