Imported Upstream version 1.57.0upstream/1.57.0

1 files changed, 66 insertions, 0 deletions

diff --git a/boost/spirit/home/x3/numeric/int.hpp b/boost/spirit/home/x3/numeric/int.hpp
new file mode 100644
index 0000000000..ba9ceb8243
--- /dev/null
+++ b/boost/spirit/home/x3/numeric/int.hpp
@@ -0,0 +1,66 @@
+/*=============================================================================
+    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_INT_APR_17_2006_0830AM)
+#define BOOST_SPIRIT_X3_INT_APR_17_2006_0830AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/x3/core/parser.hpp>
+#include <boost/spirit/home/x3/core/skip_over.hpp>
+#include <boost/spirit/home/x3/support/numeric_utils/extract_int.hpp>
+#include <cstdint>
+
+namespace boost { namespace spirit { namespace x3
+{
+    ///////////////////////////////////////////////////////////////////////////
+    template <
+        typename T
+      , unsigned Radix = 10
+      , unsigned MinDigits = 1
+      , int MaxDigits = -1>
+    struct int_parser : parser<int_parser<T, Radix, MinDigits, MaxDigits>>
+    {
+        // check template parameter 'Radix' for validity
+        static_assert(
+            (Radix == 2 || Radix == 8 || Radix == 10 || Radix == 16),
+            "Error Unsupported Radix");
+
+        typedef T attribute_type;
+        static bool const has_attribute = true;
+
+        template <typename Iterator, typename Context, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context const& context, unused_type, Attribute& attr) const
+        {
+            typedef extract_int<T, Radix, MinDigits, MaxDigits> extract;
+            x3::skip_over(first, last, context);
+            return extract::call(first, last, attr);
+        }
+    };
+
+#define BOOST_SPIRIT_X3_INT_PARSER(int_type, name)                              \
+    typedef int_parser<int_type> name##type;                                    \
+    name##type const name = {};                                                 \
+    /***/
+
+    BOOST_SPIRIT_X3_INT_PARSER(long, long_)
+    BOOST_SPIRIT_X3_INT_PARSER(short, short_)
+    BOOST_SPIRIT_X3_INT_PARSER(int, int_)
+    BOOST_SPIRIT_X3_INT_PARSER(long long, long_long)
+
+    BOOST_SPIRIT_X3_INT_PARSER(int8_t, int8)
+    BOOST_SPIRIT_X3_INT_PARSER(int16_t, int16)
+    BOOST_SPIRIT_X3_INT_PARSER(int32_t, int32)
+    BOOST_SPIRIT_X3_INT_PARSER(int64_t, int64)
+
+#undef BOOST_SPIRIT_X3_INT_PARSER
+
+}}}
+
+#endif