X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/040984073a54b4c603172be3c3f44b908ea5deb9..bc0f573730251da15be0e545f393d589538d6bfa:/src/getargs.h diff --git a/src/getargs.h b/src/getargs.h index 2e02a76a..13efae2c 100644 --- a/src/getargs.h +++ b/src/getargs.h @@ -1,91 +1,138 @@ /* Parse command line arguments for bison. - Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + + Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, + 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. - Bison is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - Bison is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with Bison; see the file COPYING. If not, write to the Free - Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. */ + along with this program. If not, see . */ #ifndef GETARGS_H_ # define GETARGS_H_ +#include "location.h" + +extern char *program_name; +enum { command_line_prio, grammar_prio, default_prio }; + /* flags set by % directives */ /* for -S */ extern char const *skeleton; +extern int skeleton_prio; /* for -I */ extern char const *include; -extern bool debug_flag; /* for -t */ extern bool defines_flag; /* for -d */ -extern bool locations_flag; +extern bool graph_flag; /* for -g */ +extern bool xml_flag; /* for -x */ extern bool no_lines_flag; /* for -l */ -extern bool no_parser_flag; /* for -n */ extern bool token_table_flag; /* for -k */ -extern bool graph_flag; /* for -g */ extern bool yacc_flag; /* for -y */ + /* GLR_PARSER is true if the input file says to use the GLR (Generalized LR) parser, and to output some additional information used by the GLR algorithm. */ extern bool glr_parser; -/* PURE_PARSER is true if should generate a parser that is all pure - and reentrant. */ - -extern bool pure_parser; - /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted. This is used by the GLR parser, and might be used in BackTracking parsers too. */ extern bool nondeterministic_parser; -/* --trace. */ -enum trace - { - trace_none = 0, - trace_scan = 1 << 0, - trace_parse = 1 << 1, - trace_resource = 1 << 2, - trace_sets = 1 << 3, - trace_bitsets = 1 << 4, - trace_tools = 1 << 5, - trace_automaton = 1 << 6, - trace_grammar = 1 << 7, - trace_time = 1 << 8, - trace_skeleton = 1 << 9, - trace_all = ~0 - }; -extern int trace_flag; -/* --report. */ +/* --language. */ +struct bison_language +{ + char language[sizeof "Java"]; + char skeleton[sizeof "java-skel.m4"]; + char src_extension[sizeof ".java"]; + char header_extension[sizeof ".java"]; + bool add_tab; +}; + +extern int language_prio; +extern struct bison_language const *language; + +/*-----------. +| --report. | +`-----------*/ + enum report { report_none = 0, report_states = 1 << 0, report_itemsets = 1 << 1, - report_look_ahead_tokens= 1 << 2, + report_lookahead_tokens = 1 << 2, report_solved_conflicts = 1 << 3, report_all = ~0 }; +/** What appears in the *.output file. */ extern int report_flag; +/*----------. +| --trace. | +`----------*/ +enum trace + { + trace_none = 0, /**< No traces. */ + trace_scan = 1 << 0, /**< Grammar scanner traces. */ + trace_parse = 1 << 1, /**< Grammar parser traces. */ + trace_resource = 1 << 2, /**< Memory allocation. */ + trace_sets = 1 << 3, /**< Grammar sets: firsts, nullable etc. */ + trace_bitsets = 1 << 4, /**< Use of bitsets. */ + trace_tools = 1 << 5, /**< m4 invocation. */ + trace_automaton = 1 << 6, /**< Construction of the automaton. */ + trace_grammar = 1 << 7, /**< Reading, reducing the grammar. */ + trace_time = 1 << 8, /**< Time consumption. */ + trace_skeleton = 1 << 9, /**< Skeleton postprocessing. */ + trace_m4 = 1 << 10, /**< M4 traces. */ + trace_muscles = 1 << 11, /**< M4 definitions of the muscles. */ + trace_all = ~0 /**< All of the above. */ + }; +/** What debug items bison displays during its run. */ +extern int trace_flag; + +/*-------------. +| --warnings. | +`-------------*/ + +enum warnings + { + warnings_none = 0, /**< Issue no warnings. */ + warnings_error = 1 << 0, /**< Warnings are treated as errors. */ + warnings_midrule_values = 1 << 1, /**< Unset or unused midrule values. */ + warnings_yacc = 1 << 2, /**< POSIXME. */ + warnings_all = ~warnings_error /**< All above warnings. */ + }; +/** What warnings are issued. */ +extern int warnings_flag; + + +/** Process the command line arguments. + * + * \param argc size of \a argv + * \param argv list of arguments. + */ void getargs (int argc, char *argv[]); +/* Used by parse-gram.y. */ +void language_argmatch (char const *arg, int prio, location loc); +void skeleton_arg (const char *arg, int prio, location loc); + #endif /* !GETARGS_H_ */