update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / describe / detail / members.hpp

diff --git a/ceph/src/boost/boost/describe/detail/members.hpp b/ceph/src/boost/boost/describe/detail/members.hpp
new file mode 100644 (file)
index 0000000..2509acf
--- /dev/null
+++ b/ceph/src/boost/boost/describe/detail/members.hpp
@@ -0,0 +1,82 @@
+#ifndef BOOST_DESCRIBE_DETAIL_MEMBERS_HPP_INCLUDED
+#define BOOST_DESCRIBE_DETAIL_MEMBERS_HPP_INCLUDED
+
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/describe/modifiers.hpp>
+#include <boost/describe/detail/pp_for_each.hpp>
+#include <boost/describe/detail/pp_utilities.hpp>
+#include <boost/describe/detail/list.hpp>
+#include <type_traits>
+
+namespace boost
+{
+namespace describe
+{
+namespace detail
+{
+
+template<class Pm> constexpr unsigned add_static_modifier( Pm )
+{
+    return std::is_member_pointer<Pm>::value? 0: mod_static;
+}
+
+template<class Pm> constexpr unsigned add_function_modifier( Pm )
+{
+    return std::is_member_function_pointer<Pm>::value || std::is_function< std::remove_pointer_t<Pm> >::value? mod_function: 0;
+}
+
+template<class D, unsigned M> struct member_descriptor
+{
+    static constexpr decltype(D::pointer()) pointer = D::pointer();
+    static constexpr decltype(D::name()) name = D::name();
+    static constexpr unsigned modifiers = M | add_static_modifier( D::pointer() ) | add_function_modifier( D::pointer() );
+};
+
+template<class D, unsigned M> constexpr decltype(D::pointer()) member_descriptor<D, M>::pointer;
+template<class D, unsigned M> constexpr decltype(D::name()) member_descriptor<D, M>::name;
+template<class D, unsigned M> constexpr unsigned member_descriptor<D, M>::modifiers;
+
+template<unsigned M, class... T> auto member_descriptor_fn_impl( int, T... )
+{
+    return list<member_descriptor<T, M>...>();
+}
+
+template<class C, class F> constexpr auto mfn( F C::* p ) { return p; }
+template<class C, class F> constexpr auto mfn( F * p ) { return p; }
+
+#define BOOST_DESCRIBE_MEMBER_IMPL(C, m) , []{ struct _boost_desc { \
+    static constexpr auto pointer() noexcept { return BOOST_DESCRIBE_PP_POINTER(C, m); } \
+    static constexpr auto name() noexcept { return BOOST_DESCRIBE_PP_NAME(m); } }; return _boost_desc(); }()
+
+#if defined(_MSC_VER) && !defined(__clang__)
+
+#define BOOST_DESCRIBE_PUBLIC_MEMBERS(C, ...) inline auto boost_public_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_public>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, __VA_ARGS__) ); }
+
+#define BOOST_DESCRIBE_PROTECTED_MEMBERS(C, ...) inline auto boost_protected_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_protected>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, __VA_ARGS__) ); }
+
+#define BOOST_DESCRIBE_PRIVATE_MEMBERS(C, ...) inline auto boost_private_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_private>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, __VA_ARGS__) ); }
+
+#else
+
+#define BOOST_DESCRIBE_PUBLIC_MEMBERS(C, ...) inline auto boost_public_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_public>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, ##__VA_ARGS__) ); }
+
+#define BOOST_DESCRIBE_PROTECTED_MEMBERS(C, ...) inline auto boost_protected_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_protected>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, ##__VA_ARGS__) ); }
+
+#define BOOST_DESCRIBE_PRIVATE_MEMBERS(C, ...) inline auto boost_private_member_descriptor_fn( C** ) \
+{ return boost::describe::detail::member_descriptor_fn_impl<boost::describe::mod_private>( 0 BOOST_DESCRIBE_PP_FOR_EACH(BOOST_DESCRIBE_MEMBER_IMPL, C, ##__VA_ARGS__) ); }
+
+#endif
+
+} // namespace detail
+} // namespace describe
+} // namespace boost
+
+#endif // #ifndef BOOST_DESCRIBE_DETAIL_MEMBERS_HPP_INCLUDED