Scopes can now provide a description of themselves

This isn't being used yet, but it likely will to improve the information
presented to users if their value expressions fail to compile or
evaluate.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/session.h b/src/session.h
index 6de4b2dd..b8fd52f2 100644
--- a/src/session.h
+++ b/src/session.h
@@ -64,6 +64,10 @@ public:
     TRACE_DTOR(session_t);
   }
 
+  virtual string description() {
+    return _("current session");
+  }
+
   void set_flush_on_next_data_file(const bool truth) {
     flush_on_next_data_file = truth;
   }