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<font size="4"><font face="monospace">Before we start to do
architectural surgery, let's back up a bit and try to distill
some requirements and goals. What problems led you here? Are
these tools we expect people to run full-time, or mostly for
debugging when something goes wrong? Can they be applied to
ordinary classfiles, or do they have to work during building?
Could this be framed as a kind of transform, instead of a new
concept? <br>
<br>
<br>
</font></font><br>
<div class="moz-cite-prefix">On 8/19/2022 2:34 AM, Adam Sotona
wrote:<br>
</div>
<blockquote type="cite" cite="mid:CY4PR1001MB2150449B26B42D24F24EDC688C6C9@CY4PR1001MB2150.namprd10.prod.outlook.com">
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<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">I’ve
started working on various helper tools that can give user
answers during code building.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Answers
to questions like:<o:p></o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">What is actual
instructions count<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">What is actual/max
depts of the stack<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">Which locals have
been used<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">What kinds or exact
types are at locals<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">What kinds or exact
types are on stack<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">Show me a log of all
instructions<o:p></o:p></span></li>
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt" lang="EN-US">…<o:p></o:p></span></li>
</ul>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Each
of this question has specific use case and calculation of
each answer scarifies different amount of resources.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Unfortunately
implementation of tool answering any of the above questions
requires:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">-
either heavy use of BufferedCodeBuilder (and complicate
existing building or transformation blocks a lot)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">-
or hacking into CodeBuilder(s) implementation<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">I
would like to propose a similar approach as Linux “tee” tool
does, so user can attach another consumer of the
CodeElements passed to the CodeBuilder.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">It
might be just a single method in CodeBuilder:<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Courier
New";color:#336BDD;mso-fareast-language:EN-GB" lang="EN-US">
</span><span style="font-size:10.0pt;font-family:"Courier
New";color:#336BDD;mso-fareast-language:EN-GB">default</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">
</span><span style="font-size:10.0pt;font-family:"Courier
New";color:#336BDD;mso-fareast-language:EN-GB">void</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">
<b>tee</b>(Consumer<CodeElement> </span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB" lang="EN-US">secondListener</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">,
Consumer<CodeBuilder> handler) {<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">
handler.accept(</span><span style="font-size:10.0pt;font-family:"Courier
New";color:#336BDD;mso-fareast-language:EN-GB">new</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">
TeeCodeBuilder(</span><span style="font-size:10.0pt;font-family:"Courier
New";color:#336BDD;mso-fareast-language:EN-GB">this</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">,
</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB" lang="EN-US">secondListener</span><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB">));<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Courier
New";color:black;mso-fareast-language:EN-GB"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Use
case may then look for example like this:<o:p></o:p></span></p>
<pre style="background:white"><span style="color:black"> </span><span class="literal"><span style="color:#336BDD">var</span></span><span style="color:black"> stackCounter = ...</span><span class="comment"><span style="color:#969696">//custom computation tool</span></span><span style="color:black"><o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black"> <span class="st0"><i>codeBuilder</i></span>.<span class="st0"><i>tee</i></span>(stackCounter, cb -> {<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black"> ... </span><span class="comment"><span style="color:#969696">//block of instructions to be counted</span></span><span style="color:black"><o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black"> });<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black"> stackCounter.<span class="st0"><i>actual</i></span>();<o:p></o:p></span></pre>
<pre style="background:white"><span style="color:black"> stackCounter.<span class="st0"><i>max</i></span>();<o:p></o:p></span></pre>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">What
do you think about this CodeBuilder hook for various
instructions-consuming computation tools?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US">Adam<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt" lang="EN-US"><o:p> </o:p></span></p>
</div>
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