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#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
#include <boost/proto/transform/detail/preprocessed/default_function_impl.hpp>
#elif !defined(BOOST_PP_IS_ITERATING)
#define BOOST_PROTO_DEF_FUN_INVOKE_ARG(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_function_impl.hpp")
#endif
///////////////////////////////////////////////////////////////////////////////
/// \file default_function_impl.hpp
/// Contains definition of the default_function_impl, the implementation of the
/// _default transform for function-like nodes.
//
// 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/transform/detail/default_function_impl.hpp>))
#include BOOST_PP_ITERATE()
#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
#endif
#undef BOOST_PROTO_DEF_FUN_INVOKE_ARG
#else
#define N BOOST_PP_ITERATION()
template<typename Grammar, typename Expr, typename State, typename Data>
struct default_function_impl<Grammar, Expr, State, Data, N>
: transform_impl<Expr, State, Data>
{
BOOST_PP_REPEAT(N, BOOST_PROTO_DEFAULT_EVAL_TYPE, Expr)
typedef
typename proto::detail::result_of_fixup<r0>::type
function_type;
typedef
typename BOOST_PROTO_RESULT_OF<
function_type(BOOST_PP_ENUM_SHIFTED_PARAMS(N, r))
>::type
result_type;
result_type operator ()(
typename default_function_impl::expr_param e
, typename default_function_impl::state_param s
, typename default_function_impl::data_param d
) const
{
return this->invoke(e, s, d, is_member_function_pointer<function_type>());
}
private:
result_type invoke(
typename default_function_impl::expr_param e
, typename default_function_impl::state_param s
, typename default_function_impl::data_param d
, mpl::false_
) const
{
return BOOST_PROTO_DEFAULT_EVAL(~, 0, e)(
BOOST_PP_ENUM_SHIFTED(N, BOOST_PROTO_DEFAULT_EVAL, e)
);
}
result_type invoke(
typename default_function_impl::expr_param e
, typename default_function_impl::state_param s
, typename default_function_impl::data_param d
, 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, e))) ->*
BOOST_PROTO_DEFAULT_EVAL(~, 0, e)
)(BOOST_PP_ENUM(BOOST_PP_SUB(N, 2), BOOST_PROTO_DEF_FUN_INVOKE_ARG, e));
}
};
#undef N
#endif
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Swift