Re: [pygccxml-development] mdecl and methods that return values

[Roman Y. <rom...@gm...>]

On 5/31/06, Allen Bierbaum <al...@vr...> wrote:
> > class X{ X(){} };
> >
> > global_ns['X'].meber_functions()
> >
> > Will raise an error: AttributeError: 'constructor_t' object has no
> > attribute '__getitem__'
>
> I would have to look into this further, but what is calling __getitem__
> on a constructor_t object?

call_redirector_t.__call__, because: global_ns['X'] is equivalent to
get all declarations
that have name 'X' class and its constructors match the query
I suggest you to debug small example and see what happens.

> > The query breaks precondition of
> > call_redirector_t.__call__ : I assume that all functions will return
> > same type
> > We don't have list of same objects. So mdecl_wrapper_t.__getitem__ can
> > not
> > return call_redirector_t( '__getitem__', self.decls)(index) :-(.
> >
> Maybe the precondition should be modified slightly.  Maybe the
> precondition should be that all objects returned can be wrapped with in
> a mdecl.  So the preconditions would be the same as those for creating
> an mdecl.  And unless I am missing something, an mdecl can wrap objects
> of different types.
>
> For example a call like:
>
> mfs = my_class.member_functions()
>
> Will return an mdecl that wraps constructors, calldefs, and any other
> types of members.

This is how it works right now. The main problem is how to define precondition.

-- 
Roman Yakovenko
C++ Python language binding
http://www.language-binding.net/