#if !defined(BOOST_PP_IS_ITERATING) | |
// Copyright David Abrahams 2001. | |
// 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 MAKE_HOLDER_DWA20011215_HPP | |
# define MAKE_HOLDER_DWA20011215_HPP | |
# include <boost/python/detail/prefix.hpp> | |
# include <boost/python/object/instance.hpp> | |
# include <boost/python/converter/registry.hpp> | |
#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SYGNATURES_PROPER_INIT_SELF_TYPE) | |
# include <boost/python/detail/python_type.hpp> | |
#endif | |
# include <boost/python/object/forward.hpp> | |
# include <boost/python/detail/preprocessor.hpp> | |
# include <boost/mpl/next.hpp> | |
# include <boost/mpl/begin_end.hpp> | |
# include <boost/mpl/deref.hpp> | |
# include <boost/preprocessor/iterate.hpp> | |
# include <boost/preprocessor/iteration/local.hpp> | |
# include <boost/preprocessor/repeat.hpp> | |
# include <boost/preprocessor/debug/line.hpp> | |
# include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp> | |
# include <cstddef> | |
namespace boost { namespace python { namespace objects { | |
template <int nargs> struct make_holder; | |
# define BOOST_PYTHON_DO_FORWARD_ARG(z, index, _) , f##index(a##index) | |
// specializations... | |
# define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/object/make_holder.hpp>)) | |
# include BOOST_PP_ITERATE() | |
# undef BOOST_PYTHON_DO_FORWARD_ARG | |
}}} // namespace boost::python::objects | |
# endif // MAKE_HOLDER_DWA20011215_HPP | |
// For gcc 4.4 compatability, we must include the | |
// BOOST_PP_ITERATION_DEPTH test inside an #else clause. | |
#else // BOOST_PP_IS_ITERATING | |
#if BOOST_PP_ITERATION_DEPTH() == 1 | |
# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \ | |
&& BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201))) | |
# line BOOST_PP_LINE(__LINE__, make_holder.hpp) | |
# endif | |
# define N BOOST_PP_ITERATION() | |
template <> | |
struct make_holder<N> | |
{ | |
template <class Holder, class ArgList> | |
struct apply | |
{ | |
# if N | |
// Unrolled iteration through each argument type in ArgList, | |
// choosing the type that will be forwarded on to the holder's | |
// templated constructor. | |
typedef typename mpl::begin<ArgList>::type iter0; | |
# define BOOST_PP_LOCAL_MACRO(n) \ | |
typedef typename mpl::deref<iter##n>::type t##n; \ | |
typedef typename forward<t##n>::type f##n; \ | |
typedef typename mpl::next<iter##n>::type \ | |
BOOST_PP_CAT(iter,BOOST_PP_INC(n)); // Next iterator type | |
# define BOOST_PP_LOCAL_LIMITS (0, N-1) | |
# include BOOST_PP_LOCAL_ITERATE() | |
# endif | |
static void execute( | |
#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SYGNATURES_PROPER_INIT_SELF_TYPE) | |
boost::python::detail::python_class<BOOST_DEDUCED_TYPENAME Holder::value_type> *p | |
#else | |
PyObject *p | |
#endif | |
BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(1, N, t, a)) | |
{ | |
typedef instance<Holder> instance_t; | |
void* memory = Holder::allocate(p, offsetof(instance_t, storage), sizeof(Holder)); | |
try { | |
(new (memory) Holder( | |
p BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_DO_FORWARD_ARG, nil)))->install(p); | |
} | |
catch(...) { | |
Holder::deallocate(p, memory); | |
throw; | |
} | |
} | |
}; | |
}; | |
# undef N | |
#endif // BOOST_PP_ITERATION_DEPTH() | |
#endif |