| Index: third_party/boost/boost/aligned_storage.hpp
|
| diff --git a/third_party/boost/boost/aligned_storage.hpp b/third_party/boost/boost/aligned_storage.hpp
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..cfaf7877a1551cbf1b804935c123bfc3538bf3ba
|
| --- /dev/null
|
| +++ b/third_party/boost/boost/aligned_storage.hpp
|
| @@ -0,0 +1,170 @@
|
| +//-----------------------------------------------------------------------------
|
| +// boost aligned_storage.hpp header file
|
| +// See http://www.boost.org for updates, documentation, and revision history.
|
| +//-----------------------------------------------------------------------------
|
| +//
|
| +// Copyright (c) 2002-2003
|
| +// Eric Friedman, Itay Maman
|
| +//
|
| +// 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)
|
| +
|
| +#ifndef BOOST_ALIGNED_STORAGE_HPP
|
| +#define BOOST_ALIGNED_STORAGE_HPP
|
| +
|
| +#include <cstddef> // for std::size_t
|
| +
|
| +#include "boost/config.hpp"
|
| +#include "boost/detail/workaround.hpp"
|
| +#include "boost/type_traits/alignment_of.hpp"
|
| +#include "boost/type_traits/type_with_alignment.hpp"
|
| +#include "boost/type_traits/is_pod.hpp"
|
| +
|
| +#include "boost/mpl/eval_if.hpp"
|
| +#include "boost/mpl/identity.hpp"
|
| +
|
| +#include "boost/type_traits/detail/bool_trait_def.hpp"
|
| +
|
| +namespace boost {
|
| +
|
| +namespace detail { namespace aligned_storage {
|
| +
|
| +BOOST_STATIC_CONSTANT(
|
| + std::size_t
|
| + , alignment_of_max_align = ::boost::alignment_of<max_align>::value
|
| + );
|
| +
|
| +//
|
| +// To be TR1 conforming this must be a POD type:
|
| +//
|
| +template <
|
| + std::size_t size_
|
| + , std::size_t alignment_
|
| +>
|
| +struct aligned_storage_imp
|
| +{
|
| + union data_t
|
| + {
|
| + char buf[size_];
|
| +
|
| + typename mpl::eval_if_c<
|
| + alignment_ == std::size_t(-1)
|
| + , mpl::identity<detail::max_align>
|
| + , type_with_alignment<alignment_>
|
| + >::type align_;
|
| + } data_;
|
| +};
|
| +
|
| +}} // namespace detail::aligned_storage
|
| +
|
| +template <
|
| + std::size_t size_
|
| + , std::size_t alignment_ = std::size_t(-1)
|
| +>
|
| +class aligned_storage
|
| +{
|
| +private: // representation
|
| +
|
| + detail::aligned_storage::aligned_storage_imp<size_, alignment_> data_;
|
| +
|
| +public: // constants
|
| +
|
| + typedef detail::aligned_storage::aligned_storage_imp<size_, alignment_> type;
|
| +
|
| + BOOST_STATIC_CONSTANT(
|
| + std::size_t
|
| + , size = size_
|
| + );
|
| + BOOST_STATIC_CONSTANT(
|
| + std::size_t
|
| + , alignment = (
|
| + alignment_ == std::size_t(-1)
|
| + ? ::boost::detail::aligned_storage::alignment_of_max_align
|
| + : alignment_
|
| + )
|
| + );
|
| +
|
| +#if defined(__GNUC__) &&\
|
| + (__GNUC__ > 3) ||\
|
| + (__GNUC__ == 3 && (__GNUC_MINOR__ > 2 ||\
|
| + (__GNUC_MINOR__ == 2 && __GNUC_PATCHLEVEL__ >=3)))
|
| +
|
| +private: // noncopyable
|
| +
|
| + aligned_storage(const aligned_storage&);
|
| + aligned_storage& operator=(const aligned_storage&);
|
| +
|
| +#else // gcc less than 3.2.3
|
| +
|
| +public: // _should_ be noncopyable, but GCC compiler emits error
|
| +
|
| + aligned_storage(const aligned_storage&);
|
| + aligned_storage& operator=(const aligned_storage&);
|
| +
|
| +#endif // gcc < 3.2.3 workaround
|
| +
|
| +public: // structors
|
| +
|
| + aligned_storage()
|
| + {
|
| + }
|
| +
|
| + ~aligned_storage()
|
| + {
|
| + }
|
| +
|
| +public: // accessors
|
| +
|
| + void* address()
|
| + {
|
| + return this;
|
| + }
|
| +
|
| +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
| +
|
| + const void* address() const
|
| + {
|
| + return this;
|
| + }
|
| +
|
| +#else // MSVC6
|
| +
|
| + const void* address() const;
|
| +
|
| +#endif // MSVC6 workaround
|
| +
|
| +};
|
| +
|
| +#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
|
| +
|
| +// MSVC6 seems not to like inline functions with const void* returns, so we
|
| +// declare the following here:
|
| +
|
| +template <std::size_t S, std::size_t A>
|
| +const void* aligned_storage<S,A>::address() const
|
| +{
|
| + return const_cast< aligned_storage<S,A>* >(this)->address();
|
| +}
|
| +
|
| +#endif // MSVC6 workaround
|
| +
|
| +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
| +//
|
| +// Make sure that is_pod recognises aligned_storage<>::type
|
| +// as a POD (Note that aligned_storage<> itself is not a POD):
|
| +//
|
| +template <std::size_t size_, std::size_t alignment_>
|
| +struct is_pod<boost::detail::aligned_storage::aligned_storage_imp<size_,alignment_> >
|
| + BOOST_TT_AUX_BOOL_C_BASE(true)
|
| +{
|
| + BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(true)
|
| +};
|
| +#endif
|
| +
|
| +
|
| +} // namespace boost
|
| +
|
| +#include "boost/type_traits/detail/bool_trait_undef.hpp"
|
| +
|
| +#endif // BOOST_ALIGNED_STORAGE_HPP
|
|
|