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/*
** Copyright (C) 1997 The University of Melbourne.
** This file may only be copied under the terms of the GNU Library General
** Public License - see the file COPYING.LIB in the Mercury distribution.
**
** $Id: mdis.c,v 1.7 1997/07/27 14:59:27 fjh Exp $
*/
/* Imports */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <getopt.h>
#include <util.h>
#include <mem.h>
#include <disasm.h>
#include <mdis.h>
static char
rcs_id[] = "$Id: mdis.c,v 1.7 1997/07/27 14:59:27 fjh Exp $";
/* Local declarations */
static void
usage(void);
static char*
program_name = NULL;
/* Implementation */
#if ! defined(UNIT_TESTING)
int
main(int argc, char* argv[])
{
int c;
/* We do this in case we change the program name. */
program_name = argv[0];
/* Don't use default error messages from getopt() */
opterr = 0;
/* Read options */
while ((c = getopt(argc,argv,"h")) != EOF) {
switch (c) {
case 'h':
usage();
exit(EXIT_SUCCESS);
break;
default:
usage();
exit(EXIT_FAILURE);
break;
}
}
/* If no arguments, then assume bytecode stream is on stdin */
if (optind == argc) {
MB_disassemble(stdin);
} else {
/* Process each bytecode file in order */
int i;
char *filename;
FILE *fp;
for (i = optind; i < argc; i++) {
filename = argv[i];
if ((fp = fopen(filename, "r")) != NULL) {
MB_disassemble(fp);
} else {
/* XXX: Give better error message */
MB_util_error("can not open bytecode file `%s'", filename);
}
}
} /* end else */
exit(EXIT_SUCCESS);
} /* end main() */
#endif /* UNIT_TESTING */
static void
usage(void)
{
fprintf(stderr, "usage: %s [-h] [files]\n", program_name);
}
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