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. */
28 #include "coretypes.h"
32 /* Set this to argv[0] at the beginning of main. */
36 /* Starts out 0, set to 1 if error is called. */
40 /* Print a warning message - output produced, but there may be problems. */
43 warning (const char *format, ...)
47 va_start (ap, format);
48 fprintf (stderr, "%s: warning: ", progname);
49 vfprintf (stderr, format, ap);
55 /* Print an error message - we keep going but the output is unusable. */
58 error (const char *format, ...)
62 va_start (ap, format);
63 fprintf (stderr, "%s: ", progname);
64 vfprintf (stderr, format, ap);
72 /* Fatal error - terminate execution immediately. Does not return. */
75 fatal (const char *format, ...)
79 va_start (ap, format);
80 fprintf (stderr, "%s: ", progname);
81 vfprintf (stderr, format, ap);
84 exit (FATAL_EXIT_CODE);
87 /* Similar, but say we got an internal error. */
90 internal_error (const char *format, ...)
94 va_start (ap, format);
95 fprintf (stderr, "%s: Internal error: ", progname);
96 vfprintf (stderr, format, ap);
99 exit (FATAL_EXIT_CODE);
102 /* Given a partial pathname as input, return another pathname that
103 shares no directory elements with the pathname of __FILE__. This
104 is used by fancy_abort() to print `Internal compiler error in expr.c'
105 instead of `Internal compiler error in ../../GCC/gcc/expr.c'. This
106 version if for the gen* programs and so needn't handle subdirectories. */
109 trim_filename (const char *name)
111 static const char this_file[] = __FILE__;
112 const char *p = name, *q = this_file;
114 /* Skip any parts the two filenames have in common. */
115 while (*p == *q && *p != 0 && *q != 0)
118 /* Now go backwards until the previous directory separator. */
119 while (p > name && p[-1] != DIR_SEPARATOR
120 #ifdef DIR_SEPARATOR_2
121 && p[-1] != DIR_SEPARATOR_2
129 /* "Fancy" abort. Reports where in the compiler someone gave up.
130 This file is used only by build programs, so we're not as polite as
131 the version in diagnostic.c. */
133 fancy_abort (const char *file, int line, const char *func)
135 internal_error ("abort in %s, at %s:%d", func, file, line);