1 files changed, 54 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/char/literal_char.hpp b/boost/spirit/home/x3/char/literal_char.hpp
new file mode 100644
index 0000000000..94b2a239a6
--- /dev/null
+++ b/boost/spirit/home/x3/char/literal_char.hpp
@@ -0,0 +1,54 @@
+/*=============================================================================
+    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(BOOST_SPIRIT_X3_LITERAL_CHAR_APRIL_16_2006_1051AM)
+#define BOOST_SPIRIT_X3_LITERAL_CHAR_APRIL_16_2006_1051AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/char/char_parser.hpp>
+#include <boost/spirit/home/x3/support/utility/utf8.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost { namespace spirit { namespace x3
+{
+    template <typename Encoding, typename Attribute = typename Encoding::char_type>
+    struct literal_char : char_parser<literal_char<Encoding, Attribute>>
+    {
+        typedef typename Encoding::char_type char_type;
+        typedef Encoding encoding;
+        typedef Attribute attribute_type;
+        static bool const has_attribute =
+            !is_same<unused_type, attribute_type>::value;
+
+        template <typename Char>
+        literal_char(Char ch)
+          : ch(static_cast<char_type>(ch)) {}
+
+        template <typename Char, typename Context>
+        bool test(Char ch_, Context const&) const
+        {
+            return ((sizeof(Char) <= sizeof(char_type)) || encoding::ischar(ch_))
+                && ch == char_type(ch_);
+        }
+
+        char_type ch;
+    };
+
+    template <typename Encoding, typename Attribute>
+    struct get_info<literal_char<Encoding, Attribute>>
+    {
+        typedef std::string result_type;
+        std::string operator()(literal_char<Encoding, Attribute> const& p) const
+        {
+            return '\'' + to_utf8(Encoding::toucs4(p.ch)) + '\'';
+        }
+    };
+}}}
+
+#endif