gecko-dev/dom/bindings/XrayExpandoClass.h

42 lines
1.3 KiB
C++

/* -*- 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/. */
/**
* This file declares a macro for defining Xray expando classes and declares the
* default Xray expando class. The actual definition of that default class
* lives elsewhere.
*/
#ifndef mozilla_dom_XrayExpandoClass_h
#define mozilla_dom_XrayExpandoClass_h
/*
* maybeStatic_ Should be either `static` or nothing (because some Xray expando
* classes are not static).
*
* name_ should be the name of the variable.
*
* extraSlots_ should be how many extra slots to give the class, in addition to
* the ones Xray expandos want.
*/
#define DEFINE_XRAY_EXPANDO_CLASS(maybeStatic_, name_, extraSlots_) \
maybeStatic_ const JSClass name_ = { \
"XrayExpandoObject", \
JSCLASS_HAS_RESERVED_SLOTS(xpc::JSSLOT_EXPANDO_COUNT + \
(extraSlots_)) | \
JSCLASS_FOREGROUND_FINALIZE, \
&xpc::XrayExpandoObjectClassOps \
}
namespace mozilla {
namespace dom {
extern const JSClass DefaultXrayExpandoObjectClass;
} // namespace mozilla
} // namespace dom
#endif /* mozilla_dom_XrayExpandoClass_h */