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119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
// Copyright Daniel Wallin 2008. Use, modification and distribution is
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// subject to the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if !BOOST_PP_IS_ITERATING
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# ifndef LUABIND_DEDUCE_SIGNATURE_080911_HPP
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# define LUABIND_DEDUCE_SIGNATURE_080911_HPP
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# include <luabind/detail/most_derived.hpp>
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# if LUABIND_MAX_ARITY <= 8
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# include <boost/mpl/vector/vector10.hpp>
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# else
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# include <boost/mpl/vector/vector50.hpp>
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# endif
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/iteration/iterate.hpp>
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# include <boost/preprocessor/repetition/enum_params.hpp>
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namespace luabind { namespace detail {
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namespace mpl = boost::mpl;
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template <class R>
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mpl::vector1<R> deduce_signature(R(*)(), ...)
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{
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return mpl::vector1<R>();
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}
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template <class R, class T>
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mpl::vector2<R,T&> deduce_signature(R(T::*)())
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{
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return mpl::vector2<R,T&>();
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}
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template <class R, class T, class Wrapped>
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mpl::vector2<R,typename most_derived<T,Wrapped>::type&>
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deduce_signature(R(T::*)(), Wrapped*)
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{
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return mpl::vector2<R,typename most_derived<T,Wrapped>::type&>();
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}
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template <class R, class T>
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mpl::vector2<R,T const&> deduce_signature(R(T::*)() const)
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{
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return mpl::vector2<R,T const&>();
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}
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template <class R, class T, class Wrapped>
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mpl::vector2<R,typename most_derived<T,Wrapped>::type const&>
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deduce_signature(R(T::*)() const, Wrapped*)
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{
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return mpl::vector2<R,typename most_derived<T,Wrapped>::type const&>();
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}
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# define BOOST_PP_ITERATION_PARAMS_1 \
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(3, (1, LUABIND_MAX_ARITY, <luabind/detail/deduce_signature.hpp>))
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# include BOOST_PP_ITERATE()
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}} // namespace luabind::detail
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# endif // LUABIND_DEDUCE_SIGNATURE_080911_HPP
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#else // BOOST_PP_IS_ITERATING
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# define N BOOST_PP_ITERATION()
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# define NPLUS1 BOOST_PP_INC(N)
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template <class R, BOOST_PP_ENUM_PARAMS(N,class A)>
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BOOST_PP_CAT(mpl::vector,NPLUS1)<R, BOOST_PP_ENUM_PARAMS(N,A)>
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deduce_signature(R(*)(BOOST_PP_ENUM_PARAMS(N,A)), ...)
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{
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return BOOST_PP_CAT(mpl::vector,NPLUS1)<R,BOOST_PP_ENUM_PARAMS(N,A)>();
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}
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# define NPLUS2 BOOST_PP_INC(NPLUS1)
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template <class R, class T, BOOST_PP_ENUM_PARAMS(N,class A)>
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BOOST_PP_CAT(mpl::vector,NPLUS2)<R, T&, BOOST_PP_ENUM_PARAMS(N,A)>
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deduce_signature(R(T::*)(BOOST_PP_ENUM_PARAMS(N,A)))
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{
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return BOOST_PP_CAT(mpl::vector,NPLUS2)<R,T&,BOOST_PP_ENUM_PARAMS(N,A)>();
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}
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template <class R, class T, BOOST_PP_ENUM_PARAMS(N,class A), class Wrapped>
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BOOST_PP_CAT(mpl::vector,NPLUS2)<
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R, typename most_derived<T,Wrapped>::type&, BOOST_PP_ENUM_PARAMS(N,A)
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>
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deduce_signature(R(T::*)(BOOST_PP_ENUM_PARAMS(N,A)), Wrapped*)
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{
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return BOOST_PP_CAT(mpl::vector,NPLUS2)<
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R,typename most_derived<T,Wrapped>::type&,BOOST_PP_ENUM_PARAMS(N,A)>();
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}
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template <class R, class T, BOOST_PP_ENUM_PARAMS(N,class A)>
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BOOST_PP_CAT(mpl::vector,NPLUS2)<R, T const&, BOOST_PP_ENUM_PARAMS(N,A)>
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deduce_signature(R(T::*)(BOOST_PP_ENUM_PARAMS(N,A)) const)
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{
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return BOOST_PP_CAT(mpl::vector,NPLUS2)<R,T const&,BOOST_PP_ENUM_PARAMS(N,A)>();
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}
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template <class R, class T, BOOST_PP_ENUM_PARAMS(N,class A), class Wrapped>
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BOOST_PP_CAT(mpl::vector,NPLUS2)<
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R, typename most_derived<T,Wrapped>::type const&, BOOST_PP_ENUM_PARAMS(N,A)
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>
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deduce_signature(R(T::*)(BOOST_PP_ENUM_PARAMS(N,A)) const, Wrapped*)
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{
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return BOOST_PP_CAT(mpl::vector,NPLUS2)<
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R,typename most_derived<T,Wrapped>::type const&,BOOST_PP_ENUM_PARAMS(N,A)>();
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}
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# undef NPLUS2
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# undef NPLUS1
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# undef N
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#endif // BOOST_PP_IS_ITERATING
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