Add SCons configure checks
[senf.git] / boost_ext / boost / parameter / match.hpp
diff --git a/boost_ext/boost/parameter/match.hpp b/boost_ext/boost/parameter/match.hpp
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+// Copyright David Abrahams 2005. 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)
+#ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP
+# define BOOST_PARAMETER_MATCH_DWA2005714_HPP
+
+# include <boost/detail/workaround.hpp>
+# include <boost/preprocessor/seq/enum.hpp>
+
+# if BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
+// Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround.
+#  define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq
+#  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq)
+# else
+#  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq)
+# endif 
+
+# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+
+#  include <boost/parameter/config.hpp>
+#  include <boost/parameter/aux_/void.hpp>
+#  include <boost/preprocessor/arithmetic/sub.hpp>
+#  include <boost/preprocessor/facilities/intercept.hpp>
+#  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
+
+#  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)              \
+        BOOST_PP_ENUM_TRAILING_PARAMS(                          \
+            BOOST_PP_SUB(                                       \
+                BOOST_PARAMETER_MAX_ARITY                       \
+              , BOOST_PP_SEQ_SIZE(ArgTypes)                     \
+            )                                                   \
+          , ::boost::parameter::aux::void_ BOOST_PP_INTERCEPT   \
+        )
+
+# else
+
+#  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)
+
+# endif 
+
+//
+// Generates, e.g.
+//
+//    typename dfs_params::match<A1,A2>::type name = dfs_params()
+//
+// with workarounds for Borland compatibility.
+//
+
+# define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name)   \
+    typename ParameterSpec ::match<                             \
+        BOOST_PARAMETER_SEQ_ENUM(ArgTypes)                      \
+        BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)                \
+    >::type name = ParameterSpec ()
+
+#endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP