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- #ifndef REFERENT_STORAGE_DWA200278_HPP
- # define REFERENT_STORAGE_DWA200278_HPP
- # include <boost/mpl/if.hpp>
- # include <cstddef>
- namespace boost { namespace python { namespace detail {
- struct alignment_dummy;
- typedef void (*function_ptr)();
- typedef int (alignment_dummy::*member_ptr);
- typedef int (alignment_dummy::*member_function_ptr)();
- # define BOOST_PYTHON_ALIGNER(T, n) \
- typename mpl::if_c< \
- sizeof(T) <= size, T, char>::type t##n
- template <std::size_t size>
- union aligned_storage
- {
- BOOST_PYTHON_ALIGNER(char, 0);
- BOOST_PYTHON_ALIGNER(short, 1);
- BOOST_PYTHON_ALIGNER(int, 2);
- BOOST_PYTHON_ALIGNER(long, 3);
- BOOST_PYTHON_ALIGNER(float, 4);
- BOOST_PYTHON_ALIGNER(double, 5);
- BOOST_PYTHON_ALIGNER(long double, 6);
- BOOST_PYTHON_ALIGNER(void*, 7);
- BOOST_PYTHON_ALIGNER(function_ptr, 8);
- BOOST_PYTHON_ALIGNER(member_ptr, 9);
- BOOST_PYTHON_ALIGNER(member_function_ptr, 10);
- char bytes[size];
- };
- # undef BOOST_PYTHON_ALIGNER
-
-
- template <class T> struct referent_size;
-
-
- template <class T>
- struct referent_size<T&>
- {
- BOOST_STATIC_CONSTANT(
- std::size_t, value = sizeof(T));
- };
- template <class T>
- struct referent_storage
- {
- typedef aligned_storage<
- ::boost::python::detail::referent_size<T>::value
- > type;
- };
- }}}
- #endif
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