230 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			230 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | #if !defined(BOOST_PP_IS_ITERATING) | ||
|  | 
 | ||
|  | ///// header body | ||
|  | 
 | ||
|  | #ifndef BOOST_MPL_APPLY_HPP_INCLUDED | ||
|  | #define BOOST_MPL_APPLY_HPP_INCLUDED | ||
|  | 
 | ||
|  | // 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/apply_fwd.hpp> | ||
|  | #   include <boost/mpl/apply_wrap.hpp> | ||
|  | #   include <boost/mpl/placeholders.hpp> | ||
|  | #   include <boost/mpl/lambda.hpp> | ||
|  | #   include <boost/mpl/aux_/na.hpp> | ||
|  | #   include <boost/mpl/aux_/lambda_support.hpp> | ||
|  | #endif | ||
|  | 
 | ||
|  | #include <boost/mpl/aux_/config/use_preprocessed.hpp> | ||
|  | 
 | ||
|  | #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ | ||
|  |     && !defined(BOOST_MPL_PREPROCESSING_MODE) | ||
|  | 
 | ||
|  | #   define BOOST_MPL_PREPROCESSED_HEADER apply.hpp | ||
|  | #   include <boost/mpl/aux_/include_preprocessed.hpp> | ||
|  | 
 | ||
|  | #else | ||
|  | 
 | ||
|  | #   include <boost/mpl/limits/arity.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/default_params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp> | ||
|  | #   include <boost/mpl/aux_/preprocessor/enum.hpp> | ||
|  | #   include <boost/mpl/aux_/config/lambda.hpp> | ||
|  | #   include <boost/mpl/aux_/config/dtp.hpp> | ||
|  | #   include <boost/mpl/aux_/nttp_decl.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/comma_if.hpp> | ||
|  | #   include <boost/preprocessor/inc.hpp> | ||
|  | #   include <boost/preprocessor/iterate.hpp> | ||
|  | #   include <boost/preprocessor/cat.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace mpl { | ||
|  | 
 | ||
|  | // local macros, #undef-ined at the end of the header | ||
|  | #   define AUX778076_APPLY_PARAMS(param) \ | ||
|  |     BOOST_MPL_PP_PARAMS( \ | ||
|  |           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ | ||
|  |         , param \ | ||
|  |         ) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_APPLY_DEF_PARAMS(param, value) \ | ||
|  |     BOOST_MPL_PP_DEFAULT_PARAMS( \ | ||
|  |           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ | ||
|  |         , param \ | ||
|  |         , value \ | ||
|  |         ) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_APPLY_N_PARAMS(n, param) \ | ||
|  |     BOOST_MPL_PP_PARAMS(n, param) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \ | ||
|  |     BOOST_PP_COMMA_IF(n) \ | ||
|  |     BOOST_MPL_PP_PARAMS(n, param) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | #   define AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(n, param, def) \ | ||
|  |     BOOST_PP_COMMA_IF(n) \ | ||
|  |     BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \ | ||
|  |     /**/ | ||
|  |      | ||
|  | #   define AUX778076_APPLY_N_SPEC_PARAMS(n, param) \ | ||
|  |     BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \ | ||
|  |     /**/ | ||
|  | 
 | ||
|  | 
 | ||
|  | #define BOOST_PP_ITERATION_PARAMS_1 \ | ||
|  |     (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply.hpp>)) | ||
|  | #include BOOST_PP_ITERATE() | ||
|  | 
 | ||
|  | #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) | ||
|  | // real C++ version is already taken care of | ||
|  | #   if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  | 
 | ||
|  | namespace aux { | ||
|  | // apply_count_args | ||
|  | #define AUX778076_COUNT_ARGS_PREFIX apply | ||
|  | #define AUX778076_COUNT_ARGS_DEFAULT na | ||
|  | #define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY | ||
|  | #include <boost/mpl/aux_/count_args.hpp> | ||
|  | } | ||
|  | 
 | ||
|  | 
 | ||
|  | template< | ||
|  |       typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na) | ||
|  |     > | ||
|  | struct apply | ||
|  |     : aux::apply_chooser<  | ||
|  |           aux::apply_count_args< AUX778076_APPLY_PARAMS(T) >::value | ||
|  |         >::template result_< F, AUX778076_APPLY_PARAMS(T) >::type | ||
|  | { | ||
|  | }; | ||
|  | 
 | ||
|  | #   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | ||
|  | #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE | ||
|  | 
 | ||
|  | #   undef AUX778076_APPLY_N_SPEC_PARAMS | ||
|  | #   undef AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS | ||
|  | #   undef AUX778076_APPLY_N_COMMA_PARAMS | ||
|  | #   undef AUX778076_APPLY_N_PARAMS | ||
|  | #   undef AUX778076_APPLY_DEF_PARAMS | ||
|  | #   undef AUX778076_APPLY_PARAMS | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS | ||
|  | #endif // BOOST_MPL_APPLY_HPP_INCLUDED | ||
|  | 
 | ||
|  | ///// 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< | ||
|  |       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) | ||
|  |     > | ||
|  | struct BOOST_PP_CAT(apply,i_) | ||
|  | #if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) | ||
|  |     : BOOST_PP_CAT(apply_wrap,i_)<  | ||
|  |           typename lambda<F>::type | ||
|  |         AUX778076_APPLY_N_COMMA_PARAMS(i_, T) | ||
|  |         > | ||
|  | { | ||
|  | #else | ||
|  | { | ||
|  |     typedef typename BOOST_PP_CAT(apply_wrap,i_)<  | ||
|  |           typename lambda<F>::type | ||
|  |         AUX778076_APPLY_N_COMMA_PARAMS(i_, T) | ||
|  |         >::type type; | ||
|  | #endif | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT( | ||
|  |           BOOST_PP_INC(i_) | ||
|  |         , BOOST_PP_CAT(apply,i_) | ||
|  |         , (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T)) | ||
|  |         ) | ||
|  | }; | ||
|  | 
 | ||
|  | 
 | ||
|  | #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) | ||
|  | /// workaround for ETI bug | ||
|  | template<> | ||
|  | struct BOOST_PP_CAT(apply,i_)<AUX778076_APPLY_N_SPEC_PARAMS(i_, int)> | ||
|  | { | ||
|  |     typedef int type; | ||
|  | }; | ||
|  | #endif | ||
|  | 
 | ||
|  | #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) | ||
|  | #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | ||
|  | 
 | ||
|  | #if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY | ||
|  | /// primary template (not a specialization!) | ||
|  | template< | ||
|  |       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) | ||
|  |     > | ||
|  | struct apply | ||
|  |     : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > | ||
|  | { | ||
|  | }; | ||
|  | #else | ||
|  | template< | ||
|  |       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) | ||
|  |     > | ||
|  | struct apply< F AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(i_, T, na) > | ||
|  |     : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > | ||
|  | { | ||
|  | }; | ||
|  | #endif | ||
|  | 
 | ||
|  | #   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | ||
|  | 
 | ||
|  | #if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) | ||
|  | namespace aux { | ||
|  | 
 | ||
|  | template<> | ||
|  | struct apply_chooser<i_> | ||
|  | { | ||
|  |     template< | ||
|  |           typename F, AUX778076_APPLY_PARAMS(typename T) | ||
|  |         > | ||
|  |     struct result_ | ||
|  |     { | ||
|  |         typedef BOOST_PP_CAT(apply,i_)< | ||
|  |               F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) | ||
|  |             > type; | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | } // namespace aux | ||
|  | #endif | ||
|  | 
 | ||
|  | #   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION | ||
|  | #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE | ||
|  | 
 | ||
|  | #   undef i_ | ||
|  | 
 | ||
|  | #endif // BOOST_PP_ITERATION_DEPTH() | ||
|  | #endif // BOOST_PP_IS_ITERATING |