Squeak-dev January 2011

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379 discussions

The Trunk: System-laza.417.mcz
by commits＠source.squeak.org 30 Jan '11

30 Jan '11

Alexander Lazarević uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-laza.417.mcz ==================== Summary ==================== Name: System-laza.417 Author: laza Time: 30 January 2011, 4:49:32.347 am UUID: 1c6e575a-eaf6-d14b-a42e-8241ff9c7428 Ancestors: System-ul.416 update the comment of getSystemAttribute: to match current VMs =============== Diff against System-ul.416 =============== Item was changed: ----- Method: SmalltalkImage>>getSystemAttribute: (in category 'private') ----- getSystemAttribute: attributeID "Optional. Answer the string for the system attribute with the given integer ID. Answer nil if the given attribute is not defined on this platform. On platforms that support invoking programs from command lines (e.g., Unix), this mechanism can be used to pass command line arguments to programs written in Squeak. By convention, the first command line argument that is not a VM configuration option is considered a 'document' to be filed in. Such a document can add methods and classes, can contain a serialized object, can include code to be executed, or any combination of these. Currently defined attributes include: + -1000 1000th command line argument that specify VM options + ... + -1 first command line argument that specify VM options + 0 the full path name for currently executing VM + (or, on some platforms, just the path name of the VM's directory) + 1 full path name of this image (better use primImageName instead) + 2 a Squeak document to open, if any + 3 first command line argument for Squeak programs + ... + 1000 1000th command line argument for Squeak programs + 1001 this platform's operating system 'Mac OS', 'Win32', 'unix', ... + 1002 operating system version + 1003 this platform's processor type + 1004 vm version + 1005 window system name + 1006 vm build id + 1201 always returns 255 (Mac OS only) + 1202 file last error (Mac OS only) + 10001 hardware details (Win32 only) + 10002 operating system details (Win32 only) + 10003 graphics hardware details (Win32 only) + " - -1000...-1 - command line arguments that specify VM options - 0 - the full path name for currently executing VM - (or, on some platforms, just the path name of the VM's directory) - 1 - full path name of this image - 2 - a Squeak document to open, if any - 3...1000 - command line arguments for Squeak programs - 1001 - this platform's operating system - 1002 - operating system version - 1003 - this platform's processor type - 1004 - vm version" <primitive: 149> ^ nil!

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Daily Commit Log
by commits＠source.squeak.org 30 Jan '11

30 Jan '11

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2011-January/004177.ht… Name: Multilingual-ul.133 Ancestors: Multilingual-mtf.132, Multilingual-sn.131 - merged Multilingual-sn.131 to fix #defaultSystemConverter if using Latin1Environment - make sure that the converter (#defaultSystemConverter) and line end convention (crlf for windows, lf for other platforms) is properly initialized for multi-byte stdio streams - fixed MultiByteFileStream >> #setConverterForCode which tried to save and restore the stream's state while the converter (which decides how to store the state) was changed - use the converter variable instead of the message with the same name from MultiByteFileStream - deprecated #bareNext, inlined it to it's two senders which were also refactored a bit - initialize MultiByteFileStream instances for stdio via #newForStdio instead of #openOnHandle:name:forWrite: which is removed. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004178.ht… Name: Multilingual-sn.131 Ancestors: Multilingual-ul.130 Fixes for Latin1Environment from EToys ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004179.ht… Name: Files-ul.98 Ancestors: Files-cmm.96, Files-ul.96 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004180.ht… Name: Files-ul.99 Ancestors: Files-ul.98, Files-ul.97 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004181.ht… Name: Files-ul.96 Ancestors: Files-mtf.95 Stdio support changes: - Added stdio support code to FileStream. - Unified API for accessing stdio streams. All users should send #stdin, #stdout and #stderr to FileStream to access the streams. - MultiByteFileStream is used instead of CrLfFileStream. - CrLfFileStream class >> #new is now deprecated ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004182.ht… Name: Files-ul.97 Ancestors: Files-ul.96 - removed previous stdio support code from StandardFileStream, migration is done in the preamble ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004183.ht… Name: EToys-ul.80 Ancestors: EToys-nice.79, EToys-fbs.78 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004184.ht… Name: EToys-fbs.78 Ancestors: EToys-cmm.77 Use Character space instead of $ to avoid Decompiler tests failing. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004185.ht… Name: Morphic-ul.517 Ancestors: Morphic-dtl.516 - avoid an annoying error which is possibly caused by a concurrency issue. It happens rarely (often if you're using RFB) when you press the backspace in a TextEditor. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004186.ht… Name: KernelTests-ul.174 Ancestors: KernelTests-ul.173, KernelTests-fbs.169 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004187.ht… Name: KernelTests-fbs.169 Ancestors: KernelTests-ul.168 Use Character space instead of $ to avoid Decompiler tests failing. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004188.ht… Name: Tests-ul.113 Ancestors: Tests-cmm.112, Tests-fbs.109 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004189.ht… Name: Tests-fbs.109 Ancestors: Tests-ar.108 Tests for System-fbs.108: ensuring that classOrTraitNamed: doesn't return globals. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004190.ht… Name: System-ul.416 Ancestors: System-cmm.415, System-fbs.410 - merged ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004191.ht… Name: System-fbs.410 Ancestors: System-ul.409 Ensure that classOrTraitNamed: doesn't return globals. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2011-January/004192.ht… Name: Kernel-ul.540 Ancestors: Kernel-cmm.539 - updated CompiledMethod's comment as suggested by http://bugs.squeak.org/view.php?id=7570 =============================================

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Re: Pragma support in Squeak/Pharo/Cuis
by Chris Cunnington 29 Jan '11

29 Jan '11

I've got some notes from 2 May 2010 about pragmas. Eliot produced this example at the time: x := Editor class compiledMethodAt: #blinkingCursor. x pragmas {<preference: 'Blinking Text Cursor' category: 'Morphic' description: 'When true, the text cursor will blink.' type: #Boolean>}. I think that corresponds with his message today: > Having it as a message pattern means: >- one can search for references to the method tag by searching for senders >of the message tag's selector But the ultimate destination of all method annotations is a #perform:? I take that from this: >- one can provide implementation(s) of the selector and hence execute the >method tag using perform So the ultimate destination of all pragmas/method annotations/method tags is that somewhere a #perform: lurks waiting for it? Sometimes that's the Compiler class and sometimes it's another class with a #perform:. I'd appreciate it if somebody could say if this is an accurate picture. A "yes" will do it. Chris

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The Trunk: Kernel-ul.540.mcz
by commits＠source.squeak.org 29 Jan '11

29 Jan '11

Levente Uzonyi uploaded a new version of Kernel to project The Trunk: http://source.squeak.org/trunk/Kernel-ul.540.mcz ==================== Summary ==================== Name: Kernel-ul.540 Author: ul Time: 29 January 2011, 1:21:18.82 pm UUID: a66e5204-4090-2149-8c6a-d65fa1cc4dd3 Ancestors: Kernel-cmm.539 - updated CompiledMethod's comment as suggested by http://bugs.squeak.org/view.php?id=7570 =============== Diff against Kernel-cmm.539 =============== Item was changed: ByteArray variableByteSubclass: #CompiledMethod instanceVariableNames: '' classVariableNames: 'LargeFrame SmallFrame' poolDictionaries: '' category: 'Kernel-Methods'! + !CompiledMethod commentStamp: 'ul 1/29/2011 13:18' prior: 0! - !CompiledMethod commentStamp: 'ls 7/5/2003 13:48' prior: 0! My instances are methods suitable for interpretation by the virtual machine. This is the only class in the system whose instances intermix both indexable pointer fields and indexable integer fields. + I'm a subclass of ByteArray to avoid duplicating some of ByteArray's methods, not because a CompiledMethod is-a ByteArray. The current format of a CompiledMethod is as follows: header (4 bytes) literals (4 bytes each) bytecodes (variable) trailer (variable) The header is a 30-bit integer with the following format: (index 0) 9 bits: main part of primitive number (#primitive) (index 9) 8 bits: number of literals (#numLiterals) (index 17) 1 bit: whether a large frame size is needed (#frameSize) (index 18) 6 bits: number of temporary variables (#numTemps) (index 24) 4 bits: number of arguments to the method (#numArgs) (index 28) 1 bit: high-bit of primitive number (#primitive) (index 29) 1 bit: flag bit, ignored by the VM (#flag) The trailer has two variant formats. In the first variant, the last byte is at least 252 and the last four bytes represent a source pointer into one of the sources files (see #sourcePointer). In the second variant, the last byte is less than 252, and the last several bytes are a compressed version of the names of the method's temporary variables. The number of bytes used for this purpose is the value of the last byte in the method. !

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[ANN] Updated FunSqueakCog
by Edgar J. De Cleene 29 Jan '11

29 Jan '11

FunSqueakCog4.2-10936-alpha.zip is on his place on /Experiments into the ftp What¹s new OSProcess and CommandShell, Fun with Music and More about Sound . The last two was hand made watching 3.6 projects. Know bugs. Fonts inside MathMorph is ugly , fix as soon as possible. Seems newer Cog VM have some different as older ones I have do not show the 100 % cpu use Herbert Koenig and Ken Brown reported. I set Seaside , Aida and running on same image and was able to have good behavior on Mac and Windows, but with older VM as said. I add some info about how I load projects and some links. I wish to special thanks to Ken G. Brown to correct some text and many feeedback. I fact I nominate he ³Embajador² of FunSqueak to rest of Squeakers :=). Remember, the image is alpha and my hope all have something into it. Give me feedback and I try to improve in the next build. Very thanks to all. Edgar

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Re: [Pharo-project] Uri vs. Url
by Marcus Denker 29 Jan '11

29 Jan '11

On Jan 29, 2011, at 9:17 AM, DeNigris Sean wrote: > It confuses me that the URI and Url class hierarchies are separate, given that a URL is a subset of URI (http://en.wikipedia.org/wiki/Uniform_Resource_Identifier#Relationship_to_UR…). Does it make sense to unify these? > Hi, The history behind is the following. Impara implemented URI and used it for all their products and Sophie later. The idea was in 3.9 to integrate URI and then remove Url later in another step. But sadly, already the first step was never really done: we integrated the URI package, but the (for 3.9)planed second pass did never happen. (to replace Urls and just keep them for compatibility, together with syncing with sophie fixes). Wo should do another pass, yes. Marcus -- Marcus Denker -- http://www.marcusdenker.de INRIA Lille -- Nord Europe. Team RMoD.

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The Trunk: System-ul.416.mcz
by commits＠source.squeak.org 29 Jan '11

29 Jan '11

Levente Uzonyi uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-ul.416.mcz ==================== Summary ==================== Name: System-ul.416 Author: ul Time: 29 January 2011, 1:45:34.868 am UUID: 4e4b642f-4878-024d-987b-a067da4382cb Ancestors: System-cmm.415, System-fbs.410 - merged =============== Diff against System-cmm.415 =============== Item was changed: ----- Method: SystemDictionary>>classOrTraitNamed: (in category 'classes and traits') ----- classOrTraitNamed: aString "aString is either a class or trait name or a class or trait name followed by ' class' or 'classTrait' respectively. Answer the class or metaclass it names." + | meta baseName | - | meta baseName baseClass | (aString endsWith: ' class') ifTrue: [meta := true. baseName := aString copyFrom: 1 to: aString size - 6] ifFalse: [ (aString endsWith: ' classTrait') ifTrue: [ meta := true. baseName := aString copyFrom: 1 to: aString size - 11] ifFalse: [ meta := false. baseName := aString]]. + + ^self at: baseName asSymbol ifPresent: + [ :global | + global isBehavior ifTrue: + [ meta + ifFalse: [ global ] + ifTrue: [ global classSide ]]]! - baseClass := Smalltalk at: baseName asSymbol ifAbsent: [^ nil]. - meta - ifTrue: [^ baseClass classSide] - ifFalse: [^ baseClass]!

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The Trunk: System-fbs.410.mcz
by commits＠source.squeak.org 29 Jan '11

29 Jan '11

Levente Uzonyi uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-fbs.410.mcz ==================== Summary ==================== Name: System-fbs.410 Author: fbs Time: 9 January 2011, 7:04:30.976 pm UUID: 5c92be57-a803-8a41-89f4-c5655001ef11 Ancestors: System-ul.409 Ensure that classOrTraitNamed: doesn't return globals. =============== Diff against System-ul.409 =============== Item was changed: ----- Method: SystemDictionary>>classOrTraitNamed: (in category 'classes and traits') ----- classOrTraitNamed: aString "aString is either a class or trait name or a class or trait name followed by ' class' or 'classTrait' respectively. Answer the class or metaclass it names." + | meta baseName | - | meta baseName baseClass | (aString endsWith: ' class') ifTrue: [meta := true. baseName := aString copyFrom: 1 to: aString size - 6] ifFalse: [ (aString endsWith: ' classTrait') ifTrue: [ meta := true. baseName := aString copyFrom: 1 to: aString size - 11] ifFalse: [ meta := false. baseName := aString]]. + + ^self at: baseName asSymbol ifPresent: + [ :global | + global isBehavior ifTrue: + [ meta + ifFalse: [ global ] + ifTrue: [ global classSide ]]]! - baseClass := Smalltalk at: baseName asSymbol ifAbsent: [^ nil]. - meta - ifTrue: [^ baseClass classSide] - ifFalse: [^ baseClass]!

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The Trunk: Tests-fbs.109.mcz
by commits＠source.squeak.org 29 Jan '11

29 Jan '11

Levente Uzonyi uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-fbs.109.mcz ==================== Summary ==================== Name: Tests-fbs.109 Author: fbs Time: 9 January 2011, 7:03:47.373 pm UUID: b7a979d9-86be-a34e-a3fe-d11775ff4f74 Ancestors: Tests-ar.108 Tests for System-fbs.108: ensuring that classOrTraitNamed: doesn't return globals. =============== Diff against Tests-ar.108 =============== Item was added: + TestCase subclass: #SystemDictionaryTest + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'Tests-System-Support'! Item was added: + ----- Method: SystemDictionaryTest>>testClassOrTraitNamedReturnsClassForClasses (in category 'testing - classes and traits') ----- + testClassOrTraitNamedReturnsClassForClasses + self assert: Object == (Smalltalk globals classOrTraitNamed: 'Object'). + self assert: Object == (Smalltalk globals classOrTraitNamed: #Object).! Item was added: + ----- Method: SystemDictionaryTest>>testClassOrTraitNamedReturnsNilForGlobals (in category 'testing - classes and traits') ----- + testClassOrTraitNamedReturnsNilForGlobals + self assert: nil = (Smalltalk globals classOrTraitNamed: 'Undeclared'). + self assert: nil = (Smalltalk globals classOrTraitNamed: #Undeclared).!

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The Trunk: Tests-ul.113.mcz
by commits＠source.squeak.org 29 Jan '11

29 Jan '11

Levente Uzonyi uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-ul.113.mcz ==================== Summary ==================== Name: Tests-ul.113 Author: ul Time: 29 January 2011, 1:52:05.041 am UUID: ca20cf39-ffb8-3d4a-b6e3-079af1a90b44 Ancestors: Tests-cmm.112, Tests-fbs.109 - merged =============== Diff against Tests-cmm.112 =============== Item was added: + TestCase subclass: #SystemDictionaryTest + instanceVariableNames: '' + classVariableNames: '' + poolDictionaries: '' + category: 'Tests-System-Support'! Item was added: + ----- Method: SystemDictionaryTest>>testClassOrTraitNamedReturnsClassForClasses (in category 'testing - classes and traits') ----- + testClassOrTraitNamedReturnsClassForClasses + self assert: Object == (Smalltalk globals classOrTraitNamed: 'Object'). + self assert: Object == (Smalltalk globals classOrTraitNamed: #Object).! Item was added: + ----- Method: SystemDictionaryTest>>testClassOrTraitNamedReturnsNilForGlobals (in category 'testing - classes and traits') ----- + testClassOrTraitNamedReturnsNilForGlobals + self assert: nil = (Smalltalk globals classOrTraitNamed: 'Undeclared'). + self assert: nil = (Smalltalk globals classOrTraitNamed: #Undeclared).!

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