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author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/utility/addressof.hpp | |
download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
Import.
Diffstat (limited to '3rdParty/Boost/boost/utility/addressof.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/utility/addressof.hpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/utility/addressof.hpp b/3rdParty/Boost/boost/utility/addressof.hpp new file mode 100644 index 0000000..ac42a51 --- /dev/null +++ b/3rdParty/Boost/boost/utility/addressof.hpp @@ -0,0 +1,99 @@ +// Copyright (C) 2002 Brad King (brad.king@kitware.com) +// Douglas Gregor (gregod@cs.rpi.edu) +// +// Copyright (C) 2002, 2008 Peter Dimov +// +// 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) + +// For more information, see http://www.boost.org + +#ifndef BOOST_UTILITY_ADDRESSOF_HPP +# define BOOST_UTILITY_ADDRESSOF_HPP + +# include <boost/config.hpp> +# include <boost/detail/workaround.hpp> + +namespace boost +{ + +namespace detail +{ + +template<class T> struct addr_impl_ref +{ + T & v_; + + inline addr_impl_ref( T & v ): v_( v ) {} + inline operator T& () const { return v_; } +}; + +template<class T> struct addressof_impl +{ + static inline T * f( T & v, long ) + { + return reinterpret_cast<T*>( + &const_cast<char&>(reinterpret_cast<const volatile char &>(v))); + } + + static inline T * f( T * v, int ) + { + return v; + } +}; + +} // namespace detail + +template<class T> T * addressof( T & v ) +{ +#if defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x610 ) ) + + return boost::detail::addressof_impl<T>::f( v, 0 ); + +#else + + return boost::detail::addressof_impl<T>::f( boost::detail::addr_impl_ref<T>( v ), 0 ); + +#endif +} + +#if defined( __SUNPRO_CC ) && BOOST_WORKAROUND( __SUNPRO_CC, BOOST_TESTED_AT( 0x590 ) ) + +namespace detail +{ + +template<class T> struct addressof_addp +{ + typedef T * type; +}; + +} // namespace detail + +template< class T, std::size_t N > +typename detail::addressof_addp< T[N] >::type addressof( T (&t)[N] ) +{ + return &t; +} + +#endif + +// Borland doesn't like casting an array reference to a char reference +// but these overloads work around the problem. +#if defined( __BORLANDC__ ) && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) +template<typename T,std::size_t N> +T (*addressof(T (&t)[N]))[N] +{ + return reinterpret_cast<T(*)[N]>(&t); +} + +template<typename T,std::size_t N> +const T (*addressof(const T (&t)[N]))[N] +{ + return reinterpret_cast<const T(*)[N]>(&t); +} +#endif + +} // namespace boost + +#endif // BOOST_UTILITY_ADDRESSOF_HPP |