1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/* Default error handlers for CPP Library.
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
2001, 2002, 2004 Free Software Foundation, Inc.
Written by Per Bothner, 1994.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding! */
#include "config.h"
#include "system.h"
#include "cpplib.h"
#include "cpphash.h"
#include "intl.h"
static void print_location (cpp_reader *, source_location, unsigned int);
/* Print the logical file location (LINE, COL) in preparation for a
diagnostic. Outputs the #include chain if it has changed. A line
of zero suppresses the include stack, and outputs the program name
instead. */
static void
print_location (cpp_reader *pfile, source_location line, unsigned int col)
{
if (line == 0)
fprintf (stderr, "%s: ", progname);
else
{
const struct line_map *map;
unsigned int lin;
map = linemap_lookup (pfile->line_table, line);
linemap_print_containing_files (pfile->line_table, map);
lin = SOURCE_LINE (map, line);
if (col == 0)
{
col = SOURCE_COLUMN (map, line);
if (col == 0)
col = 1;
}
if (lin == 0)
fprintf (stderr, "%s:", map->to_file);
else if (CPP_OPTION (pfile, show_column) == 0)
fprintf (stderr, "%s:%u:", map->to_file, lin);
else
fprintf (stderr, "%s:%u:%u:", map->to_file, lin, col);
fputc (' ', stderr);
}
}
/* Set up for a diagnostic: print the file and line, bump the error
counter, etc. SRC_LOC is the logical line number; zero means to print
at the location of the previously lexed token, which tends to be
the correct place by default. The column number can be specified either
using COLUMN or (if COLUMN==0) extracting SOURCE_COLUMN from SRC_LOC.
(This may seem redundant, but is useful when pre-scanning (cleaning) a line,
when we haven't yet verified whether the current line_map has a
big enough max_column_hint.)
Returns 0 if the error has been suppressed. */
int
_cpp_begin_message (cpp_reader *pfile, int code,
source_location src_loc, unsigned int column)
{
int level = CPP_DL_EXTRACT (code);
switch (level)
{
case CPP_DL_WARNING:
case CPP_DL_PEDWARN:
if (cpp_in_system_header (pfile)
&& ! CPP_OPTION (pfile, warn_system_headers))
return 0;
/* Fall through. */
case CPP_DL_WARNING_SYSHDR:
if (CPP_OPTION (pfile, warnings_are_errors)
|| (level == CPP_DL_PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
{
if (CPP_OPTION (pfile, inhibit_errors))
return 0;
level = CPP_DL_ERROR;
pfile->errors++;
}
else if (CPP_OPTION (pfile, inhibit_warnings))
return 0;
break;
case CPP_DL_ERROR:
if (CPP_OPTION (pfile, inhibit_errors))
return 0;
/* ICEs cannot be inhibited. */
case CPP_DL_ICE:
pfile->errors++;
break;
}
print_location (pfile, src_loc, column);
if (CPP_DL_WARNING_P (level))
fputs (_("warning: "), stderr);
else if (level == CPP_DL_ICE)
fputs (_("internal error: "), stderr);
return 1;
}
/* Don't remove the blank before do, as otherwise the exgettext
script will mistake this as a function definition */
#define v_message(msgid, ap) \
do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
/* Exported interface. */
/* Print an error at the location of the previously lexed token. */
void
cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
{
source_location src_loc;
va_list ap;
va_start (ap, msgid);
if (CPP_OPTION (pfile, traditional))
{
if (pfile->state.in_directive)
src_loc = pfile->directive_line;
else
src_loc = pfile->line;
}
else
{
src_loc = pfile->cur_token[-1].src_loc;
}
if (_cpp_begin_message (pfile, level, src_loc, 0))
v_message (msgid, ap);
va_end (ap);
}
/* Print an error at a specific location. */
void
cpp_error_with_line (cpp_reader *pfile, int level,
source_location src_loc, unsigned int column,
const char *msgid, ...)
{
va_list ap;
va_start (ap, msgid);
if (_cpp_begin_message (pfile, level, src_loc, column))
v_message (msgid, ap);
va_end (ap);
}
void
cpp_errno (cpp_reader *pfile, int level, const char *msgid)
{
if (msgid[0] == '\0')
msgid = _("stdout");
cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
}
|
