101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
|
/* CPP main program, using CPP Library.
|
|||
|
|
Copyright (C) 1995 Free Software Foundation, Inc.
|
|||
|
|
Written by Per Bothner, 1994-95.
|
|||
|
|
|
|||
|
|
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 "cpplib.h"
|
|||
|
|
#include <stdio.h>
|
|||
|
|
|
|||
|
|
#ifndef EMACS
|
|||
|
|
#include "config.h"
|
|||
|
|
#endif /* not EMACS */
|
|||
|
|
|
|||
|
|
extern char *getenv ();
|
|||
|
|
|
|||
|
|
char *progname;
|
|||
|
|
|
|||
|
|
cpp_reader parse_in;
|
|||
|
|
cpp_options options;
|
|||
|
|
|
|||
|
|
/* More 'friendly' abort that prints the line and file.
|
|||
|
|
config.h can #define abort fancy_abort if you like that sort of thing. */
|
|||
|
|
|
|||
|
|
void
|
|||
|
|
fancy_abort ()
|
|||
|
|
{
|
|||
|
|
fatal ("Internal gcc abort.");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
int
|
|||
|
|
main (argc, argv)
|
|||
|
|
int argc;
|
|||
|
|
char **argv;
|
|||
|
|
{
|
|||
|
|
char *p;
|
|||
|
|
int i;
|
|||
|
|
int argi = 1; /* Next argument to handle. */
|
|||
|
|
struct cpp_options *opts = &options;
|
|||
|
|
|
|||
|
|
p = argv[0] + strlen (argv[0]);
|
|||
|
|
while (p != argv[0] && p[-1] != '/') --p;
|
|||
|
|
progname = p;
|
|||
|
|
|
|||
|
|
init_parse_file (&parse_in);
|
|||
|
|
parse_in.data = opts;
|
|||
|
|
|
|||
|
|
init_parse_options (opts);
|
|||
|
|
|
|||
|
|
argi += cpp_handle_options (&parse_in, argc - argi , argv + argi);
|
|||
|
|
if (argi < argc)
|
|||
|
|
fatal ("Invalid option `%s'", argv[argi]);
|
|||
|
|
parse_in.show_column = 1;
|
|||
|
|
|
|||
|
|
i = push_parse_file (&parse_in, opts->in_fname);
|
|||
|
|
if (i != SUCCESS_EXIT_CODE)
|
|||
|
|
return i;
|
|||
|
|
|
|||
|
|
/* Now that we know the input file is valid, open the output. */
|
|||
|
|
|
|||
|
|
if (!opts->out_fname || !strcmp (opts->out_fname, ""))
|
|||
|
|
opts->out_fname = "stdout";
|
|||
|
|
else if (! freopen (opts->out_fname, "w", stdout))
|
|||
|
|
cpp_pfatal_with_name (&parse_in, opts->out_fname);
|
|||
|
|
|
|||
|
|
for (;;)
|
|||
|
|
{
|
|||
|
|
enum cpp_token kind;
|
|||
|
|
if (! opts->no_output)
|
|||
|
|
{
|
|||
|
|
fwrite (parse_in.token_buffer, 1, CPP_WRITTEN (&parse_in), stdout);
|
|||
|
|
}
|
|||
|
|
parse_in.limit = parse_in.token_buffer;
|
|||
|
|
kind = cpp_get_token (&parse_in);
|
|||
|
|
if (kind == CPP_EOF)
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
cpp_finish (&parse_in);
|
|||
|
|
|
|||
|
|
if (parse_in.errors)
|
|||
|
|
exit (FATAL_EXIT_CODE);
|
|||
|
|
exit (SUCCESS_EXIT_CODE);
|
|||
|
|
}
|