#ifndef JSWrapperObject_h
#define JSWrapperObject_h
#include "JSDestructibleObject.h"
namespace JSC {
class JSWrapperObject : public JSDestructibleObject {
public:
typedef JSDestructibleObject Base;
static size_t allocationSize(size_t inlineCapacity)
{
ASSERT_UNUSED(inlineCapacity, !inlineCapacity);
return sizeof(JSWrapperObject);
}
JSValue internalValue() const;
void setInternalValue(VM&, JSValue);
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
static ptrdiff_t internalValueOffset() { return OBJECT_OFFSETOF(JSWrapperObject, m_internalValue); }
static ptrdiff_t internalValueCellOffset()
{
#if USE(JSVALUE64)
return internalValueOffset();
#else
return internalValueOffset() + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload);
#endif
}
protected:
explicit JSWrapperObject(VM&, Structure*);
static const unsigned StructureFlags = OverridesVisitChildren | Base::StructureFlags;
static void visitChildren(JSCell*, SlotVisitor&);
private:
WriteBarrier<Unknown> m_internalValue;
};
inline JSWrapperObject::JSWrapperObject(VM& vm, Structure* structure)
: JSDestructibleObject(vm, structure)
{
}
inline JSValue JSWrapperObject::internalValue() const
{
return m_internalValue.get();
}
inline void JSWrapperObject::setInternalValue(VM& vm, JSValue value)
{
ASSERT(value);
ASSERT(!value.isObject());
m_internalValue.set(vm, this, value);
}
}
#endif // JSWrapperObject_h