Squeak-dev January 2007

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160 participants
184 discussions

Re: An issue with Slang, the interpreter & the VM, and a period in biasToGrow.
by Bert Freudenberg 23 Jan '07

23 Jan '07

Am Jan 23, 2007 um 14:12 schrieb Jecel Assumpcao Jr: > David T. Lewis wrote: >> Um, wait a minute. The Smalltalk compiler does not complain about it, >> so why would we expect the Slang translator to complain about it? >> It's >> perfectly valid Smalltalk, and it does not blow up until you run it >> in Squeak. > > Exactly - my guess is that if this code had ever been executed it > would > have failed with a "does not understand #self" error. So I don't see > this system as broken (perhaps very fragile, though). It is broken because Slang does *not* produce equivalent C code. So either we need to fix Slang to actually generate the right code, or make it throw up an error. *Silently* dropping an expression is unacceptable. As for "ever been executed" ... For one reason or the other, most Slang hackers I know rarely use the simulation. Well, actually it depends. Like, core VM stuff, nobody simulates, it's just too slow to be interesting. Well perhaps except for Craig with his super-tiny image. With Slang-only plugins I have indeed used it (e.g., I wrote a TweakPlugin that speeds up a basic operation). But as soon as you are interfacing to an external library, simulation is next to useless. Your point is valid in so far that *had* it ever been executed it would have been caught easily. But this requires a correct translation. - Bert -

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Re: Form A PR Committee
by Giuseppe Luigi Punzi 23 Jan '07

23 Jan '07

Some months ago, I propose something like this to the Lazarus/FreePascal community, but only I started. You can read about this here: http://lordzealon.com/blog/?p=42#more-42 The last link (the wiki) was changed and is this: http://promoting-fpc.lordzealon.com/ Just my 2 cents. Cheers.

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Web Site Looks Great
by Chris Cunnington 23 Jan '07

23 Jan '07

Hi, I was on my way to Squeakland to download an eToys pdf, and I ended up by accident at the Squeak.org site. It looks amazing. Nice work, webmaster! Chris Cunnington Toronto

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[JOB] Smalltalk developer in Belgium
by Nick Snels 23 Jan '07

23 Jan '07

Hi, I'm looking for a software developer for a full time job in Groot-Bijgaarden (Vlaams-Brabant, Belgium). You need to live in Belgium if you want to apply for this job. Prior experience in Smalltalk isn't necessary but it is a plus. A training of Smalltalk, XP programming and an introduction to the television world will be given by the company when you start. You can read the full job description at http://www.ictvacatures.be/job/show/105 http://www.ictvacatures.be/job/show/105 (Note: job description is in Dutch) Kind regards, Nick Snels http://www.ictvacatures.be http://www.ictvacatures.be IT and telecommunication jobs -- View this message in context: http://www.nabble.com/-JOB--Smalltalk-developer-in-Belgium-tf3033497.html#a… Sent from the Squeak - Dev mailing list archive at Nabble.com.

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AmigaOS 4 Now Available !!!
by Chris Cunnington 23 Jan '07

23 Jan '07

I just read this on Slashdot! The new AmigaOS 4 is now available even though there is no hardware available to run it! A quote from one of its happy users: "It is nice to not have any distractions when working there is no waiting for the system to swap out when switching between major applications, no constant reminders for updates or to download new virus definitions and even if the worst happens and the system locks up, it takes only seven seconds to reboot and get back to a functional desktop." Read more at http://arstechnica.com/reviews/os/amigaos4.ars Thank God we never post on Slashdot. Let's keep Squeak a secret for ever and ever and ever. Yes, Precious... Nobody will ever find us in here... gollum, gollum...We're safe, and all alone. My Preeeeeeeeecious... Chris Cunnington Toronto

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Example of including color images in PDF file?
by Stephan Eggermont 22 Jan '07

22 Jan '07

I've tried to create pdf's containing color images with SPDF, but only succeed in getting invalid results on Windows. Are there limitations in the file formats SPDF supports? Stephan Eggermont

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The Smalltalk Foundation?
by Klaus D. Witzel 22 Jan '07

22 Jan '07

Found on /. "The Linux Foundation. The result of this consolidation will be to dedicate the resources of the combined membership to 'accelerate the growth of Linux by providing a comprehensive set of services to compete effectively with closed platforms.' Jim Zemlin, currently the head of FSG, will lead the new organization as its Executive Director. The new organization will continue to support Linux in a variety of ways, including by providing economic support to Linus Torvalds and other key kernel developers, managing the Linux trademark, and providing legal protection to developers through such initiatives as the Open Source as Prior Art project, the Patent Commons, and the Linux Legal Defense Fund. All in all, a tall order, but eminently possible given its membership: The Linux Foundation's founding members will include every major company in the Linux industry, including Fujitsu, Hitachi, HP, IBM, Intel, NEC, Novell, Oracle and Red Hat, as well as many community groups, universities and industry end users." - http://linux.slashdot.org/linux/07/01/22/0733203.shtml /Klaus

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Is mantis down?
by Jerome Peace 22 Jan '07

22 Jan '07

Hi all, I've tried on two separate days and could not connect. So is mantis down or undergoing changes? What's happening? Yours in curiosity and service, -Jerome Peace ____________________________________________________________________________________ TV dinner still cooling? Check out "Tonight's Picks" on Yahoo! TV. http://tv.yahoo.com/

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Elections coming up
by Daniel Vainsencher 22 Jan '07

22 Jan '07

Hi everyone, I thought I'd remind everyone that the elections process is about to begin. This process is performed by the elections team. The goal of the team is to carry out the election in such a way that the elected board is representative of the communities wishes. At the moment, we invite anyone that wants to join the discussions of the election team (and possibly the team proper), is welcome to register for the elections mailing list (start from http://squeak.org/Community/Teams/). Usually people that intend to run as candidates pretty much exclude themselves from both. If you have any requests or comments about how the election should occur, now is a good time to make them, either here or there. For example, one topic for discussion might be the proper number of Board posts relative to the number of candidates we have (by default, we will have 7 positions as last time) or the requirements to vote (currently, higher than observer status on SqP, or being an active participant in a sibling community). Daniel Vainsencher

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Stack reification and JIT interaction question
by stephane ducasse 21 Jan '07

21 Jan '07

Hi We have a deep discussion on execution stack reification and we want to know if there is a difference between the blue book and VW. Basically I wrote in a article that in Smalltalk the execution stack is causally connected and reified on demand. - causally connected because if I change the object that represents the stack the stack changes (as show by the example below) - reified on demand measn that the stack is not always a first class objects that I can access via message sends but only when thisContext is used or exceptions. Lukas told me that in Squeak this is always an object and that the blue book shows that too. So I wanted to know in VisualWorks in presence of a JIT if this is the case. My question basically is when a method is executed in the assembly, is it a smalltalk object, can we send it messages (I thought not). Is the stack reified only when using thisContext? Is this correct? Stef test 1 self test2. Transcript show: 'Called test2'; cr test2 self test3 Transcript show: 'Called test3' ;cr test3 thisContext sender: thisContext sender sender

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