Print out information to make it easier to determine which probe

in script associated with timing information.

1 files changed, 1 insertions, 0 deletions

diff --git a/parse.h b/parse.h
index b9d56152..8648bc52 100644
--- a/parse.h
+++ b/parse.h
@@ -24,6 +24,7 @@ struct source_loc
   unsigned column;
 };
 
+std::ostream& operator << (std::ostream& o, const source_loc& loc);
 
 enum token_type 
   {