sl@0: 
sl@0: #if !defined(BOOST_PP_IS_ITERATING)
sl@0: 
sl@0: ///// header body
sl@0: 
sl@0: #ifndef BOOST_MPL_QUOTE_HPP_INCLUDED
sl@0: #define BOOST_MPL_QUOTE_HPP_INCLUDED
sl@0: 
sl@0: // Copyright Aleksey Gurtovoy 2000-2004
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0. 
sl@0: // (See accompanying file LICENSE_1_0.txt or copy at 
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: // See http://www.boost.org/libs/mpl for documentation.
sl@0: 
sl@0: // $Source: /cvsroot/boost/boost/boost/mpl/quote.hpp,v $
sl@0: // $Date: 2006/05/03 03:27:58 $
sl@0: // $Revision: 1.5.14.2 $
sl@0: 
sl@0: #if !defined(BOOST_MPL_PREPROCESSING_MODE)
sl@0: #   include <boost/mpl/void.hpp>
sl@0: #   include <boost/mpl/aux_/has_type.hpp>
sl@0: #endif
sl@0: 
sl@0: #include <boost/mpl/aux_/config/ttp.hpp>
sl@0: 
sl@0: #if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS)
sl@0: #   define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
sl@0: #endif
sl@0: 
sl@0: #if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \
sl@0:     && defined(BOOST_MPL_CFG_NO_HAS_XXX)
sl@0: #   define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS
sl@0: #endif
sl@0: 
sl@0: #include <boost/mpl/aux_/config/use_preprocessed.hpp>
sl@0: 
sl@0: #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
sl@0:  && !defined(BOOST_MPL_PREPROCESSING_MODE)
sl@0: 
sl@0: #   define BOOST_MPL_PREPROCESSED_HEADER quote.hpp
sl@0: #   include <boost/mpl/aux_/include_preprocessed.hpp>
sl@0: 
sl@0: #else
sl@0: 
sl@0: #   include <boost/mpl/limits/arity.hpp>
sl@0: #   include <boost/mpl/aux_/preprocessor/params.hpp>
sl@0: #   include <boost/mpl/aux_/config/ctps.hpp>
sl@0: #   include <boost/mpl/aux_/config/workaround.hpp>
sl@0: 
sl@0: #   include <boost/preprocessor/iterate.hpp>
sl@0: #   include <boost/preprocessor/cat.hpp>
sl@0: 
sl@0: #if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE)
sl@0: 
sl@0: namespace boost { namespace mpl {
sl@0: 
sl@0: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
sl@0: 
sl@0: template< typename T, bool has_type_ >
sl@0: struct quote_impl
sl@0: // GCC has a problem with metafunction forwarding when T is a
sl@0: // specialization of a template called 'type'.
sl@0: # if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \
sl@0:     && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \
sl@0:     && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2))
sl@0: {
sl@0:     typedef typename T::type type;
sl@0: };
sl@0: # else 
sl@0:     : T
sl@0: {
sl@0: };
sl@0: # endif 
sl@0: 
sl@0: template< typename T >
sl@0: struct quote_impl<T,false>
sl@0: {
sl@0:     typedef T type;
sl@0: };
sl@0: 
sl@0: #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
sl@0: 
sl@0: template< bool > struct quote_impl
sl@0: {
sl@0:     template< typename T > struct result_
sl@0:         : T
sl@0:     {
sl@0:     };
sl@0: };
sl@0: 
sl@0: template<> struct quote_impl<false>
sl@0: {
sl@0:     template< typename T > struct result_
sl@0:     {
sl@0:         typedef T type;
sl@0:     };
sl@0: };
sl@0: 
sl@0: #endif 
sl@0: 
sl@0: #define BOOST_PP_ITERATION_PARAMS_1 \
sl@0:     (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>))
sl@0: #include BOOST_PP_ITERATE()
sl@0: 
sl@0: }}
sl@0: 
sl@0: #endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
sl@0: 
sl@0: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
sl@0: #endif // BOOST_MPL_QUOTE_HPP_INCLUDED
sl@0: 
sl@0: ///// iteration
sl@0: 
sl@0: #else
sl@0: #define i_ BOOST_PP_FRAME_ITERATION(1)
sl@0: 
sl@0: template<
sl@0:       template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F
sl@0:     , typename Tag = void_
sl@0:     >
sl@0: struct BOOST_PP_CAT(quote,i_)
sl@0: {
sl@0:     template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply
sl@0: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
sl@0:         : quote_impl<
sl@0:               F< BOOST_MPL_PP_PARAMS(i_, U) >
sl@0:             , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
sl@0:             >
sl@0: #else
sl@0:         : quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value >
sl@0:             ::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > >
sl@0: #endif
sl@0:     {
sl@0:     };
sl@0: };
sl@0: 
sl@0: #undef i_
sl@0: #endif // BOOST_PP_IS_ITERATING