#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: apply.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ // $Revision: 49267 $ #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