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
*,
33 const cpp_lexer_pos
*));
35 /* Don't remove the blank before do, as otherwise the exgettext
36 script will mistake this as a function definition */
37 #define v_message(msgid, ap) \
38 do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
41 print_location (pfile
, pos
)
43 const cpp_lexer_pos
*pos
;
45 cpp_buffer
*buffer
= pfile
->buffer
;
48 fprintf (stderr
, "%s: ", progname
);
51 unsigned int line
, col
;
52 const struct line_map
*map
;
55 pos
= cpp_get_line (pfile
);
56 map
= lookup_line (&pfile
->line_maps
, pos
->line
);
58 print_containing_files (&pfile
->line_maps
, map
);
60 line
= SOURCE_LINE (map
, pos
->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
78 If it returns 0, this error has been suppressed. */
81 _cpp_begin_message (pfile
, code
, pos
)
84 const cpp_lexer_pos
*pos
;
92 if (CPP_IN_SYSTEM_HEADER (pfile
)
93 && ! CPP_OPTION (pfile
, warn_system_headers
))
96 if (CPP_OPTION (pfile
, warnings_are_errors
)
97 || (code
== PEDWARN
&& CPP_OPTION (pfile
, pedantic_errors
)))
99 if (CPP_OPTION (pfile
, inhibit_errors
))
101 if (pfile
->errors
< CPP_FATAL_LIMIT
)
106 if (CPP_OPTION (pfile
, inhibit_warnings
))
113 if (CPP_OPTION (pfile
, inhibit_errors
))
115 if (pfile
->errors
< CPP_FATAL_LIMIT
)
118 /* Fatal errors cannot be inhibited. */
120 pfile
->errors
= CPP_FATAL_LIMIT
;
123 fprintf (stderr
, _("internal error: "));
124 pfile
->errors
= CPP_FATAL_LIMIT
;
128 print_location (pfile
, pos
);
130 fputs (_("warning: "), stderr
);
135 /* Exported interface. */
137 /* For reporting internal errors. Prints "internal error: " for you,
138 otherwise identical to cpp_fatal. */
141 cpp_ice
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
144 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
145 VA_FIXEDARG (ap
, const char *, msgid
);
147 if (_cpp_begin_message (pfile
, ICE
, 0))
148 v_message (msgid
, ap
);
153 /* Same as cpp_error, except we consider the error to be "fatal",
154 such as inconsistent options. I.e. there is little point in continuing.
155 (We do not exit, to support use of cpplib as a library.
156 Instead, it is the caller's responsibility to check
160 cpp_fatal
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
163 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
164 VA_FIXEDARG (ap
, const char *, msgid
);
166 if (_cpp_begin_message (pfile
, FATAL
, 0))
167 v_message (msgid
, ap
);
173 cpp_error
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
176 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
177 VA_FIXEDARG (ap
, const char *, msgid
);
179 if (_cpp_begin_message (pfile
, ERROR
, 0))
180 v_message (msgid
, ap
);
186 cpp_error_with_line
VPARAMS ((cpp_reader
*pfile
, int line
, int column
,
187 const char *msgid
, ...))
192 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
193 VA_FIXEDARG (ap
, int, line
);
194 VA_FIXEDARG (ap
, int, column
);
195 VA_FIXEDARG (ap
, const char *, msgid
);
199 if (_cpp_begin_message (pfile
, ERROR
, &pos
))
200 v_message (msgid
, ap
);
205 /* Error including a message from `errno'. */
207 cpp_error_from_errno (pfile
, name
)
211 cpp_error (pfile
, "%s: %s", name
, xstrerror (errno
));
215 cpp_warning
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
218 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
219 VA_FIXEDARG (ap
, const char *, msgid
);
221 if (_cpp_begin_message (pfile
, WARNING
, 0))
222 v_message (msgid
, ap
);
228 cpp_warning_with_line
VPARAMS ((cpp_reader
* pfile
, int line
, int column
,
229 const char *msgid
, ...))
234 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
235 VA_FIXEDARG (ap
, int, line
);
236 VA_FIXEDARG (ap
, int, column
);
237 VA_FIXEDARG (ap
, const char *, msgid
);
241 if (_cpp_begin_message (pfile
, WARNING
, &pos
))
242 v_message (msgid
, ap
);
248 cpp_pedwarn
VPARAMS ((cpp_reader
* pfile
, const char *msgid
, ...))
251 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
252 VA_FIXEDARG (ap
, const char *, msgid
);
254 if (_cpp_begin_message (pfile
, PEDWARN
, 0))
255 v_message (msgid
, ap
);
261 cpp_pedwarn_with_line
VPARAMS ((cpp_reader
* pfile
, int line
, int column
,
262 const char *msgid
, ...))
267 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
268 VA_FIXEDARG (ap
, int, line
);
269 VA_FIXEDARG (ap
, int, column
);
270 VA_FIXEDARG (ap
, const char *, msgid
);
274 if (_cpp_begin_message (pfile
, PEDWARN
, &pos
))
275 v_message (msgid
, ap
);
280 /* Print an error message not associated with a file. */
282 cpp_notice
VPARAMS ((cpp_reader
*pfile
, const char *msgid
, ...))
285 VA_FIXEDARG (ap
, cpp_reader
*, pfile
);
286 VA_FIXEDARG (ap
, const char *, msgid
);
288 if (pfile
->errors
< CPP_FATAL_LIMIT
)
291 v_message (msgid
, ap
);
297 cpp_notice_from_errno (pfile
, name
)
303 cpp_notice (pfile
, "%s: %s", name
, xstrerror (errno
));