1 files changed, 47 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/operator/not_predicate.hpp b/boost/spirit/home/x3/operator/not_predicate.hpp
new file mode 100644
index 0000000000..38b24bd2e2
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+++ b/boost/spirit/home/x3/operator/not_predicate.hpp
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+/*=============================================================================
+    Copyright (c) 2001-2014 Joel de Guzman
+
+    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(SPIRIT_NOT_PREDICATE_MARCH_23_2007_0618PM)
+#define SPIRIT_NOT_PREDICATE_MARCH_23_2007_0618PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+    template <typename Subject>
+    struct not_predicate : unary_parser<Subject, not_predicate<Subject>>
+    {
+        typedef unary_parser<Subject, not_predicate<Subject>> base_type;
+
+        typedef unused_type attribute_type;
+        static bool const has_attribute = false;
+
+        not_predicate(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
+        {
+            Iterator i = first;
+            return !this->subject.parse(i, last, context, rcontext, unused);
+        }
+    };
+
+    template <typename Subject>
+    inline not_predicate<typename extension::as_parser<Subject>::value_type>
+    operator!(Subject const& subject)
+    {
+        return {as_parser(subject)};
+    }
+}}}
+
+#endif