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_containing_files PARAMS ((cpp_reader *, cpp_buffer *));
33 static void print_file_and_line PARAMS ((const char *, long, long));
34 static void v_message PARAMS ((cpp_reader *, int,
35 const char *, long, long,
36 const char *, va_list));
38 /* Print the file names and line numbers of the #include
39 commands which led to the current file. */
42 print_containing_files (pfile, ip)
48 /* If stack of files hasn't changed since we last printed
49 this info, don't repeat it. */
50 if (pfile->input_stack_listing_current)
53 /* Find the other, outer source files. */
54 for (ip = CPP_PREV_BUFFER (ip); ip != NULL; ip = CPP_PREV_BUFFER (ip))
57 cpp_buf_line_and_col (ip, &line, NULL);
61 fprintf (stderr, _("In file included from %s:%ld"),
62 ip->nominal_fname, line);
65 /* Translators note: this message is used in conjunction
66 with "In file included from %s:%ld" and some other
67 tricks. We want something like this:
69 In file included from sys/select.h:123,
72 bits/select.h:45: <error message here>
74 The trailing comma is at the beginning of this message,
75 and the trailing colon is not translated. */
76 fprintf (stderr, _(",\n from %s:%ld"),
77 ip->nominal_fname, line);
80 fputs (":\n", stderr);
82 /* Record we have printed the status as of this time. */
83 pfile->input_stack_listing_current = 1;
87 print_file_and_line (filename, line, column)
91 if (filename == 0 || *filename == '\0')
94 fputs (_("<command line>: "), stderr);
96 fprintf (stderr, "%s:%ld:%ld: ", filename, line, column);
98 fprintf (stderr, "%s:%ld: ", filename, line);
101 /* IS_ERROR is 3 for ICE, 2 for merely "fatal" error,
102 1 for error, 0 for warning. */
105 v_message (pfile, is_error, file, line, col, msg, ap)
114 cpp_buffer *ip = cpp_file_buffer (pfile);
119 file = ip->nominal_fname;
121 cpp_buf_line_and_col (ip, &line, &col);
123 print_containing_files (pfile, ip);
124 print_file_and_line (file, line,
125 CPP_OPTION (pfile, show_column) ? col : 0);
128 fprintf (stderr, "%s: ", progname);
133 fprintf (stderr, _("warning: "));
136 if (pfile->errors < CPP_FATAL_LIMIT)
140 pfile->errors = CPP_FATAL_LIMIT;
143 fprintf (stderr, _("internal error: "));
144 pfile->errors = CPP_FATAL_LIMIT;
147 cpp_ice (pfile, "bad is_error(%d) in v_message", is_error);
150 vfprintf (stderr, _(msg), ap);
154 /* Exported interface. */
156 /* For reporting internal errors. Prints "internal error: " for you,
157 otherwise identical to cpp_fatal. */
160 cpp_ice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
162 #ifndef ANSI_PROTOTYPES
168 VA_START (ap, msgid);
170 #ifndef ANSI_PROTOTYPES
171 pfile = va_arg (ap, cpp_reader *);
172 msgid = va_arg (ap, const char *);
175 v_message (pfile, 3, NULL, -1, -1, msgid, ap);
179 /* Same as cpp_error, except we consider the error to be "fatal",
180 such as inconsistent options. I.e. there is little point in continuing.
181 (We do not exit, to support use of cpplib as a library.
182 Instead, it is the caller's responsibility to check
186 cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
188 #ifndef ANSI_PROTOTYPES
194 VA_START (ap, msgid);
196 #ifndef ANSI_PROTOTYPES
197 pfile = va_arg (ap, cpp_reader *);
198 msgid = va_arg (ap, const char *);
201 v_message (pfile, 2, NULL, -1, -1, msgid, ap);
206 cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
208 #ifndef ANSI_PROTOTYPES
216 #ifndef ANSI_PROTOTYPES
217 pfile = va_arg (ap, cpp_reader *);
218 msgid = va_arg (ap, const char *);
221 if (CPP_OPTION (pfile, inhibit_errors))
224 v_message (pfile, 1, NULL, -1, -1, msgid, ap);
229 cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column,
230 const char *msgid, ...))
232 #ifndef ANSI_PROTOTYPES
240 VA_START (ap, msgid);
242 #ifndef ANSI_PROTOTYPES
243 pfile = va_arg (ap, cpp_reader *);
244 line = va_arg (ap, int);
245 column = va_arg (ap, int);
246 msgid = va_arg (ap, const char *);
249 if (CPP_OPTION (pfile, inhibit_errors))
252 v_message (pfile, 1, NULL, line, column, msgid, ap);
256 /* Error including a message from `errno'. */
258 cpp_error_from_errno (pfile, name)
262 cpp_error (pfile, "%s: %s", name, xstrerror (errno));
266 cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
268 #ifndef ANSI_PROTOTYPES
274 VA_START (ap, msgid);
276 #ifndef ANSI_PROTOTYPES
277 pfile = va_arg (ap, cpp_reader *);
278 msgid = va_arg (ap, const char *);
281 if (CPP_OPTION (pfile, inhibit_warnings))
284 v_message (pfile, 0, NULL, -1, -1, msgid, ap);
289 cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
290 const char *msgid, ...))
292 #ifndef ANSI_PROTOTYPES
300 VA_START (ap, msgid);
302 #ifndef ANSI_PROTOTYPES
303 pfile = va_arg (ap, cpp_reader *);
304 line = va_arg (ap, int);
305 column = va_arg (ap, int);
306 msgid = va_arg (ap, const char *);
309 if (CPP_OPTION (pfile, inhibit_warnings))
312 v_message (pfile, 0, NULL, line, column, msgid, ap);
317 cpp_pedwarn VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
319 #ifndef ANSI_PROTOTYPES
325 VA_START (ap, msgid);
327 #ifndef ANSI_PROTOTYPES
328 pfile = va_arg (ap, cpp_reader *);
329 msgid = va_arg (ap, const char *);
332 if (CPP_OPTION (pfile, pedantic_errors)
333 ? CPP_OPTION (pfile, inhibit_errors)
334 : CPP_OPTION (pfile, inhibit_warnings))
337 v_message (pfile, CPP_OPTION (pfile, pedantic_errors),
338 NULL, -1, -1, msgid, ap);
343 cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
344 const char *msgid, ...))
346 #ifndef ANSI_PROTOTYPES
354 VA_START (ap, msgid);
356 #ifndef ANSI_PROTOTYPES
357 pfile = va_arg (ap, cpp_reader *);
358 line = va_arg (ap, int);
359 column = va_arg (ap, int);
360 msgid = va_arg (ap, const char *);
363 if (CPP_OPTION (pfile, pedantic_errors)
364 ? CPP_OPTION (pfile, inhibit_errors)
365 : CPP_OPTION (pfile, inhibit_warnings))
368 v_message (pfile, CPP_OPTION (pfile, pedantic_errors),
369 NULL, line, column, msgid, ap);
373 /* Report a warning (or an error if pedantic_errors)
374 giving specified file name and line number, not current. */
377 cpp_pedwarn_with_file_and_line VPARAMS ((cpp_reader *pfile,
378 const char *file, int line, int col,
379 const char *msgid, ...))
381 #ifndef ANSI_PROTOTYPES
390 VA_START (ap, msgid);
392 #ifndef ANSI_PROTOTYPES
393 pfile = va_arg (ap, cpp_reader *);
394 file = va_arg (ap, const char *);
395 line = va_arg (ap, int);
396 col = va_arg (ap, int);
397 msgid = va_arg (ap, const char *);
400 if (CPP_OPTION (pfile, pedantic_errors)
401 ? CPP_OPTION (pfile, inhibit_errors)
402 : CPP_OPTION (pfile, inhibit_warnings))
405 v_message (pfile, CPP_OPTION (pfile, pedantic_errors),
406 file, line, col, msgid, ap);
410 /* Print an error message not associated with a file. */
412 cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
414 #ifndef ANSI_PROTOTYPES
420 VA_START (ap, msgid);
422 #ifndef ANSI_PROTOTYPES
423 pfile = va_arg (ap, cpp_reader *);
424 msgid = va_arg (ap, const char *);
427 if (pfile->errors < CPP_FATAL_LIMIT)
430 vfprintf (stderr, _(msgid), ap);
437 cpp_notice_from_errno (pfile, name)
441 cpp_notice (pfile, "%s: %s", name, xstrerror (errno));