September 2023 - Pharo-dev - lists.pharo.org

[Success Story] PLC3000: All-in-One Solution for Teaching Factory Automation

by Marcus Denker

PLC3000: All-in-One Solution for Teaching Factory Automation https://pharo.org/success/PLC3000.html PLC3000 is the 1st turnkey web solution for industrial automation training. It combines pedagogical content with interactive and engaging programmable simulated benches implemented using PharoJS. PLC3000 won the 3rd prize of the ESUG 2023 edition of the Innovation Technology Awards. Being 100% online, PLC3000 requires only a web browser. It can be used to teach remotely, in person or hybrid classes. It works even for large groups of students. Request your free demo! Main features of PLC3000: â¢ Diverse themed exercise catalog with gamified simulations of industrial system models. â¢ Self-training tutorials for industrial automation, allowing unsupervised learning. â¢ Vendor-agnostic PLC simulator supporting multiple programming languages from the IEC 61131 standard: Ladder Diagram (LD), Instruction List (IL), Structured Text (ST), Sequential Function Chart (SFC). â¢ Pedago-focus all-in-one web platform: Always ready, up-to-date, accessible 24/7 from anywhere. â¢ Interactive PLC inspector for live program analysis and debugging. â¢ Online help explaining concepts in all supported programming languages. https://plc3000.com/

Sept. 12, 2023

This week (36/2023) on the Pharo Issue Tracker

by Marcus Denker

# Features - Allow formatting the contents of a Playground #14602 https://github.com/pharo-project/pharo/pull/14602 - Search strings without symbols using RB pattern matcher #14604 https://github.com/pharo-project/pharo/pull/14604 - Make unwind more flexible #14610 https://github.com/pharo-project/pharo/pull/14610 - Update Roassal version v1.03 #14615 https://github.com/pharo-project/pharo/pull/14615 # Fixes - Make finalization registry entry removal O(1) #14068 https://github.com/pharo-project/pharo/pull/14068 - Fix check already-existing extension in Path>>withExtension: (fixes #14594) #14595 https://github.com/pharo-project/pharo/pull/14595 - Use separate bind and listen primitives instead of combined listenOn:â¦ family #14593 https://github.com/pharo-project/pharo/pull/14593 - Monticello: try to fix flacky test #14606 https://github.com/pharo-project/pharo/pull/14606 - Monticello: avoid double loading of class definition #14609 https://github.com/pharo-project/pharo/pull/14609 - Kernel: Speedup #isObsolete #14608 https://github.com/pharo-project/pharo/pull/14608 # Font / Text Rendering - Add âscaleâ parameter for displaying strikeouts and underlines through fonts #14574 https://github.com/pharo-project/pharo/pull/14574 - Fix FormCanvas string drawing to use the strikethrough color for displaying the strikeout #14573 https://github.com/pharo-project/pharo/pull/14573 - Remove unused instance variables and methods from CharacterScanner and RubCharacterScanner hierarchies #14572 https://github.com/pharo-project/pharo/pull/14572 # RPackage - Increase usage of new API in MCOrganizationDefinition #14512 https://github.com/pharo-project/pharo/pull/14512 - RPackage: clean API of RPackage #14581 https://github.com/pharo-project/pharo/pull/14581 - Gofer: Remove update of categories #14584 https://github.com/pharo-project/pharo/pull/14584 - RPackage: simplify class removal #14579 https://github.com/pharo-project/pharo/pull/14579 - RPackage: Remove empty tag while removing its last class #14590 https://github.com/pharo-project/pharo/pull/14590 - RPackage: Remove in image users of MCOrganizationDefinition categories #14591 https://github.com/pharo-project/pharo/pull/14591 # Cleanup - Reduce UIManager dependencies: #14601 https://github.com/pharo-project/pharo/pull/14601 - Remove UIManager dependencies! #581 https://github.com/pharo-spec/NewTools/pull/581 - Reduce UIManager (hidden) dependencies #1445 https://github.com/pharo-spec/Spec/pull/1445 - TestRunner removal #14607 https://github.com/pharo-project/pharo/pull/14607 - Metacello: Remove unused tests resources #14620 https://github.com/pharo-project/pharo/pull/14620 - Use new API of ClassFactoryForTestCase #571 https://github.com/pharo-spec/NewTools/pull/571 - One less + automatic rewriting #1447 https://github.com/pharo-spec/Spec/pull/1447

Sept. 8, 2023

Re: [Pharo-users] The results of the Pharo Browser usage survey are available

by Guillermo Polito

Thanks Koen! Itâs fun to read in detail :) So, whatâs the action plan? > El 5 sep. 2023, a las 22:10, Koen De Hondt <koen(a)all-objects-all-the-time.st> escribiÃ³: > > Dear Pharo users and developers, > > Last week at ESUGâ23 I presented the results of the survey on the usage of the Pharo Browser. Half an hour was not enough to show and discuss all questions and answers. You find all results on my blog: https://all-objects-all-the-time.st/#/blog/posts/3 <https://all-objects-all-the-time.st/#/blog/posts/3>. If you have questions, comments, or suggestions, please do not hesitate to send me a message. > > Best regards, > Koen

Sept. 6, 2023

The results of the Pharo Browser usage survey are available

by Koen De Hondt

Dear Pharo users and developers, Last week at ESUGâ23 I presented the results of the survey on the usage of the Pharo Browser. Half an hour was not enough to show and discuss all questions and answers. You find all results on my blog: https://all-objects-all-the-time.st/#/blog/posts/3. If you have questions, comments, or suggestions, please do not hesitate to send me a message. Best regards, Koen

Sept. 5, 2023

This week (35/2023) on the Pharo Issue Tracker

by Marcus Denker

# Fonts - Extend FreeTypeCache to support different scales #14544 https://github.com/pharo-project/pharo/pull/14544 - Add âscaleâ parameter for displaying strings using a StrikeFont, FixedFaceFont or LogicalFont #14563 https://github.com/pharo-project/pharo/pull/14563 - Add âscaleâ parameter for displaying strings using a FreeTypeFont #14503 https://github.com/pharo-project/pharo/pull/14503 - Remove StrikeFontSet and StrikeFontSetStoredSetting (bis) #14549 https://github.com/pharo-project/pharo/pull/14549 - Remove StubFixedFont #14550 https://github.com/pharo-project/pharo/pull/14550 - Fix bugs in display of wide characters through StrikeFont #14543 https://github.com/pharo-project/pharo/pull/14543 # RPackage - RPackage: Simplify method additions in tests #14566 https://github.com/pharo-project/pharo/pull/14566 - RPackage: Unify creation of packages from extension protocols #14551 https://github.com/pharo-project/pharo/pull/14551 - Monticello: Announce MethodAdded when compiling a method whose prior method is from a different origin #14565 https://github.com/pharo-project/pharo/pull/14565 - RPackage: #packageTag should work on class side #14561 https://github.com/pharo-project/pharo/pull/14561 - RPackage: #packageTag should always return a tag #14556 https://github.com/pharo-project/pharo/pull/14556 - RPackage: Iteration on tag API in RPackage #14548 https://github.com/pharo-project/pharo/pull/14548 - RPackage: Do not repackage methods twice #14538 https://github.com/pharo-project/pharo/pull/14538 - RPackage: Remove duplicated classes infos #14513 https://github.com/pharo-project/pharo/pull/14513 - RPackage: Clean package tag API #14539 https://github.com/pharo-project/pharo/pull/14539 - RPackage: Simplify protocol manipulation #14537 https://github.com/pharo-project/pharo/pull/14537 - RPackage: Remove #systemCategories #14517 https://github.com/pharo-project/pharo/pull/14517 - RPackage: Try to fix CI failure #14530 https://github.com/pharo-project/pharo/pull/14530 # Refactoring Eingine - Fix: update test expected results #14545 https://github.com/pharo-project/pharo/pull/14545 - Refactorings: Remove categories from environments and clean the code #14546 https://github.com/pharo-project/pharo/pull/14546 - Refactor: replace message sends #14522 https://github.com/pharo-project/pharo/pull/14522 - Enh/cleaning breaking changes #14516 https://github.com/pharo-project/pharo/pull/14516 # Fixes - Speedup key combination for all items selection in Test Runner #14534 https://github.com/pharo-project/pharo/pull/14534 - Update Calypso after removal of a new package. #14531 https://github.com/pharo-project/pharo/pull/14531 - Calypso: Prevent the recategorization of removed methods #14555 https://github.com/pharo-project/pharo/pull/14555 # Cleanup - Fix: #14541: Remove multiple methods does not work anymore #14560 https://github.com/pharo-project/pharo/pull/14560 - Reduce UIManager (hidden) dependencies #1445 https://github.com/pharo-spec/Spec/pull/1445

Sept. 4, 2023

Re: Compiling Pharo VM used for P8

by Jan VranÃ½

Hi, freshly downloaded zeroconf VM for P8 shows in `pharo -version`: Date: Wed Feb 12 11:43:20 2020 CommitHash: 52202d8. so I tried this exact commit from https://github.com/pharo-project/pharo-vm.git : commit 52202d80a407f05e9eb4bbd1001d21d913c4fc5b (tag: dev-7-20200212-2, origin/cog/dev-7) Author: Pablo Tesone <tesonep(a)gmail.com> Date: Wed Feb 12 11:43:20 2020 +0100 Adding B3D plugin dependencies Just now also tried v8.6.1 as you suggested (from the same repo): commit e829a1dabcea88556103ebe61f69e2a8fb1111ea (HEAD, tag: v8.6.1) Author: Pablo Tesone <tesonep(a)gmail.com> Date: Tue Oct 13 15:43:09 2020 +0200 Changing version to 8.6.1 using cmake: git clone ... pharo-vm cd pharo-vm mkdir build cd build cmake .. make but got a bunch of errors too (though very different) - see below. Jan ... NewUndeclaredWarning: BalloonEnginePlugin>>primitiveAddRect (GEFWrongFill is Undeclared) NewUndeclaredWarning: BalloonEnginePlugin>>primitiveAddRect (GEFEngineStopped is Undeclared) NewUndeclaredWarning: BalloonEnginePlugin>>primitiveAddRect (GEFWorkTooBig is Undeclared) NewUndeclaredWarning: BalloonEnginePlugin>>primitiveAddRect (GEFBadPoint is Undeclared) NewUndeclaredWarning: BalloonEnginePlugin>>primitiveAddRect (GEFEntityLoadFailed is Undeclared) MetacelloNotification: Loaded -> VMMaker-tonel.1 --- tonel:///home/jv/Projects/Pharo/pharo-vm/smalltalksrc --- cache MetacelloNotification: Loading -> VMMakerCompatibilityForPharo6-tonel.1 --- tonel:///home/jv/Projects/Pharo/pharo-vm/smalltalksrc --- cache Warning: This package depends on the following classes: EncoderForV3 You must resolve these dependencies before you will be able to load these definitions: EncoderForV3>>#extensionsAt:in:into: MCPackageLoader(Object)>>notify: MCPackageLoader>>warnAboutDependencies MCPackageLoader>>validate MCPackageLoader>>loadWithNameLike: MCVersionLoader>>basicLoadWithNameLike: [ ... adBlock goferLoad answers resolvedReference ...etc... [:bar | bar value: 1. aBlock value. bar value: 2 ] in IceMetacelloPharoPlatform(MetacelloPharoCommonPlatform)>>do:displaying: in Block: [:bar |... *** Warning: Warning: This package depends on the following classes: EncoderForV3 You must resolve these dependencies before you will be able to load these definitions: EncoderForV3>>#extensionsAt:in:into: NewUndeclaredWarning: OCAbstractScope>>childrenDo:after:suchThat: (children is Undeclared) NewUndeclaredWarning: OCAbstractScope>>childrenDo:after:suchThat: (children is Undeclared) NewUndeclaredWarning: OCAbstractScope>>childrenDo:suchThat: (children is Undeclared) NewUndeclaredWarning: OCAbstractScope>>childrenDo:suchThat: (children is Undeclared) NewUndeclaredWarning: DisplayText class>>text: (DefaultTextStyle is Undeclared) ... MetacelloNotification: Loading -> FileAttributesPlugin-tonel.1 --- tonel:///home/jv/Projects/Pharo/pharo-vm/smalltalksrc --- cache MetacelloNotification: Loaded -> FileAttributesPlugin-tonel.1 --- tonel:///home/jv/Projects/Pharo/pharo-vm/smalltalksrc --- cache MetacelloNotification: ...finished baseline [ 13%] Generating VM files for flavour: CoInterpreterWithQueueFFI Generating #CoInterpreterWithQueueFFI in '/home/jv/Projects/Pharo/pharo-vm/build'... NewUndeclaredWarning: VMMaker class>>forceNewFileNamed: (MultiByteFileStream is Undeclared) NewUndeclaredWarning: VMMaker class>>forceNewFileNamed: (MultiByteFileStream is Undeclared) #MultiByteFileStream is missing, and does not understand #forceNewFileNamed: UndefinedObject>>doesNotUnderstand: #forceNewFileNamed: VMMaker class>>forceNewFileNamed: CCodeGeneratorGlobalStructure(CCodeGenerator)>>storeHeaderOnFile:contents: ... FullBlockClosure(BlockClosure)>>on:do: PharoCommandLineHandler(BasicCommandLineHandler)>>activateSubCommand: PharoCommandLineHandler(BasicCommandLineHandler)>>handleSubcommand PharoCommandLineHandler(BasicCommandLineHandler)>>handleArgument: Syntax Error on line 1: 'Variable or expression expected' ========================================================= 1: er frameCallerSP: (interpreter frameCallerFP: interpreter framePointer). _^_ 2: aContext := interpreter ensureFrameIsMarried: framePointerToMarry SP: stackPointerToMarry. 3: interpreter externalDivorceFrame: framePointerToMarry andContext: aContext. 4: expectedDivorcedContext := interpreter frameCallerContext: interpreter stackPage baseFP. 5: 6: self assert: expectedDivorcedContext equals: aContext. make[2]: *** [CMakeFiles/PharoVMCore.dir/build.make:74: generated/vm/src/cogit.c] Error 1 make[1]: *** [CMakeFiles/Makefile2:291: CMakeFiles/PharoVMCore.dir/all] Error 2 make: *** [Makefile:156: all] Error 2 On Mon, 2023-09-04 at 10:47 +0200, Guillermo Polito wrote: > Hi Jan, > > could you share a link to the repo/commit youâre building? > > Have you tried with this tag? > > https://github.com/pharo-project/pharo-vm/tree/v8.6.1 > > G > > > El 1 sep. 2023, a las 14:32, Jan VranÃ½ <Jan.Vrany(a)labware.com> escribiÃ³: > > > > Hi, > > > > I'm trying (and failing) to (re)compile Pharo VM used for P8, more specifically > > this one (from `pharo -version): Date: Wed Feb 12 11:43:20 2020 CommitHash: 52202d8. > > I'm targeting linux on x86_64. > > > > Whether I use mvm (seems that it was used by Jenkins by then) or cmake I always end > > up having following errors (just a few, there're loads of them): > > > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: multiple definition of `debugCallbackInvokes'; vm/vm.a(gcc3x- > > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: first defined here > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: multiple definition of `checkForLeaks'; vm/vm.a(gcc3x- > > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: first defined here > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: multiple definition of `checkedPluginName'; vm/vm.a(gcc3x- > > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: first defined here > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: multiple definition of `checkAllocFiller'; vm/vm.a(gcc3x- > > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: first defined here > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: multiple definition of `breakLookupClassTag'; vm/vm.a(gcc3x- > > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: first defined here > > > > Does anyone have an idea? Is there a more detailed description of build > > environment to use? > > > > Thanks! Jan > > > > > > > > > >

Sept. 4, 2023

Re: Compiling Pharo VM used for P8

by Guillermo Polito

Hi Jan, could you share a link to the repo/commit youâre building? Have you tried with this tag? https://github.com/pharo-project/pharo-vm/tree/v8.6.1 G > El 1 sep. 2023, a las 14:32, Jan VranÃ½ <Jan.Vrany(a)labware.com> escribiÃ³: > > Hi, > > I'm trying (and failing) to (re)compile Pharo VM used for P8, more specifically > this one (from `pharo -version): Date: Wed Feb 12 11:43:20 2020 CommitHash: 52202d8. > I'm targeting linux on x86_64. > > Whether I use mvm (seems that it was used by Jenkins by then) or cmake I always end > up having following errors (just a few, there're loads of them): > > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: multiple definition of `debugCallbackInvokes'; vm/vm.a(gcc3x- > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: first defined here > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: multiple definition of `checkForLeaks'; vm/vm.a(gcc3x- > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: first defined here > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: multiple definition of `checkedPluginName'; vm/vm.a(gcc3x- > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: first defined here > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: multiple definition of `checkAllocFiller'; vm/vm.a(gcc3x- > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: first defined here > /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: multiple definition of `breakLookupClassTag'; vm/vm.a(gcc3x- > cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: first defined here > > Does anyone have an idea? Is there a more detailed description of build > environment to use? > > Thanks! Jan > > > > >

Sept. 4, 2023

Compiling Pharo VM used for P8

by Jan VranÃ½

Hi, I'm trying (and failing) to (re)compile Pharo VM used for P8, more specifically this one (from `pharo -version): Date: Wed Feb 12 11:43:20 2020 CommitHash: 52202d8. I'm targeting linux on x86_64. Whether I use mvm (seems that it was used by Jenkins by then) or cmake I always end up having following errors (just a few, there're loads of them): /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: multiple definition of `debugCallbackInvokes'; vm/vm.a(gcc3x- cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:377: first defined here /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: multiple definition of `checkForLeaks'; vm/vm.a(gcc3x- cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:376: first defined here /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: multiple definition of `checkedPluginName'; vm/vm.a(gcc3x- cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:375: first defined here /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: multiple definition of `checkAllocFiller'; vm/vm.a(gcc3x- cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:374: first defined here /usr/bin/ld: vm/vm.a(cogit.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: multiple definition of `breakLookupClassTag'; vm/vm.a(gcc3x- cointerp.o):/redacted/pharo-vm/spur64src/vm/cointerp.h:371: first defined here Does anyone have an idea? Is there a more detailed description of build environment to use? Thanks! Jan

Sept. 1, 2023