70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* 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 these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* File: exception.h $XConsortium: exception.h /main/3 1995/10/26 16:12:07 rswiston $
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*
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* (c) Copyright 1993, 1994 Hewlett-Packard Company
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* (c) Copyright 1993, 1994 International Business Machines Corp.
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc.
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* (c) Copyright 1993, 1994 Novell, Inc.
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*/
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/* C++ exception handler package */
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#ifndef __EXCEPTION_H_
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#define __EXCEPTION_H_
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#include <stddef.h>
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#include <setjmp.h>
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typedef const char *const Exception;
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class _Exception
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{
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char raised, accepted;
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_Exception *prev;
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public:
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const char *val;
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jmp_buf buf;
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_Exception();
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~_Exception();
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int accept(Exception val);
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int recover();
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void raise(Exception val);
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};
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extern _Exception *_curr_exception;
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extern void _raise_exception(Exception val);
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#define TRY _Exception _new_exception; if (setjmp(_new_exception.buf) == 0)
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#define RECOVER else if (_new_exception.recover())
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#define HANDLE(val) else if (_new_exception.accept(val))
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#define RAISE(val) _raise_exception(val)
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#define EXCEPTION (_curr_exception != NULL ? _curr_exception->val : NULL)
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#endif /* __EXCEPTION_H_ */
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/*
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@(#)REV: 2.18 90/12/13
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*/
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