- Pharo-dev - lists.pharo.org

Platform Packages vs. Git Branches
by sean＠clipperadams.com Aug. 30, 2022

Aug. 30, 2022

Iâve always supported multiple platforms (e.g. different Pharo versions) via packages like MyProject-Plaform-Pharo9. Thinking back, the primary reason is that is how I saw it done by other projects. Also, I adopted the practice well before git was in wide use in the Pharo world. However, Jan Bliznicenko recently suggested an alternate workflow which sounds like how Pharo itself is managed: use git branches, with the primary branch supporting only latest Pharo, and other branches only getting critical bug fixes backported. Not sure how that would work for projects that support other dialects e.g. Gemstone and Squeak, since there would then be multiple âlatest versionsâ. Iâm interested in opinions about these options as I feel that Magritte is an important community asses and want to keep it compatible on as many platforms as possible (with as little work as possible)! I also get the feeling that many people keep ancient systems in production, and I wonder which they would prefer - a project that is stable on a Pharo version (more or less) when that version is released or having the latest commits, especially bug fixes. Thoughts?

4 5

This week (34/2022) on the Pharo Issue Tracker MD Marcus Denker
by Marcus Denker Aug. 26, 2022

Aug. 26, 2022

We merged 28 PRs this week: Improvements ============ - Optimize setting of initial position in PositionableStream>>on: #11555 https://github.com/pharo-project/pharo/pull/11555 - Rotten green tests plugin for DrTests #11513 https://github.com/pharo-project/pharo/pull/11513 Git Support ========= - Updating Libgit2 Bindings to version 2.2.6 #1605 https://github.com/pharo-vcs/iceberg/pull/1605 - Fix Pharo's #11370: Cannot commit when adding a class instance variable #1597 https://github.com/pharo-vcs/iceberg/pull/1597 - Update Iceberg to 2.0.8 #11581 https://github.com/pharo-project/pharo/pull/11581 Cleanups ======== - Cleanup typo in ASTCache>>#at: #11557 https://github.com/pharo-project/pharo/pull/11557 - README.md and Bootstrap cleanup #11453 https://github.com/pharo-project/pharo/pull/11453 - Update class comment of AsciiCharSet #11575 https://github.com/pharo-project/pharo/pull/11575 - Class comment for RBCommentToken #11571 https://github.com/pharo-project/pharo/pull/11571 - Categorize RBShortAssignmentToken>>#length like superclass #11569 https://github.com/pharo-project/pharo/pull/11569 - Just some formatting in a package comment #11560 https://github.com/pharo-project/pharo/pull/11560 - RBScanner>>#isSelectorNonBinary improve with script: pragma #11567 https://github.com/pharo-project/pharo/pull/11567 - Enhance isUnary method comment #11541 https://github.com/pharo-project/pharo/pull/11541 - Fixes: #11526 and #11527: Refactoring2-core merge and baseline fix #11529 https://github.com/pharo-project/pharo/pull/11529 - Typo in class comment of AllProtocol #11573 https://github.com/pharo-project/pharo/pull/11573 - Cleanup AthensBalloonPaint and AthensBalloonGradientPaint #11579 https://github.com/pharo-project/pharo/pull/11579 - Small cleanups in Object #11594 https://github.com/pharo-project/pharo/pull/11594 - Improve #basicSize documentation and add tests #11590 https://github.com/pharo-project/pharo/pull/11590 - Cleanup ReferenceFinder>>#searchIndicesIn: #11592 https://github.com/pharo-project/pharo/pull/11592 - Removed empty abstractCompletionEngine class #11562 https://github.com/pharo-project/pharo/pull/11562 - Stream should be declared as abstract class #11553 https://github.com/pharo-project/pharo/pull/11553 - PositionableStream should be declared as abstract class #11551 https://github.com/pharo-project/pharo/pull/11551 - EncodedCharSet should return true for #isAbstract #11549 https://github.com/pharo-project/pharo/pull/11549 Pharo10 ======= - Updating version of Iceberg to 2.0.7, for libgit 1.4.4 -- Backport to Pharo 10 #11545 https://github.com/pharo-project/pharo/pull/11545 - Creates Graphical UI for AndreasProfiler and TimeProfiler #11532 https://github.com/pharo-project/pharo/pull/11532 Pharo9 ======= - Upgrade iceberg to 2.0.7 -- backport to Pharo 9 #11546 https://github.com/pharo-project/pharo/pull/11546 - Update Iceberg to 2.0.8 #11582 https://github.com/pharo-project/pharo/pull/11582

1 0

Status update of Libgit2 and CI issues
by Guillermo Polito Aug. 23, 2022

Aug. 23, 2022

A couple of weeks ago we got reported a big recurrent failure on CI jobs while cloning using iceberg/libgit https://github.com/pharo-project/pharo/issues/11481. TL;DR; So far (Friday ~17h Paris time) we managed to get everything up and running. A new VM is being released by our CI, all pull requests are issued and we should have everything integrated by tonight. =-=-=-=-=-=-=-= More on the situation: Errors happened randomly with ``` error reading from the zlib stream ``` or ``` bad packet length ``` Several people helped in getting a reliable script to reproduce the issue, plus some instructions to produce a reproduction environment using a docker container. With that in our hands, we managed to corner the issue to a new incompatibility between old libgit2 versions, ssh2, OpenSSL, and (at least) Github. After testing some configurations, we decided to upgrade the libgit and related binaries to newer versions: - libgit 1.4.4 - libssh 1.9.0 - OpenSSL 1.1.1k This was of course not as straightforward as we would have liked. Libgit2 1.4.4 was not compatible with its older versions and broke our ffi bindings. We needed to provide new VM binaries for all our major platforms, make a new VM release, upgrade the libgit2 bindings, and make releases of the libgit2 bindings, iceberg, and backport to Pharo 10 and Pharo 9. TL;DR; So far (Friday ~17h Paris time) we managed to get everything up and running. A new VM is being released by our CI, all pull requests are issued and we should have everything integrated by tonight. Libgit+related compilation instructions are updated in the VM wiki https://github.com/pharo-project/pharo-vm/wiki/Building-OSX-ARM64-Third-Par… https://github.com/pharo-project/pharo-vm/wiki/Building-OSX-X86_64-Third-Pa… https://github.com/pharo-project/pharo-vm/wiki/Building-Linux-ARM64-Third-P… https://github.com/pharo-project/pharo-vm/wiki/Building-Linux-ARM32-Third-P… Libgit bindings Upgrade changes: https://github.com/pharo-vcs/libgit2-pharo-bindings/commit/0e0100f7d0f3a11c… release: https://github.com/pharo-vcs/libgit2-pharo-bindings/releases/tag/v2.2.6 Iceberg Upgrade pr: https://github.com/pharo-vcs/iceberg/pull/1605 release: https://github.com/pharo-vcs/iceberg/releases/tag/v2.0.7 Upgrading library dependencies in the VM https://github.com/pharo-project/pharo-vm/pull/447 Release VM 9.0.16 https://github.com/pharo-project/pharo-vm/releases/tag/v9.0.16 Backports to Pharo Pharo10 https://github.com/pharo-project/pharo/pull/11545 Pharo9 https://github.com/pharo-project/pharo/pull/11546 We have left for later to upgrade library dependencies for the Windows VM (x86-64, ARM64). Of course, any help in this direction is welcome. Cheers, G in behalf of the team

4 4

What, exactly, does `#=` mean?
by sean＠clipperadams.com Aug. 23, 2022

Aug. 23, 2022

Anyone know of a book that goes in depth explaining \`#=\`? I've always wondered what "equal" is supposed to mean. For example, if I have two objects representing the same person, but one has their webpage cached as state, they represent the same entity, and are interchangeable in many contexts, but also have a difference that may be important in other contexts. Is âequalâ whatever you say it is in your domain, or is it a Smalltalk object system concept? If the latter, what is the exact expectation?

3 2

about object serialization and deserialization
by stephane ducasse Aug. 21, 2022

Aug. 21, 2022

Hi guys It is interesting to think about the design and use of object deserializers. https://www.slideshare.net/frohoff1/deserialize-my-shorts-or-how-i-learned-…

3 2

This week (33/2022) on the Pharo Issue Tracker
by Marcus Denker Aug. 19, 2022

Aug. 19, 2022

We merged 13 PRs this week: Features ======== - SIMD bytecode support https://github.com/pharo-project/pharo/pull/11516 Fixes ===== - Fix senders/implementors of class variables and shared pools https://github.com/pharo-project/pharo/pull/11490 - Clean version of PR 11498: DrTests: Rerunning test https://github.com/pharo-project/pharo/pull/11510 - 11533-Ring-RGMethodDefinitionisDoIt-missing https://github.com/pharo-project/pharo/pull/11535 - Fix #11540: Selecting a string and pressing Implementors breaks in Calypso New Class pane https://github.com/pharo-project/pharo/pull/11542 - Fix isScripting for block contexts from DoIts https://github.com/pharo-spec/Spec/pull/1297 https://github.com/pharo-spec/NewTools/pull/401 - remove-broken-Fuel-inspector https://github.com/pharo-spec/NewTools/pull/397 - fix closing Spotter by Esc https://github.com/pharo-spec/NewTools/pull/410 Cleanup ======= - Delete .bintray.json https://github.com/pharo-project/pharo/pull/11522 - Fixes: #11514 Removing Refactoring Help package https://github.com/pharo-project/pharo/pull/11521 - Fix spurious creation of stream https://github.com/pharo-project/pharo/pull/11531 Pharo10 ======= - Backport visitWindowExposeEvent to redraw when windows are re-exposed https://github.com/pharo-project/pharo/pull/11484

1 0

Weeks (30/31/32 ) on the Pharo Issue Tracker
by Marcus Denker Aug. 17, 2022

Aug. 17, 2022

Holiday period, but we merged 15 PRs the last three weeks. Fixes ===== - fix the top and bottom of the rectangle of text input region so that â¦ #11474 https://github.com/pharo-project/pharo/pull/11474 - Fixes: #11342 added some tests to cover to methods that were not called. #11349 https://github.com/pharo-project/pharo/pull/11349 - 10774-FTP-clientgetDataInto-lost-returned-information #11466 https://github.com/pharo-project/pharo/pull/11466 - Improve protocol suggestions when creating method from debugger #11486 https://github.com/pharo-project/pharo/pull/11486 - Fix DoIt highlighting and debugIt in ProcessBrowser #11473 https://github.com/pharo-project/pharo/pull/11473 Test Runner =========== - Fix issue #11496: Executable comments checker of DrTests https://github.com/pharo-project/pharo/pull/11497 - Fixing issue #9545: DrTests should show 'expected failures' and 'passed unexpectedly' #11495 https://github.com/pharo-project/pharo/pull/11495 - NewTestRunner, NewCommandLineRunner #11469 https://github.com/pharo-project/pharo/pull/11469 - CoverageRunner deleted #11504 https://github.com/pharo-project/pharo/pull/11504 Features ======== - CloseAllWindows #11408 https://github.com/pharo-project/pharo/pull/11408 Cleanup ======= - [cleanup] naming consistency of bytecodeS #11488 https://github.com/pharo-project/pharo/pull/11488 - [improvement] add deprecation + transform to bytecode -> bytecodes #11502 https://github.com/pharo-project/pharo/pull/11502 - [cleanup] remove empty test classes #11508 https://github.com/pharo-project/pharo/pull/11508 - Adding comments to SUnit classes #11478 https://github.com/pharo-project/pharo/pull/11478

1 0

Pharo's syntax highlighter
by Shaping Aug. 16, 2022

Aug. 16, 2022

Are there any experts here on the Settings' Syntax Highlighter subsection and associated parser classes that make the ASTs? I have some extensions/mods I would like to make to the highlighter. Can someone suggest which classes to study? I'm alternating between improvement like this and porting my stuff from VW, with Christian's help. Thanks Christian. Here's the issue sketching what I want to do in the highlighter: https://github.com/pharo-project/pharo/issues/11505 Shaping

3 2

MPLR 2022 -- Call for Participation
by Guillermo Polito Aug. 16, 2022

Aug. 16, 2022

======================================================================== Call for Participation MPLR 2022 - 19th International Conference on Managed Programming Languages & Runtimes September 14-15, 2022 in Brussels, Belgium https://soft.vub.ac.be/mplr22/ Follow us @MPLR_Conf ======================================================================== The 19th International Conference on Managed Programming Languages & Runtimes (MPLR, formerly ManLang) is a premier forum for presenting and discussing novel results in all aspects of managed programming languages and runtime systems, which serve as building blocks for some of the most important computing systems in use, ranging from small-scale (embedded and real-time systems) to large-scale (cloud-computing and big-data platforms) and anything in between (desktop, mobile, IoT, and wearable applications). This year, MPLR will be held at the campus of the Vrije Universiteit Brussel(VUB) in Brussels, Belgium. Keynotes -------- Performance Optimizations in the .NET GC Dr. Maoni Stephens, Microsoft, USA Static Compilation of JavaScript Dr. Manuel Serrano, Inria Sophia-Antipolis, France Accepted Papers --------------- Automatic Array Transformation to Columnar Storage at Run Time Lukas Makor et al. Compressed Forwarding Tables Reconsidered Jonas Norlinder et al. Event-Based Out-of-place Debugging Tom Lauwaerts et al. Machine-Learning-Based Self-Optimizing Compiler Heuristics Raphael Mosaner et al. SecSharp: Towards Efficient Trusted Execution in Managed Languages Gilang Mentari Hamidy et al. A Model Checking Framework for a New Collector Framework Bochen Xu et al. Porting a JIT compiler to RISC-V: Challenges and Opportunities Quentin Ducasse et al. Analyzing and Predicting Energy Consumption of Garbage Collectors in OpenJDK Marina Shimchenko et al. Better Understanding the Costs and Benefits of Automatic Memory Management Kunal Sareen et al. Dynamic Taint Analysis with Label-Defined Semantics Jacob Kreindl et al. Attendance ---------- Thanks to our generous sponsors, we were able to significantly reduce this yearâs registration fees. Early Registration Fees: Students: 175 Euro Regular: 250 Euro In addition to the conference participation, the registration includes: - 2-day transportation ticket in the Brussels area - welcome reception on Wednesday, September 14 - guided tour to the city hall and conference banquet on Thursday, September 15 More details, and link to registration system: https://soft.vub.ac.be/mplr22/registration/ Important Dates --------------- Early Registration: 23 August 2022 Conference Dates: 14-15 September 2022

1 0

Omnibase/Monibase repository removal
by Norbert Hartl Aug. 12, 2022

Aug. 12, 2022

To all Omnibase and Monibase users. It turned out that neither of those are open source. The author of the database contacted me clarifying the situation that he has the copyright and never released something open source. This means that I will remove the Omnibase repositories in few weeks from https://github.com/ApptiveGrid/MoniBase <https://github.com/ApptiveGrid/MoniBase> and https://github.com/pharo-nosql/OmniBase <https://github.com/pharo-nosql/OmniBase> I'm very sorry about that but someone just took the code 9 years before, copied it on github and put illegally an MIT license to the repository. We only want free software in our repositories and hence the above will go away. As we see it essential to have a good OO database in pharo we will see how much effort it will be build a small and simple OO database that can replace Omnibase. regards, Norbert

5 10