diff options
Diffstat (limited to '3rdParty/Boost/src/boost/proto/context/detail/default_eval.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/proto/context/detail/default_eval.hpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/context/detail/default_eval.hpp b/3rdParty/Boost/src/boost/proto/context/detail/default_eval.hpp new file mode 100644 index 0000000..9804276 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/context/detail/default_eval.hpp @@ -0,0 +1,82 @@ +#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) + + #include <boost/proto/context/detail/preprocessed/default_eval.hpp> + +#elif !defined(BOOST_PP_IS_ITERATING) + + #define BOOST_PROTO_DEFAULT_EVAL_SHIFTED(Z, M, DATA) \ + BOOST_PROTO_DEFAULT_EVAL(Z, BOOST_PP_ADD(M, 2), DATA) \ + /**/ + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(preserve: 2, line: 0, output: "preprocessed/default_eval.hpp") + #endif + + /////////////////////////////////////////////////////////////////////////////// + /// \file default_eval.hpp + /// Contains specializations of the default_eval\<\> 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 + + #define BOOST_PP_ITERATION_PARAMS_1 \ + (3, (3, BOOST_PROTO_MAX_ARITY, <boost/proto/context/detail/default_eval.hpp>)) + #include BOOST_PP_ITERATE() + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(output: null) + #endif + + #undef BOOST_PROTO_DEFAULT_EVAL_SHIFTED + +#else + + #define N BOOST_PP_ITERATION() + + template<typename Expr, typename Context> + struct default_eval<Expr, Context, proto::tag::function, N> + { + typedef + typename proto::detail::result_of_fixup< + BOOST_PROTO_DEFAULT_EVAL_TYPE(~, 0, Expr) + >::type + function_type; + + typedef + typename BOOST_PROTO_RESULT_OF< + function_type(BOOST_PP_ENUM_SHIFTED(N, BOOST_PROTO_DEFAULT_EVAL_TYPE, Expr)) + >::type + result_type; + + result_type operator ()(Expr &expr, Context &context) const + { + return this->invoke(expr, context, is_member_function_pointer<function_type>()); + } + + private: + result_type invoke(Expr &expr, Context &context, mpl::false_) const + { + return BOOST_PROTO_DEFAULT_EVAL(~, 0, expr)( + BOOST_PP_ENUM_SHIFTED(N, BOOST_PROTO_DEFAULT_EVAL, expr) + ); + } + + result_type invoke(Expr &expr, Context &context, mpl::true_) const + { + BOOST_PROTO_USE_GET_POINTER(); + typedef typename detail::class_member_traits<function_type>::class_type class_type; + return ( + BOOST_PROTO_GET_POINTER(class_type, (BOOST_PROTO_DEFAULT_EVAL(~, 1, expr))) ->* + BOOST_PROTO_DEFAULT_EVAL(~, 0, expr) + )(BOOST_PP_ENUM(BOOST_PP_SUB(N, 2), BOOST_PROTO_DEFAULT_EVAL_SHIFTED, expr)); + } + }; + + #undef N + +#endif |