May 2020 - Pharo-users - lists.pharo.org

need help with workingDirectory...
by Russ Whaley May 26, 2020

May 26, 2020

I'm on MacOS 10.13.6, Pharo v9 (but have same issue on v8). When I want to get the directory where the current image was launched, I use the following: FileSystem workingDirectory The comments from this method are: "Returns a reference to the directory from where the image was launched" What I get (from Playground) is: FileSystem workingDirectory >>> File @ / Perhaps I am misunderstanding the comments? I can specifically tell Pharo where to find my files, but I have to then change code each time I change/update/upgrade images (across a number of applications). If there is no way, I'll move everything to a standard folder (outside the image) - this just made USB backups quick and easy to have everything in one folder... I can adapt :) Thanks, Russ -- Russ Whaley whaley.russ(a)gmail.com

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Re: [Pharo-users] Reintroducing code rewriting GUI
by stephan May 25, 2020

May 25, 2020

A first step: https://github.com/pharo-project/pharo/pull/6396

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UFFI counterpart to "C iterate over a arry through a pointer"
by ASAM May 25, 2020

May 25, 2020

Hello, I'm looking for help with the following problem. I try to get closer from the C point of view to the problem. //These are the structures typedef struct { unsigned int NumEntries; /* number of entries written to the pModuleData array */ MODULE_DATA *pModuleData; /* pointer to array containing module infos and module handles */ } MODULE; typedef struct { unsigned int ModuleTypeId; /* ModuleTypeId */ unsigned int hMod; /* handle Module assigned */ char *pVendorModuleName; /* Vendor specific information string. */ } MODULE_DATA; //this is a function that I call via FFI unsigned int errorCheck GetModuleIds(MODULE **pModuleIdList) { //memory will be allocated here and the structure will be filled. } Now my questions :-) I solve the pointer pointer problem with ExternalAddress and MODULE fromHandle: | result pointerAutoRelease mod| pointerAutoRelease := ExternalAddress new pointerAutoRelease. result := call ffiGetModuleIds: pointerAutoRelease. "inside Methode -> ffiGetModuleIds ^self ffiCall:#(uint32 GetModuleIds( void** pModuleIdList ) )" "result is unimportant for understanding the problem" mod := MODULE fromHandle: pointerAutoRelease. Is this a good way? Or is there a better solution? And now comes my main problem... How do I get my array( or Collection) from NumEntries and *pModuleData with ffi? So I would do it roughly in C. main(){ MODULE_DATA *pModuleData; MODULE *moduleIdList=NULL; unsigned int retval = GetModuleIds(&moduleIdList); printf("Number of modules: %d\n\n",moduleIdList->NumEntries); for (unsigned int i=0;i<moduleIdList->NumEntries;i++) { // Set a pointer to the current ModuleData pModuleData = &moduleIdList->pModuleData[i]; //is like iterate through a pointer //etc. ..... ... } } Thanks you for your help. -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html

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Reintroducing code rewriting GUI
by stephan May 25, 2020

May 25, 2020

A few weeks ago there was a post showing how to do code rewriting. | env rewriter changes | env := RBBrowserEnvironment default forPackages: (RPackageOrganizer default packages ). rewriter := RBParseTreeRewriter new. rewriter replace:'`@receiver detect: `@arg1 ifFound: [ :`arg2 | `arg2 ] ifNone: `@arg3' with: '`@receiver detect: `@arg1 ifNone: `@arg3'. changes := Array with: (RBSmalllintChecker runRule: (RBTransformationRule new rewriteRule: rewriter; yourself) onEnvironment: env ) builder. (ChangesBrowser changes: changes) open. We haven't had a GUI for that for a long time in Pharo. And most developers don't seem to be aware that we have this powerful tool. Nor are they aware of how to use it. It seems difficult to learn, seeing that it needs classes from: - Refactoring-Environment - RPackage-Core-Base - AST-Core-Matching - Refactoring-Critics - NautilusRefactoring-Utilities It is also not easy to find out how to just do a match, instead of a rewrite. Also, the patterns recognized are not the same as those in SmaCC, which is more powerful. When googling for code rewriting, I found - Smacc: https://www.slideshare.net/pharoproject/smack-behind-the-refactorings - The original rewrite tool: https://refactory.com/rewrite-tool/ - RewriteTool: https://github.com/jordanmontt/RewriteTool-Spec2 - MatchTool: https://github.com/jordanmontt/MatchTool-Spec2 I'd prefer to have the rewrite tools integrated in the standard Pharo image, as that makes it much more likely that they are used systematically. The original rewrite tool is not for Pharo, and RewriteTool and MatchTool can a.t.m. not be used to do the actual rewrites. I think porting the GUI from the original rewrite tool to Spec2, and then applying the improvements from MatchTool and RewriteTool is more likely to be effective, as it allows starting from working code. And also to do the development directly in pharo-project/pharo, not in a separate project, as that is unlikely to be kept up-to-date Stephan

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Re: [Pharo-users] Moving a Pharo window under Centos
by StÃ©phane Ducasse May 25, 2020

May 25, 2020

Hi michael pay attention because parallels is simulating so the crew here got some problems that there are low level difference and we had to have a windows machine for real. S. > > > From: Michael Burns <michaelburns(a)mac.com> > Subject: Moving a Pharo window under Centos > Date: 24 May 2020 at 22:51:54 CEST > To: "pharo-users(a)lists.pharo.org" <pharo-users(a)lists.pharo.org> > Cc: Michael Burns <michaelburns(a)mac.com> > > > Iâm trying out Pharo on Centos. > Since I donât have a spare PC that I can install Centos, I installed on my Mac under Parallels. > > Centos runs fine, and I was able to install latest Pharo 8.0. > > With any other windows under Centos I can grab the title bar, move it, then drop it where I like. > However, inside Pharo, any window I grab by the title bar, though it moves to follow my cursor, Does not drop when I let up on the mouse. > Iâm then stuck where all I can do is drag that window around but never drop it. > For some reason when I Cmd-tab away to a Mac App, then move the cursor back to Pharo it only rarely fixes the problem. > > Anybody else run Pharo under Centos, under Parallels? > > Anybody else seen this? > > Is there a fix or a workaround? > > > > -------------------------------------------- StÃ©phane Ducasse http://stephane.ducasse.free.fr / http://www.pharo.org 03 59 35 87 52 Assistant: Aurore Dalle FAX 03 59 57 78 50 TEL 03 59 35 86 16 S. Ducasse - Inria 40, avenue Halley, Parc Scientifique de la Haute Borne, BÃ¢t.A, Park Plaza Villeneuve d'Ascq 59650 France

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[ANN] Next Pharo Sprint: May 29
by Marcus Denker May 25, 2020

May 25, 2020

We will organize a Pharo sprint / Moose dojoMay 29 (this Friday) Goals of this sprint: - Fix issues from tracker https://github.com/pharo-project/pharo/issues This is a Remote Sprint, it happens on Discord. http://pharo.org/contribute-events We have added a Board to coordinate the work: https://github.com/orgs/pharo-project/projects/9 A list of all Pharo Event of the year an be found here: https://association.pharo.org/events

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A little help with EnterprisePharo book
by Jonathan van Alteren May 25, 2020

May 25, 2020

Hi all, I'd like to be able to build the EnterprisePharo book, so I might contribute to it with some improvements. However, the README seems to be out of date. The 'download.sh' file mentioned under 'Download Pillar' is not there. There's a 'subdownload.sh' file, but that doesn't do or output anything, and looking into it, the URL returns a 404 (https://raw.githubusercontent.com/pillar-markup/pillar/master/download.sh) So I manually cloned the pillar git project fromÂ https://github.com/pillar-markup/pillar. I checked out tag v7.7.4, since that was mentioned for Pharo booklets. Building that works, resulting in a pillar 'executable'. However, after installing MacText, executing 'pillar build pdf' fails with the message: FileDoesNotExistException: '/Users/jvalteren/git/EnterprisePharo/_support'. Looking at the structure created by the command 'pillar archetype book', it seems that '_support' is the new name for the 'support' folder that does. So, I created a symlink from '_support' to 'support' and tried building again, but that fails with the message: KeyNotFound: latexWriter. This seems to be related to the contents of the 'pillar.conf' file. Instead of trying to guess what's going on and try different things to fix this and get it built, I thought to reach out here :-) Can anyone tell me what to do so I can start making changes to the book? I'm on macOS Catalina by the way, so 64-bit only. Thanks! Jonathan van Alteren Founding Member | Object Guild B.V. Sustainable Software for Purpose-Driven Organizations jvalteren(a)objectguild.com

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Re: [Pharo-users] Pushing to GitHub repository from my iceberg repository is hung (beachball). How do I interrupt the process?
by StÃ©phane Ducasse May 25, 2020

May 25, 2020

Hi michael I discussed with guille and pablo and they told me that this happens to them from time to time and this is related to libgit. Guille said that they do not succeed to reproduce it. They hope that moving to libgit1.0 will fix that problem. We are worried about this and we would love to have a reproducible case. S

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[OffTopic] Software inventory software
by Santiago Bragagnolo May 25, 2020

May 25, 2020

Hi Everybody! Sorry for the offtopic. I am relying on the fact that I can find here people from different companies having the kind of problem we are suffering today. Can any body point me to a solution for software inventory? We are looking for a software that allow us to track down product/project information such as language, development dependancies, where is the code?, associated products, deployment dependancies, hardware / platform requirements ,etc. I have been searching on google and others without much success, mostly falling on products that solve partially the problematic, and that come with a large infrastructure to solve problems that we do not have. Such as system center et cia. Do you have any clue of good options for solving this problem? (Rather than having a document x product, that is what we have now). Santiago

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ExternalLibraryFunction(Object) can't find libgit2.so
by Michael Burns May 24, 2020

May 24, 2020

MacOS â> Parallels -> Centos â> Pharo 8.0 Iâm trying to import an empty repository in Iceberg. I created a repos on GitHub, then made a local clone in Terminal. Now, when importing I get a progress bar âImporting repository from /home/Michael/â¦ It makes no progress and I immediately get the debugger. The top of the stack is ExternalLibraryFunction(Object) and the message is: "<cdecl: long 'git_repository_open' (void* char*) module: '/home/michael/Pharo/vms/80-x64/lib/pharo/5.0-202002121043/libgit2.soâ> â self I see that yum has already installed libgit2.x86_64. But this is looking for the file in Pharoâs vms/80-x64, and it is there: [michael@localhost /]$ ls -l /home/michael/Pharo/vms/80-x64/lib/pharo/5.0-202002121043/libgit2.so -rw-r--r--. 1 michael michael 3203664 Feb 12 06:07 /home/michael/Pharo/vms/80-x64/lib/pharo/5.0-202002121043/libgit2.so Is there a workaround or a fix?

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