[PD] arguments not passed to an external

[Jonathan Wilkes]

Well the maintainer on a lot of it is Hans, and I doubt he wants to do it by hand.

-Jonathan




On Monday, May 26, 2014 4:05 PM, Miller Puckette <msp at ucsd.edu> wrote:
 


I wouldn't dare unleash a script on SVN - I think it's wiser to leave this up
to whomever is maintaining individual packages.

Same for whomever is watching over the howto (it's not my work at all, although
I'm delighted it's there! )

M


On Mon, May 26, 2014 at 12:22:15PM -0700, Jonathan Wilkes wrote:
> Is there a script to change the rest of svn?
> 
> Also the externals howto should be changed to use A_CANT instead of zero.
> 
> -Jonathan
> 
> 
> 
> 
> On Monday, May 26, 2014 3:00 PM, Miller Puckette <msp at ucsd.edu> wrote:
>  
> 
> 
> Aha... DOUBLE fail on my part - I wasn't enforcing A_CANT and anyhow
> almost none fo teh tlde objects were using it!  Just goes to show -
> if yuo've never tested something it probably doesn't work.
> 
> Should be fixed in vanilla git repo now.
> 
> cheers
> M
> 
> 
> On Mon, May 26, 2014 at 11:17:40AM -0700, Jonathan Wilkes wrote:
> > I don't see anything in the code that would keep [dsp(--[osc~] from triggering this "dsp" message to the signal object.
> > 
> > Indeed, when I specify A_CANT as the "dsp" arg type for [osc~] and recompile it still crashes.
> > 
> > So that may be the policy, but the design doesn't keep the message from being dispatched.
> > 
> > -Jonathan
> > 
> > 
> > On Monday, May 26, 2014 1:32 PM, Miller Puckette <msp at ucsd.edu> wrote:
> >  
> > 
> > 
> > No, the A_CANT will ensure that the message never gets sent to the
> > object (because typechecking fails)
> > 
> > You can of course send the message from C, but anyone's allowed to crash
> > Pd by introducing faulty C code :)
> > 
> > M
> > 
> > 
> > On Mon, May 26, 2014 at 10:23:36AM -0700, Jonathan Wilkes wrote:
> > > Is that by policy or design?
> > > 
> > > In other words, if I send a msd [dsp crash_my_pd( to a signal object that defines its dsp method args using A_CANT, will it still crash?  (Not at a machine with Pd or I'd try it myself.)
> > > 
> > > -Jonathan
> > > 
> > > 
> > > On Monday, May 26, 2014 1:06 PM, Miller Puckette <msp at ucsd.edu> wrote:
> > >  
> > > 
> > > 
> > > Just to answer one sprcific question here...
> > > > 
> > > > Lyon's book explaing what A_GIMME does, but not A_CANT. I checked m_pd.h a
> > > > bit but didn't make much out of it. It is there where the problem lies?
> > > > 
> > > 
> > > A_CANT is used when an object receives a message but the arguments can't be
> > > safely typechecked by Pd - so these messages are refued if sent by the patch,
> > > but friendly C code can call them using a lower-level mechanism.
> > > 
> > > cheers
> > > Miller

> _______________________________________________
> Pd-list at lists.iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20140526/43f23bfd/attachment.html>