1 /* Default error handlers for CPP Library.
2 Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000
3 Free Software Foundation, Inc.
4 Written by Per Bothner, 1994.
5 Based on CCCP program by Paul Rubin, June 1986
6 Adapted to ANSI C, Richard Stallman, Jan 1987
8 This program is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 In other words, you are welcome to use, share and improve this program.
23 You are forbidden to forbid anyone else to use, share and improve
24 what you give them. Help stamp out software-hoarding! */
32 static void print_location
PARAMS ((cpp_reader
*, unsigned int, unsigned int));
34 /* Don't remove the blank before do, as otherwise the exgettext
35 script will mistake this as a function definition */
36 #define v_message(msgid, ap) \
37 do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
40 print_location (pfile
, line
, col
)
42 unsigned int line
, col
;
44 cpp_buffer
*buffer
= pfile
->buffer
;
47 fprintf (stderr
, "%s: ", progname
);
50 const struct line_map
*map
;
54 line
= pfile
->cur_token
[-1].line
;
55 col
= pfile
->cur_token
[-1].col
;
58 map
= lookup_line (&pfile
->line_maps
, line
);
59 print_containing_files (&pfile
->line_maps
, map
);
61 line
= SOURCE_LINE (map
, line
);
66 fprintf (stderr
, "%s:", map
->to_file
);
67 else if (CPP_OPTION (pfile
, show_column
) == 0)
68 fprintf (stderr
, "%s:%u:", map
->to_file
, line
);
70 fprintf (stderr
, "%s:%u:%u:", map
->to_file
, line
, col
);
76 /* Set up for an error message: print the file and line, bump the error
77 counter, etc. LINE is the logical line number; zero means to print
78 at the location of the previously lexed token, which tends to be the
79 correct place by default. Returns 0 if the error has been suppressed. */
82 _cpp_begin_message (pfile
, code
, line
, column
)
85 unsigned int line
, column
;
93 if (CPP_IN_SYSTEM_HEADER (pfile
)
94 && ! CPP_OPTION (pfile
, warn_system_headers
))
97 if (CPP_OPTION (pfile
, warnings_are_errors
)
98 || (code
== PEDWARN
&& CPP_OPTION (pfile
, pedantic_errors
)))
100 if (CPP_OPTION (pfile
, inhibit_errors
))
102 if (pfile
->errors
< CPP_FATAL_LIMIT
)
107 if (CPP_OPTION (pfile
, inhibit_warnings
))
114 if (CPP_OPTION (pfile
, inhibit_errors
))
116 if (pfile
->errors
< CPP_FATAL_LIMIT
)
119 /* Fatal errors cannot be inhibited. */
121 pfile
->errors
= CPP_FATAL_LIMIT
;
124 fprintf (stderr
, _("internal error: "));
125 pfile
->errors
= CPP_FATAL_LIMIT
;
129 print_location (pfile
, line
, column
);
131 fputs (_("warning: "), stderr
);
136 /* Exported interface. */
138 /* For reporting internal errors. Prints "internal error: " for you,
139 otherwise identical to cpp_fatal. */
142 cpp_ice
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
145 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
146 VA_FIXEDARG (ap
, const char *, msgid
);
148 if (_cpp_begin_message (pfile
, ICE
, 0, 0))
149 v_message (msgid
, ap
);
154 /* Same as cpp_error, except we consider the error to be "fatal",
155 such as inconsistent options. I.e. there is little point in continuing.
156 (We do not exit, to support use of cpplib as a library.
157 Instead, it is the caller's responsibility to check
161 cpp_fatal
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
164 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
165 VA_FIXEDARG (ap
, const char *, msgid
);
167 if (_cpp_begin_message (pfile
, FATAL
, 0, 0))
168 v_message (msgid
, ap
);
174 cpp_error
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
177 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
178 VA_FIXEDARG (ap
, const char *, msgid
);
180 if (_cpp_begin_message (pfile
, ERROR
, 0, 0))
181 v_message (msgid
, ap
);
187 cpp_error_with_line
VPARAMS ((cpp_reader
*pfile
, int line
, int column
,
188 const char *msgid
, ...))
191 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
192 VA_FIXEDARG (ap
, int, line
);
193 VA_FIXEDARG (ap
, int, column
);
194 VA_FIXEDARG (ap
, const char *, msgid
);
196 if (_cpp_begin_message (pfile
, ERROR
, line
, column
))
197 v_message (msgid
, ap
);
202 /* Error including a message from `errno'. */
204 cpp_error_from_errno (pfile
, name
)
208 cpp_error (pfile
, "%s: %s", name
, xstrerror (errno
));
212 cpp_warning
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
215 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
216 VA_FIXEDARG (ap
, const char *, msgid
);
218 if (_cpp_begin_message (pfile
, WARNING
, 0, 0))
219 v_message (msgid
, ap
);
225 cpp_warning_with_line
VPARAMS ((cpp_reader
* pfile
, int line
, int column
,
226 const char *msgid
, ...))
229 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
230 VA_FIXEDARG (ap
, int, line
);
231 VA_FIXEDARG (ap
, int, column
);
232 VA_FIXEDARG (ap
, const char *, msgid
);
234 if (_cpp_begin_message (pfile
, WARNING
, line
, column
))
235 v_message (msgid
, ap
);
241 cpp_pedwarn
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
244 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
245 VA_FIXEDARG (ap
, const char *, msgid
);
247 if (_cpp_begin_message (pfile
, PEDWARN
, 0, 0))
248 v_message (msgid
, ap
);
254 cpp_pedwarn_with_line
VPARAMS ((cpp_reader
* pfile
, int line
, int column
,
255 const char *msgid
, ...))
258 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
259 VA_FIXEDARG (ap
, int, line
);
260 VA_FIXEDARG (ap
, int, column
);
261 VA_FIXEDARG (ap
, const char *, msgid
);
263 if (_cpp_begin_message (pfile
, PEDWARN
, line
, column
))
264 v_message (msgid
, ap
);
269 /* Print an error message not associated with a file. */
271 cpp_notice
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
274 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
275 VA_FIXEDARG (ap
, const char *, msgid
);
277 if (pfile
->errors
< CPP_FATAL_LIMIT
)
280 v_message (msgid
, ap
);
286 cpp_notice_from_errno (pfile
, name
)
292 cpp_notice (pfile
, "%s: %s", name
, xstrerror (errno
));