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229 lines
5.9 KiB
229 lines
5.9 KiB
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#if !defined(BOOST_PP_IS_ITERATING) |
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///// header body |
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#ifndef BOOST_MPL_APPLY_HPP_INCLUDED |
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#define BOOST_MPL_APPLY_HPP_INCLUDED |
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// Copyright Aleksey Gurtovoy 2000-2004 |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// See http://www.boost.org/libs/mpl for documentation. |
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// $Id$ |
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// $Date$ |
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// $Revision$ |
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#if !defined(BOOST_MPL_PREPROCESSING_MODE) |
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# include <boost/mpl/apply_fwd.hpp> |
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# include <boost/mpl/apply_wrap.hpp> |
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# include <boost/mpl/placeholders.hpp> |
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# include <boost/mpl/lambda.hpp> |
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# include <boost/mpl/aux_/na.hpp> |
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# include <boost/mpl/aux_/lambda_support.hpp> |
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#endif |
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#include <boost/mpl/aux_/config/use_preprocessed.hpp> |
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#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ |
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&& !defined(BOOST_MPL_PREPROCESSING_MODE) |
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# define BOOST_MPL_PREPROCESSED_HEADER apply.hpp |
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# include <boost/mpl/aux_/include_preprocessed.hpp> |
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#else |
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# include <boost/mpl/limits/arity.hpp> |
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# include <boost/mpl/aux_/preprocessor/params.hpp> |
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# include <boost/mpl/aux_/preprocessor/default_params.hpp> |
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# include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp> |
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# include <boost/mpl/aux_/preprocessor/enum.hpp> |
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# include <boost/mpl/aux_/config/lambda.hpp> |
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# include <boost/mpl/aux_/config/dtp.hpp> |
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# include <boost/mpl/aux_/nttp_decl.hpp> |
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# include <boost/mpl/aux_/config/eti.hpp> |
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# include <boost/mpl/aux_/config/msvc.hpp> |
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# include <boost/mpl/aux_/config/workaround.hpp> |
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# include <boost/preprocessor/comma_if.hpp> |
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# include <boost/preprocessor/inc.hpp> |
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# include <boost/preprocessor/iterate.hpp> |
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# include <boost/preprocessor/cat.hpp> |
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namespace boost { namespace mpl { |
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// local macros, #undef-ined at the end of the header |
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# define AUX778076_APPLY_PARAMS(param) \ |
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BOOST_MPL_PP_PARAMS( \ |
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BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ |
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, param \ |
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) \ |
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/**/ |
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# define AUX778076_APPLY_DEF_PARAMS(param, value) \ |
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BOOST_MPL_PP_DEFAULT_PARAMS( \ |
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BOOST_MPL_LIMIT_METAFUNCTION_ARITY \ |
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, param \ |
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, value \ |
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) \ |
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/**/ |
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# define AUX778076_APPLY_N_PARAMS(n, param) \ |
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BOOST_MPL_PP_PARAMS(n, param) \ |
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/**/ |
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# define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \ |
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BOOST_PP_COMMA_IF(n) \ |
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BOOST_MPL_PP_PARAMS(n, param) \ |
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/**/ |
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# define AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(n, param, def) \ |
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BOOST_PP_COMMA_IF(n) \ |
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BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \ |
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/**/ |
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# define AUX778076_APPLY_N_SPEC_PARAMS(n, param) \ |
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BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \ |
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/**/ |
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#define BOOST_PP_ITERATION_PARAMS_1 \ |
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(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply.hpp>)) |
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#include BOOST_PP_ITERATE() |
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# if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) |
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// real C++ version is already taken care of |
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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namespace aux { |
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// apply_count_args |
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#define AUX778076_COUNT_ARGS_PREFIX apply |
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#define AUX778076_COUNT_ARGS_DEFAULT na |
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#define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY |
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#include <boost/mpl/aux_/count_args.hpp> |
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} |
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template< |
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typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na) |
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> |
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struct apply |
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: aux::apply_chooser< |
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aux::apply_count_args< AUX778076_APPLY_PARAMS(T) >::value |
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>::template result_< F, AUX778076_APPLY_PARAMS(T) >::type |
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{ |
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}; |
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# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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# endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE |
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# undef AUX778076_APPLY_N_SPEC_PARAMS |
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# undef AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS |
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# undef AUX778076_APPLY_N_COMMA_PARAMS |
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# undef AUX778076_APPLY_N_PARAMS |
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# undef AUX778076_APPLY_DEF_PARAMS |
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# undef AUX778076_APPLY_PARAMS |
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}} |
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#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS |
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#endif // BOOST_MPL_APPLY_HPP_INCLUDED |
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///// iteration, depth == 1 |
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// For gcc 4.4 compatability, we must include the |
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// BOOST_PP_ITERATION_DEPTH test inside an #else clause. |
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#else // BOOST_PP_IS_ITERATING |
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#if BOOST_PP_ITERATION_DEPTH() == 1 |
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# define i_ BOOST_PP_FRAME_ITERATION(1) |
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template< |
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typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) |
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> |
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struct BOOST_PP_CAT(apply,i_) |
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#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300) |
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: BOOST_PP_CAT(apply_wrap,i_)< |
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typename lambda<F>::type |
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AUX778076_APPLY_N_COMMA_PARAMS(i_, T) |
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> |
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{ |
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#else |
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{ |
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typedef typename BOOST_PP_CAT(apply_wrap,i_)< |
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typename lambda<F>::type |
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AUX778076_APPLY_N_COMMA_PARAMS(i_, T) |
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>::type type; |
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#endif |
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BOOST_MPL_AUX_LAMBDA_SUPPORT( |
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BOOST_PP_INC(i_) |
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, BOOST_PP_CAT(apply,i_) |
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, (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T)) |
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) |
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}; |
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#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG) |
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/// workaround for ETI bug |
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template<> |
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struct BOOST_PP_CAT(apply,i_)<AUX778076_APPLY_N_SPEC_PARAMS(i_, int)> |
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{ |
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typedef int type; |
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}; |
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#endif |
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# if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) |
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# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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#if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY |
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/// primary template (not a specialization!) |
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template< |
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typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) |
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> |
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struct apply |
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: BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > |
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{ |
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}; |
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#else |
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template< |
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typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T) |
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> |
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struct apply< F AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(i_, T, na) > |
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: BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) > |
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{ |
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}; |
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#endif |
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# else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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#if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE) |
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namespace aux { |
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template<> |
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struct apply_chooser<i_> |
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{ |
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template< |
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typename F, AUX778076_APPLY_PARAMS(typename T) |
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> |
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struct result_ |
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{ |
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typedef BOOST_PP_CAT(apply,i_)< |
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F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) |
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> type; |
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}; |
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}; |
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} // namespace aux |
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#endif |
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# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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# endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE |
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# undef i_ |
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#endif // BOOST_PP_ITERATION_DEPTH() |
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#endif // BOOST_PP_IS_ITERATING
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