gambas-source-code/main/lib/eval/gb_error.h
Benoît Minisini f65184802d [CONFIGURATION]
* NEW: Update copyright and license string in all source files.


git-svn-id: svn://localhost/gambas/trunk@2241 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2009-08-17 10:41:51 +00:00

100 lines
2.3 KiB
C

/***************************************************************************
gb_error.h
(c) 2000-2009 Benoît Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#ifndef __GB_ERROR_H
#define __GB_ERROR_H
#include <errno.h>
#include <setjmp.h>
#include "gb_limit.h"
#define E_MEMORY "Out of memory"
#define E_SYNTAX "Syntax error"
typedef
struct {
short code;
bool free;
void *cp;
void *fp;
void *pc;
//char msg[MAX_ERROR_MSG + 1];
char *msg;
void *backtrace;
}
ERROR_INFO;
typedef
struct _ERROR {
struct _ERROR *prev;
jmp_buf env;
int ret;
ERROR_INFO info;
}
ERROR_CONTEXT;
#ifndef __GB_ERROR_C
EXTERN ERROR_CONTEXT *ERROR_current;
#endif
#define ERROR_LEAVE_DONE ((ERROR_CONTEXT *)-1)
#define TRY \
{ \
ERROR_CONTEXT __err_context; \
{ \
ERROR_CONTEXT *__err = &__err_context; \
ERROR_enter(__err); \
__err->ret = setjmp(__err->env); \
if (__err->ret == 0)
#define CATCH \
else
#define END_TRY \
ERROR_leave(__err); \
} \
}
#define ERROR __err
#define PROPAGATE() ERROR_propagate()
PUBLIC void ERROR_clear(void);
PUBLIC char *ERROR_get(void);
PUBLIC void ERROR_enter(ERROR_CONTEXT *err);
PUBLIC void ERROR_leave(ERROR_CONTEXT *err);
PUBLIC void PROPAGATE() NORETURN;
PUBLIC void THROW(const char *msg) NORETURN;
PUBLIC void THROW2(const char *pattern, const char *msg) NORETURN;
PUBLIC void ERROR_panic(const char *error, ...) NORETURN;
PUBLIC void ERROR_print(void);
PUBLIC void ERROR_print_at(FILE *where);
/*PUBLIC void ERROR_must_free(void *object);*/
#endif