void JSString::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSString* thisObject = jsCast<JSString*>(cell);
Base::visitChildren(thisObject, visitor);
MARK_LOG_MESSAGE1("[%u]: ", thisObject->length());
#if ENABLE(OBJECT_MARK_LOGGING)
if (!thisObject->isRope()) {
WTF::StringImpl* ourImpl = thisObject->m_value.impl();
if (ourImpl->is8Bit())
MARK_LOG_MESSAGE1("[8 %p]", ourImpl->characters8());
else
MARK_LOG_MESSAGE1("[16 %p]", ourImpl->characters16());
} else
MARK_LOG_MESSAGE0("[rope]: ");
#endif
if (thisObject->isRope())
static_cast<JSRopeString*>(thisObject)->visitFibers(visitor);
else {
StringImpl* impl = thisObject->m_value.impl();
ASSERT(impl);
visitor.reportExtraMemoryUsage(impl->costDuringGC());
}
}
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 JSString::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSString* thisObject = jsCast<JSString*>(cell);
Base::visitChildren(thisObject, visitor);
if (thisObject->isRope())
static_cast<JSRopeString*>(thisObject)->visitFibers(visitor);
else {
StringImpl* impl = thisObject->m_value.impl();
ASSERT(impl);
visitor.reportExtraMemoryUsage(thisObject, impl->costDuringGC());
}
}