Re: Overloading __index and __newindex

I had worked on a function to do it. (just a quick hach). It seemed to
work when I was testing it but I haven't used it in a long time.

You may want to have a look/replace things:

bool
CLuaVM::setSpecialNewIndex(const char* class_name)
{


    luabind::detail::class_registry* reg  =
detail::class_registry::get_registry( _vm );
    luabind::detail::class_rep* rep = reg->find_class(
typeid(irr::SIrrlichtCreationParameters) );
    luabind::detail::class_rep* rep_audio = reg->find_class(
typeid(audio::SAudioParameters) );
    // _INFO << get_class_name( typeid(irr::SIrrlichtCreationParameters) );



    if(!rep){
        _LOG_WARNING << "could not find a class rep for
SIrrlichtCreationParameters";
        return false;
    }
    else {
        _INFO << "found rep for class '" << rep->name() << "'";
        _INFO << "registry: cpp_class" << reg->cpp_class();
        _INFO << "registry: cpp_instance" << reg->cpp_instance();
        _INFO << "registry: lua_instance" << reg->lua_instance();
        _INFO << "registry: lua_class" << reg->lua_class();
    }


    if(!rep_audio)
    {
        _LOG_WARNING << "could not find a class rep for
SIrrlichtCreationParameters";
        return false;
    }
    else
    {
        _INFO << "found rep for class '" << rep_audio->name() << "'";
//        _INFO << "registry: cpp_class" << rep_audio->cpp_class();
//        _INFO << "registry: cpp_instance" << rep_audio->cpp_instance();
//        _INFO << "registry: lua_instance" << rep_audio->lua_instance();
//        _INFO << "registry: lua_class" << rep_audio->lua_class();
    }

    int index = rep->metatable_ref();
    _INFO << "class_rep: metatable_ref" << rep->metatable_ref();

    // voici la cle utilise pour acceder au tableau representant la metatable
    lua_pushinteger( _vm, index );
    //Pushes onto the stack the value t[k], where t is the value at
the given valid index and k is the value at the top of the stack.
    // Pushes on top of stack the metatable
    lua_gettable(_vm, LUA_REGISTRYINDEX);
//    Returns 1 if the value at the given acceptable index is a table,
and 0 otherwise.
    //_INFO << "Is table (should be table )" << lua_istable( _vm, -1);

    lua_pushstring( _vm , "__newindex");
    //    //class_rep::lua_settable_dispatcher
    lua_pushcclosure(_vm, &onNewIndex, 0);
    // set new index
    lua_rawset( _vm, -3);


    // pop le tableau /metatable
    lua_pop( _vm,1);
    return true;
}


As for luabind not being updated, something should definitely be done.
Someone should contact the authors and ask to fork the project (don't
know much about MIT license) and host the fork on our server: I would
suggest Ryan Pavlik as the leader since he seems to be the most active
guy on the ml. It could be hosted by www.tuxfamily.org (I know the
guys here, it's top quality hosting)


I am ready to help on luabind:
-use variadic templates (when possible)
-provide tostring functionality
-capability to override __newindex and so on.
-doxygen documentation

I had begun the 4 previous tasks but without having a main repo to
send modifs too, it was hard to gather motivation. I don't want to be
leader of the fork since I am a self-taught programmer and as such,
there are mechanisms which remain dark to me and I am afraid I
wouldn't have time to dig deeper into this. But I am willing to lend a
hand to work on a fork. If anyone interested ?

Matt


On Fri, Feb 10, 2012 at 5:20 PM, Jason McKesson <[email protected]> wrote:
> On 2/9/2012 5:34 PM, Aaron Zinghini wrote:
>> Hi,
>>
>> Following on from this archive:
>>
>> https://sourceforge.net/mailarchive/message.php?msg_id=24029568
>>
>> Is there any time frame when 1.0 will be released and the
>> index/newindex overloading will be fixed?
>>
>> Thanks
>>
> Released by who? The main developers aren't updating it; it's been
> almost a year and a half since 9.1; there have been 4 versions of Boost
> released in that time. Their "solution" was to switch to a Git repo and
> just give it to the community. If you want a version with more bug fixes
> or features, you're going to have to walk through the various distinct
> Luabind Git repos out there and cobble together a build out of them.
>
> In short, Luabind is pretty much abandonware at this point.
>
> ------------------------------------------------------------------------------
> Virtualization & Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
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------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/