2006-06-02 Frank Ch. Eigler <fche@elastic.org>

	PR 2645.
	* stapprobes.5.in: Document "?" probe point suffix.
	* parse.cxx (parse_probe_point): Recognize "?" optional suffix.
	* elaborate.cxx (derive_probes): Observe probe_point->optional.
	* staptree.h, staptree.cxx: Corresponding changes.
	* tapsets.cxx (never_derived_probe, never_builder): New classes.
	(register_standard_tapsets): Support "never" probe point.
	* testsuite/buildok/six.stp, parseok/five.stp: Modifed tests.

	* translate.cxx (emit_module_init): Format "-t" (benchmarking)
	cycle-time reports similarly to "-v" (verbose) times.

1 files changed, 1 insertions, 0 deletions

diff --git a/staptree.h b/staptree.h
index b2512054..fc5c590f 100644
--- a/staptree.h
+++ b/staptree.h
@@ -561,6 +561,7 @@ struct probe_point
   };
   std::vector<component*> components;
   const token* tok; // points to first component's functor
+  bool optional;
   void print (std::ostream& o) const;
   probe_point ();
   probe_point(std::vector<component*> const & comps,const token * t);