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1 | /* Parse command line arguments for bison. | |
2 | ||
3 | Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software | |
4 | 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 debug_flag; /* for -t */ | |
38 | extern bool defines_flag; /* for -d */ | |
39 | extern bool graph_flag; /* for -g */ | |
40 | extern bool xml_flag; /* for -x */ | |
41 | extern bool locations_flag; | |
42 | extern bool no_lines_flag; /* for -l */ | |
43 | extern bool token_table_flag; /* for -k */ | |
44 | extern bool yacc_flag; /* for -y */ | |
45 | ||
46 | extern bool error_verbose; | |
47 | ||
48 | ||
49 | /* GLR_PARSER is true if the input file says to use the GLR | |
50 | (Generalized LR) parser, and to output some additional information | |
51 | used by the GLR algorithm. */ | |
52 | ||
53 | extern bool glr_parser; | |
54 | ||
55 | /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This | |
56 | is used by the GLR parser, and might be used in BackTracking | |
57 | parsers too. */ | |
58 | ||
59 | extern bool nondeterministic_parser; | |
60 | ||
61 | ||
62 | /* --language. */ | |
63 | struct bison_language | |
64 | { | |
65 | char language[sizeof "Java"]; | |
66 | char skeleton[sizeof "java-skel.m4"]; | |
67 | char src_extension[sizeof ".java"]; | |
68 | char header_extension[sizeof ".java"]; | |
69 | bool add_tab; | |
70 | }; | |
71 | ||
72 | extern int language_prio; | |
73 | extern struct bison_language const *language; | |
74 | ||
75 | /*-----------. | |
76 | | --report. | | |
77 | `-----------*/ | |
78 | ||
79 | enum report | |
80 | { | |
81 | report_none = 0, | |
82 | report_states = 1 << 0, | |
83 | report_itemsets = 1 << 1, | |
84 | report_lookahead_tokens = 1 << 2, | |
85 | report_solved_conflicts = 1 << 3, | |
86 | report_all = ~0 | |
87 | }; | |
88 | /** What appears in the *.output file. */ | |
89 | extern int report_flag; | |
90 | ||
91 | /*----------. | |
92 | | --trace. | | |
93 | `----------*/ | |
94 | enum trace | |
95 | { | |
96 | trace_none = 0, /**< No traces. */ | |
97 | trace_scan = 1 << 0, /**< Grammar scanner traces. */ | |
98 | trace_parse = 1 << 1, /**< Grammar parser traces. */ | |
99 | trace_resource = 1 << 2, /**< Memory allocation. */ | |
100 | trace_sets = 1 << 3, /**< Grammar sets: firsts, nullable etc. */ | |
101 | trace_bitsets = 1 << 4, /**< Use of bitsets. */ | |
102 | trace_tools = 1 << 5, /**< m4 invocation. */ | |
103 | trace_automaton = 1 << 6, /**< Construction of the automaton. */ | |
104 | trace_grammar = 1 << 7, /**< Reading, reducing the grammar. */ | |
105 | trace_time = 1 << 8, /**< Time consumption. */ | |
106 | trace_skeleton = 1 << 9, /**< Skeleton postprocessing. */ | |
107 | trace_m4 = 1 << 10, /**< M4 traces. */ | |
108 | trace_muscles = 1 << 11, /**< M4 definitions of the muscles. */ | |
109 | trace_ielr = 1 << 12, /**< IELR conversion. */ | |
110 | trace_all = ~0 /**< All of the above. */ | |
111 | }; | |
112 | /** What debug items bison displays during its run. */ | |
113 | extern int trace_flag; | |
114 | ||
115 | /*-------------. | |
116 | | --warnings. | | |
117 | `-------------*/ | |
118 | ||
119 | enum warnings | |
120 | { | |
121 | warnings_none = 0, /**< Issue no warnings. */ | |
122 | warnings_error = 1 << 0, /**< Warnings are treated as errors. */ | |
123 | warnings_midrule_values = 1 << 1, /**< Unset or unused midrule values. */ | |
124 | warnings_yacc = 1 << 2, /**< POSIXME. */ | |
125 | warnings_conflicts_sr = 1 << 3, /**< S/R conflicts. */ | |
126 | warnings_conflicts_rr = 1 << 4, /**< R/R conflicts. */ | |
127 | warnings_other = 1 << 5, /**< All other warnings. */ | |
128 | warnings_all = ~warnings_error /**< All above warnings. */ | |
129 | }; | |
130 | /** What warnings are issued. */ | |
131 | extern int warnings_flag; | |
132 | ||
133 | ||
134 | /** Process the command line arguments. | |
135 | * | |
136 | * \param argc size of \a argv | |
137 | * \param argv list of arguments. | |
138 | */ | |
139 | void getargs (int argc, char *argv[]); | |
140 | ||
141 | /* Used by parse-gram.y. */ | |
142 | void language_argmatch (char const *arg, int prio, location loc); | |
143 | void skeleton_arg (const char *arg, int prio, location loc); | |
144 | ||
145 | /** In the string \c s, replace all characters \c from by \c to. */ | |
146 | void tr (char *s, char from, char to); | |
147 | ||
148 | #endif /* !GETARGS_H_ */ |