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, 10 insertions, 0 deletions

diff --git a/src/post.h b/src/post.h
index e1535a46..7d5abcd8 100644
--- a/src/post.h
+++ b/src/post.h
@@ -99,6 +99,16 @@ public:
     TRACE_DTOR(post_t);
   }
 
+  virtual string description() {
+    if (pos) {
+      std::ostringstream buf;
+      buf << _("posting at line %1") << pos->beg_line;
+      return buf.str();
+    } else {
+      return string(_("generated posting"));
+    }
+  }
+
   virtual bool has_tag(const string& tag,
                        bool          inherit = true) const;
   virtual bool has_tag(const mask_t&           tag_mask,