From 8286ac511144e4f17d34eac9affb97e50646344a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 23 Jul 2014 15:25:44 +0200 Subject: Imported Upstream version 4.0.0 --- .../cutl/details/boost/type_traits/is_pointer.hpp | 162 +++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 libcutl/cutl/details/boost/type_traits/is_pointer.hpp (limited to 'libcutl/cutl/details/boost/type_traits/is_pointer.hpp') diff --git a/libcutl/cutl/details/boost/type_traits/is_pointer.hpp b/libcutl/cutl/details/boost/type_traits/is_pointer.hpp new file mode 100644 index 0000000..6e3779f --- /dev/null +++ b/libcutl/cutl/details/boost/type_traits/is_pointer.hpp @@ -0,0 +1,162 @@ + +// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, +// Howard Hinnant and John Maddock 2000. +// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 + +// 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. + +// Fixed is_pointer, is_reference, is_const, is_volatile, is_same, +// is_member_pointer based on the Simulated Partial Specialization work +// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or +// http://groups.yahoo.com/group/boost/message/5441 +// Some workarounds in here use ideas suggested from "Generic: +// Mappings between Types and Values" +// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html). + + +#ifndef BOOST_TT_IS_POINTER_HPP_INCLUDED +#define BOOST_TT_IS_POINTER_HPP_INCLUDED + +#include +#include +#include +#include +#if !BOOST_WORKAROUND(BOOST_MSVC,<=1300) +#include +#endif + +#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION +# include +# include +# include +# include +# include +#endif + +// should be the last #include +#include + +namespace cutl_details_boost { + +#if defined( __CODEGEARC__ ) +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pointer,T,__is_pointer(T)) +#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +namespace detail { + +template< typename T > struct is_pointer_helper +{ + BOOST_STATIC_CONSTANT(bool, value = false); +}; + +# define TT_AUX_BOOL_TRAIT_HELPER_PARTIAL_SPEC(helper,sp,result) \ +template< typename T > struct helper \ +{ \ + BOOST_STATIC_CONSTANT(bool, value = result); \ +}; \ +/**/ + +TT_AUX_BOOL_TRAIT_HELPER_PARTIAL_SPEC(is_pointer_helper,T*,true) + +# undef TT_AUX_BOOL_TRAIT_HELPER_PARTIAL_SPEC + +template< typename T > +struct is_pointer_impl +{ +#if BOOST_WORKAROUND(BOOST_MSVC,<=1300) + BOOST_STATIC_CONSTANT(bool, value = + (::cutl_details_boost::type_traits::ice_and< + ::cutl_details_boost::detail::is_pointer_helper::value + , ::cutl_details_boost::type_traits::ice_not< + ::cutl_details_boost::is_member_pointer::value + >::value + >::value) + ); +#else + BOOST_STATIC_CONSTANT(bool, value = + (::cutl_details_boost::type_traits::ice_and< + ::cutl_details_boost::detail::is_pointer_helper::type>::value + , ::cutl_details_boost::type_traits::ice_not< + ::cutl_details_boost::is_member_pointer::value + >::value + >::value) + ); +#endif +}; + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pointer,T,::cutl_details_boost::detail::is_pointer_impl::value) + +#if defined(__BORLANDC__) && !defined(__COMO__) && (__BORLANDC__ < 0x600) +BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_pointer,T&,false) +BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_pointer,T& const,false) +BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_pointer,T& volatile,false) +BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_pointer,T& const volatile,false) +#endif + +#else // no partial template specialization + +namespace detail { + +struct pointer_helper +{ + pointer_helper(const volatile void*); +}; + +yes_type BOOST_TT_DECL is_pointer_tester(pointer_helper); +no_type BOOST_TT_DECL is_pointer_tester(...); + +template +struct is_pointer_select + : public ::cutl_details_boost::type_traits::false_result +{ +}; + +template <> +struct is_pointer_select +{ + template struct result_ + { + static T& make_t(); + BOOST_STATIC_CONSTANT(bool, value = + (::cutl_details_boost::type_traits::ice_or< + (1 == sizeof(is_pointer_tester(make_t()))), + (1 == sizeof(type_traits::is_function_ptr_tester(make_t()))) + >::value)); + }; +}; + +template +struct is_pointer_impl + : public is_pointer_select< + ::cutl_details_boost::type_traits::ice_or< + ::cutl_details_boost::is_reference::value + , ::cutl_details_boost::is_array::value + >::value + >::template result_ +{ +}; + +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pointer,void,false) +#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pointer,void const,false) +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pointer,void volatile,false) +BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pointer,void const volatile,false) +#endif + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pointer,T,::cutl_details_boost::detail::is_pointer_impl::value) + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +} // namespace cutl_details_boost + +#include + +#endif // BOOST_TT_IS_POINTER_HPP_INCLUDED -- cgit v1.2.3