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Diffstat (limited to '3rdParty/Boost/src/boost/proto/detail/template_arity.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/proto/detail/template_arity.hpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/detail/template_arity.hpp b/3rdParty/Boost/src/boost/proto/detail/template_arity.hpp new file mode 100644 index 0000000..b39f7d5 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/detail/template_arity.hpp @@ -0,0 +1,67 @@ +/////////////////////////////////////////////////////////////////////////////// +/// \file template_arity.hpp +/// Replace all nodes stored by reference by nodes stored by value. +// +// Copyright 2011 Eric Niebler. 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) +// +// This file is based on a similar one in MPL from Aleksey Gurtovoy. + +#ifndef BOOST_PROTO_DETAIL_TEMPLATE_ARITY_HPP_EAN_2011_05_07 +#define BOOST_PROTO_DETAIL_TEMPLATE_ARITY_HPP_EAN_2011_05_07 + +// Somewhat indirect definition of BOOST_PROTO_TEMPLATE_ARITY_PARAM is +// to overcome a shortcoming of the Wave tool used to generate the +// pre-preprocessed headers. +#define BOOST_PROTO_TEMPLATE_ARITY_PARAM BOOST_PROTO_TEMPLATE_ARITY_PARAM2 +#define BOOST_PROTO_TEMPLATE_ARITY_PARAM2(param) + +#if defined(BOOST_PROTO_EXTENDED_TEMPLATE_PARAMETERS_MATCHING) || \ + (defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)) + +#include <boost/preprocessor/cat.hpp> +#include <boost/preprocessor/inc.hpp> +#include <boost/preprocessor/iteration/iterate.hpp> +#include <boost/preprocessor/repetition/enum_params.hpp> +#include <boost/mpl/int.hpp> +#include <boost/proto/proto_fwd.hpp> + +#undef BOOST_PROTO_TEMPLATE_ARITY_PARAM2 +#define BOOST_PROTO_TEMPLATE_ARITY_PARAM2(param) , param + +namespace boost { namespace proto { namespace detail +{ + sized_type<1>::type template_arity_helper(...); + + // Other overloads generated by the preprocessor + #include <boost/proto/detail/template_arity_helper.hpp> + + template<typename F, int N, int Size> + struct template_arity_impl2 + : mpl::int_<Size - 1> + {}; + + template<typename F, int N = BOOST_PROTO_MAX_ARITY> + struct template_arity + : template_arity_impl2< + F + , N + , sizeof(detail::template_arity_helper((F **)0, (mpl::int_<N> *)0)) + > + {}; + + template<typename F, int N> + struct template_arity_impl2<F, N, 1> + : template_arity<F, N-1> + {}; + + template<typename F> + struct template_arity_impl2<F, 0, 1> + : mpl::int_<-1> + {}; + +}}} + +#endif // BOOST_PROTO_EXTENDED_TEMPLATE_PARAMETERS_MATCHING +#endif // BOOST_PROTO_DETAIL_TEMPLATE_ARITY_HPP_EAN_2011_05_07 |