1 /* Basic error reporting routines.
2 Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
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 3, 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 COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 /* warning, error, and fatal. These definitions are suitable for use
22 in the generator programs; the compiler has a more elaborate suite
23 of diagnostic printers, found in diagnostic.c. */
33 /* Set this to argv[0] at the beginning of main. */
37 /* Starts out 0, set to 1 if error is called. */
41 /* Print a warning message - output produced, but there may be problems. */
44 warning (const char *format, ...)
48 va_start (ap, format);
49 fprintf (stderr, "%s: warning: ", progname);
50 vfprintf (stderr, format, ap);
56 /* Print an error message - we keep going but the output is unusable. */
59 error (const char *format, ...)
63 va_start (ap, format);
64 fprintf (stderr, "%s: ", progname);
65 vfprintf (stderr, format, ap);
73 /* Fatal error - terminate execution immediately. Does not return. */
76 fatal (const char *format, ...)
80 va_start (ap, format);
81 fprintf (stderr, "%s: ", progname);
82 vfprintf (stderr, format, ap);
85 exit (FATAL_EXIT_CODE);
88 /* Similar, but say we got an internal error. */
91 internal_error (const char *format, ...)
95 va_start (ap, format);
96 fprintf (stderr, "%s: Internal error: ", progname);
97 vfprintf (stderr, format, ap);
100 exit (FATAL_EXIT_CODE);
103 /* Given a partial pathname as input, return another pathname that
104 shares no directory elements with the pathname of __FILE__. This
105 is used by fancy_abort() to print `Internal compiler error in expr.c'
106 instead of `Internal compiler error in ../../GCC/gcc/expr.c'. This
107 version is meant to be used for the gen* programs and therefor need not
108 handle subdirectories. */
111 trim_filename (const char *name)
113 static const char this_file[] = __FILE__;
114 const char *p = name, *q = this_file;
116 /* Skip any parts the two filenames have in common. */
117 while (*p == *q && *p != 0 && *q != 0)
120 /* Now go backwards until the previous directory separator. */
121 while (p > name && !IS_DIR_SEPARATOR (p[-1]))
127 /* "Fancy" abort. Reports where in the compiler someone gave up.
128 This file is used only by build programs, so we're not as polite as
129 the version in diagnostic.c. */
131 fancy_abort (const char *file, int line, const char *func)
133 internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line);