X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9bfe901c33190b9726bddabf8f192ad0c3a25500..297e263a0050959e0fd139ad66e71383fc9ac4db:/src/getargs.h diff --git a/src/getargs.h b/src/getargs.h index 4ff100bb..1d8c9d54 100644 --- a/src/getargs.h +++ b/src/getargs.h @@ -1,42 +1,144 @@ /* Parse command line arguments for bison. - Copyright 1984, 1986, 1989, 1992, 2000, 2001 Free Software Foundation, Inc. + + Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 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., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef GETARGS_H_ # define GETARGS_H_ +#include "location.h" + +enum { command_line_prio, grammar_prio, default_prio }; + /* flags set by % directives */ -extern char *spec_file_prefix; /* for -b */ -extern char *spec_name_prefix; /* for -p */ -extern const char *skeleton; - -extern int debug_flag; /* for -t */ -extern int defines_flag; /* for -d */ -extern int locations_flag; -extern int no_lines_flag; /* for -l */ -extern int no_parser_flag; /* for -n */ -extern int token_table_flag; /* for -k */ -extern int verbose_flag; /* for -v */ -extern int graph_flag; /* for -g */ -extern int yacc_flag; /* for -y */ + +/* for -S */ +extern char const *skeleton; +extern int skeleton_prio; + +/* for -I */ +extern char const *include; + +extern bool defines_flag; /* for -d */ +extern bool graph_flag; /* for -g */ +extern bool xml_flag; /* for -x */ +extern bool no_lines_flag; /* for -l */ +extern bool token_table_flag; /* for -k */ +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; + +/* 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; + + +/* --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_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_ielr = 1 << 12, /**< IELR conversion. */ + trace_all = ~0 /**< All of the above. */ + }; +/** What debug items bison displays during its run. */ extern int trace_flag; -void getargs PARAMS ((int argc, char *argv[])); +/*-------------. +| --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_conflicts_sr = 1 << 3, /**< S/R conflicts. */ + warnings_conflicts_rr = 1 << 4, /**< R/R conflicts. */ + warnings_other = 1 << 5, /**< All other warnings. */ + 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); + +/** In the string \c s, replace all characters \c from by \c to. */ +void tr (char *s, char from, char to); #endif /* !GETARGS_H_ */