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Diffstat (limited to '3rdParty/Boost/src/boost/serialization/base_object.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/serialization/base_object.hpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/serialization/base_object.hpp b/3rdParty/Boost/src/boost/serialization/base_object.hpp new file mode 100644 index 0000000..b840d25 --- /dev/null +++ b/3rdParty/Boost/src/boost/serialization/base_object.hpp @@ -0,0 +1,112 @@ +#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/mpl/bool.hpp> +#include <boost/mpl/identity.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/type_traits/is_polymorphic.hpp> + +#include <boost/static_assert.hpp> +#include <boost/serialization/access.hpp> +#include <boost/serialization/force_include.hpp> +#include <boost/serialization/void_cast_fwd.hpp> + +namespace boost { +namespace serialization { + +namespace detail +{ + // 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); + }; + + // only register void casts if the types are polymorphic + template<class Base, class Derived> + struct base_register + { + struct polymorphic { + static void const * invoke(){ + Base const * const b = 0; + Derived const * const d = 0; + return & void_cast_register(d, b); + } + }; + struct non_polymorphic { + static void const * invoke(){ + return 0; + } + }; + static void const * invoke(){ + typedef BOOST_DEDUCED_TYPENAME mpl::eval_if< + is_polymorphic<Base>, + mpl::identity<polymorphic>, + mpl::identity<non_polymorphic> + >::type type; + return type::invoke(); + } + }; + +} // namespace detail +#if defined(__BORLANDC__) && __BORLANDC__ < 0x610 +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 access::cast_reference<const Base, Derived>(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 access::cast_reference<type, Derived>(d); +} +#endif + +} // namespace serialization +} // namespace boost + +#endif // BOOST_SERIALIZATION_BASE_OBJECT_HPP |