JSAPIValueWrapper.h [plain text]
#pragma once
#include "CallFrame.h"
#include "JSCJSValue.h"
#include "JSCast.h"
#include "Structure.h"
namespace JSC {
class JSAPIValueWrapper final : public JSCell {
friend JSValue jsAPIValueWrapper(JSGlobalObject*, JSValue);
public:
using Base = JSCell;
static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.apiValueWrapperSpace<mode>();
}
JSValue value() const { return m_value.get(); }
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(APIValueWrapperType, StructureFlags), info());
}
DECLARE_EXPORT_INFO;
static JSAPIValueWrapper* create(VM& vm, JSValue value)
{
JSAPIValueWrapper* wrapper = new (NotNull, allocateCell<JSAPIValueWrapper>(vm.heap)) JSAPIValueWrapper(vm);
wrapper->finishCreation(vm, value);
return wrapper;
}
private:
void finishCreation(VM& vm, JSValue value)
{
Base::finishCreation(vm);
m_value.set(vm, this, value);
ASSERT(!value.isCell());
}
JSAPIValueWrapper(VM& vm)
: JSCell(vm, vm.apiWrapperStructure.get())
{
}
WriteBarrier<Unknown> m_value;
};
}