#if !defined(BOOST_PP_IS_ITERATING)
///// header body
#ifndef BOOST_MPL_APPLY_WRAP_HPP_INCLUDED
#define BOOST_MPL_APPLY_WRAP_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: apply_wrap.hpp 49272 2008-10-11 06:50:46Z agurtovoy $
// $Date: 2008-10-11 02:50:46 -0400 (Sat, 11 Oct 2008) $
// $Revision: 49272 $
#if !defined(BOOST_MPL_PREPROCESSING_MODE)
# include <boost/mpl/aux_/arity.hpp>
# include <boost/mpl/aux_/has_apply.hpp>
# include <boost/mpl/aux_/na.hpp>
# include <boost/mpl/aux_/msvc_never_true.hpp>
#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 apply_wrap.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_/preprocessor/enum.hpp>
# include <boost/mpl/aux_/preprocessor/add.hpp>
# include <boost/mpl/aux_/config/bcc.hpp>
# include <boost/mpl/aux_/config/ctps.hpp>
# include <boost/mpl/aux_/config/dtp.hpp>
# include <boost/mpl/aux_/config/eti.hpp>
# include <boost/mpl/aux_/config/msvc.hpp>
# include <boost/mpl/aux_/config/workaround.hpp>
# include <boost/preprocessor/comma_if.hpp>
# include <boost/preprocessor/logical/and.hpp>
# include <boost/preprocessor/inc.hpp>
# include <boost/preprocessor/iterate.hpp>
namespace boost { namespace mpl {
// local macros, #undef-ined at the end of the header
# define AUX778076_APPLY_WRAP_PARAMS(n, param) \
BOOST_MPL_PP_PARAMS(n, param) \
/**/
# define AUX778076_APPLY_WRAP_SPEC_PARAMS(n, param) \
BOOST_MPL_PP_ENUM(BOOST_PP_INC(n), param) \
/**/
#define BOOST_PP_ITERATION_PARAMS_1 \
(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/apply_wrap.hpp>))
#include BOOST_PP_ITERATE()
# undef AUX778076_APPLY_WRAP_SPEC_PARAMS
# undef AUX778076_APPLY_WRAP_PARAMS
}}
#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
#endif // BOOST_MPL_APPLY_WRAP_HPP_INCLUDED
///// iteration, depth == 1
// For gcc 4.4 compatability, we must include the
// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
#else // BOOST_PP_IS_ITERATING
#if BOOST_PP_ITERATION_DEPTH() == 1
# define i_ BOOST_PP_FRAME_ITERATION(1)
# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
// MSVC version
#define AUX778076_MSVC_DTW_NAME BOOST_PP_CAT(msvc_apply,i_)
#define AUX778076_MSVC_DTW_ORIGINAL_NAME apply
#define AUX778076_MSVC_DTW_ARITY i_
#include <boost/mpl/aux_/msvc_dtw.hpp>
template<
typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply_wrap,i_)
{
// Metafunction forwarding confuses vc6
typedef typename BOOST_PP_CAT(msvc_apply,i_)<F>::template result_<
AUX778076_APPLY_WRAP_PARAMS(i_, T)
>::type type;
};
# elif defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
// MWCW/Borland version
template<
int N, typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply_wrap_impl,i_);
#define BOOST_PP_ITERATION_PARAMS_2 \
(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY - i_, <boost/mpl/apply_wrap.hpp>))
#include BOOST_PP_ITERATE()
template<
typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply_wrap,i_)
: BOOST_PP_CAT(apply_wrap_impl,i_)<
::boost::mpl::aux::arity<F,i_>::value
, F
BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, T)
>::type
{
};
# else
// ISO98 C++, with minor concession to vc7
template<
typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
#if i_ == 0
, typename has_apply_ = typename aux::has_apply<F>::type
#endif
>
struct BOOST_PP_CAT(apply_wrap,i_)
// metafunction forwarding confuses MSVC 7.0
#if !BOOST_WORKAROUND(BOOST_MSVC, == 1300)
: F::template apply< AUX778076_APPLY_WRAP_PARAMS(i_, T) >
{
#else
{
typedef typename F::template apply<
AUX778076_APPLY_WRAP_PARAMS(i_, T)
>::type type;
#endif
};
#if i_ == 0 && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
template< typename F >
struct BOOST_PP_CAT(apply_wrap,i_)<F,true_>
: F::apply
{
};
#endif
# endif // workarounds
#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
/// workaround for ETI bug
template<>
struct BOOST_PP_CAT(apply_wrap,i_)<AUX778076_APPLY_WRAP_SPEC_PARAMS(i_, int)>
{
typedef int type;
};
#endif
# undef i_
///// iteration, depth == 2
#elif BOOST_PP_ITERATION_DEPTH() == 2
# define j_ BOOST_PP_FRAME_ITERATION(2)
#if i_ == 0 && j_ == 0 \
&& defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS) \
&& !defined(BOOST_MPL_CFG_NO_HAS_APPLY)
template< typename F, bool F_has_apply >
struct apply_wrap_impl0_bcb {
typedef typename F::template apply< na > type;
};
template< typename F >
struct apply_wrap_impl0_bcb< F, true > {
typedef typename F::apply type;
};
template<
typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply_wrap_impl,i_)<
BOOST_MPL_PP_ADD(i_, j_)
, F
BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, T)
>
{
typedef apply_wrap_impl0_bcb< F, aux::has_apply< F >::value >::type type;
};
#else
template<
typename F BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, typename T)
>
struct BOOST_PP_CAT(apply_wrap_impl,i_)<
BOOST_MPL_PP_ADD(i_, j_)
, F
BOOST_PP_COMMA_IF(i_) AUX778076_APPLY_WRAP_PARAMS(i_, T)
>
{
typedef typename F::template apply<
AUX778076_APPLY_WRAP_PARAMS(i_, T)
#if i_ == 0 && j_ == 0
/// since the defaults are "lost", we have to pass *something* even for nullary
/// metafunction classes
na
#else
BOOST_PP_COMMA_IF(BOOST_PP_AND(i_, j_)) BOOST_MPL_PP_ENUM(j_, na)
#endif
> type;
};
#endif
# undef j_
#endif // BOOST_PP_ITERATION_DEPTH()
#endif // BOOST_PP_IS_ITERATING