2006-09-04 Frank Ch. Eigler <fche@elastic.org>

	Improve unresolved target-symbol error messages.
	* staptree.h (target_symbol): Add new field saved_conversion_error.
	* elaborate.cxx (typeresolution_info::visit_target_symbol): Throw
	that if found instead of generic error.
	* tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it.

1 files changed, 2 insertions, 0 deletions

diff --git a/staptree.h b/staptree.h
index 8c18f276..11243c98 100644
--- a/staptree.h
+++ b/staptree.h
@@ -229,6 +229,8 @@ struct target_symbol : public expression
     };
   std::string base_name;
   std::vector<std::pair<component_type, std::string> > components;
+  semantic_error* saved_conversion_error;
+  target_symbol(): saved_conversion_error (0) {}
   void print (std::ostream& o) const;
   void visit (visitor* u);
 };