X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/22c2cbc078dc5243041d10f4e6e1e5ce1aca36cf..eb1b07409f0ccad9970c8a60ded9f2a56d205b9c:/src/getargs.h diff --git a/src/getargs.h b/src/getargs.h index f3c37601..886f2004 100644 --- a/src/getargs.h +++ b/src/getargs.h @@ -1,5 +1,7 @@ /* Parse command line arguments for bison. - Copyright 1984, 1986, 1989, 1992, 2000, 2001 Free Software Foundation, Inc. + + Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, + 2005, 2006, 2007 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -15,28 +17,137 @@ 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. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef GETARGS_H_ # define GETARGS_H_ +#include "location.h" + +extern char *program_name; + /* 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 statistics_flag; -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 */ - -void getargs PARAMS ((int argc, char *argv[])); + +/* for -S */ +extern char const *skeleton; + +/* for -I */ +extern char const *include; + +extern bool debug_flag; /* for -t */ +extern bool defines_flag; /* for -d */ +extern bool graph_flag; /* for -g */ +extern bool locations_flag; +extern bool no_lines_flag; /* for -l */ +extern bool no_parser_flag; /* for -n */ +extern bool token_table_flag; /* for -k */ +extern bool yacc_flag; /* for -y */ + +extern bool error_verbose; + + +/* 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; + +/* PULL_PARSER is true if should generate a pull parser. */ + +extern bool pull_parser; + +/* PURE_PARSER is true if should generate a parser that is all pure + and reentrant. */ + +extern bool pure_parser; + +/* PUSH_PARSER is true if should generate a push parser. */ + +extern bool push_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 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_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 const *loc); +void skeleton_arg (const char *arg, int prio, location const *loc); #endif /* !GETARGS_H_ */