text: #ifndef BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
  #define BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
  
  // MS compatible compilers support #pragma once
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  # pragma once
  #endif
  
  /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  // polymorphic_iarchive.hpp
  
  // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  // Use, modification and distribution is subject to the Boost Software
  // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  // http://www.boost.org/LICENSE_1_0.txt)
  
  //  See http://www.boost.org for updates, documentation, and revision history.
  
  #include <cstddef> // std::size_t
  #include <boost/config.hpp>
  
  #if defined(BOOST_NO_STDC_NAMESPACE)
  namespace std{
      using ::size_t;
  } // namespace std
  #endif
  
  #include <string>
  #include <boost/cstdint.hpp>
  
  #include <boost/pfto.hpp>
  #include <boost/archive/detail/iserializer.hpp>
  #include <boost/archive/detail/interface_iarchive.hpp>
  #include <boost/serialization/nvp.hpp>
  
  // determine if its necessary to handle (u)int64_t specifically
  // i.e. that its not a synonym for (unsigned) long
  // if there is no 64 bit int or if its the same as a long
  // we shouldn't define separate functions for int64 data types.
  #if defined(BOOST_NO_INT64_T) \
      || (ULONG_MAX != 0xffffffff && ULONG_MAX == 18446744073709551615u) // 2**64 - 1
  #   define BOOST_NO_INTRINSIC_INT64_T
  #endif
  
  namespace boost {
  template<class T>
  class shared_ptr;
  namespace serialization {
      class extended_type_info;
  } // namespace serialization
  namespace archive {
  namespace detail {
      class basic_iarchive;
      class basic_iserializer;
  }
  
  class polymorphic_iarchive :
      public detail::interface_iarchive<polymorphic_iarchive>
  {
  #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
  public:
  #else
      friend class detail::interface_iarchive<polymorphic_iarchive>;
      friend class load_access;
  #endif
      // primitive types the only ones permitted by polymorphic archives
      virtual void load(bool & t) = 0;
  
      virtual void load(char & t) = 0;
      virtual void load(signed char & t) = 0;
      virtual void load(unsigned char & t) = 0;
      #ifndef BOOST_NO_CWCHAR
      #ifndef BOOST_NO_INTRINSIC_WCHAR_T
      virtual void load(wchar_t & t) = 0;
      #endif
      #endif
      virtual void load(short & t) = 0;
      virtual void load(unsigned short & t) = 0;
      virtual void load(int & t) = 0;
      virtual void load(unsigned int & t) = 0;
      virtual void load(long & t) = 0;
      virtual void load(unsigned long & t) = 0;
  
      #if !defined(BOOST_NO_INTRINSIC_INT64_T)
      virtual void load(boost::int64_t & t) = 0;
      virtual void load(boost::uint64_t & t) = 0;
      #endif
      virtual void load(float & t) = 0;
      virtual void load(double & t) = 0;
  
      // string types are treated as primitives
      virtual void load(std::string & t) = 0;
      #ifndef BOOST_NO_STD_WSTRING
      virtual void load(std::wstring & t) = 0;
      #endif
  
      // used for xml and other tagged formats
      virtual void load_start(const char * name) = 0;
      virtual void load_end(const char * name) = 0;
      virtual void register_basic_serializer(const detail::basic_iserializer & bis) = 0;
      virtual void lookup_basic_helper(
          const boost::serialization::extended_type_info * const eti,
                  boost::shared_ptr<void> & sph
      ) = 0;
      virtual void insert_basic_helper(
          const boost::serialization::extended_type_info * const eti,
                  boost::shared_ptr<void> & sph
      ) = 0;
  
      // msvc and borland won't automatically pass these to the base class so
      // make it explicit here
      template<class T>
      void load_override(T & t, BOOST_PFTO int)
      {
          archive::load(* this, t);
      }
      // special treatment for name-value pairs.
      template<class T>
      void load_override(
                  #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
                  const
                  #endif
                  boost::serialization::nvp<T> & t,
                  int
          ){
          load_start(t.name());
          archive::load(* this, t.value());
          load_end(t.name());
      }
  public:
      // utility function implemented by all legal archives
      virtual void set_library_version(unsigned int archive_library_version) = 0;
      virtual unsigned int get_library_version() const = 0;
      virtual unsigned int get_flags() const = 0;
      virtual void delete_created_pointers() = 0;
      virtual void reset_object_address(
          const void * new_address,
          const void * old_address
      ) = 0;
  
      virtual void load_binary(void * t, std::size_t size) = 0;
  
      // these are used by the serialization library implementation.
      virtual void load_object(
          void *t,
          const detail::basic_iserializer & bis
      ) = 0;
      virtual const detail::basic_pointer_iserializer * load_pointer(
          void * & t,
          const detail::basic_pointer_iserializer * bpis_ptr,
          const detail::basic_pointer_iserializer * (*finder)(
              const boost::serialization::extended_type_info & type
          )
      ) = 0;
  };
  
  } // namespace archive
  } // namespace boost
  
  // required by smart_cast for compilers not implementing
  // partial template specialization
  BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(boost::archive::polymorphic_iarchive)
  
  #endif // BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
  