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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2010-2016.
// Distributed under 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/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
#define BOOST_MOVE_MOVE_HELPERS_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/move/detail/type_traits.hpp>
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
#define BOOST_MOVE_CATCH_CONST(U) \
typename ::boost::move_detail::if_< ::boost::move_detail::is_class<U>, BOOST_CATCH_CONST_RLVALUE(U), const U &>::type
#define BOOST_MOVE_CATCH_RVALUE(U)\
typename ::boost::move_detail::if_< ::boost::move_detail::is_class<U>, BOOST_RV_REF(U), ::boost::move_detail::nat>::type
#define BOOST_MOVE_CATCH_FWD(U) BOOST_FWD_REF(U)
#else
#define BOOST_MOVE_CATCH_CONST(U) const U &
#define BOOST_MOVE_CATCH_RVALUE(U) U &&
#define BOOST_MOVE_CATCH_FWD(U) U &&
#endif
////////////////////////////////////////
//
// BOOST_MOVE_CONVERSION_AWARE_CATCH
//
////////////////////////////////////////
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class TYPE>
struct boost_move_conversion_aware_catch_1
: public ::boost::move_detail::enable_if_and
< RETURN_VALUE
, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
, ::boost::move_detail::is_class<TYPE>
, ::boost::has_move_emulation_disabled<BOOST_MOVE_TEMPL_PARAM>
>
{};
template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class TYPE>
struct boost_move_conversion_aware_catch_2
: public ::boost::move_detail::disable_if_or
< RETURN_VALUE
, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
, ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
, ::boost::move_detail::and_
< ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
, ::boost::move_detail::is_class<BOOST_MOVE_TEMPL_PARAM>
>
>
{};
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(::boost::move(x)); }\
\
RETURN_VALUE PUB_FUNCTION(TYPE &x)\
{ return FWD_FUNCTION(const_cast<const TYPE &>(x)); }\
//
#if defined(BOOST_MOVE_HELPERS_RETURN_SFINAE_BROKEN)
#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
RETURN_VALUE PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u,\
typename boost_move_conversion_aware_catch_1< ::boost::move_detail::nat, BOOST_MOVE_TEMPL_PARAM, TYPE>::type* = 0)\
{ return FWD_FUNCTION(u); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
RETURN_VALUE PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u,\
typename boost_move_conversion_aware_catch_2< ::boost::move_detail::nat, BOOST_MOVE_TEMPL_PARAM, TYPE>::type* = 0)\
{\
TYPE t((u));\
return FWD_FUNCTION(::boost::move(t));\
}\
//
#else
#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename boost_move_conversion_aware_catch_1<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, TYPE>::type\
PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
{ return FWD_FUNCTION(u); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename boost_move_conversion_aware_catch_2<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, TYPE>::type\
PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
{\
TYPE t((u));\
return FWD_FUNCTION(::boost::move(t));\
}\
//
#endif
#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(::boost::move(x)); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename ::boost::move_detail::enable_if_c\
< !::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value\
, RETURN_VALUE >::type\
PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
{\
TYPE t((u));\
return FWD_FUNCTION(::boost::move(t));\
}\
//
#else //BOOST_NO_CXX11_RVALUE_REFERENCES
#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(::boost::move(x)); }\
//
#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
////////////////////////////////////////
//
// BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG
//
////////////////////////////////////////
#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class UNLESS_CONVERTIBLE_TO, class TYPE>
struct boost_move_conversion_aware_catch_1arg_1
: public ::boost::move_detail::enable_if_and
< RETURN_VALUE
, ::boost::move_detail::not_< ::boost::move_detail::is_same_or_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO> >
, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
, ::boost::has_move_emulation_disabled<BOOST_MOVE_TEMPL_PARAM>
>
{};
template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class UNLESS_CONVERTIBLE_TO, class TYPE>
struct boost_move_conversion_aware_catch_1arg_2
: public ::boost::move_detail::disable_if_or
< RETURN_VALUE
, ::boost::move_detail::is_same_or_convertible< BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO>
, ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
>
{};
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, TYPE &x)\
{ return FWD_FUNCTION(arg1, const_cast<const TYPE &>(x)); }\
//
#if defined(BOOST_MOVE_HELPERS_RETURN_SFINAE_BROKEN)
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u,\
typename boost_move_conversion_aware_catch_1arg_1<void, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type* = 0)\
{ return FWD_FUNCTION(arg1, u); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u,\
typename boost_move_conversion_aware_catch_1arg_2<void, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type* = 0)\
{\
TYPE t((u));\
return FWD_FUNCTION(arg1, ::boost::move(t));\
}\
//
#else
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename boost_move_conversion_aware_catch_1arg_1<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type\
PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
{ return FWD_FUNCTION(arg1, u); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename boost_move_conversion_aware_catch_1arg_2<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type\
PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
{\
TYPE t((u));\
return FWD_FUNCTION(arg1, ::boost::move(t));\
}\
//
#endif
#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
\
template<class BOOST_MOVE_TEMPL_PARAM>\
typename ::boost::move_detail::disable_if_or\
< RETURN_VALUE \
, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM> \
, ::boost::move_detail::is_same_or_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO> \
>::type\
PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
{\
TYPE t((u));\
return FWD_FUNCTION(arg1, ::boost::move(t));\
}\
//
#else
#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
\
RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
//
#endif
#endif //#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
|
