June 2010 - Pharo-dev - lists.pharo.org

[Pharo-project] [update 1.2] #12023

by StÃ©phane Ducasse

12023 ----- - Issue 2577: Duplicate primInitializeNetwork: method I found the bug in Scriptloader too :) Stef

June 28, 2010

Re: [Pharo-project] Xtreme Pharo hacker needed :)

by Johan Fabry

+1 on this. Marcus, we have to talk about Persephone when I'm visiting in Sept! On 28 Jun 2010, at 13:10, Marcus Denker wrote: > > On Jun 28, 2010, at 1:46 AM, Eliot Miranda wrote: > >> Note: The Cog VM crashes on TestObjectsAsMethods. >> >> Yes. I never tried to get this to work. How important is this to people? > > For Research: very. Lots of the experiments we did at SCG used this at least at some > stage of implementing the prototype: > > -> For the AOSTa experiments I looked at it originally > (see http://www.slideshare.net/MarcusDenker/diplom-vortrag-slides) > -> Persephone and therefore Reflectivity: http://scg.unibe.ch/research/reflectivity > -> ChangeBoxes used it: http://scg.unibe.ch/scgbib?query=Denk07c&display=abstract > -> I think ClassBoxes, too > -> The most commonly used implementation of MethodWrappers these days uses it > (and is *much* simpler than the method-compilation-stub-generating one) > > It's a quite nice way to hook into "method execution" without having to resort to compile a stub method. > If you need an "in-image" JIT of some sort, it provides a real nice way of doing this purely from the > image side (no VM change needed): > > http://scg.unibe.ch/scgbib?query=Denk07b&display=abstract > > I think Andreas originally suggested ObjectsAsMethods years ago and I then made sure that it was > integrated in the VM, as the AOStA experiments showed how powerful this can be for experiments. > > AOStA had to use a patched VM, then later persephone could run on a standard VM, which simplified things a lot... > > Yes, stub-methods can do anything (and with care can be faster), and having a good code-generation framework > simplified actually doing this a lot.... e.g. one can use bytesurgeon and do it on the level of bytecode. > (the paper uses MethodWrappers as an example: http://scg.unibe.ch/cgi-bin/scgbib.cgi/abstract=yes?Denk06a) > Or just the RB AST (with the code generator), maybe helped by Helvetia's quoting... > (more on Helevetia's quoting implementation: http://scg.unibe.ch/research/helvetia/languageboxes) > > Nut nevertheless: a MOP for method execution is very valuable not just from an implementation standpoint, even more > from a concepual / thinking point of view. Good MOPs provide a better way of *thinking*, they enable exploration. > > I always rated this as one of those changes that, while being simple, opened up a lot of space for experiments. > > And it showed to me the value of a platform where a change like this is integrated and not ignored. > > Marcus > > -- > Marcus Denker -- http://www.marcusdenker.de > INRIA Lille -- Nord Europe. Team RMoD. > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project -- Johan Fabry jfabry(a)dcc.uchile.cl - http://dcc.uchile.cl/~jfabry PLEIAD Lab - Computer Science Department (DCC) - University of Chile

June 28, 2010

Re: [Pharo-project] Xtreme Pharo hacker needed :)

by Marcus Denker

On Jun 28, 2010, at 1:46 AM, Eliot Miranda wrote: > Note: The Cog VM crashes on TestObjectsAsMethods. > > Yes. I never tried to get this to work. How important is this to people? For Research: very. Lots of the experiments we did at SCG used this at least at some stage of implementing the prototype: -> For the AOSTa experiments I looked at it originally (see http://www.slideshare.net/MarcusDenker/diplom-vortrag-slides) -> Persephone and therefore Reflectivity: http://scg.unibe.ch/research/reflectivity -> ChangeBoxes used it: http://scg.unibe.ch/scgbib?query=Denk07c&display=abstract -> I think ClassBoxes, too -> The most commonly used implementation of MethodWrappers these days uses it (and is *much* simpler than the method-compilation-stub-generating one) It's a quite nice way to hook into "method execution" without having to resort to compile a stub method. If you need an "in-image" JIT of some sort, it provides a real nice way of doing this purely from the image side (no VM change needed): http://scg.unibe.ch/scgbib?query=Denk07b&display=abstract I think Andreas originally suggested ObjectsAsMethods years ago and I then made sure that it was integrated in the VM, as the AOStA experiments showed how powerful this can be for experiments. AOStA had to use a patched VM, then later persephone could run on a standard VM, which simplified things a lot... Yes, stub-methods can do anything (and with care can be faster), and having a good code-generation framework simplified actually doing this a lot.... e.g. one can use bytesurgeon and do it on the level of bytecode. (the paper uses MethodWrappers as an example: http://scg.unibe.ch/cgi-bin/scgbib.cgi/abstract=yes?Denk06a) Or just the RB AST (with the code generator), maybe helped by Helvetia's quoting... (more on Helevetia's quoting implementation: http://scg.unibe.ch/research/helvetia/languageboxes) Nut nevertheless: a MOP for method execution is very valuable not just from an implementation standpoint, even more from a concepual / thinking point of view. Good MOPs provide a better way of *thinking*, they enable exploration. I always rated this as one of those changes that, while being simple, opened up a lot of space for experiments. And it showed to me the value of a platform where a change like this is integrated and not ignored. Marcus -- Marcus Denker -- http://www.marcusdenker.de INRIA Lille -- Nord Europe. Team RMoD.

June 28, 2010

Re: [Pharo-project] [update 1.2] #12020...#12022

by StÃ©phane Ducasse

I'm checking and may be I have a slight bug in the scriptLoader. I will try to investigate it. Stef On Jun 28, 2010, at 5:23 PM, StÃ©phane Ducasse wrote: > 12020 > ----- > - Issue-2448-WideStringDisplayMangled. Part one. Thanks Henrik > > 12021 > ----- > - Issue-2448-WideStringDisplayMangled. Part Two of slice, now with inst var in super, and refactored methods. > Part ONE (ie version 3) needs to be loaded before this one. > (ie. this is needs two separate patches). Thanks Henrik > > 12022 > ----- > - Issue 2597: Versions Browser diff checkboxes. Thanks Gary > > Stef > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

June 28, 2010

Re: [Pharo-project] [update 1.2] #12020...#12022

by StÃ©phane Ducasse

I'm checking and may be I have a slight bug in the scriptLoader. I will try to investigate it. Stef On Jun 28, 2010, at 5:23 PM, StÃ©phane Ducasse wrote: > 12020 > ----- > - Issue-2448-WideStringDisplayMangled. Part one. Thanks Henrik > > 12021 > ----- > - Issue-2448-WideStringDisplayMangled. Part Two of slice, now with inst var in super, and refactored methods. > Part ONE (ie version 3) needs to be loaded before this one. > (ie. this is needs two separate patches). Thanks Henrik > > 12022 > ----- > - Issue 2597: Versions Browser diff checkboxes. Thanks Gary > > Stef > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

June 28, 2010

[Pharo-project] squeak.org (and expecially source.squeak.org) is down - resolved

by Torsten Bergmann

FYI http://lists.squeakfoundation.org/pipermail/squeak-dev/2010-June/151637.html -- GRATIS fÃ¼r alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01

June 28, 2010

[Pharo-project] [update 1.2] #12020...#12022

by StÃ©phane Ducasse

12020 ----- - Issue-2448-WideStringDisplayMangled. Part one. Thanks Henrik 12021 ----- - Issue-2448-WideStringDisplayMangled. Part Two of slice, now with inst var in super, and refactored methods. Part ONE (ie version 3) needs to be loaded before this one. (ie. this is needs two separate patches). Thanks Henrik 12022 ----- - Issue 2597: Versions Browser diff checkboxes. Thanks Gary Stef

June 28, 2010

Re: [Pharo-project] amount of recheable objects from a root one?

by Noury Bouraqadi

On 27 juin 2010, at 14:41, Mariano Martinez Peck wrote: > Hi folks. I need to do something and I am a little lazy to do it. Maybe someone already did it and can share it with me. I want to take an object X. That object has references to other objects and I imagine that as a graph. > > I need to traverse the graph, and get the final amount of reachable objects from the object X. I mean, the size of that graph. I need to avoid cycles and not count objects already counted. Maybe I can reuse part of SmartRefStream? > Why not using ReferenceStream? It is supposed to handle your problem. Noury

June 28, 2010

Re: [Pharo-project] Panic

by StÃ©phane Ducasse

if you want this code in the next release it should be added in the bugtracker. Stef On Jun 28, 2010, at 4:28 PM, Mariano Abel Coca wrote: > In VAST the name is "Scrub Image". > > What it does is to remove all objects referenced from the UI by redrawing the Transcript and starting a new UI thread, and then making a global GC. That means letting only the global referenced objects alive. > > And here in Mercap we added a "Clean Image" button to also remove singletons and another junk stuff like test resources and seaside adaptors. > > Cheers, > > Mariano. > > > 2010/6/24 Mariano Martinez Peck <marianopeck(a)gmail.com> > > > 2010/6/24 Guillermo Polito <guillermopolito(a)gmail.com> > > Hi, > > I'm attaching a changeset with the "Close All Windows" menu item. I did it sending privateDelete to the windows, and I'm not sure if that's right, hehe. > > I have no idea. > > But it works and I put it where every other window menu item is. > > I would like someone to test it. Bah, Mariano already did it, but if someone else can I will be grateful:). > > Is there an open issue for this? I didn't find it. If there's not I can create it. > > > No, you will have to create it ;) > > > Cheers, > Guille > > > On Thu, Mar 25, 2010 at 2:58 PM, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: > +1 > > On Mar 25, 2010, at 6:28 PM, Oscar Nierstrasz wrote: > > > > > "Panic" does not suggest to me the actual intent. > > > > Some random ideas: > > - "close all" > > - "nuke" > > - "reset" > > - "clear" > > - "wipe" > > - "zap" > > - "tabula rasa" > > ... > > > > - on > > > > > > On Mar 24, 2010, at 22:23, Mariano Martinez Peck wrote: > > > >> I am not sure if Panic is the best name. Do you have better ideas? > > > > > > _______________________________________________ > > Pharo-project mailing list > > Pharo-project(a)lists.gforge.inria.fr > > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project

June 28, 2010

Re: [Pharo-project] Panic

by Mariano Abel Coca

In VAST the name is "Scrub Image". What it does is to remove all objects referenced from the UI by redrawing the Transcript and starting a new UI thread, and then making a global GC. That means letting only the global referenced objects alive. And here in Mercap we added a "Clean Image" button to also remove singletons and another junk stuff like test resources and seaside adaptors. Cheers, Mariano. 2010/6/24 Mariano Martinez Peck <marianopeck(a)gmail.com> > > > 2010/6/24 Guillermo Polito <guillermopolito(a)gmail.com> > > Hi, >> >> I'm attaching a changeset with the "Close All Windows" menu item. I did >> it sending privateDelete to the windows, and I'm not sure if that's right, >> hehe. > > > I have no idea. > > >> But it works and I put it where every other window menu item is. >> >> I would like someone to test it. Bah, Mariano already did it, but if >> someone else can I will be grateful:). >> >> Is there an open issue for this? I didn't find it. If there's not I can >> create it. >> >> > No, you will have to create it ;) > > > >> Cheers, >> Guille >> >> >> On Thu, Mar 25, 2010 at 2:58 PM, StÃ©phane Ducasse < >> stephane.ducasse(a)inria.fr> wrote: >> >>> +1 >>> >>> On Mar 25, 2010, at 6:28 PM, Oscar Nierstrasz wrote: >>> >>> > >>> > "Panic" does not suggest to me the actual intent. >>> > >>> > Some random ideas: >>> > - "close all" >>> > - "nuke" >>> > - "reset" >>> > - "clear" >>> > - "wipe" >>> > - "zap" >>> > - "tabula rasa" >>> > ... >>> > >>> > - on >>> > >>> > >>> > On Mar 24, 2010, at 22:23, Mariano Martinez Peck wrote: >>> > >>> >> I am not sure if Panic is the best name. Do you have better ideas? >>> > >>> > >>> > _______________________________________________ >>> > Pharo-project mailing list >>> > Pharo-project(a)lists.gforge.inria.fr >>> > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >>> >>> >>> _______________________________________________ >>> Pharo-project mailing list >>> Pharo-project(a)lists.gforge.inria.fr >>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >>> >> >> >> _______________________________________________ >> Pharo-project mailing list >> Pharo-project(a)lists.gforge.inria.fr >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >> > > > _______________________________________________ > Pharo-project mailing list > Pharo-project(a)lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >

June 28, 2010