/* Parse command line arguments for bison.
- Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005
+ 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.
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 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 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. */
+/*-----------.
+| --report. |
+`-----------*/
+
enum report
{
report_none = 0,
report_states = 1 << 0,
report_itemsets = 1 << 1,
- report_look_ahead_tokens= 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_yacc = 1 << 1, /**< POSIXME. */
+ warnings_all = ~0 /**< All of the above. */
+ };
+/** 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[]);
#endif /* !GETARGS_H_ */