Re: [boost] [Boost-bugs] [ boost-Bugs-1250901 ] polymorphic i/oarchives and stl containers problem

From: Robert Ramey (ramey_at_[hidden])
Date: 2005-08-03 18:18:27

Looks like a bug to me.

Robert Ramey

SourceForge.net wrote:
> Bugs item #1250901, was opened at 2005-08-03 02:44
> Message generated for change (Tracker Item Submitted) made by Item
> Submitter You can respond by visiting:
> https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1250901&group_id=7586
>
> Please note that this message will contain a full copy of the comment
> thread, including the initial issue submission, for this request,
> not just the latest update.
> Category: serialization
> Group: None
> Status: Open
> Resolution: None
> Priority: 5
> Submitted By: Nobody/Anonymous (nobody)
> Assigned to: Robert Ramey (ramey)
> Summary: polymorphic i/o archives and stl containers problem
>
> Initial Comment:
> Hello,
>
> i downloaded 1.33.0 RC1 from
>
> http://www.osl.iu.edu/~dgregor/boost-1.33.0/
>
> and tried to recompile some rather large projects with
> it (currently using 1.32.0).
> Using MS VC 7.1 and GCC 3.4.4
>
> Doesnt work for boost::serialization:
>
> boost::archive::polymorphic_iarchive& ar
> boost::archive::polymorphic_oarchive& ar
>
> It bumps on STL containers now:
>
> boost\serialization\collections_load_imp.hpp(118) :
> error C2039: 'reset_object_address' : is not a member
> of 'boost::archive::polymorphic_iarchive'
>
> boost\archive\polymorphic_iarchive.hpp(52) : see
> declaration of 'boost::archive::polymorphic_iarchive'
>
> ---- snip "collections_load_imp.hpp" ----
> // map input
> template<class Archive, class Container>
> struct archive_input_map
> {
>    inline void operator()(Archive &ar, Container &s)
>    {
>        #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
>            typedef BOOST_DEDUCED_TYPENAME std::pair<
>                BOOST_DEDUCED_TYPENAME Container::key_type,
>                BOOST_DEDUCED_TYPENAME
> Container::referent_type
>            > type;
>        #else
>            typedef BOOST_DEDUCED_TYPENAME std::pair<
>                BOOST_DEDUCED_TYPENAME Container::key_type,
>                BOOST_DEDUCED_TYPENAME
> Container::mapped_type
>            > type;
>        #endif
>        stack_construct<Archive, type> t(ar);
>        // borland fails silently w/o full namespace
>        ar >> boost::serialization::make_nvp("item",
> t.reference());
>        std::pair<BOOST_DEDUCED_TYPENAME
> Container::const_iterator, bool> result =
>            s.insert(t.reference());
>        assert(result.second); // make sure we inserted
> a new element
>        ar.reset_object_address(& (* result.first), & t);
>    }
> };
> ---- snip "collections_load_imp.hpp" ----
>
> "ar.reset_object_address(& (* result.first), & t);" is
> called but not implemeted for these "polymorphic"
> archive types?
>
> I only found it implemented in "basic_iarchive_impl"
> (and "basic_oarchive_impl" respective).
>
> What gives?
> It worked for 1.32 (because there was no
> "reset_object_address" there).
>
> Is there another (new) way to use polymorphic archive
> interfaces serializing stl containers?
>
> Regards,
>
> A. Focht
>
> ----------------------------------------------------------------------
>
> You can respond by visiting:
> https://sourceforge.net/tracker/?func=detail&atid=107586&aid=1250901&group_id=7586
>
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