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-rw-r--r--boost/spirit/home/x3/directive/matches.hpp51
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diff --git a/boost/spirit/home/x3/directive/matches.hpp b/boost/spirit/home/x3/directive/matches.hpp
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+/*=============================================================================
+ Copyright (c) 2015 Mario Lang
+ Copyright (c) 2001-2011 Hartmut Kaiser
+
+ 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)
+=============================================================================*/
+#if !defined(BOOST_SPIRIT_HOME_X3_EXTENSIONS_MATCHES_HPP)
+#define BOOST_SPIRIT_HOME_X3_EXTENSIONS_MATCHES_HPP
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/spirit/home/x3/support/traits/move_to.hpp>
+#include <boost/spirit/home/x3/support/unused.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+ template <typename Subject>
+ struct matches_directive : unary_parser<Subject, matches_directive<Subject>>
+ {
+ using base_type = unary_parser<Subject, matches_directive<Subject>>;
+ static bool const has_attribute = true;
+ using attribute_type = bool;
+
+ matches_directive(Subject const& subject) : base_type(subject) {}
+
+ template <typename Iterator, typename Context
+ , typename RContext, typename Attribute>
+ bool parse(Iterator& first, Iterator const& last
+ , Context const& context, RContext& rcontext, Attribute& attr) const
+ {
+ bool const result = this->subject.parse(
+ first, last, context, rcontext, unused);
+ traits::move_to(result, attr);
+ return true;
+ }
+ };
+
+ struct matches_gen
+ {
+ template <typename Subject>
+ matches_directive<typename extension::as_parser<Subject>::value_type>
+ operator[](Subject const& subject) const
+ {
+ return { as_parser(subject) };
+ }
+ };
+
+ auto const matches = matches_gen{};
+}}}
+
+#endif