[PD] [PD-dev] Should message objects be able to pre-parse $0 into valid dollarzero?

[Ivica Ico Bukvic]

On 09/09/2014 06:13 PM, Miller Puckette wrote:
> I think it would be easy enough to implement (message boxes would simply
> save $0 and put it somewhere when the message was getting passed - with
> some ugliness about recursion to worry about.)

Can you give me an example of such a recursion so that I can try to 
think of a solution?

>
> But I'd like to find a solution that somehow allows accessing $1, etc,
> from either context.  I can't find a good design that would accomodate this.
> (And as always, when I can't think of a good design, I simply work on
> something else instead hoping I or someone else will think of something good
> in the future :)
>
> M
>
> On Tue, Sep 09, 2014 at 04:19:10PM -0400, Ivica Ico Bukvic wrote:
>> Miller et al,
>>
>> The current code suggests that this should happen (binbuf_eval calls the
>> appropriate function), but since canvas_setcurrent is never called, it fails
>> and returns 0.
>>
>> Yet, I wonder why message shouldn't be able to pre-parse $0 into a valid
>> dollarzero (canvas instance), when there will never be a message one could
>> send into it that could trump this argument (how would one specify an
>> argument $0 anyhow)? I do understand that message is not meant to pre-parse
>> values, but shouldn't this be an exception? That way one creating a message
>> with an instance included does not have to go through the trouble of
>> creating an [$0] object that needs to be packed with the rest of the list
>> and then forwarded onward to a message object.
>>
>> Thoughts?
>>
>> If others are in favor of this idea, should this take place for all types of
>> messages passed into message object (bang, list, anything, blob, etc.)?
>>
>> -- 
>> Ivica Ico Bukvic, D.M.A.
>> Associate Professor
>> Computer Music
>> ICAT Senior Fellow
>> DISIS, L2Ork
>> Virginia Tech
>> School of Performing Arts - 0141
>> Blacksburg, VA 24061
>> (540) 231-6139
>> ico at vt.edu
>> www.performingarts.vt.edu
>> disis.music.vt.edu
>> l2ork.music.vt.edu
>>
>>
>> _______________________________________________
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-- 
Ivica Ico Bukvic, D.M.A.
Associate Professor
Computer Music
ICAT Senior Fellow
DISIS, L2Ork
Virginia Tech
School of Performing Arts - 0141
Blacksburg, VA 24061
(540) 231-6139
ico at vt.edu
www.performingarts.vt.edu
disis.music.vt.edu
l2ork.music.vt.edu