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roslyn2famix - C# importer
by Tudor Girba 22 May '18

22 May '18

Hi, We are happy to announce roslyn2famix, a C# importer. It is based on Roslyn, and was mainly developed by George Ganea. It is released under Apache 2.0, the same license as Roslyn: https://github.com/feenkcom/roslyn2famix The importer has a structure similar to the one of jdt2famix, including a Fame implementation in C#, and FAMIX code generated out of the Moose code. We also have a few CSharp specific entities that are already present in Moose-CSharp. The importer takes as input a C# solution (.sln), and produces an MSE file that can be loaded in the latest Moose. Cheers, The feenk team -- www.tudorgirba.com www.feenk.com "Be rather willing to give than demanding to get."

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C# importer ?
by Johan Fabry 18 May '18

18 May '18

Hi all, And now it looks like I will need to analyze a part of our own code, written in C#. Is there a parser for C# in Moose and if so, how extensive/solid is it? TIA -- Johan Fabry, Senior Software Engineer. johan(a)raincode.com | Email too brief? Here's why! http://emailcharter.org

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Column width in characters?
by Luke Gorrie 10 May '18

10 May '18

I would like to make my GTInspector views work well with different font sizes. In particular, some people find the default Pharo font too small and want to switch to a larger one. The main problem is that my tables have their column width specified in pixels. The values are chosen to make good use of screen space with the default font size, but it becomes unreadable with a larger font that doesn't fit. How should I solve this? The first idea that comes to mind is to invent my own units that are scaled according to system font size when converted to pixels. I wonder if there is a better known solution already though. Cheers! -Luke

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Re: [ann] gt diagrammer
by Tudor Girba 20 Apr '18

20 Apr '18

Hi, > On Apr 18, 2018, at 9:54 PM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: > > Hi Doru, > > Le 18/04/2018 à 06:45, Tudor Girba a écrit : >> Hi, >> Sorry for the late reply. I missed this email. >> BlInfiniteElement’s comment says: >> "I'm an element which is supposed to contain huge amount of children and layout only those of them that are visible inside my viewport. >> I work with DataSources to fetch data from and can present data within different Infinite Layouts.” > > Ok so this is a generalisation of the fasttable approach. > > I wanted to know if it could handle data sources where elements size is variable and unknown unless you render the element. Yes, it does: https://twitter.com/feenkcom/status/984744251920658432 >> It is used in both lists and in the text editor. > > Obvious, isn't it. A text is a list of lines... > >> I am not sure which variable you refer to by "currently processing a request”. Can you clarify? > > Can't find it, but must have been triggered when looking at variables like layoutRequestEaten. Yes, it seems like it. > > Interesting: found the cache used in the BLInfiniteElement (BlRecycler?). Also found a pool (BlInfinitePool) ? Couldn't find what it could be a pool of... Strange, you add things in the pool when you release them (so you fill the pool by releasing objects?). Looks like a LIFO stack to me. I am not quite sure what you mean by filling the pool by releasing objects. Can you explain? Also, I let Alex describe the details :) Doru > Regards, > > Thierry > >> Cheers, >> Doru >>> On Apr 9, 2018, at 3:54 PM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: >>> >>> The only way one can review it is to reverse engineer the whole code >>> base then. How much did you say? 2 peoples, how many months? >>> >>> A few questions then, after a cursory glance: >>> >>> - In what way an infinite BlElement is infinite? >>> - Why does an infinite BlElement has what seems to be a sort of >>> "currently processing a request" instance variable? >>> >>> Regards, >>> >>> Thierry >>> >>> 2018-04-09 14:08 GMT+02:00 Tudor Girba <tudor(a)tudorgirba.com>: >>>> Hi, >>>> >>>> We are doing that. We rewrote the system multiple times precisely because of these reasons. We could certainly do better, but I think that any meaningful conversation must happen around code, and we’d be happy to learn where we did not exploit all abstractions we could. Actually, I would be happy to even have a conversation about issues, even if the solution is not given. It can start by simply being pointed to code that does not sound right. >>>> >>>> Cheers, >>>> Doru >>>> >>>> >>>>> On Apr 9, 2018, at 1:04 PM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: >>>>> >>>>> 2018-04-09 12:00 GMT+02:00 Sven Van Caekenberghe <sven(a)stfx.eu>: >>>>>> >>>>>> >>>>>>> On 9 Apr 2018, at 11:36, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>> 2018-04-09 11:23 GMT+02:00 Aliaksei Syrel <alex.syrel(a)gmail.com>: >>>>>>> Hi, >>>>>>> >>>>>>> For the record, View class, a root class of all visual elements in Android 27 is 26'488 lines of code. It didn't hover prevent it from being used on more than 2 billion devices :) >>>>>>> >>>>>>> Remind me, please: what is the budget of Google for the ongoing maintenance of Android? >>>>>>> >>>>>>> The core of Bloc is just 14k lines of code. It would be nice to know how many lines of code should be considered too much, 5k, 7.43k or 10k. >>>>>>> >>>>>>> For a non-rendering core? 2k. >>>>>> >>>>>> I think that having a time/space efficient high quality well documented code base is definitively a goal, they are probably not there yet. >>>>>> >>>>>> Being the smallest out there is probably not a goal, nor is that a particularly interesting one, IMHO. >>>>> >>>>> Small means a real effort has been to: >>>>> >>>>> - not reimplement already available mechanisms, >>>>> >>>>> - build the most effective abstractions, >>>>> >>>>> - do not factor in unneeded customizations points, >>>>> >>>>> I value highly someone that try to reach thoses. >>>>> >>>>> Thierry >>>>> >>>>>>> Thierry >>>>>>> >>>>>>> >>>>>>> Cheers, >>>>>>> Alex >>>>>>> >>>>>>> On 9 April 2018 at 11:12, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: >>>>>>> >>>>>>> >>>>>>> 2018-04-09 11:02 GMT+02:00 Serge Stinckwich <serge.stinckwich(a)gmail.com>: >>>>>>> >>>>>>> >>>>>>> On Mon, Apr 9, 2018 at 9:54 AM, Thierry Goubier <thierry.goubier(a)gmail.com> wrote: >>>>>>> 2018-04-09 9:14 GMT+02:00 Tudor Girba <tudor(a)tudorgirba.com>: >>>>>>>> Hi, >>>>>>>> >>>>>>>> I think it might be more interesting to start the review from the usage of it, not from the internals. >>>>>>> >>>>>>> Well, from the usage of it, I've seen nothing that doesn't fit into >>>>>>> the yagt. I've seen that field evolve and try clever things, really >>>>>>> different things, and Bloc does not look like one of thoses. >>>>>>> >>>>>>>> Indeed, Bloc is primarily an engineering effort. But, there are a couple of things that make it rather different from other solutions. For example: >>>>>>>> - Only one rendering tree in all cases. This works also for graph visualizations that work with any element without imposing knowledge about edges in the base system. We think this is quite important, and especially when combined with a performant rendering, it can open new doors for UI design. >>>>>>> >>>>>>> Look, from the point of view of the man of the art, it doesn't seems >>>>>>> like a breakthrough. >>>>>>> >>>>>>> >>>>>>> Do we need a breakthrought for UI ? >>>>>>> No ! >>>>>>> We need something that works that's it, stable software with good documentation and tests. >>>>>>> After that people can build the next-UI if they want, but this is build on solid foundations. >>>>>>> >>>>>>> Agreed. And this is where it is critical. >>>>>>> >>>>>>> I used Morphic since Self 3.0, beginning of my PhD (1994, I think), followed it to the beginning of Squeak (1998). When I came back to Pharo in 2011, I was horrified by what it has became: a monster of thousands over thousands of buggy lines. >>>>>>> >>>>>>> And now I see a replacement, that, before going into production, is already at 45k lines? And with a planned, huge dependency on the GUI lib of another project? >>>>>>> >>>>>>> Do you imagine how it will be, 10 years down the line? >>>>>>> >>>>>>> Do you think it will be the stable foundation you're looking for? >>>>>>> >>>>>>> >>>>>>> >>>>>>> Compared to other smalltalk-based solutions, yes, it may be seen as an >>>>>>> improvement. >>>>>>> >>>>>>> I think you underestimate how advanced that field has been / is, and >>>>>>> how far behind the state of the art are industrial solutions. >>>>>>> >>>>>>> There is only one development in the Smalltalk space in GUI that is >>>>>>> worthy of interest for me: the anti-aliasing of Juan Vuletich. It >>>>>>> would have so much impact overall (remove all dependencies on external >>>>>>> libs, remove the need to do font anti-aliasing, scrap thousands of >>>>>>> lines of slow and ugly Smalltalk code, simplify the FreeType >>>>>>> infrastructure, remove MBs of external librairies, ensure long-term >>>>>>> porting ease / code evolution). >>>>>>> >>>>>>> M >>>>>>> aybe this was a breakthrought, but how many users ? >>>>>>> >>>>>>> Very few users. Juan has not yet implemented it. >>>>>>> >>>>>>> Regards, >>>>>>> >>>>>>> Thierry >>>>>>> >>>>>>> >>>>>>> >>>>>>> Regards, >>>>>>> -- >>>>>>> Serge Stinckwich >>>>>>> UMI UMMISCO 209 (SU/IRD/UY1) >>>>>>> "Programs must be written for people to read, and only incidentally for machines to execute." >>>>>>> http://www.doesnotunderstand.org/ >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Moose-dev mailing list >>>>>>> Moose-dev(a)list.inf.unibe.ch >>>>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Moose-dev mailing list >>>>>>> Moose-dev(a)list.inf.unibe.ch >>>>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Moose-dev mailing list >>>>>>> Moose-dev(a)list.inf.unibe.ch >>>>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Moose-dev mailing list >>>>>>> Moose-dev(a)list.inf.unibe.ch >>>>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>>>> >>>>>> _______________________________________________ >>>>>> Moose-dev mailing list >>>>>> Moose-dev(a)list.inf.unibe.ch >>>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>>> _______________________________________________ >>>>> Moose-dev mailing list >>>>> Moose-dev(a)list.inf.unibe.ch >>>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>>> >>>> -- >>>> www.tudorgirba.com >>>> www.feenk.com >>>> >>>> "We cannot reach the flow of things unless we let go." >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Moose-dev mailing list >>>> Moose-dev(a)list.inf.unibe.ch >>>> https://www.list.inf.unibe.ch/listinfo/moose-dev >>> _______________________________________________ >>> Moose-dev mailing list >>> Moose-dev(a)list.inf.unibe.ch >>> https://www.list.inf.unibe.ch/listinfo/moose-dev >> -- >> www.tudorgirba.com >> www.feenk.com >> "Things happen when they happen, >> not when you talk about them happening." >> _______________________________________________ >> Moose-dev mailing list >> Moose-dev(a)list.inf.unibe.ch >> https://www.list.inf.unibe.ch/listinfo/moose-dev -- www.tudorgirba.com www.feenk.com "Don't give to get. Just give."

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[ann] gt diagrammer
by Tudor Girba 18 Apr '18

18 Apr '18

Hi, We are happy to announce an initial version of GT Diagrammer, an engine for constructing diagrams interactively. This is the newest addition to the next generation GT built on Bloc. It looks like this: https://twitter.com/feenkcom/status/976341449267531776 We chose to work on Diagrammer for multiple reasons. First, developers often need to create hand built diagrams to communicate intentions, and an integrated experience should not require us to leave our environment to create them. At the same time, Diagrammer is an application that requires a widgets and interactions, and thus it is a nice exercise for Bloc and Brick. One requirement we had from the beginning was to make it work with any Bloc element. This means that the editing part had to be reasonably generic. To this end, we now have elements that can define visual editors. This is somewhat a combination between Magritte descriptions, and inspector extensions. An interesting side effect is that now we can edit visual properties when inspecting any element. In other words, we got the basic infrastructure of a UI painter. It looks like this: https://twitter.com/feenkcom/status/982656456968241152 The user interface essentially relies on two widgets: scrollable list and toggle button. While the visual look of the toggle button is inspired from material design, the most interesting part is that now we have an implementation for controlling looks per element instance. A key issue here is that looks can react to events coming from the element and inject visual attributes and possible even change behavior (for example, changing an icon while pressing a button). We will post more about looks soon. We now also have a nice solution for overlays. For example, we have an overlay showing selection and an overlay for resizing elements. Perhaps less obvious, Diagrammer also offers a basic infrastructure for the area of visual languages. As Diagrammer works with any Bloc elements, we can simply create dedicated visual elements. As an example, Diagrammer comes with an implementation of a UML class figure. Furthermore, as the functionality does not impose a specific model, custom language semantics can be mapped on visual actions. There are several things to do still for it to become a mature solution. An important next step is to serialize a diagram scene in a reproducible manner. Currently, the diagram (or any element) can be exported as pdf (https://twitter.com/feenkcom/status/976580153802358786), svg (https://twitter.com/feenkcom/status/976578060429484032), png, gif or jpeg by directly using the low level canvas. However, for the diagram to be truly useful we need to store the result in either code or another reloadable form such as STON. Other future directions are related to figure controlling (for example, custom anchors or line bending points) and to enhanced editors. To play with it, the easiest way is to download the new GT in a Pharo 6.1 image: Metacello new baseline: 'GToolkit'; repository: 'github://feenkcom/gtoolkit/src'; load. And then inspect: GtDiagrammerElement new Cheers, The feenk team -- www.tudorgirba.com www.feenk.com "Presenting is storytelling."

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C/Cpp parser
by Nicolas Anquetil 16 Apr '18

16 Apr '18

Synectique is openning the source code for a C/C++ parser based on Eclipse CDT. https://github.com/Synectique/VerveineC-Cpp.git The parser was developed as an Eclipse (Mars release) plugin and is under MIT licence. nicolas -- Nicolas Anquetil -- MCF (HDR) Project-Team RMod

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PetitParser2 is not loading from catalog in Pharo6.1
by Stéphane Ducasse 15 Apr '18

15 Apr '18

Hi guys Giovanni is in my office and telling that (and we verified it) that PetitParser2 cannot load from the catalog in Pharo 6.1 Stef -------------------------------------------- Stéphane Ducasse http://stephane.ducasse.free.fr http://www.synectique.eu / http://www.pharo.org 03 59 35 87 52 Assistant: Julie Jonas FAX 03 59 57 78 50 TEL 03 59 35 86 16 S. Ducasse - Inria 40, avenue Halley, Parc Scientifique de la Haute Borne, Bât.A, Park Plaza Villeneuve d'Ascq 59650 France

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How to get a GLMRubricTextPresentation with StandardFonts codeFont ?
by Johan Fabry 11 Apr '18

11 Apr '18

Hi all, I posted a question like this a week ago but had no response, so here we go, more explicitly: I would like a get a GLMRubricTextPresentation using the StandardFonts codeFont. I do not see how to configure this. The text is not ST so I cannot use the different ST presentations that are available. I have been looking for some time now, but cannot see a solution. Can anybody help me out? -- Johan Fabry, Senior Software Engineer. johan(a)raincode.com | Email too brief? Here's why! http://emailcharter.org

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Some simple questions
by Jannik Laval 10 Apr '18

10 Apr '18

Hello, I am defining my own metamodel, and I am using the MSE pragmas. I use <MSEProperty:type:opposite:> and <multivalued> I also see the pragma <derived>. Could you explain me what it is? And also, for example, in FAMIXReference>>target, there is a pragma <target> (same for <source>). Is it a specific pragma ? Is there a page explaining all the available pragmas ? Thanks a lot for your help Best regards, -- ~~Jannik Laval~~ Enseignant-chercheur http://www.jannik-laval.eu http://www.phratch.com http://www.approchealpes.info

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roassal question
by Nicolas Anquetil 10 Apr '18

10 Apr '18

This is one that I already had several times and could not find a proper answer: How to have nodes grouped in containers (e.g. classes in packages) and links from one inner node (i.e. a class) to another one possibly from a different container (e.g. inheritance links from one package to another one) ? nicolas -- Nicolas Anquetil RMod team -- Inria Lille

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