1 /* 2 * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "gen_locl.h" 35 #include <getarg.h> 36 37 RCSID("$Id: main.c,v 1.11 2001/02/20 01:44:52 assar Exp $"); 38 39 extern FILE *yyin; 40 41 int version_flag; 42 int help_flag; 43 struct getargs args[] = { 44 { "version", 0, arg_flag, &version_flag }, 45 { "help", 0, arg_flag, &help_flag } 46 }; 47 int num_args = sizeof(args) / sizeof(args[0]); 48 49 static void 50 usage(int code) 51 { 52 arg_printusage(args, num_args, NULL, "[asn1-file [name]]"); 53 exit(code); 54 } 55 56 int 57 main(int argc, char **argv) 58 { 59 int ret; 60 char *file; 61 char *name = NULL; 62 int optind = 0; 63 64 setprogname(argv[0]); 65 if(getarg(args, num_args, argc, argv, &optind)) 66 usage(1); 67 if(help_flag) 68 usage(0); 69 if(version_flag) { 70 print_version(NULL); 71 exit(0); 72 } 73 if (argc == optind) { 74 file = "stdin"; 75 name = "stdin"; 76 yyin = stdin; 77 } else { 78 file = argv[optind]; 79 yyin = fopen (file, "r"); 80 if (yyin == NULL) 81 err (1, "open %s", file); 82 name = argv[optind + 1]; 83 } 84 85 init_generate (file, name); 86 initsym (); 87 ret = yyparse (); 88 close_generate (); 89 return ret; 90 } 91