1 /* Default error handlers for CPP Library.
2 Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
3 2001, 2002, 2004 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 (cpp_reader
*, fileline
, unsigned int);
34 /* Print the logical file location (LINE, COL) in preparation for a
35 diagnostic. Outputs the #include chain if it has changed. A line
36 of zero suppresses the include stack, and outputs the program name
39 print_location (cpp_reader
*pfile
, fileline line
, unsigned int col
)
42 fprintf (stderr
, "%s: ", progname
);
45 const struct line_map
*map
;
48 map
= linemap_lookup (pfile
->line_table
, line
);
49 linemap_print_containing_files (pfile
->line_table
, map
);
51 lin
= SOURCE_LINE (map
, line
);
56 fprintf (stderr
, "%s:", map
->to_file
);
57 else if (CPP_OPTION (pfile
, show_column
) == 0)
58 fprintf (stderr
, "%s:%u:", map
->to_file
, lin
);
60 fprintf (stderr
, "%s:%u:%u:", map
->to_file
, lin
, col
);
66 /* Set up for a diagnostic: print the file and line, bump the error
67 counter, etc. LINE is the logical line number; zero means to print
68 at the location of the previously lexed token, which tends to be
69 the correct place by default. Returns 0 if the error has been
72 _cpp_begin_message (cpp_reader
*pfile
, int code
, fileline line
,
75 int level
= CPP_DL_EXTRACT (code
);
81 if (CPP_IN_SYSTEM_HEADER (pfile
)
82 && ! CPP_OPTION (pfile
, warn_system_headers
))
86 case CPP_DL_WARNING_SYSHDR
:
87 if (CPP_OPTION (pfile
, warnings_are_errors
)
88 || (level
== CPP_DL_PEDWARN
&& CPP_OPTION (pfile
, pedantic_errors
)))
90 if (CPP_OPTION (pfile
, inhibit_errors
))
95 else if (CPP_OPTION (pfile
, inhibit_warnings
))
100 if (CPP_OPTION (pfile
, inhibit_errors
))
102 /* ICEs cannot be inhibited. */
108 print_location (pfile
, line
, column
);
109 if (CPP_DL_WARNING_P (level
))
110 fputs (_("warning: "), stderr
);
111 else if (level
== CPP_DL_ICE
)
112 fputs (_("internal error: "), stderr
);
117 /* Don't remove the blank before do, as otherwise the exgettext
118 script will mistake this as a function definition */
119 #define v_message(msgid, ap) \
120 do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
122 /* Exported interface. */
124 /* Print an error at the location of the previously lexed token. */
126 cpp_error (cpp_reader
* pfile
, int level
, const char *msgid
, ...)
132 va_start (ap
, msgid
);
134 if (CPP_OPTION (pfile
, traditional
))
136 if (pfile
->state
.in_directive
)
137 line
= pfile
->directive_line
;
144 line
= pfile
->cur_token
[-1].line
;
145 column
= pfile
->cur_token
[-1].col
;
148 if (_cpp_begin_message (pfile
, level
, line
, column
))
149 v_message (msgid
, ap
);
154 /* Print an error at a specific location. */
156 cpp_error_with_line (cpp_reader
*pfile
, int level
,
157 fileline line
, unsigned int column
,
158 const char *msgid
, ...)
162 va_start (ap
, msgid
);
164 if (_cpp_begin_message (pfile
, level
, line
, column
))
165 v_message (msgid
, ap
);
171 cpp_errno (cpp_reader
*pfile
, int level
, const char *msgid
)
173 if (msgid
[0] == '\0')
176 cpp_error (pfile
, level
, "%s: %s", msgid
, xstrerror (errno
));