1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* Parse command line arguments for bison,
Copyright (C) 1984, 1986, 1989, 1992 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;
int noparserflag = 0;
int toknumflag = 0;
int rawtoknumflag = 0;
char *spec_name_prefix; /* for -p. */
char *spec_file_prefix; /* for -b. */
extern int fixed_outfiles;/* for -y */
extern char *program_name;
extern char *version_string;
extern void warns(); /* main.c */
struct option longopts[] =
{
{"debug", 0, &debugflag, 1},
{"defines", 0, &definesflag, 1},
{"file-prefix", 1, 0, 'b'},
{"fixed-output-files", 0, &fixed_outfiles, 1},
{"help", 0, 0, 'h'},
{"name-prefix", 1, 0, 'p'}, /* was 'a'; apparently unused -wjh */
{"no-lines", 0, &nolinesflag, 1},
{"no-parser", 0, &noparserflag, 1},
{"output", 1, 0, 'o'},
{"output-file", 1, 0, 'o'},
{"raw", 0, &rawtoknumflag, 1},
{"token-table", 0, &toknumflag, 1},
{"verbose", 0, &verboseflag, 1},
{"version", 0, 0, 'V'},
{"yacc", 0, &fixed_outfiles, 1},
{0, 0, 0, 0}
};
void
usage (stream)
FILE *stream;
{
fprintf (stream, "\
Usage: %s [-dhklntvyV] [-b file-prefix] [-o outfile] [-p name-prefix]\n\
[--debug] [--defines] [--fixed-output-files] [--no-lines]\n\
[--verbose] [--version] [--help] [--yacc]\n\
[--no-parser] [--token-table]\n\
[--file-prefix=prefix] [--name-prefix=prefix]\n\
[--output=outfile] grammar-file\n",
program_name);
}
void
getargs(argc, argv)
int argc;
char *argv[];
{
register int c;
verboseflag = 0;
definesflag = 0;
debugflag = 0;
noparserflag = 0;
rawtoknumflag = 0;
toknumflag = 0;
fixed_outfiles = 0;
while ((c = getopt_long (argc, argv, "yvdhrltknVo:b:p:", 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 'h':
usage (stdout);
exit (0);
case 'V':
printf ("%s", version_string);
exit (0);
case 'v':
verboseflag = 1;
break;
case 'd':
definesflag = 1;
break;
case 'l':
nolinesflag = 1;
break;
case 'k':
toknumflag = 1;
break;
case 'r':
rawtoknumflag = 1;
break;
case 'n':
noparserflag = 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;
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: extra arguments ignored after '%s'\n",
program_name, argv[optind]);
infile = argv[optind];
}
|