Re: [Help-smalltalk] Tracer tool

[Gwenael Casaccio]

On Monday 20 April 2009 12:33:20 you wrote:
> > Thanks for your answser :)
> >
> > This is strange in the activate_new_context method I've done this :
> >
> >   newContext = alloc_stack_context (size);
> >
> >   newContext->traced = 0;
>
> You definitely want FROM_INT (0) or _gst_nil_oop here, or expect crashes
> at the next GC.
>
> >   fprintf (stderr, "traced value : %d\n", newContext->traced);
> >   fprintf (stderr, "parent value : %d\n", ((gst_method_context)
> > OOP_TO_OBJ (_gst_this_context_oop))->traced);
> >
> > And if the traced value for the parent context is not nil any idea of the
> > problem ?
>
> nil is not zero, it is _gst_nil_oop (usually an hex value ending with
> 0x...800).
>
> Look at all callers of alloc_stack_context, in particular
> _gst_prepare_execution_environment.  But, adding new instance variables
> to contexts is a no-no. :-)
>
> By the way, with your GSOC application having been accepted "with very
> high probability", I would like you to publish your code somewhere as
> soon as possible.  I don't care in what state it is, don't be afraid of
> that.
>
> Paolo

Is it possible to send a message to an object inside the 
methodsend_block_value ?