diff options
Diffstat (limited to '3rdParty/Boost/src/boost/proto/context/detail/null_eval.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/proto/context/detail/null_eval.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/context/detail/null_eval.hpp b/3rdParty/Boost/src/boost/proto/context/detail/null_eval.hpp new file mode 100644 index 0000000..dcf0077 --- /dev/null +++ b/3rdParty/Boost/src/boost/proto/context/detail/null_eval.hpp @@ -0,0 +1,54 @@ +#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) + + #include <boost/proto/context/detail/preprocessed/null_eval.hpp> + +#elif !defined(BOOST_PP_IS_ITERATING) + + #define BOOST_PROTO_EVAL_N(Z, N, DATA) \ + proto::eval(proto::child_c<N>(expr), ctx); \ + /**/ + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(preserve: 2, line: 0, output: "preprocessed/null_eval.hpp") + #endif + + /////////////////////////////////////////////////////////////////////////////// + /// \file null_eval.hpp + /// Contains specializations of the null_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, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/context/detail/null_eval.hpp>)) + #include BOOST_PP_ITERATE() + + #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) + #pragma wave option(output: null) + #endif + + #undef BOOST_PROTO_EVAL_N + +#else + + #define N BOOST_PP_ITERATION() + + template<typename Expr, typename Context> + struct null_eval<Expr, Context, N> + { + typedef void result_type; + + void operator ()(Expr &expr, Context &ctx) const + { + BOOST_PP_REPEAT(N, BOOST_PROTO_EVAL_N, ~) + } + }; + + #undef N + +#endif |