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<p><font size="4">Hi, <br>
</font></p>
<p><font size="4">I will need some help there because this is
uncharted territory for me.<br>
</font></p>
<p><font size="4">When the user executes a faulty Smalltalk sketch,
I want to catch the exception and present the error in a
simplified debugger. To not help, the Smalltalk sketch is
evaluated in a low priority process, so the GUI remain
interactive.</font></p>
<p><font size="4">What I do is this:</font></p>
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<pre style="margin: 0; line-height: 125%"> <span
style="color: #996633">sketchProcess</span> <span
style="color: #333333">:=</span> [
(<span style="color: #BB0066; font-weight: bold">DrGeoSystem</span> <span
style="color: #0066BB; font-weight: bold">preferences</span> <span
style="color: #0066BB; font-weight: bold">at:</span> <span
style="color: #AA6600">#advancedDebugger</span>)
<span style="color: #007020">ifTrue:</span> [<span
style="color: #BB0066; font-weight: bold">Compiler</span> <span
style="color: #0066BB; font-weight: bold">evaluate:</span> <span
style="color: #996633">model</span>]
<span style="color: #007020">ifFalse:</span> [
[<span style="color: #BB0066; font-weight: bold">Compiler</span> <span
style="color: #0066BB; font-weight: bold">evaluate:</span> <span
style="color: #996633">model</span>]
<span style="color: #0066BB; font-weight: bold">on:</span> <span
style="color: #BB0066; font-weight: bold">Exception</span>
<span style="color: #0066BB; font-weight: bold">do:</span> [<span
style="color: #333333">:</span><span style="color: #996633">ex</span> <span
style="color: #333333">|</span> <span style="color: #333333">|</span><span
style="color: #996633"> myContext </span><span
style="color: #333333">|</span>
<span style="color: #996633">myContext</span> <span
style="color: #333333">:=</span> <span style="color: #996633">ex</span> <span
style="color: #0066BB; font-weight: bold">signalerContext</span> <span
style="color: #0066BB; font-weight: bold">findContextSuchThat:</span> [<span
style="color: #333333">:</span><span style="color: #996633">aContext</span> <span
style="color: #333333">|</span>
<span style="color: #996633">aContext</span> <span
style="color: #0066BB; font-weight: bold">method</span> <span
style="color: #0066BB; font-weight: bold">defaultSelector</span> <span
style="color: #0066BB; font-weight: bold">==</span> <span
style="color: #AA6600">#DoIt</span>].
<span style="color: #996633">debugger</span> <span
style="color: #333333">:=</span> <span
style="color: #BB0066; font-weight: bold">Debugger</span>
<span style="color: #0066BB; font-weight: bold">openMinimalDebuggingProcess:</span> <span
style="color: #996633">sketchProcess</span>
<span style="color: #0066BB; font-weight: bold">context:</span> <span
style="color: #996633">myContext</span>.
<span style="color: #007020">self</span> <span
style="color: #0066BB; font-weight: bold">plugDebugger</span> ]
].
<span style="color: #996633">sketchProcess</span>
<span style="color: #0066BB; font-weight: bold">priority:</span> <span
style="color: #BB0066; font-weight: bold">Processor</span> <span
style="color: #0066BB; font-weight: bold">userSchedulingPriority</span> ;
<span style="color: #0066BB; font-weight: bold">name:</span> <span
style="background-color: #fff0f0">'[DrGeo] Smalltalk Sketch execution'</span>;
<span style="color: #0066BB; font-weight: bold">resume</span>.
</pre>
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<p><font size="4"><br>
</font></p>
<p><font size="4">Sadly, when I present the error with my
MinimalDebbugger all the variables within the script are nil
(see screenshot below). When instead I use the standard
Debugger with: <br>
</font></p>
<p><font size="4"> Debugger openProcess: sketchProcess context:
myContext label: 'Debug'<br>
</font></p>
<p><font size="4">the variable values are ok. I tried to mimic the
behavior of the regular debugger, but I likely miss something.<br>
</font></p>
<img moz-do-not-send="false"
src="cid:part1.0PLd27Tz.6NBl0vfQ@free.fr" alt="debug" width="915"
height="588">
<p><font size="4"><br>
</font></p>
<p><font size="4">Thanks<br>
</font></p>
<pre class="moz-signature" cols="72">--
GNU Dr. Geo
<a class="moz-txt-link-freetext" href="http://gnu.org/s/dr-geo/">http://gnu.org/s/dr-geo/</a>
<a class="moz-txt-link-freetext" href="http://gnu-drgeo.blogspot.com/">http://gnu-drgeo.blogspot.com/</a></pre>
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