1 files changed, 41 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/test/x3/bool.hpp b/src/boost/libs/spirit/test/x3/bool.hpp
new file mode 100644
index 00000000..f06b884c
--- /dev/null
+++ b/src/boost/libs/spirit/test/x3/bool.hpp
@@ -0,0 +1,41 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Hartmut Kaiser
+    Copyright (c) 2011      Bryce Lelbach
+
+    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_TEST_QI_BOOL)
+#define BOOST_SPIRIT_TEST_QI_BOOL
+
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/spirit/home/x3.hpp>
+#include "test.hpp"
+
+///////////////////////////////////////////////////////////////////////////////
+struct backwards_bool_policies : boost::spirit::x3::bool_policies<>
+{
+    // we want to interpret a 'true' spelled backwards as 'false'
+    template <typename Iterator, typename Attribute, typename CaseCompare>
+    static bool
+    parse_false(Iterator& first, Iterator const& last, Attribute& attr, CaseCompare const& case_compare)
+    {
+        namespace spirit = boost::spirit;
+        namespace x3 = boost::spirit::x3;
+        if (x3::detail::string_parse("eurt", first, last, x3::unused, case_compare))
+        {
+            x3::traits::move_to(false, attr);   // result is false
+            return true;
+        }
+        return false;
+    }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+struct test_bool_type
+{
+    test_bool_type(bool b = false) : b(b) {}    // provide conversion
+    bool b;
+};
+
+#endif