update boost to 1.60

[lyx.git] / 3rdparty / boost / boost / type_traits / aligned_storage.hpp

diff --git a/3rdparty/boost/boost/type_traits/aligned_storage.hpp b/3rdparty/boost/boost/type_traits/aligned_storage.hpp
old mode 100755 (executable)
new mode 100644 (file)
index 5420f26..09f0c6b
--- a/3rdparty/boost/boost/type_traits/aligned_storage.hpp
+++ b/3rdparty/boost/boost/type_traits/aligned_storage.hpp
@@ -1,13 +1,138 @@
+//-----------------------------------------------------------------------------
+// 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_TT_ALIGNED_STORAGE_HPP
+#define BOOST_TT_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/type_traits/conditional.hpp"
+
+namespace boost {
+
+namespace detail { namespace aligned_storage {
+
+BOOST_STATIC_CONSTANT(
+      std::size_t
+    , alignment_of_max_align = ::boost::alignment_of<boost::detail::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 ::boost::type_with_alignment<alignment_>::type align_;
+    } data_;
+    void* address() const { return const_cast<aligned_storage_imp*>(this); }
+};
+template <std::size_t size>
+struct aligned_storage_imp<size, std::size_t(-1)>
+{
+   union data_t
+   {
+      char buf[size];
+      ::boost::detail::max_align align_;
+   } data_;
+   void* address() const { return const_cast<aligned_storage_imp*>(this); }
+};
+
+template< std::size_t alignment_ >
+struct aligned_storage_imp<0u,alignment_>
+{
+    /* intentionally empty */
+    void* address() const { return 0; }
+};
 
-//  Copyright (C) John Maddock 2005.
-//  Use, modification and distribution are subject to 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).
+}} // namespace detail::aligned_storage
+
+template <
+      std::size_t size_
+    , std::size_t alignment_ = std::size_t(-1)
+>
+class aligned_storage : 
+#ifndef __BORLANDC__
+   private 
+#else
+   public
+#endif
+   ::boost::detail::aligned_storage::aligned_storage_imp<size_, alignment_> 
+{
+ 
+public: // constants
+
+    typedef ::boost::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_
+            )
+        );
+
+private: // noncopyable
+
+    aligned_storage(const aligned_storage&);
+    aligned_storage& operator=(const aligned_storage&);
+
+public: // structors
+
+    aligned_storage()
+    {
+    }
+
+    ~aligned_storage()
+    {
+    }
+
+public: // accessors
+
+    void* address()
+    {
+        return static_cast<type*>(this)->address();
+    }
+
+    const void* address() const
+    {
+        return static_cast<const type*>(this)->address();
+    }
+};
+
+//
+// Make sure that is_pod recognises aligned_storage<>::type
+// as a POD (Note that aligned_storage<> itself is not a POD):
 //
-//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+template <std::size_t size_, std::size_t alignment_>
+struct is_pod< ::boost::detail::aligned_storage::aligned_storage_imp<size_, alignment_> > : public true_type{};
 
-#ifndef BOOST_TT_ALIGNED_STORAGE_HPP_INCLUDED
-#  define BOOST_TT_ALIGNED_STORAGE_HPP_INCLUDED
-#  include <boost/aligned_storage.hpp>
-#endif // BOOST_TT_ALIGNED_STORAGE_HPP_INCLUDED
+} // namespace boost
 
+#endif // BOOST_ALIGNED_STORAGE_HPP