+/* --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
+ {
+ report_none = 0,
+ report_states = 1 << 0,
+ report_itemsets = 1 << 1,
+ report_lookaheads = 1 << 2,
+ report_solved_conflicts = 1 << 3,
+ report_all = ~0
+ };
+extern int report_flag;
+