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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_WeakRefObject_h
#define builtin_WeakRefObject_h
#include "vm/NativeObject.h"
namespace js {
class WeakRefObject : public NativeObject {
public:
enum { TargetSlot, SlotCount };
static const JSClass class_;
static const JSClass protoClass_;
JSObject* target() { return maybePtrFromReservedSlot<JSObject>(TargetSlot); }
void setTargetUnbarriered(JSObject* target);
void clearTarget();
private:
static const JSClassOps classOps_;
static const ClassSpec classSpec_;
static const JSPropertySpec properties[];
static const JSFunctionSpec methods[];
[[nodiscard]] static bool construct(JSContext* cx, unsigned argc, Value* vp);
static void trace(JSTracer* trc, JSObject* obj);
static void finalize(JSFreeOp* op, JSObject* obj);
static bool preserveDOMWrapper(JSContext* cx, HandleObject obj);
static bool deref(JSContext* cx, unsigned argc, Value* vp);
static void readBarrier(JSContext* cx, Handle<WeakRefObject*> self);
};
} // namespace js
#endif /* builtin_WeakRefObject_h */