#if !defined(BOOST_PP_IS_ITERATING) | |
///// header body | |
#ifndef BOOST_MPL_AUX_ADVANCE_FORWARD_HPP_INCLUDED | |
#define BOOST_MPL_AUX_ADVANCE_FORWARD_HPP_INCLUDED | |
// Copyright Aleksey Gurtovoy 2000-2004 | |
// | |
// 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: advance_forward.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ | |
// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ | |
// $Revision: 49267 $ | |
#if !defined(BOOST_MPL_PREPROCESSING_MODE) | |
# include <boost/mpl/next.hpp> | |
# include <boost/mpl/apply_wrap.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 advance_forward.hpp | |
# include <boost/mpl/aux_/include_preprocessed.hpp> | |
#else | |
# include <boost/mpl/limits/unrolling.hpp> | |
# include <boost/mpl/aux_/nttp_decl.hpp> | |
# include <boost/mpl/aux_/config/eti.hpp> | |
# include <boost/preprocessor/iterate.hpp> | |
# include <boost/preprocessor/cat.hpp> | |
# include <boost/preprocessor/inc.hpp> | |
namespace boost { namespace mpl { namespace aux { | |
// forward declaration | |
template< BOOST_MPL_AUX_NTTP_DECL(long, N) > struct advance_forward; | |
# define BOOST_PP_ITERATION_PARAMS_1 \ | |
(3,(0, BOOST_MPL_LIMIT_UNROLLING, <boost/mpl/aux_/advance_forward.hpp>)) | |
# include BOOST_PP_ITERATE() | |
// implementation for N that exceeds BOOST_MPL_LIMIT_UNROLLING | |
template< BOOST_MPL_AUX_NTTP_DECL(long, N) > | |
struct advance_forward | |
{ | |
template< typename Iterator > struct apply | |
{ | |
typedef typename apply_wrap1< | |
advance_forward<BOOST_MPL_LIMIT_UNROLLING> | |
, Iterator | |
>::type chunk_result_; | |
typedef typename apply_wrap1< | |
advance_forward<( | |
(N - BOOST_MPL_LIMIT_UNROLLING) < 0 | |
? 0 | |
: N - BOOST_MPL_LIMIT_UNROLLING | |
)> | |
, chunk_result_ | |
>::type type; | |
}; | |
}; | |
}}} | |
#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS | |
#endif // BOOST_MPL_AUX_ADVANCE_FORWARD_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) | |
template<> | |
struct advance_forward< BOOST_PP_FRAME_ITERATION(1) > | |
{ | |
template< typename Iterator > struct apply | |
{ | |
typedef Iterator iter0; | |
#if i_ > 0 | |
# define BOOST_PP_ITERATION_PARAMS_2 \ | |
(3,(1, i_, <boost/mpl/aux_/advance_forward.hpp>)) | |
# include BOOST_PP_ITERATE() | |
#endif | |
typedef BOOST_PP_CAT(iter,i_) type; | |
}; | |
#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG) | |
/// ETI workaround | |
template<> struct apply<int> | |
{ | |
typedef int type; | |
}; | |
#endif | |
}; | |
#undef i_ | |
///// iteration, depth == 2 | |
#elif BOOST_PP_ITERATION_DEPTH() == 2 | |
# define AUX778076_ITER_0 BOOST_PP_CAT(iter,BOOST_PP_DEC(BOOST_PP_FRAME_ITERATION(2))) | |
# define AUX778076_ITER_1 BOOST_PP_CAT(iter,BOOST_PP_FRAME_ITERATION(2)) | |
typedef typename next<AUX778076_ITER_0>::type AUX778076_ITER_1; | |
# undef AUX778076_ITER_1 | |
# undef AUX778076_ITER_0 | |
#endif // BOOST_PP_ITERATION_DEPTH() | |
#endif // BOOST_PP_IS_ITERATING |