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151 lines
3.7 KiB
151 lines
3.7 KiB
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#if !defined(BOOST_PP_IS_ITERATING) |
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///// header body |
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#ifndef BOOST_MPL_QUOTE_HPP_INCLUDED |
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#define BOOST_MPL_QUOTE_HPP_INCLUDED |
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// Copyright Aleksey Gurtovoy 2000-2008 |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// See http://www.boost.org/libs/mpl for documentation. |
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// $Id: quote.hpp 49272 2008-10-11 06:50:46Z agurtovoy $ |
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// $Date: 2008-10-11 02:50:46 -0400 (Sat, 11 Oct 2008) $ |
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// $Revision: 49272 $ |
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#if !defined(BOOST_MPL_PREPROCESSING_MODE) |
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# include <boost/mpl/void.hpp> |
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# include <boost/mpl/aux_/has_type.hpp> |
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#endif |
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#include <boost/mpl/aux_/config/bcc.hpp> |
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#include <boost/mpl/aux_/config/ttp.hpp> |
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#if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS) \ |
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&& !defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS) |
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# define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE |
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#endif |
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#if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \ |
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&& defined(BOOST_MPL_CFG_NO_HAS_XXX) |
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# define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS |
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#endif |
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#include <boost/mpl/aux_/config/use_preprocessed.hpp> |
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#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \ |
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&& !defined(BOOST_MPL_PREPROCESSING_MODE) |
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# define BOOST_MPL_PREPROCESSED_HEADER quote.hpp |
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# include <boost/mpl/aux_/include_preprocessed.hpp> |
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#else |
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# include <boost/mpl/limits/arity.hpp> |
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# include <boost/mpl/aux_/preprocessor/params.hpp> |
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# include <boost/mpl/aux_/config/ctps.hpp> |
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# include <boost/mpl/aux_/config/workaround.hpp> |
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# include <boost/preprocessor/iterate.hpp> |
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# include <boost/preprocessor/cat.hpp> |
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#if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE) |
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namespace boost { namespace mpl { |
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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template< typename T, bool has_type_ > |
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struct quote_impl |
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// GCC has a problem with metafunction forwarding when T is a |
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// specialization of a template called 'type'. |
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# if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \ |
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&& BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \ |
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&& BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2)) |
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{ |
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typedef typename T::type type; |
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}; |
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# else |
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: T |
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{ |
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}; |
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# endif |
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template< typename T > |
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struct quote_impl<T,false> |
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{ |
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typedef T type; |
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}; |
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#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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template< bool > struct quote_impl |
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{ |
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template< typename T > struct result_ |
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: T |
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{ |
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}; |
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}; |
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template<> struct quote_impl<false> |
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{ |
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template< typename T > struct result_ |
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{ |
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typedef T type; |
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}; |
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}; |
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#endif |
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#define BOOST_PP_ITERATION_PARAMS_1 \ |
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(3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>)) |
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#include BOOST_PP_ITERATE() |
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}} |
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#endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE |
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#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS |
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#endif // BOOST_MPL_QUOTE_HPP_INCLUDED |
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///// iteration |
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#else |
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#define i_ BOOST_PP_FRAME_ITERATION(1) |
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template< |
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template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F |
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, typename Tag = void_ |
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> |
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struct BOOST_PP_CAT(quote,i_) |
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{ |
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template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply |
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#if defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS) |
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{ |
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typedef typename quote_impl< |
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F< BOOST_MPL_PP_PARAMS(i_, U) > |
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, aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value |
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>::type type; |
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}; |
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#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
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: quote_impl< |
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F< BOOST_MPL_PP_PARAMS(i_, U) > |
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, aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value |
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> |
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{ |
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}; |
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#else |
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: quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value > |
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::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > > |
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{ |
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}; |
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#endif |
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}; |
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#undef i_ |
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#endif // BOOST_PP_IS_ITERATING
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