Chris@16: 
Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: ///// header body
Chris@16: 
Chris@16: #ifndef BOOST_MPL_QUOTE_HPP_INCLUDED
Chris@16: #define BOOST_MPL_QUOTE_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Aleksey Gurtovoy 2000-2008
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/void.hpp>
Chris@16: #   include <boost/mpl/aux_/has_type.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/mpl/aux_/config/bcc.hpp>
Chris@16: #include <boost/mpl/aux_/config/ttp.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS) \
Chris@16:     && !defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS)
Chris@16: #   define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
Chris@16: #endif
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \
Chris@16:     && defined(BOOST_MPL_CFG_NO_HAS_XXX)
Chris@16: #   define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS
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 quote.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_/config/ctps.hpp>
Chris@16: #   include <boost/mpl/aux_/config/workaround.hpp>
Chris@16: 
Chris@16: #   include <boost/preprocessor/iterate.hpp>
Chris@16: #   include <boost/preprocessor/cat.hpp>
Chris@16: 
Chris@16: #if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE)
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16: 
Chris@16: template< typename T, bool has_type_ >
Chris@16: struct quote_impl
Chris@16: // GCC has a problem with metafunction forwarding when T is a
Chris@16: // specialization of a template called 'type'.
Chris@16: # if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \
Chris@16:     && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \
Chris@16:     && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2))
Chris@16: {
Chris@16:     typedef typename T::type type;
Chris@16: };
Chris@16: # else 
Chris@16:     : T
Chris@16: {
Chris@16: };
Chris@16: # endif 
Chris@16: 
Chris@16: template< typename T >
Chris@16: struct quote_impl<T,false>
Chris@16: {
Chris@16:     typedef T type;
Chris@16: };
Chris@16: 
Chris@16: #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Chris@16: 
Chris@16: template< bool > struct quote_impl
Chris@16: {
Chris@16:     template< typename T > struct result_
Chris@16:         : T
Chris@16:     {
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: template<> struct quote_impl<false>
Chris@16: {
Chris@16:     template< typename T > struct result_
Chris@16:     {
Chris@16:         typedef T type;
Chris@16:     };
Chris@16: };
Chris@16: 
Chris@16: #endif 
Chris@16: 
Chris@16: #define BOOST_PP_ITERATION_PARAMS_1 \
Chris@16:     (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>))
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
Chris@16: 
Chris@16: #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
Chris@16: #endif // BOOST_MPL_QUOTE_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: template<
Chris@16:       template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F
Chris@16:     , typename Tag = void_
Chris@16:     >
Chris@16: struct BOOST_PP_CAT(quote,i_)
Chris@16: {
Chris@16:     template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply
Chris@16: #if defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS)
Chris@16:     {
Chris@16:         typedef typename quote_impl<
Chris@16:               F< BOOST_MPL_PP_PARAMS(i_, U) >
Chris@16:             , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
Chris@16:             >::type type;
Chris@16:     };
Chris@16: #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
Chris@16:         : quote_impl<
Chris@16:               F< BOOST_MPL_PP_PARAMS(i_, U) >
Chris@16:             , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
Chris@16:             >
Chris@16:     {
Chris@16:     };
Chris@16: #else
Chris@16:         : quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value >
Chris@16:             ::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > >
Chris@16:     {
Chris@16:     };
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: #undef i_
Chris@16: #endif // BOOST_PP_IS_ITERATING