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`look_ahead'. Discussed starting at <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html> and then at <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>. * NEWS: For the next release, note the change to `--report'. * TODO, doc/bison.1: Update English. * doc/bison.texinfo: Update English. (Understanding Your Parser, Bison Options): Document as `--report=lookahead' rather than `--report=look-ahead'. * src/conflicts.c: Update English in comments. (lookahead_set): Rename from look_ahead_set. (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens. (resolve_sr_conflict): Rename local look_ahead_tokens to lookahead_tokens, and update other uses. (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts, count_rr_conflicts, conflicts_free): Update uses. * src/getargs.c (report_args): Move "lookahead" before alternate spellings. (report_types): Update uses. (usage): For `--report' usage description, state `lookahead' spelling rather than `look-ahead'. * src/getargs.h (report.report_lookahead_tokens): Rename from report_look_ahead_tokens. * src/lalr.c: Update English in comments. (compute_lookahead_tokens): Rename from compute_look_ahead_tokens. (state_lookahead_tokens_count): Rename from state_look_ahead_tokens_count. Rename local n_look_ahead_tokens to n_lookahead_tokens. (lookahead_tokens_print): Rename from look_ahead_tokens_print. Rename local n_look_ahead_tokens to n_lookahead_tokens. Update other uses. Update English in output. (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses. * src/print.c: Update English in comments. (lookahead_set): Rename from look_ahead_set. (print_reduction): Rename argument lookahead_token from look_ahead_token. (print_core, state_default_rule, print_reductions, print_results): Update uses. * src/print_graph.c: Update English in comments. (print_core): Update uses. * src/state.c: Update English in comments. (reductions_new): Update uses. (state_rule_lookahead_tokens_print): Rename from state_rule_look_ahead_tokens_print, and update other uses. * src/state.h: Update English in comments. (reductions.lookahead_tokens): Rename from look_ahead_tokens. (state_rule_lookahead_tokens_print): Rename from state_rule_look_ahead_tokens_print. * src/tables.c: Update English in comments. (conflict_row, action_row): Update uses. * tests/glr-regression.at (Incorrect lookahead during deterministic GLR, Incorrect lookahead during nondeterministic GLR): Rename print_look_ahead to print_lookahead. * tests/torture.at: Update English in comments. (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR. (Many lookahead tokens): Update uses. * data/glr.c: Update English in comments. * lalr1.cc: Likewise. * yacc.c: Likewise. * src/conflicts.h: Likewise. * src/lalr.h: Likewise. * src/main.c: Likewise. * src/output.c: Likewise. * src/parse-gram.c: Likewise. * src/tables.h: Likewise. * tests/calc.at: Likewise.
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/* Parse command line arguments for bison.
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Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Bison is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bison; see the file COPYING. If not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef GETARGS_H_
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# define GETARGS_H_
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/* flags set by % directives */
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/* for -S */
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extern char const *skeleton;
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/* for -I */
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extern char const *include;
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extern bool debug_flag; /* for -t */
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extern bool defines_flag; /* for -d */
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extern bool graph_flag; /* for -g */
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extern bool locations_flag;
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extern bool no_lines_flag; /* for -l */
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extern bool no_parser_flag; /* for -n */
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extern bool token_table_flag; /* for -k */
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extern bool yacc_flag; /* for -y */
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extern bool error_verbose;
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/* GLR_PARSER is true if the input file says to use the GLR
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(Generalized LR) parser, and to output some additional information
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used by the GLR algorithm. */
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extern bool glr_parser;
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/* PURE_PARSER is true if should generate a parser that is all pure
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and reentrant. */
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extern bool pure_parser;
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/* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This
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is used by the GLR parser, and might be used in BackTracking
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parsers too. */
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extern bool nondeterministic_parser;
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/* --trace. */
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enum trace
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{
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trace_none = 0,
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trace_scan = 1 << 0,
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trace_parse = 1 << 1,
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trace_resource = 1 << 2,
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trace_sets = 1 << 3,
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trace_bitsets = 1 << 4,
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trace_tools = 1 << 5,
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trace_automaton = 1 << 6,
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trace_grammar = 1 << 7,
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trace_time = 1 << 8,
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trace_skeleton = 1 << 9,
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trace_m4 = 1 << 10,
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trace_all = ~0
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};
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extern int trace_flag;
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/* --report. */
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enum report
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{
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report_none = 0,
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report_states = 1 << 0,
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report_itemsets = 1 << 1,
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report_lookahead_tokens = 1 << 2,
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report_solved_conflicts = 1 << 3,
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report_all = ~0
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};
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extern int report_flag;
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void getargs (int argc, char *argv[]);
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#endif /* !GETARGS_H_ */
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