Squeak-dev July 1999

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139 participants
367 discussions

Re: walking man
by Jeff Szuhay 26 Jul '99

26 Jul '99

>Is there any example of a walking man for Alice? Is it hard to do? I >need both the man object and the script to make it walk. I would also be interested in a walking man/woman for Alice 8-) --************************************************** Jeff Szuhay <mailto:jeffs@pstnet.com> Lead Macintosh Engineer voice: 412/271-5040 x227 Psychology Software Tools <http://www.pstnet.com/>

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Re: Squeak and CasioE105
by Dean_Swan＠Mitel.COM 26 Jul '99

26 Jul '99

From: Dean Swan@MITEL on 07/26/99 11:22 AM Serg, I experienced similar behavior. What I did to solve it was define a new "button" in the Casio menu utility, and set it's command line to: "\Program Files\Squeak\Squeak.exe \Program Files\Squeak.image" Obviously, you should specify the name of your image file where I put "Squeak.image". There's probably a "more correct" way to install Squeak and define an association for ".image" files, but I have no love for Windows CE, and I can run Squeak, so I haven't probed any further. -Dean "Serg Koren" <usinet.skoren(a)ibm.net> on 07/23/99 08:11:43 PM Please respond to Serg(a)VisualNewt.com To: Dean Swan/Ogd/Mitel@Mitel cc: Subject: Squeak and CasioE105 HI Dean, Thanks for the info on running Squeak on the E100. I've got an E105 and it *should* be the same. But I've run into a problem, and I'm hoping you missed something in your instructions. I've loaded all the MIPS pieces (VM and 3d.dll) along with the b version of the image and changes. When I tap on the image I get an error telling me there is no association set between the image and an application. If I launch the VM I get the File Open dialog with *.image as a template but the Casio doesn't see it. Also, if I select *.* (all files) as a template. It still doesn't show up, but I can see every other file BUT *all* of the squeak files. That is, I can't see the VM or the dll or the image or the changeset. I've doublechecked the folder its in. Any thoughts or ideas? Thanks, Serg VisualNewt Software Serg(a)VisualNewt.com http://www.visualnewt.com/

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Re: Unidentified subject!
by Benjamin Pollack 26 Jul '99

26 Jul '99

You wouldn't happen to be on a Macintosh, by chance, would you? If you are, are you trying to mount the image file with DiskCopy? It's not a DiskCopy file; Squeak uses the image file verbaitim. If either your browser or the Mac OS thinks that it is a DiskCopy file, it willl try to mount the image with DiskCopy or StuffIt, both of which (correctly) report that the image is corrupted. I can personally vouch for the fact that the server's image file is in perfect working condition; I downloaded a fresh image just a few minutes ago to make sure, and it seems to be working perfectly well for me. Do make sure that you have downloaded the file in binary format. You can do this in IE by Control-clicking on a Mac (or right-clicking in every other OS) and choosing to download the link to disk. In Netscape, try Option-clicking the link on a Mac. (I don't think there's an equivilant in *nix and Windows versions.) Good luck. Enjoy Squeak! Benjamin Pollack -- Time flies when you don't know what you're doing. ---------- >From: Adriano <apeluso(a)peg.it> >To: squeak(a)cs.uiuc.edu >Subject: Unidentified subject! >Date: Sun, Jul 25, 1999, 3:40 AM > > Hello everybody, > > my name is Adriano, I'm a rank newbye, I just downloaded Squeak. > > I have a problem with the "Squeak2.4c.image" file: it's corrupted. > > I took it from ftp://st.cs.uiuc.edu//pub/Smalltalk/Squeak/2.4/Squeak2.4c.image > > Now, I wonder, did it get corrupted during the download, or the ftp server > is hosting a corrupted file? > > If the server is hosting a corrupted file, I won't bother with a second > download. > > If so, would anybody please suggest me an alternative address to pick it > up from? Thanks > > Bye > Adriano > >

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RE: Re: Working together (some ideas)
by Jarvis, Robert P. 26 Jul '99

26 Jul '99

Is your source code management stuff available somewhere? Bob Jarvis The Timken Company > -----Original Message----- > From: Alan Lovejoy [SMTP:sourcery@pacbell.net] > Sent: Sunday, July 25, 1999 5:00 PM > To: Hans-Martin Mosner; squeak(a)cs.uiuc.edu > Subject: re: Re: Working together (some ideas) > > > ** Original Sender: Hans-Martin Mosner <hm.mosner(a)cityweb.de> > > > > <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> > > <html> > > Ivan Tomek wrote: > > <blockquote TYPE=CITE>Doesn't a stack-based  model like Collage > presume > > a sequential form of > > development? The earlier discussion dealt with parallel and > > independent developments. How would the Collage model deal with > > this? > > Ivan</blockquote> > > The stack-based model tries to mimic the sequential form, without making > > independent development difficult. One idea of Collage is that the stack > > can be reorganized at any time, making the system behave as if the > different > > layers were filed in in another order. > > I think that the main problem with non-intersecting application > approaches > > such as ENVY is that they make 'patches' quite difficult to develop and > > maintain if you're not the owner of the application to be patched. In > the > > highly delocalized culture of Squeak, where people from all corners > contribute > > interesting things (which are often not in a production-quality state), > > this is simply unfeasible. > > Exactly so. This is why the source code management system I've developed > permits methods and classes to belong to any number of modules. > > --Alan >

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Re: [ENH] Help for Adding Name Space to Squeak
by Peter Novak 26 Jul '99

26 Jul '99

Hi Giovanni, the one who posted something about simple NameSpaces few days ago am I. I am a new employee of the company Whitestein Technologies (http://www.whitestein.com), previous ArtInAppleS (maybe some of you know this company because of it's activities on the field of ODBS) and my initial project in this company is to implement simple NameSpace facility to Squeak. I am working on it with my chief Mr. Augustin Mrazik. I created a page on the Squeak Swiki server - http://minnow.cc.gatech.edu/squeak.727 , so if you want to know more about our concepts of NameSpaces please read it. I have now early code of the implementation. If you are interrested in please contact me at pno(a)whitestein.com and I'll send you my work. Peter Novak, Whitestein Technologies, -------------------------------------------------------- If the computer is a universal control system, let's give kids universes to control. -------------------------------------------------------- pno(a)whitestein.com http://www.whitestein.com -----Original Message----- From: Giovanni Giorgi <giovanni.giorgi(a)mlab.disco.unimi.it> To: SqueakML <squeak(a)cs.uiuc.edu> Date: 22. júl 1999 11:00 Subject: [ENH] Help for Adding Name Space to Squeak >Ciao! >I'd like to add a simple name space facility to Squeak, for improving >the Smalltalk Interface extension and for improving developement of >different projects. >First of all, I'd like to know if someone (of the Squeak Team or alone) >is working on it. >Will Squeak 2.5 provide name spaces? >I have searched for some similar projects on Squeak, but I cannot find >nothing on the Web. >In this mailing list, someone posted a problem realted to a simple name >space project, days ago. >I need of some ideas, and some tips on how to organize the entire >problem. >Then, I will try to implement the resulting work form this discussion. >If someone is already doing this stuff, I will provide my help! > >The Name Space Problem >I'd like to implement a fair light name space engine, without the need >of recompiling the VM. >I think to add some new special statements to the language, for >switching beetween name space. >A Name-Space-enabled-Browser should be builded. > >I think a good starting point could be a simple modification of the >SystemDictionary. >Then we can add some classes with methods for switching between name >spaces... > >Someone has some ideas? > >Thank you very very much! > >-- >// Giovanni Giorgi e-mail: giovanni.giorgi(a)mlab.disco.unimi.it > >// Master Thesis at http://mars.sal.disco.unimi.it/~giorgi >// Student & (ex)Tutor at Depart. of Computer Science of Milan, Italy. > > Attachment converted: Anon:Peter Novak.vcf 3 (TEXT/R*ch) (00011F6D)

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Simple Parser for Natural Language?
by Dan Ingalls 25 Jul '99

25 Jul '99

Folks - Ted Kaehler and I want to write a Squeak program capable of superficially understanding natural language. (Of course you are all invited to play, too ;-). By superficial understanding I mean, that it could successfully parse most sentences and could build up a body of valid knowledge structures based on the content. Of course this does not constitute real understanding, since the relationships may be ambiguous, conflicting or lacking necessary context or metainformation. However, even at this superficial stage, it could be very useful and probably a lot of fun. With backpointers to its source material, it could certainly facilitate inquiries about the content. And with a bit more work, we might actually learn a thing or two about real understanding. So, here's the question: Do any of you know of any simple parsers in Smalltalk (or even other languages) that are capable of parsing most english sentences correctly? Presumably this also requires a lexicon, so it is important that the associated lexicon be in the public domain as well. Obviously, the next topic of interest is meta-information in the lexicon (like the relationship between infinitessimal, tiny, small, little, average, big, large, enormous, collossal), so if you have any leads onto (again, simple) work along these lines, that is also of interest to us. The idea is to then point it at a newspaper, the web, or the Squeak archives, and see if we can get it to make any interesting statements, even if they are wrong, and especially if they are funny. Please don't mock us for simple thoughts about complicated topics. After all, that's how we got Squeak. Thanks -Dan

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Re: Simple Parser for Natural Language?
by Luciano Notarfrancesco 25 Jul '99

25 Jul '99

Dan, I'm glad to hear you want to do this... If you just add speech synthesis and recognition... and a red eye... I have been thinking about doing natural language processing in Squeak, but I got the conclusion that the most natural way to communication with Squeak is the Smalltalk language already implemented. Anyway, doing natural language understanding even in a limited form would be really great! And if you will talk about Squeak objects, then you don't need any knoweledge base but the image it self! I was planning to implement NGrammars for doing syntactic analysis in order to do better prosody generation for a text-to-speech system. I believe the N-grams stuff could be useful for your project. Cheers, Luciano.-

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re: Re: Working together (some ideas)
by Alan Lovejoy 25 Jul '99

25 Jul '99

> ** Original Sender: Hans-Martin Mosner <hm.mosner(a)cityweb.de> > > <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> > <html> > Ivan Tomek wrote: > <blockquote TYPE=CITE>Doesn't a stack-based  model like Collage presume > a sequential form of > development? The earlier discussion dealt with parallel and > independent developments. How would the Collage model deal with > this? > Ivan</blockquote> > The stack-based model tries to mimic the sequential form, without making > independent development difficult. One idea of Collage is that the stack > can be reorganized at any time, making the system behave as if the different > layers were filed in in another order. > I think that the main problem with non-intersecting application approaches > such as ENVY is that they make 'patches' quite difficult to develop and > maintain if you're not the owner of the application to be patched. In the > highly delocalized culture of Squeak, where people from all corners contribute > interesting things (which are often not in a production-quality state), > this is simply unfeasible. Exactly so. This is why the source code management system I've developed permits methods and classes to belong to any number of modules. --Alan

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Working together (some ideas)
by Hans-Martin Mosner 25 Jul '99

25 Jul '99

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[BUG?] [FIX?] pruning too much in C-code generation
by Lex Spoon 25 Jul '99

25 Jul '99

Does it make sense to put pluggable primitives right inside the interp.c file? It would seem so in some cases. Assuming this is right, #pruneUnreachableMethods should be careful not to remove methods which are being exported, even if they can't be called directly. One easy fix would be to add a line like this before the second blank line in #pruneUnreachableMethods: retain addAll: (methods select: [ :m | m export] thenCollect: [ :m | m selector ]). The whole method after this change is appended. FWIW, it seems to work for me.... -Lex pruneUnreachableMethods "Remove any methods that are not reachable. Retain methods needed by the BitBlt operation table, primitives, plug-ins, or interpreter support code." | retain | "Build a set of selectors for methods that should be output even though they have no apparent callers. Some of these are stored in tables for indirect lookup, some are called by the C support code or by primitives." retain _ BitBltSimulation opTable asSet. #(checkedLongAt: fullDisplayUpdate interpret nullCompilerHook printCallStack readImageFromFile:HeapSize: setCompilerInitialized: success:) do: [:sel | retain add: sel]. InterpreterProxy organization categories do: [:cat | ((cat ~= 'initialize') and: [cat ~= 'private']) ifTrue: [ retain addAll: (InterpreterProxy organization listAtCategoryNamed: cat)]]. retain addAll: (methods select: [ :m | m export] thenCollect: [ :m | m selector ]). "Remove all the unreachable methods that aren't retained for the reasons above." self unreachableMethods do: [:sel | (retain includes: sel) ifFalse: [ methods removeKey: sel ifAbsent: []]].

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