218 lines
8.4 KiB
C++
218 lines
8.4 KiB
C++
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
//
|
||
|
// (C) Copyright Ion Gaztanaga 2006-2014
|
||
|
// (C) Copyright Microsoft Corporation 2014
|
||
|
//
|
||
|
// 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)
|
||
|
//
|
||
|
// See http://www.boost.org/libs/intrusive for documentation.
|
||
|
//
|
||
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
#ifndef BOOST_INTRUSIVE_DETAIL_MPL_HPP
|
||
|
#define BOOST_INTRUSIVE_DETAIL_MPL_HPP
|
||
|
|
||
|
#ifndef BOOST_CONFIG_HPP
|
||
|
# include <boost/config.hpp>
|
||
|
#endif
|
||
|
|
||
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
||
|
# pragma once
|
||
|
#endif
|
||
|
|
||
|
#include <boost/intrusive/detail/config_begin.hpp>
|
||
|
#include <boost/move/detail/type_traits.hpp>
|
||
|
#include <cstddef>
|
||
|
|
||
|
namespace boost {
|
||
|
namespace intrusive {
|
||
|
namespace detail {
|
||
|
|
||
|
using boost::move_detail::is_same;
|
||
|
using boost::move_detail::add_const;
|
||
|
using boost::move_detail::remove_const;
|
||
|
using boost::move_detail::remove_cv;
|
||
|
using boost::move_detail::remove_reference;
|
||
|
using boost::move_detail::add_reference;
|
||
|
using boost::move_detail::remove_pointer;
|
||
|
using boost::move_detail::add_pointer;
|
||
|
using boost::move_detail::true_type;
|
||
|
using boost::move_detail::false_type;
|
||
|
using boost::move_detail::voider;
|
||
|
using boost::move_detail::enable_if_c;
|
||
|
using boost::move_detail::enable_if;
|
||
|
using boost::move_detail::disable_if_c;
|
||
|
using boost::move_detail::disable_if;
|
||
|
using boost::move_detail::is_convertible;
|
||
|
using boost::move_detail::if_c;
|
||
|
using boost::move_detail::if_;
|
||
|
using boost::move_detail::is_const;
|
||
|
using boost::move_detail::identity;
|
||
|
using boost::move_detail::alignment_of;
|
||
|
using boost::move_detail::is_empty;
|
||
|
using boost::move_detail::addressof;
|
||
|
using boost::move_detail::integral_constant;
|
||
|
using boost::move_detail::enable_if_convertible;
|
||
|
using boost::move_detail::disable_if_convertible;
|
||
|
using boost::move_detail::bool_;
|
||
|
using boost::move_detail::true_;
|
||
|
using boost::move_detail::false_;
|
||
|
using boost::move_detail::yes_type;
|
||
|
using boost::move_detail::no_type;
|
||
|
using boost::move_detail::apply;
|
||
|
using boost::move_detail::eval_if_c;
|
||
|
using boost::move_detail::eval_if;
|
||
|
using boost::move_detail::unvoid_ref;
|
||
|
using boost::move_detail::add_const_if_c;
|
||
|
|
||
|
template<std::size_t S>
|
||
|
struct ls_zeros
|
||
|
{
|
||
|
static const std::size_t value = (S & std::size_t(1)) ? 0 : (1 + ls_zeros<(S>>1u)>::value);
|
||
|
};
|
||
|
|
||
|
template<>
|
||
|
struct ls_zeros<0>
|
||
|
{
|
||
|
static const std::size_t value = 0;
|
||
|
};
|
||
|
|
||
|
template<>
|
||
|
struct ls_zeros<1>
|
||
|
{
|
||
|
static const std::size_t value = 0;
|
||
|
};
|
||
|
|
||
|
// Infrastructure for providing a default type for T::TNAME if absent.
|
||
|
#define BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(TNAME) \
|
||
|
template <typename T> \
|
||
|
struct boost_intrusive_has_type_ ## TNAME \
|
||
|
{ \
|
||
|
template <typename X> \
|
||
|
static char test(int, typename X::TNAME*); \
|
||
|
\
|
||
|
template <typename X> \
|
||
|
static int test(...); \
|
||
|
\
|
||
|
static const bool value = (1 == sizeof(test<T>(0, 0))); \
|
||
|
}; \
|
||
|
\
|
||
|
template <typename T, typename DefaultType> \
|
||
|
struct boost_intrusive_default_type_ ## TNAME \
|
||
|
{ \
|
||
|
struct DefaultWrap { typedef DefaultType TNAME; }; \
|
||
|
\
|
||
|
typedef typename \
|
||
|
::boost::intrusive::detail::if_c \
|
||
|
< boost_intrusive_has_type_ ## TNAME<T>::value \
|
||
|
, T, DefaultWrap>::type::TNAME type; \
|
||
|
}; \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(INSTANTIATION_NS_PREFIX, T, TNAME, TIMPL) \
|
||
|
typename INSTANTIATION_NS_PREFIX \
|
||
|
boost_intrusive_default_type_ ## TNAME< T, TIMPL >::type \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_HAS_TYPE(INSTANTIATION_NS_PREFIX, T, TNAME) \
|
||
|
INSTANTIATION_NS_PREFIX \
|
||
|
boost_intrusive_has_type_ ## TNAME< T >::value \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(TNAME)\
|
||
|
template <typename T, typename DefaultType> \
|
||
|
struct boost_intrusive_eval_default_type_ ## TNAME \
|
||
|
{ \
|
||
|
template <typename X> \
|
||
|
static char test(int, typename X::TNAME*); \
|
||
|
\
|
||
|
template <typename X> \
|
||
|
static int test(...); \
|
||
|
\
|
||
|
struct DefaultWrap \
|
||
|
{ typedef typename DefaultType::type TNAME; }; \
|
||
|
\
|
||
|
static const bool value = (1 == sizeof(test<T>(0, 0))); \
|
||
|
\
|
||
|
typedef typename \
|
||
|
::boost::intrusive::detail::eval_if_c \
|
||
|
< value \
|
||
|
, ::boost::intrusive::detail::identity<T> \
|
||
|
, ::boost::intrusive::detail::identity<DefaultWrap> \
|
||
|
>::type::TNAME type; \
|
||
|
}; \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(INSTANTIATION_NS_PREFIX, T, TNAME, TIMPL) \
|
||
|
typename INSTANTIATION_NS_PREFIX \
|
||
|
boost_intrusive_eval_default_type_ ## TNAME< T, TIMPL >::type \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_INTERNAL_STATIC_BOOL_IS_TRUE(TRAITS_PREFIX, TYPEDEF_TO_FIND) \
|
||
|
template <class T>\
|
||
|
struct TRAITS_PREFIX##_bool\
|
||
|
{\
|
||
|
template<bool Add>\
|
||
|
struct two_or_three {yes_type _[2 + Add];};\
|
||
|
template <class U> static yes_type test(...);\
|
||
|
template <class U> static two_or_three<U::TYPEDEF_TO_FIND> test (int);\
|
||
|
static const std::size_t value = sizeof(test<T>(0));\
|
||
|
};\
|
||
|
\
|
||
|
template <class T>\
|
||
|
struct TRAITS_PREFIX##_bool_is_true\
|
||
|
{\
|
||
|
static const bool value = TRAITS_PREFIX##_bool<T>::value > sizeof(yes_type)*2;\
|
||
|
};\
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(TRAITS_NAME, FUNC_NAME) \
|
||
|
template <typename U, typename Signature> \
|
||
|
class TRAITS_NAME \
|
||
|
{ \
|
||
|
private: \
|
||
|
template<Signature> struct helper;\
|
||
|
template<typename T> \
|
||
|
static ::boost::intrusive::detail::yes_type test(helper<&T::FUNC_NAME>*); \
|
||
|
template<typename T> static ::boost::intrusive::detail::no_type test(...); \
|
||
|
public: \
|
||
|
static const bool value = sizeof(test<U>(0)) == sizeof(::boost::intrusive::detail::yes_type); \
|
||
|
}; \
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED(TRAITS_NAME, FUNC_NAME) \
|
||
|
template <typename Type> \
|
||
|
struct TRAITS_NAME \
|
||
|
{ \
|
||
|
struct BaseMixin \
|
||
|
{ \
|
||
|
void FUNC_NAME(); \
|
||
|
}; \
|
||
|
struct Base : public Type, public BaseMixin { Base(); }; \
|
||
|
template <typename T, T t> class Helper{}; \
|
||
|
template <typename U> \
|
||
|
static ::boost::intrusive::detail::no_type test(U*, Helper<void (BaseMixin::*)(), &U::FUNC_NAME>* = 0); \
|
||
|
static ::boost::intrusive::detail::yes_type test(...); \
|
||
|
static const bool value = sizeof(::boost::intrusive::detail::yes_type) == sizeof(test((Base*)(0))); \
|
||
|
};\
|
||
|
//
|
||
|
|
||
|
#define BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED_IGNORE_SIGNATURE(TRAITS_NAME, FUNC_NAME) \
|
||
|
BOOST_INTRUSIVE_HAS_MEMBER_FUNC_CALLED(TRAITS_NAME##_ignore_signature, FUNC_NAME) \
|
||
|
\
|
||
|
template <typename Type, class> \
|
||
|
struct TRAITS_NAME \
|
||
|
: public TRAITS_NAME##_ignore_signature<Type> \
|
||
|
{};\
|
||
|
//
|
||
|
|
||
|
} //namespace detail
|
||
|
} //namespace intrusive
|
||
|
} //namespace boost
|
||
|
|
||
|
#include <boost/intrusive/detail/config_end.hpp>
|
||
|
|
||
|
#endif //BOOST_INTRUSIVE_DETAIL_MPL_HPP
|