* doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP

[pf3gnuchains/gcc-fork.git] / gcc / errors.c

diff --git a/gcc/errors.c b/gcc/errors.c
index 8ccd7d0..ab5e2a8 100644 (file)
--- a/gcc/errors.c
+++ b/gcc/errors.c
@@ -1,28 +1,33 @@
 /* Basic error reporting routines.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
+   Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-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.
+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 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.
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, 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.  */
+   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"
 
@@ -37,19 +42,11 @@ int have_error = 0;
 /* Print a warning message - output produced, but there may be problems.  */
 
 void
-warning VPARAMS ((const char *format, ...))
+warning (int opt ATTRIBUTE_UNUSED, 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
-
+  va_start (ap, format);
   fprintf (stderr, "%s: warning: ", progname);
   vfprintf (stderr, format, ap);
   va_end (ap);
@@ -60,19 +57,11 @@ warning VPARAMS ((const char *format, ...))
 /* Print an error message - we keep going but the output is unusable.  */
 
 void
-error VPARAMS ((const char *format, ...))
+error (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
-
+  va_start (ap, format);
   fprintf (stderr, "%s: ", progname);
   vfprintf (stderr, format, ap);
   va_end (ap);
@@ -85,19 +74,11 @@ error VPARAMS ((const char *format, ...))
 /* Fatal error - terminate execution immediately.  Does not return.  */
 
 void
-fatal VPARAMS ((const char *format, ...))
+fatal (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
-
+  va_start (ap, format);
   fprintf (stderr, "%s: ", progname);
   vfprintf (stderr, format, ap);
   va_end (ap);
@@ -105,14 +86,49 @@ fatal VPARAMS ((const char *format, ...))
   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 (file, line, func)
-     const char *file;
-     int line;
-     const char *func;
+fancy_abort (const char *file, int line, const char *func)
 {
-  fatal ("ICE in %s, at %s:%d", func, file, line);
+  internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line);
 }