Moose-dev July 2011

moose-dev@list.inf.unibe.ch

26 participants
178 discussions

by Tudor Girba

Hi Andre, I reviewed the Hismo changes you committed in your repo. Nice. Please publish them in the main repository. Cheers, Doru -- www.tudorgirba.com "If you interrupt the barber while he is cutting your hair, you will end up with a messy haircut."

12 years, 9 months

[Glamour] Building complex browsers

by Damien Cassou

Hi, I would like to create a code browser, where the top pane is a finder which adds a new pane when some clicks on a class name. The following code works fine except with interactions like: 1- select a class 2- select a selector of this class 3- select a class in the newly added pane This tries to display the source code of the class selected in step 3 for the selector of step 2 (which is wrong because selector of step 2 is only defined in the class of step 1). Can somebody help me please? The code is: |extTabulator finder intTabulator| intTabulator := GLMTabulator new column: #classes; column: #selectors; yourself. intTabulator transmit to: #classes; andShow: [:a | a list title: 'classes'; display: [:class | class allSuperclasses]]. intTabulator transmit from: #classes; to: #selectors; andShow: [:a | a list title: 'selectors'; display: [:class | class selectors]]. finder := GLMFinder new. finder custom: intTabulator. "Makes the finder add an new pane when selecting a class" intTabulator transmit from: #classes; toOutsidePort: #selection. extTabulator := GLMTabulator new row: #finder; row: #source; yourself. extTabulator transmit to: #finder; andShow: [:a | a custom: finder]. "Makes the internet tabulator exports the currently selected selector" intTabulator transmit from: #selectors; toOutsidePort: #selector. extTabulator transmit from: #finder; from: #finder port: #selector; to: #source; andShow: [:a | a text display: [:class :selector | class name, '>>', selector, String cr, ((class includesSelector: selector) ifTrue: ['ok'] ifFalse: ['ERROR: class does not have this selector!'])]]. extTabulator openOn: IdentitySet. -- Damien Cassou http://damiencassou.seasidehosting.st "Lambdas are relegated to relative obscurity until Java makes them popular by not having them." James Iry

12 years, 9 months

Re: PetitParser in VW

by Lukas Renggli

Hi Steffen, I reply to the Moose list (most PP action is going on there), because other people might be interested as well. On Wednesday, 20 July 2011, Steffen Märcker <merkste(a)web.de> wrote: > Hi Lukas, > > I've just had a look at PetitParser which seem pretty cool. However, using Visualworks, I wonder whether the visualization tools (e.g. grammar workbench) have been (going to be) portered, too. The tools are built on Glamour and Mondrian, and likely do not work with the older versions of these frameworks in VW. I have a similar problem with older Pharo images that do not support loading Glamour anymore. What you could do is to develop the grammars using a Moose image (they include the grammar workbench) and then export the package. Lukas -- Lukas Renggli www.lukas-renggli.ch

12 years, 9 months

[Mondrian] Can edges have text labels on them?

by Alex Schenkman

Hi list, Is it possible to put a text label to an edge? For example, I have two lines going from A to B, and I want to put a text on those two lines. A ----some text------ | B A ----another text ---| Ascii art, :-) Thanks!

12 years, 9 months

Re: Un Petit Haskell Parser

by Lukas Renggli

Hi Frank, I forward this to the Moose list (most PP action is going on there), because other people might be interested as well. On Wednesday, 20 July 2011, Frank Shearar <frank.shearar(a)gmail.com> wrote: > Hi Lukas, > > I've been playing around with PetitParser lately > (http://www.lshift.net/blog/2011/07/19/un-petit-haskell), and I > thought (a) I'd tell you about another happy user and (b) share a > trick, which you may already know. A println analogue for debugging > one's productions, occasionally useful when one runs too far ahead of > one's tests: > > PPParser>>debug: aString > ^ self ==> [:x | Transcript showln: ('{1} ({2})' format: {aString. x.}). x]. You might be also be interested in #>=> that passes you a continuation into the block, so it allows you to "debug" before and after the parse. I used it to write the Glamour-based debugger. Look at the tests for more details. > One problem I have found is that PetitStream doesn't work well > wrapping a (Squeak) FileStream. I had expected the following to just > work: > > FileStream > fileNamed: 'myFile' > do: [:f | HaskellParser new parse: f] > > but I currently have to read the entire file into a String and parse > that. I'm don't know if that's because of a difference between > Squeak's and Pharo's FileStream implementation or a problem in > PetitParer? It should work, but convert the stream to a PPStram using #asPetitStream. I cannot verify right now, because I don't have a computer accessible. Parsing directly on a filestream could potentially work (you might need to implement #uncheckedPeek) but will be dead slow (PP extensively uses #position: and #next to randomly acces the stream, as you can see on Figure 2 in http://scg.unibe.ch/archive/papers/Reng10cDynamicGrammars.pdf). Thanks for sharing your blog post and experience! Lukas -- Lukas Renggli www.lukas-renggli.ch

12 years, 9 months

Issue 684 in moose-technology: SubscriptOutOfBounds: 4

by moose-technology＠googlecode.com

Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 684 by vonbecm...(a)gmail.com: SubscriptOutOfBounds: 4 http://code.google.com/p/moose-technology/issues/detail?id=684 Moose version: 4.5 Pharo image: Pharo1.3a#13258 Virtual machine used: Croquet Closure Cog VM [CoInterpreter VMMaker-oscog.51] Platform Name: unix Class browser used (if applicable): OBSystemBrowserAdaptor Steps to reproduce: #. close all models #. select a model Actual Result: SubscriptOutOfBounds: 4 Expected Result: to open a model. * Type-Defect Attachments: PharoScreenshot.1.png 69.7 KB PharoDebug.log 4.7 KB

12 years, 9 months

Small problem in the Moose Book

by Simon Denier

Hi I noticed that the following page displays some garbage. Probably some kind of weird character? http://www.themoosebook.org/book/internals/petit-parser/operators -- Simon Denier

12 years, 9 months

Re: [Pharo-project] [update 1.3] #13287

by Tudor Girba

Thanks a lot! Glamour works on Seaside out of the box again :) Cheers, Doru On 18 Jul 2011, at 20:44, Lukas Renggli wrote: > Great, thank you for the quick fix. > > On Monday, 18 July 2011, Stéphane Ducasse <stephane.ducasse(a)inria.fr> wrote: >> >> 13287 >> ----- >> >> - Issue 4528: Exception on:fork: enhancement. Thanks Igor Stasenko and Lukas Renggli for the idea. >> >> - Issue 4529: Announcement delivery breaks if last subscriber is curtailed. Thanks Henrik Johanssen. >> > > -- > Lukas Renggli > www.lukas-renggli.ch > -- www.tudorgirba.com "Some battles are better lost than fought."

12 years, 9 months

Issue 676 in moose-technology: glamour seaside no longer works with last moose version

by moose-technology＠googlecode.com

Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 676 by cy.delau...(a)gmail.com: glamour seaside no longer works with last moose version http://code.google.com/p/moose-technology/issues/detail?id=676 If you take the latest dev , then evaluate: * Gofer new squeaksource: 'Glamour'; package: 'ConfigurationOfGlamourSeaside'; load. * ConfigurationOfGlamourSeaside loadDefault. * WAKom startOn: 8080 Then if you make your web browser pointing at: http://localhost:8080/glamour/ You will see that none the provided examples works. By just seeing quickly the 'on:fork:' in the stack trace, I guess it could be related to the recent changes with announcements (and so painfull to debug :( )

12 years, 9 months

Howto tell Browser that the model has changed

by Alex Schenkman

Hi list, I'd like to tell a browser to refresh, but keeping the selections. Is this possible? Where should I look? This is to be able to show a live feed of events. Thanks in advance!

12 years, 9 months

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Moose-dev July 2011