From 7ae497743c7b042904fe1f6b4153ab3f4763ff2b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Mar 2011 08:44:28 +0200
Subject: Split MySQL code generator into common and db-specific parts

The common part (in relational/) still has some MySQL-specific parts.
Also, add the notion of the current context which is used to avoid
explicitly passing the context object to every generator's c-tor.
---
 odb/emitter.cxx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'odb/emitter.cxx')

diff --git a/odb/emitter.cxx b/odb/emitter.cxx
index 6cfe64a..2989ffb 100644
--- a/odb/emitter.cxx
+++ b/odb/emitter.cxx
@@ -3,6 +3,7 @@
 // copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
 // license   : GNU GPL v3; see accompanying LICENSE file
 
+#include <odb/context.hxx>
 #include <odb/emitter.hxx>
 
 using namespace std;
@@ -30,7 +31,22 @@ sync ()
       s.resize (n - 1);
   }
 
+  // Temporary restore output diversion.
+  //
+  bool r (false);
+  context& ctx (context::current ());
+
+  if (ctx.os.rdbuf () == this)
+  {
+    ctx.restore ();
+    r = true;
+  }
+
   e_.line (s);
+
+  if (r)
+    ctx.diverge (this);
+
   str (string ());
   return 0;
 }
-- 
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