1 /* Basic error reporting routines.
2 Copyright (C) 1999, 2000, 2001, 2003
3 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 /* warning, error, and fatal. These definitions are suitable for use
23 in the generator programs; eventually we would like to use them in
24 cc1 too, but that's a longer term project. */
30 /* Set this to argv[0] at the beginning of main. */
34 /* Starts out 0, set to 1 if error is called. */
38 /* Print a warning message - output produced, but there may be problems. */
41 warning (const char *format, ...)
45 va_start (ap, format);
46 fprintf (stderr, "%s: warning: ", progname);
47 vfprintf (stderr, format, ap);
53 /* Print an error message - we keep going but the output is unusable. */
56 error (const char *format, ...)
60 va_start (ap, format);
61 fprintf (stderr, "%s: ", progname);
62 vfprintf (stderr, format, ap);
70 /* Fatal error - terminate execution immediately. Does not return. */
73 fatal (const char *format, ...)
77 va_start (ap, format);
78 fprintf (stderr, "%s: ", progname);
79 vfprintf (stderr, format, ap);
82 exit (FATAL_EXIT_CODE);
85 /* Similar, but say we got an internal error. */
88 internal_error (const char *format, ...)
92 va_start (ap, format);
93 fprintf (stderr, "%s: Internal error: ", progname);
94 vfprintf (stderr, format, ap);
97 exit (FATAL_EXIT_CODE);
100 /* Given a partial pathname as input, return another pathname that
101 shares no directory elements with the pathname of __FILE__. This
102 is used by fancy_abort() to print `Internal compiler error in expr.c'
103 instead of `Internal compiler error in ../../GCC/gcc/expr.c'. This
104 version if for the gen* programs and so needn't handle subdirectories. */
107 trim_filename (const char *name)
109 static const char this_file[] = __FILE__;
110 const char *p = name, *q = this_file;
112 /* Skip any parts the two filenames have in common. */
113 while (*p == *q && *p != 0 && *q != 0)
116 /* Now go backwards until the previous directory separator. */
117 while (p > name && !IS_DIR_SEPARATOR (p[-1]))
123 /* "Fancy" abort. Reports where in the compiler someone gave up.
124 This file is used only by build programs, so we're not as polite as
125 the version in diagnostic.c. */
127 fancy_abort (const char *file, int line, const char *func)
129 internal_error ("abort in %s, at %s:%d", func, file, line);