* src/reduce.c (reduce_grammar): When the language is empty,

[bison.git] / src / complain.h

/* Declaration for error-reporting function for Bison.
   Copyright (C) 2000, 2001, 2002 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.  */

#ifndef COMPLAIN_H_
# define COMPLAIN_H_ 1

# include "location.h"

# ifdef	__cplusplus
extern "C" {
# endif

# ifdef __STDC__

/* Informative messages, but we proceed. */

void warn_at (location_t location, const char *format, ...)
  __attribute__ ((__format__ (__printf__, 2, 3)));

/* Something bad happen, but let's continue and die later. */

void complain_at (location_t location, const char *format, ...)
  __attribute__ ((__format__ (__printf__, 2, 3)));

/* Something bad happen and we die now. */

void fatal (const char *format, ...)
  __attribute__ ((__format__ (__printf__, 1, 2)));

void fatal_at (location_t location, const char *format, ...)
  __attribute__ ((__format__ (__printf__, 2, 3)));

# else
void warn_at ();
void complain_at ();
void fatal ();
void fatal_at ();
# endif

/* Position in the current input file. */
extern char *infile;

/* This variable is incremented each time `warn' is called.  */
extern unsigned int warn_message_count;

/* This variable is incremented each time `complain' is called.  */
extern unsigned int complain_message_count;

# ifdef	__cplusplus
}
# endif

#endif /* !COMPLAIN_H_ */