/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * 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 vm_WrapperObject_h
#define vm_WrapperObject_h

#include "js/Wrapper.h"
#include "vm/JSObject.h"
#include "vm/ProxyObject.h"

namespace js {

// Proxy family for wrappers.
// This variable exists solely to provide a unique address for use as an
// identifier.
extern const char sWrapperFamily;

class WrapperObject : public ProxyObject {};

class CrossCompartmentWrapperObject : public WrapperObject {
 public:
  static const unsigned GrayLinkReservedSlot = 1;
};

}  // namespace js

template <>
inline bool JSObject::is<js::WrapperObject>() const {
  return js::IsWrapper(const_cast<JSObject*>(this));
}

template <>
inline bool JSObject::is<js::CrossCompartmentWrapperObject>() const {
  return js::IsCrossCompartmentWrapper(const_cast<JSObject*>(this));
}

#endif /* vm_WrapperObject_h */