comparison DEPENDENCIES/generic/include/boost/concept/detail/general.hpp @ 16:2665513ce2d3

Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
parents
children c530137014c0
comparison
equal deleted inserted replaced
15:663ca0da4350 16:2665513ce2d3
1 // Copyright David Abrahams 2006. Distributed under the Boost
2 // Software License, Version 1.0. (See accompanying
3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4 #ifndef BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
5 # define BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
6
7 # include <boost/preprocessor/cat.hpp>
8 # include <boost/concept/detail/backward_compatibility.hpp>
9
10 # ifdef BOOST_OLD_CONCEPT_SUPPORT
11 # include <boost/concept/detail/has_constraints.hpp>
12 # include <boost/mpl/if.hpp>
13 # endif
14
15 // This implementation works on Comeau and GCC, all the way back to
16 // 2.95
17 namespace boost { namespace concepts {
18
19 template <class ModelFn>
20 struct requirement_;
21
22 namespace detail
23 {
24 template <void(*)()> struct instantiate {};
25 }
26
27 template <class Model>
28 struct requirement
29 {
30 static void failed() { ((Model*)0)->~Model(); }
31 };
32
33 struct failed {};
34
35 template <class Model>
36 struct requirement<failed ************ Model::************>
37 {
38 static void failed() { ((Model*)0)->~Model(); }
39 };
40
41 # ifdef BOOST_OLD_CONCEPT_SUPPORT
42
43 template <class Model>
44 struct constraint
45 {
46 static void failed() { ((Model*)0)->constraints(); }
47 };
48
49 template <class Model>
50 struct requirement_<void(*)(Model)>
51 : mpl::if_<
52 concepts::not_satisfied<Model>
53 , constraint<Model>
54 , requirement<failed ************ Model::************>
55 >::type
56 {};
57
58 # else
59
60 // For GCC-2.x, these can't have exactly the same name
61 template <class Model>
62 struct requirement_<void(*)(Model)>
63 : requirement<failed ************ Model::************>
64 {};
65
66 # endif
67
68 # define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
69 typedef ::boost::concepts::detail::instantiate< \
70 &::boost::concepts::requirement_<ModelFnPtr>::failed> \
71 BOOST_PP_CAT(boost_concept_check,__LINE__)
72
73 }}
74
75 #endif // BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP