/* Default error handlers for CPP Library.
|
/* Default error handlers for CPP Library.
|
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
|
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
|
2001, 2002, 2004 Free Software Foundation, Inc.
|
2001, 2002, 2004 Free Software Foundation, Inc.
|
Written by Per Bothner, 1994.
|
Written by Per Bothner, 1994.
|
Based on CCCP program by Paul Rubin, June 1986
|
Based on CCCP program by Paul Rubin, June 1986
|
Adapted to ANSI C, Richard Stallman, Jan 1987
|
Adapted to ANSI C, Richard Stallman, Jan 1987
|
|
|
This program is free software; you can redistribute it and/or modify it
|
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
|
under the terms of the GNU General Public License as published by the
|
Free Software Foundation; either version 2, or (at your option) any
|
Free Software Foundation; either version 2, or (at your option) any
|
later version.
|
later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
In other words, you are welcome to use, share and improve this program.
|
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
|
You are forbidden to forbid anyone else to use, share and improve
|
what you give them. Help stamp out software-hoarding! */
|
what you give them. Help stamp out software-hoarding! */
|
|
|
#include "config.h"
|
#include "config.h"
|
#include "system.h"
|
#include "system.h"
|
#include "cpplib.h"
|
#include "cpplib.h"
|
#include "internal.h"
|
#include "internal.h"
|
|
|
static void print_location (cpp_reader *, source_location, unsigned int);
|
static void print_location (cpp_reader *, source_location, unsigned int);
|
|
|
/* Print the logical file location (LINE, COL) in preparation for a
|
/* Print the logical file location (LINE, COL) in preparation for a
|
diagnostic. Outputs the #include chain if it has changed. A line
|
diagnostic. Outputs the #include chain if it has changed. A line
|
of zero suppresses the include stack, and outputs the program name
|
of zero suppresses the include stack, and outputs the program name
|
instead. */
|
instead. */
|
static void
|
static void
|
print_location (cpp_reader *pfile, source_location line, unsigned int col)
|
print_location (cpp_reader *pfile, source_location line, unsigned int col)
|
{
|
{
|
if (line == 0)
|
if (line == 0)
|
fprintf (stderr, "%s: ", progname);
|
fprintf (stderr, "%s: ", progname);
|
else
|
else
|
{
|
{
|
const struct line_map *map;
|
const struct line_map *map;
|
unsigned int lin;
|
unsigned int lin;
|
|
|
map = linemap_lookup (pfile->line_table, line);
|
map = linemap_lookup (pfile->line_table, line);
|
linemap_print_containing_files (pfile->line_table, map);
|
linemap_print_containing_files (pfile->line_table, map);
|
|
|
lin = SOURCE_LINE (map, line);
|
lin = SOURCE_LINE (map, line);
|
if (col == 0)
|
if (col == 0)
|
{
|
{
|
col = SOURCE_COLUMN (map, line);
|
col = SOURCE_COLUMN (map, line);
|
if (col == 0)
|
if (col == 0)
|
col = 1;
|
col = 1;
|
}
|
}
|
|
|
if (lin == 0)
|
if (lin == 0)
|
fprintf (stderr, "%s:", map->to_file);
|
fprintf (stderr, "%s:", map->to_file);
|
else if (CPP_OPTION (pfile, show_column) == 0)
|
else if (CPP_OPTION (pfile, show_column) == 0)
|
fprintf (stderr, "%s:%u:", map->to_file, lin);
|
fprintf (stderr, "%s:%u:", map->to_file, lin);
|
else
|
else
|
fprintf (stderr, "%s:%u:%u:", map->to_file, lin, col);
|
fprintf (stderr, "%s:%u:%u:", map->to_file, lin, col);
|
|
|
fputc (' ', stderr);
|
fputc (' ', stderr);
|
}
|
}
|
}
|
}
|
|
|
/* Set up for a diagnostic: print the file and line, bump the error
|
/* 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
|
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
|
at the location of the previously lexed token, which tends to be
|
the correct place by default. The column number can be specified either
|
the correct place by default. The column number can be specified either
|
using COLUMN or (if COLUMN==0) extracting SOURCE_COLUMN from SRC_LOC.
|
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,
|
(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
|
when we haven't yet verified whether the current line_map has a
|
big enough max_column_hint.)
|
big enough max_column_hint.)
|
|
|
Returns 0 if the error has been suppressed. */
|
Returns 0 if the error has been suppressed. */
|
int
|
int
|
_cpp_begin_message (cpp_reader *pfile, int code,
|
_cpp_begin_message (cpp_reader *pfile, int code,
|
source_location src_loc, unsigned int column)
|
source_location src_loc, unsigned int column)
|
{
|
{
|
int level = CPP_DL_EXTRACT (code);
|
int level = CPP_DL_EXTRACT (code);
|
|
|
switch (level)
|
switch (level)
|
{
|
{
|
case CPP_DL_WARNING:
|
case CPP_DL_WARNING:
|
case CPP_DL_PEDWARN:
|
case CPP_DL_PEDWARN:
|
if (cpp_in_system_header (pfile)
|
if (cpp_in_system_header (pfile)
|
&& ! CPP_OPTION (pfile, warn_system_headers))
|
&& ! CPP_OPTION (pfile, warn_system_headers))
|
return 0;
|
return 0;
|
/* Fall through. */
|
/* Fall through. */
|
|
|
case CPP_DL_WARNING_SYSHDR:
|
case CPP_DL_WARNING_SYSHDR:
|
if (CPP_OPTION (pfile, warnings_are_errors)
|
if (CPP_OPTION (pfile, warnings_are_errors)
|
|| (level == CPP_DL_PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
|
|| (level == CPP_DL_PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
|
{
|
{
|
if (CPP_OPTION (pfile, inhibit_errors))
|
if (CPP_OPTION (pfile, inhibit_errors))
|
return 0;
|
return 0;
|
level = CPP_DL_ERROR;
|
level = CPP_DL_ERROR;
|
pfile->errors++;
|
pfile->errors++;
|
}
|
}
|
else if (CPP_OPTION (pfile, inhibit_warnings))
|
else if (CPP_OPTION (pfile, inhibit_warnings))
|
return 0;
|
return 0;
|
break;
|
break;
|
|
|
case CPP_DL_ERROR:
|
case CPP_DL_ERROR:
|
if (CPP_OPTION (pfile, inhibit_errors))
|
if (CPP_OPTION (pfile, inhibit_errors))
|
return 0;
|
return 0;
|
/* ICEs cannot be inhibited. */
|
/* ICEs cannot be inhibited. */
|
case CPP_DL_ICE:
|
case CPP_DL_ICE:
|
pfile->errors++;
|
pfile->errors++;
|
break;
|
break;
|
}
|
}
|
|
|
print_location (pfile, src_loc, column);
|
print_location (pfile, src_loc, column);
|
if (CPP_DL_WARNING_P (level))
|
if (CPP_DL_WARNING_P (level))
|
fputs (_("warning: "), stderr);
|
fputs (_("warning: "), stderr);
|
else if (level == CPP_DL_ICE)
|
else if (level == CPP_DL_ICE)
|
fputs (_("internal error: "), stderr);
|
fputs (_("internal error: "), stderr);
|
else
|
else
|
fputs (_("error: "), stderr);
|
fputs (_("error: "), stderr);
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Don't remove the blank before do, as otherwise the exgettext
|
/* Don't remove the blank before do, as otherwise the exgettext
|
script will mistake this as a function definition */
|
script will mistake this as a function definition */
|
#define v_message(msgid, ap) \
|
#define v_message(msgid, ap) \
|
do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
|
do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
|
|
|
/* Exported interface. */
|
/* Exported interface. */
|
|
|
/* Print an error at the location of the previously lexed token. */
|
/* Print an error at the location of the previously lexed token. */
|
void
|
void
|
cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
|
cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
|
{
|
{
|
source_location src_loc;
|
source_location src_loc;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, msgid);
|
va_start (ap, msgid);
|
|
|
if (CPP_OPTION (pfile, client_diagnostic))
|
if (CPP_OPTION (pfile, client_diagnostic))
|
pfile->cb.error (pfile, level, _(msgid), &ap);
|
pfile->cb.error (pfile, level, _(msgid), &ap);
|
else
|
else
|
{
|
{
|
if (CPP_OPTION (pfile, traditional))
|
if (CPP_OPTION (pfile, traditional))
|
{
|
{
|
if (pfile->state.in_directive)
|
if (pfile->state.in_directive)
|
src_loc = pfile->directive_line;
|
src_loc = pfile->directive_line;
|
else
|
else
|
src_loc = pfile->line_table->highest_line;
|
src_loc = pfile->line_table->highest_line;
|
}
|
}
|
else
|
else
|
{
|
{
|
src_loc = pfile->cur_token[-1].src_loc;
|
src_loc = pfile->cur_token[-1].src_loc;
|
}
|
}
|
|
|
if (_cpp_begin_message (pfile, level, src_loc, 0))
|
if (_cpp_begin_message (pfile, level, src_loc, 0))
|
v_message (msgid, ap);
|
v_message (msgid, ap);
|
}
|
}
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Print an error at a specific location. */
|
/* Print an error at a specific location. */
|
void
|
void
|
cpp_error_with_line (cpp_reader *pfile, int level,
|
cpp_error_with_line (cpp_reader *pfile, int level,
|
source_location src_loc, unsigned int column,
|
source_location src_loc, unsigned int column,
|
const char *msgid, ...)
|
const char *msgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, msgid);
|
va_start (ap, msgid);
|
|
|
if (_cpp_begin_message (pfile, level, src_loc, column))
|
if (_cpp_begin_message (pfile, level, src_loc, column))
|
v_message (msgid, ap);
|
v_message (msgid, ap);
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
void
|
void
|
cpp_errno (cpp_reader *pfile, int level, const char *msgid)
|
cpp_errno (cpp_reader *pfile, int level, const char *msgid)
|
{
|
{
|
if (msgid[0] == '\0')
|
if (msgid[0] == '\0')
|
msgid = _("stdout");
|
msgid = _("stdout");
|
|
|
cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
|
cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
|
}
|
}
|
|
|
