williamr@4: williamr@4: #if !defined(BOOST_PP_IS_ITERATING) williamr@4: williamr@4: ///// header body williamr@4: williamr@4: #ifndef BOOST_MPL_APPLY_HPP_INCLUDED williamr@4: #define BOOST_MPL_APPLY_HPP_INCLUDED williamr@4: williamr@4: // Copyright Aleksey Gurtovoy 2000-2004 williamr@4: // williamr@4: // Distributed under the Boost Software License, Version 1.0. williamr@4: // (See accompanying file LICENSE_1_0.txt or copy at williamr@4: // http://www.boost.org/LICENSE_1_0.txt) williamr@4: // williamr@4: // See http://www.boost.org/libs/mpl for documentation. williamr@4: williamr@4: // $Source: /cvsroot/boost/boost/boost/mpl/apply.hpp,v $ williamr@4: // $Date: 2004/09/02 15:40:41 $ williamr@4: // $Revision: 1.17 $ williamr@4: williamr@4: #if !defined(BOOST_MPL_PREPROCESSING_MODE) williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: #endif williamr@4: williamr@4: #include williamr@4: williamr@4: #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ williamr@4: && !defined(BOOST_MPL_PREPROCESSING_MODE) williamr@4: williamr@4: # define BOOST_MPL_PREPROCESSED_HEADER apply.hpp williamr@4: # include williamr@4: williamr@4: #else williamr@4: williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: # include williamr@4: williamr@4: namespace boost { namespace mpl { williamr@4: williamr@4: // local macros, #undef-ined at the end of the header williamr@4: # define AUX778076_APPLY_PARAMS(param) \ williamr@4: BOOST_MPL_PP_PARAMS( \ williamr@4: BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ williamr@4: , param \ williamr@4: ) \ williamr@4: /**/ williamr@4: williamr@4: # define AUX778076_APPLY_DEF_PARAMS(param, value) \ williamr@4: BOOST_MPL_PP_DEFAULT_PARAMS( \ williamr@4: BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ williamr@4: , param \ williamr@4: , value \ williamr@4: ) \ williamr@4: /**/ williamr@4: williamr@4: # define AUX778076_APPLY_N_PARAMS(n, param) \ williamr@4: BOOST_MPL_PP_PARAMS(n, param) \ williamr@4: /**/ williamr@4: williamr@4: # define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \ williamr@4: BOOST_PP_COMMA_IF(n) \ williamr@4: BOOST_MPL_PP_PARAMS(n, param) \ williamr@4: /**/ williamr@4: williamr@4: # define AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(n, param, def) \ williamr@4: BOOST_PP_COMMA_IF(n) \ williamr@4: BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \ williamr@4: /**/ williamr@4: williamr@4: # define AUX778076_APPLY_N_SPEC_PARAMS(n, param) \ williamr@4: BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \ williamr@4: /**/ williamr@4: williamr@4: williamr@4: #define BOOST_PP_ITERATION_PARAMS_1 \ williamr@4: (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, )) williamr@4: #include BOOST_PP_ITERATE() williamr@4: williamr@4: # if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) williamr@4: // real C++ version is already taken care of williamr@4: # if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) williamr@4: williamr@4: namespace aux { williamr@4: // apply_count_args williamr@4: #define AUX778076_COUNT_ARGS_PREFIX apply williamr@4: #define AUX778076_COUNT_ARGS_DEFAULT na williamr@4: #define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY williamr@4: #include williamr@4: } williamr@4: williamr@4: williamr@4: template< williamr@4: typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na) williamr@4: > williamr@4: struct apply williamr@4: : aux::apply_chooser< williamr@4: aux::apply_count_args< AUX778076_APPLY_PARAMS(T) >::value williamr@4: >::template result_< F, AUX778076_APPLY_PARAMS(T) >::type williamr@4: { williamr@4: }; williamr@4: williamr@4: # endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION williamr@4: # endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE williamr@4: williamr@4: # undef AUX778076_APPLY_N_SPEC_PARAMS williamr@4: # undef AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS williamr@4: # undef AUX778076_APPLY_N_COMMA_PARAMS williamr@4: # undef AUX778076_APPLY_N_PARAMS williamr@4: # undef AUX778076_APPLY_DEF_PARAMS williamr@4: # undef AUX778076_APPLY_PARAMS williamr@4: williamr@4: }} williamr@4: williamr@4: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS williamr@4: #endif // BOOST_MPL_APPLY_HPP_INCLUDED williamr@4: williamr@4: ///// iteration, depth == 1 williamr@4: williamr@4: #elif BOOST_PP_ITERATION_DEPTH() == 1 williamr@4: williamr@4: # define i_ BOOST_PP_FRAME_ITERATION(1) williamr@4: williamr@4: template< williamr@4: typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) williamr@4: > williamr@4: struct BOOST_PP_CAT(apply,i_) williamr@4: #if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) williamr@4: : BOOST_PP_CAT(apply_wrap,i_)< williamr@4: typename lambda::type williamr@4: AUX778076_APPLY_N_COMMA_PARAMS(i_, T) williamr@4: > williamr@4: { williamr@4: #else williamr@4: { williamr@4: typedef typename BOOST_PP_CAT(apply_wrap,i_)< williamr@4: typename lambda::type williamr@4: AUX778076_APPLY_N_COMMA_PARAMS(i_, T) williamr@4: >::type type; williamr@4: #endif williamr@4: BOOST_MPL_AUX_LAMBDA_SUPPORT( williamr@4: BOOST_PP_INC(i_) williamr@4: , BOOST_PP_CAT(apply,i_) williamr@4: , (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T)) williamr@4: ) williamr@4: }; williamr@4: williamr@4: williamr@4: #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) williamr@4: /// workaround for ETI bug williamr@4: template<> williamr@4: struct BOOST_PP_CAT(apply,i_) williamr@4: { williamr@4: typedef int type; williamr@4: }; williamr@4: #endif williamr@4: williamr@4: # if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) williamr@4: # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) williamr@4: williamr@4: #if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY williamr@4: /// primary template (not a specialization!) williamr@4: template< williamr@4: typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) williamr@4: > williamr@4: struct apply williamr@4: : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > williamr@4: { williamr@4: }; williamr@4: #else williamr@4: template< williamr@4: typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) williamr@4: > williamr@4: struct apply< F AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(i_, T, na) > williamr@4: : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > williamr@4: { williamr@4: }; williamr@4: #endif williamr@4: williamr@4: # else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION williamr@4: williamr@4: #if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) williamr@4: namespace aux { williamr@4: williamr@4: template<> williamr@4: struct apply_chooser williamr@4: { williamr@4: template< williamr@4: typename F, AUX778076_APPLY_PARAMS(typename T) williamr@4: > williamr@4: struct result_ williamr@4: { williamr@4: typedef BOOST_PP_CAT(apply,i_)< williamr@4: F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) williamr@4: > type; williamr@4: }; williamr@4: }; williamr@4: williamr@4: } // namespace aux williamr@4: #endif williamr@4: williamr@4: # endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION williamr@4: # endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE williamr@4: williamr@4: # undef i_ williamr@4: williamr@4: #endif // BOOST_PP_IS_ITERATING