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-rw-r--r--boost/proto/transform/detail/call.hpp29
1 files changed, 26 insertions, 3 deletions
diff --git a/boost/proto/transform/detail/call.hpp b/boost/proto/transform/detail/call.hpp
index d0ebca1db9..629f4de95e 100644
--- a/boost/proto/transform/detail/call.hpp
+++ b/boost/proto/transform/detail/call.hpp
@@ -31,11 +31,9 @@
#pragma wave option(preserve: 1)
#endif
- #if BOOST_PROTO_MAX_ARITY > 3
#define BOOST_PP_ITERATION_PARAMS_1 \
- (3, (4, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/call.hpp>))
+ (3, (1, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/call.hpp>))
#include BOOST_PP_ITERATE()
- #endif
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
@@ -48,6 +46,7 @@
#define N BOOST_PP_ITERATION()
+ #if N > 3
/// \brief Call the PolymorphicFunctionObject \c Fun with the
/// current expression, state and data, transformed according
/// to \c A0 through \c AN.
@@ -81,6 +80,30 @@
}
};
};
+ #endif
+
+ #if N > 0
+ /// \brief Call the PolymorphicFunctionObject \c Fun with the
+ /// current expression, state and data, transformed according
+ /// to \c A0 through \c AN.
+ template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
+ struct call<Fun(BOOST_PP_ENUM_PARAMS(N, A)...)> : transform<call<Fun(BOOST_PP_ENUM_PARAMS(N, A)...)> >
+ {
+ template<typename Expr, typename State, typename Data>
+ struct impl
+ : call<
+ typename detail::expand_pattern<
+ proto::arity_of<Expr>::value // BUGBUG this isn't right. Could be pack(_child), should use arity of child!
+ , BOOST_PP_CAT(A, BOOST_PP_DEC(N))
+ , detail::BOOST_PP_CAT(expand_pattern_rest_, BOOST_PP_DEC(N))<
+ Fun
+ BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_DEC(N), A)
+ >
+ >::type
+ >::template impl<Expr, State, Data>
+ {};
+ };
+ #endif
#undef N