230 lines
5.9 KiB
C++
230 lines
5.9 KiB
C++
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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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