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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [errors.c] - Rev 154

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/* Basic error reporting routines.
   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2007
   Free Software Foundation, Inc.
 
This file is part of GCC.
 
GCC 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 3, or (at your option) any later
version.
 
GCC 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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
/* warning, error, and fatal.  These definitions are suitable for use
   in the generator programs; the compiler has a more elaborate suite
   of diagnostic printers, found in diagnostic.c.  */
 
#ifdef GENERATOR_FILE
#include "bconfig.h"
#else
#include "config.h"
#endif
#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 (int opt ATTRIBUTE_UNUSED, const char *format, ...)
{
  va_list ap;
 
  va_start (ap, format);
  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 (const char *format, ...)
{
  va_list ap;
 
  va_start (ap, format);
  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 (const char *format, ...)
{
  va_list ap;
 
  va_start (ap, format);
  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 (const char *format, ...)
{
  va_list ap;
 
  va_start (ap, format);
  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 needn't handle subdirectories.  */
 
const char *
trim_filename (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 && !IS_DIR_SEPARATOR (p[-1]))
    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 (const char *file, int line, const char *func)
{
  internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line);
}
 

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