174 lines
6.3 KiB
C++
174 lines
6.3 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2010-2011.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/move for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
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#define BOOST_MOVE_MOVE_HELPERS_HPP
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#include <boost/move/move.hpp>
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#include <boost/type_traits/is_class.hpp>
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#if defined(BOOST_NO_RVALUE_REFERENCES) || (defined(_MSC_VER) && (_MSC_VER == 1600))
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#include <boost/type_traits/is_same.hpp>
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#include <boost/utility/enable_if.hpp>
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#endif
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#if defined(BOOST_NO_RVALUE_REFERENCES)
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#include <boost/mpl/if.hpp>
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#endif
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#if defined(BOOST_NO_RVALUE_REFERENCES)
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struct not_a_type;
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#define BOOST_MOVE_CATCH_CONST(U) \
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typename ::boost::mpl::if_< ::boost::is_class<U>, BOOST_CATCH_CONST_RLVALUE(U), const U &>::type
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#define BOOST_MOVE_CATCH_RVALUE(U)\
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typename ::boost::mpl::if_< ::boost::is_class<U>, BOOST_RV_REF(U), not_a_type>::type
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#define BOOST_MOVE_CATCH_FWD(U) BOOST_FWD_REF(U)
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#else
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#define BOOST_MOVE_CATCH_CONST(U) const U &
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#define BOOST_MOVE_CATCH_RVALUE(U) U &&
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#define BOOST_MOVE_CATCH_FWD(U) U &&
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#endif
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#ifdef BOOST_NO_RVALUE_REFERENCES
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(TYPE &x)\
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{ return FWD_FUNCTION(const_cast<const TYPE &>(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< ::boost::is_class<TYPE>::value &&\
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::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value &&\
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!::boost::has_move_emulation_enabled<BOOST_MOVE_TEMPL_PARAM>::value\
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, RETURN_VALUE >::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{ return FWD_FUNCTION(u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< (!::boost::is_class<BOOST_MOVE_TEMPL_PARAM>::value || \
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!::boost::move_detail::is_rv<BOOST_MOVE_TEMPL_PARAM>::value) && \
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!::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value \
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, RETURN_VALUE >::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t(u);\
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return FWD_FUNCTION(::boost::move(t));\
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}\
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//
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#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value\
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, RETURN_VALUE >::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t(u);\
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return FWD_FUNCTION(::boost::move(t));\
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}\
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//
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#else
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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//
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#endif
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#ifdef BOOST_NO_RVALUE_REFERENCES
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1)\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, TYPE &x)\
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{ return FWD_FUNCTION(arg1, const_cast<const TYPE &>(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< ::boost::is_class<TYPE>::value &&\
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::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value &&\
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!::boost::has_move_emulation_enabled<BOOST_MOVE_TEMPL_PARAM>::value\
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, RETURN_VALUE >::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{ return FWD_FUNCTION(arg1, u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< (!::boost::is_class<BOOST_MOVE_TEMPL_PARAM>::value || \
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!::boost::move_detail::is_rv<BOOST_MOVE_TEMPL_PARAM>::value) && \
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!::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value \
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, RETURN_VALUE >::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t(u);\
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return FWD_FUNCTION(arg1, ::boost::move(t));\
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}\
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//
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#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1)\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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typename ::boost::enable_if_c\
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< !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value\
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, RETURN_VALUE >::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t(u);\
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return FWD_FUNCTION(arg1, ::boost::move(t));\
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}\
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//
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#else
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1)\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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//
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#endif
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#endif //#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
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