Thansk you, Yoshiki<br><br>Your answer is the just one that solves the puzzle in my mind. <br>So, I am sure you can solve another puzzle in my mind about metaclass.<br><br>All things in Smalltalk are Objects include Classes,
<br>all Classes are instances of MetaClass.<br>I consider this structure bring on an advantage that we get a clean idea, <br>and we can make a simple VM which needn't distinguish:<br>1. common objects and Classes;<br>2. Classes and MetaClasses.
<br>But, why metaclass structure like this:<br>
<a href="http://netjam.org/smalltalk/objectMetaphysics/">http://netjam.org/smalltalk/objectMetaphysics/</a><br>
<br>- Simbba<br><br>
<br><br><div><span class="gmail_quote">2006/6/29, Yoshiki Ohshima <<a href="mailto:yoshiki@squeakland.org">yoshiki@squeakland.org</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hello,<br><br> I noticed that this one only got a one-liner from Ron, but I felt to<br>explain it a bit more.<br><br> First, the better paper to refer to is:<br><br><a href="http://users.ipa.net/~dwighth/squeak/oopsla_squeak.html">
http://users.ipa.net/~dwighth/squeak/oopsla_squeak.html</a><br><br>> In Squeak, what was first: VM or image?<br><br> If we are specifically talking about Squeak, I'd say the image was<br>the first, but could have been in the other way. The image was
<br>created from the Apple Smalltalk image, and the part of the Squeak VM<br>was also written in the same Apple Smalltalk.<br><br>> It is said the Squeak VM is created by itself, but how to run the first image file?<br>
> And how to creat the first image file?<br><br> It was actually hosted in an existing (another) Smalltalk<br>environment.<br><br>> I wondered whether the VM C source code should be first created?<br><br> The first VM didn't depend on any C code, but other
<br>Smalltalk.<br><br> And, I think a philosopher recently declared that the egg was first<br>before chicken. Following his theory, a non-chicken creature bore an<br>egg, but it was a chicken-kind egg.<br><br>-- Yoshiki
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