src/complain.h

   1 /* Declaration for error-reporting function for Bison.
   2    Copyright 2000 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify it
   5    under the terms of the GNU General Public License as published by the
   6    Free Software Foundation; either version 2, or (at your option) any
   7    later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  17    USA.  */
  18
  19 #ifndef COMPLAIN_H_
  20 #define COMPLAIN_H_ 1
  21
  22 #ifdef  __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 #ifdef __STDC__
  27
  28 /* Informative messages, but we proceed. */
  29
  30 extern void warn (const char *format, ...)
  31      __attribute__ ((__format__ (__printf__, 1, 2)));
  32
  33 /* Something bad happen, but let's continue and die later. */
  34
  35 extern void complain (const char *format, ...)
  36      __attribute__ ((__format__ (__printf__, 1, 2)));
  37
  38 /* Something bad happen and we die now. */
  39
  40 extern void fatal (const char *format, ...)
  41      __attribute__ ((__format__ (__printf__, 1, 2)));
  42
  43 /* Print a message with `fprintf (stderr, FORMAT, ...)';
  44    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
  45    If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */
  46
  47 extern void error (int status, int errnum,
  48                    const char *format, ...)
  49      __attribute__ ((__format__ (__printf__, 3, 4)));
  50
  51 #else
  52 void warn ();
  53 void complain ();
  54 void error ();
  55 #endif
  56
  57 /* Position in the current input file. */
  58 extern char *infile;
  59 extern int lineno;
  60
  61 /* This variable is incremented each time `warn' is called.  */
  62 extern unsigned int warn_message_count;
  63
  64 /* This variable is incremented each time `complain' is called.  */
  65 extern unsigned int complain_message_count;
  66
  67 /* Sometimes we want to have at most one error per line.  This
  68    variable controls whether this mode is selected or not.  */
  69 extern int error_one_per_line;
  70
  71 #ifdef  __cplusplus
  72 }
  73 #endif
  74
  75 #endif /* !COMPLAIN_H_ */