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);
72 if (buffer->type == BUF_PRAGMA)
73 fprintf (stderr, "_Pragma:");
78 /* Set up for an error message: print the file and line, bump the error
80 If it returns 0, this error has been suppressed. */
83 _cpp_begin_message (pfile, code, pos)
86 const cpp_lexer_pos *pos;
94 if (CPP_IN_SYSTEM_HEADER (pfile)
95 && ! CPP_OPTION (pfile, warn_system_headers))
98 if (CPP_OPTION (pfile, warnings_are_errors)
99 || (code == PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
101 if (CPP_OPTION (pfile, inhibit_errors))
103 if (pfile->errors < CPP_FATAL_LIMIT)
108 if (CPP_OPTION (pfile, inhibit_warnings))
115 if (CPP_OPTION (pfile, inhibit_errors))
117 if (pfile->errors < CPP_FATAL_LIMIT)
120 /* Fatal errors cannot be inhibited. */
122 pfile->errors = CPP_FATAL_LIMIT;
125 fprintf (stderr, _("internal error: "));
126 pfile->errors = CPP_FATAL_LIMIT;
130 print_location (pfile, pos);
132 fputs (_("warning: "), stderr);
137 /* Exported interface. */
139 /* For reporting internal errors. Prints "internal error: " for you,
140 otherwise identical to cpp_fatal. */
143 cpp_ice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
146 VA_FIXEDARG (ap, cpp_reader *, pfile);
147 VA_FIXEDARG (ap, const char *, msgid);
149 if (_cpp_begin_message (pfile, ICE, 0))
150 v_message (msgid, ap);
155 /* Same as cpp_error, except we consider the error to be "fatal",
156 such as inconsistent options. I.e. there is little point in continuing.
157 (We do not exit, to support use of cpplib as a library.
158 Instead, it is the caller's responsibility to check
162 cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
165 VA_FIXEDARG (ap, cpp_reader *, pfile);
166 VA_FIXEDARG (ap, const char *, msgid);
168 if (_cpp_begin_message (pfile, FATAL, 0))
169 v_message (msgid, ap);
175 cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
178 VA_FIXEDARG (ap, cpp_reader *, pfile);
179 VA_FIXEDARG (ap, const char *, msgid);
181 if (_cpp_begin_message (pfile, ERROR, 0))
182 v_message (msgid, ap);
188 cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column,
189 const char *msgid, ...))
194 VA_FIXEDARG (ap, cpp_reader *, pfile);
195 VA_FIXEDARG (ap, int, line);
196 VA_FIXEDARG (ap, int, column);
197 VA_FIXEDARG (ap, const char *, msgid);
201 if (_cpp_begin_message (pfile, ERROR, &pos))
202 v_message (msgid, ap);
207 /* Error including a message from `errno'. */
209 cpp_error_from_errno (pfile, name)
213 cpp_error (pfile, "%s: %s", name, xstrerror (errno));
217 cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
220 VA_FIXEDARG (ap, cpp_reader *, pfile);
221 VA_FIXEDARG (ap, const char *, msgid);
223 if (_cpp_begin_message (pfile, WARNING, 0))
224 v_message (msgid, ap);
230 cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
231 const char *msgid, ...))
236 VA_FIXEDARG (ap, cpp_reader *, pfile);
237 VA_FIXEDARG (ap, int, line);
238 VA_FIXEDARG (ap, int, column);
239 VA_FIXEDARG (ap, const char *, msgid);
243 if (_cpp_begin_message (pfile, WARNING, &pos))
244 v_message (msgid, ap);
250 cpp_pedwarn VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
253 VA_FIXEDARG (ap, cpp_reader *, pfile);
254 VA_FIXEDARG (ap, const char *, msgid);
256 if (_cpp_begin_message (pfile, PEDWARN, 0))
257 v_message (msgid, ap);
263 cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
264 const char *msgid, ...))
269 VA_FIXEDARG (ap, cpp_reader *, pfile);
270 VA_FIXEDARG (ap, int, line);
271 VA_FIXEDARG (ap, int, column);
272 VA_FIXEDARG (ap, const char *, msgid);
276 if (_cpp_begin_message (pfile, PEDWARN, &pos))
277 v_message (msgid, ap);
282 /* Print an error message not associated with a file. */
284 cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
287 VA_FIXEDARG (ap, cpp_reader *, pfile);
288 VA_FIXEDARG (ap, const char *, msgid);
290 if (pfile->errors < CPP_FATAL_LIMIT)
293 v_message (msgid, ap);
299 cpp_notice_from_errno (pfile, name)
305 cpp_notice (pfile, "%s: %s", name, xstrerror (errno));