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1 /* Parse command line arguments for bison.
2 Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
4
5 This file is part of Bison, the GNU Compiler Compiler.
6
7 Bison is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 Bison is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with Bison; see the file COPYING. If not, write to the Free
19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301, USA. */
21
22 #ifndef GETARGS_H_
23 # define GETARGS_H_
24
25 /* flags set by % directives */
26
27 /* for -S */
28 extern char const *skeleton;
29
30 /* for -I */
31 extern char const *include;
32
33 extern bool debug_flag; /* for -t */
34 extern bool defines_flag; /* for -d */
35 extern bool locations_flag;
36 extern bool no_lines_flag; /* for -l */
37 extern bool no_parser_flag; /* for -n */
38 extern bool token_table_flag; /* for -k */
39 extern bool graph_flag; /* for -g */
40 extern bool yacc_flag; /* for -y */
41
42 /* GLR_PARSER is true if the input file says to use the GLR
43 (Generalized LR) parser, and to output some additional information
44 used by the GLR algorithm. */
45
46 extern bool glr_parser;
47
48 /* PURE_PARSER is true if should generate a parser that is all pure
49 and reentrant. */
50
51 extern bool pure_parser;
52
53 /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This
54 is used by the GLR parser, and might be used in BackTracking
55 parsers too. */
56
57 extern bool nondeterministic_parser;
58
59 /* --trace. */
60 enum trace
61 {
62 trace_none = 0,
63 trace_scan = 1 << 0,
64 trace_parse = 1 << 1,
65 trace_resource = 1 << 2,
66 trace_sets = 1 << 3,
67 trace_bitsets = 1 << 4,
68 trace_tools = 1 << 5,
69 trace_automaton = 1 << 6,
70 trace_grammar = 1 << 7,
71 trace_time = 1 << 8,
72 trace_skeleton = 1 << 9,
73 trace_all = ~0
74 };
75 extern int trace_flag;
76
77 /* --report. */
78 enum report
79 {
80 report_none = 0,
81 report_states = 1 << 0,
82 report_itemsets = 1 << 1,
83 report_look_ahead_tokens= 1 << 2,
84 report_solved_conflicts = 1 << 3,
85 report_all = ~0
86 };
87 extern int report_flag;
88
89 void getargs (int argc, char *argv[]);
90
91 #endif /* !GETARGS_H_ */