openbios/toke/toke.c

149 lines
3.3 KiB
C

/*
* OpenBIOS - free your system!
* ( FCode tokenizer )
*
* toke.c - main tokenizer loop and parameter parsing.
*
* This program is part of a free implementation of the IEEE 1275-1994
* Standard for Boot (Initialization Configuration) Firmware.
*
* Copyright (C) 2001-2005 by Stefan Reinauer <stepan@openbios.org>
*
* 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; version 2 of the License.
*
* 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef __GLIBC__
#define _GNU_SOURCE
#include <getopt.h>
#endif
#include "toke.h"
#include "stream.h"
#include "stack.h"
#include "emit.h"
#define TOKE_VERSION "0.6.10"
int verbose=0;
int noerrors=0;
static void print_copyright(void)
{
printf( "Welcome to toke - OpenBIOS tokenizer v%s\nCopyright (c)"
" 2001-2005 by Stefan Reinauer <stepan@openbios.org>\n"
"This program is free software; you may redistribute it "
"under the terms of\nthe GNU General Public License. This "
"program has absolutely no warranty.\n\n", TOKE_VERSION);
}
static void usage(char *name)
{
printf("usage: %s [-v] [-i] [-o target] <forth-file>\n\n",name);
printf(" -v|--verbose print debug messages\n");
printf(" -i|--ignore-errors don't bail out after an error\n");
printf(" -h|--help print this help message\n\n");
}
int main(int argc, char **argv)
{
const char *optstring="vhio:?";
char *outputname = NULL;
int c;
while (1) {
#ifdef __GLIBC__
int option_index = 0;
static struct option long_options[] = {
{ "verbose", 0, 0, 'v' },
{ "ignore-errors", 0, 0, 'i' },
{ "help", 0, 0, 'h' },
{ 0, 0, 0, 0 }
};
c = getopt_long (argc, argv, optstring,
long_options, &option_index);
#else
c = getopt (argc, argv, optstring);
#endif
if (c == -1)
break;
switch (c) {
case 'v':
verbose=1;
break;
case 'o':
outputname = optarg;
break;
case 'i':
noerrors=1;
break;
case 'h':
case '?':
print_copyright();
usage(argv[0]);
return 0;
default:
print_copyright();
printf ("%s: unknown options.\n",argv[0]);
usage(argv[0]);
return 1;
}
}
if (verbose)
print_copyright();
if (optind >= argc) {
print_copyright();
printf ("%s: filename missing.\n",argv[0]);
usage(argv[0]);
return 1;
}
init_stack();
init_dictionary();
init_macros();
init_scanner();
while (optind < argc) {
if (init_stream(argv[optind])) {
printf ("%s: warning: could not open file \"%s\"\n",
argv[0], argv[optind]);
optind++;
continue;
}
init_output(argv[optind], outputname);
tokenize();
finish_headers();
close_output();
close_stream();
optind++;
}
exit_scanner();
return 0;
}