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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/type_traits/is_pod.hpp | |
download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
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Diffstat (limited to '3rdParty/Boost/boost/type_traits/is_pod.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/type_traits/is_pod.hpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/type_traits/is_pod.hpp b/3rdParty/Boost/boost/type_traits/is_pod.hpp new file mode 100644 index 0000000..af2c3c4 --- /dev/null +++ b/3rdParty/Boost/boost/type_traits/is_pod.hpp @@ -0,0 +1,135 @@ + +// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. +// 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). +// +// See http://www.boost.org/libs/type_traits for most recent version including documentation. + +#ifndef BOOST_TT_IS_POD_HPP_INCLUDED +#define BOOST_TT_IS_POD_HPP_INCLUDED + +#include <boost/type_traits/config.hpp> +#include <boost/type_traits/is_void.hpp> +#include <boost/type_traits/is_scalar.hpp> +#include <boost/type_traits/detail/ice_or.hpp> +#include <boost/type_traits/intrinsics.hpp> + +#include <cstddef> + +// should be the last #include +#include <boost/type_traits/detail/bool_trait_def.hpp> + +namespace boost { + +// forward declaration, needed by 'is_pod_array_helper' template below +template< typename T > struct is_POD; + +namespace detail { + +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +template <typename T> struct is_pod_impl +{ + BOOST_STATIC_CONSTANT( + bool, value = + (::boost::type_traits::ice_or< + ::boost::is_scalar<T>::value, + ::boost::is_void<T>::value, + BOOST_IS_POD(T) + >::value)); +}; + +#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) +template <typename T, std::size_t sz> +struct is_pod_impl<T[sz]> + : is_pod_impl<T> +{ +}; +#endif + +#else + +template <bool is_array = false> +struct is_pod_helper +{ + template <typename T> struct result_ + { + BOOST_STATIC_CONSTANT( + bool, value = + (::boost::type_traits::ice_or< + ::boost::is_scalar<T>::value, + ::boost::is_void<T>::value, + BOOST_IS_POD(T) + >::value)); + }; +}; + +template <bool b> +struct bool_to_yes_no_type +{ + typedef ::boost::type_traits::no_type type; +}; + +template <> +struct bool_to_yes_no_type<true> +{ + typedef ::boost::type_traits::yes_type type; +}; + +template <typename ArrayType> +struct is_pod_array_helper +{ + enum { is_pod = ::boost::is_POD<ArrayType>::value }; // MSVC workaround + typedef typename bool_to_yes_no_type<is_pod>::type type; + type instance() const; +}; + +template <typename T> +is_pod_array_helper<T> is_POD_array(T*); + +template <> +struct is_pod_helper<true> +{ + template <typename T> struct result_ + { + static T& help(); + BOOST_STATIC_CONSTANT(bool, value = + sizeof(is_POD_array(help()).instance()) == sizeof(::boost::type_traits::yes_type) + ); + }; +}; + + +template <typename T> struct is_pod_impl +{ + BOOST_STATIC_CONSTANT( + bool, value = ( + ::boost::detail::is_pod_helper< + ::boost::is_array<T>::value + >::template result_<T>::value + ) + ); +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +// the following help compilers without partial specialization support: +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void,true) + +#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const,true) +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void volatile,true) +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const volatile,true) +#endif + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_POD,T,::boost::detail::is_pod_impl<T>::value) +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pod,T,::boost::detail::is_pod_impl<T>::value) + +} // namespace boost + +#include <boost/type_traits/detail/bool_trait_undef.hpp> + +#endif // BOOST_TT_IS_POD_HPP_INCLUDED |