mirror of
https://gitlab.com/suyu-emu/suyu.git
synced 2024-03-15 23:15:44 +00:00
264 lines
7.2 KiB
C++
Executable file
264 lines
7.2 KiB
C++
Executable file
#ifndef BOOST_MP11_UTILITY_HPP_INCLUDED
|
|
#define BOOST_MP11_UTILITY_HPP_INCLUDED
|
|
|
|
// Copyright 2015-2020 Peter Dimov.
|
|
//
|
|
// 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
|
|
|
|
#include <boost/mp11/integral.hpp>
|
|
#include <boost/mp11/detail/mp_list.hpp>
|
|
#include <boost/mp11/detail/mp_fold.hpp>
|
|
#include <boost/mp11/detail/mp_front.hpp>
|
|
#include <boost/mp11/detail/mp_rename.hpp>
|
|
#include <boost/mp11/detail/config.hpp>
|
|
|
|
namespace boost
|
|
{
|
|
namespace mp11
|
|
{
|
|
|
|
// mp_identity
|
|
template<class T> struct mp_identity
|
|
{
|
|
using type = T;
|
|
};
|
|
|
|
// mp_identity_t
|
|
template<class T> using mp_identity_t = typename mp_identity<T>::type;
|
|
|
|
// mp_inherit
|
|
template<class... T> struct mp_inherit: T... {};
|
|
|
|
// mp_if, mp_if_c
|
|
namespace detail
|
|
{
|
|
|
|
template<bool C, class T, class... E> struct mp_if_c_impl
|
|
{
|
|
};
|
|
|
|
template<class T, class... E> struct mp_if_c_impl<true, T, E...>
|
|
{
|
|
using type = T;
|
|
};
|
|
|
|
template<class T, class E> struct mp_if_c_impl<false, T, E>
|
|
{
|
|
using type = E;
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
template<bool C, class T, class... E> using mp_if_c = typename detail::mp_if_c_impl<C, T, E...>::type;
|
|
template<class C, class T, class... E> using mp_if = typename detail::mp_if_c_impl<static_cast<bool>(C::value), T, E...>::type;
|
|
|
|
// mp_valid
|
|
|
|
#if BOOST_MP11_WORKAROUND( BOOST_MP11_INTEL, != 0 ) // tested at 1800
|
|
|
|
// contributed by Roland Schulz in https://github.com/boostorg/mp11/issues/17
|
|
|
|
namespace detail
|
|
{
|
|
|
|
template<class...> using void_t = void;
|
|
|
|
template<class, template<class...> class F, class... T>
|
|
struct mp_valid_impl: mp_false {};
|
|
|
|
template<template<class...> class F, class... T>
|
|
struct mp_valid_impl<void_t<F<T...>>, F, T...>: mp_true {};
|
|
|
|
} // namespace detail
|
|
|
|
template<template<class...> class F, class... T> using mp_valid = typename detail::mp_valid_impl<void, F, T...>;
|
|
|
|
#else
|
|
|
|
// implementation by Bruno Dutra (by the name is_evaluable)
|
|
namespace detail
|
|
{
|
|
|
|
template<template<class...> class F, class... T> struct mp_valid_impl
|
|
{
|
|
template<template<class...> class G, class = G<T...>> static mp_true check(int);
|
|
template<template<class...> class> static mp_false check(...);
|
|
|
|
using type = decltype(check<F>(0));
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
template<template<class...> class F, class... T> using mp_valid = typename detail::mp_valid_impl<F, T...>::type;
|
|
|
|
#endif
|
|
|
|
template<class Q, class... T> using mp_valid_q = mp_valid<Q::template fn, T...>;
|
|
|
|
// mp_defer
|
|
namespace detail
|
|
{
|
|
|
|
template<template<class...> class F, class... T> struct mp_defer_impl
|
|
{
|
|
using type = F<T...>;
|
|
};
|
|
|
|
struct mp_no_type
|
|
{
|
|
};
|
|
|
|
#if BOOST_MP11_WORKAROUND( BOOST_MP11_CUDA, >= 9000000 && BOOST_MP11_CUDA < 10000000 )
|
|
|
|
template<template<class...> class F, class... T> struct mp_defer_cuda_workaround
|
|
{
|
|
using type = mp_if<mp_valid<F, T...>, detail::mp_defer_impl<F, T...>, detail::mp_no_type>;
|
|
};
|
|
|
|
#endif
|
|
|
|
} // namespace detail
|
|
|
|
#if BOOST_MP11_WORKAROUND( BOOST_MP11_CUDA, >= 9000000 && BOOST_MP11_CUDA < 10000000 )
|
|
|
|
template<template<class...> class F, class... T> using mp_defer = typename detail::mp_defer_cuda_workaround< F, T...>::type;
|
|
|
|
#else
|
|
|
|
template<template<class...> class F, class... T> using mp_defer = mp_if<mp_valid<F, T...>, detail::mp_defer_impl<F, T...>, detail::mp_no_type>;
|
|
|
|
#endif
|
|
|
|
// mp_eval_if, mp_eval_if_c
|
|
namespace detail
|
|
{
|
|
|
|
template<bool C, class T, template<class...> class F, class... U> struct mp_eval_if_c_impl;
|
|
|
|
template<class T, template<class...> class F, class... U> struct mp_eval_if_c_impl<true, T, F, U...>
|
|
{
|
|
using type = T;
|
|
};
|
|
|
|
template<class T, template<class...> class F, class... U> struct mp_eval_if_c_impl<false, T, F, U...>: mp_defer<F, U...>
|
|
{
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
template<bool C, class T, template<class...> class F, class... U> using mp_eval_if_c = typename detail::mp_eval_if_c_impl<C, T, F, U...>::type;
|
|
template<class C, class T, template<class...> class F, class... U> using mp_eval_if = typename detail::mp_eval_if_c_impl<static_cast<bool>(C::value), T, F, U...>::type;
|
|
template<class C, class T, class Q, class... U> using mp_eval_if_q = typename detail::mp_eval_if_c_impl<static_cast<bool>(C::value), T, Q::template fn, U...>::type;
|
|
|
|
// mp_eval_if_not
|
|
template<class C, class T, template<class...> class F, class... U> using mp_eval_if_not = mp_eval_if<mp_not<C>, T, F, U...>;
|
|
template<class C, class T, class Q, class... U> using mp_eval_if_not_q = mp_eval_if<mp_not<C>, T, Q::template fn, U...>;
|
|
|
|
// mp_eval_or
|
|
template<class T, template<class...> class F, class... U> using mp_eval_or = mp_eval_if_not<mp_valid<F, U...>, T, F, U...>;
|
|
template<class T, class Q, class... U> using mp_eval_or_q = mp_eval_or<T, Q::template fn, U...>;
|
|
|
|
// mp_valid_and_true
|
|
template<template<class...> class F, class... T> using mp_valid_and_true = mp_eval_or<mp_false, F, T...>;
|
|
template<class Q, class... T> using mp_valid_and_true_q = mp_valid_and_true<Q::template fn, T...>;
|
|
|
|
// mp_cond
|
|
|
|
// so elegant; so doesn't work
|
|
// template<class C, class T, class... E> using mp_cond = mp_eval_if<C, T, mp_cond, E...>;
|
|
|
|
namespace detail
|
|
{
|
|
|
|
template<class C, class T, class... E> struct mp_cond_impl;
|
|
|
|
} // namespace detail
|
|
|
|
template<class C, class T, class... E> using mp_cond = typename detail::mp_cond_impl<C, T, E...>::type;
|
|
|
|
namespace detail
|
|
{
|
|
|
|
template<class C, class T, class... E> using mp_cond_ = mp_eval_if<C, T, mp_cond, E...>;
|
|
|
|
template<class C, class T, class... E> struct mp_cond_impl: mp_defer<mp_cond_, C, T, E...>
|
|
{
|
|
};
|
|
|
|
} // namespace detail
|
|
|
|
// mp_quote
|
|
template<template<class...> class F> struct mp_quote
|
|
{
|
|
// the indirection through mp_defer works around the language inability
|
|
// to expand T... into a fixed parameter list of an alias template
|
|
|
|
template<class... T> using fn = typename mp_defer<F, T...>::type;
|
|
};
|
|
|
|
// mp_quote_trait
|
|
template<template<class...> class F> struct mp_quote_trait
|
|
{
|
|
template<class... T> using fn = typename F<T...>::type;
|
|
};
|
|
|
|
// mp_invoke_q
|
|
#if BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
|
|
|
|
namespace detail
|
|
{
|
|
|
|
template<class Q, class... T> struct mp_invoke_q_impl: mp_defer<Q::template fn, T...> {};
|
|
|
|
} // namespace detail
|
|
|
|
template<class Q, class... T> using mp_invoke_q = typename detail::mp_invoke_q_impl<Q, T...>::type;
|
|
|
|
#elif BOOST_MP11_WORKAROUND( BOOST_MP11_GCC, < 50000 )
|
|
|
|
template<class Q, class... T> using mp_invoke_q = typename mp_defer<Q::template fn, T...>::type;
|
|
|
|
#else
|
|
|
|
template<class Q, class... T> using mp_invoke_q = typename Q::template fn<T...>;
|
|
|
|
#endif
|
|
|
|
// mp_not_fn<P>
|
|
template<template<class...> class P> struct mp_not_fn
|
|
{
|
|
template<class... T> using fn = mp_not< mp_invoke_q<mp_quote<P>, T...> >;
|
|
};
|
|
|
|
template<class Q> using mp_not_fn_q = mp_not_fn<Q::template fn>;
|
|
|
|
// mp_compose
|
|
namespace detail
|
|
{
|
|
|
|
template<class L, class Q> using mp_compose_helper = mp_list< mp_apply_q<Q, L> >;
|
|
|
|
} // namespace detail
|
|
|
|
#if !BOOST_MP11_WORKAROUND( BOOST_MP11_MSVC, < 1900 )
|
|
|
|
template<template<class...> class... F> struct mp_compose
|
|
{
|
|
template<class... T> using fn = mp_front< mp_fold<mp_list<mp_quote<F>...>, mp_list<T...>, detail::mp_compose_helper> >;
|
|
};
|
|
|
|
#endif
|
|
|
|
template<class... Q> struct mp_compose_q
|
|
{
|
|
template<class... T> using fn = mp_front< mp_fold<mp_list<Q...>, mp_list<T...>, detail::mp_compose_helper> >;
|
|
};
|
|
|
|
} // namespace mp11
|
|
} // namespace boost
|
|
|
|
#endif // #ifndef BOOST_MP11_UTILITY_HPP_INCLUDED
|