| 1 |
280 |
jeremybenn |
/* Basic error reporting routines.
|
| 2 |
|
|
Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
This file is part of GCC.
|
| 6 |
|
|
|
| 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
|
| 10 |
|
|
version.
|
| 11 |
|
|
|
| 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
|
| 15 |
|
|
for more details.
|
| 16 |
|
|
|
| 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/>. */
|
| 20 |
|
|
|
| 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. */
|
| 24 |
|
|
|
| 25 |
|
|
#ifdef GENERATOR_FILE
|
| 26 |
|
|
#include "bconfig.h"
|
| 27 |
|
|
#else
|
| 28 |
|
|
#include "config.h"
|
| 29 |
|
|
#endif
|
| 30 |
|
|
#include "system.h"
|
| 31 |
|
|
#include "errors.h"
|
| 32 |
|
|
|
| 33 |
|
|
/* Set this to argv[0] at the beginning of main. */
|
| 34 |
|
|
|
| 35 |
|
|
const char *progname;
|
| 36 |
|
|
|
| 37 |
|
|
/* Starts out 0, set to 1 if error is called. */
|
| 38 |
|
|
|
| 39 |
|
|
int have_error = 0;
|
| 40 |
|
|
|
| 41 |
|
|
/* Print a warning message - output produced, but there may be problems. */
|
| 42 |
|
|
|
| 43 |
|
|
void
|
| 44 |
|
|
warning (const char *format, ...)
|
| 45 |
|
|
{
|
| 46 |
|
|
va_list ap;
|
| 47 |
|
|
|
| 48 |
|
|
va_start (ap, format);
|
| 49 |
|
|
fprintf (stderr, "%s: warning: ", progname);
|
| 50 |
|
|
vfprintf (stderr, format, ap);
|
| 51 |
|
|
va_end (ap);
|
| 52 |
|
|
fputc('\n', stderr);
|
| 53 |
|
|
}
|
| 54 |
|
|
|
| 55 |
|
|
|
| 56 |
|
|
/* Print an error message - we keep going but the output is unusable. */
|
| 57 |
|
|
|
| 58 |
|
|
void
|
| 59 |
|
|
error (const char *format, ...)
|
| 60 |
|
|
{
|
| 61 |
|
|
va_list ap;
|
| 62 |
|
|
|
| 63 |
|
|
va_start (ap, format);
|
| 64 |
|
|
fprintf (stderr, "%s: ", progname);
|
| 65 |
|
|
vfprintf (stderr, format, ap);
|
| 66 |
|
|
va_end (ap);
|
| 67 |
|
|
fputc('\n', stderr);
|
| 68 |
|
|
|
| 69 |
|
|
have_error = 1;
|
| 70 |
|
|
}
|
| 71 |
|
|
|
| 72 |
|
|
|
| 73 |
|
|
/* Fatal error - terminate execution immediately. Does not return. */
|
| 74 |
|
|
|
| 75 |
|
|
void
|
| 76 |
|
|
fatal (const char *format, ...)
|
| 77 |
|
|
{
|
| 78 |
|
|
va_list ap;
|
| 79 |
|
|
|
| 80 |
|
|
va_start (ap, format);
|
| 81 |
|
|
fprintf (stderr, "%s: ", progname);
|
| 82 |
|
|
vfprintf (stderr, format, ap);
|
| 83 |
|
|
va_end (ap);
|
| 84 |
|
|
fputc('\n', stderr);
|
| 85 |
|
|
exit (FATAL_EXIT_CODE);
|
| 86 |
|
|
}
|
| 87 |
|
|
|
| 88 |
|
|
/* Similar, but say we got an internal error. */
|
| 89 |
|
|
|
| 90 |
|
|
void
|
| 91 |
|
|
internal_error (const char *format, ...)
|
| 92 |
|
|
{
|
| 93 |
|
|
va_list ap;
|
| 94 |
|
|
|
| 95 |
|
|
va_start (ap, format);
|
| 96 |
|
|
fprintf (stderr, "%s: Internal error: ", progname);
|
| 97 |
|
|
vfprintf (stderr, format, ap);
|
| 98 |
|
|
va_end (ap);
|
| 99 |
|
|
fputc ('\n', stderr);
|
| 100 |
|
|
exit (FATAL_EXIT_CODE);
|
| 101 |
|
|
}
|
| 102 |
|
|
|
| 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. */
|
| 109 |
|
|
|
| 110 |
|
|
const char *
|
| 111 |
|
|
trim_filename (const char *name)
|
| 112 |
|
|
{
|
| 113 |
|
|
static const char this_file[] = __FILE__;
|
| 114 |
|
|
const char *p = name, *q = this_file;
|
| 115 |
|
|
|
| 116 |
|
|
/* Skip any parts the two filenames have in common. */
|
| 117 |
|
|
while (*p == *q && *p != 0 && *q != 0)
|
| 118 |
|
|
p++, q++;
|
| 119 |
|
|
|
| 120 |
|
|
/* Now go backwards until the previous directory separator. */
|
| 121 |
|
|
while (p > name && !IS_DIR_SEPARATOR (p[-1]))
|
| 122 |
|
|
p--;
|
| 123 |
|
|
|
| 124 |
|
|
return p;
|
| 125 |
|
|
}
|
| 126 |
|
|
|
| 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. */
|
| 130 |
|
|
void
|
| 131 |
|
|
fancy_abort (const char *file, int line, const char *func)
|
| 132 |
|
|
{
|
| 133 |
|
|
internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line);
|
| 134 |
|
|
}
|
