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
 | 
