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Diffstat (limited to 'contrib/src/boost/mpl/quote.hpp')
-rw-r--r-- | contrib/src/boost/mpl/quote.hpp | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/contrib/src/boost/mpl/quote.hpp b/contrib/src/boost/mpl/quote.hpp new file mode 100644 index 0000000..242c2e7 --- /dev/null +++ b/contrib/src/boost/mpl/quote.hpp @@ -0,0 +1,151 @@ + +#if !defined(BOOST_PP_IS_ITERATING) + +///// header body + +#ifndef BOOST_MPL_QUOTE_HPP_INCLUDED +#define BOOST_MPL_QUOTE_HPP_INCLUDED + +// Copyright Aleksey Gurtovoy 2000-2008 +// +// 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. + +// $Id$ +// $Date$ +// $Revision$ + +#if !defined(BOOST_MPL_PREPROCESSING_MODE) +# include <boost/mpl/void.hpp> +# include <boost/mpl/aux_/has_type.hpp> +#endif + +#include <boost/mpl/aux_/config/bcc.hpp> +#include <boost/mpl/aux_/config/ttp.hpp> + +#if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS) \ + && !defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS) +# define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE +#endif + +#if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \ + && defined(BOOST_MPL_CFG_NO_HAS_XXX) +# define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS +#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 quote.hpp +# include <boost/mpl/aux_/include_preprocessed.hpp> + +#else + +# include <boost/mpl/limits/arity.hpp> +# include <boost/mpl/aux_/preprocessor/params.hpp> +# include <boost/mpl/aux_/config/ctps.hpp> +# include <boost/mpl/aux_/config/workaround.hpp> + +# include <boost/preprocessor/iterate.hpp> +# include <boost/preprocessor/cat.hpp> + +#if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE) + +namespace boost { namespace mpl { + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template< typename T, bool has_type_ > +struct quote_impl +// GCC has a problem with metafunction forwarding when T is a +// specialization of a template called 'type'. +# if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \ + && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \ + && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2)) +{ + typedef typename T::type type; +}; +# else + : T +{ +}; +# endif + +template< typename T > +struct quote_impl<T,false> +{ + typedef T type; +}; + +#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +template< bool > struct quote_impl +{ + template< typename T > struct result_ + : T + { + }; +}; + +template<> struct quote_impl<false> +{ + template< typename T > struct result_ + { + typedef T type; + }; +}; + +#endif + +#define BOOST_PP_ITERATION_PARAMS_1 \ + (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>)) +#include BOOST_PP_ITERATE() + +}} + +#endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE + +#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS +#endif // BOOST_MPL_QUOTE_HPP_INCLUDED + +///// iteration + +#else +#define i_ BOOST_PP_FRAME_ITERATION(1) + +template< + template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F + , typename Tag = void_ + > +struct BOOST_PP_CAT(quote,i_) +{ + template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply +#if defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS) + { + typedef typename quote_impl< + F< BOOST_MPL_PP_PARAMS(i_, U) > + , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value + >::type type; + }; +#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + : quote_impl< + F< BOOST_MPL_PP_PARAMS(i_, U) > + , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value + > + { + }; +#else + : quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value > + ::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > > + { + }; +#endif +}; + +#undef i_ +#endif // BOOST_PP_IS_ITERATING |