May 2014 - Pharo-users - lists.pharo.org

Re: [Pharo-users] Metacello with git

by Goubier Thierry

Hi, you can use gitfiletree (for Mac and Linux); you have to ensure ConfigurationOfGitFileTree is loaded in your configuration. Have a look at ConfigurationOfSmaCC and ConfigurationOfAltBrowser for examples (in the Pharo3 configuration browser). Thierry Le 19/05/2014 11:46, Laurent Laffont a Ã©crit : > Hi, > > How to specify a git filetree repository (but not github) in a Metacello > Configuration ? > > Laurent > -- Thierry Goubier CEA list Laboratoire des Fondations des SystÃ¨mes Temps RÃ©el EmbarquÃ©s 91191 Gif sur Yvette Cedex France Phone/Fax: +33 (0) 1 69 08 32 92 / 83 95

May 19, 2014

Re: [Pharo-users] Metacello with git

by Esteban Lorenzano

spec repository: âfiletree://relative-path-to-your-repository' is a bit annoying because you have to hardcode the directory but wellâ¦ I already asked for an override functionality in metacello, but still not implemented. Esteban On 19 May 2014, at 11:46, Laurent Laffont <laurent.laffont(a)gmail.com> wrote: > Hi, > > How to specify a git filetree repository (but not github) in a Metacello Configuration ? > > Laurent

May 19, 2014

Metacello with git

by Laurent Laffont

Hi, How to specify a git filetree repository (but not github) in a Metacello Configuration ? Laurent

May 19, 2014

Re: [Pharo-users] Class definition changes in change log

by stepharo

Hi Arturo May be you spot a bug, sadly. I remember that we got a problem in the past and I thought it was fixed. You can use Epicea the new and working change recording system developed by Martin Dias. Stef On 18/5/14 14:58, Arturo Zambrano wrote: > Hi All, > > Trying to recover lost changes from another (broken) image I noticed > that only method definition and do-it are saved. > > I'm in a middle of a refactoring where I changed hierarchies, renamed > classes and inst vars. > > When trying to recover the changes, class name changes are not there, > so most of the method changes are not applicable. > > I don't know if I am missing something important regarding how to > recover changes. I just dragged the old changes file onto my new image > and then browse the changes (where I can only see methods and do-its) > > As a work around I manually did all the class definition changes > (superclass, class name, > inst var names), and re run all the changes from the "Recent Changes" > window. As a result I recovered most of the work of the last night :) > (but I lost some time trying to figure out the problem) > > Is it OK that my changes file has not class definition changes? Am I > missing sth? This is the expected behavior when recovering the changes > from another image? > > > thanks > > best regards > > arturo >

May 19, 2014

Re: [Pharo-users] Slots

by ClÃ©ment Bera

2014-05-18 21:42 GMT+02:00 Johan Fabry <jfabry(a)dcc.uchile.cl>: > > I understand, thanks for the info. > > Let me simplify my question: Using slots is there a reasonably > straightforward way for me to intercept variable accesses in all methods > within a class? Yes. This is easy to do with slots. Basically you need to define your own slot and mark the instance variables you want to intercept to use this specific slot (in your case, all the instance variables). Then all instance variable access will be compiled with your indirection. This so that I can transparently redirect them to a dictionary lookup. Yes, you can do that with slots. However we were discussing about that recently with some VM guys, and this may be quite slow on our VM. One language that runs on our VM, NewSpeak, have similar features (indirection for all instance variable access) and it is difficult for them to have good performance. This dictionary lookup case is optimized in prototype-based language VMs (Self, Javascript). Usually for users it appears that there is an indirection with a dictionary, but the implementation does not rely on dictionary for performance. Or am I going to have to override instVarNamed: and hope that works always? > I guess you will also have to override instVarNamed: and/or instVarAt: if you want to catch reflexive instVar access. But that will never always work this method is only for reflective access. > On May 18, 2014, at 3:50 AM, ClÃ©ment Bera <bera.clement(a)gmail.com> wrote: > > > Hello, > > > > Actually slots are introduced so we can use them the next Pharo > iteration (Pharo 4). It is difficult to use as it is, you need to change a > bit the compiler so that it asks the class slots for field access byte code > generation (a field being typically an instance variable) and you also need > to improve the class builder in a way that you would have a class template > where you can set specific slot for each field. Then you can subclass slots > and use them. > > > > So I'd say there's a few work to do to use them, but if someone do this > work, it will be integrated for Pharo 4. > > > > Marcus, Camille, Martin, you know more than me about slots what do you > think ? > > > > > > 2014-05-17 23:36 GMT+02:00 Johan Fabry <jfabry(a)dcc.uchile.cl>: > > > > +1 on the question actually, I think it may help with some hacky stuff > that I am doing right now for my research :-) > > > > On May 17, 2014, at 5:10 PM, webwarrior <reg(a)webwarrior.ws> wrote: > > > > > So Pharo 3 is out, slots are listed in changelog, but how to use them? > Any > > > examples (those in paper don't work)? > > > > > > > > > > > > -- > > > View this message in context: > http://forum.world.st/Slots-tp4679183p4759385.html > > > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > > > > > > > > > > > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > > > Johan Fabry - http://pleiad.cl/~jfabry > > PLEIAD lab - Computer Science Department (DCC) - University of Chile > > > > > > > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD lab - Computer Science Department (DCC) - University of Chile > > >

May 19, 2014

Pain we forgot - No mention of Pharo

by S. Garth Holland

http://www.lighttable.com/2014/05/16/pain-we-forgot/ Newspeak is indirectly referenced, but no mention of Smalltalk until near the end of the article. Smalltalk does crop up in the comments. http://www.reddit.com/r/programming/comments/25tias/pain_we_forgot/ /Garth

May 18, 2014

Re: [Pharo-users] Slots

by Johan Fabry

I understand, thanks for the info. Let me simplify my question: Using slots is there a reasonably straightforward way for me to intercept variable accesses in all methods within a class? This so that I can transparently redirect them to a dictionary lookup. Or am I going to have to override instVarNamed: and hope that works always? On May 18, 2014, at 3:50 AM, ClÃ©ment Bera <bera.clement(a)gmail.com> wrote: > Hello, > > Actually slots are introduced so we can use them the next Pharo iteration (Pharo 4). It is difficult to use as it is, you need to change a bit the compiler so that it asks the class slots for field access byte code generation (a field being typically an instance variable) and you also need to improve the class builder in a way that you would have a class template where you can set specific slot for each field. Then you can subclass slots and use them. > > So I'd say there's a few work to do to use them, but if someone do this work, it will be integrated for Pharo 4. > > Marcus, Camille, Martin, you know more than me about slots what do you think ? > > > 2014-05-17 23:36 GMT+02:00 Johan Fabry <jfabry(a)dcc.uchile.cl>: > > +1 on the question actually, I think it may help with some hacky stuff that I am doing right now for my research :-) > > On May 17, 2014, at 5:10 PM, webwarrior <reg(a)webwarrior.ws> wrote: > > > So Pharo 3 is out, slots are listed in changelog, but how to use them? Any > > examples (those in paper don't work)? > > > > > > > > -- > > View this message in context: http://forum.world.st/Slots-tp4679183p4759385.html > > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > > > > > > > > ---> Save our in-boxes! http://emailcharter.org <--- > > Johan Fabry - http://pleiad.cl/~jfabry > PLEIAD lab - Computer Science Department (DCC) - University of Chile > > > ---> Save our in-boxes! http://emailcharter.org <--- Johan Fabry - http://pleiad.cl/~jfabry PLEIAD lab - Computer Science Department (DCC) - University of Chile

May 18, 2014

Class definition changes in change log

by Arturo Zambrano

Hi All, Trying to recover lost changes from another (broken) image I noticed that only method definition and do-it are saved. I'm in a middle of a refactoring where I changed hierarchies, renamed classes and inst vars. When trying to recover the changes, class name changes are not there, so most of the method changes are not applicable. I don't know if I am missing something important regarding how to recover changes. I just dragged the old changes file onto my new image and then browse the changes (where I can only see methods and do-its) As a work around I manually did all the class definition changes (superclass, class name, inst var names), and re run all the changes from the "Recent Changes" window. As a result I recovered most of the work of the last night :) (but I lost some time trying to figure out the problem) Is it OK that my changes file has not class definition changes? Am I missing sth? This is the expected behavior when recovering the changes from another image? thanks best regards arturo

May 18, 2014

Re: [Pharo-users] blog post explaining the codecity visualization of pharo changes

by Hilaire Fernandes

It is really a nice way to announce/talk smartly and originally on Pharo release out there. Thanks Hilaire Le 18/05/2014 09:52, Tudor Girba a Ã©crit : > Hi, > > I was asked several times for how the visualization from the Pharo 3.0 > announcement was created. I now put together a blog post to explain it: > http://www.humane-assessment.com/blog/communicating-changes-in-pharo-3-0 > > Cheers, > Doru > > -- > www.tudorgirba.com <http://www.tudorgirba.com> > > "Every thing has its own flow" -- Dr. Geo http://drgeo.eu

May 18, 2014

blog post explaining the codecity visualization of pharo changes

by Tudor Girba

Hi, I was asked several times for how the visualization from the Pharo 3.0 announcement was created. I now put together a blog post to explain it: http://www.humane-assessment.com/blog/communicating-changes-in-pharo-3-0 Cheers, Doru -- www.tudorgirba.com "Every thing has its own flow"

May 18, 2014