83 lines
3.0 KiB
Plaintext
83 lines
3.0 KiB
Plaintext
|
#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
|