From a482f1c4dd4efab83d3b19309900f1cbf54383a5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 15 Oct 2013 07:01:17 +0200
Subject: Automatically map C++11 enum classes (strong enums)

---
 odb/traversal/enum.cxx | 21 +++++++++++++++++++++
 odb/traversal/enum.hxx | 23 +++++++++++++++++++----
 2 files changed, 40 insertions(+), 4 deletions(-)

(limited to 'odb/traversal')

diff --git a/odb/traversal/enum.cxx b/odb/traversal/enum.cxx
index 149f962..fd4ff89 100644
--- a/odb/traversal/enum.cxx
+++ b/odb/traversal/enum.cxx
@@ -14,13 +14,34 @@ namespace traversal
 
   //
   //
+  void underlies::
+  traverse (type& u)
+  {
+    dispatch (u.type ());
+  }
+
+  //
+  //
   void enum_::
   traverse (type& e)
   {
+    underlied (e);
     enumerates (e);
   }
 
   void enum_::
+  underlied (type& e)
+  {
+    underlied (e, *this);
+  }
+
+  void enum_::
+  underlied (type& e, edge_dispatcher& d)
+  {
+    d.dispatch (e.underlied ());
+  }
+
+  void enum_::
   enumerates (type& e)
   {
     enumerates (e, *this);
diff --git a/odb/traversal/enum.hxx b/odb/traversal/enum.hxx
index 1efccaa..c949934 100644
--- a/odb/traversal/enum.hxx
+++ b/odb/traversal/enum.hxx
@@ -12,10 +12,7 @@ namespace traversal
 {
   struct enumerates: edge<semantics::enumerates>
   {
-    enumerates ()
-    {
-    }
-
+    enumerates () {}
     enumerates (node_dispatcher& n)
     {
       node_traverser (n);
@@ -27,12 +24,30 @@ namespace traversal
 
   struct enumerator: node<semantics::enumerator> {};
 
+  struct underlies: edge<semantics::underlies>
+  {
+    underlies () {}
+    underlies (node_dispatcher& n)
+    {
+      node_traverser (n);
+    }
+
+    virtual void
+    traverse (type&);
+  };
+
   struct enum_: node<semantics::enum_>
   {
     virtual void
     traverse (type&);
 
     virtual void
+    underlied (type&);
+
+    virtual void
+    underlied (type&, edge_dispatcher&);
+
+    virtual void
     enumerates (type&);
 
     virtual void
-- 
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