From 0aadb6dab08ac220c5567e349a3a4c59a530508b Mon Sep 17 00:00:00 2001
From: Daniel Wallin <daniel@boostpro.com>
Date: Thu, 19 Feb 2004 17:50:55 +0000
Subject: [PATCH] *** empty log message ***

---
 luabind/detail/class_cache.hpp | 89 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100755 luabind/detail/class_cache.hpp

diff --git a/luabind/detail/class_cache.hpp b/luabind/detail/class_cache.hpp
new file mode 100755
index 0000000..e6772b6
--- /dev/null
+++ b/luabind/detail/class_cache.hpp
@@ -0,0 +1,89 @@
+// Copyright (c) 2004 Daniel Wallin
+
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+// OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef CLASS_CACHE_040218_HPP
+#define CLASS_CACHE_040218_HPP
+
+#include <luabind/prefix.hpp>
+#include <boost/type_traits/add_reference.hpp>
+#include <boost/type_traits/add_const.hpp>
+
+namespace luabind { namespace detail {
+
+#ifdef LUABIND_NOT_THREADSAFE
+    
+    class class_rep;
+    
+    template<class T>
+    struct class_cache_impl
+    {
+        static lua_State* state;
+        static class_rep* class_;
+    };
+
+    template<class T>
+    lua_State* class_cache_impl<T>::state = 0;
+
+    template<class T>
+    class_rep* class_cache_impl<T>::class_ = 0;
+
+    template<class T>
+    struct class_cache
+        : class_cache_impl<
+              typename boost::add_reference<
+                  typename boost::add_const<
+                      T
+                  >::type
+              >::type
+          >
+    {
+    };
+    
+    template<class T>
+    class_rep* get_class_rep(lua_State* L, void(*)(T) = 0)
+    {
+        if (class_cache<T>::state != L)
+        {
+            class_cache<T>::state = L;
+
+            class_registry* registry = class_registry::get_registry(L);
+			class_cache<T>::class_ = registry->find_class(LUABIND_TYPEID(T));
+        }
+
+        return class_cache<T>::class_;
+    }
+
+#else
+
+    template<class T>
+    class_rep* get_class_rep(lua_State* L, void(*)(T) = 0)
+    {
+        class_registry* registry = class_registry::get_registry(L);
+        return registry->find_class(LUABIND_TYPEID(T));
+    }
+
+#endif
+
+}} // namespace luabind::detail
+
+#endif // CLASS_CACHE_040218_HPP
+
-- 
2.11.4.GIT