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147 lines
5.8 KiB
C++
147 lines
5.8 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_NAME_060806_HPP
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# define BOOST_PARAMETER_NAME_060806_HPP
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# include <boost/parameter/keyword.hpp>
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# include <boost/parameter/value_type.hpp>
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# include <boost/detail/workaround.hpp>
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/stringize.hpp>
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# include <boost/preprocessor/control/iif.hpp>
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# include <boost/preprocessor/tuple/eat.hpp>
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# include <boost/preprocessor/tuple/elem.hpp>
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# include <boost/mpl/placeholders.hpp>
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# if !defined(BOOST_NO_SFINAE) \
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&& !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x592))
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# include <boost/utility/enable_if.hpp>
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# include <boost/mpl/lambda.hpp>
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namespace boost { namespace parameter { namespace aux {
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// Tag type passed to MPL lambda.
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struct lambda_tag;
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struct name_tag_base
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{};
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template <class Tag>
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struct name_tag
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{};
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template <class T>
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struct is_name_tag
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: mpl::false_
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{};
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}}} // namespace boost::parameter::aux
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namespace boost { namespace mpl {
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template <class T>
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struct lambda<
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T
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, typename boost::enable_if<
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parameter::aux::is_name_tag<T>, parameter::aux::lambda_tag
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>::type
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>
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{
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typedef true_ is_le;
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typedef bind3< quote3<parameter::value_type>, arg<2>, T, void> result_;
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typedef result_ type;
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};
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}} // namespace boost::mpl
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# endif
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# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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# include <boost/preprocessor/detail/split.hpp>
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// From Paul Mensonides
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# define BOOST_PARAMETER_IS_BINARY(x) \
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BOOST_PP_SPLIT(1, BOOST_PARAMETER_IS_BINARY_C x BOOST_PP_COMMA() 0) \
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/**/
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# define BOOST_PARAMETER_IS_BINARY_C(x,y) \
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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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# include <boost/preprocessor/detail/is_binary.hpp>
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# define BOOST_PARAMETER_IS_BINARY(x) BOOST_PP_IS_BINARY(x)
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# endif
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# define BOOST_PARAMETER_BASIC_NAME(tag_namespace, tag, name) \
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namespace tag_namespace \
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{ \
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struct tag \
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{ \
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static char const* keyword_name() \
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{ \
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return BOOST_PP_STRINGIZE(tag); \
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} \
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\
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typedef boost::parameter::value_type< \
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boost::mpl::_2, tag, boost::parameter::void_ \
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> _; \
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\
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typedef boost::parameter::value_type< \
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boost::mpl::_2, tag, boost::parameter::void_ \
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> _1; \
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}; \
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} \
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namespace \
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{ \
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::boost::parameter::keyword<tag_namespace::tag> const& name \
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= ::boost::parameter::keyword<tag_namespace::tag>::instance; \
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}
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# define BOOST_PARAMETER_COMPLEX_NAME_TUPLE1(tag,namespace) \
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(tag, namespace), ~
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# define BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name) \
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BOOST_PP_TUPLE_ELEM(2, 0, (BOOST_PARAMETER_COMPLEX_NAME_TUPLE1 name))
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# define BOOST_PARAMETER_COMPLEX_NAME_TAG(name) \
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BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name))
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# define BOOST_PARAMETER_COMPLEX_NAME_NAMESPACE(name) \
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BOOST_PP_TUPLE_ELEM(2, 1, BOOST_PARAMETER_COMPLEX_NAME_TUPLE(name))
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# define BOOST_PARAMETER_COMPLEX_NAME(name) \
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BOOST_PARAMETER_BASIC_NAME( \
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BOOST_PARAMETER_COMPLEX_NAME_NAMESPACE(name) \
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, BOOST_PP_TUPLE_EAT(2) name \
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, BOOST_PARAMETER_COMPLEX_NAME_TAG(name) \
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) \
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/**/
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# define BOOST_PARAMETER_SIMPLE_NAME(name) \
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BOOST_PARAMETER_BASIC_NAME(tag, name, BOOST_PP_CAT(_, name))
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# define BOOST_PARAMETER_NAME(name) \
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BOOST_PP_IIF( \
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BOOST_PARAMETER_IS_BINARY(name) \
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, BOOST_PARAMETER_COMPLEX_NAME \
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, BOOST_PARAMETER_SIMPLE_NAME \
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)(name) \
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/**/
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# define BOOST_PARAMETER_TEMPLATE_KEYWORD(name) \
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namespace tag \
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{ \
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struct name; \
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} \
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template <class T> \
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struct name \
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: boost::parameter::template_keyword<tag::name, T> \
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{}; \
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/**/
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#endif // BOOST_PARAMETER_NAME_060806_HPP
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