152 lines
3.7 KiB
C++
152 lines
3.7 KiB
C++
|
|
#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: quote.hpp 49272 2008-10-11 06:50:46Z agurtovoy $
|
|
// $Date: 2008-10-10 23:50:46 -0700 (Fri, 10 Oct 2008) $
|
|
// $Revision: 49272 $
|
|
|
|
#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
|