<div dir="ltr"><div dir="ltr">Hi Hilaire,<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><p>I tested latest DrGeo with my students last Friday. There are very good bug discoverers! My plate is full.<br></p></div></blockquote><div>The same thing happens to me with my students (but at the university :-) ).</div><div>Newbies do things that we do not usually do and find bugs we do not...</div><div><br></div><div>For sure the loop you mention is due to this part of the code:</div>[debugger interruptedContext method == aCompiledMethod]<br><div> whileFalse: [debugger send].</div><div><br></div><div>I had some issues with the debugger too when I wrote DenotativeObjects. <br></div><div>I'll take a look and see if I can help you.</div><div><br></div><div>Hernan.</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><p> </p> <p>It is in the context of programming Smalltalk sketch. So we use the SmalltalkSketchEditor of DrGeo with its minimalist debugger.</p> <p>One student found that when hitting the "Step by Step" button of the editor when there is an empty code to compile, leads to an infinite loop (hopefully breakable with alt-[.])<br> </p> <p>The problem also occurs with simple code as "1". <br> </p> <p>I don't understand the arcane of the debugger and related compiler stuff, so help will be welcome to found out. I enclosed the debug log.<br> </p> <p>The involved methods are the my init of the debugger session:</p> <p><b>DrGSmalltalkEditor>>debugSketch</b><br> "model ifEmpty: [^ self]."<br> self stopSketch.<br> self isDocVisible ifTrue: [self toggleHelp].<br> codeView scroller acceptContents.<br> codeView editor <br> afterCompiling: model <br> do: [ :compiler :method :receiver :context | method ifNotNil: [<br> debugger _ Debugger <br> openMinimalDebugging: [<br> method<br> valueWithReceiver: receiver <br> arguments: (context ifNil: [ #() ] ifNotNil: [ { context } ])]<br> to: method.<br> debugger layoutMorph borderWidth: 1.<br> codeAndViewPanel replaceSubmorph: codeView by: debugger layoutMorph. <br> debugger model when: #closeViews send: #stopDebbuger to: self.<br> debugger contextVariableInspector selectionIndex: 3.]<br> ]<br> ifFail: [].</p> <p>and <br> </p> <p><b>Debugger class>>openMinimalDebugging: aBlock to: aCompiledMethod </b><br> "Create a new process to debug aBlock, and step into it."<br> <br> | processToDebug debugger window |<br> debugger _ self new.<br> processToDebug _ aBlock newProcess name: 'debugIt'.<br> debugger process: processToDebug context: processToDebug suspendedContext.<br> window _ debugger openMinimalMorphic.<br> [debugger interruptedContext method == aCompiledMethod]<br> whileFalse: [debugger send].<br> ^ window <br> </p> <p><br> </p> <p>Then image is stuck in the method<b> </b><b>doPrimitive: primitiveIndex method: meth receiver: receiver args: arguments</b></p> <p>I also observed in this method several messages<b> </b>are unimplemented methods (colored in red in the Browser)<br> </p> <p>I can't tell if it is a problem of Cuis or DrGeo...</p> <p>If one want to experiment the bug, just download latest DrGeo at <a href="http://dev.drgeo.eu" target="_blank">http://dev.drgeo.eu</a> and open its Smalltalk Sketch editor from the world menu then hit the "step by step" iconic button.</p> <p>Thanks</p> <p>Hilaire<br> </p> <pre cols="72">-- GNU Dr. Geo <a href="http://drgeo.eu" target="_blank">http://drgeo.eu</a> <a href="http://blog.drgeo.eu" target="_blank">http://blog.drgeo.eu</a></pre> </div> -- <br> Cuis-dev mailing list<br> <a href="mailto:Cuis-dev@lists.cuis.st" target="_blank">Cuis-dev@lists.cuis.st</a><br> <a href="https://lists.cuis.st/mailman/listinfo/cuis-dev" rel="noreferrer" target="_blank">https://lists.cuis.st/mailman/listinfo/cuis-dev</a><br> </blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div style="font-size:small"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><span style="font-family:tahoma,sans-serif;font-size:xx-small;border-collapse:collapse"><strong><span style="font-size:8pt"><span style="font-size:small"><font size="2"><span style="font-weight:normal"><span style="font-weight:bold">Hernán Wilkinson</span><br>Agile Software Development, Teaching & Coaching</span></font></span></span></strong></span></div><div style="font-size:12.8px"><span style="font-family:tahoma,sans-serif;font-size:xx-small;border-collapse:collapse"><strong><span style="font-size:8pt"><span style="font-size:small"><font size="2"><span style="font-weight:normal">Phone: +54-011</span></font></span></span></strong></span><font face="tahoma, sans-serif" size="2">-4893-2057</font></div><div style="font-size:12.8px"><strong style="font-family:tahoma,sans-serif;font-size:xx-small"><span style="font-size:8pt"><span style="font-size:small"><font size="2"><span style="font-weight:normal">Twitter: @HernanWilkinson</span></font></span></span></strong></div><div style="font-size:12.8px"><span style="font-family:tahoma,sans-serif;font-size:xx-small;border-collapse:collapse"><strong><span style="font-size:8pt"><span style="font-size:small"><font size="2"><span style="font-weight:normal">site: <a href="http://www.10pines.com/" style="color:rgb(17,65,112)" target="_blank">http://www.10Pines.com</a></span></font></span></span></strong></span></div><div style="font-size:12.8px"><font face="tahoma, sans-serif"><span style="border-collapse:collapse">Address: Alem 896</span></font>, Floor 6, Buenos Aires, Argentina</div></div></div></div></div></div></div></div></div>