Squeak-dev December 2017

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SystemWindow #knownName violates principle of least astonishment
by John-Reed Maffeo 14 Dec '17

14 Dec '17

SystemWindow knownName ^label ___________ Morphic knownName "answer a name by which the receiver is known, or nil if none" ^ extension ifNotNil: [extension externalName] _____________ I modified and tested the attached. -jrm

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The Trunk: Kernel-eem.1130.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1130.mcz ==================== Summary ==================== Name: Kernel-eem.1130 Author: eem Time: 14 December 2017, 11:33:46.313584 am UUID: 8ed1c707-145c-4418-b5bc-4aa509bf6030 Ancestors: Kernel-eem.1129 Have Pragmas print trhe compiled methods they're in (in comments). =============== Diff against Kernel-eem.1129 =============== Item was changed: ----- Method: Pragma>>printOn: (in category 'printing') ----- printOn: aStream + aStream + nextPut: $<; + print: self message; + nextPutAll: ' "in '. + method printReferenceOn: aStream. + aStream nextPutAll: '">'! - aStream nextPut: $<. - self keyword precedence = 1 - ifTrue: [ aStream nextPutAll: self keyword ] - ifFalse: [ - self keyword keywords with: self arguments do: [ :key :arg | - aStream nextPutAll: key; space; print: arg; space ]. - aStream skip: -1 ]. - aStream nextPut: $>.!

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The Trunk: Kernel-eem.1129.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Eliot Miranda uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-eem.1129.mcz ==================== Summary ==================== Name: Kernel-eem.1129 Author: eem Time: 14 December 2017, 11:30:57.320228 am UUID: 862344e3-6b40-4a13-b66d-cae9fd8733e8 Ancestors: Kernel-nice.1128 storeDataOn: can use initialPC to be 64-bit and 32-bit compatible. Necessary for saving projects. =============== Diff against Kernel-nice.1128 =============== Item was changed: ----- Method: CompiledCode>>storeDataOn: (in category 'file in/out') ----- storeDataOn: aDataStream "Store myself on a DataStream. I am a mixture of objects and raw data bytes. Only use this for blocks. Normal methodDictionaries should not be put out using ReferenceStreams. Their fileOut should be attached to the beginning of the file." | byteLength lits | "No inst vars of the normal type" byteLength := self basicSize. aDataStream beginInstance: self class size: byteLength. lits := self numLiterals + 1. "counting header" 1 to: lits do: [:ii | aDataStream nextPut: (self objectAt: ii)]. + self initialPC to: byteLength do: - lits*4+1 to: byteLength do: [:ii | aDataStream byteStream nextPut: (self basicAt: ii)]. "write bytes straight through to the file"!

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The Trunk: System-eem.983.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Eliot Miranda uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-eem.983.mcz ==================== Summary ==================== Name: System-eem.983 Author: eem Time: 14 December 2017, 11:01:48.647576 am UUID: 777c9ae4-a26b-4cde-b9d7-72873a249042 Ancestors: System-eem.982 Fix an MNU when there are no project detauls during saving. At least that's the case in my image. =============== Diff against System-eem.982 =============== Item was changed: ----- Method: Project>>storeOnServer (in category 'file in/out') ----- storeOnServer "Save to disk as an Export Segment. Then put that file on the server I came from, as a new version. Version is literal piece of file name. Mime encoded and http encoded." world setProperty: #optimumExtentFromAuthor toValue: world extent. self validateProjectNameIfOK: [:details | + details ifNotNil: [self acceptProjectDetails: details]. - self acceptProjectDetails: details. self isCurrentProject ifTrue: ["exit, then do the command" ^ self armsLengthCommand: #storeOnServerAssumingNameValid withDescription: 'Publishing' translated ]. self storeOnServerWithProgressInfo. ].!

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The Trunk: Tools-eem.778.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.778.mcz ==================== Summary ==================== Name: Tools-eem.778 Author: eem Time: 14 December 2017, 10:57:02.931453 am UUID: 264951e6-2942-46c1-a692-e2f6d2007199 Ancestors: Tools-tpr.777 Avoid an MNU in the debugger when no context is selected and one tries to do a doit in the bottom-right-hand (context) inspector. =============== Diff against Tools-tpr.777 =============== Item was changed: ----- Method: ContextVariablesInspector>>doItReceiver (in category 'code') ----- doItReceiver + ^object ifNotNil: [object receiver]! - ^object receiver!

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<Programming> 2018: Call for workshop, symposium & poster submissions
by Sylvia Grewe 14 Dec '17

14 Dec '17

----------------------------------------------------------------------- <Programming> 2018 : The Art, Science, and Engineering of Programming April 9-12, 2018, Nice, France https://2018.programming-conference.org/ ----------------------------------------------------------------------- The associated journal for <Programming> already published two exciting issues this year (openly accessible at http://programming-journal.org/2018/), a third one is being prepared at the moment. All of the papers from this year’s volume will be presented at <Programming> 2018 in Nice in April. Are you still looking for a good opportunity to contribute to the event? We are excited to announce that there will be 11 co-located events at the <Programming> 2018 conference: - ACM Student Research Competition / <Programming> 2018 Posters - Bx 2018 - 7th International Workshop on Bidirectional Transformations - CoCoDo 2018 – Raincode Labs Compiler Coding Dojo - LASSY 2018 - 3rd Workshop on Live Adaptation of Software SYstems - MOMO 2018 - 3rd Workshop on Modularity in Modelling - MoreVMs 2018 - 2nd Workshop on Modern Language Runtimes, Ecosystems, and VMs - PASS 2018 - 2nd Workshop on Programming Across the System Stack - Programming for the Large 2018 Workshop - ProWeb 2018 - 2nd International Workshop on Programming Technology for the Future Web - PX/18 - 3rd Workshop on Programming Experience - Salon des Refusés 2018 - 2nd edition of the Salon des Refusés workshop All co-located events will take place during April 9-10 2018. Below, we list short descriptions and important dates for each event. We are looking forward to your contributions! ******************************************************************** ACM Student Research Competition / <Programming> 2018 Posters Submissions: Mon 22 Jan 2018 https://2018.programming-conference.org/track/programming-2018-src ******************************************************************** The ACM Student Research Competition (SRC), sponsored by Microsoft Research, offers a unique forum for ACM student members at the undergraduate and graduate levels to present their original research before a panel of judges and conference attendees. The SRC gives visibility to up-and-coming young researchers, and offers them an opportunity to discuss their research with experts in their field, get feedback, and to help sharpen communication and networking skills. ACM’s SRC program covers expenses up to $500 for all students invited to an SRC. Please see our website for requirements and further details. **************************************************************** Bx 2018 - 7th International Workshop on Bidirectional Transformations Paper submissions: Fri 19 Jan 2018 Notifications: Sat 17 Feb 2018 https://2018.programming-conference.org/track/bx-2018-papers **************************************************************** Bidirectional transformations (bx) are a mechanism for maintaining the consistency of at least two related sources of information. Such sources can be relational databases, software models and code, or any other document following standard or ad-hoc formats. Bx are an emerging topic in a wide range of research areas, with prominent presence at top conferences in several different fields (namely databases, programming languages, software engineering, and graph transformation), but with results in one field often getting limited exposure in the others. Bx 2018 is a dedicated venue for bx in all relevant fields, and is part of a workshop series that was created in order to promote cross-disciplinary research and awareness in the area. As such, since its beginning in 2012, the workshop has rotated between venues in different fields. **************************************************************** CoCoDo 2018 – Raincode Labs Compiler Coding Dojo No submission deadlines! https://cocodo.github.io **************************************************************** If you ever studied any computing discipline, you must have learnt something about compilers as well, and you probably think you forgot everything about it since. Yet, almost every time you develop a non-trivial piece of software, you end up converting data between formats, traversing hierarchical structures, analysing and representing dependences and doing many other things that are at the heart of compiler design and implementation. Whether you are applying a Visitor design pattern or emulating a state machine with a switch/case statement, you are programming a little part of a compiler for your own language. Participating in CoCoDo will give you a chance to immerse in the marvels of compiler technologies for one day — and if you like it, you are welcome to stay in this field! Our coding dojo will be split into sessions, each dedicated to one aspect of compilation, with brief explanations and supervision by leading field experts. There will be several technologies, mainstream and otherwise, laid out at your disposal. Better yet, you can bring your own workbench and show us how it’s done. **************************************************************** LASSY 2018 - 3rd Workshop on Live Adaptation of Software SYstems Paper submissions: Fri 12 Jan 2018 Notifications: Fri 12 Feb 2018 https://2018.programming-conference.org/track/LASSY-2018-papers **************************************************************** The LASSY workshop provides a space for discussion and collaboration between researchers working on the problem of enabling live adaptations to software systems, across the development stack. The workshop encourages theoretical work on programming models and techniques to adapt software systems at the programming language, database, or user interface levels; application and practice to adaptive systems to a particular domain; and empirical studies on the impact and assessment of adaptive systems from a societal point of view. **************************************************************** MOMO 2018 - 3rd Workshop on Modularity in Modelling Abstract submissions (optional): Fri 2 Feb 2018 Paper submissions: Thu 8 Feb 2018 Notifications: Thu 1 Mar 2018 http://www.momo2018.ece.mcgill.ca/index.htm **************************************************************** Despite the power of abstraction of modelling, models of real-world problems and systems quickly grow to such an extent that managing the complexity by using proper modularization techniques becomes necessary. The Third International Modularity in Modelling Workshop (MoMo’18) will bring together researchers and practitioners interested in the theoretical and practical challenges resulting from applying modularity, advanced separation of concerns, and composition at the modelling level. It is intended to provide a forum for presenting new ideas and discussing the impact of the use of modularization in the context of (MDE) at different levels of abstraction. MoMo’18 will bring together researchers and practitioners interested in exploring modularization techniques for modelling, such as but not limited to aspect-oriented mechanisms to support advanced separation of concerns, advanced composition operators for possibly heterogeneous models, and techniques for execution and reasoning over global properties of modularized models. ****************************************************************************** MoreVMs 2018 - 2nd Workshop on Modern Language Runtimes, Ecosystems, and VMs Submissions: Fri 26 Jan 2018 Notifications: Fri 23 Feb 2018 https://2018.programming-conference.org/track/MoreVMs-2018 ****************************************************************************** The MoreVMs'18 workshop aims to bring together industrial and academic programmers to discuss the design, implementation, and usage of modern languages and runtimes. This includes aspects such as reuse of language runtimes, modular implementation, language design and compilation strategies. The workshop aims to enable a diverse discussion on how languages and runtimes are currently being utilized, and where they need to improve further. We welcome presentation proposals in the form of extended abstracts discussing experiences, work-in-progress, as well as future visions, from either an academic or industrial perspective. ************************************************************************** PASS 2018 - Workshop on Programming Across the System Stack Submissions: Mon 5 Feb 2018 Notifications: Mon 26 Feb 2018 Poster Submissions: Tue 6 Mar 2018 https://2018.programming-conference.org/track/PASS-2018-papers ************************************************************************** The landscape of computation platforms has changed dramatically in recent years. Emerging systems - such as wearable devices, smartphones, unmanned aerial vehicles, Internet of things, cloud computing servers, heterogeneous clusters, and data centers - pose a distinct set of system-oriented challenges ranging from data throughput, energy efficiency, security, real-time guarantees, to high performance. In the meantime, code quality, such as modularity or extensibility, remains a cornerstone in modern software engineering, bringing in crucial benefits such as modular reasoning, program understanding, and collaborative software development. This workshop is driven by one fundamental question: How does internal code quality interact with system-oriented goals? We welcome both positive and negative responses to this question. An example of the former would be modular reasoning systems specifically designed to promote system-oriented goals, whereas an example of the latter would be anti-patterns against system-oriented goals during software development. ************************************************************************* Programming for the Large 2018 Workshop Abstract submissions: Fri 26 Jan 2018 Submissions (full papers): Fri 2 Feb 2018 Position paper and work-in-progress paper submission: Tue 13 Feb 2018 Notifications: Fri 23 Feb 2018 https://2018.programmingconference.org/track/PftL-2018-papers ************************************************************************* In the last decade we have witnessed a new kid on the block in the programming (language) community: programming “large computers”. Such computers include many-core machines, clusters of raspberry-pies, industry-scale cluster machines, cloud infrastructure, CUDA and MPI-based supercomputers etc. This workshop seeks to gather researchers that contribute to the simplification of the software stack that will be used to program such machinery in the near future. The main focus of the workshop is "Programming for the Large". Nonetheless, this workshop aims to bring together researchers from many disciplines: distributed programming, big data processing, distributed database engineering, etc. This workshop welcomes any contribution that advances the state-of-the-art in the design, implementation and engineering of runtime systems for cluster architectures. ************************************************************************* ProWeb 2018 - 2nd International Workshop on Programming Technology for the Future Web Submissions: Mon 15 Jan 2018 Notifications: Mon 12 Feb 2018 https://2018.programming-conference.org/track/proweb-2018-papers ************************************************************************* Web applications have become ubiquitous on desktop and mobile devices alike. Whereas “responsive” web applications already offered a desktop-like experience, there is an increasing demand for “rich” web applications (RIAs) that offer collaborative and even off-line functionality. ProWeb18, the 2nd International Workshop on Programming Technology for the Future Web, is a forum for researchers and practitioners to share and discuss new technology for programming these and future evolutions of the web. We welcome submissions introducing programming technology (i.e., frameworks, libraries, programming languages, program analyses and development tools) for implementing web applications and for maintaining their quality over time, as well as experience reports about the use of state-of-the-art programming technology. Relevant topics include, but are not limited to: program analysis and testing for the web; design and implementation of languages for the web; distributed technology for data sharing, replication and consistency; and security technology for the web. **************************************************************** PX/18 - 3rd Workshop on Programming Experience Submissions: Sat 3 Feb 2018 Notifications: Mon 26 Feb 2018 https://2018.programming-conference.org/track/px-2018-papers/ http://programming-experience.org/px18/ **************************************************************** PX is a workshop that explores the act of programming, in particular what programmers and programming teams do to create software. Do they type in source text and compile; do they modify running programs; what kinds of tools are available for error detection, correction, and prevention; what collaboration tools are available; what language features make some things easier (or harder); what constitutes programming; etc? The workshop is run as a writers’ workshop. **************************************************************** Salon des Refusés 2018 Submissions: Thu 1 Feb 2018 Notifications: Sat 17 Feb 2018 https://www.shift-society.org/salon/2018/ **************************************************************** Salon des Refusés ("exhibition of rejects") was an 1863 exhibition of artworks rejected from the official Paris Salon. It displayed works by later famous modernists such as Édouard Manet, whose paintings were rejected by the conservative jury of the Paris Salon. A similar space is needed to explore new ways of doing computer science. Many interesting ideas about programming struggle to find space in the modern programming language research community, often because they are difficult to evaluate. To provide space for unorthodox thought provoking ideas, we take inspiration from literary criticism. Papers that spark an interesting debate among the program committee are presented together with an attributed critique that discusses the merits of the work.

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The Trunk: Morphic-mt.1376.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Marcel Taeumel uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-mt.1376.mcz ==================== Summary ==================== Name: Morphic-mt.1376 Author: mt Time: 14 December 2017, 11:10:08.355531 am UUID: 5385c16f-8e09-024b-9d04-ffe04223e8aa Ancestors: Morphic-nice.1375 Fixes preference update for #drawCornerResizeHandles. =============== Diff against Morphic-nice.1375 =============== Item was changed: ----- Method: CornerGripMorph class>>drawCornerResizeHandles: (in category 'preferences') ----- drawCornerResizeHandles: aBoolean - | world | DrawCornerResizeHandles := aBoolean. + Project current restoreDisplay.! - world := self world. - world invalidRect: world bounds from: world.!

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The Trunk: Collections-mt.778.mcz
by commits＠source.squeak.org 14 Dec '17

14 Dec '17

Marcel Taeumel uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-mt.778.mcz ==================== Summary ==================== Name: Collections-mt.778 Author: mt Time: 14 December 2017, 11:09:04.741531 am UUID: b85b1a4a-983f-e847-932d-fa9b6ff0a24f Ancestors: Collections-nice.777 Fixes lazy initialization of byteArrayMap. I renamed "initialize" to "create" because I thought that (1) a special return value of an initialize method would be surprising and (2) the accessor for #byteArrayMap should remain concise. =============== Diff against Collections-nice.777 =============== Item was changed: ----- Method: CharacterSet>>byteArrayMap (in category 'accessing') ----- byteArrayMap "return a ByteArray mapping each ascii value to a 1 if that ascii value is in the set, and a 0 if it isn't. Intended for use by primitives only" + ^byteArrayMap ifNil: [byteArrayMap := self createByteArrayMap]! - ^byteArrayMap ifNil: [self initializeByteArrayMap]! Item was added: + ----- Method: CharacterSet>>createByteArrayMap (in category 'private') ----- + createByteArrayMap + ^ (0 to: 255) asByteArray collect: + [:i | (self includes: (Character value: i)) ifTrue: [1] ifFalse: [0]]! Item was removed: - ----- Method: CharacterSet>>initializeByteArrayMap (in category 'private') ----- - initializeByteArrayMap - byteArrayMap := (0 to: 255) asByteArray collect: - [:i | (self includes: (Character value: i)) ifTrue: [1] ifFalse: [0]]!

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The Trunk: System-eem.982.mcz
by commits＠source.squeak.org 13 Dec '17

13 Dec '17

Eliot Miranda uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-eem.982.mcz ==================== Summary ==================== Name: System-eem.982 Author: eem Time: 12 December 2017, 9:41:56.677625 am UUID: 178a5e44-255e-4f96-b321-28c3d27f913c Ancestors: System-eem.981 Resave to eliminate inadvertent Preferences changes. I can't believe that we're still having to step around this b.s. sigh... =============== Diff against System-eem.981 =============== Item was removed: - ----- Method: Preferences class>>enablePortraitMode (in category 'standard queries') ----- - enablePortraitMode - ^ self - valueOfFlag: #enablePortraitMode - ifAbsent: [false]! Item was removed: - ----- Method: Preferences class>>enableVirtualOLPCDisplay (in category 'standard queries') ----- - enableVirtualOLPCDisplay - ^ self - valueOfFlag: #enableVirtualOLPCDisplay - ifAbsent: [false]! Item was changed: + ----- Method: Preferences class>>haloTheme (in category 'prefs - halos') ----- - ----- Method: Preferences class>>haloTheme (in category 'standard queries') ----- haloTheme ^ self valueOfFlag: #haloTheme + ifAbsent: [ #iconicHaloSpecifications ]! - ifAbsent: [#iconicHaloSpecifications]! Item was changed: ----- Method: Preferences class>>showAdvancedNavigatorButtons (in category 'standard queries') ----- showAdvancedNavigatorButtons ^ self valueOfFlag: #showAdvancedNavigatorButtons + ifAbsent: [ true ]! - ifAbsent: [false]! Item was removed: - ----- Method: Preferences class>>sugarAutoSave (in category 'standard queries') ----- - sugarAutoSave - ^ self - valueOfFlag: #sugarAutoSave - ifAbsent: [false]! Item was removed: - ----- Method: Preferences class>>vmProfilerFillInIntegral (in category 'standard queries') ----- - vmProfilerFillInIntegral - ^ self - valueOfFlag: #vmProfilerFillInIntegral - ifAbsent: [false]!

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The Inbox: System-dtl.984.mcz
by commits＠source.squeak.org 13 Dec '17

13 Dec '17

David T. Lewis uploaded a new version of System to project The Inbox: http://source.squeak.org/inbox/System-dtl.984.mcz ==================== Summary ==================== Name: System-dtl.984 Author: dtl Time: 12 December 2017, 10:17:36.2562 pm UUID: 1c5f7c2c-7c54-4e4e-abf3-6d9c2e53206c Ancestors: System-dtl.983 Simplify search for a suitable project in Project class>tryOtherProjectForRecovery: The test for project class ~= Project is not needed because Project is abstract in practice. Clean up comments. =============== Diff against System-dtl.983 =============== Item was changed: ----- Method: Project class>>tryOtherProjectForRecovery: (in category 'error recovery') ----- tryOtherProjectForRecovery: errorMessage "Try entering the parent project if it uses a different user interface. We determine this by comparing the project's class." | safeProject nextProject | nextProject := Project current. safeProject := nil. + "Search parent projects for one of a different type" [safeProject notNil or: [nextProject isTopProject]] whileFalse: [ nextProject := nextProject parent. (Project current isKindOf: nextProject class) ifFalse: [safeProject := nextProject]]. + "No suitable parent project found, search all projects for any one of different type." - - "Parent project was not of a different type. Search through all known - projects to find any one that is of different project type." safeProject ifNil: [Smalltalk garbageCollect. safeProject := Project allSubInstances + detect: [:proj | (proj isKindOf: Project current class) not] ifNone: []]. - detect: [:proj | (proj isKindOf: Project current class) not - and: [proj class ~= Project]] - ifNone: []]. safeProject ifNotNil: [:p | p enterForEmergencyRecovery. + "Active process will usually suspend after this."]. + ! - "Active process will usually suspend after this."].!

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