[Newbies] Re: Beginners Digest, Vol 102, Issue 13

Raymond Asselin jgr.asselin at me.com
Wed Nov 26 18:38:55 UTC 2014


I suppose you put "self halt." ?

Envoyé de mon iPhone

> Le 2014-11-26 à 12:42, dnorton at mindspring.com a écrit :
> 
> Hi Casey,
> 
> The target is Browser, which does not override the method.
> The hierarchy is: ProtoObject, Object, Model, StringHolder (has the method), CodeHolder, Browser, et seq.
> 
>  
> 
> I put the halt in StringHolder>>perform:orSendTo: and that didn't bring up the debugger.
> 
>  
> 
> There are 13 implementers of perform:orSendTo: and I can put a halt in each one in order to start the research, but I don't understand why the hierarchy seems to be bypassed.
> 
>  
> 
> - Dan
> >Date: Tue, 25 Nov 2014 21:43:57 -0800
> >From: Casey Ransberger 
> >Subject: Re: [Newbies] accept (s)
> >To: "dnorton at mindspring.com" , "A friendly
> > place to get answers to even the most basic questions about Squeak."
> > 
> >Message-ID: <3B1C3417-8C08-4CB9-844B-E6D28A51C0F1 at gmail.com>
> >Content-Type: text/plain; charset="us-ascii"
> >
> >Hi Dan,
> >
> >That doesn't sound quite right. 
> >
> >#perform:orSendTo: is probably overridden in Browser, but... have you looked to see if there's an implementation of it on Object or maybe ProtoObject or something like that?
> >
> >I'm pretty sure that #perform: and cousins are usually general. 
> >
> >Not sure (on a cellphone) without looking at an actual running system, but try looking up the inheritance chain for another implementation of the same selector. That might help. 
> >
> >Let me know either way, when I get back to a real computer I'll look into it for you if you don't get it figured out by then. 
> >
> >Good hunting!
> >
> >Casey
> >
> >> On Nov 25, 2014, at 5:30 PM, wrote:
> >> 
> >> An inspector for the menu item "accept (s)" reveals a selector of "#perform:orSendTo:" which is implemented in Browser.
> >> 
> >> I want to follow the code and I put a halt in "#perform:orSendTo:" but the debugger never opened. What gives?
> >> 
> >> 
> >> 
> >> - Dan
> >> 
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> 
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