add boost on mac

macx64/include/boost/metaparse/v1/cpp98/impl/at_c.hpp

@@ -0,0 +1,58 @@
+#ifndef BOOST_METAPARSE_V1_CPP98_IMPL_AT_C_HPP
+#define BOOST_METAPARSE_V1_CPP98_IMPL_AT_C_HPP
+
+// Copyright Abel Sinkovics (abel@sinkovics.hu)  2013.
+// 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)
+
+#include <boost/metaparse/config.hpp>
+#include <boost/metaparse/v1/cpp98/fwd/string.hpp>
+
+#include <boost/mpl/char.hpp>
+
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/repeat.hpp>
+
+namespace boost
+{
+  namespace metaparse
+  {
+    namespace v1
+    {
+      namespace impl
+      {
+        template <class S, int N>
+        struct at_c;
+
+        #ifdef BOOST_METAPARSE_STRING_CASE
+        #  error BOOST_METAPARSE_STRING_CASE is already defined
+        #endif
+        #define BOOST_METAPARSE_STRING_CASE(z, n, unused) \
+          template < \
+            BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C) \
+          > \
+          struct \
+            at_c< \
+              string< \
+                BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C) \
+              >, \
+              n \
+            > : \
+            boost::mpl::char_<BOOST_PP_CAT(C, n)> \
+          {};
+      
+        BOOST_PP_REPEAT(
+          BOOST_METAPARSE_LIMIT_STRING_SIZE,
+          BOOST_METAPARSE_STRING_CASE,
+          ~
+        )
+
+        #undef BOOST_METAPARSE_STRING_CASE
+      }
+    }
+  }
+}
+
+#endif
+