87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
#if !defined(BOOST_PP_IS_ITERATING)
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// Copyright David Abrahams 2002.
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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 TARGET_DWA2002521_HPP
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# define TARGET_DWA2002521_HPP
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# include <boost/python/detail/preprocessor.hpp>
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# include <boost/type.hpp>
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# include <boost/preprocessor/comma_if.hpp>
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# include <boost/preprocessor/if.hpp>
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# include <boost/preprocessor/iterate.hpp>
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# include <boost/preprocessor/debug/line.hpp>
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# include <boost/preprocessor/enum_params.hpp>
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# include <boost/preprocessor/repetition/enum_trailing_params.hpp>
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namespace boost { namespace python { namespace detail {
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# define BOOST_PP_ITERATION_PARAMS_1 \
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(4, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>, BOOST_PYTHON_FUNCTION_POINTER))
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# include BOOST_PP_ITERATE()
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# define BOOST_PP_ITERATION_PARAMS_1 \
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(4, (0, BOOST_PYTHON_CV_COUNT - 1, <boost/python/detail/target.hpp>, BOOST_PYTHON_POINTER_TO_MEMBER))
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# include BOOST_PP_ITERATE()
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template <class R, class T>
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T& (* target(R (T::*)) )() { return 0; }
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}}} // namespace boost::python::detail
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# endif // TARGET_DWA2002521_HPP
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/* --------------- function pointers --------------- */
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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 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
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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__, target.hpp(function_pointers))
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# endif
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# define N BOOST_PP_ITERATION()
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template <class R BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
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BOOST_PP_IF(N, A0, void)(* target(R (*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A))) )()
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{
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return 0;
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}
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# undef N
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/* --------------- pointers-to-members --------------- */
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#elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_POINTER_TO_MEMBER
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// Outer over cv-qualifiers
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# define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/target.hpp>))
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# include BOOST_PP_ITERATE()
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#elif BOOST_PP_ITERATION_DEPTH() == 2
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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__, target.hpp(pointers-to-members))
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# endif
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// Inner over arities
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# define N BOOST_PP_ITERATION()
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# define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_RELATIVE_ITERATION(1))
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template <class R, class T BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
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T& (* target(R (T::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)) Q) )()
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{
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return 0;
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}
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# undef N
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# undef Q
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#endif // BOOST_PP_ITERATION_DEPTH()
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#endif
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