diff --git a/boost/serialization/export.hpp b/boost/serialization/export.hpp new file mode 100644 index 00000000..00e85b18 --- /dev/null +++ b/boost/serialization/export.hpp @@ -0,0 +1,223 @@ +#ifndef BOOST_SERIALIZATION_EXPORT_HPP +#define BOOST_SERIALIZATION_EXPORT_HPP + +// MS compatible compilers support #pragma once +#if defined(_MSC_VER) +# pragma once +#endif + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// export.hpp: set traits of classes to be serialized + +// (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. + +// (C) Copyright 2006 David Abrahams - http://www.boost.org. +// implementation of class export functionality. This is an alternative to +// "forward declaration" method to provoke instantiation of derived classes +// that are to be serialized through pointers. + +#include +#include // NULL + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include // for guid_defined only +#include +#include +#include +#include + +#include + +namespace boost { +namespace archive { +namespace detail { + +class basic_pointer_iserializer; +class basic_pointer_oserializer; + +template +class pointer_iserializer; +template +class pointer_oserializer; + +template +struct export_impl +{ + static const basic_pointer_iserializer & + enable_load(mpl::true_){ + return boost::serialization::singleton< + pointer_iserializer + >::get_const_instance(); + } + + static const basic_pointer_oserializer & + enable_save(mpl::true_){ + return boost::serialization::singleton< + pointer_oserializer + >::get_const_instance(); + } + inline static void enable_load(mpl::false_) {} + inline static void enable_save(mpl::false_) {} +}; + +// On many platforms, naming a specialization of this template is +// enough to cause its argument to be instantiated. +template +struct instantiate_function {}; + +template +struct ptr_serialization_support +{ +# if defined(BOOST_MSVC) || defined(__SUNPRO_CC) + virtual BOOST_DLLEXPORT void instantiate() BOOST_USED; +# else + static BOOST_DLLEXPORT void instantiate() BOOST_USED; + typedef instantiate_function< + &ptr_serialization_support::instantiate + > x; +# endif +}; + +template +BOOST_DLLEXPORT void +ptr_serialization_support::instantiate() +{ + export_impl::enable_save( + typename Archive::is_saving() + ); + + export_impl::enable_load( + typename Archive::is_loading() + ); +} + +// Note INTENTIONAL usage of anonymous namespace in header. +// This was made this way so that export.hpp could be included +// in other headers. This is still under study. + +namespace extra_detail { + +template +struct guid_initializer +{ + void export_guid(mpl::false_) const { + // generates the statically-initialized objects whose constructors + // register the information allowing serialization of T objects + // through pointers to their base classes. + instantiate_ptr_serialization((T*)0, 0, adl_tag()); + } + void export_guid(mpl::true_) const { + } + guid_initializer const & export_guid() const { + BOOST_STATIC_WARNING(boost::is_polymorphic< T >::value); + // note: exporting an abstract base class will have no effect + // and cannot be used to instantitiate serialization code + // (one might be using this in a DLL to instantiate code) + //BOOST_STATIC_WARNING(! boost::serialization::is_abstract< T >::value); + export_guid(boost::serialization::is_abstract< T >()); + return *this; + } +}; + +template +struct init_guid; + +} // anonymous +} // namespace detail +} // namespace archive +} // namespace boost + +#define BOOST_CLASS_EXPORT_IMPLEMENT(T) \ + namespace boost { \ + namespace archive { \ + namespace detail { \ + namespace extra_detail { \ + template<> \ + struct init_guid< T > { \ + static guid_initializer< T > const & g; \ + }; \ + guid_initializer< T > const & init_guid< T >::g = \ + ::boost::serialization::singleton< \ + guid_initializer< T > \ + >::get_mutable_instance().export_guid(); \ + }}}} \ +/**/ + +#define BOOST_CLASS_EXPORT_KEY2(T, K) \ +namespace boost { \ +namespace serialization { \ +template<> \ +struct guid_defined< T > : boost::mpl::true_ {}; \ +template<> \ +inline const char * guid< T >(){ \ + return K; \ +} \ +} /* serialization */ \ +} /* boost */ \ +/**/ + +#define BOOST_CLASS_EXPORT_KEY(T) \ + BOOST_CLASS_EXPORT_KEY2(T, BOOST_PP_STRINGIZE(T)) \ +/**/ + +#define BOOST_CLASS_EXPORT_GUID(T, K) \ +BOOST_CLASS_EXPORT_KEY2(T, K) \ +BOOST_CLASS_EXPORT_IMPLEMENT(T) \ +/**/ + +#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205)) + +// CodeWarrior fails to construct static members of class templates +// when they are instantiated from within templates, so on that +// compiler we ask users to specifically register base/derived class +// relationships for exported classes. On all other compilers, use of +// this macro is entirely optional. +# define BOOST_SERIALIZATION_MWERKS_BASE_AND_DERIVED(Base,Derived) \ +namespace { \ + static int BOOST_PP_CAT(boost_serialization_mwerks_init_, __LINE__) = \ + (::boost::archive::detail::instantiate_ptr_serialization((Derived*)0,0), 3); \ + static int BOOST_PP_CAT(boost_serialization_mwerks_init2_, __LINE__) = ( \ + ::boost::serialization::void_cast_register((Derived*)0,(Base*)0) \ + , 3); \ +} + +#else + +# define BOOST_SERIALIZATION_MWERKS_BASE_AND_DERIVED(Base,Derived) + +#endif + +// check for unnecessary export. T isn't polymorphic so there is no +// need to export it. +#define BOOST_CLASS_EXPORT_CHECK(T) \ + BOOST_STATIC_WARNING( \ + boost::is_polymorphic::value \ + ); \ + /**/ + +// the default exportable class identifier is the class name +// the default list of archives types for which code id generated +// are the originally included with this serialization system +#define BOOST_CLASS_EXPORT(T) \ + BOOST_CLASS_EXPORT_GUID( \ + T, \ + BOOST_PP_STRINGIZE(T) \ + ) \ + /**/ + +#endif // BOOST_SERIALIZATION_EXPORT_HPP + diff --git a/build.cmd b/build.cmd index 066f8dd8..8b29316e 100644 --- a/build.cmd +++ b/build.cmd @@ -19,6 +19,7 @@ bcp ^ boost/serialization/array.hpp ^ boost/serialization/bitset.hpp ^ boost/serialization/binary_object.hpp ^ + boost/serialization/export.hpp ^ boost/serialization/vector.hpp ^ boost/serialization/set.hpp ^ boost/serialization/map.hpp ^