StructureStubInfo.cpp [plain text]
#include "config.h"
#include "StructureStubInfo.h"
#include "JSObject.h"
#include "PolymorphicPutByIdList.h"
#include "ScopeChain.h"
namespace JSC {
#if ENABLE(JIT)
void StructureStubInfo::deref()
{
switch (accessType) {
case access_get_by_id_self_list: {
PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList;
delete polymorphicStructures;
return;
}
case access_get_by_id_proto_list: {
PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList;
delete polymorphicStructures;
return;
}
case access_put_by_id_list:
delete u.putByIdList.list;
return;
case access_get_by_id_self:
case access_get_by_id_proto:
case access_get_by_id_chain:
case access_put_by_id_transition_normal:
case access_put_by_id_transition_direct:
case access_put_by_id_replace:
case access_unset:
case access_get_by_id_generic:
case access_put_by_id_generic:
case access_get_array_length:
case access_get_string_length:
return;
default:
ASSERT_NOT_REACHED();
}
}
bool StructureStubInfo::visitWeakReferences()
{
switch (accessType) {
case access_get_by_id_self:
if (!Heap::isMarked(u.getByIdSelf.baseObjectStructure.get()))
return false;
break;
case access_get_by_id_proto:
if (!Heap::isMarked(u.getByIdProto.baseObjectStructure.get())
|| !Heap::isMarked(u.getByIdProto.prototypeStructure.get()))
return false;
break;
case access_get_by_id_chain:
if (!Heap::isMarked(u.getByIdChain.baseObjectStructure.get())
|| !Heap::isMarked(u.getByIdChain.chain.get()))
return false;
break;
case access_get_by_id_self_list: {
PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList;
if (!polymorphicStructures->visitWeak(u.getByIdSelfList.listSize))
return false;
break;
}
case access_get_by_id_proto_list: {
PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList;
if (!polymorphicStructures->visitWeak(u.getByIdProtoList.listSize))
return false;
break;
}
case access_put_by_id_transition_normal:
case access_put_by_id_transition_direct:
if (!Heap::isMarked(u.putByIdTransition.previousStructure.get())
|| !Heap::isMarked(u.putByIdTransition.structure.get())
|| !Heap::isMarked(u.putByIdTransition.chain.get()))
return false;
break;
case access_put_by_id_replace:
if (!Heap::isMarked(u.putByIdReplace.baseObjectStructure.get()))
return false;
break;
case access_put_by_id_list:
if (!u.putByIdList.list->visitWeak())
return false;
break;
default:
break;
}
return true;
}
#endif
}