You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
82 lines
2.1 KiB
82 lines
2.1 KiB
// Copyright David Abrahams 2006. 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) |
|
#ifndef BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP |
|
# define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP |
|
|
|
# ifdef BOOST_OLD_CONCEPT_SUPPORT |
|
# include <boost/concept_check/has_constraints.hpp> |
|
# include <boost/mpl/if.hpp> |
|
# endif |
|
|
|
|
|
// This implementation works on GCC and Comeau, but has actually been |
|
// fairly carefully tuned to work on GCC versions starting with |
|
// gcc-2.95.x. If you're trying to get an additional compiler to pass |
|
// the tests you might consider breaking out a separate gcc.hpp and |
|
// starting over on the general case. |
|
namespace boost |
|
{ |
|
namespace concept_checking |
|
{ |
|
template <void(*)()> struct instantiate {}; |
|
} |
|
|
|
template <class ModelFn> struct concept_check_; |
|
|
|
template <class Model> |
|
void concept_check_failed() |
|
{ |
|
((Model*)0)->~Model(); |
|
} |
|
|
|
template <class Model> |
|
struct concept_check |
|
{ |
|
concept_checking::instantiate<concept_check_failed<Model> > x; |
|
enum { instantiate = 1 }; |
|
}; |
|
|
|
# ifdef BOOST_OLD_CONCEPT_SUPPORT |
|
|
|
template <class Model> |
|
void constraint_check_failed() |
|
{ |
|
((Model*)0)->constraints(); |
|
} |
|
|
|
template <class Model> |
|
struct constraint_check |
|
{ |
|
concept_checking::instantiate<constraint_check_failed<Model> > x; |
|
enum { instantiate = 1 }; |
|
}; |
|
|
|
template <class Model> |
|
struct concept_check_<void(*)(Model)> |
|
: mpl::if_c< |
|
concept_checking::has_constraints<Model>::value |
|
, constraint_check<Model> |
|
, concept_check<Model> |
|
>::type |
|
{}; |
|
|
|
# else |
|
|
|
template <class Model> |
|
struct concept_check_<void(*)(Model)> |
|
: concept_check<Model> |
|
{}; |
|
|
|
# endif |
|
|
|
// Usage, in class or function context: |
|
// |
|
// BOOST_CONCEPT_ASSERT((UnaryFunctionConcept<F,bool,int>)); |
|
# define BOOST_CONCEPT_ASSERT( ModelInParens ) \ |
|
enum { BOOST_PP_CAT(boost_concept_check,__LINE__) = \ |
|
::boost::concept_check_<void(*) ModelInParens>::instantiate \ |
|
} |
|
} |
|
|
|
#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
|
|
|