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/* Parse command line arguments for bison.
Copyright (C) 1984, 1986, 1989, 1992, 2000-2015, 2018-2019 Free
Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
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.
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 this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef GETARGS_H_
# define GETARGS_H_
# include "location.h"
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 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 location yacc_loc; /* for -y */
extern bool update_flag; /* for -u */
extern const char* m4_path;
/* 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;
/*-------------.
| --features. |
`-------------*/
enum feature
{
feature_none = 0, /**< No additional feature. */
feature_caret = 1 << 0, /**< Output errors with carets. */
feature_fixit_parsable = 1 << 1, /**< Issue instructions to fix the sources. */
feature_all = ~0 /**< All above features. */
};
/** What additional features to use. */
extern int feature_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_ */
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