cdesktopenv/cde/programs/nsgmls/rtti.h

83 lines
2.5 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: rtti.h /main/1 1996/07/29 17:09:50 cde-hp $ */
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef rtti_INCLUDED
#define rtti_INCLUDED 1
#ifdef SP_HAVE_RTTI
#define DYNAMIC_CAST_PTR(T, p) dynamic_cast<T *>(p)
#define DYNAMIC_CAST_CONST_PTR(T, p) dynamic_cast<const T *>(p)
#define RTTI_CLASS
#define RTTI_DEF0(T)
#define RTTI_DEF1(T, B1)
#define RTTI_DEF2(T, B1, B2)
#define RTTI_DEF3(T, B1, B2, B3)
#else /* not SP_HAVE_RTTI */
#include "TypeId.h"
#define RTTI_CLASS \
public: \
virtual TypeId dynamicType() const; \
static inline TypeId staticType() { return TypeId(RTTI_bases_); } \
protected: \
static const void *RTTI_bases_[]; \
private:
#define RTTI_DEF0(T) \
const void *T::RTTI_bases_[] = { 0 }; \
TypeId T::dynamicType() const { return staticType(); }
#define RTTI_DEF1(T, B1) \
const void *T::RTTI_bases_[] = { B1::RTTI_bases_, 0 }; \
TypeId T::dynamicType() const { return staticType(); }
#define RTTI_DEF2(T, B1, B2) \
const void *T::RTTI_bases_[] = { B1::RTTI_bases_, B2::RTTI_bases_, 0 }; \
TypeId T::dynamicType() const { return staticType(); }
#define RTTI_DEF3(T, B1, B2, B3) \
const void *T::RTTI_bases_[] = { \
B1::RTTI_bases_, B2::RTTI_bases_, B3::RTTI_bases_, 0 }; \
TypeId T::dynamicType() const { return staticType(); }
#define DYNAMIC_CAST_PTR(T, p) \
((p) && (p)->dynamicType().canCast(T::staticType(), (p)->staticType()) \
? (T *)(p) \
: 0)
#define DYNAMIC_CAST_CONST_PTR(T, p) \
((p) && (p)->dynamicType().canCast(T::staticType(), (p)->staticType()) \
? (const T *)p \
: 0)
#endif /* not SP_HAVE_RTTI */
#endif /* not rtti_INCLUDED */