| | 1 | /* Parse command line arguments for bison. |
| | 2 | Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004 |
| | 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 | extern const char *skeleton; /* for -S */ |
| | 27 | extern const char *include; /* for -I */ |
| | 28 | |
| | 29 | extern bool debug_flag; /* for -t */ |
| | 30 | extern bool defines_flag; /* for -d */ |
| | 31 | extern bool locations_flag; |
| | 32 | extern bool no_lines_flag; /* for -l */ |
| | 33 | extern bool no_parser_flag; /* for -n */ |
| | 34 | extern bool token_table_flag; /* for -k */ |
| | 35 | extern bool graph_flag; /* for -g */ |
| | 36 | extern bool yacc_flag; /* for -y */ |
| | 37 | |
| | 38 | /* GLR_PARSER is true if the input file says to use the GLR |
| | 39 | (Generalized LR) parser, and to output some additional information |
| | 40 | used by the GLR algorithm. */ |
| | 41 | |
| | 42 | extern bool glr_parser; |
| | 43 | |
| | 44 | /* PURE_PARSER is true if should generate a parser that is all pure |
| | 45 | and reentrant. */ |
| | 46 | |
| | 47 | extern bool pure_parser; |
| | 48 | |
| | 49 | /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This |
| | 50 | is used by the GLR parser, and might be used in BackTracking |
| | 51 | parsers too. */ |
| | 52 | |
| | 53 | extern bool nondeterministic_parser; |
| | 54 | |
| | 55 | /* --trace. */ |
| | 56 | enum trace |
| | 57 | { |
| | 58 | trace_none = 0, |
| | 59 | trace_scan = 1 << 0, |
| | 60 | trace_parse = 1 << 1, |
| | 61 | trace_resource = 1 << 2, |
| | 62 | trace_sets = 1 << 3, |
| | 63 | trace_bitsets = 1 << 4, |
| | 64 | trace_tools = 1 << 5, |
| | 65 | trace_automaton = 1 << 6, |
| | 66 | trace_grammar = 1 << 7, |
| | 67 | trace_time = 1 << 8, |
| | 68 | trace_skeleton = 1 << 9, |
| | 69 | trace_all = ~0 |
| | 70 | }; |
| | 71 | extern int trace_flag; |
| | 72 | |
| | 73 | /* --report. */ |
| | 74 | enum report |
| | 75 | { |
| | 76 | report_none = 0, |
| | 77 | report_states = 1 << 0, |
| | 78 | report_itemsets = 1 << 1, |
| | 79 | report_look_ahead_tokens= 1 << 2, |
| | 80 | report_solved_conflicts = 1 << 3, |
| | 81 | report_all = ~0 |
| | 82 | }; |
| | 83 | extern int report_flag; |
| | 84 | |
| | 85 | void getargs (int argc, char *argv[]); |
| | 86 | |
| | 87 | #endif /* !GETARGS_H_ */ |
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