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23eb2a692f
To factor... (fatal_at, fatal, warn_at, warn, complain_at, complain): these. * src/complain.h, src/complain.c (warning_issued): Remove, unused.
131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/* Declaration for error-reporting function for Bison.
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Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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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 <config.h>
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#include "system.h"
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#include <stdarg.h>
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#include "complain.h"
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#include "files.h"
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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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bool complaint_issued;
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/** Report an error message.
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*
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* \param loc the location, defaulting to the current file,
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* or the program name.
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* \param prefix put before the message (e.g., "warning").
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* \param message the error message, a printf format string.
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* \param args the arguments of the format string.
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*/
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static
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void
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error_message (location *loc,
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const char *prefix,
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const char *message, va_list args)
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{
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if (loc)
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location_print (stderr, *loc);
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else
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fputs (current_file ? current_file : program_name, stderr);
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fputs (": ", stderr);
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if (prefix)
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fprintf (stderr, "%s: ", prefix);
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vfprintf (stderr, message, args);
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va_end (args);
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putc ('\n', stderr);
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fflush (stderr);
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}
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/** Wrap error_message() with varargs handling. */
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#define ERROR_MESSAGE(Loc, Prefix, Message) \
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{ \
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va_list args; \
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va_start (args, Message); \
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error_message (Loc, Prefix, Message, args); \
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}
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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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warn_at (location loc, const char *message, ...)
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{
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ERROR_MESSAGE (&loc, _("warning"), message);
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}
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void
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warn (const char *message, ...)
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{
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ERROR_MESSAGE (NULL, _("warning"), message);
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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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complain_at (location loc, const char *message, ...)
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{
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ERROR_MESSAGE (&loc, NULL, message);
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complaint_issued = true;
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}
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void
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complain (const char *message, ...)
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{
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ERROR_MESSAGE (NULL, NULL, message);
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complaint_issued = true;
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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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fatal_at (location loc, const char *message, ...)
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{
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ERROR_MESSAGE (&loc, _("fatal error"), message);
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exit (EXIT_FAILURE);
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}
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void
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fatal (const char *message, ...)
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{
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ERROR_MESSAGE (NULL, _("fatal error"), message);
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exit (EXIT_FAILURE);
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}
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