[Xotcl] Re: [Xotcl] calledclass in a filter: what if the calledclass is/has a mixin?

Catherine Letondal letondal@pasteur.fr
Mon, 14 May 2001 11:06:17 +0200


Catherine Letondal wrote:
> 
> Hi,
> 
> I have a filter on Object which purpose is to register the called procs
> of every class in my application, for debugging purpose.
> The list of called procs is then displayed in a graphical component where
> it can be selected to be traced (http://www-alt.pasteur.fr/~letondal/biok/Images/tracegui.gif).
> 
> I would like to have also mixin procs registered, but apparently, the
> calledclass in the filter, when called on the mixin, does not return
> the mixin class, but the actual called class.
> Is there a way to know that the mixin proc was called - in the filter scope
> I mean ?
> 
> This filter is put on every class during a given period:
> Object instproc spyFilter args {
>        set proc [self calledproc]
>        set class [self calledclass]
> 
>        # debug is an Object doing debugging tasks and registering
>        # trace/debug informations
> 
>        debug instvar calledprocs
>        lappend calledprocs($class) $proc
> }

I should maybe add that this is not the complete filter procedure 
code (there is of course a next statement and other bookkeeping statements).


> 
> Class UpdateMixin
> UpdateMixin instproc update args {
> ...
> }
> 
> UpdateMixin filter actually displays spyFilter, but the filter
> does not "see" the UpdateMixin as the calledclass, but rather the
> class the mixin is associated with.
> 
> Thanks for your help,
> 
> --
> Catherine Letondal -- Pasteur Institute Computing Center
> 
> 
> 
> 
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--
Catherine Letondal -- Pasteur Institute Computing Center