98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
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/***************************************************************************
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error.h
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Error management
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(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#ifndef __GB_ERROR_H
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#define __GB_ERROR_H
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#include <errno.h>
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#include <setjmp.h>
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#include "gb_limit.h"
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#define E_MEMORY "Out of memory"
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#define E_SYNTAX "Syntax error"
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typedef
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struct {
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long code;
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char msg[MAX_ERROR_MSG + 1];
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}
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ERROR_INFO;
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typedef
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struct _ERROR {
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struct _ERROR *prev;
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int code;
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jmp_buf env;
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}
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ERROR_CONTEXT;
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#define ERROR_LEAVE_DONE ((ERROR_CONTEXT *)-1)
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#define TRY \
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{ \
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ERROR_CONTEXT *_err = alloca(sizeof(ERROR_CONTEXT)); \
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ERROR_enter(_err); \
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_err->code = setjmp(_err->env); \
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if (_err->code == 0)
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#define FINALLY
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#define CATCH \
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if (_err->code != 0 && !(_err->code = 0))
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#define CATCH_GET(get_it) \
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if (_err->code != 0 && (get_it = _err->code) && !(_err->code = 0))
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#define END_TRY \
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if (_err->code == 0) \
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ERROR_leave(_err); \
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else \
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PROPAGATE(); \
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}
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#define MAX_MUST_FREE 8
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PUBLIC void ERROR_clear(void);
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PUBLIC char *ERROR_get(void);
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PUBLIC void ERROR_enter(ERROR_CONTEXT *err);
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PUBLIC void ERROR_leave(ERROR_CONTEXT *err);
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PUBLIC void PROPAGATE() NORETURN;
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/*PUBLIC void ERROR(long code, ...);*/
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PUBLIC void THROW(const char *msg) NORETURN;
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PUBLIC void THROW2(const char *pattern, const char *msg) NORETURN;
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PUBLIC void ERROR_panic(char *error, ...) NORETURN;
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PUBLIC void ERROR_print(void);
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PUBLIC void ERROR_print_at(FILE *where);
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/*PUBLIC void ERROR_must_free(void *object);*/
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#endif
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