Self-interest July 2000

self-interest@lists.selflanguage.org

7 participants
4 discussions

Blocks: Summary
by Dru Nelson 12 Jan '01

12 Jan '01

Thanks Jecel for the great Summary. The trick I was looking for was the read barrier when using blocks. Whenever they are about to be used as an argument for a message send, the 'push' instruction will bind a newly cloned block proto to the current method context (activation record). I was looking for something less expensive :) Dru Nelson San Mateo, California

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doc on self vm
by Jecel Assumpcao Jr 31 Jul '00

31 Jul '00

Following the advice Reinald Silveira gave me earlier this year, I have downloaded the Doxygen program which can read the sources for an applications and generate some documentation for it in several formats. You can see the html results here: http://www.merlintec.com/selfvmdoc/ Since my link is very slow, you can probably get better results by downloading Doxygen yourself (there is a link on this page) and running it on the sources to get a local copy of this. I hope this can help people to understand how the virtual machine works a little better. Is anybody still thinking about porting Self 4.1.2 to the PC? After thinking very hard about this I decided that it would be better for me to continue with my self-in-self effort instead. BTW, I will be giving a 12 hour course on Self to students of the Federal University of São Carlos. It will be an official extension course with certificates and all. Luckily they have an aging Sparc or two (mostly black and white X terminals which Self doesn't like, though), but it is a shame we can't use their abundant PCs. -- Jecel

5 7

enumerator morphs
by Jecel Assumpcao Jr 17 Jul '00

17 Jul '00

As I promised a long time ago, today I took a quick look at why enumerator morphs don't work in Self 4.1.2 like they did in 4.0. Specifically, the enumerator morphs now start working as soon as they are created and don't give you a chance to change such options as "well known only" or the name to match in "find slots". In 'traits mirrorEnumerationMorph' there is now a new 'copyMirror:Event' method that Self 4.0 didn't have. Looking at this methods we would expect the morphs to come up already working since it sends 'expand:' to the new morph. As a quick test I replaced 'copyMirror:Event:' in the 'references:' method in 'traits objectOutliner' with just 'copyMirror:' and the "references" yellow menu option went back to working as it did in Self 4.0. Since I don't know why these changes were made, I don't yet have a fix for this problem. Both the Mac and Sparc versions act the same way and it makes Self 4.1.2 much harder to use for serious software development. Speaking of the Mac, I had reported a font problem on my mom's iMac. Well, there is a certain web page that works in Netscape/Linux, Internet Explorer/Windows and other Macs with Internet Explorer but the menus break down on that machine - the fonts seem to be shown taller than the JavaScript thinks they are. So it seems to be a font metrics problem on that computer rather than a Self problem. -- Jecel

1 0

Linux port progress?
by Shae Erisson 13 Jul '00

13 Jul '00

I read the archive and came across progress reports for a Linux port from January, has there been any further progress on this? -- sHae mAtijs eRisson (sHae(a)wEbwitchEs.coM) gEnius fOr hIre bRing mE fIve sQuirrels aNd nO oNe wIll gEt hUrt 13:00pm up 1 season, 1 squirrel, load average: 1+1j 0.5+2j 0.2+0.5j

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Self-interest July 2000