51 lines
1.9 KiB
C++
51 lines
1.9 KiB
C++
|
// Copyright satoren
|
||
|
|
// 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)
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "kaguya/config.hpp"
|
||
|
|
|
||
|
|
namespace kaguya {
|
||
|
|
|
||
|
|
template <typename RefTuple, typename GetTuple> struct ref_tuple {
|
||
|
|
RefTuple tref;
|
||
|
|
ref_tuple(const RefTuple &va) : tref(va) {}
|
||
|
|
void operator=(const FunctionResults &fres) {
|
||
|
|
tref = fres.get_result(types::typetag<GetTuple>());
|
||
|
|
}
|
||
|
|
template <class T> void operator=(const T &fres) { tref = fres; }
|
||
|
|
};
|
||
|
|
#if KAGUYA_USE_CPP11
|
||
|
|
template <class... Args>
|
||
|
|
ref_tuple<standard::tuple<Args &...>, standard::tuple<Args...> >
|
||
|
|
tie(Args &... va) {
|
||
|
|
typedef standard::tuple<Args &...> RefTuple;
|
||
|
|
typedef standard::tuple<Args...> GetTuple;
|
||
|
|
return ref_tuple<RefTuple, GetTuple>(RefTuple(va...));
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define KAGUYA_VARIADIC_REFARG_REP(N) KAGUYA_PP_CAT(A, N) & KAGUYA_PP_CAT(a, N)
|
||
|
|
#define KAGUYA_VARIADIC_TREFARG_REP(N) KAGUYA_PP_CAT(A, N) &
|
||
|
|
#define KAGUYA_TEMPLATE_REFARG_REPEAT(N) \
|
||
|
|
KAGUYA_PP_REPEAT_ARG(N, KAGUYA_VARIADIC_TREFARG_REP)
|
||
|
|
#define KAGUYA_REF_TUPLE(N) standard::tuple<KAGUYA_TEMPLATE_REFARG_REPEAT(N)>
|
||
|
|
#define KAGUYA_GET_TUPLE(N) standard::tuple<KAGUYA_PP_TEMPLATE_ARG_REPEAT(N)>
|
||
|
|
#define KAGUYA_REF_TUPLE_DEF(N) \
|
||
|
|
template <KAGUYA_PP_TEMPLATE_DEF_REPEAT(N)> \
|
||
|
|
ref_tuple<KAGUYA_REF_TUPLE(N), KAGUYA_GET_TUPLE(N)> tie( \
|
||
|
|
KAGUYA_PP_REPEAT_ARG(N, KAGUYA_VARIADIC_REFARG_REP)) { \
|
||
|
|
return ref_tuple<KAGUYA_REF_TUPLE(N), KAGUYA_GET_TUPLE(N)>( \
|
||
|
|
KAGUYA_REF_TUPLE(N)(KAGUYA_PP_ARG_REPEAT(N))); \
|
||
|
|
}
|
||
|
|
|
||
|
|
KAGUYA_PP_REPEAT_DEF(KAGUYA_FUNCTION_MAX_TUPLE_SIZE, KAGUYA_REF_TUPLE_DEF)
|
||
|
|
#undef KAGUYA_VARIADIC_REFARG_REP
|
||
|
|
#undef KAGUYA_TEMPLATE_REFARG_REPEAT
|
||
|
|
#undef KAGUYA_REF_TUPLE
|
||
|
|
#undef KAGUYA_GET_TUPLE
|
||
|
|
#undef KAGUYA_REF_TUPLE_DEF
|
||
|
|
#endif
|
||
|
|
}
|