comparison DEPENDENCIES/generic/include/boost/move/detail/move_helpers.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
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children c530137014c0
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15:663ca0da4350 16:2665513ce2d3
1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2010-2012.
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // See http://www.boost.org/libs/move for documentation.
9 //
10 //////////////////////////////////////////////////////////////////////////////
11
12 #ifndef BOOST_MOVE_MOVE_HELPERS_HPP
13 #define BOOST_MOVE_MOVE_HELPERS_HPP
14
15 #include <boost/move/utility.hpp>
16 #include <boost/type_traits/is_class.hpp>
17 #include <boost/move/utility.hpp>
18 #include <boost/move/traits.hpp>
19
20 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || (defined(_MSC_VER) && (_MSC_VER == 1600))
21 #include <boost/type_traits/is_same.hpp>
22 #include <boost/type_traits/is_class.hpp>
23 #include <boost/type_traits/is_convertible.hpp>
24 #include <boost/utility/enable_if.hpp>
25 #endif
26 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
27 #include <boost/mpl/if.hpp>
28 #endif
29
30
31 #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
32 struct not_a_type;
33 struct not_a_type2;
34 #define BOOST_MOVE_CATCH_CONST(U) \
35 typename ::boost::mpl::if_< ::boost::is_class<U>, BOOST_CATCH_CONST_RLVALUE(U), const U &>::type
36 #define BOOST_MOVE_CATCH_RVALUE(U)\
37 typename ::boost::mpl::if_< ::boost::is_class<U>, BOOST_RV_REF(U), not_a_type>::type
38 #define BOOST_MOVE_CATCH_FWD(U) BOOST_FWD_REF(U)
39 #else
40 #define BOOST_MOVE_CATCH_CONST(U) const U &
41 #define BOOST_MOVE_CATCH_RVALUE(U) U &&
42 #define BOOST_MOVE_CATCH_FWD(U) U &&
43 #endif
44
45 #ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
46 #define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
47 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
48 { return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
49 \
50 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
51 { return FWD_FUNCTION(::boost::move(x)); }\
52 \
53 RETURN_VALUE PUB_FUNCTION(TYPE &x)\
54 { return FWD_FUNCTION(const_cast<const TYPE &>(x)); }\
55 \
56 template<class BOOST_MOVE_TEMPL_PARAM>\
57 typename ::boost::enable_if_c\
58 < ::boost::is_class<TYPE>::value &&\
59 ::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value &&\
60 !::boost::has_move_emulation_enabled<BOOST_MOVE_TEMPL_PARAM>::value\
61 , RETURN_VALUE >::type\
62 PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
63 { return FWD_FUNCTION(u); }\
64 \
65 template<class BOOST_MOVE_TEMPL_PARAM>\
66 typename ::boost::enable_if_c\
67 < (!::boost::is_class<BOOST_MOVE_TEMPL_PARAM>::value || \
68 !::boost::move_detail::is_rv<BOOST_MOVE_TEMPL_PARAM>::value) && \
69 !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value \
70 , RETURN_VALUE >::type\
71 PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
72 {\
73 TYPE t(u);\
74 return FWD_FUNCTION(::boost::move(t));\
75 }\
76 //
77 // ::boost::is_convertible<BOOST_MOVE_TEMPL_PARAM, TYPE>::value &&
78 #elif (defined(_MSC_VER) && (_MSC_VER == 1600))
79
80 #define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
81 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
82 { return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
83 \
84 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
85 { return FWD_FUNCTION(::boost::move(x)); }\
86 \
87 template<class BOOST_MOVE_TEMPL_PARAM>\
88 typename ::boost::enable_if_c\
89 < !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value\
90 , RETURN_VALUE >::type\
91 PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
92 {\
93 TYPE t(u);\
94 return FWD_FUNCTION(::boost::move(t));\
95 }\
96 //
97
98 #else
99
100 #define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
101 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
102 { return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
103 \
104 RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
105 { return FWD_FUNCTION(::boost::move(x)); }\
106 //
107
108 #endif
109
110
111 #ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
112
113 #define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
114 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
115 { return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
116 \
117 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
118 { return FWD_FUNCTION(arg1, ::boost::move(x)); }\
119 \
120 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, TYPE &x)\
121 { return FWD_FUNCTION(arg1, const_cast<const TYPE &>(x)); }\
122 \
123 template<class BOOST_MOVE_TEMPL_PARAM>\
124 typename ::boost::enable_if_c<\
125 ::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value &&\
126 !::boost::has_move_emulation_enabled<BOOST_MOVE_TEMPL_PARAM>::value\
127 , RETURN_VALUE >::type\
128 PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
129 { return FWD_FUNCTION(arg1, u); }\
130 \
131 template<class BOOST_MOVE_TEMPL_PARAM>\
132 typename ::boost::enable_if_c<\
133 !::boost::move_detail::is_rv<BOOST_MOVE_TEMPL_PARAM>::value && \
134 !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value && \
135 !::boost::is_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO>::value \
136 , RETURN_VALUE >::type\
137 PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
138 {\
139 TYPE t(u);\
140 return FWD_FUNCTION(arg1, ::boost::move(t));\
141 }\
142 //
143
144 #elif (defined(_MSC_VER) && (_MSC_VER == 1600))
145
146 #define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
147 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
148 { return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
149 \
150 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
151 { return FWD_FUNCTION(arg1, ::boost::move(x)); }\
152 \
153 template<class BOOST_MOVE_TEMPL_PARAM>\
154 typename ::boost::enable_if_c\
155 < !::boost::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value && \
156 !::boost::is_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO>::value \
157 , RETURN_VALUE >::type\
158 PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
159 {\
160 TYPE t(u);\
161 return FWD_FUNCTION(arg1, ::boost::move(t));\
162 }\
163 //
164
165 #else
166
167 #define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
168 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
169 { return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
170 \
171 RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
172 { return FWD_FUNCTION(arg1, ::boost::move(x)); }\
173 //
174
175 #endif
176
177 #endif //#ifndef BOOST_MOVE_MOVE_HELPERS_HPP