October 2011 - Pharo-users - lists.pharo.org

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by StÃ©phane Ducasse

On Oct 11, 2011, at 1:08 PM, Bernat Romagosa wrote: > Maybe I didn't understand right, but what you mean is that Pharo is going to end being free of charge for people who use it commercially? not at all. I never say that or even think about it. We are talking about consortium participation. The all point is how can we make sure that as a community we structure ourselves and put money or time on the table. > If so, the fees you propose for single-person companies and small companies look a little bit high to me... I would at least make them depend on the benefits or some other kind of deal. Last year I was trying to set up a small company (a dev + a designer) with a friend of mine, and a fee of 2500â¬ would have definitely been a big barrier for us... We should find successful small companies :) After we should have a free moral license so that companies can contribute. > Also, you need to make very clear how frequently is the company supposed to pay the fee is it one single payment for life, monthly, yearly? good points. yearly. Stef > > Cheers, > > 2011/10/11 StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> > > On Oct 11, 2011, at 8:20 AM, Davorin Rusevljan wrote: > > > On Mon, Oct 10, 2011 at 9:09 PM, StÃ©phane Ducasse > > <stephane.ducasse(a)inria.fr> wrote: > >> There some strings attached: We will not be able to pay remote development since this is regulated under the public market french laws > >> but we will be able to hire people (on french rate if they work in France). We will have to see the legal period to spent the money. > > > > this restriction applies to 50k Euro given by INRIA, or to total money > > collected from all members of consortium? > > All money because it will be managed by INRIA as any other INRIA projects (like our team) and we are all following these rules: > this is not that we cannot but it means that > - we have to spend 2/4-8 weeks to write done what we want > - it will be published in the journal official > - companies will be able to bid > - then there is a selection phase > - then you get the work started to the get done > The problem is that this is lengthly and you have control the result > > Now depending on the situation and the money collected we will be able to hire people but they will have to be located in france. > > This is why if the consortium is successful (which we hope) the idea is to get out of INRIA > but this means that there is nothing like a free lunch > - specific accountant > - balblbaabablabl > - and more > > Do not hesitate to ask question. > > Stef > > > > > Davorin Rusevljan > > http://www.cloud208.com/ > > > > > > > > -- > Bernat Romagosa.

Oct. 11, 2011

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by Bernat Romagosa

Maybe I didn't understand right, but what you mean is that Pharo is going to end being free of charge for people who use it commercially? If so, the fees you propose for single-person companies and small companies look a little bit high to me... I would at least make them depend on the benefits or some other kind of deal. Last year I was trying to set up a small company (a dev + a designer) with a friend of mine, and a fee of 2500â¬ would have definitely been a big barrier for us... Also, you need to make very clear how frequently is the company supposed to pay the fee is it one single payment for life, monthly, yearly? Cheers, 2011/10/11 StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> > > On Oct 11, 2011, at 8:20 AM, Davorin Rusevljan wrote: > > > On Mon, Oct 10, 2011 at 9:09 PM, StÃ©phane Ducasse > > <stephane.ducasse(a)inria.fr> wrote: > >> There some strings attached: We will not be able to pay remote > development since this is regulated under the public market french laws > >> but we will be able to hire people (on french rate if they work in > France). We will have to see the legal period to spent the money. > > > > this restriction applies to 50k Euro given by INRIA, or to total money > > collected from all members of consortium? > > All money because it will be managed by INRIA as any other INRIA projects > (like our team) and we are all following these rules: > this is not that we cannot but it means that > - we have to spend 2/4-8 weeks to write done what we want > - it will be published in the journal official > - companies will be able to bid > - then there is a selection phase > - then you get the work started to the get done > The problem is that this is lengthly and you have control > the result > > Now depending on the situation and the money collected we will be able to > hire people but they will have to be located in france. > > This is why if the consortium is successful (which we hope) the idea is to > get out of INRIA > but this means that there is nothing like a free lunch > - specific accountant > - balblbaabablabl > - and more > > Do not hesitate to ask question. > > Stef > > > > > Davorin Rusevljan > > http://www.cloud208.com/ > > > > > -- Bernat Romagosa.

Oct. 11, 2011

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by StÃ©phane Ducasse

On Oct 11, 2011, at 8:20 AM, Davorin Rusevljan wrote: > On Mon, Oct 10, 2011 at 9:09 PM, StÃ©phane Ducasse > <stephane.ducasse(a)inria.fr> wrote: >> There some strings attached: We will not be able to pay remote development since this is regulated under the public market french laws >> but we will be able to hire people (on french rate if they work in France). We will have to see the legal period to spent the money. > > this restriction applies to 50k Euro given by INRIA, or to total money > collected from all members of consortium? All money because it will be managed by INRIA as any other INRIA projects (like our team) and we are all following these rules: this is not that we cannot but it means that - we have to spend 2/4-8 weeks to write done what we want - it will be published in the journal official - companies will be able to bid - then there is a selection phase - then you get the work started to the get done The problem is that this is lengthly and you have control the result Now depending on the situation and the money collected we will be able to hire people but they will have to be located in france. This is why if the consortium is successful (which we hope) the idea is to get out of INRIA but this means that there is nothing like a free lunch - specific accountant - balblbaabablabl - and more Do not hesitate to ask question. Stef > > Davorin Rusevljan > http://www.cloud208.com/ >

Oct. 11, 2011

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by Davorin Rusevljan

On Mon, Oct 10, 2011 at 9:09 PM, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: > There some strings attached: We will not be able to pay remote development since this is regulated under the public market french laws > but we will be able to hire people (on french rate if they work in France). Â We will have to see the legal period to spent the money. this restriction applies to 50k Euro given by INRIA, or to total money collected from all members of consortium? Davorin Rusevljan http://www.cloud208.com/

Oct. 11, 2011

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by Mariano Martinez Peck

Excellent news! On Mon, Oct 10, 2011 at 9:09 PM, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr > wrote: > Hello everybody > > We got a final discussion with INRIA representatives and we will now set up > a consortium for pharo. > INRIA will support the consortium by funding on advanced engineer for a > year (may be two if the > consortium work well). So this is quite good around 55Keuros on consortium. > > There some strings attached: We will not be able to pay remote development > since this is regulated under the public market french laws > but we will be able to hire people (on french rate if they work in France). > We will have to see the legal period to spent the money. > > The general idea is to see how the consortium evolves: ideally we would > like to see if we can get it outside inria within a five years > period. > > Now what we plan to do: > - We would like to make the list of companies that sign the > agreement letter public. > Because this is important that other companies joins the consortium. > > - We will offer a free participation to any individual. > > - We are wondering if we could have a academic fee for the > institution that want it: > we have to discuss the fee. Any suggestions would be good: I was > thinking that 500 Euros would be good for rich countries > and 200 for the other ones. Now tell us. > > - We could also have way to pay a license or a way to give money to > the consortium. > > Now the complex part: > - we would like to collect money from companies and again we will > need your help > to understand what is the correct model. > We are thinking: > single person company: starting at 300 Euros > "small company": starting at 2500 Euros > large companies: starting at 5000 Euros. > > We would like to keep the model really simple and transparent. > > Now our goal is to be able to pay an engineer like igor full time because > there is so much to do. > But each day we get closer to what we want. > > Stef and Marcus. > > > -- Mariano http://marianopeck.wordpress.com

Oct. 10, 2011

Re: [Pharo-users] Pharo Consortium News: let's make it real.

by Luc Fabresse

Hi Guys, 2011/10/10 StÃ©phane Ducasse <stephane.ducasse(a)inria.fr>: > Hello everybody > > We got a final discussion with INRIA representatives and we will now set up a consortium for pharo. > INRIA will support the consortium by funding on advanced engineer for a year (may be two if the > consortium work well). So this is quite good around 55Keuros on consortium. That is a really good news! Thanks Guys to keep pushing in this direction. Luc > > There some strings attached: We will not be able to pay remote development since this is regulated under the public market french laws > but we will be able to hire people (on french rate if they work in France). Â We will have to see the legal period to spent the money. > > The general idea is to see how the consortium evolves: ideally we would like to see if we can get it outside inria within a five years > period. > > Now what we plan to do: > Â Â Â Â - We would like to make the list of companies that sign the agreement letter public. > Â Â Â Â Because this is important that other companies joins the consortium. > > Â Â Â Â - We will offer a free participation to any individual. > > Â Â Â Â - We are wondering if we could have a academic fee for the institution that want it: > Â Â Â Â we have to discuss the fee. Any suggestions would be good: I was thinking that 500 Euros would be good for rich countries > Â Â Â Â and 200 for the other ones. Now tell us. > > Â Â Â Â - We could also have way to pay a license or a way to give money to the consortium. > > Now the complex part: > Â Â Â Â - we would like to collect money from companies and again we will need your help > Â Â Â Â to understand what is the correct model. > Â Â Â Â Â Â Â Â We are thinking: > Â Â Â Â Â Â Â Â Â Â Â Â single person company: starting at 300 Euros > Â Â Â Â Â Â Â Â Â Â Â Â "small company": starting at 2500 Euros > Â Â Â Â Â Â Â Â Â Â Â Â large companies: starting at 5000 Euros. > > Â Â Â Â We would like to keep the model really simple and transparent. > > Now our goal is to be able to pay an engineer like igor full time because there is so much to do. > But each day we get closer to what we want. > > Stef and Marcus. > > >

Oct. 10, 2011

Pharo Consortium News: let's make it real.

by StÃ©phane Ducasse

Hello everybody We got a final discussion with INRIA representatives and we will now set up a consortium for pharo. INRIA will support the consortium by funding on advanced engineer for a year (may be two if the consortium work well). So this is quite good around 55Keuros on consortium. There some strings attached: We will not be able to pay remote development since this is regulated under the public market french laws but we will be able to hire people (on french rate if they work in France). We will have to see the legal period to spent the money. The general idea is to see how the consortium evolves: ideally we would like to see if we can get it outside inria within a five years period. Now what we plan to do: - We would like to make the list of companies that sign the agreement letter public. Because this is important that other companies joins the consortium. - We will offer a free participation to any individual. - We are wondering if we could have a academic fee for the institution that want it: we have to discuss the fee. Any suggestions would be good: I was thinking that 500 Euros would be good for rich countries and 200 for the other ones. Now tell us. - We could also have way to pay a license or a way to give money to the consortium. Now the complex part: - we would like to collect money from companies and again we will need your help to understand what is the correct model. We are thinking: single person company: starting at 300 Euros "small company": starting at 2500 Euros large companies: starting at 5000 Euros. We would like to keep the model really simple and transparent. Now our goal is to be able to pay an engineer like igor full time because there is so much to do. But each day we get closer to what we want. Stef and Marcus.

Oct. 10, 2011

Re: [Pharo-users] Loading Seaside 3.0 cripples System browser

by Charles Monteiro

> > When you see messages complaining about missing dependencies you have to be > aware that things are not likely to be functional when the load finishes > ... Yes, Dale, I understand that. I was only hoping it was stuff I didn't care about :). I have to say that every time I decide to play with Squeak I almost invariably have been unlucky and I encounter pre-req issues. Need to play with it more , I'm sure I don't have a properly large sample set to make any conclusions. Anywho, let me be more detailed : Indeed, we are dealing with 3.0.6 see here: http://screencast.com/t/8bdHUciSw2S First pre-req error: http://screencast.com/t/obXFJ3vqO8p After proceeding thru error, second pre-req error: http://screencast.com/t/icYwj2JhP and for those that care, the pre-req loading issues have for one affected the browser so: http://screencast.com/t/B4MiitcZ re: Seaside I was able to setup an adaptor thru the Seaside control panel , and confirmed I could get to it via a browser , Seaside counter app worked fine. I'm also able to pop a class browser thru Seaside. Let me know what I should do , thanks -Charles On Fri, Oct 7, 2011 at 12:04 AM, Dale Henrichs [via Smalltalk] < ml-node+s1294792n3880902h28(a)n4.nabble.com> wrote: > Charles, > > I seem to remember that there was an issue revolving around latestVersion, > so out of curiosity what is the result of printing: > > ((Smalltalk at: #ConfigurationOfSeaside30) project latestVersion) > > If it is not 3.0.6 then try an explicit load of version 3.0.6... > > ((Smalltalk at: #ConfigurationOfSeaside30) project version: '3.0.6') load > > > If it is 3.0.6 then that is curious because when 3.0.6 was released it > loaded cleanly into Pharo 1.3 (that was current at the time) .... Presumably > the configurations have changed since then in such a way to break the > Seaside load on Pharo1.3 ... I looked on the Pharo Jenkins server but > apparently Pharo1.3 is no longer tested? So it's not possible to tell when > the problem might have been introduced... > > When you see messages complaining about missing dependencies you have to be > aware that things are not likely to be functional when the load finishes ... > > > I think there have been some recent issues with the RFB configuration so > presumably all of the problems haven't been ironed out yet. > > Dale > > ----- Original Message ----- > | From: "Charles Monteiro" <[hidden email]<http://user/SendEmail.jtp?type=node&node=3880902&i=0>> > > | To: [hidden email]<http://user/SendEmail.jtp?type=node&node=3880902&i=1> > | Sent: Thursday, October 6, 2011 8:01:24 PM > | Subject: [Pharo-users] Loading Seaside 3.0 cripples System browser > | > | I downloaded the Pharo 1.3 one click. > | > | I then attempted to load Seaside using the following mechanism: > | > | Gofer new > | squeaksource: 'MetacelloRepository'; > | package: 'ConfigurationOfSeaside30'; > | load. > | > | ((Smalltalk at: #ConfigurationOfSeaside30) project latestVersion) > | load. > | > | It complained twice about some package dependencies i.e. related to > | RBxxx > | packages. I proceeded through both and it seemingly terminated fine. > | Seaside > | was loaded including the Seaside control panel. However, doing a > | right mouse > | over the leftmost panel (Categories) resulted in an MNU. Also stuff > | like > | syntax highlighting became inactive. > | > | Is there a way to load the latest and greatest Seaside into Pharo 1.3 > | with > | "all" pre-req dependencies resolved ? i.e. how can I load Seaside > | clean ? > | > | > | thanks in advance > | > | -Charles > | > | -- > | View this message in context: > | > http://forum.world.st/Loading-Seaside-3-0-cripples-System-browser-tp3880813… > | Sent from the Pharo Smalltalk Users mailing list archive at > | Nabble.com. > | > | > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://forum.world.st/Loading-Seaside-3-0-cripples-System-browser-tp3880813… > To unsubscribe from Loading Seaside 3.0 cripples System browser, click > here<http://forum.world.st/template/NamlServlet.jtp?macro=unsubscribe_by_code&no…>. > > -- Charles A. Monteiro www.monteirosfusion.com sent from the road -- View this message in context: http://forum.world.st/Loading-Seaside-3-0-cripples-System-browser-tp3880813… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Oct. 7, 2011

Re: [Pharo-users] Loading Seaside 3.0 cripples System browser

by Dale Henrichs

Charles, I seem to remember that there was an issue revolving around latestVersion, so out of curiosity what is the result of printing: ((Smalltalk at: #ConfigurationOfSeaside30) project latestVersion) If it is not 3.0.6 then try an explicit load of version 3.0.6... ((Smalltalk at: #ConfigurationOfSeaside30) project version: '3.0.6') load If it is 3.0.6 then that is curious because when 3.0.6 was released it loaded cleanly into Pharo 1.3 (that was current at the time) .... Presumably the configurations have changed since then in such a way to break the Seaside load on Pharo1.3 ... I looked on the Pharo Jenkins server but apparently Pharo1.3 is no longer tested? So it's not possible to tell when the problem might have been introduced... When you see messages complaining about missing dependencies you have to be aware that things are not likely to be functional when the load finishes ... I think there have been some recent issues with the RFB configuration so presumably all of the problems haven't been ironed out yet. Dale ----- Original Message ----- | From: "Charles Monteiro" <charles(a)nycsmalltalk.org> | To: pharo-users(a)lists.gforge.inria.fr | Sent: Thursday, October 6, 2011 8:01:24 PM | Subject: [Pharo-users] Loading Seaside 3.0 cripples System browser | | I downloaded the Pharo 1.3 one click. | | I then attempted to load Seaside using the following mechanism: | | Gofer new | squeaksource: 'MetacelloRepository'; | package: 'ConfigurationOfSeaside30'; | load. | | ((Smalltalk at: #ConfigurationOfSeaside30) project latestVersion) | load. | | It complained twice about some package dependencies i.e. related to | RBxxx | packages. I proceeded through both and it seemingly terminated fine. | Seaside | was loaded including the Seaside control panel. However, doing a | right mouse | over the leftmost panel (Categories) resulted in an MNU. Also stuff | like | syntax highlighting became inactive. | | Is there a way to load the latest and greatest Seaside into Pharo 1.3 | with | "all" pre-req dependencies resolved ? i.e. how can I load Seaside | clean ? | | | thanks in advance | | -Charles | | -- | View this message in context: | http://forum.world.st/Loading-Seaside-3-0-cripples-System-browser-tp3880813… | Sent from the Pharo Smalltalk Users mailing list archive at | Nabble.com. | |

Oct. 7, 2011

Loading Seaside 3.0 cripples System browser

by Charles Monteiro

I downloaded the Pharo 1.3 one click. I then attempted to load Seaside using the following mechanism: Gofer new squeaksource: 'MetacelloRepository'; package: 'ConfigurationOfSeaside30'; load. ((Smalltalk at: #ConfigurationOfSeaside30) project latestVersion) load. It complained twice about some package dependencies i.e. related to RBxxx packages. I proceeded through both and it seemingly terminated fine. Seaside was loaded including the Seaside control panel. However, doing a right mouse over the leftmost panel (Categories) resulted in an MNU. Also stuff like syntax highlighting became inactive. Is there a way to load the latest and greatest Seaside into Pharo 1.3 with "all" pre-req dependencies resolved ? i.e. how can I load Seaside clean ? thanks in advance -Charles -- View this message in context: http://forum.world.st/Loading-Seaside-3-0-cripples-System-browser-tp3880813… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Oct. 7, 2011

Re: [Pharo-users] Loading syntax highlighter in Pharo 1.3

by Charles Monteiro

hi, again. I downloaded from Jenkins this: http://jenkins.lukas-renggli.ch/job/Seaside%203.0/ just to verify, the resulting Seaside enabled image is running under the CogVM ? thanks -Charles On Thu, Oct 6, 2011 at 8:38 PM, Charles Monteiro <charles(a)nycsmalltalk.org>wrote: > thank you very much, will check that out shortly. > > > On Thu, Oct 6, 2011 at 4:36 PM, Sven Van Caekenberghe [via Smalltalk] < > ml-node+s1294792n3879880h46(a)n4.nabble.com> wrote: > >> Hi Charles, >> >> The Pharo One Click downloads from 1.3 up use the Cog VM out of the box. >> >> Also, you can get nice pre-build Pharo based Seaside images from Lukas' >> Jenkins server, including One Click variants: >> >> http://jenkins.lukas-renggli.ch/ >> >> I am currently using that one for 1.3 and it has syntax highlighting and >> completion working. >> >> HTH, >> >> Sven >> >> On 06 Oct 2011, at 21:16, Charles Monteiro wrote: >> >> > sorry for the newbie question but I pop myself in here once in a while. >> Just >> > downloaded Pharo 1.3 but decided to not use the one click since I wanted >> to >> > use the Cog VM. After loading Seaside from Squeak Source , which gave me >> a >> > couple pre-req missing warnings which I proceeded thru (not of >> relevance), I >> > began browsing around and noticed that the syntax highlighter was not >> loaded >> > or active. >> > >> > What do I have to do to get syntax highlighting back on ? >> > >> > thanks >> > >> > -Charles >> > >> > -- >> > View this message in context: >> http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… >> > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >> > >> >> >> >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> >> http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… >> To unsubscribe from Loading syntax highlighter in Pharo 1.3, click here<http://forum.world.st/template/NamlServlet.jtp?macro=unsubscribe_by_code&no…>. >> >> > > > > -- > Charles A. Monteiro > www.monteirosfusion.com > sent from the road > -- Charles A. Monteiro www.monteirosfusion.com sent from the road -- View this message in context: http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p388… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Oct. 7, 2011

Re: [Pharo-users] Loading syntax highlighter in Pharo 1.3

by Charles Monteiro

thank you very much, will check that out shortly. On Thu, Oct 6, 2011 at 4:36 PM, Sven Van Caekenberghe [via Smalltalk] < ml-node+s1294792n3879880h46(a)n4.nabble.com> wrote: > Hi Charles, > > The Pharo One Click downloads from 1.3 up use the Cog VM out of the box. > > Also, you can get nice pre-build Pharo based Seaside images from Lukas' > Jenkins server, including One Click variants: > > http://jenkins.lukas-renggli.ch/ > > I am currently using that one for 1.3 and it has syntax highlighting and > completion working. > > HTH, > > Sven > > On 06 Oct 2011, at 21:16, Charles Monteiro wrote: > > > sorry for the newbie question but I pop myself in here once in a while. > Just > > downloaded Pharo 1.3 but decided to not use the one click since I wanted > to > > use the Cog VM. After loading Seaside from Squeak Source , which gave me > a > > couple pre-req missing warnings which I proceeded thru (not of > relevance), I > > began browsing around and noticed that the syntax highlighter was not > loaded > > or active. > > > > What do I have to do to get syntax highlighting back on ? > > > > thanks > > > > -Charles > > > > -- > > View this message in context: > http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… > > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > > > > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… > To unsubscribe from Loading syntax highlighter in Pharo 1.3, click here<http://forum.world.st/template/NamlServlet.jtp?macro=unsubscribe_by_code&no…>. > > -- Charles A. Monteiro www.monteirosfusion.com sent from the road -- View this message in context: http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p388… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Oct. 7, 2011

Re: [Pharo-users] Create object model from AST using visitor

by Lukas Renggli

> Do you have some pointers to classes and methods. I have trouble finding a > visitor that does this on a bigger structure. RBProgramNodeVisitor>>#visitNode:, RBProgramNode>>#acceptVisitor: and its subclass implementors. The only part of the code that is using the return value of #visitNode: is RBParseTreeSearcher and RBParseTreeRewriter. Maybe they are a bit complicated examples, because the new tree nodes are not built/modified in the visitor itself but in the matching rules triggered in #performSearches:on:. The matching rules then start new visitors for the child nodes, if necessary. A more strait-forward implementation of what you are looking for can be found in PPNodeFormatter of the package 'PrettyPetit' in the PetitParser repository. PPNodeFormatter is a subclass of RBProgramNodeVisitor and it converts the standard RB AST to a layout box model AST for formatting. There you see that for each RB AST node one or more document nodes are composed and returned. The parent-child relationship is setup automatically when composing the objects (in this example only one way, but you could change that to also include the link from the child to the parent). Lukas -- Lukas Renggli www.lukas-renggli.ch

Oct. 6, 2011

Re: [Pharo-users] Create object model from AST using visitor

by Norbert Hartl

Am 06.10.2011 um 17:48 schrieb Lukas Renggli: > The refactoring engine essentially does that. The visitor is a big > #collect: over the AST and each visit-method returns a new/modified > element. I think this is the most natural thing to do in most cases. Do you have some pointers to classes and methods. I have trouble finding a visitor that does this on a bigger structure. thanks, Norbert

Oct. 6, 2011

Re: [Pharo-users] Loading syntax highlighter in Pharo 1.3

by Sven Van Caekenberghe

Hi Charles, The Pharo One Click downloads from 1.3 up use the Cog VM out of the box. Also, you can get nice pre-build Pharo based Seaside images from Lukas' Jenkins server, including One Click variants: http://jenkins.lukas-renggli.ch/ I am currently using that one for 1.3 and it has syntax highlighting and completion working. HTH, Sven On 06 Oct 2011, at 21:16, Charles Monteiro wrote: > sorry for the newbie question but I pop myself in here once in a while. Just > downloaded Pharo 1.3 but decided to not use the one click since I wanted to > use the Cog VM. After loading Seaside from Squeak Source , which gave me a > couple pre-req missing warnings which I proceeded thru (not of relevance), I > began browsing around and noticed that the syntax highlighter was not loaded > or active. > > What do I have to do to get syntax highlighting back on ? > > thanks > > -Charles > > -- > View this message in context: http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >

Oct. 6, 2011

Re: [Pharo-users] [Pharo-project] One Liners to Impress Your Friends

by Sven Van Caekenberghe

On 06 Oct 2011, at 16:58, Levente Uzonyi wrote: > Here's a version optimized for readibility & loc: > > Array streamContents: [ :primeStream | > | sieve | > sieve := Array new: 100 withAll: true. > 2 to: sieve size do: [ :each | > (sieve at: each) ifTrue: [ > primeStream nextPut: each. > each * each to: sieve size by: each do: [ :eachMultiple | > sieve at: eachMultiple put: false ] ] ] ]. That is indeed a cooler version. Thanks for the feedback, Levente ! Sven

Oct. 6, 2011

Loading syntax highlighter in Pharo 1.3

by Charles Monteiro

sorry for the newbie question but I pop myself in here once in a while. Just downloaded Pharo 1.3 but decided to not use the one click since I wanted to use the Cog VM. After loading Seaside from Squeak Source , which gave me a couple pre-req missing warnings which I proceeded thru (not of relevance), I began browsing around and noticed that the syntax highlighter was not loaded or active. What do I have to do to get syntax highlighting back on ? thanks -Charles -- View this message in context: http://forum.world.st/Loading-syntax-highlighter-in-Pharo-1-3-tp3879624p387… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Oct. 6, 2011

Re: [Pharo-users] Create object model from AST using visitor

by Norbert Hartl

Lukas, that was exactly the type of mail I needed. I get somehow stuck in my head but now it is floating again. Am 06.10.2011 um 17:48 schrieb Lukas Renggli: >> If I want to create a model from the structure it turns out to be more difficult than I thought it would be. I'm using a visitor for this. In a typical visitor every element is treated in isolation. I can treat subelement B in the visitor but I cannot assign it to its parent A because there is no link. And I'm not really convinced that introducing return values in the visitor is the right way to go. > > The refactoring engine essentially does that. The visitor is a big > #collect: over the AST and each visit-method returns a new/modified > element. I think this is the most natural thing to do in most cases. > Thinking about it again and with all the approaches at hand I think this a good way to go. >> What I need to do is a visitor that transforms one thing into another thing with having the need that existing parent-child relationships need to be preserved through the transformation. > > Another approach would be to keep a stack of the elements visited. > Like this you can always access the parents of the currently > constructed elements. If I remember correctly, Pier has a few of those > visitors. > > If you just need the direct parent, you can only remember the last > parent in an instance variable, this is for example what OmniBrowser > does when building UIs in OBBuilder. > I think this is a good approach if the interface of the objects is rather generic and homogenous. Otherwise it is difficult for the child to know enough about the parent to deal properly with it. > Alternatively you can also choose a different traversal strategy other > than the canonical one from the root to the leaves. PetitParser has a > couple of these visitors that traverse the graphs in "random" order > keeping collections of processed and unprocessed items. > I never thought about this. So I take some time to get a picture what this could mean. > There are many different ways of how you can visit your nodes. Each > approach has its advantages and disadvantages in a particular > use-case. So I guess you need to figure out yourself what works best > for you. > Agreed. Thanks very much! Norbert

Oct. 6, 2011

Re: [Pharo-users] Create object model from AST using visitor

by Lukas Renggli

> If I want to create a model from the structure it turns out to be more difficult than I thought it would be. I'm using a visitor for this. In a typical visitor every element is treated in isolation. I can treat subelement B in the visitor but I cannot assign it to its parent A because there is no link. Â And I'm not really convinced that introducing return values in the visitor is the right way to go. The refactoring engine essentially does that. The visitor is a big #collect: over the AST and each visit-method returns a new/modified element. I think this is the most natural thing to do in most cases. > What I need to do is a visitor that transforms one thing into another thing with having the need that existing parent-child relationships need to be preserved through the transformation. Another approach would be to keep a stack of the elements visited. Like this you can always access the parents of the currently constructed elements. If I remember correctly, Pier has a few of those visitors. If you just need the direct parent, you can only remember the last parent in an instance variable, this is for example what OmniBrowser does when building UIs in OBBuilder. Alternatively you can also choose a different traversal strategy other than the canonical one from the root to the leaves. PetitParser has a couple of these visitors that traverse the graphs in "random" order keeping collections of processed and unprocessed items. There are many different ways of how you can visit your nodes. Each approach has its advantages and disadvantages in a particular use-case. So I guess you need to figure out yourself what works best for you. Lukas -- Lukas Renggli www.lukas-renggli.ch

Oct. 6, 2011

Create object model from AST using visitor

by Norbert Hartl

Hi, I'm writing a parser at the moment. The first step I did using petit parser to get from the grammar to my own AST like structure. Now I like to create my working model from the AST. And I'm thinking what would be the best way to do. If I want to create a model from the structure it turns out to be more difficult than I thought it would be. I'm using a visitor for this. In a typical visitor every element is treated in isolation. I can treat subelement B in the visitor but I cannot assign it to its parent A because there is no link. And I'm not really convinced that introducing return values in the visitor is the right way to go. What I need to do is a visitor that transforms one thing into another thing with having the need that existing parent-child relationships need to be preserved through the transformation. Anyone has an idea. Any hints are appreciated, Norbert

Oct. 6, 2011

One Liners to Impress Your Friends

by Sven Van Caekenberghe

After reading these two post 10 CoffeeScript One Liners to Impress Your Friends http://ricardo.cc/2011/06/02/10-CoffeeScript-One-Liners-to-Impress-Your-Fri… 10 Scala One Liners to Impress Your Friends http://solog.co/scala/10-scala-one-liners-to-impress-your-friends.html I could not help but think why people get so excited about new languages while Smalltalk can and has been doing this for decades. So here are Smalltalk versions of their code (not that the examples are all that impressive): "--- 1. Multiple Each Item in a List by 2 ---" (1 to: 10) collect: [ :each | each * 2 ] "--- 2. Sum a List of Numbers ---" (1 to: 1000) inject: 0 into: [ :sum :each | sum + each ] (1 to: 1000) fold: [ :x :y | x + y ] (1 to: 1000) reduce: [ :x :y | x + y ] (1 to: 1000) sum "--- 3. Verify if Exists in a String ---" | wordList tweet | wordList := #( 'Smalltalk' 'Object-Oriented' 'REST' 'TDD' 'Play Framework' ). tweet := 'This is an example tweet talking about Smalltalk and TDD'. wordList anySatisfy: [ :each | tweet includesSubString: each ] "--- 4. Read in a File ---" (FileStream fileNamed: 'data.txt') contentsOfEntireFile "--- 5. Happy Birthday ---" 1 to: 4 do: [ :each | Transcript crShow: 'Happy Birthday ', (each = 3 ifTrue: [ 'dear Mr. President' ] ifFalse: [ 'to You' ]) ] "--- 6. Filter list of numbers ---" | passed failed | passed := OrderedCollection new. failed := OrderedCollection new. #(49 58 76 82 88 90) do: [ :each | (each > 60 ifTrue: [ passed ] ifFalse: [ failed ] ) add: each ]. { passed. failed } #(49 58 76 82 88 90) groupedBy: [ :each | each > 60 ] "--- 7. Fetch and Parse an XML or JSON web service ---" XMLDOMParser parse: (ZnNeoClient new get: 'http://search.twitter.com/search.atom?&q=pharoproject') JSJsonParser parse: (ZnNeoClient new get: 'http://search.twitter.com/search.json?&q=pharoproject') "--- 8. Find minimum (or maximum) in a List ---" #(14 35 -7 46 98) fold: [ :x :y | x min: y ] #(14 35 -7 46 98) min #(14 35 -7 46 98) fold: [ :x :y | x max: y ] #(14 35 -7 46 98) max "--- 9. Parallel Processing ---" "No such standard support, but multithreading is of course available" "--- 10. Sieve of Eratosthenes ---" "Unreadable code is not a good idea, this is longer but readable" | primes | primes := Array new: 100 withAll: true. primes at: 1 put: false. 2 to: primes size sqrt ceiling do: [ :each | (primes at: each) ifTrue: [ each * 2 to: primes size by: each do: [ :eachMultiple | primes at: eachMultiple put: false ] ] ]. OrderedCollection streamContents: [ :stream | primes doWithIndex: [ :each :index | each ifTrue: [ stream nextPut: index ] ] ] Maybe we could turn this into a blog post after some discussion ? To really show off Smalltalk, we might need a couple more impressive examples. Sven

Oct. 6, 2011

Re: [Pharo-users] ESUG Video upload continuing...

by Davorin Rusevljan

On Thu, Oct 6, 2011 at 11:29 AM, Marcus Denker <marcus.denker(a)inria.fr> wrote: > Hi, > > We are slowly, but steadily uploading videos to Youtube. > > Â Â Â Â http://www.youtube.com/user/esugboard > > There are now 50 videos already. I just wanted to say a big thank to all who gave presentations, and and who worked on video preparation. It is a great resource for those of us who were not able to attend. Davorin Rusevljan http://www.cloud208.com/

Oct. 6, 2011

ESUG Video upload continuing...

by Marcus Denker

Hi, We are slowly, but steadily uploading videos to Youtube. http://www.youtube.com/user/esugboard There are now 50 videos already. The idea is to upload all videos we have from 2008, 2009, 2010 and 2011. In addition, the "Deep into Smalltalk" tutorials. If you want to be notified about single uploads, there are multiple possibilities: - subscribe to Youtube, turn on email notification. This way you get title, screnshot and the Abstract via mail of every video uploaded. - subscribe to http://twitter.com/#!/esugsmalltalk Youtube sends a tweet automatically for every upload. (Please retweet the ones you like!) Marcus -- Marcus Denker -- http://marcusdenker.de

Oct. 6, 2011

Stdb MySQL Protocol Driver update in squeaksource

by Anindya Haldar

A couple of updates to the Stdb* projects in SqueakSource. Project StdbMysqlProtocol: There is a new version of the protocol driver that can now handle authentication for MySQL users with old style (short hash) passwords. It handles the fallback silently during the handshake. This was an issue reported by Andreas for the previous version of the driver package. Project StdbMysqlImpl : There is a new version of the Stdb API implementation for MySQL. This one has some test infrastructure fixes, and consolidates the use of test credentials so that a single username/password combination is used for all tests. The packages were tested with MySQL 5.0.67 community edition under Mac OS X. Best, Anindya

Oct. 2, 2011