1 | /* Parse command line arguments for bison. |
2 | |
3 | Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2019 Free |
4 | Software Foundation, Inc. |
5 | |
6 | This file is part of Bison, the GNU Compiler Compiler. |
7 | |
8 | This program is free software: you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
20 | |
21 | #ifndef GETARGS_H_ |
22 | # define GETARGS_H_ |
23 | |
24 | # include "location.h" |
25 | |
26 | enum { command_line_prio, grammar_prio, default_prio }; |
27 | |
28 | /* flags set by % directives */ |
29 | |
30 | /* for -S */ |
31 | extern char const *skeleton; |
32 | extern int skeleton_prio; |
33 | |
34 | /* for -I */ |
35 | extern char const *include; |
36 | |
37 | extern bool defines_flag; /* for -d */ |
38 | extern bool graph_flag; /* for -g */ |
39 | extern bool xml_flag; /* for -x */ |
40 | extern bool no_lines_flag; /* for -l */ |
41 | extern bool token_table_flag; /* for -k */ |
42 | extern location yacc_loc; /* for -y */ |
43 | extern bool update_flag; /* for -u */ |
44 | extern bool color_debug; /* --color=debug. */ |
45 | /* GLR_PARSER is true if the input file says to use the GLR |
46 | (Generalized LR) parser, and to output some additional information |
47 | used by the GLR algorithm. */ |
48 | |
49 | extern bool glr_parser; |
50 | |
51 | /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This |
52 | is used by the GLR parser, and might be used in BackTracking |
53 | parsers too. */ |
54 | |
55 | extern bool nondeterministic_parser; |
56 | |
57 | |
58 | /* --language. */ |
59 | struct bison_language |
60 | { |
61 | char language[sizeof "Java" ]; |
62 | char skeleton[sizeof "java-skel.m4" ]; |
63 | char src_extension[sizeof ".java" ]; |
64 | char [sizeof ".java" ]; |
65 | bool add_tab; |
66 | }; |
67 | |
68 | extern int language_prio; |
69 | extern struct bison_language const *language; |
70 | |
71 | /*-----------. |
72 | | --report. | |
73 | `-----------*/ |
74 | |
75 | enum report |
76 | { |
77 | report_none = 0, |
78 | report_states = 1 << 0, |
79 | report_itemsets = 1 << 1, |
80 | report_lookahead_tokens = 1 << 2, |
81 | report_solved_conflicts = 1 << 3, |
82 | report_all = ~0 |
83 | }; |
84 | /** What appears in the *.output file. */ |
85 | extern int report_flag; |
86 | |
87 | /*----------. |
88 | | --trace. | |
89 | `----------*/ |
90 | enum trace |
91 | { |
92 | trace_none = 0, /**< No traces. */ |
93 | trace_scan = 1 << 0, /**< Grammar scanner traces. */ |
94 | trace_parse = 1 << 1, /**< Grammar parser traces. */ |
95 | trace_resource = 1 << 2, /**< Memory allocation. */ |
96 | trace_sets = 1 << 3, /**< Grammar sets: firsts, nullable etc. */ |
97 | trace_bitsets = 1 << 4, /**< Use of bitsets. */ |
98 | trace_tools = 1 << 5, /**< m4 invocation. */ |
99 | trace_automaton = 1 << 6, /**< Construction of the automaton. */ |
100 | trace_grammar = 1 << 7, /**< Reading, reducing the grammar. */ |
101 | trace_time = 1 << 8, /**< Time consumption. */ |
102 | trace_skeleton = 1 << 9, /**< Skeleton postprocessing. */ |
103 | trace_m4 = 1 << 10, /**< M4 traces. */ |
104 | trace_muscles = 1 << 11, /**< M4 definitions of the muscles. */ |
105 | trace_ielr = 1 << 12, /**< IELR conversion. */ |
106 | trace_closure = 1 << 13, /**< Input/output of closure(). */ |
107 | trace_locations = 1 << 14, /**< Full display of locations. */ |
108 | trace_all = ~0 /**< All of the above. */ |
109 | }; |
110 | /** What debug items bison displays during its run. */ |
111 | extern int trace_flag; |
112 | |
113 | /*-------------. |
114 | | --features. | |
115 | `-------------*/ |
116 | |
117 | enum feature |
118 | { |
119 | feature_none = 0, /**< No additional feature. */ |
120 | feature_caret = 1 << 0, /**< Output errors with carets. */ |
121 | feature_fixit_parsable = 1 << 1, /**< Issue instructions to fix the sources. */ |
122 | feature_syntax_only = 1 << 2, /**< Don't generate output. */ |
123 | feature_all = ~0 /**< All above features. */ |
124 | }; |
125 | /** What additional features to use. */ |
126 | extern int feature_flag; |
127 | |
128 | |
129 | /** Process the command line arguments. |
130 | * |
131 | * \param argc size of \a argv |
132 | * \param argv list of arguments. |
133 | */ |
134 | void getargs (int argc, char *argv[]); |
135 | |
136 | /* Used by parse-gram.y. */ |
137 | void language_argmatch (char const *arg, int prio, location loc); |
138 | void skeleton_arg (const char *arg, int prio, location loc); |
139 | |
140 | /** In the string \c s, replace all characters \c from by \c to. */ |
141 | void tr (char *s, char from, char to); |
142 | |
143 | #endif /* !GETARGS_H_ */ |
144 | |