#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 |