Imported existing code

libraries/include/boost/archive/impl/archive_pointer_iserializer.ipp

@@ -0,0 +1,87 @@
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// pointer_iserializer.ipp: 
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <utility>
+#include <cassert>
+#include <cstddef>
+#include <boost/config.hpp> // msvc 6.0 needs this for warning suppression
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{ 
+    using ::size_t; 
+} // namespace std
+#endif
+
+#include <boost/serialization/singleton.hpp>
+#include <boost/archive/detail/basic_serializer_map.hpp>
+#include <boost/archive/detail/archive_pointer_iserializer.hpp>
+
+namespace boost { 
+namespace archive {
+namespace detail {
+
+namespace { // anon
+    template<class Archive>
+    class iserializer_map : public basic_serializer_map 
+    {
+    };
+}
+
+template<class Archive>
+BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
+archive_pointer_iserializer<Archive>::archive_pointer_iserializer(
+    const boost::serialization::extended_type_info & eti
+) :
+    basic_pointer_iserializer(eti)
+{
+    std::pair<BOOST_DEDUCED_TYPENAME  iserializer_map<Archive>::iterator, bool> result;
+    result = serialization::singleton<
+            iserializer_map<Archive> 
+        >::get_mutable_instance().insert(this);
+    assert(result.second);
+}
+
+template<class Archive>
+BOOST_ARCHIVE_OR_WARCHIVE_DECL(const basic_pointer_iserializer *) 
+archive_pointer_iserializer<Archive>::find(
+    const boost::serialization::extended_type_info & eti
+){
+    const basic_serializer_arg bs(eti);
+    BOOST_DEDUCED_TYPENAME iserializer_map<Archive>::const_iterator it;
+    it = boost::serialization::singleton<
+            iserializer_map<Archive> 
+         >::get_const_instance().find(& bs);
+    assert(
+        it 
+        != 
+        boost::serialization::singleton<
+                iserializer_map<Archive> 
+            >::get_const_instance().end()
+    );
+    return static_cast<const basic_pointer_iserializer *>(*it);
+}
+
+template<class Archive>
+BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
+archive_pointer_iserializer<Archive>::~archive_pointer_iserializer(){
+    if(! serialization::singleton<
+            iserializer_map<Archive> 
+        >::is_destroyed()
+    ){
+        std::size_t count;
+        count = serialization::singleton<
+                iserializer_map<Archive> 
+            >::get_mutable_instance().erase(this);
+        assert(count);
+    }
+}
+
+} // namespace detail
+} // namespace archive
+} // namespace boost