You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
4.7 KiB
C++
100 lines
4.7 KiB
C++
// Copyright David Abrahams, Daniel Wallin 2003. Use, modification and
|
|
// distribution is subject to 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)
|
|
|
|
#ifndef BOOST_PARAMETER_MACROS_050412_HPP
|
|
#define BOOST_PARAMETER_MACROS_050412_HPP
|
|
|
|
#include <boost/preprocessor/tuple/elem.hpp>
|
|
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
|
|
#include <boost/preprocessor/arithmetic/inc.hpp>
|
|
#include <boost/preprocessor/logical/bool.hpp>
|
|
#include <boost/preprocessor/punctuation/comma_if.hpp>
|
|
#include <boost/preprocessor/control/expr_if.hpp>
|
|
#include <boost/preprocessor/repetition/enum_params.hpp>
|
|
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
|
|
#include <boost/preprocessor/cat.hpp>
|
|
#include <boost/detail/workaround.hpp>
|
|
|
|
#define BOOST_PARAMETER_FUN_TEMPLATE_HEAD1(n) \
|
|
template<BOOST_PP_ENUM_PARAMS(n, class T)>
|
|
|
|
#define BOOST_PARAMETER_FUN_TEMPLATE_HEAD0(n)
|
|
|
|
#if ! defined(BOOST_NO_SFINAE) && ! BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
|
|
|
|
# define BOOST_PARAMETER_MATCH_TYPE(n, param) \
|
|
BOOST_PP_EXPR_IF(n, typename) param::match \
|
|
< \
|
|
BOOST_PP_ENUM_PARAMS(n, T) \
|
|
>::type
|
|
|
|
#else
|
|
|
|
# define BOOST_PARAMETER_MATCH_TYPE(n, param) param
|
|
|
|
#endif
|
|
|
|
#define BOOST_PARAMETER_FUN_DECL(z, n, params) \
|
|
\
|
|
BOOST_PP_CAT(BOOST_PARAMETER_FUN_TEMPLATE_HEAD, BOOST_PP_BOOL(n))(n) \
|
|
\
|
|
BOOST_PP_TUPLE_ELEM(3, 0, params) \
|
|
BOOST_PP_TUPLE_ELEM(3, 1, params)( \
|
|
BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& p) \
|
|
BOOST_PP_COMMA_IF(n) \
|
|
BOOST_PARAMETER_MATCH_TYPE(n,BOOST_PP_TUPLE_ELEM(3, 2, params)) \
|
|
kw = BOOST_PP_TUPLE_ELEM(3, 2, params)() \
|
|
) \
|
|
{ \
|
|
return BOOST_PP_CAT(BOOST_PP_TUPLE_ELEM(3, 1, params), _with_named_params)( \
|
|
kw(BOOST_PP_ENUM_PARAMS(n, p)) \
|
|
); \
|
|
}
|
|
|
|
// Generates:
|
|
//
|
|
// template<class Params>
|
|
// ret name ## _with_named_params(Params const&);
|
|
//
|
|
// template<class T0>
|
|
// ret name(T0 const& p0, typename parameters::match<T0>::type kw = parameters())
|
|
// {
|
|
// return name ## _with_named_params(kw(p0));
|
|
// }
|
|
//
|
|
// template<class T0, ..., class TN>
|
|
// ret name(T0 const& p0, ..., TN const& PN
|
|
// , typename parameters::match<T0, ..., TN>::type kw = parameters())
|
|
// {
|
|
// return name ## _with_named_params(kw(p0, ..., pN));
|
|
// }
|
|
//
|
|
// template<class Params>
|
|
// ret name ## _with_named_params(Params const&)
|
|
//
|
|
// lo and hi determines the min and max arity of the generated functions.
|
|
|
|
#define BOOST_PARAMETER_FUN(ret, name, lo, hi, parameters) \
|
|
\
|
|
template<class Params> \
|
|
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p); \
|
|
\
|
|
BOOST_PP_REPEAT_FROM_TO( \
|
|
lo, BOOST_PP_INC(hi), BOOST_PARAMETER_FUN_DECL, (ret, name, parameters)) \
|
|
\
|
|
template<class Params> \
|
|
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p)
|
|
|
|
#define BOOST_PARAMETER_MEMFUN(ret, name, lo, hi, parameters) \
|
|
\
|
|
BOOST_PP_REPEAT_FROM_TO( \
|
|
lo, BOOST_PP_INC(hi), BOOST_PARAMETER_FUN_DECL, (ret, name, parameters)) \
|
|
\
|
|
template<class Params> \
|
|
ret BOOST_PP_CAT(name, _with_named_params)(Params const& p)
|
|
|
|
#endif // BOOST_PARAMETER_MACROS_050412_HPP
|
|
|