epoc32/include/stdapis/boost/mpl/quote.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 
     2 #if !defined(BOOST_PP_IS_ITERATING)
     3 
     4 ///// header body
     5 
     6 #ifndef BOOST_MPL_QUOTE_HPP_INCLUDED
     7 #define BOOST_MPL_QUOTE_HPP_INCLUDED
     8 
     9 // Copyright Aleksey Gurtovoy 2000-2004
    10 //
    11 // Distributed under the Boost Software License, Version 1.0. 
    12 // (See accompanying file LICENSE_1_0.txt or copy at 
    13 // http://www.boost.org/LICENSE_1_0.txt)
    14 //
    15 // See http://www.boost.org/libs/mpl for documentation.
    16 
    17 // $Source: /cvsroot/boost/boost/boost/mpl/quote.hpp,v $
    18 // $Date: 2006/05/03 03:27:58 $
    19 // $Revision: 1.5.14.2 $
    20 
    21 #if !defined(BOOST_MPL_PREPROCESSING_MODE)
    22 #   include <boost/mpl/void.hpp>
    23 #   include <boost/mpl/aux_/has_type.hpp>
    24 #endif
    25 
    26 #include <boost/mpl/aux_/config/ttp.hpp>
    27 
    28 #if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS)
    29 #   define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
    30 #endif
    31 
    32 #if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \
    33     && defined(BOOST_MPL_CFG_NO_HAS_XXX)
    34 #   define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS
    35 #endif
    36 
    37 #include <boost/mpl/aux_/config/use_preprocessed.hpp>
    38 
    39 #if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
    40  && !defined(BOOST_MPL_PREPROCESSING_MODE)
    41 
    42 #   define BOOST_MPL_PREPROCESSED_HEADER quote.hpp
    43 #   include <boost/mpl/aux_/include_preprocessed.hpp>
    44 
    45 #else
    46 
    47 #   include <boost/mpl/limits/arity.hpp>
    48 #   include <boost/mpl/aux_/preprocessor/params.hpp>
    49 #   include <boost/mpl/aux_/config/ctps.hpp>
    50 #   include <boost/mpl/aux_/config/workaround.hpp>
    51 
    52 #   include <boost/preprocessor/iterate.hpp>
    53 #   include <boost/preprocessor/cat.hpp>
    54 
    55 #if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE)
    56 
    57 namespace boost { namespace mpl {
    58 
    59 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
    60 
    61 template< typename T, bool has_type_ >
    62 struct quote_impl
    63 // GCC has a problem with metafunction forwarding when T is a
    64 // specialization of a template called 'type'.
    65 # if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \
    66     && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \
    67     && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2))
    68 {
    69     typedef typename T::type type;
    70 };
    71 # else 
    72     : T
    73 {
    74 };
    75 # endif 
    76 
    77 template< typename T >
    78 struct quote_impl<T,false>
    79 {
    80     typedef T type;
    81 };
    82 
    83 #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
    84 
    85 template< bool > struct quote_impl
    86 {
    87     template< typename T > struct result_
    88         : T
    89     {
    90     };
    91 };
    92 
    93 template<> struct quote_impl<false>
    94 {
    95     template< typename T > struct result_
    96     {
    97         typedef T type;
    98     };
    99 };
   100 
   101 #endif 
   102 
   103 #define BOOST_PP_ITERATION_PARAMS_1 \
   104     (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>))
   105 #include BOOST_PP_ITERATE()
   106 
   107 }}
   108 
   109 #endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
   110 
   111 #endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
   112 #endif // BOOST_MPL_QUOTE_HPP_INCLUDED
   113 
   114 ///// iteration
   115 
   116 #else
   117 #define i_ BOOST_PP_FRAME_ITERATION(1)
   118 
   119 template<
   120       template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F
   121     , typename Tag = void_
   122     >
   123 struct BOOST_PP_CAT(quote,i_)
   124 {
   125     template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply
   126 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
   127         : quote_impl<
   128               F< BOOST_MPL_PP_PARAMS(i_, U) >
   129             , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
   130             >
   131 #else
   132         : quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value >
   133             ::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > >
   134 #endif
   135     {
   136     };
   137 };
   138 
   139 #undef i_
   140 #endif // BOOST_PP_IS_ITERATING