/* Parse command line arguments for bison.
- Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003
- 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.
- 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 <http://www.gnu.org/licenses/>. */
#ifndef GETARGS_H_
# define GETARGS_H_
+#include "location.h"
+
+extern char *program_name;
+
/* flags set by % directives */
-extern const char *skeleton; /* for -S */
-extern const char *include; /* for -I */
+
+/* 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 xml_flag; /* for -x */
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 graph_flag; /* for -g */
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;
-/* 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 struct bison_language const *language;
+
+/*-----------.
+| --report. |
+`-----------*/
+
enum report
{
report_none = 0,
report_states = 1 << 0,
report_itemsets = 1 << 1,
- report_lookaheads = 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_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_ */
projects / bison.git / blobdiff