1078 lines
39 KiB
C++
1078 lines
39 KiB
C++
// Copyright Daniel Wallin 2006. Use, modification and distribution is
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// subject to the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PARAMETER_PREPROCESSOR_060206_HPP
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# define BOOST_PARAMETER_PREPROCESSOR_060206_HPP
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# include <boost/parameter/parameters.hpp>
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# include <boost/parameter/binding.hpp>
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# include <boost/parameter/match.hpp>
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# include <boost/parameter/aux_/parenthesized_type.hpp>
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# include <boost/parameter/aux_/cast.hpp>
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# include <boost/parameter/aux_/preprocessor/flatten.hpp>
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# include <boost/preprocessor/repetition/repeat_from_to.hpp>
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# include <boost/preprocessor/comparison/equal.hpp>
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# include <boost/preprocessor/control/if.hpp>
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# include <boost/preprocessor/control/iif.hpp>
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# include <boost/preprocessor/control/expr_if.hpp>
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# include <boost/preprocessor/repetition/enum_params.hpp>
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# include <boost/preprocessor/repetition/enum_binary_params.hpp>
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# include <boost/preprocessor/repetition/enum_trailing.hpp>
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# include <boost/preprocessor/seq/first_n.hpp>
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# include <boost/preprocessor/seq/for_each_product.hpp>
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# include <boost/preprocessor/seq/for_each_i.hpp>
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# include <boost/preprocessor/tuple/elem.hpp>
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# include <boost/preprocessor/tuple/eat.hpp>
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# include <boost/preprocessor/seq/fold_left.hpp>
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# include <boost/preprocessor/seq/push_back.hpp>
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# include <boost/preprocessor/seq/size.hpp>
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# include <boost/preprocessor/seq/enum.hpp>
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# include <boost/preprocessor/seq/push_back.hpp>
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# include <boost/preprocessor/detail/is_nullary.hpp>
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# include <boost/mpl/always.hpp>
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# include <boost/mpl/apply_wrap.hpp>
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namespace boost { namespace parameter { namespace aux {
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# if ! defined(BOOST_NO_SFINAE) && ! BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
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// Given Match, which is "void x" where x is an argument matching
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// criterion, extract a corresponding MPL predicate.
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template <class Match>
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struct unwrap_predicate;
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// Match anything
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template <>
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struct unwrap_predicate<void*>
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{
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typedef mpl::always<mpl::true_> type;
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};
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#if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580))
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typedef void* voidstar;
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// A matching predicate is explicitly specified
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template <class Predicate>
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struct unwrap_predicate<voidstar (Predicate)>
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{
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typedef Predicate type;
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};
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#else
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// A matching predicate is explicitly specified
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template <class Predicate>
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struct unwrap_predicate<void *(Predicate)>
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{
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typedef Predicate type;
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};
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#endif
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// A type to which the argument is supposed to be convertible is
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// specified
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template <class Target>
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struct unwrap_predicate<void (Target)>
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{
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typedef is_convertible<mpl::_, Target> type;
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};
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// Recast the ParameterSpec's nested match metafunction as a free metafunction
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template <
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class Parameters
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, BOOST_PP_ENUM_BINARY_PARAMS(
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BOOST_PARAMETER_MAX_ARITY, class A, = boost::parameter::void_ BOOST_PP_INTERCEPT
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)
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>
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struct match
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: Parameters::template match<
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BOOST_PP_ENUM_PARAMS(BOOST_PARAMETER_MAX_ARITY, A)
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>
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{};
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# endif
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# undef false_
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template <
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class Parameters
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, BOOST_PP_ENUM_BINARY_PARAMS(
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BOOST_PARAMETER_MAX_ARITY, class A, = boost::parameter::void_ BOOST_PP_INTERCEPT
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)
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>
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struct argument_pack
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{
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typedef typename make_arg_list<
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typename BOOST_PARAMETER_build_arg_list(
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BOOST_PARAMETER_MAX_ARITY, make_items, typename Parameters::parameter_spec, A
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)::type
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, typename Parameters::deduced_list
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, tag_keyword_arg
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, mpl::false_
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>::type result;
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typedef typename mpl::first<result>::type type;
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};
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// Works around VC6 problem where it won't accept rvalues.
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template <class T>
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T& as_lvalue(T& value, long)
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{
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return value;
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}
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template <class T>
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T const& as_lvalue(T const& value, int)
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{
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return value;
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}
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# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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template <class Predicate, class T, class Args>
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struct apply_predicate
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{
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BOOST_MPL_ASSERT((
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mpl::and_<mpl::false_,T>
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));
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typedef typename mpl::if_<
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typename mpl::apply2<Predicate,T,Args>::type
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, char
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, int
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>::type type;
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};
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template <class P>
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struct funptr_predicate
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{
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static P p;
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template <class T, class Args, class P0>
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static typename apply_predicate<P0,T,Args>::type
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check_predicate(type<T>, Args*, void**(*)(P0));
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template <class T, class Args, class P0>
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static typename mpl::if_<
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is_convertible<T,P0>
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, char
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, int
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>::type check_predicate(type<T>, Args*, void*(*)(P0));
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template <class T, class Args>
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struct apply
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{
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BOOST_STATIC_CONSTANT(bool, result =
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sizeof(check_predicate(boost::type<T>(), (Args*)0, &p)) == 1
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);
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typedef mpl::bool_<apply<T,Args>::result> type;
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};
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};
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template <>
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struct funptr_predicate<void**>
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: mpl::always<mpl::true_>
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{};
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# endif
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}}} // namespace boost::parameter::aux
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# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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// From Paul Mensonides
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# define BOOST_PARAMETER_IS_NULLARY(x) \
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BOOST_PP_SPLIT(1, BOOST_PARAMETER_IS_NULLARY_C x BOOST_PP_COMMA() 0) \
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/**/
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# define BOOST_PARAMETER_IS_NULLARY_C() \
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~, 1 BOOST_PP_RPAREN() \
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BOOST_PP_TUPLE_EAT(2) BOOST_PP_LPAREN() ~ \
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/**/
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# else
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# define BOOST_PARAMETER_IS_NULLARY(x) BOOST_PP_IS_NULLARY(x)
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# endif
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# define BOOST_PARAMETER_MEMBER_FUNCTION_CHECK_STATIC_static ()
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# define BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \
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BOOST_PARAMETER_IS_NULLARY( \
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BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_CHECK_STATIC_,name) \
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)
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# if !defined(BOOST_MSVC)
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_static
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC(name) \
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BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_, name)
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# else
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// Workaround for MSVC preprocessor.
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//
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// When stripping static from "static f", msvc will produce
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// " f". The leading whitespace doesn't go away when pasting
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// the token with something else, so this thing is a hack to
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// strip the whitespace.
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_static (
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_AUX(name) \
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BOOST_PP_CAT(BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_, name))
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC(name) \
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BOOST_PP_SEQ_HEAD( \
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BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC_AUX(name) \
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)
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# endif
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# define BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \
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BOOST_PP_EXPR_IF( \
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BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \
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, static \
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)
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# define BOOST_PARAMETER_MEMBER_FUNCTION_NAME(name) \
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BOOST_PP_IF( \
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BOOST_PARAMETER_MEMBER_FUNCTION_IS_STATIC(name) \
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, BOOST_PARAMETER_MEMBER_FUNCTION_STRIP_STATIC \
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, name BOOST_PP_TUPLE_EAT(1) \
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)(name)
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// Calculates [begin, end) arity range.
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# define BOOST_PARAMETER_ARITY_RANGE_M_optional(state) state
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# define BOOST_PARAMETER_ARITY_RANGE_M_deduced_optional(state) state
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# define BOOST_PARAMETER_ARITY_RANGE_M_required(state) BOOST_PP_INC(state)
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# define BOOST_PARAMETER_ARITY_RANGE_M_deduced_required(state) BOOST_PP_INC(state)
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# define BOOST_PARAMETER_ARITY_RANGE_M(s, state, x) \
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BOOST_PP_CAT( \
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BOOST_PARAMETER_ARITY_RANGE_M_ \
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, BOOST_PARAMETER_FN_ARG_QUALIFIER(x) \
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)(state)
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/**/
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# define BOOST_PARAMETER_ARITY_RANGE(args) \
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( \
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BOOST_PP_SEQ_FOLD_LEFT(BOOST_PARAMETER_ARITY_RANGE_M, 0, args) \
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, BOOST_PP_INC(BOOST_PP_SEQ_SIZE(args)) \
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)
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/**/
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// Accessor macros for the argument specs tuple.
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# define BOOST_PARAMETER_FN_ARG_QUALIFIER(x) \
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BOOST_PP_TUPLE_ELEM(4,0,x)
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/**/
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# define BOOST_PARAMETER_FN_ARG_NAME(x) \
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BOOST_PP_TUPLE_ELEM(4,1,x)
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/**/
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# define BOOST_PARAMETER_FN_ARG_PRED(x) \
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BOOST_PP_TUPLE_ELEM(4,2,x)
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/**/
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# define BOOST_PARAMETER_FN_ARG_DEFAULT(x) \
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BOOST_PP_TUPLE_ELEM(4,3,x)
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/**/
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# define BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_out(x)
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# define BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_in_out(x)
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// Returns 1 if x is either "out(k)" or "in_out(k)".
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# define BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER(x) \
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BOOST_PP_IS_EMPTY( \
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BOOST_PP_CAT(BOOST_PARAMETETER_FUNCTION_EAT_KEYWORD_QUALIFIER_, x) \
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) \
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/**/
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# define BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_out(x) x
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# define BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_in_out(x) x
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# define BOOST_PARAMETER_FUNCTION_KEYWORD_GET(x) \
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BOOST_PP_CAT(BOOST_PARAMETETER_FUNCTION_GET_KEYWORD_QUALIFIER_, x)
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/**/
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// Returns the keyword of x, where x is either a keyword qualifier
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// or a keyword.
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//
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// k => k
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// out(k) => k
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// in_out(k) => k
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//
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# define BOOST_PARAMETER_FUNCTION_KEYWORD(x) \
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BOOST_PP_IF( \
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BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER(x) \
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, BOOST_PARAMETER_FUNCTION_KEYWORD_GET \
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, x BOOST_PP_TUPLE_EAT(1) \
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)(x)
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/**/
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# define BOOST_PARAMETER_FN_ARG_KEYWORD(x) \
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BOOST_PARAMETER_FUNCTION_KEYWORD( \
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BOOST_PARAMETER_FN_ARG_NAME(x) \
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)
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// Builds forwarding functions.
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z(z, n) \
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template<BOOST_PP_ENUM_PARAMS_Z(z, n, class ParameterArgumentType)>
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/**/
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# if ! defined(BOOST_NO_SFINAE) && ! BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
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# define BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z(z, name, parameters, n) \
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, typename boost::parameter::aux::match< \
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parameters, BOOST_PP_ENUM_PARAMS(n, ParameterArgumentType) \
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>::type = parameters()
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# else
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# define BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z(z, name, parameters, n)
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# endif
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/**/
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# define BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(base) \
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BOOST_PP_CAT( \
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boost_param_parameters_ \
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, BOOST_PP_CAT(__LINE__, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base)) \
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)
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// Produce a name for a result type metafunction for the function
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// named base
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# define BOOST_PARAMETER_FUNCTION_RESULT_NAME(base) \
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BOOST_PP_CAT( \
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boost_param_result_ \
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, BOOST_PP_CAT(__LINE__,BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base)) \
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)
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// Can't do boost_param_impl_ ## basee because base might start with an underscore
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// daniel: what? how is that relevant? the reason for using CAT() is to make sure
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// base is expanded. i'm not sure we need to here, but it's more stable to do it.
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# define BOOST_PARAMETER_IMPL(base) \
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BOOST_PP_CAT(boost_param_impl,BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base))
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00(z, n, r, data, elem) \
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BOOST_PP_IF( \
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n \
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, BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z, BOOST_PP_TUPLE_EAT(2) \
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)(z,n) \
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BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(7,3,data)) \
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inline \
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BOOST_PP_EXPR_IF(n, typename) \
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BOOST_PARAMETER_FUNCTION_RESULT_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))< \
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BOOST_PP_EXPR_IF(n, typename) \
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boost::parameter::aux::argument_pack< \
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BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data)) \
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_IF( \
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n, BOOST_PP_SEQ_ENUM, BOOST_PP_TUPLE_EAT(1) \
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)(elem) \
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>::type \
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>::type \
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BOOST_PARAMETER_MEMBER_FUNCTION_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))( \
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BOOST_PP_IF( \
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n \
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, BOOST_PP_SEQ_FOR_EACH_I_R \
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, BOOST_PP_TUPLE_EAT(4) \
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)( \
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r \
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, BOOST_PARAMETER_FUNCTION_ARGUMENT \
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, ~ \
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, elem \
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) \
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BOOST_PP_IF(n, BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z, BOOST_PP_TUPLE_EAT(4))( \
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z \
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, BOOST_PP_TUPLE_ELEM(7,3,data) \
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, BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data)) \
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, n \
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) \
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) BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(7,4,data), const) \
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{ \
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return BOOST_PARAMETER_IMPL(BOOST_PP_TUPLE_ELEM(7,3,data))( \
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BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(BOOST_PP_TUPLE_ELEM(7,3,data))()( \
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BOOST_PP_ENUM_PARAMS_Z(z, n, a) \
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) \
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); \
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}
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION0(r, data, elem) \
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BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00( \
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BOOST_PP_TUPLE_ELEM(7,0,data) \
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, BOOST_PP_TUPLE_ELEM(7,1,data) \
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, r \
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, data \
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, elem \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_0(z, n, data) \
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BOOST_PARAMETER_FUNCTION_FWD_FUNCTION00( \
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z, n, BOOST_PP_DEDUCE_R() \
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, (z, n, BOOST_PP_TUPLE_REM(5) data) \
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, ~ \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_N(z, n, data) \
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BOOST_PP_SEQ_FOR_EACH( \
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BOOST_PARAMETER_FUNCTION_FWD_FUNCTION0 \
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, (z, n, BOOST_PP_TUPLE_REM(5) data) \
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, BOOST_PP_SEQ_FOR_EACH_PRODUCT( \
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BOOST_PARAMETER_FUNCTION_FWD_PRODUCT \
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, BOOST_PP_SEQ_FIRST_N( \
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n, BOOST_PP_TUPLE_ELEM(5,3,data) \
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) \
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) \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTION(z, n, data) \
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BOOST_PP_IF( \
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n \
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, BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_N \
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, BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_ARITY_0 \
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)(z,n,data) \
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS0( \
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result,name,args,const_,combinations,range \
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) \
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BOOST_PP_REPEAT_FROM_TO( \
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BOOST_PP_TUPLE_ELEM(2,0,range), BOOST_PP_TUPLE_ELEM(2,1,range) \
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, BOOST_PARAMETER_FUNCTION_FWD_FUNCTION \
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, (result,name,const_,combinations,BOOST_PP_TUPLE_ELEM(2,1,range)) \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS(result,name,args, const_, combinations) \
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BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS0( \
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result, name, args, const_, combinations, BOOST_PARAMETER_ARITY_RANGE(args) \
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)
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/**/
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// Builds boost::parameter::parameters<> specialization
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# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_optional(tag) \
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optional<tag
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# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_required(tag) \
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required<tag
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# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_deduced_optional(tag) \
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optional<boost::parameter::deduced<tag>
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# define BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_deduced_required(tag) \
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required<boost::parameter::deduced<tag>
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# if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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|
|
# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \
|
|
BOOST_PP_COMMA_IF(i) \
|
|
boost::parameter::BOOST_PP_CAT( \
|
|
BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_ \
|
|
, BOOST_PARAMETER_FN_ARG_QUALIFIER(elem) \
|
|
)( \
|
|
tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \
|
|
BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \
|
|
) \
|
|
) \
|
|
, typename boost::parameter::aux::unwrap_predicate< \
|
|
void BOOST_PARAMETER_FN_ARG_PRED(elem) \
|
|
>::type \
|
|
>
|
|
# elif BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
|
|
# define BOOST_PARAMETER_FUNCTION_PARAMETERS_M(r,tag_namespace,i,elem) \
|
|
BOOST_PP_COMMA_IF(i) \
|
|
boost::parameter::BOOST_PP_CAT( \
|
|
BOOST_PARAMETER_FUNCTION_PARAMETERS_QUALIFIER_ \
|
|
, BOOST_PARAMETER_FN_ARG_QUALIFIER(elem) \
|
|
)( \
|
|
tag_namespace::BOOST_PARAMETER_FUNCTION_KEYWORD( \
|
|
BOOST_PARAMETER_FN_ARG_KEYWORD(elem) \
|
|
) \
|
|
) \
|
|
, boost::mpl::always<boost::mpl::true_> \
|
|
>
|
|
# endif
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, base, args) \
|
|
template <class BoostParameterDummy> \
|
|
struct BOOST_PP_CAT( \
|
|
BOOST_PP_CAT(boost_param_params_, __LINE__) \
|
|
, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base) \
|
|
) : boost::parameter::parameters< \
|
|
BOOST_PP_SEQ_FOR_EACH_I( \
|
|
BOOST_PARAMETER_FUNCTION_PARAMETERS_M, tag_namespace, args \
|
|
) \
|
|
> \
|
|
{}; \
|
|
\
|
|
typedef BOOST_PP_CAT( \
|
|
BOOST_PP_CAT(boost_param_params_, __LINE__) \
|
|
, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(base) \
|
|
)<int>
|
|
|
|
// Defines result type metafunction
|
|
# define BOOST_PARAMETER_FUNCTION_RESULT_ARG(z, _, i, x) \
|
|
BOOST_PP_COMMA_IF(i) class BOOST_PP_TUPLE_ELEM(3,1,x)
|
|
/**/
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_RESULT_(result, name, args) \
|
|
template <class Args> \
|
|
struct BOOST_PARAMETER_FUNCTION_RESULT_NAME(name) \
|
|
{ \
|
|
typedef typename BOOST_PARAMETER_PARENTHESIZED_TYPE(result) type; \
|
|
};
|
|
|
|
// Defines implementation function
|
|
# define BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name) \
|
|
template <class Args> \
|
|
typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)< \
|
|
Args \
|
|
>::type BOOST_PARAMETER_IMPL(name)(Args const& args)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_IMPL_FWD(name) \
|
|
BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name);
|
|
/**/
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_required(state, arg) \
|
|
( \
|
|
BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 0, state)) \
|
|
, BOOST_PP_SEQ_PUSH_BACK(BOOST_PP_TUPLE_ELEM(4, 1, state), arg) \
|
|
, BOOST_PP_TUPLE_ELEM(4, 2, state) \
|
|
, BOOST_PP_TUPLE_ELEM(4, 3, state) \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_deduced_required(state, arg) \
|
|
BOOST_PARAMETER_FUNCTION_SPLIT_ARG_required(state, arg)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_optional(state, arg) \
|
|
( \
|
|
BOOST_PP_TUPLE_ELEM(4, 0, state) \
|
|
, BOOST_PP_TUPLE_ELEM(4, 1, state) \
|
|
, BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 2, state)) \
|
|
, BOOST_PP_SEQ_PUSH_BACK(BOOST_PP_TUPLE_ELEM(4, 3, state), arg) \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG_deduced_optional(state, arg) \
|
|
BOOST_PARAMETER_FUNCTION_SPLIT_ARG_optional(state, arg)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARG(s, state, arg) \
|
|
BOOST_PP_CAT( \
|
|
BOOST_PARAMETER_FUNCTION_SPLIT_ARG_ \
|
|
, BOOST_PARAMETER_FN_ARG_QUALIFIER(arg) \
|
|
)(state, arg)
|
|
|
|
// Returns (required_count, required, optional_count, optionals) tuple
|
|
# define BOOST_PARAMETER_FUNCTION_SPLIT_ARGS(args) \
|
|
BOOST_PP_SEQ_FOLD_LEFT( \
|
|
BOOST_PARAMETER_FUNCTION_SPLIT_ARG \
|
|
, (0,BOOST_PP_SEQ_NIL, 0,BOOST_PP_SEQ_NIL) \
|
|
, args \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME(keyword) \
|
|
BOOST_PP_CAT(BOOST_PP_CAT(keyword,_),type)
|
|
|
|
// Helpers used as parameters to BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG(r, _, arg) \
|
|
, class BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME( \
|
|
BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG(r, _, arg) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG_NAME( \
|
|
BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \
|
|
)& BOOST_PARAMETER_FN_ARG_KEYWORD(arg)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER(r, _, arg) \
|
|
, BOOST_PARAMETER_FN_ARG_KEYWORD(arg)
|
|
|
|
// Produces a name for the dispatch functions.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name) \
|
|
BOOST_PP_CAT( \
|
|
boost_param_default_ \
|
|
, BOOST_PP_CAT(__LINE__, BOOST_PARAMETER_MEMBER_FUNCTION_NAME(name)) \
|
|
)
|
|
|
|
// Helper macro used below to produce lists based on the keyword argument
|
|
// names. macro is applied to every element. n is the number of
|
|
// optional arguments that should be included.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS(macro, n, split_args) \
|
|
BOOST_PP_SEQ_FOR_EACH( \
|
|
macro \
|
|
, ~ \
|
|
, BOOST_PP_TUPLE_ELEM(4,1,split_args) \
|
|
) \
|
|
BOOST_PP_SEQ_FOR_EACH( \
|
|
macro \
|
|
, ~ \
|
|
, BOOST_PP_SEQ_FIRST_N( \
|
|
BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), n) \
|
|
, BOOST_PP_TUPLE_ELEM(4,3,split_args) \
|
|
) \
|
|
)
|
|
|
|
// Generates a keyword | default expression.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT(arg, tag_namespace) \
|
|
boost::parameter::keyword< \
|
|
tag_namespace::BOOST_PARAMETER_FN_ARG_KEYWORD(arg) \
|
|
>::instance | boost::parameter::aux::use_default_tag()
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_GET_ARG(arg, tag_ns) \
|
|
BOOST_PARAMETER_FUNCTION_CAST( \
|
|
args[ \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT( \
|
|
arg, tag_ns \
|
|
) \
|
|
] \
|
|
, BOOST_PARAMETER_FN_ARG_PRED(arg) \
|
|
, Args \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY(name, n, split_args, tag_namespace) \
|
|
{ \
|
|
return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
|
|
(ResultType(*)())0 \
|
|
, args \
|
|
, 0L \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER \
|
|
, n \
|
|
, split_args \
|
|
) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_GET_ARG( \
|
|
BOOST_PP_SEQ_ELEM( \
|
|
BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), n) \
|
|
, BOOST_PP_TUPLE_ELEM(4,3,split_args) \
|
|
) \
|
|
, tag_namespace \
|
|
) \
|
|
); \
|
|
}
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_ACTUAL_DEFAULT(arg) \
|
|
BOOST_PARAMETER_FUNCTION_CAST( \
|
|
boost::parameter::aux::as_lvalue(BOOST_PARAMETER_FN_ARG_DEFAULT(arg), 0L) \
|
|
, BOOST_PARAMETER_FN_ARG_PRED(arg) \
|
|
, Args \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT_BODY(name, n, split_args, tag_ns, const_) \
|
|
template < \
|
|
class ResultType \
|
|
, class Args \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \
|
|
, BOOST_PP_INC(n) \
|
|
, split_args \
|
|
) \
|
|
> \
|
|
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \
|
|
ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
|
|
ResultType(*)() \
|
|
, Args const& args \
|
|
, long \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \
|
|
, BOOST_PP_INC(n) \
|
|
, split_args \
|
|
) \
|
|
, boost::parameter::aux::use_default_tag \
|
|
) BOOST_PP_EXPR_IF(const_, const) \
|
|
{ \
|
|
return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
|
|
(ResultType(*)())0 \
|
|
, args \
|
|
, 0L \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_PARAMETER \
|
|
, BOOST_PP_INC(n) \
|
|
, split_args \
|
|
) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_ACTUAL_DEFAULT( \
|
|
BOOST_PP_SEQ_ELEM( \
|
|
BOOST_PP_SUB(BOOST_PP_TUPLE_ELEM(4,2,split_args), BOOST_PP_INC(n)) \
|
|
, BOOST_PP_TUPLE_ELEM(4,3,split_args) \
|
|
) \
|
|
) \
|
|
); \
|
|
}
|
|
|
|
// Produces a forwarding layer in the default evaluation machine.
|
|
//
|
|
// data is a tuple:
|
|
//
|
|
// (name, split_args)
|
|
//
|
|
// Where name is the base name of the function, and split_args is a tuple:
|
|
//
|
|
// (required_count, required_args, optional_count, required_args)
|
|
//
|
|
|
|
|
|
// defines the actual function body for BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION below.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION0(z, n, data) \
|
|
template < \
|
|
class ResultType \
|
|
, class Args \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \
|
|
, n \
|
|
, BOOST_PP_TUPLE_ELEM(5,1,data) \
|
|
) \
|
|
> \
|
|
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(BOOST_PP_TUPLE_ELEM(5,0,data)) \
|
|
ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(BOOST_PP_TUPLE_ELEM(5,0,data))( \
|
|
ResultType(*)() \
|
|
, Args const& args \
|
|
, int \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \
|
|
, n \
|
|
, BOOST_PP_TUPLE_ELEM(5,1,data) \
|
|
) \
|
|
) BOOST_PP_EXPR_IF(BOOST_PP_TUPLE_ELEM(5,2,data), const) \
|
|
BOOST_PP_IF( \
|
|
n \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_BODY \
|
|
, ; BOOST_PP_TUPLE_EAT(4) \
|
|
)( \
|
|
BOOST_PP_TUPLE_ELEM(5,0,data) \
|
|
, n \
|
|
, BOOST_PP_TUPLE_ELEM(5,1,data) \
|
|
, BOOST_PP_TUPLE_ELEM(5,3,data) \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION(z, n, data) \
|
|
BOOST_PP_IF( \
|
|
BOOST_PP_AND( \
|
|
BOOST_PP_NOT(n) \
|
|
, BOOST_PP_TUPLE_ELEM(5,4,data) \
|
|
) \
|
|
, BOOST_PP_TUPLE_EAT(3) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION0 \
|
|
)(z, n, data) \
|
|
BOOST_PP_IF( \
|
|
BOOST_PP_EQUAL(n, BOOST_PP_TUPLE_ELEM(4,2,BOOST_PP_TUPLE_ELEM(5,1,data))) \
|
|
, BOOST_PP_TUPLE_EAT(5) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_EVAL_DEFAULT_BODY \
|
|
)( \
|
|
BOOST_PP_TUPLE_ELEM(5,0,data) \
|
|
, n \
|
|
, BOOST_PP_TUPLE_ELEM(5,1,data) \
|
|
, BOOST_PP_TUPLE_ELEM(5,3,data) \
|
|
, BOOST_PP_TUPLE_ELEM(5,2,data) \
|
|
)
|
|
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_GET_ARG(r, tag_ns, arg) \
|
|
, BOOST_PARAMETER_FUNCTION_CAST( \
|
|
args[ \
|
|
boost::parameter::keyword<tag_ns::BOOST_PARAMETER_FN_ARG_KEYWORD(arg)>::instance \
|
|
] \
|
|
, BOOST_PARAMETER_FN_ARG_PRED(arg) \
|
|
, Args \
|
|
)
|
|
|
|
// Generates the function template that recives a ArgumentPack, and then
|
|
// goes on to call the layers of overloads generated by
|
|
// BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER.
|
|
# define BOOST_PARAMETER_FUNCTION_INITIAL_DISPATCH_FUNCTION(name, split_args, const_, tag_ns) \
|
|
template <class Args> \
|
|
typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)<Args>::type \
|
|
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \
|
|
BOOST_PARAMETER_IMPL(name)(Args const& args) BOOST_PP_EXPR_IF(const_, const) \
|
|
{ \
|
|
return BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
|
|
(typename BOOST_PARAMETER_FUNCTION_RESULT_NAME(name)<Args>::type(*)())0 \
|
|
, args \
|
|
, 0L \
|
|
\
|
|
BOOST_PP_SEQ_FOR_EACH( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_GET_ARG \
|
|
, tag_ns \
|
|
, BOOST_PP_TUPLE_ELEM(4,1,split_args) \
|
|
) \
|
|
\
|
|
); \
|
|
}
|
|
|
|
// Helper for BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER below.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER_AUX( \
|
|
name, split_args, skip_fwd_decl, const_, tag_namespace \
|
|
) \
|
|
BOOST_PP_REPEAT_FROM_TO( \
|
|
0 \
|
|
, BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(4, 2, split_args)) \
|
|
, BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION \
|
|
, (name, split_args, const_, tag_namespace, skip_fwd_decl) \
|
|
) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_INITIAL_DISPATCH_FUNCTION(name, split_args, const_, tag_namespace) \
|
|
\
|
|
template < \
|
|
class ResultType \
|
|
, class Args \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_TEMPLATE_ARG \
|
|
, 0 \
|
|
, split_args \
|
|
) \
|
|
> \
|
|
BOOST_PARAMETER_MEMBER_FUNCTION_STATIC(name) \
|
|
ResultType BOOST_PARAMETER_FUNCTION_DEFAULT_NAME(name)( \
|
|
ResultType(*)() \
|
|
, Args const& \
|
|
, int \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_ARGUMENTS( \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_FUNCTION_ARG \
|
|
, 0 \
|
|
, split_args \
|
|
) \
|
|
) BOOST_PP_EXPR_IF(const_, const)
|
|
|
|
// Generates a bunch of forwarding functions that each extract
|
|
// one more argument.
|
|
# define BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, skip_fwd_decl, const_, tag_ns) \
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER_AUX( \
|
|
name, BOOST_PARAMETER_FUNCTION_SPLIT_ARGS(args), skip_fwd_decl, const_, tag_ns \
|
|
)
|
|
/**/
|
|
|
|
// Defines the result metafunction and the parameters specialization.
|
|
# define BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_FUNCTION_RESULT_(result, name, args) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, name, args) \
|
|
BOOST_PARAMETER_FUNCTION_PARAMETERS_NAME(name); \
|
|
|
|
// Helper for BOOST_PARAMETER_FUNCTION below.
|
|
# define BOOST_PARAMETER_FUNCTION_AUX(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name); \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \
|
|
result, name, args, 0 \
|
|
, BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
|
|
) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, 0, 0, tag_namespace)
|
|
|
|
// Defines a Boost.Parameter enabled function with the new syntax.
|
|
# define BOOST_PARAMETER_FUNCTION(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_FUNCTION_AUX( \
|
|
result, name, tag_namespace \
|
|
, BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \
|
|
) \
|
|
/**/
|
|
|
|
// Defines a Boost.Parameter enabled function.
|
|
# define BOOST_PARAMETER_BASIC_FUNCTION_AUX(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_IMPL_FWD(name) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \
|
|
result, name, args, 0 \
|
|
, BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
|
|
) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name)
|
|
|
|
# define BOOST_PARAMETER_BASIC_FUNCTION(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_BASIC_FUNCTION_AUX( \
|
|
result, name, tag_namespace \
|
|
, BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \
|
|
) \
|
|
/**/
|
|
|
|
// Defines a Boost.Parameter enabled member function.
|
|
# define BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX(result, name, tag_namespace, args, const_) \
|
|
BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \
|
|
result, name, args, const_ \
|
|
, BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
|
|
) \
|
|
\
|
|
BOOST_PARAMETER_FUNCTION_IMPL_HEAD(name) BOOST_PP_EXPR_IF(const_, const) \
|
|
/**/
|
|
|
|
# define BOOST_PARAMETER_BASIC_MEMBER_FUNCTION(result, name, tag_namespace, args) \
|
|
BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX( \
|
|
result, name, tag_namespace \
|
|
, BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \
|
|
, 0 \
|
|
)
|
|
/**/
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# define BOOST_PARAMETER_BASIC_CONST_MEMBER_FUNCTION(result, name, tag_namespace, args) \
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BOOST_PARAMETER_BASIC_MEMBER_FUNCTION_AUX( \
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result, name, tag_namespace \
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, BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \
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, 1 \
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)
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/**/
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# define BOOST_PARAMETER_MEMBER_FUNCTION_AUX(result, name, tag_namespace, const_, args) \
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BOOST_PARAMETER_FUNCTION_HEAD(result, name, tag_namespace, args) \
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\
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BOOST_PARAMETER_FUNCTION_FWD_FUNCTIONS( \
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result, name, args, const_ \
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, BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
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) \
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\
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BOOST_PARAMETER_FUNCTION_DEFAULT_LAYER(name, args, 1, const_, tag_namespace)
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// Defines a Boost.Parameter enabled function with the new syntax.
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# define BOOST_PARAMETER_MEMBER_FUNCTION(result, name, tag_namespace, args) \
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BOOST_PARAMETER_MEMBER_FUNCTION_AUX( \
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result, name, tag_namespace, 0 \
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, BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \
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) \
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/**/
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# define BOOST_PARAMETER_CONST_MEMBER_FUNCTION(result, name, tag_namespace, args) \
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BOOST_PARAMETER_MEMBER_FUNCTION_AUX( \
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result, name, tag_namespace, 1 \
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, BOOST_PARAMETER_FLATTEN(3, 2, 3, args) \
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) \
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/**/
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// Defines a Boost.Parameter enabled constructor.
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# define BOOST_PARAMETER_FUNCTION_ARGUMENT(r, _, i, elem) \
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BOOST_PP_COMMA_IF(i) elem& BOOST_PP_CAT(a, i)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00(z, n, r, data, elem) \
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BOOST_PP_IF( \
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n \
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, BOOST_PARAMETER_FUNCTION_FWD_FUNCTION_TEMPLATE_Z, BOOST_PP_TUPLE_EAT(2) \
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)(z, n) \
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BOOST_PP_EXPR_IF(BOOST_PP_EQUAL(n,1), explicit) \
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BOOST_PP_TUPLE_ELEM(6,2,data)( \
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BOOST_PP_IF( \
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n \
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, BOOST_PP_SEQ_FOR_EACH_I_R \
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, BOOST_PP_TUPLE_EAT(4) \
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)( \
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r \
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, BOOST_PARAMETER_FUNCTION_ARGUMENT \
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, ~ \
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, elem \
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) \
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BOOST_PP_IF(n, BOOST_PARAMETER_FUNCTION_FWD_MATCH_Z, BOOST_PP_TUPLE_EAT(4))( \
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z \
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, BOOST_PP_TUPLE_ELEM(6,3,data) \
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, BOOST_PP_CAT(constructor_parameters, __LINE__) \
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, n \
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) \
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) \
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: BOOST_PARAMETER_PARENTHESIZED_TYPE(BOOST_PP_TUPLE_ELEM(6,3,data)) ( \
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BOOST_PP_CAT(constructor_parameters, __LINE__)()( \
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BOOST_PP_ENUM_PARAMS_Z(z, n, a) \
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) \
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) \
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{}
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR0(r, data, elem) \
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BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00( \
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BOOST_PP_TUPLE_ELEM(6,0,data) \
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, BOOST_PP_TUPLE_ELEM(6,1,data) \
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, r \
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, data \
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, elem \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_PRODUCT(r, product) \
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(product)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_0(z, n, data) \
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BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR00( \
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z, n, BOOST_PP_DEDUCE_R() \
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, (z, n, BOOST_PP_TUPLE_REM(4) data) \
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, ~ \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_N(z, n, data) \
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BOOST_PP_SEQ_FOR_EACH( \
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BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR0 \
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, (z, n, BOOST_PP_TUPLE_REM(4) data) \
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, BOOST_PP_SEQ_FOR_EACH_PRODUCT( \
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BOOST_PARAMETER_FUNCTION_FWD_PRODUCT \
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, BOOST_PP_SEQ_FIRST_N( \
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n, BOOST_PP_TUPLE_ELEM(4,2,data) \
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) \
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) \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR(z, n, data) \
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BOOST_PP_IF( \
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n \
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, BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_N \
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, BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR_ARITY_0 \
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)(z,n,data) \
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS0(class_,base,args,combinations,range) \
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BOOST_PP_REPEAT_FROM_TO( \
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BOOST_PP_TUPLE_ELEM(2,0,range), BOOST_PP_TUPLE_ELEM(2,1,range) \
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|
, BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTOR \
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, (class_,base,combinations,BOOST_PP_TUPLE_ELEM(2,1,range)) \
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)
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/**/
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# define BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS(class_,base,args,combinations) \
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|
BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS0( \
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class_, base, args, combinations, BOOST_PARAMETER_ARITY_RANGE(args) \
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|
)
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/**/
|
|
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# define BOOST_PARAMETER_CONSTRUCTOR_AUX(class_, base, tag_namespace, args) \
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|
BOOST_PARAMETER_FUNCTION_PARAMETERS(tag_namespace, ctor, args) \
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|
BOOST_PP_CAT(constructor_parameters, __LINE__); \
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|
\
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|
BOOST_PARAMETER_FUNCTION_FWD_CONSTRUCTORS( \
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|
class_, base, args \
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, BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
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) \
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/**/
|
|
|
|
# define BOOST_PARAMETER_CONSTRUCTOR(class_, base, tag_namespace, args) \
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|
BOOST_PARAMETER_CONSTRUCTOR_AUX( \
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|
class_, base, tag_namespace \
|
|
, BOOST_PARAMETER_FLATTEN(2, 2, 3, args) \
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|
)
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/**/
|
|
|
|
# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
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|
# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATION(r, _, i, elem) \
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|
(BOOST_PP_IF( \
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BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER( \
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|
BOOST_PARAMETER_FN_ARG_NAME(elem) \
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|
) \
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|
, (const ParameterArgumentType ## i)(ParameterArgumentType ## i) \
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|
, (const ParameterArgumentType ## i) \
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|
))
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|
// No partial ordering. This feature doesn't work.
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|
# else
|
|
# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATION(r, _, i, elem) \
|
|
(BOOST_PP_IF( \
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BOOST_PARAMETER_FUNCTION_IS_KEYWORD_QUALIFIER( \
|
|
BOOST_PARAMETER_FN_ARG_NAME(elem) \
|
|
) \
|
|
, (ParameterArgumentType ## i) \
|
|
, (const ParameterArgumentType ## i) \
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|
))
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# endif
|
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|
|
# define BOOST_PARAMETER_FUNCTION_FWD_COMBINATIONS(args) \
|
|
BOOST_PP_SEQ_FOR_EACH_I(BOOST_PARAMETER_FUNCTION_FWD_COMBINATION, ~, args)
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|
|
#endif // BOOST_PARAMETER_PREPROCESSOR_060206_HPP
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|