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- /* Parse command line arguments for bison,
- Copyright (C) 1984, 1986 Bob Corbett and Free Software Foundation, Inc.
-
- BISON is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY. No author or distributor accepts responsibility to anyone
- for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing.
- Refer to the BISON General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute BISON,
- but only under the conditions described in the BISON General Public
- License. A copy of this license is supposed to have been given to you
- along with BISON so you can know your rights and responsibilities. It
- should be in a file named COPYING. Among other things, the copyright
- notice and this notice must be preserved on all copies.
-
- 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 <stdio.h>
- #include "files.h"
-
- int verboseflag;
- int definesflag;
- extern int fixed_outfiles;/* JF */
-
-
- getargs(argc, argv)
- int argc;
- char *argv[];
- {
- register int c;
- char *p = argv[0];
- char *lastcomponent;
-
- extern int optind;
- extern char *optarg;
-
- verboseflag = 0;
- definesflag = 0;
- fixed_outfiles = 0;
-
- /* See if the program was invoked as "yacc". */
-
- lastcomponent = p;
- while (*p)
- {
- if (*p == '/')
- lastcomponent = p + 1;
- p++;
- }
- if (! strcmp (lastcomponent, "yacc"))
- /* If so, pretend we have "-y" as argument. */
- fixed_outfiles = 1;
-
- while ((c = getopt (argc, argv, "yYvVdDo:O:")) != EOF)
- switch (c)
- {
- case 'y':
- case 'Y':
- fixed_outfiles = 1;
- break;
-
- case 'v':
- case 'V':
- verboseflag = 1;
- break;
-
- case 'd':
- case 'D':
- definesflag = 1;
- break;
-
- case 'o':
- case 'O':
- spec_outfile = optarg;
- }
-
- if (optind == argc)
- fatal("grammar file not specified");
- else
- infile = argv[optind];
-
- if (optind < argc - 1)
- fprintf(stderr, "bison: warning: extra arguments ignored\n");
- }
-