stc/exp/ml_stc_linux_make_v1.0/include/boost/mpl/aux_/advance_forward.hpp

   1 \r
   2 #if !defined(BOOST_PP_IS_ITERATING)\r
   3 \r
   4 ///// header body\r
   5 \r
   6 #ifndef BOOST_MPL_AUX_ADVANCE_FORWARD_HPP_INCLUDED\r
   7 #define BOOST_MPL_AUX_ADVANCE_FORWARD_HPP_INCLUDED\r
   8 \r
   9 // Copyright Aleksey Gurtovoy 2000-2004\r
  10 //\r
  11 // Distributed under the Boost Software License, Version 1.0. \r
  12 // (See accompanying file LICENSE_1_0.txt or copy at \r
  13 // http://www.boost.org/LICENSE_1_0.txt)\r
  14 //\r
  15 // See http://www.boost.org/libs/mpl for documentation.\r
  16 \r
  17 // $Id: advance_forward.hpp 49267 2008-10-11 06:19:02Z agurtovoy $\r
  18 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $\r
  19 // $Revision: 49267 $\r
  20 \r
  21 #if !defined(BOOST_MPL_PREPROCESSING_MODE)\r
  22 #   include <boost/mpl/next.hpp>\r
  23 #   include <boost/mpl/apply_wrap.hpp>\r
  24 #endif\r
  25 \r
  26 #include <boost/mpl/aux_/config/use_preprocessed.hpp>\r
  27 \r
  28 #if    !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \\r
  29     && !defined(BOOST_MPL_PREPROCESSING_MODE)\r
  30 \r
  31 #   define BOOST_MPL_PREPROCESSED_HEADER advance_forward.hpp\r
  32 #   include <boost/mpl/aux_/include_preprocessed.hpp>\r
  33 \r
  34 #else\r
  35 \r
  36 #   include <boost/mpl/limits/unrolling.hpp>\r
  37 #   include <boost/mpl/aux_/nttp_decl.hpp>\r
  38 #   include <boost/mpl/aux_/config/eti.hpp>\r
  39 \r
  40 #   include <boost/preprocessor/iterate.hpp>\r
  41 #   include <boost/preprocessor/cat.hpp>\r
  42 #   include <boost/preprocessor/inc.hpp>\r
  43 \r
  44 namespace boost { namespace mpl { namespace aux {\r
  45 \r
  46 // forward declaration\r
  47 template< BOOST_MPL_AUX_NTTP_DECL(long, N) > struct advance_forward;\r
  48 \r
  49 #   define BOOST_PP_ITERATION_PARAMS_1 \\r
  50     (3,(0, BOOST_MPL_LIMIT_UNROLLING, <boost/mpl/aux_/advance_forward.hpp>))\r
  51 #   include BOOST_PP_ITERATE()\r
  52 \r
  53 // implementation for N that exceeds BOOST_MPL_LIMIT_UNROLLING\r
  54 template< BOOST_MPL_AUX_NTTP_DECL(long, N) > \r
  55 struct advance_forward\r
  56 {\r
  57     template< typename Iterator > struct apply\r
  58     {\r
  59         typedef typename apply_wrap1<\r
  60               advance_forward<BOOST_MPL_LIMIT_UNROLLING>\r
  61             , Iterator\r
  62             >::type chunk_result_;\r
  63 \r
  64         typedef typename apply_wrap1<\r
  65               advance_forward<(\r
  66                 (N - BOOST_MPL_LIMIT_UNROLLING) < 0\r
  67                     ? 0\r
  68                     : N - BOOST_MPL_LIMIT_UNROLLING\r
  69                     )>\r
  70             , chunk_result_\r
  71             >::type type;\r
  72     };\r
  73 };\r
  74 \r
  75 }}}\r
  76 \r
  77 #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS\r
  78 #endif // BOOST_MPL_AUX_ADVANCE_FORWARD_HPP_INCLUDED\r
  79 \r
  80 ///// iteration, depth == 1\r
  81 \r
  82 // For gcc 4.4 compatability, we must include the\r
  83 // BOOST_PP_ITERATION_DEPTH test inside an #else clause.\r
  84 #else // BOOST_PP_IS_ITERATING\r
  85 #if BOOST_PP_ITERATION_DEPTH() == 1\r
  86 #define i_ BOOST_PP_FRAME_ITERATION(1)\r
  87 \r
  88 template<>\r
  89 struct advance_forward< BOOST_PP_FRAME_ITERATION(1) >\r
  90 {\r
  91     template< typename Iterator > struct apply\r
  92     {\r
  93         typedef Iterator iter0;\r
  94 \r
  95 #if i_ > 0\r
  96 #   define BOOST_PP_ITERATION_PARAMS_2 \\r
  97     (3,(1, i_, <boost/mpl/aux_/advance_forward.hpp>))\r
  98 #   include BOOST_PP_ITERATE()\r
  99 #endif\r
 100         typedef BOOST_PP_CAT(iter,i_) type;\r
 101     };\r
 102 \r
 103 #if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)\r
 104     /// ETI workaround\r
 105     template<> struct apply<int>\r
 106     {\r
 107         typedef int type;\r
 108     };\r
 109 #endif\r
 110 };\r
 111 \r
 112 #undef i_\r
 113 \r
 114 ///// iteration, depth == 2\r
 115 \r
 116 #elif BOOST_PP_ITERATION_DEPTH() == 2\r
 117 \r
 118 #   define AUX778076_ITER_0 BOOST_PP_CAT(iter,BOOST_PP_DEC(BOOST_PP_FRAME_ITERATION(2)))\r
 119 #   define AUX778076_ITER_1 BOOST_PP_CAT(iter,BOOST_PP_FRAME_ITERATION(2))\r
 120 \r
 121         typedef typename next<AUX778076_ITER_0>::type AUX778076_ITER_1;\r
 122         \r
 123 #   undef AUX778076_ITER_1\r
 124 #   undef AUX778076_ITER_0\r
 125 \r
 126 #endif // BOOST_PP_ITERATION_DEPTH()\r
 127 #endif // BOOST_PP_IS_ITERATING\r