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/* Declaration for error-reporting function for Bison.
Copyright 2000, 2001 Free Software Foundation, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
/* Based on error.c and error.h,
written by David MacKenzie <djm@gnu.ai.mit.edu>. */
#include "system.h"
#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
# ifdef __STDC__
# include <stdarg.h>
# define VA_START(args, lastarg) va_start(args, lastarg)
# else
# include <varargs.h>
# define VA_START(args, lastarg) va_start(args)
# endif
#else
# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
#endif
#if STDC_HEADERS || _LIBC
# include <stdlib.h>
# include <string.h>
#else
void exit ();
#endif
#include "complain.h"
#ifndef HAVE_DECL_STRERROR_R
"this configure-time declaration test was not run"
#endif
#if !HAVE_DECL_STRERROR_R
char *strerror_r ();
#endif
#ifndef _
# define _(String) String
#endif
#ifdef _LIBC
/* In the GNU C library, there is a predefined variable for this. */
# define program_name program_invocation_name
# include <errno.h>
/* In GNU libc we want do not want to use the common name `error' directly.
Instead make it a weak alias. */
# define error __error
# define error_at_line __error_at_line
# ifdef USE_IN_LIBIO
# include <libio/iolibio.h>
# define fflush(s) _IO_fflush (s)
# endif
#else /* not _LIBC */
/* The calling program should define program_name and set it to the
name of the executing program. */
extern char *program_name;
# ifdef HAVE_STRERROR_R
# define __strerror_r strerror_r
# else
# if HAVE_STRERROR
# ifndef strerror /* On some systems, strerror is a macro */
char *strerror ();
# endif
# else
static char *
private_strerror (errnum)
int errnum;
{
extern char *sys_errlist[];
extern int sys_nerr;
if (errnum > 0 && errnum <= sys_nerr)
return _(sys_errlist[errnum]);
return _("Unknown system error");
}
# define strerror private_strerror
# endif /* HAVE_STRERROR */
# endif /* HAVE_STRERROR_R */
#endif /* not _LIBC */
/* This variable is incremented each time `warn' is called. */
unsigned int warn_message_count;
/* This variable is incremented each time `complain' is called. */
unsigned int complain_message_count;
/*--------------------------------.
| Report a warning, and proceed. |
`--------------------------------*/
void
#if defined VA_START && defined __STDC__
warn_at (location_t location, const char *message, ...)
#else
warn_at (location, message, va_alist)
location_t location
char *message;
va_dcl
#endif
{
#ifdef VA_START
va_list args;
#endif
fflush (stdout);
LOCATION_PRINT (stderr, location);
fputs (": ", stderr);
fputs (_("warning: "), stderr);
#ifdef VA_START
VA_START (args, message);
vfprintf (stderr, message, args);
va_end (args);
#else
fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
++warn_message_count;
putc ('\n', stderr);
fflush (stderr);
}
/*-----------------------------------------------------------.
| An error has occurred, but we can proceed, and die later. |
`-----------------------------------------------------------*/
void
#if defined VA_START && defined __STDC__
complain_at (location_t location, const char *message, ...)
#else
complain_at (location, message, va_alist)
location_t location;
char *message;
va_dcl
#endif
{
#ifdef VA_START
va_list args;
#endif
fflush (stdout);
LOCATION_PRINT (stderr, location);
fputs (": ", stderr);
#ifdef VA_START
VA_START (args, message);
vfprintf (stderr, message, args);
va_end (args);
#else
fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
++complain_message_count;
putc ('\n', stderr);
fflush (stderr);
}
/*-------------------------------------------------.
| A severe error has occurred, we cannot proceed. |
`-------------------------------------------------*/
void
#if defined VA_START && defined __STDC__
fatal_at (location_t location, const char *message, ...)
#else
fatal (location, message, va_alist)
location_t location;
char *message;
va_dcl
#endif
{
#ifdef VA_START
va_list args;
#endif
fflush (stdout);
LOCATION_PRINT (stderr, location);
fputs (": ", stderr);
fputs (_("fatal error: "), stderr);
#ifdef VA_START
VA_START (args, message);
vfprintf (stderr, message, args);
va_end (args);
#else
fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
putc ('\n', stderr);
fflush (stderr);
exit (1);
}
void
#if defined VA_START && defined __STDC__
fatal (const char *message, ...)
#else
fatal (message, va_alist)
char *message;
va_dcl
#endif
{
#ifdef VA_START
va_list args;
#endif
fflush (stdout);
fprintf (stderr, "%s: ", infile ? infile : program_name);
fputs (_("fatal error: "), stderr);
#ifdef VA_START
VA_START (args, message);
vfprintf (stderr, message, args);
va_end (args);
#else
fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
#endif
putc ('\n', stderr);
fflush (stderr);
exit (1);
}
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