src/thirdparty/boost_1_47_0/boost/function_types/detail/synthesize_impl/master.hpp

   1
   2 // (C) Copyright Tobias Schwinger
   3 //
   4 // Use modification and distribution are subject to the boost Software License,
   5 // Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
   6
   7 //------------------------------------------------------------------------------
   8
   9 // no include guards, this file is intended for multiple inclusion
  10
  11 #if   BOOST_FT_ARITY_LOOP_PREFIX
  12
  13 #   ifndef BOOST_FT_DETAIL_SYNTHESIZE_IMPL_MASTER_HPP_INCLUDED
  14 #   define BOOST_FT_DETAIL_SYNTHESIZE_IMPL_MASTER_HPP_INCLUDED
  15 #     include <boost/preprocessor/cat.hpp>
  16 #     include <boost/preprocessor/arithmetic/dec.hpp>
  17 #     include <boost/preprocessor/iteration/local.hpp>
  18 #     include <boost/preprocessor/facilities/empty.hpp>
  19 #     include <boost/preprocessor/facilities/identity.hpp>
  20 #   endif
  21
  22 #   define BOOST_FT_type_name type
  23
  24 #   ifdef BOOST_FT_flags
  25 #     define BOOST_FT_make_type(flags,cc,arity) BOOST_FT_make_type_impl(flags,cc,arity)
  26 #     define BOOST_FT_make_type_impl(flags,cc,arity) make_type_ ## flags ## _ ## cc ## _ ## arity
  27 #   else
  28 BOOST_PP_EXPAND(#) define BOOST_FT_make_type(flags,cc,arity) BOOST_FT_make_type_impl(flags,cc,arity)
  29 BOOST_PP_EXPAND(#) define BOOST_FT_make_type_impl(flags,cc,arity) make_type_ ## flags ## _ ## cc ## _ ## arity
  30 #   endif
  31
  32 #   define BOOST_FT_iter(i) BOOST_PP_CAT(iter_,i)
  33
  34 #elif BOOST_FT_ARITY_LOOP_IS_ITERATING
  35
  36 template< BOOST_FT_tplargs(BOOST_PP_IDENTITY(typename)) >
  37 struct BOOST_FT_make_type(BOOST_FT_flags,BOOST_FT_cc_id,BOOST_FT_arity)
  38 {
  39   typedef BOOST_FT_type ;
  40 };
  41
  42 template<>
  43 struct synthesize_impl_o< BOOST_FT_flags, BOOST_FT_cc_id, BOOST_FT_n >
  44 {
  45   template<typename S> struct synthesize_impl_i
  46   {
  47   private:
  48     typedef typename mpl::begin<S>::type BOOST_FT_iter(0);
  49 #   if BOOST_FT_n > 1
  50 #     define BOOST_PP_LOCAL_MACRO(i) typedef typename mpl::next< \
  51           BOOST_FT_iter(BOOST_PP_DEC(i)) >::type BOOST_FT_iter(i);
  52 #     define BOOST_PP_LOCAL_LIMITS (1,BOOST_FT_n-1)
  53 #     include BOOST_PP_LOCAL_ITERATE()
  54 #   endif
  55   public:
  56     typedef typename detail::BOOST_FT_make_type(BOOST_FT_flags,BOOST_FT_cc_id,BOOST_FT_arity)
  57     < typename mpl::deref< BOOST_FT_iter(0) >::type
  58 #   if BOOST_FT_mfp
  59     , typename detail::cv_traits<
  60           typename mpl::deref< BOOST_FT_iter(1) >::type >::type
  61 #   endif
  62 #   if BOOST_FT_n > (BOOST_FT_mfp+1)
  63 #     define BOOST_PP_LOCAL_LIMITS (BOOST_FT_mfp+1,BOOST_FT_n-1)
  64 #     define BOOST_PP_LOCAL_MACRO(i) \
  65         , typename mpl::deref< BOOST_FT_iter(i) >::type
  66 #     include BOOST_PP_LOCAL_ITERATE()
  67 #   endif
  68     >::type type;
  69   };
  70 };
  71
  72 #elif BOOST_FT_ARITY_LOOP_SUFFIX
  73
  74 #   ifdef BOOST_FT_flags
  75 #     undef BOOST_FT_make_type
  76 #     undef BOOST_FT_make_type_impl
  77 #   else
  78 BOOST_PP_EXPAND(#) undef BOOST_FT_make_type
  79 BOOST_PP_EXPAND(#) undef BOOST_FT_make_type_impl
  80 #   endif
  81 #   undef BOOST_FT_iter
  82 #   undef BOOST_FT_type_name
  83
  84 #else
  85 #   error "attempt to use arity loop master file without loop"
  86 #endif
  87