[1022] | 1 | |
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| 2 | #ifndef BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2001-2004 |
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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: msvc_eti_base.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_/is_msvc_eti_arg.hpp> |
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| 18 | #include <boost/mpl/aux_/config/eti.hpp> |
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| 19 | #include <boost/mpl/aux_/config/gcc.hpp> |
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| 20 | #include <boost/mpl/aux_/config/workaround.hpp> |
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| 21 | |
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| 22 | namespace boost { namespace mpl { namespace aux { |
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| 23 | |
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| 24 | #if defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) |
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| 25 | |
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| 26 | template< bool > struct msvc_eti_base_impl |
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| 27 | { |
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| 28 | template< typename T > struct result_ |
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| 29 | : T |
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| 30 | { |
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| 31 | typedef T type; |
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| 32 | }; |
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| 33 | }; |
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| 34 | |
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| 35 | template<> struct msvc_eti_base_impl<true> |
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| 36 | { |
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| 37 | template< typename T > struct result_ |
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| 38 | { |
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| 39 | typedef result_ type; |
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| 40 | typedef result_ first; |
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| 41 | typedef result_ second; |
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| 42 | typedef result_ tag; |
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| 43 | enum { value = 0 }; |
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| 44 | }; |
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| 45 | }; |
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| 46 | |
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| 47 | template< typename T > struct msvc_eti_base |
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| 48 | : msvc_eti_base_impl< is_msvc_eti_arg<T>::value > |
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| 49 | ::template result_<T> |
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| 50 | { |
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| 51 | }; |
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| 52 | |
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| 53 | #else // !BOOST_MPL_CFG_MSVC_70_ETI_BUG |
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| 54 | |
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| 55 | template< typename T > struct msvc_eti_base |
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| 56 | : T |
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| 57 | { |
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| 58 | #if BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) |
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| 59 | msvc_eti_base(); |
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| 60 | #endif |
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| 61 | typedef T type; |
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| 62 | }; |
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| 63 | |
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| 64 | #endif |
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| 65 | |
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| 66 | template<> struct msvc_eti_base<int> |
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| 67 | { |
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| 68 | typedef msvc_eti_base type; |
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| 69 | typedef msvc_eti_base first; |
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| 70 | typedef msvc_eti_base second; |
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| 71 | typedef msvc_eti_base tag; |
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| 72 | enum { value = 0 }; |
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| 73 | }; |
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| 74 | |
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| 75 | }}} |
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| 76 | |
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| 77 | #endif // BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
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