JSPromiseDeferred.h [plain text]
#ifndef JSPromiseDeferred_h
#define JSPromiseDeferred_h
#if ENABLE(PROMISES)
#include "JSCell.h"
#include "Structure.h"
namespace JSC {
class JSPromiseDeferred : public JSCell {
public:
typedef JSCell Base;
JS_EXPORT_PRIVATE static JSPromiseDeferred* create(ExecState*, JSGlobalObject*);
JS_EXPORT_PRIVATE static JSPromiseDeferred* create(VM&, JSObject* promise, JSValue resolve, JSValue reject);
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(CompoundType, StructureFlags), info());
}
static const bool hasImmortalStructure = true;
DECLARE_EXPORT_INFO;
JSObject* promise() const { return m_promise.get(); }
JSValue resolve() const { return m_resolve.get(); }
JSValue reject() const { return m_reject.get(); }
private:
JSPromiseDeferred(VM&);
void finishCreation(VM&, JSObject*, JSValue, JSValue);
static const unsigned StructureFlags = OverridesVisitChildren | Base::StructureFlags;
static void visitChildren(JSCell*, SlotVisitor&);
WriteBarrier<JSObject> m_promise;
WriteBarrier<Unknown> m_resolve;
WriteBarrier<Unknown> m_reject;
};
enum ThenableStatus {
WasAThenable,
NotAThenable
};
JSValue createJSPromiseDeferredFromConstructor(ExecState*, JSValue constructor);
ThenableStatus updateDeferredFromPotentialThenable(ExecState*, JSValue, JSPromiseDeferred*);
void performDeferredResolve(ExecState*, JSPromiseDeferred*, JSValue argument);
void performDeferredReject(ExecState*, JSPromiseDeferred*, JSValue argument);
JSValue abruptRejection(ExecState*, JSPromiseDeferred*);
}
#endif // ENABLE(PROMISES)
#endif // JSPromiseDeferred_h