316 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			316 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | #if !defined(BOOST_PP_IS_ITERATING) | ||
|  | 
 | ||
|  | ///// header body | ||
|  | 
 | ||
|  | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION! | ||
|  | 
 | ||
|  | // 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. | ||
|  | 
 | ||
|  | // $Id$ | ||
|  | // $Date$ | ||
|  | // $Revision$ | ||
|  | 
 | ||
|  | #if !defined(BOOST_MPL_PREPROCESSING_MODE) | ||
|  | #   include <boost/mpl/numeric_cast.hpp> | ||
|  | #   include <boost/mpl/apply_wrap.hpp> | ||
|  | #   include <boost/mpl/if.hpp> | ||
|  | #   include <boost/mpl/tag.hpp> | ||
|  | #   include <boost/mpl/aux_/numeric_cast_utils.hpp> | ||
|  | #   include <boost/mpl/aux_/na.hpp> | ||
|  | #   include <boost/mpl/aux_/na_spec.hpp> | ||
|  | #   include <boost/mpl/aux_/lambda_support.hpp> | ||
|  | #   include <boost/mpl/aux_/msvc_eti_base.hpp> | ||
|  | #   include <boost/mpl/aux_/value_wknd.hpp> | ||
|  | #   include <boost/mpl/aux_/config/eti.hpp> | ||
|  | #   include <boost/mpl/aux_/nttp_decl.hpp> | ||
|  | #endif | ||
|  | 
 | ||
|  | #include <boost/mpl/aux_/config/static_constant.hpp> | ||
|  | 
 | ||
|  | #if defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ | ||
|  |     || defined(BOOST_MPL_PREPROCESSING_MODE) | ||
|  | 
 | ||
|  | #   include <boost/mpl/limits/arity.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/def_params_tail.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/repeat.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/ext_params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/enum.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/add.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/sub.hpp> | ||
|  | #   include <boost/mpl/aux_/config/ctps.hpp> | ||
|  | #   include <boost/mpl/aux_/config/eti.hpp> | ||
|  | #   include <boost/mpl/aux_/config/msvc.hpp> | ||
|  | #   include <boost/mpl/aux_/config/workaround.hpp> | ||
|  | 
 | ||
|  | #   include <boost/preprocessor/dec.hpp> | ||
|  | #   include <boost/preprocessor/inc.hpp> | ||
|  | #   include <boost/preprocessor/iterate.hpp> | ||
|  | #   include <boost/preprocessor/cat.hpp> | ||
|  | 
 | ||
|  | 
 | ||
|  | #if !defined(AUX778076_OP_ARITY) | ||
|  | #   define AUX778076_OP_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY | ||
|  | #endif | ||
|  | 
 | ||
|  | #if !defined(AUX778076_OP_IMPL_NAME) | ||
|  | #   define AUX778076_OP_IMPL_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_impl) | ||
|  | #endif | ||
|  | 
 | ||
|  | #if !defined(AUX778076_OP_TAG_NAME) | ||
|  | #   define AUX778076_OP_TAG_NAME BOOST_PP_CAT(AUX778076_OP_PREFIX,_tag) | ||
|  | #endif | ||
|  | 
 | ||
|  | namespace boost { namespace mpl { | ||
|  | 
 | ||
|  | template<  | ||
|  |       typename Tag1 | ||
|  |     , typename Tag2 | ||
|  | #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | ||
|  |     , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value  | ||
|  |     , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value  | ||
|  |     > | ||
|  | struct AUX778076_OP_IMPL_NAME | ||
|  |     : if_c< | ||
|  |           ( tag1_ > tag2_ ) | ||
|  | #else | ||
|  |     > | ||
|  | struct AUX778076_OP_IMPL_NAME | ||
|  |     : if_c< | ||
|  |           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1) | ||
|  |               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2) | ||
|  |             ) | ||
|  | #endif | ||
|  |         , aux::cast2nd_impl< AUX778076_OP_IMPL_NAME<Tag1,Tag1>,Tag1,Tag2 > | ||
|  |         , aux::cast1st_impl< AUX778076_OP_IMPL_NAME<Tag2,Tag2>,Tag1,Tag2 > | ||
|  |         >::type | ||
|  | { | ||
|  | }; | ||
|  | 
 | ||
|  | /// for Digital Mars C++/compilers with no CTPS/TTP support | ||
|  | template<> struct AUX778076_OP_IMPL_NAME<na,na> | ||
|  | { | ||
|  |     template< typename U1, typename U2 > struct apply  | ||
|  |     { | ||
|  |         typedef apply type; | ||
|  |         BOOST_STATIC_CONSTANT(int, value = 0); | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  | template< typename Tag > struct AUX778076_OP_IMPL_NAME<na,Tag> | ||
|  | { | ||
|  |     template< typename U1, typename U2 > struct apply  | ||
|  |     { | ||
|  |         typedef apply type; | ||
|  |         BOOST_STATIC_CONSTANT(int, value = 0); | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | template< typename Tag > struct AUX778076_OP_IMPL_NAME<Tag,na> | ||
|  | { | ||
|  |     template< typename U1, typename U2 > struct apply  | ||
|  |     { | ||
|  |         typedef apply type; | ||
|  |         BOOST_STATIC_CONSTANT(int, value = 0); | ||
|  |     }; | ||
|  | }; | ||
|  | #else | ||
|  | template<> struct AUX778076_OP_IMPL_NAME<na,integral_c_tag> | ||
|  | { | ||
|  |     template< typename U1, typename U2 > struct apply  | ||
|  |     { | ||
|  |         typedef apply type; | ||
|  |         BOOST_STATIC_CONSTANT(int, value = 0); | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | template<> struct AUX778076_OP_IMPL_NAME<integral_c_tag,na> | ||
|  | { | ||
|  |     template< typename U1, typename U2 > struct apply  | ||
|  |     { | ||
|  |         typedef apply type; | ||
|  |         BOOST_STATIC_CONSTANT(int, value = 0); | ||
|  |     }; | ||
|  | }; | ||
|  | #endif | ||
|  | 
 | ||
|  | 
 | ||
|  | #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \ | ||
|  |     && BOOST_WORKAROUND(BOOST_MSVC, >= 1300) | ||
|  | template< typename T > struct AUX778076_OP_TAG_NAME | ||
|  |     : tag<T,na> | ||
|  | { | ||
|  | }; | ||
|  | #else | ||
|  | template< typename T > struct AUX778076_OP_TAG_NAME | ||
|  | { | ||
|  |     typedef typename T::tag type; | ||
|  | }; | ||
|  | #endif | ||
|  | 
 | ||
|  | 
 | ||
|  | #if AUX778076_OP_ARITY != 2 | ||
|  | 
 | ||
|  | #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  | 
 | ||
|  | #   define AUX778076_OP_RIGHT_OPERAND(unused, i, N) , BOOST_PP_CAT(N, BOOST_MPL_PP_ADD(i, 2))> | ||
|  | #   define AUX778076_OP_N_CALLS(i, N) \ | ||
|  |     BOOST_MPL_PP_REPEAT( BOOST_PP_DEC(i), BOOST_MPL_PP_REPEAT_IDENTITY_FUNC, AUX778076_OP_NAME< ) \ | ||
|  |     N1 BOOST_MPL_PP_REPEAT( BOOST_MPL_PP_SUB(i, 1), AUX778076_OP_RIGHT_OPERAND, N ) \ | ||
|  | /**/ | ||
|  | 
 | ||
|  | template< | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(N1) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(N2) | ||
|  |     BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na) | ||
|  |     > | ||
|  | struct AUX778076_OP_NAME | ||
|  |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N) | ||
|  | { | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT( | ||
|  |           AUX778076_OP_ARITY | ||
|  |         , AUX778076_OP_NAME | ||
|  |         , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) ) | ||
|  |         ) | ||
|  | }; | ||
|  | 
 | ||
|  | #define BOOST_PP_ITERATION_PARAMS_1 \ | ||
|  |     (3,( BOOST_PP_DEC(AUX778076_OP_ARITY), 2, <boost/mpl/aux_/numeric_op.hpp> )) | ||
|  | #include BOOST_PP_ITERATE() | ||
|  | 
 | ||
|  | #   undef AUX778076_OP_N_CALLS | ||
|  | #   undef AUX778076_OP_RIGHT_OPERAND | ||
|  | 
 | ||
|  | #   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | ||
|  | 
 | ||
|  | /// forward declaration | ||
|  | template<  | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(N1) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(N2) | ||
|  |     > | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,2); | ||
|  | 
 | ||
|  | template< | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(N1) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(N2) | ||
|  |     BOOST_MPL_PP_DEF_PARAMS_TAIL(2, typename N, na) | ||
|  |     > | ||
|  | struct AUX778076_OP_NAME | ||
|  | #if BOOST_WORKAROUND(BOOST_MSVC, == 1300) | ||
|  |     : aux::msvc_eti_base< typename if_< | ||
|  | #else | ||
|  |     : if_< | ||
|  | #endif | ||
|  |           is_na<N3> | ||
|  |         , BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2> | ||
|  |         , AUX778076_OP_NAME< | ||
|  |               BOOST_PP_CAT(AUX778076_OP_NAME,2)<N1,N2> | ||
|  |             , BOOST_MPL_PP_EXT_PARAMS(3, BOOST_PP_INC(AUX778076_OP_ARITY), N) | ||
|  |             > | ||
|  |         >::type | ||
|  | #if BOOST_WORKAROUND(BOOST_MSVC, == 1300) | ||
|  |     > | ||
|  | #endif | ||
|  | { | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT( | ||
|  |           AUX778076_OP_ARITY | ||
|  |         , AUX778076_OP_NAME | ||
|  |         , ( BOOST_MPL_PP_PARAMS(AUX778076_OP_ARITY, N) ) | ||
|  |         ) | ||
|  | }; | ||
|  | 
 | ||
|  | template<  | ||
|  |       typename N1 | ||
|  |     , typename N2 | ||
|  |     > | ||
|  | struct BOOST_PP_CAT(AUX778076_OP_NAME,2) | ||
|  | 
 | ||
|  | #endif | ||
|  | 
 | ||
|  | #else // AUX778076_OP_ARITY == 2 | ||
|  | 
 | ||
|  | template<  | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(N1) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(N2) | ||
|  |     > | ||
|  | struct AUX778076_OP_NAME | ||
|  | 
 | ||
|  | #endif | ||
|  | 
 | ||
|  | #if !defined(BOOST_MPL_CFG_MSVC_ETI_BUG) | ||
|  |     : AUX778076_OP_IMPL_NAME< | ||
|  |           typename AUX778076_OP_TAG_NAME<N1>::type | ||
|  |         , typename AUX778076_OP_TAG_NAME<N2>::type | ||
|  |         >::template apply<N1,N2>::type | ||
|  | #else | ||
|  |     : aux::msvc_eti_base< typename apply_wrap2< | ||
|  |           AUX778076_OP_IMPL_NAME< | ||
|  |               typename AUX778076_OP_TAG_NAME<N1>::type | ||
|  |             , typename AUX778076_OP_TAG_NAME<N2>::type | ||
|  |             > | ||
|  |         , N1 | ||
|  |         , N2 | ||
|  |         >::type >::type | ||
|  | #endif | ||
|  | { | ||
|  | #if AUX778076_OP_ARITY != 2 | ||
|  | 
 | ||
|  | #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC( | ||
|  |           AUX778076_OP_ARITY | ||
|  |         , AUX778076_OP_NAME | ||
|  |         , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(2, N, na) ) | ||
|  |         ) | ||
|  | #   else | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, BOOST_PP_CAT(AUX778076_OP_NAME,2), (N1, N2)) | ||
|  | #   endif | ||
|  | 
 | ||
|  | #else | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, AUX778076_OP_NAME, (N1, N2)) | ||
|  | #endif | ||
|  | }; | ||
|  | 
 | ||
|  | BOOST_MPL_AUX_NA_SPEC2(2, AUX778076_OP_ARITY, AUX778076_OP_NAME) | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS | ||
|  | 
 | ||
|  | ///// iteration, depth == 1 | ||
|  | 
 | ||
|  | // For gcc 4.4 compatability, we must include the | ||
|  | // BOOST_PP_ITERATION_DEPTH test inside an #else clause. | ||
|  | #else // BOOST_PP_IS_ITERATING | ||
|  | #if BOOST_PP_ITERATION_DEPTH() == 1 | ||
|  | 
 | ||
|  | #   define i_ BOOST_PP_FRAME_ITERATION(1) | ||
|  | 
 | ||
|  | template< | ||
|  |       BOOST_MPL_PP_PARAMS(i_, typename N) | ||
|  |     > | ||
|  | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)> | ||
|  | #if i_ != 2 | ||
|  |     : AUX778076_OP_N_CALLS(i_, N) | ||
|  | { | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC( | ||
|  |           AUX778076_OP_ARITY | ||
|  |         , AUX778076_OP_NAME | ||
|  |         , ( BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na) ) | ||
|  |         ) | ||
|  | }; | ||
|  | #endif | ||
|  | 
 | ||
|  | #   undef i_ | ||
|  | 
 | ||
|  | #endif // BOOST_PP_ITERATION_DEPTH() | ||
|  | #endif // BOOST_PP_IS_ITERATING |