Added boost header

test/external/boost/statechart/exception_translator.hpp

@@ -0,0 +1,58 @@
+#ifndef BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED
+#define BOOST_STATECHART_EXCEPTION_TRANSLATOR_HPP_INCLUDED
+//////////////////////////////////////////////////////////////////////////////
+// Copyright 2002-2006 Andreas Huber Doenni
+// Distributed under the Boost Software License, Version 1.0. (See accompany-
+// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//////////////////////////////////////////////////////////////////////////////
+
+
+
+#include <boost/statechart/event.hpp>
+#include <boost/statechart/result.hpp>
+
+
+
+namespace boost
+{
+namespace statechart
+{
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+class exception_thrown : public event< exception_thrown > {};
+
+
+
+//////////////////////////////////////////////////////////////////////////////
+template< class ExceptionEvent = exception_thrown >
+class exception_translator
+{
+  public:
+    //////////////////////////////////////////////////////////////////////////
+    // The following declarations should be private.
+    // They are only public because many compilers lack template friends.
+    //////////////////////////////////////////////////////////////////////////
+    template< class Action, class ExceptionEventHandler >
+    result operator()( Action action, ExceptionEventHandler eventHandler )
+    {
+      try
+      {
+        return action();
+      }
+      catch ( ... )
+      {
+        return eventHandler( ExceptionEvent() );
+      }
+    }
+};
+
+
+
+} // namespace statechart
+} // namespace boost
+
+
+
+#endif