void SymbolTable::visitChildren(JSCell* thisCell, SlotVisitor& visitor)
{
SymbolTable* thisSymbolTable = jsCast<SymbolTable*>(thisCell);
if (!thisSymbolTable->m_watchpointCleanup) {
thisSymbolTable->m_watchpointCleanup =
std::make_unique<WatchpointCleanup>(thisSymbolTable);
}
visitor.addUnconditionalFinalizer(thisSymbolTable->m_watchpointCleanup.get());
}
void WeakMapData::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
Base::visitChildren(cell, visitor);
WeakMapData* thisObj = jsCast<WeakMapData*>(cell);
visitor.addUnconditionalFinalizer(&thisObj->m_deadKeyCleaner);
visitor.addWeakReferenceHarvester(&thisObj->m_deadKeyCleaner);
// Rough approximation of the external storage needed for the hashtable.
// This isn't exact, but it is close enough, and proportional to the actual
// external mermory usage.
visitor.reportExtraMemoryUsage(thisObj->m_map.capacity() * (sizeof(JSObject*) + sizeof(WriteBarrier<Unknown>)));
}
void InferredType::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
InferredType* inferredType = jsCast<InferredType*>(cell);
ConcurrentJSLocker locker(inferredType->m_lock);
if (inferredType->m_structure) {
// The mutator may clear the structure before the GC runs finalizers, so we have to protect
// the finalizer from being destroyed.
inferredType->m_structure->ref();
visitor.addUnconditionalFinalizer(&inferredType->m_structure->m_finalizer);
}
}