Squeak-dev February 2011

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295 discussions

The Trunk: CollectionsTests-ul.181.mcz
by commits＠source.squeak.org 22 Feb '11

22 Feb '11

Levente Uzonyi uploaded a new version of CollectionsTests to project The Trunk: http://source.squeak.org/trunk/CollectionsTests-ul.181.mcz ==================== Summary ==================== Name: CollectionsTests-ul.181 Author: ul Time: 22 February 2011, 4:32:17.481 pm UUID: f61b5b99-8de8-7a46-a8b7-71e58d9d8a77 Ancestors: CollectionsTests-ul.180 Refactored and extended ReadStreamTest >> #testPositionOfSubCollection. =============== Diff against CollectionsTests-ul.180 =============== Item was changed: ----- Method: ReadStreamTest>>testPositionOfSubCollection (in category 'tests - positioning') ----- testPositionOfSubCollection - - self assert: ((self streamOn: 'xyz') positionOfSubCollection: 'q' ) = 0. - self assert: ((self streamOn: 'xyz') positionOfSubCollection: 'x' ) = 1. + | stream | + stream := self streamOn: 'xyz'. + #( + '' 1 + 'q' 0 + 'x' 1 + 'y' 2 + 'z' 3 + 'xz' 0 + 'xy' 1 + 'yz' 2 + 'xyz' 1) pairsDo: [ :pattern :expectedPosition | + self + assert: expectedPosition equals: (stream positionOfSubCollection: pattern); + assert: 0 equals: stream position ]! - self assert: ((self streamOn: 'xyz') positionOfSubCollection: 'y' ) = 2. - self assert: ((self streamOn: 'xyz') positionOfSubCollection: 'z' ) = 3.!

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The Trunk: Collections-ul.426.mcz
by commits＠source.squeak.org 22 Feb '11

22 Feb '11

Levente Uzonyi uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-ul.426.mcz ==================== Summary ==================== Name: Collections-ul.426 Author: ul Time: 22 February 2011, 4:28:33.228 pm UUID: 1ef01c01-6a9e-784f-a56d-9dd8f6182024 Ancestors: Collections-ul.425 - fix: make sure that PositionableStream >> #positionOfSubCollection:ifAbsent: restores the position of the stream even if the subcollection is not found - also removed some unreachable code and refactored the method =============== Diff against Collections-ul.425 =============== Item was changed: ----- Method: PositionableStream>>positionOfSubCollection:ifAbsent: (in category 'positioning') ----- positionOfSubCollection: subCollection ifAbsent: exceptionBlock "Return a position such that that element at the new position equals the first element of sub, and the next elements equal the rest of the elements of sub. Begin the search at the current position. If no such match is found, answer the result of evaluating argument, exceptionBlock." | pattern startPosition currentPosition | + pattern := subCollection readStream. - pattern := ReadStream on: subCollection. startPosition := self position. + [ pattern atEnd or: [ self atEnd ] ] whileFalse: [ + self next = pattern next ifFalse: [ + self position: self position - pattern position + 1. + pattern reset ] ]. - [pattern atEnd] whileFalse: - [self atEnd ifTrue: [^exceptionBlock value]. - self next = pattern next - ifFalse: [ - self position: self position-pattern position+1. - pattern reset]]. currentPosition := self position. self position: startPosition. + pattern atEnd ifTrue: [ ^currentPosition + 1 - subCollection size ]. + ^exceptionBlock value! - ^pattern atEnd - ifTrue: [currentPosition + 1 - subCollection size] - ifFalse: [exceptionBlock value]!

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OpenCroquet Website
by Torsten Bergmann 22 Feb '11

22 Feb '11

Bill wrote (on pharo list): >They appear to back full tilt on the Smalltalk front, using Squeak. >http://www.opencobalt.org Yes, I know OpenCobalt and I thought of it as a fork. According to the wikipedia page [1] (which only links to Croquet) it sits on top of the Croquet SDK. Similar to the Krestianstvo SDK. However - would be nice if http://www.opencroquet.org would point also to - http://www.opencobalt.org and - http://www.krestianstvo.org/ if anyone knows a person who is able to change the page. Bye T. [1] http://en.wikipedia.org/wiki/Croquet_Project -- NEU: FreePhone - kostenlos mobil telefonieren und surfen! Jetzt informieren: http://www.gmx.net/de/go/freephone

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OpenCroquet Website
by Torsten Bergmann 22 Feb '11

22 Feb '11

http://www.opencroquet.org now only provides the SDK, no videos, no text anymore. Anyone know what happened? Tx T. -- GMX DSL Doppel-Flat ab 19,99 Euro/mtl.! Jetzt mit gratis Handy-Flat! http://portal.gmx.net/de/go/dsl

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The Inbox: System-laza.423.mcz
by commits＠source.squeak.org 22 Feb '11

22 Feb '11

Alexander Lazarević uploaded a new version of System to project The Inbox: http://source.squeak.org/inbox/System-laza.423.mcz ==================== Summary ==================== Name: System-laza.423 Author: laza Time: 22 February 2011, 11:31:19.136 am UUID: 2c296259-64d4-499d-b4b5-9a4046d737fa Ancestors: System-ul.422 Add support for accessing OS environment variables (on linux at first) =============== Diff against System-ul.422 =============== Item was added: + ----- Method: SmalltalkImage>>environ (in category 'os') ----- + environ + "Smalltalk os environ" + | env c in match out name | + env := IdentityDictionary new. + self os osVersion = 'linux' ifFalse: [^env]. "Currently only supported on linux" + in := FileStream oldFileOrNoneNamed: '/proc/self/environ'. + in ifNil: [^env]. + out := WriteStream on: String new. + match := $=. + [(c := in next) isNil] whileFalse: [ + c = match + ifTrue: [ + c = $= ifTrue: [name := out contents. match := 0 asCharacter]. + c = 0 asCharacter ifTrue: [env at: name asSymbol put: out contents. match := $=]. + out reset] + ifFalse: [out nextPut: c]]. + ^env! Item was added: + ----- Method: SmalltalkImage>>getEnv: (in category 'os') ----- + getEnv: name + "Smalltalk os getEnv: 'HOME'" + ^self os environ at: name asSymbol ifAbsent: [nil] + !

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Re: [squeak-dev] FFI issue in Squeak 4.2 ?
by mkobetic＠gmail.com 22 Feb '11

22 Feb '11

"Levente Uzonyi"<leves(a)elte.hu> wrote: > There's no need to turn off #allowUnderscoreAsAssignment if the code is > not ambiguous (it's not). I was getting desperate, so I was trying whatever could possibly make a difference :-). I'll clean it up again. > The need for the global > #allowUnderscoreSelectors is because of MC. It tries to load EVPMD >> > #'block_size' before EVPMD class >> #allowUnderscoreSelectors which won't > work. > > IMHO it's better to just use the global preference, since the per class > methods are not good enough. > FFI is fine. The cause of the problem is String >> #numArgs. $_ is not > accepted by it as a valid selector character, so it returns -1 instead of > 1 for #'HMAC_CTX_cleanup:'. It will be fixed in the Trunk soon, along > with the other underscore related problems. Excellent! > I doubt FFI will be preloaded in images, because it has some security risk. Security risks that outweigh benefits of having the ability to call the outside world without much hassle? I'm curious, but it sounds like the community already had this argument and decided it's not worth it. No need to stir up old arguments, I'll see if I can find something in the archives. > However there's a simple solution: Metacello. A Metacello > configuration can ensure that FFI is loaded before the FFI specific parts > are loaded, take care about platform specific stuff, like changing the > preferences, etc. Hm, so if I create a metacello configuration and assuming there are some pre/post load hooks, can I turn the global flag on just for the duration of the load ? I prefer not to mess with global state of people's images if it can be avoided (I mean beyond adding a pile of new code to it :-). > I managed to load XTreams to Squeak Trunk (possibly works with 4.2 too) > using the following script: > ... > I also uploaded a new version of Xtreams-Xtras to the repository which > fixes XTHMACTest and XTHashTest for Squeak. > > With these changes, all tests are green on Windows. Excellent! So that means the new Bcrypt based hashing worked for you too. Thank you very much! I really appreciate your help. Martin

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Non-functional RFBServer with Squeak 4.2 all-in-one.
by Lawson English 22 Feb '11

22 Feb '11

Has anyone managed to get RFBServer working with the 4.2 final release? Someone on #squeak irc had mouse issues with it, and when I installed the latest version, I found that mouse events were not being passed back to squeak at all from my VNC client. This is obviously a show-stopper, but I don't know how to fix it. Has anyone tested the Pharo RFBServer version with 4.2? THanks. Lawson

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Re: [squeak-dev] Monticello questions - Merge vs Changes
by Colin Putney 22 Feb '11

22 Feb '11

On Mon, Feb 21, 2011 at 11:22 PM, Ken G. Brown <kbrown(a)mac.com> wrote: > So in the case I was looking at, there were a bunch of removals that got done that I temporarily did not want done, but I had no control. > What would you do in that case? One other factor here is whether you have a clean load of version A, or do you have changes that you haven't saved yet? Colin

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Monticello questions - Merge vs Changes
by Ken G. Brown 22 Feb '11

22 Feb '11

In Squeak 4.2 trunk 11035, when I look at a package in Monticello, namely SUnit in 'http://www.squeaksource.com/Testing', I get different results in the listings when I click Merge vs Changes. A bunch of removes are there in Changes listing but not in the Merge listing. If I do not want the removes done when loading, how do I tell MC to reject them if I cannot see them in the Merge panes. What causes the differences between the listings? Thx for any insight, Ken G. Brown

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Grabbing the mouse
by Matthew Fulmer 22 Feb '11

22 Feb '11

Is there a way in squeak to completely grab the mouse so you can get all events, and not even bother with the cursor? a lot of games do it for various features, and trying to do the same in Open Cobalt for the camera controls -- Matthew Fulmer (a.k.a. Tapple)

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