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Enabled using compiler builtin

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This commit is contained in:
Kohei Takahashi
2018-05-09 03:04:03 +09:00
parent fb26953fcf
commit 8e25d0ef77
2 changed files with 29 additions and 13 deletions
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7
include/boost/fusion/support/config.hpp
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@ -116,4 +116,11 @@ namespace std
# define BOOST_FUSION_NOEXCEPT_ON_DEFAULTED BOOST_NOEXCEPT # define BOOST_FUSION_NOEXCEPT_ON_DEFAULTED BOOST_NOEXCEPT
#endif #endif
#ifdef __has_extension
# define BOOST_FUSION_HAS_EXTENSION __has_extension
#else
# define BOOST_FUSION_HAS_EXTENSION(_) 0
#endif
#endif #endif

35
include/boost/fusion/support/detail/is_trivially_copyable.hpp
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@ -17,7 +17,16 @@
# define BOOST_FUSION_DETAIL_VOLATILE_SCALAR_IS_NON_TRIVIALLY_COPYABLE # define BOOST_FUSION_DETAIL_VOLATILE_SCALAR_IS_NON_TRIVIALLY_COPYABLE
#endif #endif
#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS #if BOOST_FUSION_HAS_EXTENSION(is_trivially_copyable) || \
(50000 <= BOOST_GCC) || (1700 <= BOOST_MSVC)
# define BOOST_FUSION_IS_TRIVIALLY_COPYABLE __is_trivially_copyable
#endif
#if defined(BOOST_FUSION_IS_TRIVIALLY_COPYABLE)
# define BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING 2
# include <boost/mpl/bool.hpp>
#elif !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
# define BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING 2
# include <type_traits> # include <type_traits>
#else #else
# include <boost/config/workaround.hpp> # include <boost/config/workaround.hpp>
@ -43,20 +52,18 @@
#endif #endif
#endif // <type_traits> #endif // <type_traits>
#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS
# define BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING 2
#elif defined(BOOST_SFINAE_EXPR) && !defined(BOOST_NO_CXX11_DECLTYPE) && \
defined(BOOST_IS_UNION) && defined(BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION) && \
defined(BOOST_HAS_TRIVIAL_ASSIGN) && defined(BOOST_HAS_TRIVIAL_COPY) && \
defined(BOOST_HAS_TRIVIAL_MOVE_ASSIGN) && defined(BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR) && \
defined(BOOST_HAS_TRIVIAL_DESTRUCTOR) && defined(BOOST_TT_IS_CONSTRUCTIBLE_CONFORMING)
# define BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING 1
#endif
namespace boost { namespace fusion { namespace detail namespace boost { namespace fusion { namespace detail
{ {
#ifdef BOOST_NO_CXX11_HDR_TYPE_TRAITS #ifndef BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING
#if defined(BOOST_SFINAE_EXPR) && !defined(BOOST_NO_CXX11_DECLTYPE) && \
defined(BOOST_IS_UNION) && defined(BOOST_TT_HAS_CONFORMING_IS_CLASS_IMPLEMENTATION) && \
defined(BOOST_HAS_TRIVIAL_ASSIGN) && defined(BOOST_HAS_TRIVIAL_COPY) && \
defined(BOOST_HAS_TRIVIAL_MOVE_ASSIGN) && defined(BOOST_HAS_TRIVIAL_MOVE_CONSTRUCTOR) && \
defined(BOOST_HAS_TRIVIAL_DESTRUCTOR) && defined(BOOST_TT_IS_CONSTRUCTIBLE_CONFORMING)
# define BOOST_FUSION_DETAIL_IS_TRIVIALLY_COPYABLE_CONFORMING 1
#endif
template <typename T> template <typename T>
struct is_trivially_copyable_class struct is_trivially_copyable_class
: mpl::bool_< : mpl::bool_<
@ -86,7 +93,9 @@ struct is_trivially_copyable_impl
template <typename T> template <typename T>
struct is_trivially_copyable struct is_trivially_copyable
#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS #if defined(BOOST_FUSION_IS_TRIVIALLY_COPYABLE)
: mpl::bool_<BOOST_FUSION_IS_TRIVIALLY_COPYABLE(T)>
#elif !defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS)
: std::is_trivially_copyable<T> : std::is_trivially_copyable<T>
#else #else
: is_trivially_copyable_impl<typename remove_all_extents<T>::type> : is_trivially_copyable_impl<typename remove_all_extents<T>::type>