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31c10e38db
* data/c.m4 (YYPUSH): New. (b4_push_if): New macro. Use it instead of #ifdef YYPUSH. * src/getargs.c (push_parser): New var. * src/getargs.h (push_parser): New declaration. * src/output.c (prepare): Add macro insertion of `push_flag'. * src/parse-gram.y (PERCENT_PUSH_PARSER): New token. (prologue_declaration): Parse %push-parser. * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token. * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to list of removed lines from the traces observed. (AT_CHECK_CALC_LALR): Added push parser tests.
129 lines
3.9 KiB
C
129 lines
3.9 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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/* PUSH_PARSER is true if should generate a parser that is capable of being
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called asynchronously. Is must be pure and reentrant. */
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extern bool push_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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/*-----------.
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| --report. |
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`-----------*/
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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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/** What appears in the *.output file. */
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extern int report_flag;
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/*----------.
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| --trace. |
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`----------*/
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enum trace
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{
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trace_none = 0, /**< No traces. */
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trace_scan = 1 << 0, /**< Grammar scanner traces. */
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trace_parse = 1 << 1, /**< Grammar parser traces. */
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trace_resource = 1 << 2, /**< Memory allocation. */
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trace_sets = 1 << 3, /**< Grammar sets: firsts, nullable etc. */
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trace_bitsets = 1 << 4, /**< Use of bitsets. */
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trace_tools = 1 << 5, /**< m4 invocation. */
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trace_automaton = 1 << 6, /**< Construction of the automaton. */
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trace_grammar = 1 << 7, /**< Reading, reducing the grammar. */
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trace_time = 1 << 8, /**< Time consumption. */
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trace_skeleton = 1 << 9, /**< Skeleton postprocessing. */
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trace_m4 = 1 << 10, /**< M4 traces. */
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trace_all = ~0 /**< All of the above. */
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};
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/** What debug items bison displays during its run. */
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extern int trace_flag;
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/*-------------.
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| --warnings. |
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`-------------*/
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enum warnings
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{
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warnings_none = 0, /**< Issue no warnings. */
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warnings_error = 1 << 0, /**< Warnings are treated as errors. */
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warnings_yacc = 1 << 1, /**< POSIXME. */
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warnings_all = ~0 /**< All of the above. */
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};
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/** What warnings are issued. */
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extern int warnings_flag;
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/** Process the command line arguments.
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*
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* \param argc size of \a argv
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* \param argv list of arguments.
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*/
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void getargs (int argc, char *argv[]);
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#endif /* !GETARGS_H_ */
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