imgtools/imglib/boostlibrary/boost/mpl/unpack_args.hpp
changeset 0 044383f39525
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/mpl/unpack_args.hpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,150 @@
+
+#if !defined(BOOST_PP_IS_ITERATING)
+
+///// header body
+
+#ifndef BOOST_MPL_UNPACK_ARGS_HPP_INCLUDED
+#define BOOST_MPL_UNPACK_ARGS_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2002-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: unpack_args.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#if !defined(BOOST_MPL_PREPROCESSING_MODE)
+#   include <boost/mpl/apply.hpp>
+#   include <boost/mpl/at.hpp>
+#   include <boost/mpl/size.hpp>
+#   include <boost/mpl/aux_/nttp_decl.hpp>
+#   include <boost/mpl/aux_/lambda_spec.hpp>
+#endif
+
+#include <boost/mpl/aux_/config/use_preprocessed.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
+    && !defined(BOOST_MPL_PREPROCESSING_MODE)
+
+#   define BOOST_MPL_PREPROCESSED_HEADER unpack_args.hpp
+#   include <boost/mpl/aux_/include_preprocessed.hpp>
+
+#else
+
+#   include <boost/mpl/limits/arity.hpp>
+#   include <boost/mpl/aux_/preprocessor/repeat.hpp>
+#   include <boost/mpl/aux_/config/ctps.hpp>
+#   include <boost/mpl/aux_/config/forwarding.hpp>
+#   include <boost/preprocessor/iterate.hpp>
+#   include <boost/preprocessor/cat.hpp>
+
+
+namespace boost { namespace mpl {
+
+// local macros, #undef-ined at the end of the header
+
+#   define AUX778076_UNPACK(unused, i, Args) \
+    , typename at_c<Args,i>::type \
+    /**/
+
+#   define AUX778076_UNPACKED_ARGS(n, Args) \
+    BOOST_MPL_PP_REPEAT(n, AUX778076_UNPACK, Args) \
+    /**/
+
+namespace aux {
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+template< int size, typename F, typename Args >
+struct unpack_args_impl;
+#else
+template< BOOST_MPL_AUX_NTTP_DECL(int, size) > struct unpack_args_impl
+{
+    template< typename F, typename Args > struct apply;
+};
+#endif
+
+#define BOOST_PP_ITERATION_PARAMS_1 \
+    (3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/unpack_args.hpp>))
+#include BOOST_PP_ITERATE()
+
+}
+
+template<
+      typename F
+    >
+struct unpack_args
+{
+    template< typename Args > struct apply
+#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
+#   if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+        : aux::unpack_args_impl< size<Args>::value,F,Args >
+#   else
+        : aux::unpack_args_impl< size<Args>::value >
+            ::template apply< F,Args >
+#   endif
+    {
+#else // BOOST_MPL_CFG_NO_NESTED_FORWARDING
+    {
+        typedef typename aux::unpack_args_impl< 
+              size<Args>::value
+            , F
+            , Args
+            >::type type;
+#endif
+    };
+};
+
+BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(1, unpack_args)
+
+#   undef AUX778076_UNPACK
+#   undef AUX778076_UNPACKED_ARGS
+
+}}
+
+#endif // BOOST_MPL_CFG_USE_PREPROCESSED_HEADERS
+#endif // BOOST_MPL_UNPACK_ARGS_HPP_INCLUDED
+
+///// iteration, depth == 1
+
+// For gcc 4.4 compatability, we must include the
+// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
+#else // BOOST_PP_IS_ITERATING
+#if BOOST_PP_ITERATION_DEPTH() == 1
+
+#   define i_ BOOST_PP_FRAME_ITERATION(1)
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+
+template< typename F, typename Args >
+struct unpack_args_impl<i_,F,Args>
+    : BOOST_PP_CAT(apply,i_)<
+          F
+        AUX778076_UNPACKED_ARGS(i_, Args)
+        >
+{
+};
+
+#else
+
+template<> struct unpack_args_impl<i_>
+{
+    template< typename F, typename Args > struct apply
+        : BOOST_PP_CAT(apply,i_)<
+              F
+            AUX778076_UNPACKED_ARGS(i_, Args)
+            >
+    {
+    };
+};
+
+#endif
+
+#   undef i_
+
+#endif // BOOST_PP_ITERATION_DEPTH()
+#endif // BOOST_PP_IS_ITERATING