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| 2 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 3 | // |
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| 4 | // Distributed under the Boost Software License, Version 1.0. |
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| 5 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | // |
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| 8 | // See http://www.boost.org/libs/mpl for documentation. |
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| 9 | |
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| 10 | // $Source: /cvsroot/boost/boost/boost/mpl/aux_/msvc_dtw.hpp,v $ |
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| 11 | // $Date: 2004/09/02 15:40:43 $ |
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| 12 | // $Revision: 1.4 $ |
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| 13 | |
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| 14 | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION! |
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| 15 | |
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| 16 | #include <boost/mpl/aux_/preprocessor/params.hpp> |
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| 17 | |
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| 18 | // local macros, #undef-ined at the end of the header |
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| 19 | #define AUX778076_DTW_PARAMS(param) \ |
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| 20 | BOOST_MPL_PP_PARAMS(AUX778076_MSVC_DTW_ARITY, param) \ |
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| 21 | /**/ |
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| 22 | |
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| 23 | #define AUX778076_DTW_ORIGINAL_NAME \ |
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| 24 | AUX778076_MSVC_DTW_ORIGINAL_NAME \ |
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| 25 | /**/ |
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| 26 | |
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| 27 | // warning: not a well-formed C++ |
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| 28 | // workaround for MSVC 6.5's "dependent template typedef bug" |
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| 29 | |
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| 30 | template< typename F> |
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| 31 | struct AUX778076_MSVC_DTW_NAME |
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| 32 | { |
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| 33 | template< bool > struct f_ : F {}; |
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| 34 | template<> struct f_<true> |
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| 35 | { |
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| 36 | #if AUX778076_MSVC_DTW_ARITY > 0 |
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| 37 | template< AUX778076_DTW_PARAMS(typename P) > struct AUX778076_DTW_ORIGINAL_NAME |
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| 38 | { |
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| 39 | typedef int type; |
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| 40 | }; |
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| 41 | }; |
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| 42 | |
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| 43 | template< AUX778076_DTW_PARAMS(typename T) > struct result_ |
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| 44 | : f_< aux::msvc_never_true<F>::value > |
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| 45 | ::template AUX778076_DTW_ORIGINAL_NAME< AUX778076_DTW_PARAMS(T) > |
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| 46 | { |
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| 47 | }; |
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| 48 | #else |
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| 49 | template< typename P = int > struct AUX778076_DTW_ORIGINAL_NAME |
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| 50 | { |
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| 51 | typedef int type; |
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| 52 | }; |
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| 53 | }; |
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| 54 | |
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| 55 | template< typename T = int > struct result_ |
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| 56 | : f_< aux::msvc_never_true<F>::value > |
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| 57 | ::template AUX778076_DTW_ORIGINAL_NAME<> |
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| 58 | { |
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| 59 | }; |
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| 60 | #endif |
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| 61 | }; |
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| 62 | |
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| 63 | #undef AUX778076_DTW_ORIGINAL_NAME |
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| 64 | #undef AUX778076_DTW_PARAMS |
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| 65 | |
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| 66 | #undef AUX778076_MSVC_DTW_NAME |
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| 67 | #undef AUX778076_MSVC_DTW_ORIGINAL_NAME |
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| 68 | #undef AUX778076_MSVC_DTW_ARITY |
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