92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* QuesoGLC
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* A free implementation of the OpenGL Character Renderer (GLC)
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* Copyright (c) 2002, 2004-2007, Bertrand Coconnier
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* $Id$ */
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/** \file
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* header of the functions needed for cleanup stack exception handling (CSEH)
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*/
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#ifndef __glc_except_h
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#define __glc_except_h
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#include <setjmp.h>
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#ifdef __cpluplus
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extern "C" {
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#endif
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typedef unsigned int __glcException;
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#define GLC_NO_EXC (__glcException)0
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#define GLC_MEMORY_EXC (__glcException)1
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jmp_buf* __glcExceptionCreateContext(void);
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void __glcExceptionReleaseContext(void);
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void __glcExceptionPush(void (*destructor)(void*), void *data);
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void __glcExceptionPop(int destroy);
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void __glcExceptionUnwind(int destroy);
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jmp_buf* __glcExceptionThrow(__glcException exception);
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__glcException __glcExceptionCatch(void);
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#define TRY \
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do { \
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jmp_buf* __glcEnv = __glcExceptionCreateContext(); \
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if (__glcEnv && (setjmp(*__glcEnv) == 0)) {
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#define CATCH(__e__) \
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__glcExceptionUnwind(0); \
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} \
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else { \
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__e__ = __glcExceptionCatch();
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#define END_CATCH \
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} \
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__glcExceptionReleaseContext(); \
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} while (0);
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#define THROW(__e__) \
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do { \
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jmp_buf* __glcEnv; \
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__glcExceptionUnwind(1); \
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__glcEnv = __glcExceptionThrow(__e__); \
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longjmp(*__glcEnv, 1); \
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} while (0);
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#define RETHROW(__e__) \
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do { \
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jmp_buf* __glcEnv; \
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__glcExceptionReleaseContext(); \
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__glcExceptionUnwind(1); \
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__glcEnv = __glcExceptionThrow(__e__); \
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longjmp(*__glcEnv, 1); \
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} while (0);
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#define RETURN(__value__) \
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do { \
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__glcExceptionUnwind(0); \
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__glcExceptionReleaseContext(); \
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return __value__; \
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} while(0);
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#ifdef __cplusplus
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}
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#endif
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#endif
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