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/* Parse command line arguments for bison,
Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
Bison 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 2, or (at your option)
any later version.
Bison 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 Bison; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include "getopt.h"
#include "system.h"
#include "files.h"
int verboseflag;
int definesflag;
int debugflag;
int nolinesflag;
char *spec_name_prefix; /* for -p. */
char *spec_file_prefix; /* for -b. */
extern int fixed_outfiles;/* for -y */
extern char *header_name;
extern char *program_name;
extern char *version_string;
extern void fatal();
struct option longopts[] =
{
{"debug", 0, &debugflag, 1},
{"defines", 0, &definesflag, 1},
{"file-prefix", 1, 0, 'b'},
{"fixed-output-files", 0, &fixed_outfiles, 1},
{"name-prefix", 1, 0, 'a'},
{"no-lines", 0, &nolinesflag, 1},
{"output-file", 1, 0, 'o'},
{"output", 1, 0, 'o'},
{"verbose", 0, &verboseflag, 1},
{"version", 0, 0, 'V'},
{"yacc", 0, &fixed_outfiles, 1},
{"skeleton", 1, 0, 'S'},
{"headerskeleton", 1, 0, 'H'},
{"header-file", 1, 0, 'h'},
{"help", 0, 0, 'u'},
{"usage", 0, 0, 'u'},
{0, 0, 0, 0}
};
void usage (FILE* stream)
{
fprintf (stderr, "\
Usage: %s [-dltvyVu] [-b file-prefix] [-p name-prefix]\n\
[-o outfile] [-h headerfile]\n\
[-S skeleton] [-H header-skeleton]\n\
[--debug] [--defines] [--fixed-output-files] [--no-lines]\n\
[--verbose] [--version] [--yacc] [--usage] [--help]\n\
[--file-prefix=prefix] [--name-prefix=prefix]\n\
[--skeleton=skeletonfile] [--headerskeleton=headerskeletonfile]\n\
[--output=outfile] [--header-name=header] grammar-file\n",
program_name);
}
void
getargs(int argc, char** argv)
{
register int c;
verboseflag = 0;
definesflag = 0;
debugflag = 0;
fixed_outfiles = 0;
while ((c = getopt_long (argc, argv, "yvdltVuo:b:p:S:H:h:", longopts, (int *)0))
!= EOF)
{
switch (c)
{
case 0:
/* Certain long options cause getopt_long to return 0. */
break;
case 'y':
fixed_outfiles = 1;
break;
case 'V':
printf("%s", version_string);
exit(0);
case 'v':
verboseflag = 1;
break;
case 'd':
definesflag = 1;
break;
case 'l':
nolinesflag = 1;
break;
case 't':
debugflag = 1;
break;
case 'o':
spec_outfile = optarg;
break;
case 'b':
spec_file_prefix = optarg;
break;
case 'p':
spec_name_prefix = optarg;
break;
case 'S':
cparserfile = optarg;
break;
case 'H':
hskelfile = optarg;
break;
case 'h':
header_name = optarg;
break;
case 'u':
usage(stdout);
exit (0);
default:
usage(stderr);
exit (1);
}
}
if (optind == argc)
{
fprintf(stderr, "%s: no grammar file given\n", program_name);
exit(1);
}
if (optind < argc - 1)
fprintf(stderr, "%s: warning: extra arguments ignored\n", program_name);
infile = argv[optind];
}
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