Squeak-dev May 2007

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150 participants
233 discussions

multilingual A-macron howto ?
by nicolas cellier 04 May '07

04 May '07

Hello list, I wonder how a A-macron (Character value: 256) or a-macron (Character value: 257) would display in Squeak. I have no extended latin font loaded in the image, but it seems to me that those characters would be interpreted as EndOfRun or CrossedX when i read the code in (Multi)CharacterScanner>>scanMultiCharactersFrom:to:in:rightX:stopConditions:kern: (encoding = 0 and: [ascii < stopConditions size and: [(stopConditions at: ascii + 1) ~~ nil]]) ifTrue: [^ stops at: ascii + 1]. Am i wrong or is this a known problem? Nicolas

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SETools Report April 2007
by Hans N Beck 04 May '07

04 May '07

Hi all, The SETools Team is responsible for developing and maintaining software engineering tools in and for (but not only for) squeak. There is progress with Gjallar. Göran Krampe posted this in SETools Mailing List mid of April: ------------------------- Hi folks! Just wanted to mention a few bits about the latest progress of Gjallar. As you may know I now use Debian Etch as my preferred desktop and thus the Linux port of Gjallar is my primary platform. The upcoming 0.4 release will be for Linux and Win32 (and possibly MacOS if I can get help with it). Done recently: - "My View" now has an edit mode. I have elected to put a small orange icon with a wrench in it down in the bottom right corner of "My View". Clicking it changes into "edit mode" where you can manipulate the "case panels" of "My View" and add new ones. The idea with an "edit/config mode" and a small icon to enter it is something I intend to use elsewhere too. This icon can also be turned off as a setting of the user - so end users could have it disabled and only using a preconfigured "My View" and filters etc. - Bug fix so that My View free text filtering works over all panels in parallell. - Plenty of other small things I know can't remember. :) Coming up next: - A darcs repository of the Gjallar file tree. This will include all files and all ports for Gjallar, but the Squeak code is still of course maintained using Monticello. I have one almost set up and will soon publish it. - Edit mode for the filters. As anyone should have noticed when running Gjallar it only has two hard coded filters to choose from in "View cases". Those filters are indeed proper domain objects but the creation of them are just done once, hardcoded, in an initialize method of Q2User. What we have intended all along is of course to enable the user to create his/ her own filters and also have shared filters per Process that the process administrator can maintain. - The 0.4 release. I will probably do the above two things first, at least in rudimentary form, before releasing 0.4. - A live demo installation and a Gjallar for bugs in Gjallar. I almost have this in place but need to patch up a few things before making it public. regards, Göran ------------------ Regards, Hans See also http://www.gjallar.se for further details.

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Squeak.org under attack?
by Göran Krampe 04 May '07

04 May '07

Howdy folks! I noticed squeak.org is having issues. It almost seems to be under some attack on port 80 - dmsg reports ("Treason uncloaked!" yaddayadda) and apache2 seems to bog down as soon as I restart it. SqueakMap is for example available just fine directly at port 9091. Not sure what to do and I need to work. regards, Göran

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Squeak Booth, Pens, and OLPC at Smalltalk Solutions
by William Harford 04 May '07

04 May '07

Fellow Squeakers, As most of you know, due to the fantastic work of Chris Cunnington, Squeak was able to acquire a booth at Smalltalk Solutions this year. I was lucky enough to get the opportunity to volunteer to work the booth for the two days of the convention. We had a fabulous location and got a tremendous amount of traffic. The Smalltalk community, while small, is one of the most intelligent, kind, supportive, and fun communities I have ever been involved in. I would like to thank all Smalltalk Solution attendees for there kind words, Squeak cheerleading, and help with answering questions when the crowds got large. Bert Freudenberg was kind enough to lend us a OLPC laptop. This was the major draw of non-Smalltalkers to our booth. Many of the people knew nothing of Smalltalk but had heard of the OPLC project. The etoys demo was beautiful and if gave us a real opportunity to explain a little about Squeak, Smalltalk, and etoys. Tim Rowledge generously sent me 45 silver and 5 gold badges. We were able to sell 27 silver badges raising $324 Canadian for the Squeak Foundation. The badges are beautiful and if you have not yet had the opportunity to buy one I recommend that you do. If you are in the Toronto area come out to the "Beach Outings Club" http:// www.seasideparasol.com/club.html and I will have some on hand. I could not of dreamed how well it went. The booth was fantastic, the people were kind, and the interest in Squeak exceeded my expectations. Thanks for all the support, Will Harford

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Squeak Booth, Pens, and OLPC at Smalltalk Solutions
by William Harford 04 May '07

04 May '07

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Monticello and branching
by Norbert Hartl 04 May '07

04 May '07

Hi, today I wanted to branch my app. While saving a new version I just changed name from App-noha.number to AppBeta-noha.number thinking there is some magic in Monticello. To be honest I had no other idea. I think the Package should stay the same. But those files aren't treated special, right? If I try to figure out the newest version of my branch I have to parse all the file infos myself, right? Or did I misunderstand the way branching is done. thanks in advance, Norbert

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Objective-C bridge ?
by Damien Pollet 04 May '07

04 May '07

Hi, This page mentions a revision 70 of the ObjectiveCPlugin, but the links are dead, and the SqueakSource project has older revisions… any idea where I could find the latest sources/changesets/nibs to rebuild the plugin? http://www.approximity.com/cgi-bin/blogtariAgile/index.rb/Smalltalk/SqueakO… http://www.squeaksource.com/ObjectiveCBridge.html -- Damien Pollet type less, do more [ | ] http://typo.cdlm.fasmz.org

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How does the quick scroll work in OmniBrowser's columns?
by Damien Pollet 03 May '07

03 May '07

Hi, In OB you can hit a key with the mouse over a column and the selection will go to the 1st item whose name starts with the letter you typed. Quickly typing a few letters will jump to the 1st item with that prefix. I'd like to add that to the OB Universe Browser, but it doesn't seem to be a command in OB-Standard... how does it work ? PS. in OB this works in the columns for packages, protocols and methods, but not in the class column (it briefly blinks in black instead). -- Damien Pollet type less, do more [ | ] http://typo.cdlm.fasmz.org

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Real Slowdown of InputSensor between 3.8 and 3.9
by Stéphane Ducasse 03 May '07

03 May '07

Hi I was surprised by the slowdown of one of my little applications and I messageTalliedThem wtih exactly the same code on 3.8 and 3.9 Here are the results: MessageTally spyOn: [ | bdb | BDBase initialize. BDBase resetBaseNamed: #BD. bdb := BDBase new name: #BD. bdb importMostRecentXML.] On 38 Time millisecondsToRun: [ | bdb | BDBase initialize. BDBase resetBaseNamed: #BD. bdb := BDBase new name: #BD. bdb importMostRecentXML.] 1677 **Leaves** 3.2% {56ms} MultiByteFileStream>>next 3.2% {56ms} MultiByteFileStream>>doConversion 3.0% {52ms} UTF8TextConverter>>nextFromStream: 3.0% {52ms} SmallInteger(Number)>>negative 2.9% {51ms} MultiByteFileStream(StandardFileStream)>>basicNext 2.9% {51ms} SAXDriver(XMLTokenizer)>>next 2.9% {51ms} MultiByteFileStream>>converter 2.6% {45ms} ByteSymbol class(String class)>>stringHash:initialHash: 2.5% {44ms} MultiByteFileStream>>wantsLineEndConversion 2.1% {37ms} MultiByteFileStream(StandardFileStream)>>isBinary on 39 - 21243 tallies, 21304 msec. **Tree** 100.0% {21304ms} BDBase>>importMostRecentXML 99.8% {21261ms} BDBase>>importXMLFromFileName: 99.8% {21261ms} BDXMLImporter>>importFileNamed: 99.8% {21261ms} BDXMLImporter>>importStream: 96.5% {20558ms} BDXMLImporter>>importXMLDoc: |89.2% {19003ms} EventSensor(InputSensor)>>shiftPressed | |89.2% {19003ms} EventSensor>>primMouseButtons | | 89.2% {19003ms} EventSensor>>wait2ms | | 89.1% {18982ms} Delay>>wait | | 89.1% {18982ms} primitives |7.3% {1555ms} BDXMLImporter>>importBD: 3.3% {703ms} XMLDOMParser class>>parseDocumentFrom: 3.3% {703ms} XMLDOMParser class(SAXHandler class) >>parseDocumentFrom: 3.3% {703ms} XMLDOMParser(SAXHandler)>>parseDocument 3.3% {703ms} SAXDriver(XMLTokenizer)>>nextEntity 3.2% {682ms} SAXDriver(XMLTokenizer)>>nextNode 3.2% {682ms} SAXDriver(XMLTokenizer)>>nextTag 2.7% {575ms} SAXDriver(XMLTokenizer) >>nextAttributeInto:namespaces: **Leaves** 89.1% {18982ms} Delay>>wait **Memory** old +4,748,696 bytes young -3,868,600 bytes used +880,096 bytes free +2,512,576 bytes **GCs** full 1 totalling 83ms (0.0% uptime), avg 83.0ms incr 541 totalling 200ms (1.0% uptime), avg 0.0ms tenures 25 (avg 21 GCs/tenure) root table 0 overflows Time millisecondsToRun: [ | bdb | BDBase initialize. BDBase resetBaseNamed: #BD. bdb := BDBase new name: #BD. bdb importMostRecentXML.] 21182 So it seems that some logic were changed in the inputSensor. When I commented InputSensor default shiftPressed ifTrue: [self halt.]. in the import method importXMLDoc: aXMLDoc aXMLDoc elements first elements do: [:each | Transcript show: '.'. "InputSensor default shiftPressed ifTrue: [self halt.]." self importBD: each]. Now my benchmarck give me. Time millisecondsToRun: [ | bdb | BDBase initialize. BDBase resetBaseNamed: #BD. bdb := BDBase new name: #BD. bdb importMostRecentXML.] 1643 I thought that it is worth to share. Stef

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[ANN] Nile: a trait-based stream library
by Damien Cassou 03 May '07

03 May '07

Hi, I have just released a first version of the Nile Stream hierarchy. This is a complete reimplementation of the squeak stream hierarchy. It provides: - traits for code reuse. I'm currently implementing new clients to test the granularity ; there are currently two clients: Random and History. - lots of tests: same tests are used for the squeak stream hierarchy and Nile (they are implemented in traits). 292 run, 2 expected failures for the squeak stream hierarchy. If you don't have this results, please tell me. - a diagram of the implementation: http://damien.cassou.free.fr/documents/internship_2007/nile/complete_hierar… You can load Nile using: MCHttpRepository location: 'http://www.squeaksource.com/Nile' user: '' password: '' Load Nile-Tests to get Nile and all associated tests. You can also load Nile-All to have only Nile without the tests. If loading Nile-Tests asks you about loading an older dependency of Tests, you *must* agree. This is because it seems there is a problem with this package in last Squeak 3.10 alpha versions. Do you have some clients which will be worth implementing with the traits Nile provides? Please tell me. -- Damien Cassou

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