Packages July 2019

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The Trunk: Collections-mt.838.mcz
by commits＠source.squeak.org 11 Jul '19

11 Jul '19

Marcel Taeumel uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-mt.838.mcz ==================== Summary ==================== Name: Collections-mt.838 Author: mt Time: 4 July 2019, 4:32:40.854026 pm UUID: ac4ab442-79c0-d246-8dec-914be7ee5356 Ancestors: Collections-pre.837 To String, adds simple analysis of natural language in source code. No word stemming. 1) Refactor #findTokens: to look like #lines (i.e. #linesDo: and #lineIndicesDo:). 2) Add #findFeaturesDo: like #findTokens:do: and #linesDo:. Try this: HTTPDownloadRequest name findFeatures. (Morph >> #drawOn:) getSource asString findFeatures. Where can that be useful? - Automatic insertion of "*" for search terms like "WeakDictionary" to also find WeakIdentityDictionary etc. - Prefix emphasis for names lists of classes in code browsers: MCAddition, MCAncestry, etc. =============== Diff against Collections-pre.837 =============== Item was added: + ----- Method: String>>findFeatureIndicesDo: (in category 'accessing - features') ----- + findFeatureIndicesDo: aBlock + "State machine that separates camelCase, UPPERCase, number/operator combinations and skips colons" + | last state char "0 = start, 1 = a, 2 = A, 3 = AA, 4 = num, 5 = op" | + + state := 0. + last := 1. + + 1 to: self size do: [ :index | + char := self at: index. + "a" + char isLowercase ifTrue: [ + (state < 3) ifTrue: [state := 1]. "*a -> a" + (state == 3) ifTrue: [ + "AAa -> A + Aa (camel case follows uppercase)" + aBlock value: last value: index - 2. + last := index - 1. + state := 2]. + (state > 3) ifTrue: [ + "+a -> + | a (letter follows non-letter)" + aBlock value: last value: index - 1. + last := index. + state := 1]] + ifFalse: [ + char isUppercase ifTrue: [ + (state == 0) + ifTrue: [state := 2] "start -> A" + ifFalse: [ + (state < 2 or: [state > 3]) ifTrue: [ + "*A -> * | A (uppercase begins, flush before)" + aBlock value: last value: index - 1. + last := index. + state := 2] ifFalse: [ + "AA -> AA (uppercase continues)" + state := 3]]] + ifFalse: [ + ("char == $: or:" char isSeparator) ifTrue: [ + "skip colon/whitespace" + (state > 0) ifTrue: [ + aBlock value: last value: index - 1. + state := 0]. + last := index + 1] + ifFalse: [ + char isDigit ifTrue: [ + (state == 0) + ifTrue: [state := 4] + ifFalse: [ + (state ~= 4) ifTrue: [ + aBlock value: last value: index - 1. + last := index. + state := 4]]] + ifFalse: [ + (state == 0) + ifTrue: [state := 5] + ifFalse: [ + (state < 5) ifTrue: [ + aBlock value: last value: index - 1. + last := index. + state := 5]]]]]]]. + last <= self size ifTrue: [ + aBlock value: last value: self size]! Item was added: + ----- Method: String>>findFeatures (in category 'accessing - features') ----- + findFeatures + + ^ Array streamContents: [:features | + self findFeaturesDo: [:feature | features nextPut: feature]]! Item was added: + ----- Method: String>>findFeaturesDo: (in category 'accessing - features') ----- + findFeaturesDo: aBlock + "Simple analysis for natural language in source code. No support for word stemming." + + self findFeatureIndicesDo: [:start :end | + (self at: start) isLetter ifTrue: [ + aBlock value: (self copyFrom: start to: end) asLowercase]].! Item was changed: ----- Method: String>>findTokens: (in category 'accessing') ----- findTokens: delimiters + "Answer the collection of tokens that result from parsing self." + + ^ OrderedCollection streamContents: [:tokens | + self + findTokens: delimiters + do: [:token | tokens nextPut: token]]! - "Answer the collection of tokens that result from parsing self. Return strings between the delimiters. Any character in the Collection delimiters marks a border. Several delimiters in a row are considered as just one separation. Also, allow delimiters to be a single character." - - | tokens keyStart keyStop separators | - - tokens := OrderedCollection new. - separators := delimiters isCharacter - ifTrue: [Array with: delimiters] - ifFalse: [delimiters]. - keyStop := 1. - [keyStop <= self size] whileTrue: - [keyStart := self skipDelimiters: separators startingAt: keyStop. - keyStop := self findDelimiters: separators startingAt: keyStart. - keyStart < keyStop - ifTrue: [tokens add: (self copyFrom: keyStart to: (keyStop - 1))]]. - ^tokens! Item was added: + ----- Method: String>>findTokens:do: (in category 'accessing') ----- + findTokens: delimiters do: aBlock + + self + findTokens: delimiters + indicesDo: [:start :end | aBlock value: (self copyFrom: start to: end)].! Item was added: + ----- Method: String>>findTokens:indicesDo: (in category 'accessing') ----- + findTokens: delimiters indicesDo: aBlock + "Parse self to find tokens between delimiters. Any character in the Collection delimiters marks a border. Several delimiters in a row are considered as just one separation. Also, allow delimiters to be a single character. Similar to #lineIndicesDo:." + + | tokens keyStart keyStop separators | + separators := delimiters isCharacter + ifTrue: [Array with: delimiters] + ifFalse: [delimiters]. + keyStop := 1. + [keyStop <= self size] whileTrue: [ + keyStart := self skipDelimiters: separators startingAt: keyStop. + keyStop := self findDelimiters: separators startingAt: keyStart. + keyStart < keyStop + ifTrue: [aBlock value: keyStart value: keyStop - 1]].!

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The Trunk: ToolBuilder-Morphic-mt.229.mcz
by commits＠source.squeak.org 09 Jul '19

09 Jul '19

Marcel Taeumel uploaded a new version of ToolBuilder-Morphic to project The Trunk: http://source.squeak.org/trunk/ToolBuilder-Morphic-mt.229.mcz ==================== Summary ==================== Name: ToolBuilder-Morphic-mt.229 Author: mt Time: 9 July 2019, 2:08:54.585973 pm UUID: eb513b5e-2448-442a-b8c0-1e5f313610df Ancestors: ToolBuilder-Morphic-mt.228 Addition to ShoutCore-mt.64. Reverts Shout's background-styling callback to the older, much simpler version. SHTextStyler handles UI-process synchronization of callback (again). =============== Diff against ToolBuilder-Morphic-mt.228 =============== Item was changed: ----- Method: PluggableTextMorphPlus>>stylerStyledInBackground: (in category 'styling') ----- stylerStyledInBackground: styledCopyOfText "Sent after the styler completed styling of the text" "It is possible that the text string has changed since the styling began. Disregard the styles if styledCopyOfText's string differs with the current textMorph contents string" + textMorph contents string = styledCopyOfText string + ifTrue: [self stylerStyled: styledCopyOfText]! - Project current addDeferredUIMessage: [ - textMorph contents string = styledCopyOfText string - ifTrue: [self stylerStyled: styledCopyOfText]].!

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The Trunk: ShoutCore-mt.64.mcz
by commits＠source.squeak.org 09 Jul '19

09 Jul '19

Marcel Taeumel uploaded a new version of ShoutCore to project The Trunk: http://source.squeak.org/trunk/ShoutCore-mt.64.mcz ==================== Summary ==================== Name: ShoutCore-mt.64 Author: mt Time: 9 July 2019, 2:07:39.898973 pm UUID: 4a783083-891a-4556-a362-2a401660f5bf Ancestors: ShoutCore-nice.63 Removes the semaphore from Shout's background styling. It is not needed because we can synchronize with the current project's UI process using #addDeferredUIMessage:. =============== Diff against ShoutCore-nice.63 =============== Item was changed: Object subclass: #SHTextStyler + instanceVariableNames: 'backgroundProcess text monitor view stylingEnabled' - instanceVariableNames: 'sem backgroundProcess text monitor view stylingEnabled' classVariableNames: '' poolDictionaries: '' category: 'ShoutCore-Styling'! !SHTextStyler commentStamp: 'tween 8/27/2004 10:54' prior: 0! I am an Abstract class. Subclasses of me can create formatted, coloured, and styled copies of Text that is given to them. They may perform their styling asynchronously, in a background process which I create and manage. My public interface is... view: aViewOrMorph - set the view that will receive notifications when styling has completed. format: aText - modifies aText's string style: aText - modifies the TextAttributes of aText, but does not change the string, then sends #stylerStyled: to the view. styleInBackgroundProcess: aText - performs style: in a background process, then sends #stylerStylednBackground: to the view. styledTextFor: aText - answers a formatted and styled copy of aText unstyledTextFrom: aText - answers a copy of aText with all TextAttributes removed Subclasses of me should re-implement... privateFormat: aText - answer a formatted version of aText; the String may be changed privateStyle: aText - modify the TextAttributes of aText; but do not change the String ! Item was changed: ----- Method: SHTextStyler>>styleInBackgroundProcess: (in category 'styling') ----- styleInBackgroundProcess: aText self terminateBackgroundStylingProcess. + + stylingEnabled ifTrue: [ - stylingEnabled ifTrue:[ text := aText copy. self monitor critical: [ + backgroundProcess := [ + self privateStyle: text. + view ifNotNil: [:v | Project current addDeferredUIMessage: [v stylerStyledInBackground: text]]. + ] forkAt: Processor userBackgroundPriority] ] - sem := Semaphore new. - [sem notNil - ifTrue: [ - sem wait. - view ifNotNil:[view stylerStyledInBackground: text]] - ] forkAt: Processor activePriority. - backgroundProcess := - [self privateStyle: text. - sem signal] - forkAt: Processor userBackgroundPriority] ] ! Item was changed: ----- Method: SHTextStyler>>terminateBackgroundStylingProcess (in category 'private') ----- terminateBackgroundStylingProcess + self monitor critical: [ backgroundProcess ifNotNil: [ backgroundProcess terminate. + backgroundProcess := nil]].! - backgroundProcess := nil]. - sem - ifNotNil:[ - sem terminateProcess. - sem := nil]. - ] ! Item was changed: ----- Method: SHTextStyler>>veryDeepInner: (in category 'copying') ----- veryDeepInner: aDeepCopier super veryDeepInner: aDeepCopier. + backgroundProcess := monitor := nil. - sem := backgroundProcess := monitor := nil. text := text veryDeepCopyWith: aDeepCopier. view := view veryDeepCopyWith: aDeepCopier!

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The Trunk: Chronology-Core-dtl.48.mcz
by commits＠source.squeak.org 09 Jul '19

09 Jul '19

David T. Lewis uploaded a new version of Chronology-Core to project The Trunk: http://source.squeak.org/trunk/Chronology-Core-dtl.48.mcz ==================== Summary ==================== Name: Chronology-Core-dtl.48 Author: dtl Time: 5 July 2019, 1:08:16.059032 pm UUID: 7f33ce2e-ae95-48ef-a526-63da7ddfd885 Ancestors: Chronology-Core-cmm.47 Fix fallback code for primPosixMicrosecondClockWithOffset: to not allow DateAndTime class>>now to create an instance with nil instance variables. Previous fallback code was a cut and paste error, never worked as intended. Rationale for the fallback handling: Corrupt DateAndTime can quickly lead to a broken image. A default value of the Posix epoch is easily recognized as un uninitialized DateAndTime. To test, evaluate "Time clockPolicy: #acceptPlatformTime" and comment out the primitive call in Time class>>primPosixMicrosecondClockWithOffset: to simulate the case of a VM that does not provide primitiveUtcWithOffset. In this case, DateAndTime now produces 1970-01-01T00:00:00+00:00. After testing, do Time initialze to restore clock policy. =============== Diff against Chronology-Core-cmm.47 =============== Item was changed: ----- Method: Time class>>posixMicrosecondClockWithOffset: (in category 'clock') ----- posixMicrosecondClockWithOffset: aDateAndTime "Initialize aDateAndTime initialized with local microseconds since the Posix epoch and the current seconds offset from GMT in the local time zone." | utcValue | self primPosixMicrosecondClockWithOffset: aDateAndTime. - aDateAndTime utcMicroseconds ifNil: [ ^aDateAndTime]. "primitive failed" ClockPolicy caseOf: { [#acceptPlatformTime] -> [^ aDateAndTime] . [#monotonicAllowDuplicates] -> [ utcValue := aDateAndTime utcMicroseconds. utcValue > LastClockTick ifTrue: [LastClockTick := utcValue] ifFalse: [aDateAndTime utcMicroseconds: LastClockTick]] . [#monotonicForceMicrosecondIncrement] -> [ utcValue := aDateAndTime utcMicroseconds. utcValue > LastClockTick ifTrue: [LastClockTick := utcValue] ifFalse: [LastClockTick := LastClockTick + 1. "add one microsecond" aDateAndTime utcMicroseconds: LastClockTick]] . [#monotonicForceNanosecondIncrement] -> [ utcValue := aDateAndTime utcMicroseconds. utcValue > LastClockTick ifTrue: [LastClockTick := utcValue] ifFalse: [LastClockTick := LastClockTick + (1 / 1000). "add one nanosecond" aDateAndTime utcMicroseconds: LastClockTick]] } otherwise: []. ^aDateAndTime ! Item was changed: ----- Method: Time class>>primPosixMicrosecondClockWithOffset: (in category 'private') ----- primPosixMicrosecondClockWithOffset: arrayOrObjectWithTwoSlots "Answer an array with UTC microseconds since the Posix epoch and the current seconds offset from GMT in the local time zone. If the primitive is not available, then answer the time and offset of Posix epoch GMT. This enables the image to continue running in the absence of #primitiveUtcWithOffset, thus avoiding the need to fallback code based on the earlier local microsecond clock mechanism. The parameter may be a two element array, or an object whose first two instance variables are expected to be UTC microseconds and seconds offset from GMT." <primitive: 'primitiveUtcWithOffset'> + + (arrayOrObjectWithTwoSlots instVarAt: 1) + ifNil: [arrayOrObjectWithTwoSlots instVarAt: 1 put: 0]. + (arrayOrObjectWithTwoSlots instVarAt: 2) + ifNil: [arrayOrObjectWithTwoSlots instVarAt: 2 put: 0]! - ^{0. 0}!

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The Trunk: Morphic-cmfcmf.1490.mcz
by commits＠source.squeak.org 05 Jul '19

05 Jul '19

David T. Lewis uploaded a new version of Morphic to project The Trunk: http://source.squeak.org/trunk/Morphic-cmfcmf.1490.mcz ==================== Summary ==================== Name: Morphic-cmfcmf.1490 Author: cmfcmf Time: 30 June 2019, 12:04:13.370226 pm UUID: ab2320d7-f8f4-df46-a786-ec28230e912c Ancestors: Morphic-pre.1489 When wrapping a Morph into a flex shell, first add the flex shell to the Morph's owner (and thus to the Morph's world) before making the Morph a submorph of the flex shell. This avoids unnecessarily sending outOfWorld: to the Morph when adding it to the new flex shell (which doesn't have a world after creation) and intoWorld: when adding the flex shell to the Morph's owner right thereafter. =============== Diff against Morphic-pre.1489 =============== Item was changed: ----- Method: Morph>>addFlexShell (in category 'rotate scale and flex') ----- addFlexShell "Wrap a rotating and scaling shell around this morph." | oldHalo myWorld flexMorph anIndex | - oldHalo:= self halo. myWorld := self world. self owner ifNil: [flexMorph := self newTransformationMorph asFlexOf: self] ifNotNil: [:myOwner | anIndex := myOwner submorphIndexOf: self. + "Avoid triggering outOfWorld: on self by first adding flexMorph to myOwner and only then making myself a submorph of flexMorph via asFlexOf:" + flexMorph := self newTransformationMorph. - flexMorph := self newTransformationMorph asFlexOf: self. myOwner addMorph: flexMorph asElementNumber: anIndex. + flexMorph asFlexOf: self. myWorld ifNotNil: [myWorld startSteppingSubmorphsOf: flexMorph]]. self transferStateToRenderer: flexMorph. oldHalo ifNotNil: [oldHalo setTarget: flexMorph]. ^ flexMorph!

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The Trunk: Tests-mt.412.mcz
by commits＠source.squeak.org 05 Jul '19

05 Jul '19

Marcel Taeumel uploaded a new version of Tests to project The Trunk: http://source.squeak.org/trunk/Tests-mt.412.mcz ==================== Summary ==================== Name: Tests-mt.412 Author: mt Time: 5 July 2019, 4:19:48.095927 pm UUID: 2c15b9f3-d33e-42b6-b9f5-bab98e2f6d03 Ancestors: Tests-pre.411 Fixes max-literals test for EncoderV3* (i.e., pre-SistaV1). =============== Diff against Tests-pre.411 =============== Item was changed: ----- Method: CompilerTest>>testMaxLiteralsWithClassReferenceInClosure (in category 'limits') ----- testMaxLiteralsWithClassReferenceInClosure "Document the maximum number of literals in a compiled method. A class reference in a closure reduces the maximum literals." | bytecodeSetEncoder maxLiterals stringThatCanBeCompiled stringWithOneTooManyLiterals | bytecodeSetEncoder := CompiledMethod preferredBytecodeSetEncoderClass new. maxLiterals := bytecodeSetEncoder maxNumLiterals - 2 "for selector & methodClass" + - (bytecodeSetEncoder supportsFullBlocks ifTrue: [1] ifFalse: [5 "For this example. See below"]) - - (bytecodeSetEncoder supportsFullBlocks ifTrue: [1] ifFalse: [0]) - 4 "for the implicit stream processing into which the brace construct is compiled: (Array braceStream: size) braceArray". stringThatCanBeCompiled := '[ DateAndTime now. Date today. Time ]. { ', (String streamContents: [:strm | 1 to: maxLiterals do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. stringWithOneTooManyLiterals := '[ DateAndTime now. Date today. Time ]. { ', (String streamContents: [:strm | 1 to: maxLiterals + 1 do: [:e | strm nextPutAll: '''', e asString, '''', ' . ']]), '}'. self assert: maxLiterals equals: (Compiler evaluate: stringThatCanBeCompiled) size. "If the following test fails, it means that the limit has been raised or eliminated, and this test should be updated to reflect the improvement." self should: [Compiler evaluate: stringWithOneTooManyLiterals] raise: Error. !

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The Trunk: ToolBuilder-Morphic-mt.228.mcz
by commits＠source.squeak.org 03 Jul '19

03 Jul '19

Marcel Taeumel uploaded a new version of ToolBuilder-Morphic to project The Trunk: http://source.squeak.org/trunk/ToolBuilder-Morphic-mt.228.mcz ==================== Summary ==================== Name: ToolBuilder-Morphic-mt.228 Author: mt Time: 3 July 2019, 7:16:56.953711 pm UUID: ca0ee8a0-9619-8643-a771-e1abc09f5173 Ancestors: ToolBuilder-Morphic-pre.227 Makes pluggable check-box morph compatible with UI themes. =============== Diff against ToolBuilder-Morphic-pre.227 =============== Item was added: + ----- Method: PluggableCheckBoxMorph>>initialize (in category 'initialization') ----- + initialize + + super initialize. + self color: Color transparent.! Item was changed: ----- Method: PluggableCheckBoxMorph>>installButton (in category 'installing') ----- installButton + | aButton | - | aButton aLabel | aButton := UpdatingThreePhaseButtonMorph checkBox target: self model; actionSelector: self actionSelector; getSelector: self valueSelector; + label: self label; yourself. + - aLabel := (StringMorph contents: self label translated - font: (StrikeFont familyName: TextStyle defaultFont familyName - pointSize: TextStyle defaultFont pointSize - 1)). self addMorph: (self horizontalPanel addMorphBack: aButton; + - addMorphBack: aLabel; yourself).!

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Packages July 2019