/* 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. */ /* Based on error.c and error.h, written by David MacKenzie . */ #include "system.h" #if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC # ifdef __STDC__ # include # define VA_START(args, lastarg) va_start(args, lastarg) # else # include # 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 # include #else void exit (); #endif #include "complain.h" #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 /* 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 # 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; # if HAVE_STRERROR # ifndef HAVE_DECL_STRERROR "this configure-time declaration test was not run" # endif # if !HAVE_DECL_STRERROR && !defined strerror char *strerror PARAMS ((int)); # 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 /* 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); } void #if defined VA_START && defined __STDC__ warn (const char *message, ...) #else warn (message, va_alist) char *message; va_dcl #endif { #ifdef VA_START va_list args; #endif fflush (stdout); fprintf (stderr, "%s: %s", infile ? infile : program_name, _("warning: ")); #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); } void #if defined VA_START && defined __STDC__ complain (const char *message, ...) #else complain (message, va_alist) char *message; va_dcl #endif { #ifdef VA_START va_list args; #endif fflush (stdout); fprintf (stderr, "%s: ", infile ? infile : program_name); #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_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 (_("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); }