#if !defined(BOOST_PP_IS_ITERATING) ///// header body #ifndef BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED #define BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED // Copyright Aleksey Gurtovoy 2001-2004 // Copyright Peter Dimov 2001-2003 // // 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: placeholders.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ // $Revision: 49267 $ #if !defined(BOOST_MPL_PREPROCESSING_MODE) # include <boost/mpl/arg.hpp> # include <boost/mpl/aux_/adl_barrier.hpp> # if !defined(BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE) # define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) \ using ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::type; \ /**/ # else # define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) /**/ # endif #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 placeholders.hpp # include <boost/mpl/aux_/include_preprocessed.hpp> #else # include <boost/mpl/aux_/nttp_decl.hpp> # include <boost/mpl/limits/arity.hpp> # include <boost/preprocessor/iterate.hpp> # include <boost/preprocessor/cat.hpp> // watch out for GNU gettext users, who #define _(x) #if !defined(_) || defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT) BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN typedef arg<-1> _; BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE namespace boost { namespace mpl { BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(_) namespace placeholders { using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::_; } }} #endif /// agurt, 17/mar/02: one more placeholder for the last 'apply#' /// specialization #define BOOST_PP_ITERATION_PARAMS_1 \ (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY + 1, <boost/mpl/placeholders.hpp>)) #include BOOST_PP_ITERATE() #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS #endif // BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED ///// iteration #else #define i_ BOOST_PP_FRAME_ITERATION(1) BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN typedef arg<i_> BOOST_PP_CAT(_,i_); BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE namespace boost { namespace mpl { BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(BOOST_PP_CAT(_,i_)) namespace placeholders { using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::BOOST_PP_CAT(_,i_); } }} #undef i_ #endif // BOOST_PP_IS_ITERATING