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MWERKS bug workaround

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[SVN r14379]
This commit is contained in:
Dave Abrahams
2002-07-09 18:49:09 +00:00
parent 128c0ed5a1
commit 222396759b
1 changed files with 24 additions and 4 deletions
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28
include/boost/python/detail/referent_storage.hpp
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@@ -6,9 +6,6 @@
#ifndef REFERENT_STORAGE_DWA200278_HPP
# define REFERENT_STORAGE_DWA200278_HPP
# include <boost/mpl/select_type.hpp>
# include <boost/preprocessor/list/for_each_i.hpp>
# include <boost/preprocessor/tuple/to_list.hpp>
# include <boost/preprocessor/cat.hpp>
# include <cstddef>
namespace boost { namespace python { namespace detail {
@@ -42,12 +39,35 @@ union aligned_storage
# undef BOOST_PYTHON_ALIGNER
// Compute the size of T's referent. We wouldn't need this at all,
// but sizeof() is broken in CodeWarriors <= 8.0
template <class T> struct referent_size;
# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
template <class T>
struct referent_size<T&>
{
BOOST_STATIC_CONSTANT(
std::size_t, value = sizeof(T));
};
# else
template <class T> struct referent_size
{
static T f();
BOOST_STATIC_CONSTANT(std::size_t, value = sizeof(f()));
};
# endif
// A metafunction returning a POD type which can store U, where T ==
// U&. If T is not a reference type, returns a POD which can store T.
template <class T>
struct referent_storage
{
typedef aligned_storage<sizeof(T)> type;
typedef aligned_storage<referent_size<T>::value> type;
};
}}} // namespace boost::python::detail