numbered_c.hpp

Go to the documentation of this file.

 
// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
 
#if defined(BOOST_PP_IS_ITERATING)
 
// 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: numbered_c.hpp 13472 2017-08-22 07:53:44Z richean $
// $Date: 2017-08-22 09:53:44 +0200 (Di, 22 Aug 2017) $
// $Revision: 13472 $
 
#include <boost/preprocessor/enum_params.hpp>
#include <boost/preprocessor/enum_shifted_params.hpp>
#include <boost/preprocessor/comma_if.hpp>
#include <boost/preprocessor/repeat.hpp>
#include <boost/preprocessor/dec.hpp>
#include <boost/preprocessor/cat.hpp>
 
#define i_ BOOST_PP_FRAME_ITERATION(1)
 
#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
 
#   define AUX778076_VECTOR_TAIL(vector, i_, C) \
    BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)<T \
          BOOST_PP_COMMA_IF(i_) BOOST_PP_ENUM_PARAMS(i_, C) \
        > \
    
 
#if i_ > 0
template<
      typename T
    , BOOST_PP_ENUM_PARAMS(i_, T C)
    >
struct BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)
    : v_item<
          integral_c<T,BOOST_PP_CAT(C,BOOST_PP_DEC(i_))>
        , AUX778076_VECTOR_TAIL(vector,BOOST_PP_DEC(i_),C)
        >
{
    typedef BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c) type;
    typedef T value_type;
};
#endif
 
#   undef AUX778076_VECTOR_TAIL
 
#else // "brute force" implementation
 
#   define AUX778076_VECTOR_C_PARAM_FUNC(unused, i_, param) \
    BOOST_PP_COMMA_IF(i_) \
    integral_c<T,BOOST_PP_CAT(param,i_)> \
    
 
template<
      typename T
    , BOOST_PP_ENUM_PARAMS(i_, T C)
    >
struct BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c)
    : BOOST_PP_CAT(vector,i_)< BOOST_PP_REPEAT(i_,AUX778076_VECTOR_C_PARAM_FUNC,C) >
{
    typedef BOOST_PP_CAT(BOOST_PP_CAT(vector,i_),_c) type;
    typedef T value_type;
};
 
#   undef AUX778076_VECTOR_C_PARAM_FUNC
 
#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
 
#undef i_
 
#endif // BOOST_PP_IS_ITERATING