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114 lines
2.5 KiB
114 lines
2.5 KiB
// Copyright David Abrahams 2006. Distributed under the Boost |
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// Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP |
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# define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP |
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# include <boost/preprocessor/cat.hpp> |
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# include <boost/concept/detail/backward_compatibility.hpp> |
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# ifdef BOOST_OLD_CONCEPT_SUPPORT |
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# include <boost/concept/detail/has_constraints.hpp> |
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# include <boost/mpl/if.hpp> |
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# endif |
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namespace boost { namespace concepts { |
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template <class Model> |
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struct check |
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{ |
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virtual void failed(Model* x) |
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{ |
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x->~Model(); |
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} |
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}; |
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# ifndef BOOST_NO_PARTIAL_SPECIALIZATION |
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struct failed {}; |
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template <class Model> |
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struct check<failed ************ Model::************> |
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{ |
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virtual void failed(Model* x) |
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{ |
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x->~Model(); |
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} |
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}; |
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# endif |
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# ifdef BOOST_OLD_CONCEPT_SUPPORT |
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namespace detail |
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{ |
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// No need for a virtual function here, since evaluating |
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// not_satisfied below will have already instantiated the |
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// constraints() member. |
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struct constraint {}; |
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} |
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template <class Model> |
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struct require |
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: mpl::if_c< |
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not_satisfied<Model>::value |
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, detail::constraint |
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# ifndef BOOST_NO_PARTIAL_SPECIALIZATION |
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, check<Model> |
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# else |
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, check<failed ************ Model::************> |
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# endif |
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>::type |
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{}; |
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# else |
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template <class Model> |
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struct require |
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# ifndef BOOST_NO_PARTIAL_SPECIALIZATION |
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: check<Model> |
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# else |
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: check<failed ************ Model::************> |
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# endif |
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{}; |
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# endif |
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# if BOOST_WORKAROUND(BOOST_MSVC, == 1310) |
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// |
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// The iterator library sees some really strange errors unless we |
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// do things this way. |
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// |
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template <class Model> |
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struct require<void(*)(Model)> |
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{ |
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virtual void failed(Model*) |
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{ |
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require<Model>(); |
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} |
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}; |
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# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \ |
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enum \ |
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{ \ |
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BOOST_PP_CAT(boost_concept_check,__LINE__) = \ |
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sizeof(::boost::concepts::require<ModelFnPtr>) \ |
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} |
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# else // Not vc-7.1 |
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template <class Model> |
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require<Model> |
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require_(void(*)(Model)); |
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# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \ |
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enum \ |
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{ \ |
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BOOST_PP_CAT(boost_concept_check,__LINE__) = \ |
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sizeof(::boost::concepts::require_((ModelFnPtr)0)) \ |
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} |
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# endif |
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}} |
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#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
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