From 8d89bf37dd4ef3cb7373e1841ff57a53916fff0d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 21 Mar 2012 08:36:21 +0200
Subject: Polymorphic inheritance support

---
 odb/traversal/elements.cxx | 20 ++++++++++++++++++++
 odb/traversal/elements.hxx | 14 ++++++++++++++
 2 files changed, 34 insertions(+)

(limited to 'odb/traversal')

diff --git a/odb/traversal/elements.cxx b/odb/traversal/elements.cxx
index 34955d9..7ba207d 100644
--- a/odb/traversal/elements.cxx
+++ b/odb/traversal/elements.cxx
@@ -75,4 +75,24 @@ namespace traversal
   {
     d.dispatch (m.belongs ());
   }
+
+  // virtual_data_member
+  //
+  void virtual_data_member::
+  traverse (type& m)
+  {
+    belongs (m);
+  }
+
+  void virtual_data_member::
+  belongs (type& m)
+  {
+    belongs (m, *this);
+  }
+
+  void virtual_data_member::
+  belongs (type& m, edge_dispatcher& d)
+  {
+    d.dispatch (m.belongs ());
+  }
 }
diff --git a/odb/traversal/elements.hxx b/odb/traversal/elements.hxx
index ad9f4e9..967858f 100644
--- a/odb/traversal/elements.hxx
+++ b/odb/traversal/elements.hxx
@@ -233,6 +233,20 @@ namespace traversal
 
   //
   //
+  struct virtual_data_member: node<semantics::data_member>
+  {
+    virtual void
+    traverse (type&);
+
+    virtual void
+    belongs (type&);
+
+    virtual void
+    belongs (type&, edge_dispatcher&);
+  };
+
+  //
+  //
   struct unsupported_type: node<semantics::unsupported_type> {};
 }
 
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