Class Objects Usage

[Fred Schuld]

I realized after I had sent the email that the function in question was defined as a virtual function in ov-fcn.h oops!
(This is my first look at the octave code).

Anyways, I shall try a rebuild with the call stack code fix and check it out.

BTW, is there support for inheritance with class objects?
The last I saw mention of class objects in the mailing list was last year during the summer of 2007 when it was introduced - at that time (I think) inheritance was not supported yet.

Regards,

Fred Schuld

> Date: Tue, 8 Jul 2008 15:28:47 -0400
> From: jwe at bevo.che.wisc.edu
> Subject: Re: Class Objects Usage
> To: michael.goffioul at gmail.com
> CC: jwe at bevo.che.wisc.edu; schuldwork at hotmail.com; octave-maintainers at octave.org
> 
> On  8-Jul-2008, Michael Goffioul wrote:
> 
> | On Tue, Jul 8, 2008 at 9:10 PM, Michael Goffioul
> | <michael.goffioul at gmail.com> wrote:
> | > I can reproduce the problem. I'll have a look.
> | 
> | I debugged a little bit with my code, which corresponds to the graphics
> | archive (not the latest octave archive, but quite close). The problem is
> | that in Fclass, fcn->is_class_constructor() returns false (I use the same
> | polynom example). At that point, fcn is actually the "class" function of
> | type octave_builtin, while I think the expected value is the "polynom"
> | function. I stepped into the previous octave_call_stack::caller() call and
> | it appears that the callstack contains 2 elements:
> | [0]: polynom
> | [1]: class
> | and octave_call_stack::caller() actually returns the second one.
> | 
> | Might this be related to the uncommited change in octave_call_stack
> | that you mentioned in another mail?
> 
> Yes, it could be.  I think I checked in at least one intermediate set
> of changes while I was fixing the call stack code.  I'd suggest
> updating and see if that fixes the problem.  If not, then we can look
> deeper.
> 
> jwe
> 

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