| #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) |
| |
| #include <boost/proto/detail/preprocessed/make_expr_.hpp> |
| |
| #elif !defined(BOOST_PP_IS_ITERATING) |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(preserve: 2, line: 0, output: "preprocessed/make_expr_.hpp") |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /// \file make_expr_.hpp |
| /// Contains definition of make_expr_\<\> class template. |
| // |
| // 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 |
| |
| template< |
| typename Tag |
| , typename Domain |
| BOOST_PP_ENUM_TRAILING_BINARY_PARAMS( |
| BOOST_PROTO_MAX_ARITY |
| , typename A |
| , = void BOOST_PP_INTERCEPT |
| ) |
| , typename _ = void |
| > |
| struct make_expr_ |
| {}; |
| |
| template<typename Domain, typename A> |
| struct make_expr_<tag::terminal, Domain, A |
| BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PROTO_MAX_ARITY, void BOOST_PP_INTERCEPT)> |
| { |
| typedef typename proto::detail::protoify<A, Domain>::result_type result_type; |
| |
| BOOST_FORCEINLINE |
| result_type operator()(typename add_reference<A>::type a) const |
| { |
| return proto::detail::protoify<A, Domain>()(a); |
| } |
| }; |
| |
| template<typename A> |
| struct make_expr_<tag::terminal, deduce_domain, A |
| BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PROTO_MAX_ARITY, void BOOST_PP_INTERCEPT)> |
| : make_expr_<tag::terminal, default_domain, A> |
| {}; |
| |
| #define BOOST_PP_ITERATION_PARAMS_1 \ |
| (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/make_expr_.hpp>)) |
| #include BOOST_PP_ITERATE() |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(output: null) |
| #endif |
| |
| #else // BOOST_PP_IS_ITERATING |
| |
| #define N BOOST_PP_ITERATION() |
| #define M BOOST_PP_SUB(BOOST_PROTO_MAX_ARITY, N) |
| |
| template<typename Tag, typename Domain BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
| struct make_expr_<Tag, Domain BOOST_PP_ENUM_TRAILING_PARAMS(N, A) |
| BOOST_PP_ENUM_TRAILING_PARAMS(M, void BOOST_PP_INTERCEPT), void> |
| { |
| typedef |
| BOOST_PP_CAT(list, N)< |
| BOOST_PP_ENUM(N, BOOST_PROTO_AS_CHILD_TYPE, (A, ~, Domain)) |
| > |
| proto_args; |
| |
| typedef typename base_expr<Domain, Tag, proto_args>::type expr_type; |
| typedef typename Domain::proto_generator proto_generator; |
| typedef typename proto_generator::template result<proto_generator(expr_type)>::type result_type; |
| |
| BOOST_FORCEINLINE |
| result_type operator()(BOOST_PP_ENUM_BINARY_PARAMS(N, typename add_reference<A, >::type a)) const |
| { |
| expr_type const that = { |
| BOOST_PP_ENUM(N, BOOST_PROTO_AS_CHILD, (A, a, Domain)) |
| }; |
| return proto_generator()(that); |
| } |
| }; |
| |
| template<typename Tag BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)> |
| struct make_expr_<Tag, deduce_domain BOOST_PP_ENUM_TRAILING_PARAMS(N, A) |
| BOOST_PP_ENUM_TRAILING_PARAMS(M, void BOOST_PP_INTERCEPT), void> |
| : make_expr_< |
| Tag |
| , typename BOOST_PP_CAT(deduce_domain, N)<BOOST_PP_ENUM_PARAMS(N, A)>::type |
| BOOST_PP_ENUM_TRAILING_PARAMS(N, A) |
| > |
| {}; |
| |
| #undef N |
| #undef M |
| |
| #endif |