178 lines
4.2 KiB
C
178 lines
4.2 KiB
C
/* Default error handlers for CPP Library.
|
||
Copyright (C) 1986, 87, 89, 92 - 95, 1998 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! */
|
||
|
||
#ifndef EMACS
|
||
#include "config.h"
|
||
#ifdef __STDC__
|
||
#include <stdarg.h>
|
||
#else
|
||
#include <varargs.h>
|
||
#endif
|
||
#include "system.h"
|
||
#include "gansidecl.h"
|
||
#else
|
||
#include <stdio.h>
|
||
#endif /* not EMACS */
|
||
|
||
#include "cpplib.h"
|
||
|
||
/* Print the file names and line numbers of the #include
|
||
commands which led to the current file. */
|
||
|
||
void
|
||
cpp_print_containing_files (pfile)
|
||
cpp_reader *pfile;
|
||
{
|
||
cpp_buffer *ip;
|
||
int first = 1;
|
||
|
||
/* If stack of files hasn't changed since we last printed
|
||
this info, don't repeat it. */
|
||
if (pfile->input_stack_listing_current)
|
||
return;
|
||
|
||
ip = cpp_file_buffer (pfile);
|
||
|
||
/* Give up if we don't find a source file. */
|
||
if (ip == NULL)
|
||
return;
|
||
|
||
/* Find the other, outer source files. */
|
||
while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
|
||
{
|
||
long line, col;
|
||
cpp_buf_line_and_col (ip, &line, &col);
|
||
if (ip->fname != NULL)
|
||
{
|
||
if (first)
|
||
{
|
||
first = 0;
|
||
fprintf (stderr, "In file included");
|
||
}
|
||
else
|
||
fprintf (stderr, ",\n ");
|
||
}
|
||
|
||
fprintf (stderr, " from %s:%ld", ip->nominal_fname, line);
|
||
}
|
||
if (! first)
|
||
fprintf (stderr, ":\n");
|
||
|
||
/* Record we have printed the status as of this time. */
|
||
pfile->input_stack_listing_current = 1;
|
||
}
|
||
|
||
void
|
||
cpp_file_line_for_message (pfile, filename, line, column)
|
||
cpp_reader *pfile ATTRIBUTE_UNUSED;
|
||
char *filename;
|
||
int line, column;
|
||
{
|
||
if (column > 0)
|
||
fprintf (stderr, "%s:%d:%d: ", filename, line, column);
|
||
else
|
||
fprintf (stderr, "%s:%d: ", filename, line);
|
||
}
|
||
|
||
/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning */
|
||
|
||
void
|
||
v_cpp_message (pfile, is_error, msg, ap)
|
||
cpp_reader * pfile;
|
||
int is_error;
|
||
const char *msg;
|
||
va_list ap;
|
||
{
|
||
if (!is_error)
|
||
fprintf (stderr, "warning: ");
|
||
else if (is_error == 2)
|
||
pfile->errors = CPP_FATAL_LIMIT;
|
||
else if (pfile->errors < CPP_FATAL_LIMIT)
|
||
pfile->errors++;
|
||
vfprintf (stderr, msg, ap);
|
||
fprintf (stderr, "\n");
|
||
}
|
||
|
||
void
|
||
cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
|
||
{
|
||
#ifndef __STDC__
|
||
cpp_reader *pfile;
|
||
int is_error;
|
||
const char *msg;
|
||
#endif
|
||
va_list ap;
|
||
|
||
VA_START (ap, msg);
|
||
|
||
#ifndef __STDC__
|
||
pfile = va_arg (ap, cpp_reader *);
|
||
is_error = va_arg (ap, int);
|
||
msg = va_arg (ap, const char *);
|
||
#endif
|
||
|
||
v_cpp_message(pfile, is_error, msg, ap);
|
||
va_end(ap);
|
||
}
|
||
|
||
/* Same as cpp_error, except we consider the error to be "fatal",
|
||
such as inconsistent options. I.e. there is little point in continuing.
|
||
(We do not exit, to support use of cpplib as a library.
|
||
Instead, it is the caller's responsibility to check
|
||
CPP_FATAL_ERRORS. */
|
||
|
||
void
|
||
cpp_fatal VPROTO ((cpp_reader *pfile, const char *str, ...))
|
||
{
|
||
#ifndef __STDC__
|
||
cpp_reader *pfile;
|
||
const char *str;
|
||
#endif
|
||
va_list ap;
|
||
|
||
VA_START (ap, str);
|
||
|
||
#ifndef __STDC__
|
||
pfile = va_arg (ap, cpp_reader *);
|
||
str = va_arg (ap, const char *);
|
||
#endif
|
||
|
||
fprintf (stderr, "%s: ", progname);
|
||
v_cpp_message (pfile, 2, str, ap);
|
||
va_end(ap);
|
||
}
|
||
|
||
void
|
||
cpp_pfatal_with_name (pfile, name)
|
||
cpp_reader *pfile;
|
||
const char *name;
|
||
{
|
||
cpp_perror_with_name (pfile, name);
|
||
#ifdef VMS
|
||
exit (vaxc$errno);
|
||
#else
|
||
exit (FATAL_EXIT_CODE);
|
||
#endif
|
||
}
|