From 727a83dc82fa094aa91630d165d230a9a2dabe60 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 1 Nov 2010 09:01:50 +0200
Subject: Factor assignment of database type to separate pass

---
 odb/type-processor.cxx | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 odb/type-processor.cxx

(limited to 'odb/type-processor.cxx')

diff --git a/odb/type-processor.cxx b/odb/type-processor.cxx
new file mode 100644
index 0000000..c8e58a1
--- /dev/null
+++ b/odb/type-processor.cxx
@@ -0,0 +1,97 @@
+// file      : odb/type-processor.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v3; see accompanying LICENSE file
+
+#include <odb/type-processor.hxx>
+
+namespace
+{
+  struct data_member: traversal::data_member, context
+  {
+    data_member (context& c)
+        : context (c)
+    {
+    }
+
+    virtual void
+    traverse (type& m)
+    {
+      if (m.count ("transient"))
+        return;
+
+      semantics::type& t (m.type ());
+
+      // Nothing to do if this is a composite value type.
+      //
+      if (comp_value (t))
+        return;
+
+      string const& type (column_type_impl (m));
+
+      if (!type.empty ())
+      {
+        m.set ("column-type", type);
+        return;
+      }
+
+      // See if this is a container type.
+      //
+
+      // If it is none of the above then we have an error.
+      //
+      string const& fq_type (t.fq_name (m.belongs ().hint ()));
+
+      cerr << m.file () << ":" << m.line () << ":" << m.column () << ":"
+           << " error: unable to map C++ type '" << fq_type << "' used in "
+           << "data member '" << m.name () << "' to a database type" << endl;
+
+      cerr << m.file () << ":" << m.line () << ":" << m.column () << ":"
+           << " info: use '#pragma db type' to specify the database type"
+           << endl;
+
+      throw generation_failed ();
+    }
+  };
+
+  struct class_: traversal::class_, context
+  {
+    class_ (context& c)
+        : context (c), member_ (c)
+    {
+      *this >> member_names_ >> member_;
+    }
+
+    virtual void
+    traverse (type& c)
+    {
+      if (!(c.count ("object") || comp_value (c)))
+        return;
+
+      names (c);
+    }
+
+  private:
+    data_member member_;
+    traversal::names member_names_;
+  };
+}
+
+void
+process_types (context& ctx)
+{
+  traversal::unit unit;
+  traversal::defines unit_defines;
+  traversal::namespace_ ns;
+  class_ c (ctx);
+
+  unit >> unit_defines >> ns;
+  unit_defines >> c;
+
+  traversal::defines ns_defines;
+
+  ns >> ns_defines >> ns;
+  ns_defines >> c;
+
+  unit.dispatch (ctx.unit);
+}
-- 
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