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<p>Nice finding. The basisActiveProcess patch catches this, but we still get a BlockCannotReturn there. I guess this has the same reason as <a href="http://forum.world.st/BUG-REGRESSION-while-debugging-Generator-gt-gt-nextPut-td5108125.html#a5109109" class="x_OWAAutoLink" id="LPlnk368668">http://forum.world.st/BUG-REGRESSION-while-debugging-Generator-gt-gt-nextPut-td5108125.html#a5109109</a> ...</p>
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<a id="LPUrlAnchor_15925913863960.7245872242618514" href="http://forum.world.st/BUG-REGRESSION-while-debugging-Generator-gt-gt-nextPut-td5108125.html#a5109109" target="_blank" style="text-decoration:none">Squeak - Dev - BUG/REGRESSION while debugging Generator
>> #nextPut:</a></div>
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BUG/REGRESSION while debugging Generator >> #nextPut:. Hi all, I discovered a bug when stepping over a call to Generator >> #nextPut:. !! Save your image before trying the following...</div>
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Best,
<div>Christoph<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>Von:</b> Squeak-dev <squeak-dev-bounces@lists.squeakfoundation.org> im Auftrag von Jakob Reschke <forums.jakob@resfarm.de><br>
<b>Gesendet:</b> Donnerstag, 18. Juni 2020 01:44:28<br>
<b>An:</b> The general-purpose Squeak developers list<br>
<b>Betreff:</b> Re: [squeak-dev] Fixing the infinite debugger chains? (was: Code simulation error (was Re: I broke the debugger?))</font>
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<div class="PlainText">Oh, my 4.5 images open only one debugger for findContextSuchThat:.<br>
That is, one debugger per further click on "Over".<br>
<br>
Am Do., 18. Juni 2020 um 01:14 Uhr schrieb Jakob Reschke<br>
<forums.jakob@resfarm.de>:<br>
><br>
> Hi all,<br>
><br>
> Want another easy way to still get endless debuggers?<br>
><br>
> [^ self halt] ensure: [1 asString]<br>
><br>
> Do it, then step over the return (I have to click twice actually) --><br>
> endless debuggers on findContextSuchThat:.<br>
><br>
> Triggers in both current Trunk and in 5.3, and 5.2, and 5.0. In 5.1<br>
> and 4.6 I get repeated emergency evaluators instead.<br>
><br>
> If you proceed in the debugger after the halt, the expression<br>
> evaluates flawlessly.<br>
><br>
> If this example is not actually a new one, just be reminded that the<br>
> problem still exists... ;-)<br>
><br>
> Kind regards,<br>
> Jakob<br>
><br>
> Am So., 23. Feb. 2020 um 23:45 Uhr schrieb Christoph Thiede<br>
> <christoph.thiede@student.hpi.uni-potsdam.de>:<br>
> ><br>
> > > Unfortunately, for reasons I did not yet figure out, this fixes all<br>
> > recursions listed in my latest post, with exception of Generator>>#nextPut:.<br>
> ><br>
> > Short update: The latter can be explained by looking at Context >><br>
> > #cannotReturn:, which spawns a debugger on the activeProcess (!) manually.<br>
> > Not sure why we cannot simply raise a regular exception here? This would<br>
> > also be analogous to BlockCannotReturn ...<br>
> ><br>
> > Best,<br>
> > Christoph<br>
> ><br>
> ><br>
> ><br>
> > --<br>
> > Sent from: <a href="http://forum.world.st/Squeak-Dev-f45488.html">http://forum.world.st/Squeak-Dev-f45488.html</a><br>
> ><br>
<br>
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