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/* Basic error reporting routines.
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* warning, error, and fatal. These definitions are suitable for use
in the generator programs; eventually we would like to use them in
cc1 too, but that's a longer term project. */
#include "config.h"
#include "system.h"
#include "errors.h"
/* Set this to argv[0] at the beginning of main. */
const char *progname;
/* Starts out 0, set to 1 if error is called. */
int have_error = 0;
/* Print a warning message - output produced, but there may be problems. */
void
warning VPARAMS ((const char *format, ...))
{
#ifndef ANSI_PROTOTYPES
const char *format;
#endif
va_list ap;
VA_START (ap, format);
#ifndef ANSI_PROTOTYPES
format = va_arg (ap, const char *);
#endif
fprintf (stderr, "%s: warning: ", progname);
vfprintf (stderr, format, ap);
va_end (ap);
fputc('\n', stderr);
}
/* Print an error message - we keep going but the output is unusable. */
void
error VPARAMS ((const char *format, ...))
{
#ifndef ANSI_PROTOTYPES
const char *format;
#endif
va_list ap;
VA_START (ap, format);
#ifndef ANSI_PROTOTYPES
format = va_arg (ap, const char *);
#endif
fprintf (stderr, "%s: ", progname);
vfprintf (stderr, format, ap);
va_end (ap);
fputc('\n', stderr);
have_error = 1;
}
/* Fatal error - terminate execution immediately. Does not return. */
void
fatal VPARAMS ((const char *format, ...))
{
#ifndef ANSI_PROTOTYPES
const char *format;
#endif
va_list ap;
VA_START (ap, format);
#ifndef ANSI_PROTOTYPES
format = va_arg (ap, const char *);
#endif
fprintf (stderr, "%s: ", progname);
vfprintf (stderr, format, ap);
va_end (ap);
fputc('\n', stderr);
exit (FATAL_EXIT_CODE);
}
/* Similar, but say we got an internal error. */
void
internal_error VPARAMS ((const char *format, ...))
{
#ifndef ANSI_PROTOTYPES
const char *format;
#endif
va_list ap;
VA_START (ap, format);
#ifndef ANSI_PROTOTYPES
format = va_arg (ap, const char *);
#endif
fprintf (stderr, "%s: Internal error", progname);
vfprintf (stderr, format, ap);
va_end (ap);
fputc ('\n', stderr);
exit (FATAL_EXIT_CODE);
}
/* Given a partial pathname as input, return another pathname that
shares no directory elements with the pathname of __FILE__. This
is used by fancy_abort() to print `Internal compiler error in expr.c'
instead of `Internal compiler error in ../../GCC/gcc/expr.c'. This
version if for the gen* programs and so neededn't handle subdirectories. */
const char *
trim_filename (name)
const char *name;
{
static const char this_file[] = __FILE__;
const char *p = name, *q = this_file;
/* Skip any parts the two filenames have in common. */
while (*p == *q && *p != 0 && *q != 0)
p++, q++;
/* Now go backwards until the previous directory separator. */
while (p > name && p[-1] != DIR_SEPARATOR
#ifdef DIR_SEPARATOR_2
&& p[-1] != DIR_SEPARATOR_2
#endif
)
p--;
return p;
}
/* "Fancy" abort. Reports where in the compiler someone gave up.
This file is used only by build programs, so we're not as polite as
the version in diagnostic.c. */
void
fancy_abort (file, line, func)
const char *file;
int line;
const char *func;
{
internal_error ("abort in %s, at %s:%d", func, file, line);
}
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