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Removed use of typeid in typeof implementation for VC7.1, as this caused problems in some uses of BOOST_TYPEOF

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[SVN r51681]
This commit is contained in:
Peder Holt 2009-03-10 09:33:21 +00:00
parent 4c9b8ba961
commit c10804f3b0
1 changed files with 0 additions and 52 deletions
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52
include/boost/typeof/msvc/typeof_impl.hpp Executable file → Normal file
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@ -153,58 +153,7 @@ namespace boost
};
};
# endif
# if BOOST_WORKAROUND(BOOST_MSVC,==1310)
template<const std::type_info& ref_type_info>
struct msvc_typeid_wrapper {
typedef typename msvc_extract_type<msvc_typeid_wrapper>::id2type id2type;
typedef typename id2type::type wrapped_type;
typedef typename wrapped_type::type type;
};
//This class is used for registering the type T. encode_type<T> is mapped against typeid(encode_type<T>).
//msvc_typeid_wrapper<typeid(encode_type<T>)> will now have a type typedef that equals encode_type<T>.
template<typename T>
struct encode_type
{
typedef encode_type<T> input_type;
//Invoke registration of encode_type<T>. typeid(encode_type<T>) is now mapped to encode_type<T>. Do not use registered_type for anything.
//The reason for registering encode_type<T> rather than T, is that VC handles typeid(function reference) poorly. By adding another
//level of indirection, we solve this problem.
typedef typename msvc_register_type<input_type,msvc_typeid_wrapper<typeid(input_type)> >::id2type registered_type;
typedef T type;
};
template<typename T> typename disable_if<
typename is_function<T>::type,
typename encode_type<T>::input_type>::type encode_start(T const&);
template<typename T> typename enable_if<
typename is_function<T>::type,
typename encode_type<T>::input_type>::type encode_start(T&);
template<typename Organizer, typename T>
msvc_register_type<T,Organizer> typeof_register_type(const T&);
# define BOOST_TYPEOF(expr) \
boost::type_of::msvc_typeid_wrapper<typeid(boost::type_of::encode_start(expr))>::type
# define BOOST_TYPEOF_TPL(expr) typename BOOST_TYPEOF(expr)
# define BOOST_TYPEOF_NESTED_TYPEDEF_TPL(name,expr) \
struct name {\
enum {_typeof_register_value=sizeof(typeid(boost::type_of::typeof_register_type<name>(expr)))};\
typedef typename boost::type_of::msvc_extract_type<name>::id2type id2type;\
typedef typename id2type::type type;\
};
# define BOOST_TYPEOF_NESTED_TYPEDEF(name,expr) \
struct name {\
enum {_typeof_register_value=sizeof(typeid(boost::type_of::typeof_register_type<name>(expr)))};\
typedef boost::type_of::msvc_extract_type<name>::id2type id2type;\
typedef id2type::type type;\
};
# else
template<int ID>
struct msvc_typeid_wrapper {
typedef typename msvc_extract_type<mpl::int_<ID> >::id2type id2type;
@ -274,7 +223,6 @@ struct name {\
typedef id2type::type type;\
};
#endif
}
}