--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ossrv_pub/boost_apis/boost/serialization/base_object.hpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,172 @@
+#ifndef BOOST_SERIALIZATION_BASE_OBJECT_HPP
+#define BOOST_SERIALIZATION_BASE_OBJECT_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// base_object.hpp:
+
+// (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.
+
+// if no archive headers have been included this is a no op
+// this is to permit BOOST_EXPORT etc to be included in a
+// file declaration header
+
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/int.hpp>
+#include <boost/type_traits/is_base_and_derived.hpp>
+#include <boost/type_traits/is_pointer.hpp>
+#include <boost/type_traits/is_const.hpp>
+
+#include <boost/static_assert.hpp>
+#include <boost/serialization/type_info_implementation.hpp>
+#include <boost/serialization/force_include.hpp>
+#include <boost/serialization/void_cast_fwd.hpp>
+
+namespace boost {
+namespace serialization {
+
+namespace detail {
+ // metrowerks CodeWarrior
+ #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206))
+ // only register void casts if the types are polymorphic
+ template<class Base, class Derived>
+ struct base_register{
+ struct nothing {
+ static const void_cast_detail::void_caster & invoke(){
+ return static_cast<const void_cast_detail::void_caster &>(
+ * static_cast<const void_cast_detail::void_caster *>(NULL)
+ );
+ }
+ };
+
+ // hold a reference to the void_cast_register and void_caster in the hope of
+ // ensuring code instantiation for some compilers with over-zealous link time
+ // optimiser. The compiler that demanded this was CW
+ struct reg{
+ typedef const void_cast_detail::void_caster & (* t_vcr)(
+ const Derived *,
+ const Base *
+ );
+ t_vcr m_vcr;
+ static const void_cast_detail::void_caster & invoke(){
+ return void_cast_register<const Derived, const Base>(
+ static_cast<const Derived *>(NULL),
+ static_cast<const Base *>(NULL)
+ );
+ }
+ reg() :
+ m_vcr(static_cast<t_vcr>(void_cast_register))
+ {
+ }
+ } m_reg;
+
+ static const void_cast_detail::void_caster & invoke(){
+ typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
+ BOOST_DEDUCED_TYPENAME type_info_implementation<Base>::type::is_polymorphic,
+ mpl::identity<reg>,
+ mpl::identity<nothing>
+ >::type typex;
+ return typex::invoke();
+ }
+
+ const void_cast_detail::void_caster & m_vc;
+ Derived & m_d;
+
+ base_register(Derived & d) :
+ m_vc(invoke()),
+ m_d(d)
+ {}
+ Base & get_base() const {
+ return m_d;
+ }
+ };
+ #else
+ // only register void casts if the types are polymorphic
+ template<class Base, class Derived>
+ struct base_register{
+ struct nothing {
+ static void invoke(){}
+ };
+ struct reg{
+ static void invoke(){
+ void_cast_register<const Derived, const Base>(
+ static_cast<const Derived *>(NULL),
+ static_cast<const Base *>(NULL)
+ );
+ }
+ };
+ static void invoke(){
+ typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
+ BOOST_DEDUCED_TYPENAME type_info_implementation<Base>::type::is_polymorphic,
+ mpl::identity<reg>,
+ mpl::identity<nothing>
+ >::type typex;
+ typex::invoke();
+ }
+ };
+ #endif
+ // get the base type for a given derived type
+ // preserving the const-ness
+ template<class B, class D>
+ struct base_cast
+ {
+ typedef BOOST_DEDUCED_TYPENAME
+ mpl::if_<
+ is_const<D>,
+ const B,
+ B
+ >::type type;
+ BOOST_STATIC_ASSERT(is_const<type>::value == is_const<D>::value);
+ };
+} // namespace detail
+
+// metrowerks CodeWarrior
+#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206))
+template<class Base, class Derived>
+BOOST_DEDUCED_TYPENAME detail::base_cast<Base, Derived>::type &
+base_object(Derived &d)
+{
+ BOOST_STATIC_ASSERT(( is_base_and_derived<Base,Derived>::value));
+ BOOST_STATIC_ASSERT(! is_pointer<Derived>::value);
+ typedef BOOST_DEDUCED_TYPENAME detail::base_cast<Base, Derived>::type type;
+ return detail::base_register<type, Derived>(d).get_base();
+}
+// BORLAND
+#elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560))
+template<class Base, class Derived>
+const Base &
+base_object(const Derived & d)
+{
+ BOOST_STATIC_ASSERT(! is_pointer<Derived>::value);
+ detail::base_register<Base, Derived>::invoke();
+ return static_cast<const Base &>(d);
+}
+#else
+template<class Base, class Derived>
+BOOST_DEDUCED_TYPENAME detail::base_cast<Base, Derived>::type &
+base_object(Derived &d)
+{
+ BOOST_STATIC_ASSERT(( is_base_and_derived<Base,Derived>::value));
+ BOOST_STATIC_ASSERT(! is_pointer<Derived>::value);
+ typedef BOOST_DEDUCED_TYPENAME detail::base_cast<Base, Derived>::type type;
+ detail::base_register<type, Derived>::invoke();
+ return static_cast<type &>(d);
+}
+#endif
+
+} // namespace serialization
+} // namespace boost
+
+#endif // BOOST_SERIALIZATION_BASE_OBJECT_HPP