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* tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
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1/* Concentrate all options use in bison,
2 Copyright 2001 Free Software Foundation, Inc.
3
4 This file is part of Bison, the GNU Compiler Compiler.
5
6 Bison is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 Bison is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with Bison; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21#ifndef OPTIONS_H_
22# define OPTIONS_H_
23
951366c1 24/* opt_access_t and struct option_table_struct need to be declare
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25 here, for the parse_percent_token function in lex.c. */
26
27/* Option accessibility. */
28typedef enum opt_access_e
29{
30 opt_cmd_line = 1,
31 opt_percent,
32 opt_both
33} opt_access_t;
34
35/* This is the general struct, which contains user's options from
36 command line or in grammar with percent flag. */
37struct option_table_struct
38{
39 /* Set the accessibility. */
40 opt_access_t access;
41 /* This name is used for long option et percent directives. */
42 const char *name;
43 /* Use for command line. */
44 int has_arg;
45 /* A set_flag value causes the named flag to be set. */
951366c1 46 void *set_flag;
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47 /* A retval action returns the code. */
48 int ret_val;
49 /* The short option value, frequently a letter. */
50 int val;
51};
52
53extern const char *shortopts;
54extern struct option *longopts;
55
56/* Table which contain all options. */
57extern const struct option_table_struct option_table[];
58
59/* Set the longopts variable from option_table. */
60void create_long_option_table PARAMS (());
61
62#endif /* !OPTIONS_H_ */