boost/typeof/pointers_data_members.hpp

   1 // Copyright (C) 2004 Arkadiy Vertleyb
   2 // Use, modification and distribution is subject to the Boost Software
   3 // License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #ifndef BOOST_TYPEOF_POINTERS_DATA_MEMBERS_HPP_INCLUDED
   6 #define BOOST_TYPEOF_POINTERS_DATA_MEMBERS_HPP_INCLUDED
   7
   8 #include <boost/typeof/encode_decode_params.hpp>
   9 #include <boost/typeof/encode_decode.hpp>
  10
  11 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
  12
  13 BOOST_TYPEOF_BEGIN_ENCODE_NS
  14
  15 enum {PTR_DATA_MEM_ID = BOOST_TYPEOF_UNIQUE_ID()};
  16
  17 template<class V, class P0, class P1>
  18 struct encode_type_impl<V, P0 P1::*>
  19 {
  20     typedef BOOST_TYPEOF_ENCODE_PARAMS(2, PTR_DATA_MEM_ID) type;
  21 };
  22
  23 template<class Iter>
  24 struct decode_type_impl<boost::mpl::size_t<PTR_DATA_MEM_ID>, Iter>
  25 {
  26     typedef Iter iter0;
  27     BOOST_TYPEOF_DECODE_PARAMS(2)
  28
  29     template<class T> struct workaround{
  30         typedef p0 T::* type;
  31     };
  32     typedef typename decode_type_impl<boost::mpl::size_t<PTR_DATA_MEM_ID>, Iter>::template workaround<p1>::type type;
  33     typedef iter2 iter;
  34 };
  35
  36 BOOST_TYPEOF_END_ENCODE_NS
  37
  38 #endif//BOOST_TYPEOF_POINTERS_DATA_MEMBERS_HPP_INCLUDED