epoc32/include/stdapis/boost/mpl/aux_/lambda_support.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
     1 
     2 #ifndef BOOST_MPL_AUX_LAMBDA_SUPPORT_HPP_INCLUDED
     3 #define BOOST_MPL_AUX_LAMBDA_SUPPORT_HPP_INCLUDED
     4 
     5 // Copyright Aleksey Gurtovoy 2001-2004
     6 //
     7 // Distributed under the Boost Software License, Version 1.0. 
     8 // (See accompanying file LICENSE_1_0.txt or copy at 
     9 // http://www.boost.org/LICENSE_1_0.txt)
    10 //
    11 // See http://www.boost.org/libs/mpl for documentation.
    12 
    13 // $Source: /cvsroot/boost/boost/boost/mpl/aux_/lambda_support.hpp,v $
    14 // $Date: 2005/08/25 16:27:21 $
    15 // $Revision: 1.13 $
    16 
    17 #include <boost/mpl/aux_/config/lambda.hpp>
    18 
    19 #if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
    20 
    21 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) /**/
    22 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT(i,name,params) /**/
    23 
    24 #else
    25 
    26 #   include <boost/mpl/int_fwd.hpp>
    27 #   include <boost/mpl/aux_/yes_no.hpp>
    28 #   include <boost/mpl/aux_/na_fwd.hpp>
    29 #   include <boost/mpl/aux_/preprocessor/params.hpp>
    30 #   include <boost/mpl/aux_/preprocessor/enum.hpp>
    31 #   include <boost/mpl/aux_/config/msvc.hpp>
    32 #   include <boost/mpl/aux_/config/workaround.hpp>
    33 
    34 #   include <boost/preprocessor/tuple/to_list.hpp>
    35 #   include <boost/preprocessor/list/for_each_i.hpp>
    36 #   include <boost/preprocessor/inc.hpp>
    37 #   include <boost/preprocessor/cat.hpp>
    38 
    39 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_ARG_TYPEDEF_FUNC(R,typedef_,i,param) \
    40     typedef_ param BOOST_PP_CAT(arg,BOOST_PP_INC(i)); \
    41     /**/
    42 
    43 // agurt, 07/mar/03: restore an old revision for the sake of SGI MIPSpro C++
    44 #if BOOST_WORKAROUND(__EDG_VERSION__, <= 238) 
    45 
    46 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT(i, name, params) \
    47     typedef BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::int_<i> arity; \
    48     BOOST_PP_LIST_FOR_EACH_I_R( \
    49           1 \
    50         , BOOST_MPL_AUX_LAMBDA_SUPPORT_ARG_TYPEDEF_FUNC \
    51         , typedef \
    52         , BOOST_PP_TUPLE_TO_LIST(i,params) \
    53         ) \
    54     struct rebind \
    55     { \
    56         template< BOOST_MPL_PP_PARAMS(i,typename U) > struct apply \
    57             : name< BOOST_MPL_PP_PARAMS(i,U) > \
    58         { \
    59         }; \
    60     }; \
    61     /**/
    62 
    63 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
    64     BOOST_MPL_AUX_LAMBDA_SUPPORT(i, name, params) \
    65     /**/
    66 
    67 #elif BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
    68 // agurt, 18/jan/03: old EDG-based compilers actually enforce 11.4 para 9
    69 // (in strict mode), so we have to provide an alternative to the 
    70 // MSVC-optimized implementation
    71 
    72 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
    73     typedef BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::int_<i> arity; \
    74     BOOST_PP_LIST_FOR_EACH_I_R( \
    75           1 \
    76         , BOOST_MPL_AUX_LAMBDA_SUPPORT_ARG_TYPEDEF_FUNC \
    77         , typedef \
    78         , BOOST_PP_TUPLE_TO_LIST(i,params) \
    79         ) \
    80     struct rebind; \
    81 /**/
    82 
    83 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT(i, name, params) \
    84     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
    85 }; \
    86 template< BOOST_MPL_PP_PARAMS(i,typename T) > \
    87 struct name<BOOST_MPL_PP_PARAMS(i,T)>::rebind \
    88 { \
    89     template< BOOST_MPL_PP_PARAMS(i,typename U) > struct apply \
    90         : name< BOOST_MPL_PP_PARAMS(i,U) > \
    91     { \
    92     }; \
    93 /**/
    94 
    95 #else // __EDG_VERSION__
    96 
    97 namespace boost { namespace mpl { namespace aux {
    98 template< typename T > struct has_rebind_tag;
    99 }}}
   100 
   101 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
   102     typedef BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::int_<i> arity; \
   103     BOOST_PP_LIST_FOR_EACH_I_R( \
   104           1 \
   105         , BOOST_MPL_AUX_LAMBDA_SUPPORT_ARG_TYPEDEF_FUNC \
   106         , typedef \
   107         , BOOST_PP_TUPLE_TO_LIST(i,params) \
   108         ) \
   109     friend class BOOST_PP_CAT(name,_rebind); \
   110     typedef BOOST_PP_CAT(name,_rebind) rebind; \
   111 /**/
   112 
   113 #if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
   114 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_HAS_REBIND(i, name, params) \
   115 template< BOOST_MPL_PP_PARAMS(i,typename T) > \
   116 ::boost::mpl::aux::yes_tag operator|( \
   117       ::boost::mpl::aux::has_rebind_tag<int> \
   118     , name<BOOST_MPL_PP_PARAMS(i,T)>* \
   119     ); \
   120 ::boost::mpl::aux::no_tag operator|( \
   121       ::boost::mpl::aux::has_rebind_tag<int> \
   122     , name< BOOST_MPL_PP_ENUM(i,::boost::mpl::na) >* \
   123     ); \
   124 /**/
   125 #elif !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
   126 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_HAS_REBIND(i, name, params) \
   127 template< BOOST_MPL_PP_PARAMS(i,typename T) > \
   128 ::boost::mpl::aux::yes_tag operator|( \
   129       ::boost::mpl::aux::has_rebind_tag<int> \
   130     , ::boost::mpl::aux::has_rebind_tag< name<BOOST_MPL_PP_PARAMS(i,T)> >* \
   131     ); \
   132 /**/
   133 #else
   134 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT_HAS_REBIND(i, name, params) /**/
   135 #endif
   136 
   137 #   if !defined(__BORLANDC__)
   138 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT(i, name, params) \
   139     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
   140 }; \
   141 BOOST_MPL_AUX_LAMBDA_SUPPORT_HAS_REBIND(i, name, params) \
   142 class BOOST_PP_CAT(name,_rebind) \
   143 { \
   144  public: \
   145     template< BOOST_MPL_PP_PARAMS(i,typename U) > struct apply \
   146         : name< BOOST_MPL_PP_PARAMS(i,U) > \
   147     { \
   148     }; \
   149 /**/
   150 #   else
   151 #   define BOOST_MPL_AUX_LAMBDA_SUPPORT(i, name, params) \
   152     BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(i, name, params) \
   153 }; \
   154 BOOST_MPL_AUX_LAMBDA_SUPPORT_HAS_REBIND(i, name, params) \
   155 class BOOST_PP_CAT(name,_rebind) \
   156 { \
   157  public: \
   158     template< BOOST_MPL_PP_PARAMS(i,typename U) > struct apply \
   159     { \
   160         typedef typename name< BOOST_MPL_PP_PARAMS(i,U) >::type type; \
   161     }; \
   162 /**/
   163 #   endif // __BORLANDC__
   164 
   165 #endif // __EDG_VERSION__
   166 
   167 #endif // BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
   168 
   169 #endif // BOOST_MPL_AUX_LAMBDA_SUPPORT_HPP_INCLUDED