#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: arg.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/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 |