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[pharo-project/pharo-core]
by GitHub June 29, 2014

June 29, 2014

Branch: refs/tags/40052 Home: https://github.com/pharo-project/pharo-core

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[pharo-project/pharo-core] c66167: 40052
by GitHub June 29, 2014

June 29, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: c66167dc91c9f456178342805209e02a01010c98 https://github.com/pharo-project/pharo-core/commit/c66167dc91c9f45617834280… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-06-29 (Sun, 29 Jun 2014) Changed paths: A Morphic-Base.package/RowLayout.class/README.md A Morphic-Base.package/RowLayout.class/definition.st A Morphic-Base.package/RowLayout.class/instance/as yet unclassified/flushLayoutCache.st A Morphic-Base.package/RowLayout.class/instance/as yet unclassified/layout_in_.st A Morphic-Base.package/RowLayout.class/instance/as yet unclassified/minExtentOf_in_.st A Morphic-Base.package/StackLayout.class/README.md A Morphic-Base.package/StackLayout.class/definition.st A Morphic-Base.package/StackLayout.class/instance/as yet unclassified/flushLayoutCache.st A Morphic-Base.package/StackLayout.class/instance/as yet unclassified/layout_in_.st A Morphic-Base.package/StackLayout.class/instance/as 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Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getLabelSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getLabelSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getRootsSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getRootsSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getSelectedPathSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/getSelectedPathSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/hasChildrenSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/hasChildrenSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/keystrokeActionSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/keystrokeActionSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/roots.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/roots_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/setSelectedSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/setSelectedSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/wantsDropSelector.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/accessing/wantsDropSelector_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/morphic/acceptDroppingMorph_event_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/morphic/startDrag_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/morphic/wantsDroppedMorph_event_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/balloonTextForNode_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/contentsOfNode_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/dropNode_on_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/hasNodeContents_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/iconOfNode_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/isDraggableNode_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/printNode_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/node access/wantsDroppedNode_on_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/selection/setSelectedMorph_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/updating/selectPath_in_.st R Polymorph-Widgets.package/PluggableTreeMorph.class/instance/updating/update_.st R Polymorph-Widgets.package/RowLayout.class/README.md R Polymorph-Widgets.package/RowLayout.class/definition.st R 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Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/preconditions/findAncestorNode.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/preconditions/findCascadeNode.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/preconditions/findMessageNodes.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/preconditions/preconditions.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/transforming/extractReceiver.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/transforming/splitCascade.st A Refactoring-Core.package/RBSplitCascadeRefactoring.class/instance/transforming/transform.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/README.md A Refactoring-Core.package/RBSwapMethodRefactoring.class/class/instance-creation/model_swapMethod_in_.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/class/instance-creation/swapMethod_in_.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/definition.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/instance/initialization/swapMethod_in_.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/instance/preconditions/checkInstVars.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/instance/preconditions/preconditions.st A Refactoring-Core.package/RBSwapMethodRefactoring.class/instance/transforming/transform.st A Refactoring-Critics.package/RBTransformationRule.class/instance/accessing/name.st A Refactoring-Critics.package/RBTransformationRule.class/instance/accessing/rewriteRule_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script52.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40052.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st Log Message: ----------- 40052 13369 Move NautilusRefactoring-Refactorings to Refactorings package https://pharo.fogbugz.com/f/cases/13369 13430 CodeRewritingRule can be folded in its superclass https://pharo.fogbugz.com/f/cases/13430 13374 Move row and Stack Layout close to their superclass https://pharo.fogbugz.com/f/cases/13374 13373 Polymorph Pluggable class should be investigated and move to Morphic-Widgets-Pluggable https://pharo.fogbugz.com/f/cases/13373 http://files.pharo.org/image/40/40052.zip

1 0

[Pharo4] Slots: Code Generation and an Example
by Marcus Denker June 28, 2014

June 28, 2014

Hi, So now Opal delegates code generation for read and write to the Slot meta objects. The methods called are #emitValue: and #emitStore:, the parameter is an IRBuilder. With this the implementor of a Slot is free to generate whatever bytecode needed, it will be inlined at the read or assignment site in the method. For the ivar Slot this is e.g. just emitStore: methodBuilder methodBuilder storeInstVar: index emitValue: methodBuilder methodBuilder pushInstVar: index. Now the implementors of Slots should not need to be bothered about bytecode, therefore we have in the superclass of all Slots defaults emit methods that implement a *reflective* read and write using the MOP of the Slot itself (slower than code generation, but often enough): emitValue: aMethodBuilder aMethodBuilder pushLiteral: self; pushReceiver; send: #read: emitStore: aMethodBuilder aMethodBuilder pushLiteral: self; pushReceiver; send: #writeToSlot:of: What this means is that for someone who wants to implement a slot, you do not have to deal with bytecode at all. Here is a simple Slot: Slot subclass: #TestSlot instanceVariableNames: 'value' classVariableNames: '' category: 'Slot-Scopeâ read: anObject ^ value write: aValue to: anObject value := aValue So this is a strange kind of Slot that stores the value in itself, which means it is shared between all objects as there is only one Slot meta object per class per slot. (not something you want to do in real world, but a nice demo) Now we can create a class (not yet easily as we have not yet enabled a class template, so lets use the ClassBuilder directly): PharoClassInstaller make: [ :builder | builder name: #A; slots: { TestSlot named: #iv }; category: #Playground ]. In class A we can implement accessors: iv ^iv iv: anObject iv := anObject They look like normal ivar accesses, but in the background, the compiler delegated to the Slot the code generation, calling emit*, which leads to the bytecode e.g. for the read: 21 <20> pushConstant: iv => TestSlot 22 <70> self 23 <E1> send: read: 24 <7C> returnTop you could override the emit* methods to generate faster code, but to get something running it is not needed. To test, e.g. you can set the slot from one object and read it from another: A new iv: 6 A new iv Then inspect the slot: (A slotNamed: #iv) inspect (this should all Work in 4.0 048, the example is there as TestSlot for now) ...next steps: 1) Class Definition template for classes with Slots 2) How do we save these classes in Monticello? 3) Virtual Slots (Boolean and PropertySlots) Marcus

4 3

Spec TreeModel
by Yuriy Tymchuk June 28, 2014

June 28, 2014

Hi, Iâd like to improve the TreeModel of Spec, but I need some help. Fist of all UI breaks when different theme is used: When you deselect checkbox and at that moment item is not highlighted. This happens when checkbox is clicked, the item is not highlighted and so itâs original color is not stored, but when you uncheck item it IS unhighlighted for some reason, and as default color is not stored, black one is used. First of all we can replace black color by theme color, and also I think that we should handle checkbox and list clicks in a separate manner. Now the other thing is related. I can turn on checkbox, but can I turn off the list selection? Are the selected items distinguished is any way, or all items with checked checkboxes and highlights merged into one list? Uko

2 2

GUI question
by Goubier Thierry June 28, 2014

June 28, 2014

Hi all, is there a rationale for the world menu on left mouse button only in Pharo 4? (and world contents on the right mouse button) Mine would be: - if I press a pull down menu (press a menu bar item or a pull down menu), it's the left mouse button. - If I look for a menu on a non-button thing, it's the right mouse button, i.e. contextual menu. Now, should I consider that the Pharo background is a huge pull-down menu button to understand the rationale behind having the world menu on the left-mouse button? Thierry -- Thierry Goubier CEA list Laboratoire des Fondations des SystÃ¨mes Temps RÃ©el EmbarquÃ©s 91191 Gif sur Yvette Cedex France Phone/Fax: +33 (0) 1 69 08 32 92 / 83 95

3 2

Contact of HwaJong Oh
by stepharo June 28, 2014

June 28, 2014

Hi guys I'm looking for the email of HwaJong Oh. Does anybody of you have it? Stef

3 2

Do we remove infiniteForm support?
by stepharo June 27, 2014

June 27, 2014

because when I see code like that, it makes me sick! I wonder also when we migrate to Athens if we will not rewrite all that anyway. fillRectangle: aRectangle basicFillStyle: aFillStyle "Fill the given rectangle with the given, non-composite, fill style." | pattern | (aFillStyle isKindOf: InfiniteForm) ifTrue: [ ^self infiniteFillRectangle: aRectangle fillStyle: aFillStyle ]. (aFillStyle isSolidFill) ifTrue:[^self fillRectangle: aRectangle color: aFillStyle asColor]. "We have a very special case for filling with infinite forms" (aFillStyle isBitmapFill and:[aFillStyle origin = (0@0)]) ifTrue:[ pattern := aFillStyle form. (aFillStyle direction = (pattern width @ 0) and:[aFillStyle normal = (0@pattern height)]) ifTrue:[ "Can use an InfiniteForm" ^self fillRectangle: aRectangle color: (InfiniteForm with: pattern)]. ]. "Use a BalloonCanvas instead" self balloonFillRectangle: aRectangle fillStyle: aFillStyle.

5 7

Some assembly for a friday afternoon
by Henrik Johansen June 27, 2014

June 27, 2014

Soo, I started dabbling with the thing I talked about before last summer, letting String parameters in NB calls have an encoding: option. (Thereâs already a slice in inbox to allow optional values other than true/false) Thought Iâd start with decoding; hereâs a small preview of the part which does the actual decoding, after needed string class has has been determined and instantiated. While itâs a fallback path for when the platform doesnât support SSE or other batch operations, itâs still using some neat tricks (imho) I thought others might enjoy on a Friday afternoon :) emitStandardDecodeUTF8CharactersFrom: aSource to: aDestination withCharSize: aCharSize scratchReg: scratchReg using: aGenerator "Emit decoding using only standard x86 ops" "We have already found what String class is needed for decoding aSource, and created an instance of the proper size" "This implementation focuses on minimizing jumps and register usage, at the cost of loading from source one byte at a time. "Input: aSource - memory pointer to C-string with UTF8 bytes aDestination - memoryPointer to first var field of String instance scratchReg - a register which will be modified while decoding aCharSize - The size in bytes of each character in our destination string, known at emission time Clobbers: scratchReg aSource and aDestination will end up pointing to end of strings" | asm scratch32 sLowByte sHighByte loop done oneByte twoBytes threeBytes | asm := aGenerator asm. loop := asm uniqueLabelName: 'utf8DecodeLoop'. done := asm uniqueLabelName: 'utf8DecodingDone'. scratch32 := scratchReg as32. sLowByte := scratch32 as8. sHighByte := sLowByte asHighByte. asm label: loop. "Unroll the inner loop as many times as we want, or, well, at least as many times as the backwards jump will allow us to" 8 timesRepeat:[ oneByte := asm uniqueLabelName: 'utf8OneByteDecode'. twoBytes := asm uniqueLabelName: 'utf8TwoByteDecode'. threeBytes := asm uniqueLabelName: 'utf8ThreeByteDecode'. asm xor: scratch32 with:scratch32. asm or: sLowByte with: aSource ptr8. asm cmp: sLowByte with: 0. asm je: done. asm add: aSource with: 1. asm test: sLowByte with: 2r10000000 asUImm8. asm jz: oneByte. "We have a header, place its data bits as initial high byte value" asm shl: scratch32 with: 8. asm xor: sHighByte with: 2r11000000 asUImm8. "Strip 2 byte header" asm test: sHighByte with: 2r00100000. asm jz: twoBytes. aCharSize > 1 ifTrue: [ asm xor: sHighByte with: 2r00100000. "Strip 3 byte header" asm test: sHighByte with: 2r000100000. asm jz: threeBytes. "This is a 4-byte character" asm xor: sHighByte with:2r00010000."Strip 4 byte header" "Read one trailing byte, remove the header, and shift the data out of low byte" asm or: sLowByte with: aSource ptr8. asm shl: sLowByte with:2. asm shl: scratch32 with: 6. asm add: aSource with: 1. asm label: threeBytes. "Read one trailing byte, remove the header, and shift the data out of low byte" asm or: sLowByte with: aSource ptr8. asm shl: sLowByte with:2. asm shl: scratch32 with: 6. asm add: aSource with: 1. ]. asm label: twoBytes. "Read last trailing byte, remove header, and shift the data bits into proper place" asm or: sLowByte with: aSource ptr8. asm shl: sLowByte with:2. asm shr: scratch32 with: 2. asm add: aSource with: 1. asm label: oneByte. asm mov: (aDestination ptr size: aCharSize) with: (scratch32 as: aCharSize). asm add: aDestination with: aCharSize.]. asm jmp: loop. asm label: done. And the relevant test code for that: testStandardDecodeWide | bytes string | "bytes := (ZnUTF8Encoder new encodeString: 'Cash, like â¬, is king'), #[0]." bytes := #[67 97 115 104 44 32 108 105 107 101 32 226 130 172 44 32 105 115 32 107 105 110 103 0]. string := WideString new: bytes size - 1. self testStandardDecode: bytes toWideString: string. ^ string testStandardDecode: utf8Bytes toWideString:aString <primitive: #primitiveNativeCall module: #NativeBoostPlugin> ^ self nbCallout function: #(void #(char* utf8Bytes, char* aString )) emit: [ :gen :proxy :asm | asm pop: asm EBX; pop: asm ECX. self emitStandardDecodeUTF8CharactersFrom: asm EBX to: asm ECX withCharSize: 4 scratchReg: asm EAX using: gen. asm mov: EAX with: gen proxy nilObject ] Which, though itâs currently cheating by pre-knowledn string class/size, isnât alot of overhead: ext := NBExternalString new. [ext testStandardDecodeWide] bench '5,030,000 per second.' '5,080,000 per second.' '5,190,000 per second.â Compared to an equivalent to testStandardDecodeWide, with emitStandardâ¦ removed from the primitive: [ext testEmptyDecode] bench '5,850,000 per second.' '5,800,000 per second.' '5,640,000 per second.' â¦ or compared to doing the decoding in image after the call: int := ZnUTF8Encoder new. [int decodeBytes:#[67 97 115 104 44 32 108 105 107 101 32 226 130 172 44 32 105 115 32 107 105 110 103 0]] bench '130,000 per second.' '131,000 per second.' '132,000 per second.â Cheers, Henry

4 3

[pharo-project/pharo-core]
by GitHub June 27, 2014

June 27, 2014

Branch: refs/tags/40051 Home: https://github.com/pharo-project/pharo-core

1 0

[pharo-project/pharo-core] 661e32: 40051
by GitHub June 27, 2014

June 27, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: 661e3292a610f67f3a2d796ff1239899e7063c39 https://github.com/pharo-project/pharo-core/commit/661e3292a610f67f3a2d796f… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-06-27 (Fri, 27 Jun 2014) Changed paths: R RecentSubmissions.package/AbstractMethodReferenceConverter.class/class/as yet unclassified/methodReference_referencesList_.st A RecentSubmissions.package/AbstractMethodReferenceConverter.class/class/instance creation/methodReference_referencesList_.st R RecentSubmissions.package/MessageList.class/class/toBeRemovedWithStringHolder/isPseudoSelector_.st M RecentSubmissions.package/MessageList.class/definition.st M RecentSubmissions.package/MessageList.class/instance/initialization/initialize.st R RecentSubmissions.package/MessageListBrowser.class/class/deprecated/byClassOn_.st R RecentSubmissions.package/MessageListBrowser.class/class/deprecated/byDateDescendingOn_.st M RecentSubmissions.package/MessageListBrowser.class/instance/items addition/addAllItems_.st M RecentSubmissions.package/MessageListBrowser.class/instance/private/format_.st M RecentSubmissions.package/MessageListBrowser.class/instance/t - accessing/rootItems.st M RecentSubmissions.package/MessageListBrowser.class/instance/tree/getMethod_ifAbsent_.st R RecentSubmissions.package/VersionMethodReferenceConverter.class/instance/initialization/handleStringSearch.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script51.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40051.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st R Tools.package/AbstractMethodConverter.class/instance/initialization/canCompile.st R Tools.package/AbstractMethodConverter.class/instance/initialization/handleStringSearch.st M Tools.package/AbstractTool.class/instance/class/moveInNewPackage_.st M Tools.package/Browser.class/instance/drag and drop/dragPassengerFor_inMorph_.st M Tools.package/Browser.class/instance/message functions/shiftedMessageListMenu_.st R Tools.package/CodeHolder.class/class/as yet unclassified/decorateBrowserButtons.st R Tools.package/CodeHolder.class/class/as yet unclassified/decorateBrowserButtons_.st A Tools.package/CodeHolder.class/class/settings/decorateBrowserButtons.st A Tools.package/CodeHolder.class/class/settings/decorateBrowserButtons_.st M Tools.package/CodeHolder.class/instance/traits/spawnHierarchy.st R Tools.package/DynamicMessageImplementor.class/instance/evaluating-private/argumentNamePrefixOf_.st R Tools.package/SourceMethodConverter.class/instance/initialization/canCompile.st R Tools.package/TimeStampMethodConverter.class/instance/initialization/handleStringSearch.st Log Message: ----------- 40051 13428 Small code critique cleanup of RecentSubmissions https://pharo.fogbugz.com/f/cases/13428 13427 Small code critique clean of Tools https://pharo.fogbugz.com/f/cases/13427 http://files.pharo.org/image/40/40051.zip

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