132 lines
3.1 KiB
C++
132 lines
3.1 KiB
C++
|
|
||
|
|
#if !defined(BOOST_PP_IS_ITERATING)
|
||
|
|
|
||
|
|
///// header body
|
||
|
|
|
||
|
|
#ifndef BOOST_MPL_ARG_HPP_INCLUDED
|
||
|
|
#define BOOST_MPL_ARG_HPP_INCLUDED
|
||
|
|
|
||
|
|
// Copyright Peter Dimov 2001-2002
|
||
|
|
// Copyright Aleksey Gurtovoy 2001-2004
|
||
|
|
//
|
||
|
|
// 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.
|
||
|
|
|
||
|
|
// $Id$
|
||
|
|
// $Date$
|
||
|
|
// $Revision$
|
||
|
|
|
||
|
|
#if !defined(BOOST_MPL_PREPROCESSING_MODE)
|
||
|
|
# include <boost/mpl/arg_fwd.hpp>
|
||
|
|
# include <boost/mpl/aux_/na.hpp>
|
||
|
|
# include <boost/mpl/aux_/na_assert.hpp>
|
||
|
|
# include <boost/mpl/aux_/arity_spec.hpp>
|
||
|
|
# include <boost/mpl/aux_/arg_typedef.hpp>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <boost/mpl/aux_/config/static_constant.hpp>
|
||
|
|
#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 arg.hpp
|
||
|
|
# include <boost/mpl/aux_/include_preprocessed.hpp>
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
# include <boost/mpl/limits/arity.hpp>
|
||
|
|
# include <boost/mpl/aux_/preprocessor/default_params.hpp>
|
||
|
|
# include <boost/mpl/aux_/preprocessor/params.hpp>
|
||
|
|
# include <boost/mpl/aux_/config/lambda.hpp>
|
||
|
|
# include <boost/mpl/aux_/config/dtp.hpp>
|
||
|
|
# include <boost/mpl/aux_/nttp_decl.hpp>
|
||
|
|
|
||
|
|
# include <boost/preprocessor/iterate.hpp>
|
||
|
|
# include <boost/preprocessor/inc.hpp>
|
||
|
|
# include <boost/preprocessor/cat.hpp>
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
|
||
|
|
|
||
|
|
// local macro, #undef-ined at the end of the header
|
||
|
|
#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
|
||
|
|
# define AUX778076_ARG_N_DEFAULT_PARAMS(param,value) \
|
||
|
|
BOOST_MPL_PP_DEFAULT_PARAMS( \
|
||
|
|
BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
|
||
|
|
, param \
|
||
|
|
, value \
|
||
|
|
) \
|
||
|
|
/**/
|
||
|
|
#else
|
||
|
|
# define AUX778076_ARG_N_DEFAULT_PARAMS(param,value) \
|
||
|
|
BOOST_MPL_PP_PARAMS( \
|
||
|
|
BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
|
||
|
|
, param \
|
||
|
|
) \
|
||
|
|
/**/
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define BOOST_PP_ITERATION_PARAMS_1 \
|
||
|
|
(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/arg.hpp>))
|
||
|
|
#include BOOST_PP_ITERATE()
|
||
|
|
|
||
|
|
|
||
|
|
# undef AUX778076_ARG_N_DEFAULT_PARAMS
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_NONTYPE_ARITY_SPEC(1,int,arg)
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
|
||
|
|
|
||
|
|
#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
|
||
|
|
#endif // BOOST_MPL_ARG_HPP_INCLUDED
|
||
|
|
|
||
|
|
///// iteration
|
||
|
|
|
||
|
|
#else
|
||
|
|
#define i_ BOOST_PP_FRAME_ITERATION(1)
|
||
|
|
|
||
|
|
#if i_ > 0
|
||
|
|
|
||
|
|
template<> struct arg<i_>
|
||
|
|
{
|
||
|
|
BOOST_STATIC_CONSTANT(int, value = i_);
|
||
|
|
typedef arg<BOOST_PP_INC(i_)> next;
|
||
|
|
BOOST_MPL_AUX_ARG_TYPEDEF(na, tag)
|
||
|
|
BOOST_MPL_AUX_ARG_TYPEDEF(na, type)
|
||
|
|
|
||
|
|
template<
|
||
|
|
AUX778076_ARG_N_DEFAULT_PARAMS(typename U, na)
|
||
|
|
>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
typedef BOOST_PP_CAT(U,i_) type;
|
||
|
|
BOOST_MPL_AUX_ASSERT_NOT_NA(type);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
template<> struct arg<-1>
|
||
|
|
{
|
||
|
|
BOOST_STATIC_CONSTANT(int, value = -1);
|
||
|
|
BOOST_MPL_AUX_ARG_TYPEDEF(na, tag)
|
||
|
|
BOOST_MPL_AUX_ARG_TYPEDEF(na, type)
|
||
|
|
|
||
|
|
template<
|
||
|
|
AUX778076_ARG_N_DEFAULT_PARAMS(typename U, na)
|
||
|
|
>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
typedef U1 type;
|
||
|
|
BOOST_MPL_AUX_ASSERT_NOT_NA(type);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // i_ > 0
|
||
|
|
|
||
|
|
#undef i_
|
||
|
|
#endif // BOOST_PP_IS_ITERATING
|