1 /* Parse command line arguments for bison. 2 3 Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2021 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 <https://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 header_extension[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_lookaheads = 1 << 2, 81 report_solved_conflicts = 1 << 3, 82 report_cex = 1 << 4, 83 report_all = ~0 84 }; 85 /** What appears in the *.output file. */ 86 extern int report_flag; 87 88 /*----------. 89 | --trace. | 90 `----------*/ 91 enum trace 92 { 93 trace_none = 0, /**< No traces. */ 94 trace_scan = 1 << 0, /**< Grammar scanner traces. */ 95 trace_parse = 1 << 1, /**< Grammar parser traces. */ 96 trace_resource = 1 << 2, /**< Memory allocation. */ 97 trace_sets = 1 << 3, /**< Grammar sets: firsts, nullable etc. */ 98 trace_bitsets = 1 << 4, /**< Use of bitsets. */ 99 trace_tools = 1 << 5, /**< m4 invocation. */ 100 trace_automaton = 1 << 6, /**< Construction of the automaton. */ 101 trace_grammar = 1 << 7, /**< Reading, reducing the grammar. */ 102 trace_time = 1 << 8, /**< Time consumption. */ 103 trace_skeleton = 1 << 9, /**< Skeleton postprocessing. */ 104 trace_m4_early = 1 << 10, /**< M4 early traces. */ 105 trace_m4 = 1 << 11, /**< M4 traces. */ 106 trace_muscles = 1 << 12, /**< M4 definitions of the muscles. */ 107 trace_ielr = 1 << 13, /**< IELR conversion. */ 108 trace_closure = 1 << 14, /**< Input/output of closure(). */ 109 trace_locations = 1 << 15, /**< Full display of locations. */ 110 trace_cex = 1 << 16, /**< Counterexample generation */ 111 trace_all = ~0 /**< All of the above. */ 112 }; 113 /** What debug items bison displays during its run. */ 114 extern int trace_flag; 115 116 /*-------------. 117 | --features. | 118 `-------------*/ 119 120 enum feature 121 { 122 feature_none = 0, /**< No additional feature. */ 123 feature_caret = 1 << 0, /**< Output errors with carets. */ 124 feature_fixit = 1 << 1, /**< Issue instructions to fix the sources. */ 125 feature_syntax_only = 1 << 2, /**< Don't generate output. */ 126 feature_all = ~0 /**< All above features. */ 127 }; 128 /** What additional features to use. */ 129 extern int feature_flag; 130 131 132 /** Process the command line arguments. 133 * 134 * \param argc size of \a argv 135 * \param argv list of arguments. 136 */ 137 void getargs (int argc, char *argv[]); 138 139 /* Used by parse-gram.y. */ 140 void language_argmatch (char const *arg, int prio, location loc); 141 void skeleton_arg (const char *arg, int prio, location loc); 142 143 /** In the string \c s, replace all characters \c from by \c to. */ 144 void tr (char *s, char from, char to); 145 146 #endif /* !GETARGS_H_ */ 147