diff options
Diffstat (limited to '3rdParty/Boost/src/boost/proto/transform/detail/pass_through_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/proto/transform/detail/pass_through_impl.hpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/transform/detail/pass_through_impl.hpp b/3rdParty/Boost/src/boost/proto/transform/detail/pass_through_impl.hpp new file mode 100644 index 0000000..03ac568 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/transform/detail/pass_through_impl.hpp @@ -0,0 +1,104 @@ +#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) + + #include <boost/proto/transform/detail/preprocessed/pass_through_impl.hpp> + +#elif !defined(BOOST_PP_IS_ITERATING) + + #define BOOST_PROTO_DEFINE_TRANSFORM_TYPE(Z, N, DATA) \ + typename Grammar::BOOST_PP_CAT(proto_child, N)::template impl< \ + typename result_of::child_c<Expr, N>::type \ + , State \ + , Data \ + >::result_type \ + /**/ + + #define BOOST_PROTO_DEFINE_TRANSFORM(Z, N, DATA) \ + typename Grammar::BOOST_PP_CAT(proto_child, N)::template impl< \ + typename result_of::child_c<Expr, N>::type \ + , State \ + , Data \ + >()( \ + e.proto_base().BOOST_PP_CAT(child, N), s, d \ + ) \ + /**/ + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(preserve: 2, line: 0, output: "preprocessed/pass_through_impl.hpp") + #endif + + /////////////////////////////////////////////////////////////////////////////// + /// \file pass_through_impl.hpp + /// + /// Specializations of pass_through_impl, used in the implementation of the + /// pass_through 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/pass_through_impl.hpp>)) + #include BOOST_PP_ITERATE() + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(output: null) + #endif + + #undef BOOST_PROTO_DEFINE_TRANSFORM + #undef BOOST_PROTO_DEFINE_TRANSFORM_TYPE + +#else + + #define N BOOST_PP_ITERATION() + + template<typename Grammar, typename Domain, typename Expr, typename State, typename Data> + struct pass_through_impl<Grammar, Domain, Expr, State, Data, N> + : transform_impl<Expr, State, Data> + { + typedef typename pass_through_impl::expr unref_expr; + typedef + typename mpl::if_c< + is_same<Domain, deduce_domain>::value + , typename unref_expr::proto_domain + , Domain + >::type + result_domain; + + typedef + typename base_expr< + result_domain + , typename unref_expr::proto_tag + , BOOST_PP_CAT(list, N)< + BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_TRANSFORM_TYPE, ~) + > + >::type + expr_type; + + typedef typename result_domain::proto_generator proto_generator; + typedef typename BOOST_PROTO_RESULT_OF<proto_generator(expr_type)>::type result_type; + + BOOST_FORCEINLINE + BOOST_PROTO_RETURN_TYPE_STRICT_LOOSE(result_type, result_type const) + operator ()( + typename pass_through_impl::expr_param e + , typename pass_through_impl::state_param s + , typename pass_through_impl::data_param d + ) const + { + expr_type const that = { + BOOST_PP_ENUM(N, BOOST_PROTO_DEFINE_TRANSFORM, ~) + }; + // Without this, MSVC complains that "that" is uninitialized, + // and it actually triggers a runtime check in debug mode when + // built with VC8. + detail::ignore_unused(&that); + return proto_generator()(that); + } + }; + + #undef N + +#endif |