[3428] | 1 | |
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| 2 | #ifndef BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2002-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Id: has_rebind.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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| 14 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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| 15 | // $Revision: 49267 $ |
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| 16 | |
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| 17 | #include <boost/mpl/aux_/config/msvc.hpp> |
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| 18 | #include <boost/mpl/aux_/config/intel.hpp> |
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| 19 | #include <boost/mpl/aux_/config/workaround.hpp> |
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| 20 | |
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| 21 | #if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION) |
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| 22 | # include <boost/mpl/has_xxx.hpp> |
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| 23 | #elif BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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| 24 | # include <boost/mpl/has_xxx.hpp> |
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| 25 | # include <boost/mpl/if.hpp> |
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| 26 | # include <boost/mpl/bool.hpp> |
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| 27 | # include <boost/mpl/aux_/msvc_is_class.hpp> |
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| 28 | #elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) |
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| 29 | # include <boost/mpl/if.hpp> |
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| 30 | # include <boost/mpl/bool.hpp> |
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| 31 | # include <boost/mpl/aux_/yes_no.hpp> |
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| 32 | # include <boost/mpl/aux_/config/static_constant.hpp> |
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| 33 | # include <boost/type_traits/is_class.hpp> |
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| 34 | #else |
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| 35 | # include <boost/mpl/aux_/type_wrapper.hpp> |
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| 36 | # include <boost/mpl/aux_/yes_no.hpp> |
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| 37 | # include <boost/mpl/aux_/config/static_constant.hpp> |
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| 38 | #endif |
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| 39 | |
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| 40 | namespace boost { namespace mpl { namespace aux { |
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| 41 | |
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| 42 | #if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION) |
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| 43 | |
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| 44 | BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind, rebind, false) |
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| 45 | |
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| 46 | #elif BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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| 47 | |
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| 48 | BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind_impl, rebind, false) |
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| 49 | |
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| 50 | template< typename T > |
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| 51 | struct has_rebind |
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| 52 | : if_< |
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| 53 | msvc_is_class<T> |
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| 54 | , has_rebind_impl<T> |
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| 55 | , bool_<false> |
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| 56 | >::type |
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| 57 | { |
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| 58 | }; |
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| 59 | |
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| 60 | #else // the rest |
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| 61 | |
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| 62 | template< typename T > struct has_rebind_tag {}; |
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| 63 | no_tag operator|(has_rebind_tag<int>, void const volatile*); |
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| 64 | |
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| 65 | # if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610)) |
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| 66 | template< typename T > |
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| 67 | struct has_rebind |
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| 68 | { |
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| 69 | static has_rebind_tag<T>* get(); |
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| 70 | BOOST_STATIC_CONSTANT(bool, value = |
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| 71 | sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag) |
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| 72 | ); |
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| 73 | }; |
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| 74 | # else // __BORLANDC__ |
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| 75 | template< typename T > |
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| 76 | struct has_rebind_impl |
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| 77 | { |
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| 78 | static T* get(); |
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| 79 | BOOST_STATIC_CONSTANT(bool, value = |
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| 80 | sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag) |
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| 81 | ); |
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| 82 | }; |
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| 83 | |
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| 84 | template< typename T > |
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| 85 | struct has_rebind |
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| 86 | : if_< |
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| 87 | is_class<T> |
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| 88 | , has_rebind_impl<T> |
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| 89 | , bool_<false> |
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| 90 | >::type |
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| 91 | { |
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| 92 | }; |
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| 93 | # endif // __BORLANDC__ |
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| 94 | |
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| 95 | #endif |
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| 96 | |
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| 97 | }}} |
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| 98 | |
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| 99 | #endif // BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED |
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