Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: ///// header body
Chris@16: 
Chris@16: #ifndef BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
Chris@16: #define BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2001-2004
Chris@16: // Copyright Peter Dimov 2001-2003
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: 
Chris@16: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
Chris@16: #   include <boost/mpl/arg.hpp>
Chris@16: #   include <boost/mpl/aux_/adl_barrier.hpp>
Chris@16: 
Chris@16: #   if !defined(BOOST_MPL_CFG_NO_ADL_BARRIER_NAMESPACE)
Chris@16: #       define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) \
Chris@16:         using ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::type; \
Chris@16:         /**/
Chris@16: #   else
Chris@16: #       define BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(type) /**/
Chris@16: #   endif
Chris@16: 
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 placeholders.hpp
Chris@16: #   include <boost/mpl/aux_/include_preprocessed.hpp>
Chris@16: 
Chris@16: #else
Chris@16: 
Chris@16: #   include <boost/mpl/aux_/nttp_decl.hpp>
Chris@16: #   include <boost/mpl/limits/arity.hpp>
Chris@16: #   include <boost/preprocessor/iterate.hpp>
Chris@16: #   include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: // watch out for GNU gettext users, who #define _(x)
Chris@16: #if !defined(_) || defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
Chris@16: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
Chris@16: typedef arg<-1> _;
Chris@16: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
Chris@16: 
Chris@16: namespace boost { namespace mpl { 
Chris@16: 
Chris@16: BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(_)
Chris@16: 
Chris@16: namespace placeholders {
Chris@16: using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::_;
Chris@16: }
Chris@16: 
Chris@16: }}
Chris@16: #endif
Chris@16: 
Chris@16: /// agurt, 17/mar/02: one more placeholder for the last 'apply#' 
Chris@16: /// specialization
Chris@16: #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16:     (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY + 1, <boost/mpl/placeholders.hpp>))
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
Chris@16: #endif // BOOST_MPL_PLACEHOLDERS_HPP_INCLUDED
Chris@16: 
Chris@16: ///// iteration
Chris@16: 
Chris@16: #else
Chris@16: #define i_ BOOST_PP_FRAME_ITERATION(1)
Chris@16: 
Chris@16: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
Chris@16: 
Chris@16: typedef arg<i_> BOOST_PP_CAT(_,i_);
Chris@16: 
Chris@16: BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
Chris@16: 
Chris@16: namespace boost { namespace mpl { 
Chris@16: 
Chris@16: BOOST_MPL_AUX_ARG_ADL_BARRIER_DECL(BOOST_PP_CAT(_,i_))
Chris@16: 
Chris@16: namespace placeholders {
Chris@16: using BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::BOOST_PP_CAT(_,i_);
Chris@16: }
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #undef i_
Chris@16: #endif // BOOST_PP_IS_ITERATING