Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/proto/transform/detail/call.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/proto/transform/detail/call.hpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/transform/detail/call.hpp b/3rdParty/Boost/src/boost/proto/transform/detail/call.hpp new file mode 100644 index 0000000..629f4de --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/transform/detail/call.hpp @@ -0,0 +1,110 @@ +#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) + + #include <boost/proto/transform/detail/preprocessed/call.hpp> + +#elif !defined(BOOST_PP_IS_ITERATING) + + #define BOOST_PROTO_NTH_RESULT_TYPE(Z, M, DATA) \ + typedef \ + typename when<_, BOOST_PP_CAT(A, M)>::template impl<Expr, State, Data> \ + BOOST_PP_CAT(a, M); \ + typedef typename BOOST_PP_CAT(a, M)::result_type BOOST_PP_CAT(b, M); \ + /**/ + + #define BOOST_PROTO_NTH_RESULT(Z, M, DATA) \ + detail::as_lvalue(BOOST_PP_CAT(a, M)()(e, s, d)) \ + /**/ + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(preserve: 2, line: 0, output: "preprocessed/call.hpp") + #endif + + /////////////////////////////////////////////////////////////////////////////// + /// \file call.hpp + /// Contains definition of the call<> transform. + // + // Copyright 2008 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) + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(preserve: 1) + #endif + + #define BOOST_PP_ITERATION_PARAMS_1 \ + (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/call.hpp>)) + #include BOOST_PP_ITERATE() + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(output: null) + #endif + + #undef BOOST_PROTO_NTH_RESULT + #undef BOOST_PROTO_NTH_RESULT_TYPE + +#else + + #define N BOOST_PP_ITERATION() + + #if N > 3 + /// \brief Call the PolymorphicFunctionObject \c Fun with the + /// current expression, state and data, transformed according + /// to \c A0 through \c AN. + template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> + struct call<Fun(BOOST_PP_ENUM_PARAMS(N, A))> : transform<call<Fun(BOOST_PP_ENUM_PARAMS(N, A))> > + { + template<typename Expr, typename State, typename Data> + struct impl : transform_impl<Expr, State, Data> + { + BOOST_PP_REPEAT(N, BOOST_PROTO_NTH_RESULT_TYPE, ~) + + typedef detail::poly_function_traits<Fun, Fun(BOOST_PP_ENUM_PARAMS(N, b))> function_traits; + typedef typename function_traits::result_type result_type; + + /// Let \c ax be <tt>when\<_, Ax\>()(e, s, d)</tt> + /// for each \c x in <tt>[0,N]</tt>. + /// Return <tt>Fun()(a0, a1,... aN)</tt>. + /// + /// \param e The current expression + /// \param s The current state + /// \param d An arbitrary data + BOOST_FORCEINLINE + result_type operator ()( + typename impl::expr_param e + , typename impl::state_param s + , typename impl::data_param d + ) const + { + typedef typename function_traits::function_type function_type; + return function_type()(BOOST_PP_ENUM(N, BOOST_PROTO_NTH_RESULT, ~)); + } + }; + }; + #endif + + #if N > 0 + /// \brief Call the PolymorphicFunctionObject \c Fun with the + /// current expression, state and data, transformed according + /// to \c A0 through \c AN. + template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> + struct call<Fun(BOOST_PP_ENUM_PARAMS(N, A)...)> : transform<call<Fun(BOOST_PP_ENUM_PARAMS(N, A)...)> > + { + template<typename Expr, typename State, typename Data> + struct impl + : call< + typename detail::expand_pattern< + proto::arity_of<Expr>::value // BUGBUG this isn't right. Could be pack(_child), should use arity of child! + , BOOST_PP_CAT(A, BOOST_PP_DEC(N)) + , detail::BOOST_PP_CAT(expand_pattern_rest_, BOOST_PP_DEC(N))< + Fun + BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_DEC(N), A) + > + >::type + >::template impl<Expr, State, Data> + {}; + }; + #endif + + #undef N + +#endif |