summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
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.hpp54
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