Squeak-dev December 2022

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95 discussions

(: Call for Papers :) Programming Experience Workshop PX/23 (hybrid/online)
by Marcel Taeumel 11 Jan '23

11 Jan '23

===== PX/23 Call for Papers ===== Submissions possible until Mon 16 Jan 2023 :) Welcome to the 9th Edition of the Programming Experience Workshop https://2023.programming-conference.org/home/px-2023 Co-located with <Programming> 2023 in Tokyo https://2023.programming-conference.org/ ## Abstract Some programming feels fun, other programming feels annoying. Why? For a while now the study of programming has forced improvements to be described through the Fordist lens of usability and productivity, where the thing that matters is how much software can get built, how quickly. But along the way, something has gone missing. What makes programmers feel the way they do when they’re programming? It’s not usually fun to spend an age doing something that could have been done easily, so efficiency and usability still matter, but they’re not the end of the story. Some environments, activities, contexts, languages, infrastructures make programming feel alive, others feel like working in a bureaucracy. This is not purely technologically determined, writing Lisp to do your taxes probably still isn’t fun, but it’s also not technologically neutral, writing XML to produce performance art is still likely to be <bureaucratic></bureaucratic>. Whilst we can probably mostly agree about what isn’t fun, what is remains more personal and without a space within the academy to describe it. In its past editions, PX set its focus on questions like: Do programmers create text that is transformed into running behavior (the old way), or do they operate on behavior directly (“liveness”); are they exploring the live domain to understand the true nature of the requirements; are they like authors creating new worlds; does visualization matter; is the experience immediate, immersive, vivid and continuous; do fluency, literacy, and learning matter; do they build tools, meta-tools; are they creating languages to express new concepts quickly and easily; and curiously, is joy relevant to the experience? In this 9th edition of PX, we will expand its focus to also cover the experience that programmers have. What makes it and what breaks it? For whom? What can we build to share the joy of programming with others? Here is a list of topic areas to get you thinking: - creating programs - experience of programming - exploratory programming - liveness - non-standard tools - visual, auditory, tactile, and other non-textual languages - text and more than text - program understanding - domain-specific languages - psychology of programming - error tolerance - user studies - theories about all that Correctness, performance, standard tools, foundations, and text-as-program are important traditional research areas, but the experience of programming and how to improve and evolve it are the focus of this workshop. We also welcome a wide spectrum of contributions on programming experience. ## Submissions Submissions are solicited for Programming Experience 2023 (PX/23). The thrust of the workshop is to explore the human experience of programming—what it feels like to program, or what it should feel like. The technical topics include exploratory programming, live programming, authoring, representation of active content, visualization, navigation, modularity mechanisms, immediacy, literacy, fluency, learning, tool building, language engineering, and theory building. Submissions by academics, professional programmers, and non-professional programmer are welcome. Submissions can be in any form and format, including but not limited to papers, presentations, demos, videos, panels, debates, essays, writers’ workshops, and art. Presentation slots are expected to be between 20 minutes and one hour (if time allows), depending on quality, form, and relevance to the workshop. Submissions of academic papers directed toward publication should be so marked, and the program committee will engage in peer review for all such papers. All artifacts are to be submitted via EasyChair [2]. Papers and essays must be written in English, provided as PDF documents, and strictly adhere to the ACM Format [3]. [...] ## Review Submissions of academic papers directed toward publication will undergo standard peer review; other submissions will be reviewed for relevance and quality; shepherding will be available. ## Publication Academic papers and essays accepted for publication will be published as part of ACM's Digital Library; video publication on Vimeo or other streaming site; other publication on the PX workshop website. ## Upcoming Deadlines (AoE) Submissions: Mon 16 Jan 2023 Notifications: Mon 6 Feb 2023 Pre-workshop versions: Mon 20 Feb 2023 Workshop (hybrid/online): Mon 13 or Tue 14 Mar 2023 Final versions: Mon 3 Apr 2023 ## More Information [1] https://2023.programming-conference.org/home/px-2023 [2] https://easychair.org/conferences/?conf=px23 [3] http://www.acm.org/publications/proceedings-template

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Transcript not working in Morphic projects ?
by karl ramberg 10 Jan '23

10 Jan '23

I have an issue with Morphic projects and Transcript. This is in latest Trunk image. Transcript works in HomeProject Transcript does not work in Unnamed1 ( This is a Morphic Project, it will show same transcript stream as HomeProject) Transcript work in Unnamed2 ( This is a MVC project) [image: bild.png] Best, Karl

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A lot of shadowed variable names in Squeak 6.0 needing clearing up
by tim Rowledge 01 Jan '23

01 Jan '23

Amongst other aspects of trying out inboarding the sources (like a number of underscore assignments and block arguments being assigned to), the recompile threw up a long list (about 75!) of shadowed variable names. Right now when a variable name is shadowed we only get a line appearing in the Transcript, which is alarmingly easy to miss. Given how many other alerts we get popping up for undeclared or unused variables, maybe we need to add one more for shadowing. I'm slowly working down the following list, though one or two methods might well need more careful thought and consultation with the original author. MenuMorph>>invokeModalAt:in:allowKeyboard: (originalFocusHolder is shadowed) MenuMorph>>invokeAt:in:allowKeyboard: (originalFocusHolder is shadowed) SketchEditorMorph>>initializeFor:inBounds:pasteUpMorph: (palette is shadowed) BookMorph>>insertPageColored: (borderWidth is shadowed) ObjectsTool>>highlightOnlySubmorph:in: (color is shadowed) MCMethodDefinition>>printAnnotations:on: (timeStamp is shadowed) PluggableListMorph>>getFilteredList (fullList is shadowed) Parser>>collectTemporaryDeclarationsFrom: (mark is shadowed) TextAnchorTest>>testResizeAnchoredMorph (anchoredMorph is shadowed) SpaceTally>>spaceForInstance:depth:seen: (depth is shadowed) BorderedMorph>>doFastWindowReframe: (owner is shadowed) SoundService class>>defaultOrNil (default is shadowed) MCClassDefinition>>createClass (traitComposition is shadowed) ClassInspector>>streamSharedPoolsOn: (object is shadowed) ClassInspector>>streamClassVariablesOn: (object is shadowed) Project class>>makeANewLocalGallery (name is shadowed) Project class>>cleanUpEtoysGarbage (name is shadowed) ProcessTest>>testResumeTerminatingProcess (semaphore is shadowed) ProcessTest>>testTerminateTerminatingProcess (semaphore is shadowed) Context>>directedSuperSend:numArgs: (receiver is shadowed) TestRunner>>findClassesForCategories: (environment is shadowed) VariableNode>>variableGetterBlockIn: (index is shadowed) ContextVariablesInspector>>streamTemporaryVariablesOn: (context is shadowed) ContextVariablesInspector>>fieldAllTempVars (object is shadowed) ContextInspector>>streamTemporaryVariablesOn: (context is shadowed) ContextInspector>>streamStackVariablesOn: (object is shadowed) TableLayoutTest>>testShrinkWrapIssue (container is shadowed) TableLayoutTest>>testScrollPaneBarUpdate (container is shadowed) BasicInspector>>fieldObjectClass (object is shadowed) BasicInspector>>fieldObjectSize (object is shadowed) BasicInspector>>streamIndexedVariablesOn: (object is shadowed) TTFontFileHandle>>printOn: (filename is shadowed) CompiledCodeInspector>>fieldHeader (object is shadowed) CompiledCodeInspector>>fieldByteCodes (object is shadowed) SqueakTheme class>>createDuller (name is shadowed) Inspector>>streamError:on: (object is shadowed) Inspector>>getContents (object is shadowed) Inspector>>streamIndexedVariablesOn: (object is shadowed) Inspector>>streamOn:truncate:collectFields: (object is shadowed) Inspector>>valuePane (object is shadowed) Inspector>>elementGetterAt: (object is shadowed) SHTextStylerST80>>createTextAttributesForPixelHeight: (font is shadowed) IndentingListItemMorph>>charactersOccluded (icon is shadowed) FileList2 class>>endingSpecs (category is shadowed) VersionsBrowser>>fileOutSelection (file is shadowed) InspectorField class>>generateExpressionFrom:argumentNames: (name is shadowed) FtpUrl>>retrieveContents (password is shadowed) ClassBasedHelpTopic>>updateSubtopics (priority is shadowed) LazyListMorph>>drawOn: (color is shadowed) PluggableTreeMorph>>setSelectedPath: (setSelectedPathSelector is shadowed) StringTest>>testFindLiteral (string is shadowed) StringTest>>testFindSelector (string is shadowed) StringTest>>testFindSymbol (string is shadowed) SqueakMessageCategoriesHelp class>>addAllCategoriesTopicTo: (category is shadowed) Ascii85ConverterTest>>testEncodeDecode (encoded is shadowed) MVCMenuMorph>>invokeAt:in:allowKeyboard: (originalFocusHolder is shadowed) HtmlEntityInspector>>fieldHtml (object is shadowed) ReleaseBuilder class>>clearCaches (environment is shadowed) ReleaseBuilder class>>cleanUpBitstreamVeraSans (name is shadowed) ReleaseBuilder class>>checkForNilCategories (category is shadowed) RxMatcher>>copy:replacingMatchesWith: (stream is shadowed) Random>>next:into: (index is shadowed) Random>>nextBytes:into:startingAt: (index is shadowed) Random>>hashSeed: (index is shadowed) PluggableMultiColumnListMorph>>selectionIndex: (listMorph is shadowed) PluggableMultiColumnListMorph>>hoverRow: (listMorph is shadowed) PluggableMultiColumnListMorph>>textColor: (listMorph is shadowed) PluggableMultiColumnListMorph>>getFilteredList (fullList is shadowed) PluggableMultiColumnListMorph>>rowAtLocation: (listMorph is shadowed) PluggableMultiColumnListMorph>>updateColumns (listMorph is shadowed) PluggableMultiColumnListMorph>>rowAboutToBecomeSelected: (listMorph is shadowed) DockingBarMenuMorph>>popUpAdjacentTo:forHand:from: (owner is shadowed) SystemWindow>>paneColorToUseWhenNotActive (color is shadowed) CommunityTheme class>>createDark (name is shadowed) tim -- tim Rowledge; tim(a)rowledge.org; http://www.rowledge.org/tim "How many Kzin does it take to change a lightbulb?” "None. You can scream and leap in the dark."

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Siren9-on-Squeak
by Stephen Travis Pope 31 Dec '22

31 Dec '22

Hello Squeakers! I got the Siren GUI framework (mostly) running on Squeak6, and both the MIDI primitives and OpenSoundControl socket protocol are running, so one can write trios for built-in sound synthesis, MIDI HW/SW and OSC synthesis servers (e.g., CSL or SuperCollider instruments). The screen shot below shows the GUI on Squeak 6; in the upper-left is the Siren control panel; below that is music notation example showing a scale (to test that the automatic layout works). At the bottom left is another music notation example based on a Siren event generator (a 4-voice stochastic cloud that focusses on a smaller interval while getting quieter). The window in the upper-right is a display list view example/benchmark showing a huge display list: 20,000 @ 4000 pixels (note the size of the scroll bars) with 13,200 display items (random strings in different fonts, rectangles, lines, poly-lines and glyphs); it scrolls pretty snappily... I’ll update the GitHub repo (https://github.com/stpope/Siren9C) with a pre-built image for those who want to play with it. The MIDI prims are compiled for Mac/M1only - can someone help out and compile them for other platforms? My Linux and Windows virtual machines are pretty stale... For more info, see: https://github.com/stpope/Siren9C http://FASTLabInc.com/Siren http://fastlabinc.com/Siren/Workbook/ https://vimeo.com/120751122 https://vimeo.com/421319630 http://FASTLabInc.com/Siren/Doc/SirenBookChapter.pdf SirenBookChapter PDF Document · 2.8 MB stp -------- Stephen Travis Pope Ojai, California, USA http://HeavenEverywhere.com http://FASTLabInc.com https://vimeo.com/user19434036/videos http://heaveneverywhere.com/Reflections

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squeak 4.20.3 update on OpenIndiana and Solaris
by stes＠PANDORA.BE 31 Dec '22

31 Dec '22

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hello, Updated VMs are available for OpenIndiana and Oracle Solaris 11.3/11.4. The Squeak VM on OpenIndiana was updated to version 4.20.3. This can open V3 images in Smalltalk 6505 image format. The OpenSmalltalk cog-spur VM is now at version "5.0.3280". There is also a stack-spur VM for OpenIndiana, also upgraded to "5.0.3280". These VM's can open 32bit and 64bit images in so-called 7033 and 68533 format. See docs and screenshots of Squeak and Cuis on "OpenIndiana" at: http://docs.openindiana.org/handbook/community/squeak/index.html The binaries for those VM's are now in the OpenIndiana repository, and can be installed on the OS using: pkg update -f # full update of OpenIndiana pkg install squeak # install of Squeak Once installed, use the 'inisqueak' command. I've also tested the squeak VM with http://files.squeak.org/various_images/SqueakV3Images/ and this image opens in the squeak classical VM on Intel/AMD. The Cuis VectorEnginePlugin is also in the package but must be installed, as pkg install squeak-vep Regards, David Stes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJjsGCcAAoJEPm226LXUB1ott4H/3yvx56684qYqmhgRu/N0H+p mfX0jY6/36/hgoYXfuE1FahiukORAMakNGY4kgYrLNYCRXQ/RS79ezpdICEGoj8l H8xIb+mpDHfa3Xim13ILw2CE4hJ5jD2KOjqCosZzbphNK/WK8FBqGIp0IOorkJ4s lZ0b+FGf1WwoMY+xKx3ynm4xRC+s2i0mMRbkdcjf+zyiKviwQrxGF1+UtUbK8K7d iAaIud6IFJwqhUu5W8TltJHy0g0D4iGs86G/sjbs9Deh4Kg7ZNgbg+u74R0G97Kh GH7pbaGrA69pKqECCR622Imgncbz5NDqYQFsWeEB2rEwH28wlSgui29neIcNMZw= =4C5H -----END PGP SIGNATURE-----

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Review Request: selectUnusedVariable.1.cs
by christoph.thiede＠student.hpi.uni-potsdam.de 30 Dec '22

30 Dec '22

=============== Summary =============== Change Set: selectUnusedVariable Date: 30 December 2022 Author: Christoph Thiede During interactive parsing, while asking the user about a unused temporary variable, select the variable declaration in question. This aligns the notification behavior with the notifications for ambiguous selectors, unknown selectors, undeclared variables, and undefined variables. =============== Diff =============== BlockLocalTemporariesRemovalTest>>selectIntervalInvisibly: {requesting} · ct 12/30/2022 20:57 + selectIntervalInvisibly: anInterval CompilerExceptionsTest>>testUnusedVariable {tests} · ct 12/30/2022 20:53 (changed) testUnusedVariable self compiling: 'griffle | goo | ^nil' shouldRaise: UnusedVariable - andSelect: [self text] + andSelect: 'goo' testing: { [:ex | ex resume] -> [self assertCanceled]. false -> [self assertSucceeded]. true -> [self assertSucceeded: 'griffle\s*\^nil' asRegex] }. self compiling: [self compileNoPattern: '| goo|^ nil' "note there is no space between the variable and the bar"] shouldRaise: UnusedVariable - andSelect: [self text] + andSelect: 'goo' testing: { true -> [self assertSucceeded: '\s*\^ nil' asRegex] }. + self + compiling: 'griffle | goo1 goo | ^ (goo1 := nil)' + shouldRaise: UnusedVariable + andSelect: [(text allRangesOfRegexMatches: 'goo(?!1)') first] + testing: { + [:ex | ex resume] -> [self assertCanceled]. + false -> [self assertSucceeded]. + true -> [self assertSucceeded: 'griffle \| goo1 \| \^ $goo1 \:= nil$' asRegex] }. self compiling: 'griffle ^[ | goo | ]' shouldRaise: UnusedVariable - andSelect: [self text] + andSelect: 'goo' testing: { [:ex | ex resume] -> [self assertCanceled]. false -> [self assertSucceeded]. true -> [self assertSucceeded: 'griffle \^\[\s*\]' asRegex] }. Parser>>removeUnusedTemps: {error correction} · ct 12/30/2022 20:54 (changed) removeUnusedTemps: methodNode "Scan for unused temp names, and prompt the user about the prospect of removing each one found" | madeChanges tempsMarkHolder unusedTempNames tempMarkHoldersToChange | madeChanges := false. tempMarkHoldersToChange := OrderedCollection new. tempsMarkHolder := self collectTemporaryDeclarationsFrom: methodNode. unusedTempNames := encoder unusedTempNames select: [ :temp | (encoder lookupVariable: temp ifAbsent: [ ]) isUndefTemp and: [ self queriedUnusedTemporaries at: temp ifAbsentPut: [ - (UnusedVariable name: temp) ifNil: [ ^ self fail ]] ]]. + | str declStart declStop | + str := cue requestor text asString. + declStop := (str indexOf: $|) - 1. + [declStart := str findString: temp startingAt: declStop + 2. + declStop := declStart + temp size - 1] + doWhileFalse: "don't select other declaration with same prefix" + [#(xDelimiter verticalBar) includes: + (self typeTableAt: (str at: declStop + 1))]. + self selectFrom: declStart to: declStop during: + [(UnusedVariable name: temp) ifNil: [ ^ self fail ]] ] ]]. tempsMarkHolder do: [ :currentBlock | tempMarkHoldersToChange add: currentBlock. unusedTempNames do: [ :temp | (self removeUnusedTemporaryNamed: temp from: cue requestor text asString lookingAt: currentBlock movingTempMarksOf: tempMarkHoldersToChange) ifTrue: [ madeChanges := true ]]]. madeChanges ifTrue: [ self removeEmptyTempDeclarationsFrom: methodNode. ReparseAfterSourceEditing signal ] Parser>>selectFrom:to:during: {error correction} · ct 12/30/2022 20:47 (changed) selectFrom: start to: stop during: aBlock "Temporarily focus user attention on a zone of error thru text section. Then restore original user selection. Note: the original selection is restored invisibly (not displayed). This will avoid flickering when chaining multiple corrections." - | userSelection | + | userSelection result | userSelection := cue requestor selectionInterval. cue requestor selectFrom: start to: stop. - aBlock value. - cue requestor selectIntervalInvisibly: userSelection + result := aBlock value. + cue requestor selectIntervalInvisibly: userSelection. + ^ result --- Sent from Squeak Inbox Talk ["selectUnusedVariable.1.cs"]

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Re: [squeak-dev] Constantly growing Image file
by Christopher Becker 29 Dec '22

29 Dec '22

Thanks for your suggestion! I am selecting random pointers to chase and getting this in almost all of the results: globals: Environment declarations: IdentityDictionary #ActiveWorld -> PasteUpMorph submorphs: Array 6: PluggableSystemWindow (3168378) submorphs: Array 3: PluggableTreeMorph (1993854) scroller: TransformMorph (3408406) submorphs: Array 3: IndentingListItemMorph (2996756) complexContents: PointerExplorerWrapper item: Association value: Array ... and the last entry in the list is an object that is a subclass of the HWEntity class, like: 22392: HWGround. Does this mean that my objects are being held onto by user interface objects? My UI elements are no longer being displayed so I don't know how this can be the case. Thanks again! Chris

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Traits assistance!
by rabbit 29 Dec '22

29 Dec '22

Hey all, I need to learn how to use Traits, their creation, attachment to a class or instance and use. I appreciate, greatly, any guidance. Kindly, rabbit -- ••• 𝙄𝙛 𝙮𝙤𝙪 𝙖𝙧𝙚 𝙙𝙧𝙞𝙫𝙞𝙣𝙜 𝙖 𝙋𝙤𝙧𝙨𝙘𝙝𝙚, 𝙩𝙝𝙖𝙣𝙠 𝙮𝙤𝙪 𝙛𝙤𝙧 𝙢𝙤𝙫𝙞𝙣𝙜 𝙤𝙫𝙚𝙧, 𝙨𝙤 𝙩𝙝𝙖𝙩 𝙄 𝙘𝙤𝙪𝙡𝙙 𝙨𝙖𝙛𝙚𝙡𝙮 𝙥𝙖𝙨𝙨! 𝘼𝙧𝙧𝙞𝙫𝙚𝙙𝙚𝙧𝙘𝙞, 𝙧𝙖𝙗𝙗𝙞𝙩 • 𝘿𝙖𝙩𝙨𝙪𝙣 𝟮𝟰𝟬𝙕 • 🐰

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A way to have categories from freshly loaded packages appear at top of Categories list?
by rabbit 29 Dec '22

29 Dec '22

Categories are for classes, right? What are groupings of methods called. I am confused. AS my title asks, I want new Categories at the top of the FullBrowser, darnit. It is a Royal PITB to reorganize! I am hopeful given all the other thoughtful nuances in Squeak! I believe I will make my March 24th deadline. It is criticial. Thanks!-- ••• 𝙄𝙛 𝙮𝙤𝙪 𝙖𝙧𝙚 𝙙𝙧𝙞𝙫𝙞𝙣𝙜 𝙖 𝙋𝙤𝙧𝙨𝙘𝙝𝙚, 𝙩𝙝𝙖𝙣𝙠 𝙮𝙤𝙪 𝙛𝙤𝙧 𝙢𝙤𝙫𝙞𝙣𝙜 𝙤𝙫𝙚𝙧, 𝙨𝙤 𝙩𝙝𝙖𝙩 𝙄 𝙘𝙤𝙪𝙡𝙙 𝙨𝙖𝙛𝙚𝙡𝙮 𝙥𝙖𝙨𝙨! 𝘼𝙧𝙧𝙞𝙫𝙚𝙙𝙚𝙧𝙘𝙞, 𝙧𝙖𝙗𝙗𝙞𝙩 • 𝘿𝙖𝙩𝙨𝙪𝙣 𝟮𝟰𝟬𝙕 • 🐰

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[AWESOME SAUCE] EParrotTalk #GREEN through ParrotTalk. 25 of 40 PromisesFar are #green with 15 #RED
by rabbit 29 Dec '22

29 Dec '22

Yay! I got EVERYTHING up to ParrotTalk working, #GREEN! I am passing. This leaves PromisesFar, where I'm passing 25 out of 40. I found working PromisesRemote from 2015, stuffed in my Java version on github. I forward ported it and renamed to PromisesFar, to the newest Cryptography from ESqueak.release.1 implementation (mainly ASN1 Iimplementation changes around Type registrations), along with much change and evolution of PromisesLocal and Introducing ELinda to use with PromisesLocal. I have expanded Vats and ELinda for both Vintage, sans ELinda, and ELinda with and without mutexes. This is not all tested. PromisesLocal continues to only work vintage, not with ELinda, but I forward ported this working code and here is where I am at! *••••••••• ELinda, PromisesLoca and ASN1 Type heirarchies •••••••••* Here are some exports of heirarchies *••• ELinda ••• * *••• PromisesLocal ••• * *••• ASN1Type ••• * ••••••••• 𝙄𝙛 𝙮𝙤𝙪 𝙖𝙧𝙚 𝙙𝙧𝙞𝙫𝙞𝙣𝙜 𝙖 𝙋𝙤𝙧𝙨𝙘𝙝𝙚, 𝙩𝙝𝙖𝙣𝙠 𝙮𝙤𝙪 𝙛𝙤𝙧 𝙢𝙤𝙫𝙞𝙣𝙜 𝙤𝙫𝙚𝙧, 𝙨𝙤 𝙩𝙝𝙖𝙩 𝙄 𝙘𝙤𝙪𝙡𝙙 𝙨𝙖𝙛𝙚𝙡𝙮 𝙥𝙖𝙨𝙨! 𝘼𝙧𝙧𝙞𝙫𝙚𝙙𝙚𝙧𝙘𝙞, 𝙧𝙖𝙗𝙗𝙞𝙩 • 𝘿𝙖𝙩𝙨𝙪𝙣 𝟮𝟰𝟬𝙕 • 🐰

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