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/* This file is part of Eclat.
Copyright (C) 2012 Sergey Poznyakoff.
Eclat 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 3, or (at your option)
any later version.
Eclat 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 Eclat. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#ifdef HAVE_GETOPT_H
# include <getopt.h>
#endif
#include <errno.h>
#include <sysexits.h>
#include <libeclat.h>
#include "forlan.h"
#include <sys/stat.h>
void
usage()
{
printf("usage: %s [-dD] FILE [INPUT]\n");
}
int
main(int argc, char **argv)
{
FILE *fp;
char *buf;
size_t len;
struct stat st;
struct grecs_locus_point pt;
int rc;
int dump_option = 0;
set_program_name(argv[0]);
forlan_init();
while ((rc = getopt(argc, argv, "Dd:h")) != EOF)
switch (rc) {
case 'D':
dump_option++;
break;
case 'd':
if (parse_debug_level(optarg))
die(EX_USAGE, "bad debug category or level");
break;
case 'h':
usage();
return 0;
default:
exit(EX_USAGE);
}
argc -= optind;
argv += optind;
if (argc == 0 || argc > 2)
die(EX_USAGE, "one or two arguments expected");
if (stat(argv[0], &st))
die(EX_UNAVAILABLE, "cannot stat input file \"%s\": %s",
argv[0], strerror(errno));
len = st.st_size;
buf = grecs_malloc(len);
fp = fopen(argv[0], "r");
if (!fp)
die(EX_UNAVAILABLE, "cannot open input file \"%s\": %s",
argv[0], strerror(errno));
if (fread(buf, len, 1, fp) != 1)
die(EX_UNAVAILABLE, "error reading from \"%s\": %s",
argv[0], strerror(errno));
fclose(fp);
pt.file = argv[0];
pt.line = 1;
pt.col = 0;
rc = forlan_parse(buf, len, &pt);
if (rc == 0) {
if (dump_option)
forlan_dump_tree(stdout, forlan_parse_tree);
forlan_node_free(forlan_parse_tree);
}
return rc ? EX_UNAVAILABLE : 0;
}
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