Added BOOST_PP_FOR, BOOST_PP_ENUM, BOOST_PP_ENUM_SHIFTED

[SVN r12370]

include/boost/preprocessor/enum.hpp

@@ -0,0 +1,40 @@
+#ifndef BOOST_PREPROCESSOR_ENUM_HPP
+#define BOOST_PREPROCESSOR_ENUM_HPP
+
+// Copyright (C) 2001
+// Housemarque Oy
+// http://www.housemarque.com
+//
+// Permission to copy, use, modify, sell and distribute this software is
+// granted provided this copyright notice appears in all copies. This
+// software is provided "as is" without express or implied warranty, and
+// with no claim as to its suitability for any purpose.
+
+// See http://www.boost.org for most recent version.
+
+/*! \file
+
+<a href="../../../../boost/preprocessor/enum.hpp">Click here to see the header.</a>
+*/
+
+#include <boost/preprocessor/comma_if.hpp>
+#include <boost/preprocessor/expand.hpp>
+#include <boost/preprocessor/repeat.hpp>
+#include <boost/preprocessor/tuple.hpp>
+
+//! Generates a comma separated list.
+/*!
+In other words, expands to the sequence:
+
+<PRE>\verbatim
+  F(0,P), F(1,P), ..., F(N-1,P)
+\endverbatim</PRE>
+
+NOTE: The implementation uses BOOST_PP_REPEAT().
+*/
+#define BOOST_PP_ENUM(N,F,P) BOOST_PP_REPEAT(N,BOOST_PP_ENUM_F,(F,P))
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+#define BOOST_PP_ENUM_F(I,FP) BOOST_PP_COMMA_IF(I) BOOST_PP_EXPAND(BOOST_PP_TUPLE_ELEM(2,0,FP)(I,BOOST_PP_TUPLE_ELEM(2,1,FP)))
+#endif
+#endif