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Diffstat (limited to 'boost/phoenix/core/detail/cpp03/expression.hpp')
| -rw-r--r-- | boost/phoenix/core/detail/cpp03/expression.hpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/boost/phoenix/core/detail/cpp03/expression.hpp b/boost/phoenix/core/detail/cpp03/expression.hpp new file mode 100644 index 0000000000..0c4a836427 --- /dev/null +++ b/boost/phoenix/core/detail/cpp03/expression.hpp @@ -0,0 +1,111 @@ + +#if !BOOST_PHOENIX_IS_ITERATING + +#include <boost/phoenix/support/iterate.hpp> +#include <boost/preprocessor/comparison/equal.hpp> + +#if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES) + +#include <boost/phoenix/core/detail/cpp03/preprocessed/expression.hpp> + +#else + +#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES) +#pragma wave option(preserve: 2, line: 0, output: "preprocessed/expression_" BOOST_PHOENIX_LIMIT_STR ".hpp") +#endif + +/*============================================================================= + Copyright (c) 2005-2010 Joel de Guzman + Copyright (c) 2010 Eric Niebler + Copyright (c) 2010 Thomas Heller + + 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_PHOENIX_CREATE_PREPROCESSED_FILES) +#pragma wave option(preserve: 1) +#endif + + template < + template <typename> class Actor + , typename Tag + , BOOST_PHOENIX_typename_A_void(BOOST_PHOENIX_COMPOSITE_LIMIT) + , typename Dummy = void> + struct expr_ext; + + template < + typename Tag + , BOOST_PHOENIX_typename_A_void(BOOST_PHOENIX_COMPOSITE_LIMIT) + , typename Dummy = void + > + struct expr : expr_ext<actor, Tag, BOOST_PHOENIX_A(BOOST_PHOENIX_COMPOSITE_LIMIT)> {}; + +#define M0(Z, N, D) \ + BOOST_PP_COMMA_IF(N) \ + typename proto::detail::uncvref<typename call_traits<BOOST_PP_CAT(A, N)>::value_type>::type + +#define M1(Z, N, D) \ + BOOST_PP_COMMA_IF(N) typename call_traits<BOOST_PP_CAT(A, N)>::param_type BOOST_PP_CAT(a, N) + +#define BOOST_PHOENIX_ITERATION_PARAMS \ + (3, (1, BOOST_PHOENIX_COMPOSITE_LIMIT, \ + <boost/phoenix/core/detail/cpp03/expression.hpp>)) \ +/**/ + #include BOOST_PHOENIX_ITERATE() + +#undef M0 +#undef M1 + +#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES) +#pragma wave option(output: null) +#endif + +#endif // PHOENIX_DONT_USE_PREPROCESSED_FILES + +#else + template <template <typename> class Actor, typename Tag, BOOST_PHOENIX_typename_A> + struct expr_ext<Actor, Tag, BOOST_PHOENIX_A> + : proto::transform<expr_ext<Actor, Tag, BOOST_PHOENIX_A>, int> + { + typedef + typename proto::result_of::make_expr< + Tag + , phoenix_default_domain //proto::basic_default_domain + , BOOST_PP_REPEAT(BOOST_PHOENIX_ITERATION, M0, _) + >::type + base_type; + + typedef Actor<base_type> type; + + typedef + typename proto::nary_expr<Tag, BOOST_PHOENIX_A>::proto_grammar + proto_grammar; + + static type make(BOOST_PP_REPEAT(BOOST_PHOENIX_ITERATION, M1, _)) + { //?? actor or Actor?? + //Actor<base_type> const e = + actor<base_type> const e = + { + proto::make_expr< + Tag + , phoenix_default_domain // proto::basic_default_domain + >(BOOST_PHOENIX_a) + }; + return e; + } + + template<typename Expr, typename State, typename Data> + struct impl + : proto::pass_through<expr_ext>::template impl<Expr, State, Data> + {}; + + typedef Tag proto_tag; + #define BOOST_PHOENIX_ENUM_CHILDREN(_, N, __) \ + typedef BOOST_PP_CAT(A, N) BOOST_PP_CAT(proto_child, N); \ + /**/ + BOOST_PP_REPEAT(BOOST_PHOENIX_ITERATION, BOOST_PHOENIX_ENUM_CHILDREN, _) + #undef BOOST_PHOENIX_ENUM_CHILDREN + }; + +#endif |