Squeak-dev January 2013

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332 discussions

The Inbox: Exceptions-fbs.40.mcz
by commits＠source.squeak.org 30 Jan '13

30 Jan '13

Frank Shearar uploaded a new version of Exceptions to project The Inbox: http://source.squeak.org/inbox/Exceptions-fbs.40.mcz ==================== Summary ==================== Name: Exceptions-fbs.40 Author: fbs Time: 30 January 2013, 12:26:24.885 pm UUID: 44e7df62-7a42-42c4-91d1-617103362029 Ancestors: Exceptions-fbs.39 Exception hierarchy for errors where someone has forgotten to do something. NotImplementedError is the base class. =============== Diff against Exceptions-fbs.39 =============== Item was changed: + NotImplementedError subclass: #MessageNotUnderstood - Error subclass: #MessageNotUnderstood instanceVariableNames: 'message receiver reachedDefaultHandler' classVariableNames: '' poolDictionaries: '' category: 'Exceptions-Kernel'! !MessageNotUnderstood commentStamp: '<historical>' prior: 0! This exception is provided to support Object>>doesNotUnderstand:.! Item was added: + Error subclass: #NotImplementedError + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'Exceptions-Kernel'! Item was changed: + NotImplementedError subclass: #NotYetImplemented - Error subclass: #NotYetImplemented instanceVariableNames: 'receiverClass selector context' classVariableNames: '' poolDictionaries: '' category: 'Exceptions-Kernel'! !NotYetImplemented commentStamp: 'jcg 10/21/2009 01:20' prior: 0! Sent by #notYetImplemented. Better than the age-old behavior of opening a notifier window, because this can be caught and handled. ! Item was changed: + NotImplementedError subclass: #SubclassResponsibilityError + instanceVariableNames: '' - Error subclass: #SubclassResponsibilityError - instanceVariableNames: 'selector offendingClass calledArguments' classVariableNames: '' poolDictionaries: '' category: 'Exceptions-Kernel'! !SubclassResponsibilityError commentStamp: 'fbs 1/26/2013 00:20' prior: 0! I am signalled when a subclass fails to implement an "abstract method" and something sends an instance of this subclass the unimplemented message.!

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browsing method speed
by Vaidotas Didžbalis 30 Jan '13

30 Jan '13

Hello, Noticed that loking through implementors, in 4.4 is slow. So, tested Browsing the onplementors of printOn: . To selecct in browser different Reaction is instant in Squeak 3.6. 3.8.2 (VM 4.1.4) 4.1, 4.4 Cog

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Re: [squeak-dev] The Trunk: Collections-cmm.499.mcz
by Douglas McPherson 30 Jan '13

30 Jan '13

If I understand correctly, another difference between a FloatCollection and an OrderedCollection of Floats, besides the noted efficiency due to the use of FloatArray, is that a FloatCollection will store IEEE 32-bit single precision floats, while an OrderedCollection of Floats will store double precision floats. Is this correct? This is analogous to the current difference between an Array of Floats and a FloatArray. On Jan 29, 2013, at 02:19 , commits(a)source.squeak.org wrote: > Chris Muller uploaded a new version of Collections to project The Trunk: > http://source.squeak.org/trunk/Collections-cmm.499.mcz > > ==================== Summary ==================== > > Name: Collections-cmm.499 > Author: cmm > Time: 28 January 2013, 8:19:08.858 pm > UUID: 9af9bd27-3342-4203-88e5-22c85c57d5ae > Ancestors: Collections-bf.498 > > FloatCollection inherits the convenient add:/remove: API of OrderedCollection, but using an internal FloatArray for better efficiency. > > =============== Diff against Collections-bf.498 =============== > > Item was added: > + OrderedCollection subclass: #FloatCollection > + instanceVariableNames: '' > + classVariableNames: '' > + poolDictionaries: '' > + category: 'Collections-Sequenceable'! > + > + !FloatCollection commentStamp: 'cmm 1/28/2013 19:49' prior: 0! > + FloatCollctions store 32bit IEEE floating point numbers.! > > Item was added: > + ----- Method: FloatCollection class>>arrayType (in category 'overriding') ----- > + arrayType > + ^ FloatArray! > > Item was added: > + ----- Method: FloatCollection>>addLast: (in category 'as yet unclassified') ----- > + addLast: aFloat > + aFloat isNumber ifFalse: [ self error: 'This collection can only store Floats.' ]. > + ^ super addLast: aFloat! > >

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Daily Commit Log
by commits＠source.squeak.org 30 Jan '13

30 Jan '13

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2013-January/005676.ht… Name: Collections-cmm.499 Ancestors: Collections-bf.498 FloatCollection inherits the convenient add:/remove: API of OrderedCollection, but using an internal FloatArray for better efficiency. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2013-January/005677.ht… Name: CollectionsTests-cmm.195 Ancestors: CollectionsTests-ul.194 Tests for FloatCollection. =============================================

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(TestCase>>#setUp) = (TestCase>>#tearDown)
by Marcel Taeumel 29 Jan '13

29 Jan '13

Hi! Try to print it: "TestCase methodDict values select: [:method | method = (TestCase >> #setUp)]". It will show: "{(TestCase>>#tearDown "a CompiledMethod(423)") . (TestCase>>#setUp "a CompiledMethod(1421)")}". So "(TestCase>>#setUp) = (TestCase>>#tearDown)" evaluates to true. Is this intended? Squeak 4.4, CogVM (Dec 20, 2012), Win7 Best, Marcel -- View this message in context: http://forum.world.st/TestCase-setUp-TestCase-tearDown-tp4666363.html Sent from the Squeak - Dev mailing list archive at Nabble.com.

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Is there a Squeak VM/Image for the Raspberry Pi running Raspbian wheezy?
by Louis LaBrunda 29 Jan '13

29 Jan '13

Hi Guys, Is there a Squeak VM/Image for the Raspberry Pi running Raspbian wheezy? Lou ----------------------------------------------------------- Louis LaBrunda Keystone Software Corp. SkypeMe callto://PhotonDemon mailto:Lou@Keystone-Software.com http://www.Keystone-Software.com

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Please VOTE!!
by Ron Teitelbaum 29 Jan '13

29 Jan '13

Hi All, I just wanted to send a reminder that the Squeak Oversight Board election ballots have gone out. Please VOTE!! It's easy to forget or lose track of the email, so please vote while you still know where the email is! The subject is: Poll: Squeak Oversight Board 2013 Sent on 28th of Jan between 5 and 6pm Eastern Time. From: andru(a)cs.cornell.edu; on behalf of; Ron Teitelbaum (CIVS poll supervisor) ron(a)usmedrec.com Thank you!! Ron Teitelbaum

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squeak hey
by Chris Muller 29 Jan '13

29 Jan '13

hard to believe this lol http://bit.ly/1113hg2 Chris

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The Inbox: Tools-fbs.441.mcz
by commits＠source.squeak.org 29 Jan '13

29 Jan '13

Frank Shearar uploaded a new version of Tools to project The Inbox: http://source.squeak.org/inbox/Tools-fbs.441.mcz ==================== Summary ==================== Name: Tools-fbs.441 Author: fbs Time: 29 January 2013, 4:39:34.734 pm UUID: c09b1f0b-cfec-4583-9d5b-e6c400b25057 Ancestors: Tools-fbs.440 Use the simplified introspection tools. =============== Diff against Tools-fbs.440 =============== Item was changed: ----- Method: Debugger>>createOverridingMethod (in category 'private') ----- createOverridingMethod "Should only be called when this Debugger was created in response to a SubclassResponsibility exception. Create a stub for the method that was missing and proceed into it." + | msgSend | + msgSend := self contextStackTop invocationMessage. + self implement: msgSend asMessage inClass: msgSend receiver class inCategory: msgSend selectorCategory.! - | err msg | - err := self contextStackTop tempAt: 1. - msg := Message selector: err selector arguments: err calledArguments. - self implement: msg inClass: err offendingClass inCategory: err selectorCategory.! Item was changed: ----- Method: Debugger>>implement:inClass:inCategory: (in category 'context stack menu') ----- implement: aMessage inClass: aClass inCategory: aSymbol aClass compile: aMessage createStubMethod classified: aSymbol. self setContentsToForceRefetch. self selectedContext privRefreshWith: (aClass lookupSelector: aMessage selector). + aMessage numArgs > 0 ifTrue: + [aMessage arguments withIndexDo: - self selectedContext method numArgs > 0 ifTrue: - [(self selectedContext tempAt: 1) arguments withIndexDo: [:arg :index| self selectedContext tempAt: index put: arg]]. self resetContext: self selectedContext. self debug. !

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The Inbox: Kernel-fbs.733.mcz
by commits＠source.squeak.org 29 Jan '13

29 Jan '13

Frank Shearar uploaded a new version of Kernel to project The Inbox: http://source.squeak.org/inbox/Kernel-fbs.733.mcz ==================== Summary ==================== Name: Kernel-fbs.733 Author: fbs Time: 29 January 2013, 4:38:23.85 pm UUID: 473959a5-97ca-425d-a84b-7440244c893b Ancestors: Kernel-fbs.732 Move the Debugger's introspection of a context into ContextPart. Use the new SubclassResponsibilityError API. =============== Diff against Kernel-fbs.732 =============== Item was added: + ----- Method: ContextPart>>invocationMessage (in category 'accessing') ----- + invocationMessage + "Upon sending messages like #doesNotUnderstand: or #subclassResponsibility - methods that will pop up a Debugger - return the Message that prompted the Debugger." + | sender selector args | + (self method selector == #doesNotUnderstand:) ifTrue: [^ self tempAt: 1]. + sender := self sender. + selector := sender method selector. + args := Array new: selector numArgs. + 1 to: selector numArgs do: [ :i | args at: i put: (sender tempAt: i)]. + ^ MessageSend receiver: self receiver selector: selector arguments: args.! Item was added: + ----- Method: MessageSend>>asMessage (in category 'converting') ----- + asMessage + ^ Message selector: selector arguments: arguments.! Item was added: + ----- Method: MessageSend>>selectorCategory (in category 'accessing') ----- + selectorCategory + "Return the category to which this message belongs (relative to the receiver). If no superclass categorises this message, use the default." + | organizers | + organizers := receiver class withAllSuperclasses collect: [:ea | ea organization]. + organizers addFirst: receiver class organization. + ^ (organizers collect: [ :org | org categoryOfElement: selector]) + detect: [:ea | ea ~= ClassOrganizer default and: [ ea ~= nil]] + ifNone: [ClassOrganizer default]! Item was changed: ----- Method: Object>>subclassResponsibility (in category 'error handling') ----- subclassResponsibility "This message sets up a framework for the behavior of the class' subclasses. Announce that the subclass should have implemented this message." + SubclassResponsibilityError + signal: ('My {1} subclass should have overridden {2}' + format: {self className. thisContext sender selector}).! - | exception args senderCtxt | - "We must assign to a local variable so that the Debugger can access the exception through thisParticularContext tempAt: 1. This also means that the exception local must be the first local declared." - senderCtxt := thisContext sender. - "Copy the temps out of senderCtxt" - args := OrderedCollection new. - 1 to: senderCtxt selector numArgs do: - [:idx | args addLast: (senderCtxt tempAt: idx)]. - exception := SubclassResponsibilityError - class: self class - selector: senderCtxt selector - arguments: args. - exception signal.!

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