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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_CHECK_MSVC_DWA2006429_HPP | |
5 | # define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP | |
6 | ||
7 | # ifdef BOOST_OLD_CONCEPT_SUPPORT | |
8 | # include <boost/concept_check/has_constraints.hpp> | |
92f5a8d4 | 9 | # include <boost/type_traits/conditional.hpp> |
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10 | # endif |
11 | ||
12 | ||
13 | namespace boost | |
14 | { | |
15 | namespace concept_checking | |
16 | { | |
17 | template <class Model> | |
18 | struct concept_check_ | |
19 | { | |
20 | virtual void failed(Model* x) | |
21 | { | |
22 | x->~Model(); | |
23 | } | |
24 | }; | |
25 | } | |
26 | ||
27 | # ifdef BOOST_OLD_CONCEPT_SUPPORT | |
28 | ||
29 | namespace concept_checking | |
30 | { | |
31 | template <class Model> | |
32 | struct constraint_check | |
33 | { | |
34 | virtual void failed(Model* x) | |
35 | { | |
36 | x->constraints(); | |
37 | } | |
38 | }; | |
39 | } | |
40 | ||
41 | template <class Model> | |
42 | struct concept_check | |
92f5a8d4 | 43 | : conditional< |
7c673cae FG |
44 | concept_checking::has_constraints<Model>::value |
45 | , concept_checking::constraint_check<Model> | |
46 | , concept_checking::concept_check_<Model> | |
47 | >::type | |
48 | {}; | |
49 | ||
50 | # else | |
51 | ||
52 | template <class Model> | |
53 | struct concept_check | |
54 | : concept_checking::concept_check_<Model> | |
55 | {}; | |
56 | ||
57 | # endif | |
58 | ||
59 | # if BOOST_WORKAROUND(BOOST_MSVC, == 1310) | |
60 | ||
61 | // | |
62 | // The iterator library sees some really strange errors unless we | |
63 | // use partial specialization to extract the model type with | |
64 | // msvc-7.1 | |
65 | // | |
66 | template <class Model> | |
67 | struct concept_check<void(*)(Model)> | |
68 | : concept_check<Model> | |
69 | { }; | |
70 | ||
71 | # define BOOST_CONCEPT_ASSERT( ModelInParens ) \ | |
72 | enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \ | |
73 | sizeof(::boost::concept_check<void(*) ModelInParens>) \ | |
74 | } | |
75 | ||
76 | # else | |
77 | ||
78 | template <class Model> | |
79 | concept_check<Model> | |
80 | concept_check_(void(*)(Model)); | |
81 | ||
82 | # define BOOST_CONCEPT_ASSERT( ModelInParens ) \ | |
83 | enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \ | |
84 | sizeof(::boost::concept_check_((void(*) ModelInParens)0)) \ | |
85 | } | |
86 | ||
87 | # endif | |
88 | } | |
89 | ||
90 | #endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP |