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109 lines
3.4 KiB
109 lines
3.4 KiB
#if !defined(BOOST_PP_IS_ITERATING) |
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// Copyright David Abrahams 2001. |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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# ifndef MAKE_HOLDER_DWA20011215_HPP |
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# define MAKE_HOLDER_DWA20011215_HPP |
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# include <boost/python/detail/prefix.hpp> |
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# include <boost/python/object/instance.hpp> |
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# include <boost/python/converter/registry.hpp> |
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#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE) |
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# include <boost/python/detail/python_type.hpp> |
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#endif |
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# include <boost/python/object/forward.hpp> |
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# include <boost/python/detail/preprocessor.hpp> |
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# include <boost/mpl/next.hpp> |
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# include <boost/mpl/begin_end.hpp> |
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# include <boost/mpl/deref.hpp> |
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# include <boost/preprocessor/iterate.hpp> |
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# include <boost/preprocessor/iteration/local.hpp> |
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# include <boost/preprocessor/repeat.hpp> |
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# include <boost/preprocessor/debug/line.hpp> |
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# include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp> |
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# include <cstddef> |
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namespace boost { namespace python { namespace objects { |
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template <int nargs> struct make_holder; |
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# define BOOST_PYTHON_DO_FORWARD_ARG(z, index, _) , f##index(a##index) |
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// specializations... |
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# define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/object/make_holder.hpp>)) |
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# include BOOST_PP_ITERATE() |
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# undef BOOST_PYTHON_DO_FORWARD_ARG |
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}}} // namespace boost::python::objects |
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# endif // MAKE_HOLDER_DWA20011215_HPP |
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// For gcc 4.4 compatability, we must include the |
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// BOOST_PP_ITERATION_DEPTH test inside an #else clause. |
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#else // BOOST_PP_IS_ITERATING |
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#if BOOST_PP_ITERATION_DEPTH() == 1 |
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# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \ |
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&& BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201))) |
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# line BOOST_PP_LINE(__LINE__, make_holder.hpp) |
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# endif |
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# define N BOOST_PP_ITERATION() |
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template <> |
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struct make_holder<N> |
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{ |
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template <class Holder, class ArgList> |
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struct apply |
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{ |
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# if N |
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// Unrolled iteration through each argument type in ArgList, |
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// choosing the type that will be forwarded on to the holder's |
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// templated constructor. |
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typedef typename mpl::begin<ArgList>::type iter0; |
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# define BOOST_PP_LOCAL_MACRO(n) \ |
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typedef typename mpl::deref<iter##n>::type t##n; \ |
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typedef typename forward<t##n>::type f##n; \ |
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typedef typename mpl::next<iter##n>::type \ |
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BOOST_PP_CAT(iter,BOOST_PP_INC(n)); // Next iterator type |
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# define BOOST_PP_LOCAL_LIMITS (0, N-1) |
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# include BOOST_PP_LOCAL_ITERATE() |
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# endif |
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static void execute( |
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#if !defined( BOOST_PYTHON_NO_PY_SIGNATURES) && defined( BOOST_PYTHON_PY_SIGNATURES_PROPER_INIT_SELF_TYPE) |
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boost::python::detail::python_class<BOOST_DEDUCED_TYPENAME Holder::value_type> *p |
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#else |
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PyObject *p |
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#endif |
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS_Z(1, N, t, a)) |
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{ |
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typedef instance<Holder> instance_t; |
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void* memory = Holder::allocate(p, offsetof(instance_t, storage), sizeof(Holder)); |
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try { |
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(new (memory) Holder( |
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p BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_DO_FORWARD_ARG, nil)))->install(p); |
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} |
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catch(...) { |
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Holder::deallocate(p, memory); |
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throw; |
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} |
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} |
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}; |
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}; |
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# undef N |
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#endif // BOOST_PP_ITERATION_DEPTH() |
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#endif
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