166 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			166 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | // Copyright Aleksey Gurtovoy 2000-2004 | ||
|  | // | ||
|  | // Distributed under 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/mpl for documentation. | ||
|  | 
 | ||
|  | // $Id$ | ||
|  | // $Date$ | ||
|  | // $Revision$ | ||
|  | 
 | ||
|  | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION! | ||
|  | 
 | ||
|  | #if !defined(BOOST_MPL_PREPROCESSING_MODE) | ||
|  | #   include <boost/mpl/bool.hpp> | ||
|  | #   include <boost/mpl/aux_/nested_type_wknd.hpp> | ||
|  | #   include <boost/mpl/aux_/na_spec.hpp> | ||
|  | #   include <boost/mpl/aux_/lambda_support.hpp> | ||
|  | #endif | ||
|  | 
 | ||
|  | #include <boost/mpl/limits/arity.hpp> | ||
|  | #include <boost/mpl/aux_/preprocessor/params.hpp> | ||
|  | #include <boost/mpl/aux_/preprocessor/ext_params.hpp> | ||
|  | #include <boost/mpl/aux_/preprocessor/def_params_tail.hpp> | ||
|  | #include <boost/mpl/aux_/preprocessor/enum.hpp> | ||
|  | #include <boost/mpl/aux_/preprocessor/sub.hpp> | ||
|  | #include <boost/mpl/aux_/config/ctps.hpp> | ||
|  | #include <boost/mpl/aux_/config/workaround.hpp> | ||
|  | 
 | ||
|  | #include <boost/preprocessor/dec.hpp> | ||
|  | #include <boost/preprocessor/inc.hpp> | ||
|  | #include <boost/preprocessor/cat.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace mpl { | ||
|  | 
 | ||
|  | #   define AUX778076_PARAMS(param, sub) \ | ||
|  |     BOOST_MPL_PP_PARAMS( \ | ||
|  |           BOOST_MPL_PP_SUB(BOOST_MPL_LIMIT_METAFUNCTION_ARITY, sub) \ | ||
|  |         , param \ | ||
|  |         ) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_SHIFTED_PARAMS(param, sub) \ | ||
|  |     BOOST_MPL_PP_EXT_PARAMS( \ | ||
|  |           2, BOOST_MPL_PP_SUB(BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY), sub) \ | ||
|  |         , param \ | ||
|  |         ) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_SPEC_PARAMS(param) \ | ||
|  |     BOOST_MPL_PP_ENUM( \ | ||
|  |           BOOST_PP_DEC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY) \ | ||
|  |         , param \ | ||
|  |         ) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | namespace aux { | ||
|  | 
 | ||
|  | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  | 
 | ||
|  | template< bool C_, AUX778076_PARAMS(typename T, 1) > | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,impl) | ||
|  |     : BOOST_PP_CAT(AUX778076_OP_VALUE1,_) | ||
|  | { | ||
|  | }; | ||
|  | 
 | ||
|  | template< AUX778076_PARAMS(typename T, 1) > | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,impl)< AUX778076_OP_VALUE2,AUX778076_PARAMS(T, 1) > | ||
|  |     : BOOST_PP_CAT(AUX778076_OP_NAME,impl)< | ||
|  |           BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value | ||
|  |         , AUX778076_SHIFTED_PARAMS(T, 1) | ||
|  |         , BOOST_PP_CAT(AUX778076_OP_VALUE2,_) | ||
|  |         > | ||
|  | { | ||
|  | }; | ||
|  | 
 | ||
|  | template<> | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,impl)< | ||
|  |           AUX778076_OP_VALUE2 | ||
|  |         , AUX778076_SPEC_PARAMS(BOOST_PP_CAT(AUX778076_OP_VALUE2,_)) | ||
|  |         > | ||
|  |     : BOOST_PP_CAT(AUX778076_OP_VALUE2,_) | ||
|  | { | ||
|  | }; | ||
|  | 
 | ||
|  | #else | ||
|  | 
 | ||
|  | template< bool C_ > struct BOOST_PP_CAT(AUX778076_OP_NAME,impl) | ||
|  | { | ||
|  |     template< AUX778076_PARAMS(typename T, 1) > struct result_ | ||
|  |         : BOOST_PP_CAT(AUX778076_OP_VALUE1,_) | ||
|  |     { | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | template<> struct BOOST_PP_CAT(AUX778076_OP_NAME,impl)<AUX778076_OP_VALUE2> | ||
|  | { | ||
|  |     template< AUX778076_PARAMS(typename T, 1) > struct result_ | ||
|  |         : BOOST_PP_CAT(AUX778076_OP_NAME,impl)<  | ||
|  |               BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value | ||
|  |             >::template result_< AUX778076_SHIFTED_PARAMS(T,1),BOOST_PP_CAT(AUX778076_OP_VALUE2,_) > | ||
|  |     { | ||
|  |     }; | ||
|  | 
 | ||
|  | #if BOOST_WORKAROUND(BOOST_MSVC, == 1300) | ||
|  |     template<> struct result_<AUX778076_SPEC_PARAMS(BOOST_PP_CAT(AUX778076_OP_VALUE2,_))> | ||
|  |         : BOOST_PP_CAT(AUX778076_OP_VALUE2,_) | ||
|  |     { | ||
|  |     }; | ||
|  | }; | ||
|  | #else | ||
|  | }; | ||
|  | 
 | ||
|  | template<> | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,impl)<AUX778076_OP_VALUE2> | ||
|  |     ::result_< AUX778076_SPEC_PARAMS(BOOST_PP_CAT(AUX778076_OP_VALUE2,_)) > | ||
|  |         : BOOST_PP_CAT(AUX778076_OP_VALUE2,_) | ||
|  | { | ||
|  | }; | ||
|  | #endif // BOOST_MSVC == 1300 | ||
|  | 
 | ||
|  | #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | ||
|  | 
 | ||
|  | } // namespace aux | ||
|  | 
 | ||
|  | template< | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(T1) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(T2) | ||
|  |     BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename T, BOOST_PP_CAT(AUX778076_OP_VALUE2,_)) | ||
|  |     > | ||
|  | struct AUX778076_OP_NAME | ||
|  | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  |     : aux::BOOST_PP_CAT(AUX778076_OP_NAME,impl)< | ||
|  |           BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value | ||
|  |         , AUX778076_SHIFTED_PARAMS(T,0) | ||
|  |         > | ||
|  | #else | ||
|  |     : aux::BOOST_PP_CAT(AUX778076_OP_NAME,impl)<  | ||
|  |           BOOST_MPL_AUX_NESTED_TYPE_WKND(T1)::value | ||
|  |         >::template result_< AUX778076_SHIFTED_PARAMS(T,0) > | ||
|  | #endif | ||
|  | { | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT( | ||
|  |           BOOST_MPL_LIMIT_METAFUNCTION_ARITY | ||
|  |         , AUX778076_OP_NAME | ||
|  |         , (AUX778076_PARAMS(T, 0)) | ||
|  |         ) | ||
|  | }; | ||
|  | 
 | ||
|  | BOOST_MPL_AUX_NA_SPEC2( | ||
|  |       2 | ||
|  |     , BOOST_MPL_LIMIT_METAFUNCTION_ARITY | ||
|  |     , AUX778076_OP_NAME | ||
|  |     ) | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #undef AUX778076_SPEC_PARAMS | ||
|  | #undef AUX778076_SHIFTED_PARAMS | ||
|  | #undef AUX778076_PARAMS | ||
|  | #undef AUX778076_OP_NAME | ||
|  | #undef AUX778076_OP_VALUE1 | ||
|  | #undef AUX778076_OP_VALUE2 |