/* Parse command line arguments for bison.
- Copyright 1984, 1986, 1989, 1992, 2000, 2001, 2002
+ Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
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 const char *skeleton; /* for -S */
-extern const char *include; /* for -I */
-
-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 graph_flag; /* for -g */
-extern int yacc_flag; /* for -y */
-
-/* --trace. */
-enum trace_e
- {
- 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_all = ~0
- };
-extern int trace_flag;
-/* --report. */
-enum report_e
+/* 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 "c++"];
+ char skeleton[sizeof "c++-skel.m4"];
+ char src_extension[sizeof ".cc"];
+ char header_extension[sizeof ".hh"];
+ 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;
-void getargs PARAMS ((int argc, char *argv[]));
+/*----------.
+| --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_ */
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