Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: ///// header body
Chris@16: 
Chris@16: #ifndef BOOST_MPL_APPLY_HPP_INCLUDED
Chris@16: #define BOOST_MPL_APPLY_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: #   include <boost/mpl/apply_fwd.hpp>
Chris@16: #   include <boost/mpl/apply_wrap.hpp>
Chris@16: #   include <boost/mpl/placeholders.hpp>
Chris@16: #   include <boost/mpl/lambda.hpp>
Chris@16: #   include <boost/mpl/aux_/na.hpp>
Chris@16: #   include <boost/mpl/aux_/lambda_support.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/use_preprocessed.hpp>
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
Chris@16:     && !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: 
Chris@16: #   define BOOST_MPL_PREPROCESSED_HEADER apply.hpp
Chris@16: #   include <boost/mpl/aux_/include_preprocessed.hpp>
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: #   include <boost/mpl/limits/arity.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/default_params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>
Chris@16: #   include <boost/mpl/aux_/preprocessor/enum.hpp>
Chris@16: #   include <boost/mpl/aux_/config/lambda.hpp>
Chris@16: #   include <boost/mpl/aux_/config/dtp.hpp>
Chris@16: #   include <boost/mpl/aux_/nttp_decl.hpp>
Chris@16: #   include <boost/mpl/aux_/config/eti.hpp>
Chris@16: #   include <boost/mpl/aux_/config/msvc.hpp>
Chris@16: #   include <boost/mpl/aux_/config/workaround.hpp>
Chris@16: 
Chris@16: #   include <boost/preprocessor/comma_if.hpp>
Chris@16: #   include <boost/preprocessor/inc.hpp>
Chris@16: #   include <boost/preprocessor/iterate.hpp>
Chris@16: #   include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: // local macros, #undef-ined at the end of the header
Chris@16: #   define AUX778076_APPLY_PARAMS(param) \
Chris@16:     BOOST_MPL_PP_PARAMS( \
Chris@16:           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
Chris@16:         , param \
Chris@16:         ) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   define AUX778076_APPLY_DEF_PARAMS(param, value) \
Chris@16:     BOOST_MPL_PP_DEFAULT_PARAMS( \
Chris@16:           BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
Chris@16:         , param \
Chris@16:         , value \
Chris@16:         ) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   define AUX778076_APPLY_N_PARAMS(n, param) \
Chris@16:     BOOST_MPL_PP_PARAMS(n, param) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   define AUX778076_APPLY_N_COMMA_PARAMS(n, param) \
Chris@16:     BOOST_PP_COMMA_IF(n) \
Chris@16:     BOOST_MPL_PP_PARAMS(n, param) \
Chris@16:     /**/
Chris@16: 
Chris@16: #   define AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(n, param, def) \
Chris@16:     BOOST_PP_COMMA_IF(n) \
Chris@16:     BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \
Chris@16:     /**/
Chris@16:     
Chris@16: #   define AUX778076_APPLY_N_SPEC_PARAMS(n, param) \
Chris@16:     BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \
Chris@16:     /**/
Chris@16: 
Chris@16: 
Chris@16: #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16:     (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply.hpp>))
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
Chris@16: // real C++ version is already taken care of
Chris@16: #   if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: namespace aux {
Chris@16: // apply_count_args
Chris@16: #define AUX778076_COUNT_ARGS_PREFIX apply
Chris@16: #define AUX778076_COUNT_ARGS_DEFAULT na
Chris@16: #define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
Chris@16: #include <boost/mpl/aux_/count_args.hpp>
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: template<
Chris@16:       typename F, AUX778076_APPLY_DEF_PARAMS(typename T, na)
Chris@16:     >
Chris@16: struct apply
Chris@16:     : aux::apply_chooser< 
Chris@16:           aux::apply_count_args< AUX778076_APPLY_PARAMS(T) >::value
Chris@16:         >::template result_< F, AUX778076_APPLY_PARAMS(T) >::type
Chris@16: {
Chris@16: };
Chris@16: 
Chris@16: #   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE
Chris@16: 
Chris@16: #   undef AUX778076_APPLY_N_SPEC_PARAMS
Chris@16: #   undef AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS
Chris@16: #   undef AUX778076_APPLY_N_COMMA_PARAMS
Chris@16: #   undef AUX778076_APPLY_N_PARAMS
Chris@16: #   undef AUX778076_APPLY_DEF_PARAMS
Chris@16: #   undef AUX778076_APPLY_PARAMS
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
Chris@16: #endif // BOOST_MPL_APPLY_HPP_INCLUDED
Chris@16: 
Chris@16: ///// iteration, depth == 1
Chris@16: 
Chris@16: // For gcc 4.4 compatability, we must include the
Chris@16: // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
Chris@16: #else // BOOST_PP_IS_ITERATING
Chris@16: #if BOOST_PP_ITERATION_DEPTH() == 1
Chris@16: 
Chris@16: #   define i_ BOOST_PP_FRAME_ITERATION(1)
Chris@16: 
Chris@16: template<
Chris@16:       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(apply,i_)
Chris@16: #if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
Chris@16:     : BOOST_PP_CAT(apply_wrap,i_)< 
Chris@16:           typename lambda<F>::type
Chris@16:         AUX778076_APPLY_N_COMMA_PARAMS(i_, T)
Chris@16:         >
Chris@16: {
Chris@16: #else
Chris@16: {
Chris@16:     typedef typename BOOST_PP_CAT(apply_wrap,i_)< 
Chris@16:           typename lambda<F>::type
Chris@16:         AUX778076_APPLY_N_COMMA_PARAMS(i_, T)
Chris@16:         >::type type;
Chris@16: #endif
Chris@16:     BOOST_MPL_AUX_LAMBDA_SUPPORT(
Chris@16:           BOOST_PP_INC(i_)
Chris@16:         , BOOST_PP_CAT(apply,i_)
Chris@16:         , (F AUX778076_APPLY_N_COMMA_PARAMS(i_,T))
Chris@16:         )
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
Chris@16: /// workaround for ETI bug
Chris@16: template<>
Chris@16: struct BOOST_PP_CAT(apply,i_)<AUX778076_APPLY_N_SPEC_PARAMS(i_, int)>
Chris@16: {
Chris@16:     typedef int type;
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: #   if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
Chris@16: #   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: #if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY
Chris@16: /// primary template (not a specialization!)
Chris@16: template<
Chris@16:       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
Chris@16:     >
Chris@16: struct apply
Chris@16:     : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) >
Chris@16: {
Chris@16: };
Chris@16: #else
Chris@16: template<
Chris@16:       typename F AUX778076_APPLY_N_COMMA_PARAMS(i_, typename T)
Chris@16:     >
Chris@16: struct apply< F AUX778076_APPLY_N_PARTIAL_SPEC_PARAMS(i_, T, na) >
Chris@16:     : BOOST_PP_CAT(apply,i_)< F AUX778076_APPLY_N_COMMA_PARAMS(i_, T) >
Chris@16: {
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: #   else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_NO_APPLY_TEMPLATE)
Chris@16: namespace aux {
Chris@16: 
Chris@16: template<>
Chris@16: struct apply_chooser<i_>
Chris@16: {
Chris@16:     template<
Chris@16:           typename F, AUX778076_APPLY_PARAMS(typename T)
Chris@16:         >
Chris@16:     struct result_
Chris@16:     {
Chris@16:         typedef BOOST_PP_CAT(apply,i_)<
Chris@16:               F AUX778076_APPLY_N_COMMA_PARAMS(i_, T)
Chris@16:             > type;
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: } // namespace aux
Chris@16: #endif
Chris@16: 
Chris@16: #   endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: #   endif // BOOST_MPL_CFG_NO_APPLY_TEMPLATE
Chris@16: 
Chris@16: #   undef i_
Chris@16: 
Chris@16: #endif // BOOST_PP_ITERATION_DEPTH()
Chris@16: #endif // BOOST_PP_IS_ITERATING