February 2015 - Pharo-dev - lists.pharo.org

[pharo-project/pharo-core] c8ce6d: 40480
by GitHub Feb. 7, 2015

Feb. 7, 2015

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: c8ce6dadac22e0dc8c0280e697c63c70c8161749 https://github.com/pharo-project/pharo-core/commit/c8ce6dadac22e0dc8c0280e6… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2015-02-07 (Sat, 07 Feb 2015) Changed paths: A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script480.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40480.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st A Slot.package/Slot.class/instance/class building/installingIn_.st A Slot.package/Slot.class/instance/class building/removingFrom_.st R Slot.package/Slot.class/instance/meta-object-protocol/installingIn_.st R Slot.package/Slot.class/instance/meta-object-protocol/removingFrom_.st A Slot.package/Slot.class/instance/meta-object-protocol/wantsInitalization.st A Slot.package/Slot.class/instance/private/addSlotInitToInitialize_.st A Slot.package/Slot.class/instance/private/ensureInitalizeMethodExists_.st A Slot.package/Slot.class/instance/private/ensureSlotIniatializationFor_.st A Traits.package/TBehavior.class/instance/initialization/initializeSlots_.st Log Message: ----------- 40480 14882 Slots: add mechanism for initializing slots https://pharo.fogbugz.com/f/cases/14882 http://files.pharo.org/image/40/40480.zip

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[pharo-project/pharo-core]
by GitHub Feb. 7, 2015

Feb. 7, 2015

Branch: refs/tags/40480 Home: https://github.com/pharo-project/pharo-core

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CFP - IWST 2015
by jannik laval Feb. 6, 2015

Feb. 6, 2015

[Please accept our apologies if you receive multiple copies of this call] [Please send to interested colleagues / mailing-lists] ************************************************************************************************************ CALL FOR PAPERS IWST15 â International Workshop on Smalltalk Technologies Brescia, Italy; July 15, 2015 http://www.esug.org/wiki/pier/Conferences/2015/International-Workshop-IWST_… ************************************************************************************************************ ------------------- Goals and scopes ------------------- The goals of the workshop is to create a forum around advances or experience in Smalltalk and to trigger discussions and exchanges of ideas. The topics of your paper can be on all aspect of Smalltalk, theoretical as well as practical. Participants are invited to submit research articles or industrial papers. This year we want to open two different tracks: one research track and one industrial track with less scientific constraints. We expect papers of three kinds: Short position papers describing emerging ideas Long research papers with deeper description of experiments and of research results. Industrial papers with presentation of real and innovative Smalltalk applications; this kind of paper should enlighten why Smalltalk is really appropriate for your application. We will not enforce any length restriction. -------------------- Important Dates -------------------- Submission deadline: April 10th, 2015 Notification deadline: May 20th, 2015 Workshop : July 15th, 2015 All accepted papers will be published in ACM DL (To be confirmed) ------------------- Topics ------------------- We welcome contributions on all aspects, theoretical as well as practical, of Smalltalk related topics such as: -Aspect-oriented programming, -Design patterns, -Experience reports, -Frameworks, -Implementation, new dialects or languages implemented in Smalltalk, -Interaction with other languages, -Meta-programming and Meta-modeling, -Tools ------------------- Best Paper Award ------------------- To encourage the submission of high-quality papers, the IWST organizing committee is very proud to announce a Best Paper Award for this edition of IWST. We thank the Lam Research Corporation for its financial contribution which makes it possible for prizes for the three best papers: 1000 USD for first place, 600 USD for second place and 400 USD for third place. The ranking will be decided by the program committee during the review process. The awards will be given during the ESUG conference social event. The Best Paper Award will take place only with a minimum of six submissions. Notice also that to be illegible, a paper must be presented at the workshop by one of the author and that the presenting author must be registered at the ESUG conference. ------------------- Publication ------------------- Both submissions and final papers must be prepared using the ACM SIGPLAN 10 point format. Templates for Word and LaTeX are available at http://www.acm.org/sigs/sigplan/authorInformation.htm. This site also contains links to useful informations on how to write effective submissions. ------------------- Submission ------------------- All submissions must be sent via easychair: https://easychair.org/conferences/?conf=iwst2015 ------------------- Program chairs ------------------- Anne Etien (UniversitÃ© de Lille 1, France) Jannik Laval (Ecole des Mines de Douai, France) -- ~~Jannik Laval~~ Ãcole des Mines de Douai Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info http://car.mines-douai.fr/

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CFP - IWST 2015
by jannik laval Feb. 6, 2015

Feb. 6, 2015

[Please accept our apologies if you receive multiple copies of this call] [Please send to interested colleagues / mailing-lists] ************************************************************************************************************ CALL FOR PAPERS IWST15 â International Workshop on Smalltalk Technologies Brescia, Italy; July 15, 2015 http://www.esug.org/wiki/pier/Conferences/2015/International-Workshop-IWST_… ************************************************************************************************************ ------------------- Goals and scopes ------------------- The goals of the workshop is to create a forum around advances or experience in Smalltalk and to trigger discussions and exchanges of ideas. The topics of your paper can be on all aspect of Smalltalk, theoretical as well as practical. Participants are invited to submit research articles or industrial papers. This year we want to open two different tracks: one research track and one industrial track with less scientific constraints. We expect papers of three kinds: Short position papers describing emerging ideas Long research papers with deeper description of experiments and of research results. Industrial papers with presentation of real and innovative Smalltalk applications; this kind of paper should enlighten why Smalltalk is really appropriate for your application. We will not enforce any length restriction. -------------------- Important Dates -------------------- Submission deadline: April 10th, 2015 Notification deadline: May 20th, 2015 Workshop : July 15th, 2015 All accepted papers will be published in ACM DL (To be confirmed) ------------------- Topics ------------------- We welcome contributions on all aspects, theoretical as well as practical, of Smalltalk related topics such as: -Aspect-oriented programming, -Design patterns, -Experience reports, -Frameworks, -Implementation, new dialects or languages implemented in Smalltalk, -Interaction with other languages, -Meta-programming and Meta-modeling, -Tools ------------------- Best Paper Award ------------------- To encourage the submission of high-quality papers, the IWST organizing committee is very proud to announce a Best Paper Award for this edition of IWST. We thank the Lam Research Corporation for its financial contribution which makes it possible for prizes for the three best papers: 1000 USD for first place, 600 USD for second place and 400 USD for third place. The ranking will be decided by the program committee during the review process. The awards will be given during the ESUG conference social event. The Best Paper Award will take place only with a minimum of six submissions. Notice also that to be illegible, a paper must be presented at the workshop by one of the author and that the presenting author must be registered at the ESUG conference. ------------------- Publication ------------------- Both submissions and final papers must be prepared using the ACM SIGPLAN 10 point format. Templates for Word and LaTeX are available at http://www.acm.org/sigs/sigplan/authorInformation.htm. This site also contains links to useful informations on how to write effective submissions. ------------------- Submission ------------------- All submissions must be sent via easychair: https://easychair.org/conferences/?conf=iwst2015 ------------------- Program chairs ------------------- Anne Etien (UniversitÃ© de Lille 1, France) Jannik Laval (Ecole des Mines de Douai, France) -- ~~Jannik Laval~~ Ãcole des Mines de Douai Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info http://car.mines-douai.fr/

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SmallInteger asByteArray for negative numbers
by Alejandro Infante Feb. 6, 2015

Feb. 6, 2015

Hello, I have just found that calling asByteArray for any negative small integer returns the same result that the positive small integer. Is it supposed to be like that or is it a bug? 1 asByteArray = -1 asByteArray. "true" (1 to: 100000) allSatisfy: [ :int | int asByteArray = int negated asByteArray ] âtrue" Cheers, Alejandro

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Switching to Pharo from Visualworks
by Stephen Travis Pope Feb. 6, 2015

Feb. 6, 2015

Hello PharoDev, I have a largish project (Siren) that I have developed in ST80/VisualWorks (since 1984) and ported to Squeak in the past. I'm allows looking for a cleaner free ST80 implementation to host the project. Looking at Pharo, it appears to me to be suffering the same bloat issues as Squeak. I have a few questions: Why don't you all use a 6-paned browser (called the package browser in Squeak) and control the introduction of top-level meta-categories? The top-level (packages or meta-catgories) should be a list of 20 or fewer topics such as Magnitudes, Collections, Graphics, Text, Compiler, Tools, etc. and each of these should have 20 or fewer categories within it. I ported the package browser to Squeak and reorganized their system once, but people continued to add top-level categories to make finding their code easier. I tried to add the facility to the Pharo browser a year or so ago, and gave up because I couldn't figure how out how to subclass and refine the existing browser framework (and the fact that it seems to be under construction). Why do you still use the (terrible, IMHO) Squeak graphics and UI packages (Morphic, Balloon, etc)? It appears that new mostly-redundant systems are still being added to replace these, right? Can't someone reimplement the VisualWorks "Wrapper" UI framework (or something like it) on top of OpenGL contexts as in VW? It's help up pretty well after over 25 years. (David Leibs and I toasted it just last December in Australia.) How does a newbie learn what all the new packages are for? Glamour, Ring, AsmJit, Zinc, etc. are neat names, but if they're not part of higher-level packages it makes navigating the system (and even figuring out what they're for) pretty difficult. Are there any benchmarks of the current VMs compared to VisualWorks? The last time I used Squeak (a few years ago) it was still pretty slow. I have a real-time event scheduler in Siren that I use to schedule MIDI, so I can run "drum roll" tests to see how the VM performs. How does Pharo handle user primitives or foreign function calls? Is anyone maintaining the old SWIG implementation of Smalltalk? I used it quite a bit to have Smalltalk code create and manage C++ signal processing graphs in the past. SWIG is still going strong, and it's embarrassing that there's no mention at all of Smalltalk on the SWIG pages. I'm not trying to start a fight, and I really did like the initial Pharo mission statement of making a tighter, cleaner open-source ST80 implementation. Is that dream still what motivates the community? If yes, where are the minimalists hiding? Stephen Pope HeavenEverywhere Media and FASTLabInc.com Santa Barbara, CA USA -- Stephen Travis Pope Santa Barbara, California, USA http://HeavenEverywhere.com <http://heaveneverywhere.com/>

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[pharo-project/pharo-core] ccc6b1: 40479
by GitHub Feb. 6, 2015

Feb. 6, 2015

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: ccc6b1a77fe84d7d9b93d031c81095ae0fb5f28a https://github.com/pharo-project/pharo-core/commit/ccc6b1a77fe84d7d9b93d031… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2015-02-06 (Fri, 06 Feb 2015) Changed paths: A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script479.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40479.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st A Slot.package/ClassModification.class/instance/accessing/additions.st A Slot.package/ClassModification.class/instance/accessing/removals.st A Slot.package/Slot.class/instance/meta-object-protocol/installingIn_.st A Slot.package/Slot.class/instance/meta-object-protocol/removingFrom_.st M Slot.package/Slot.class/instance/queries/definingClass.st M Slot.package/SlotClassBuilder.class/instance/initialize-release/build.st Log Message: ----------- 40479 14877 InstanceVariableSlot>>#definingClass does not work for vars from the class side https://pharo.fogbugz.com/f/cases/14877 14876 Add call back in ClassBuilder to call slots when building a class https://pharo.fogbugz.com/f/cases/14876 http://files.pharo.org/image/40/40479.zip

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[pharo-project/pharo-core]
by GitHub Feb. 6, 2015

Feb. 6, 2015

Branch: refs/tags/40479 Home: https://github.com/pharo-project/pharo-core

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spotter preview
by Tudor Girba Feb. 6, 2015

Feb. 6, 2015

Hi, The Glamorous Team is happy to present a new feature in Spotter: preview (you toggle it with Cmd+p). We think this boosts the usefulness of the Spotter interface significantly. [image: Inline image 1] For more details, please take a look at: http://www.humane-assessment.com/blog/boosting-gtspotter-with-preview This is available in the Moose image, and it will soon be integrated in the Pharo one. Please let us know what you think. Cheers, Doru -- www.tudorgirba.com "Every thing has its own flow"

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Re: [Pharo-dev] review request
by Ben Coman Feb. 5, 2015

Feb. 5, 2015

I know everyone is busy and working in their own domains not having the time to review a lot of other people's issues. However I am on my own, not part of a team where I can walk over and tap someone on the shoulder to ask for review of an issue I've resolved. It is a bit discouraging not to be able to proceed for lack of review. I'd be glad for any feedback including "its crap, do it a different way". So consider this a virtual should tap. I have... * refactored the two calls to #forMilliseconds: out to a single call * replaced call to #wait with #waitOr: * added #waitOr: Here is the diff... WorldState >> interCyclePause: milliSecs | currentTime wait | self serverMode ifFalse: [ (lastCycleTime notNil and: [CanSurrenderToOS ~~ false]) ifTrue: [ currentTime := Time millisecondClockValue. wait := lastCycleTime + milliSecs - currentTime. + "wait is the time remaining until milliSecs has passed + since lastCycle. If wait is zero or less, no need to Delay" + "If wait is greater than milliSeconds then bypass Delay, + by setting wait to zero." - (wait > 0 and: [ wait <= milliSecs ] ) ifTrue: [ - (Delay forMilliseconds: wait) wait ] ] ] + wait > milliSecs ifTrue: [ wait := 0 ] ] ] "btw, wait>milliSecs can only occur when clock rolls over. Eliminate after integrating issue 14353 ?" - ifTrue: [ (Delay forMilliseconds: 50) wait ]. + ifTrue: [ wait := 50 ]. + wait > 0 ifTrue: [ + (Delay forMilliseconds: wait) waitOr: [ + self inform: 'WorldState>>interCyclePause failed.' ] ]. lastCycleTime := Time millisecondClockValue. CanSurrenderToOS := true. "--------------------------" +Delay >> waitOr: anErrorBlock + self schedule. + [ beingWaitedOn + ifTrue: [ delaySemaphore wait ] + ifFalse:[ anErrorBlock value ] + ] ifCurtailed:[self unschedule]. +"Only the high priority timer event loop (TEL) signals /delaySempahore/. If the + TEL is not running, a delay will block forever (for example the UI will lock up). + /beingWaitedOn/ is only set to true from the TEL (via + DelayScheduler>>scheduleDelay: and Delay>>timingPriorityWaitedOn:) so test + this to determine if TEL is running. Avoid waiting when the TEL is not running." "--------------------------" This is for issue 14669 "Delay refactoring (part 2a) - avoid UI locking up when timer event loop is stopped" that is required to facilitate integration of issue 14353 "Delay refactoring (part 2) - change from milliseconds to microseconds. cheers -ben https://pharo.fogbugz.com/default.asp?14669 https://pharo.fogbugz.com/default.asp?14353

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