| #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) |
| |
| #include <boost/proto/detail/preprocessed/args.hpp> |
| |
| #elif !defined(BOOST_PP_IS_ITERATING) |
| |
| /// INTERNAL ONLY |
| /// |
| #define BOOST_PROTO_DEFINE_CHILD_N(Z, N, DATA) \ |
| typedef BOOST_PP_CAT(Arg, N) BOOST_PP_CAT(child, N); \ |
| /**< INTERNAL ONLY */ |
| |
| /// INTERNAL ONLY |
| /// |
| #define BOOST_PROTO_DEFINE_VOID_N(z, n, data) \ |
| typedef mpl::void_ BOOST_PP_CAT(child, n); \ |
| /**< INTERNAL ONLY */ |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(preserve: 2, line: 0, output: "preprocessed/args.hpp") |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| /// \file args.hpp |
| /// Contains definition of \c term\<\>, \c list1\<\>, \c list2\<\>, ... |
| /// class templates. |
| // |
| // 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 |
| |
| /// \brief A type sequence, for use as the 2nd parameter to the \c expr\<\> class template. |
| /// |
| /// A type sequence, for use as the 2nd parameter to the \c expr\<\> class template. |
| /// The types in the sequence correspond to the children of a node in an expression tree. |
| template< typename Arg0 > |
| struct term |
| { |
| static const long arity = 0; |
| typedef Arg0 child0; |
| BOOST_PP_REPEAT_FROM_TO(1, BOOST_PROTO_MAX_ARITY, BOOST_PROTO_DEFINE_VOID_N, ~) |
| |
| /// INTERNAL ONLY |
| /// |
| typedef Arg0 back_; |
| }; |
| |
| #define BOOST_PP_ITERATION_PARAMS_1 \ |
| (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/detail/args.hpp>)) |
| #include BOOST_PP_ITERATE() |
| |
| #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) |
| #pragma wave option(output: null) |
| #endif |
| |
| #undef BOOST_PROTO_DEFINE_VOID_N |
| #undef BOOST_PROTO_DEFINE_CHILD_N |
| |
| #else |
| |
| #define N BOOST_PP_ITERATION() |
| |
| /// \brief A type sequence, for use as the 2nd parameter to the \c expr\<\> class template. |
| /// |
| /// A type sequence, for use as the 2nd parameter to the \c expr\<\> class template. |
| /// The types in the sequence correspond to the children of a node in an expression tree. |
| template< BOOST_PP_ENUM_PARAMS(N, typename Arg) > |
| struct BOOST_PP_CAT(list, N) |
| { |
| static const long arity = N; |
| BOOST_PP_REPEAT(N, BOOST_PROTO_DEFINE_CHILD_N, ~) |
| BOOST_PP_REPEAT_FROM_TO(N, BOOST_PROTO_MAX_ARITY, BOOST_PROTO_DEFINE_VOID_N, ~) |
| |
| /// INTERNAL ONLY |
| /// |
| typedef BOOST_PP_CAT(Arg, BOOST_PP_DEC(N)) back_; |
| }; |
| |
| #undef N |
| |
| #endif |