Re: [Swig-devel] Support for nested classes in SWIG

[Raman G. <ram...@gm...>]

Hello William,

Thanks for the suggestions. I'll keep this in mind.
I've started drilling deeper into the code base. I'll
let you know if I run into hurdles.

Best,
Raman

On Sun, Aug 12, 2012 at 12:18 AM, William S Fulton
<ws...@fu...>wrote:

> On 09/08/12 20:08, Raman Gopalan wrote:
>
>>
>> Hello swig-devel,
>>
>> I would like to add support for nested classes in SWIG. So far, I've been
>> looking into the code base to get more familiar with the SWIG internals.
>> I have also read about the existing workaround for nested classes in the
>> manual.
>>
>> I would like start working on this. I could use a few suggestions and some
>> support. Can we have a work plan? How do I proceed from here?
>>
>>  Raman,
>
> That sounds great, if not a tough task to take on board. The simplified
> plan should be to first get the parse tree to contain the nested class
> hierarchy. Currently the nested classes are ignored. The -debug options are
> really useful for diagnosing this, in particular -debug-module 1 and
> -debug-csymbols. You'll have to do most of this work in parser.y.
>
> Modifying the parser to deal with non-template classes before moving on to
> templates will probably make sense, but you'll need to make sure all the
> different types of members are working too.
>
> Next, make sure the type resolution in the 2nd parse stage (typepass.cxx)
> correctly resolves the nested types. Use -debug-module 2 for that. Once
> that is in place the ground work will have been laid for the individual
> target languages to use this information for mapping nested classes on to
> something that makes sense in the target language.
>
> The third big stage would be to choose one target language you are most
> familiar with and put forward proposals with use cases (examples) of how it
> would work for discussion on the list before implementing.
>
> Over time, other target languages can be modified to make use of nested
> classes.
>
> Hope that helps, and good luck. Ask on the list if you need any help.
>
> William
>