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https://git.savannah.gnu.org/git/bison.git
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52489d4445
* src/complain.h, src/complain.c (warn, complain): New. * src/conflicts.c (conflicts_print): Use them. (conflict_report_yacc): New, extracted from... (conflicts_print): here. * tests/conflicts.at, tests/existing.at: Adjust.
303 lines
6.6 KiB
C
303 lines
6.6 KiB
C
/* Declaration for error-reporting function for Bison.
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Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA. */
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/* Based on error.c and error.h,
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written by David MacKenzie <djm@gnu.ai.mit.edu>. */
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#include "system.h"
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#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
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# ifdef __STDC__
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# include <stdarg.h>
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# define VA_START(args, lastarg) va_start(args, lastarg)
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# else
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# include <varargs.h>
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# define VA_START(args, lastarg) va_start(args)
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# endif
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#else
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# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
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# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
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#endif
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#if STDC_HEADERS || _LIBC
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# include <stdlib.h>
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# include <string.h>
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#else
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void exit ();
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#endif
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#include "complain.h"
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#ifndef HAVE_DECL_STRERROR_R
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"this configure-time declaration test was not run"
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#endif
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#if !HAVE_DECL_STRERROR_R
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char *strerror_r ();
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#endif
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#ifndef _
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# define _(String) String
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#endif
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#ifdef _LIBC
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/* In the GNU C library, there is a predefined variable for this. */
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# define program_name program_invocation_name
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# include <errno.h>
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/* In GNU libc we want do not want to use the common name `error' directly.
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Instead make it a weak alias. */
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# define error __error
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# define error_at_line __error_at_line
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# ifdef USE_IN_LIBIO
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# include <libio/iolibio.h>
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# define fflush(s) _IO_fflush (s)
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# endif
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#else /* not _LIBC */
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/* The calling program should define program_name and set it to the
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name of the executing program. */
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extern char *program_name;
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# ifdef HAVE_STRERROR_R
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# define __strerror_r strerror_r
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# else
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# if HAVE_STRERROR
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# ifndef strerror /* On some systems, strerror is a macro */
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char *strerror ();
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# endif
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# else
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static char *
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private_strerror (errnum)
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int errnum;
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{
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extern char *sys_errlist[];
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extern int sys_nerr;
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if (errnum > 0 && errnum <= sys_nerr)
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return _(sys_errlist[errnum]);
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return _("Unknown system error");
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}
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# define strerror private_strerror
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# endif /* HAVE_STRERROR */
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# endif /* HAVE_STRERROR_R */
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#endif /* not _LIBC */
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/* This variable is incremented each time `warn' is called. */
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unsigned int warn_message_count;
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/* This variable is incremented each time `complain' is called. */
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unsigned int complain_message_count;
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/*--------------------------------.
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| Report a warning, and proceed. |
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`--------------------------------*/
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void
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#if defined VA_START && defined __STDC__
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warn_at (location_t location, const char *message, ...)
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#else
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warn_at (location, message, va_alist)
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location_t location
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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LOCATION_PRINT (stderr, location);
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fputs (": ", stderr);
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fputs (_("warning: "), stderr);
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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++warn_message_count;
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putc ('\n', stderr);
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fflush (stderr);
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}
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void
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#if defined VA_START && defined __STDC__
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warn (const char *message, ...)
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#else
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warn (message, va_alist)
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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fprintf (stderr, "%s: %s", infile ? infile : program_name, _("warning: "));
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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++warn_message_count;
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putc ('\n', stderr);
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fflush (stderr);
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}
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/*-----------------------------------------------------------.
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| An error has occurred, but we can proceed, and die later. |
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`-----------------------------------------------------------*/
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void
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#if defined VA_START && defined __STDC__
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complain_at (location_t location, const char *message, ...)
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#else
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complain_at (location, message, va_alist)
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location_t location;
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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LOCATION_PRINT (stderr, location);
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fputs (": ", stderr);
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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++complain_message_count;
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putc ('\n', stderr);
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fflush (stderr);
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}
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void
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#if defined VA_START && defined __STDC__
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complain (const char *message, ...)
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#else
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complain (message, va_alist)
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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fprintf (stderr, "%s: ", infile ? infile : program_name);
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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++complain_message_count;
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putc ('\n', stderr);
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fflush (stderr);
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}
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/*-------------------------------------------------.
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| A severe error has occurred, we cannot proceed. |
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`-------------------------------------------------*/
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void
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#if defined VA_START && defined __STDC__
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fatal_at (location_t location, const char *message, ...)
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#else
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fatal_at (location, message, va_alist)
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location_t location;
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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LOCATION_PRINT (stderr, location);
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fputs (": ", stderr);
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fputs (_("fatal error: "), stderr);
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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putc ('\n', stderr);
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fflush (stderr);
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exit (1);
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}
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void
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#if defined VA_START && defined __STDC__
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fatal (const char *message, ...)
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#else
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fatal (message, va_alist)
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char *message;
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va_dcl
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#endif
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{
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#ifdef VA_START
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va_list args;
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#endif
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fflush (stdout);
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fprintf (stderr, "%s: ", infile ? infile : program_name);
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fputs (_("fatal error: "), stderr);
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#ifdef VA_START
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VA_START (args, message);
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vfprintf (stderr, message, args);
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va_end (args);
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#else
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fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
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#endif
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putc ('\n', stderr);
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fflush (stderr);
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exit (1);
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}
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