Packages June 2015

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The Trunk: Tools-eem.626.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

Eliot Miranda uploaded a new version of Tools to project The Trunk: http://source.squeak.org/trunk/Tools-eem.626.mcz ==================== Summary ==================== Name: Tools-eem.626 Author: eem Time: 30 June 2015, 3:05:48.319 pm UUID: 0bfae54b-3e68-4252-98d8-ddb1e56fc869 Ancestors: Tools-mt.625 Upgrade MessageSet class>>parse:toClassAndSelector: to allow one to construct text links in modern syntax, e.g. BitBlt class>>#subPixelRenderColorFonts =============== Diff against Tools-mt.625 =============== Item was changed: ----- Method: MessageSet class>>parse:toClassAndSelector: (in category 'utilities') ----- parse: methodRef toClassAndSelector: csBlock "Decode strings of the form <className> [class] <selectorName>." | tuple cl | self flag: #mref. "compatibility with pre-MethodReference lists" methodRef ifNil: [^ csBlock value: nil value: nil]. methodRef isString ifFalse: [^methodRef setClassAndSelectorIn: csBlock]. methodRef isEmpty ifTrue: [^csBlock value: nil value: nil]. + tuple := (methodRef asString includesSubString: '>>') + ifTrue: [(methodRef findTokens: '>>') fold: [:a :b| (a findTokens: ' '), {b first = $# ifTrue: [b allButFirst] ifFalse: [b]}]] + ifFalse: [methodRef asString findTokens: ' .']. - tuple := methodRef asString findTokens: ' .'. cl := Smalltalk at: tuple first asSymbol ifAbsent: [^ csBlock value: nil value: nil]. ^(tuple size = 2 or: [tuple size > 2 and: [(tuple at: 2) ~= 'class']]) ifTrue: [csBlock value: cl value: (tuple at: 2) asSymbol] ifFalse: [csBlock value: cl class value: (tuple at: 3) asSymbol]!

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The Trunk: Tools-eem.626.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

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The Trunk: ReleaseBuilder-cmm.124.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

Chris Muller uploaded a new version of ReleaseBuilder to project The Trunk: http://source.squeak.org/trunk/ReleaseBuilder-cmm.124.mcz ==================== Summary ==================== Name: ReleaseBuilder-cmm.124 Author: cmm Time: 29 June 2015, 8:45:32.239 pm UUID: 6044f843-3763-485a-acc4-a69b685339f7 Ancestors: ReleaseBuilder-cmm.123 - openWelcomeWorkspaces after prepareNewBuild:. - Moved call to #setProjectBackground: to end of prepareNewBuild so it won't get undone by other initialization. - autoEnclose has been default true in the last releases, it still should. =============== Diff against ReleaseBuilder-cmm.123 =============== Item was added: + ----- Method: ReleaseBuilder class>>openWelcomeWorkspaces (in category 'private') ----- + openWelcomeWorkspaces + |offset | offset:= 50@50. + #('License Information' 'The Squeak User Interface' 'Working With Squeak' 'Release Notes') + with: #(#licenseInformation #squeakUserInterface #workingWithSqueak #releaseNotes) + do: [ : eachLabel : eachAccessor | + TheWorldMainDockingBar instance + showWelcomeText: eachAccessor + label: eachLabel + in: (offset extent: 500@300). + offset := offset + (30@30)]! Item was changed: ----- Method: ReleaseBuilder class>>prepareNewBuild: (in category 'scripts') ----- prepareNewBuild: anMCRepository "ReleaseBuilderTrunk prepareNewBuild" "Prepare everything that should be done for a new image build" MCMcmUpdater updateMissingPackages: true. MCMcmUpdater enableUpdatesForAllPackages. TTCFont registerAll. RealEstateAgent standardSize: 600 @ 400. SystemVersion newVersion: self versionString. SMLoaderPlus setDefaultFilters: (OrderedCollection with: #filterSafelyAvailable). " Preferences outOfTheBox." "<-- uncomment after #defaultValueTableForCurrentRelease is fixed up." self setDisplayExtent: 800 @ 600 ; switchToNewRepository: anMCRepository ; setPreferences ; "<-- remove this after defaultValueTableForCurrentRelease is fixed up." checkForDirtyPackages ; configureDesktop. Smalltalk cleanUp: true. "Let's be explicit about clearing passwords for the publicly-consumed build." "clearPasswords is not very thorough, it should be improved." MCHttpRepository clearCredentials. Utilities setAuthorInitials: String empty. Environment allInstancesDo: [ : env | env purgeUndeclared ]. Undeclared removeUnreferencedKeys. Smalltalk garbageCollect. [ self loadWellKnownPackages "<-- 4.5 is not ready for unloaded / reloaded packages" ]. + Compiler recompileAll. + self + setProjectBackground: Color darkGray ; + openWelcomeWorkspaces! - Compiler recompileAll! Item was changed: ----- Method: ReleaseBuilder class>>setPreferences46 (in category 'preferences') ----- setPreferences46 "Preferences class defaultValueTableForCurrentRelease" - self setProjectBackground: Color darkGray. - "General User interaction" Preferences enable: #swapMouseButtons; disable: #mouseOverForKeyboardFocus. Morph indicateKeyboardFocus: true. "Text input." TextEditor + autoEnclose: true ; - autoEnclose: false ; autoIndent: true ; destructiveBackWord: false ; blinkingCursor: true ; dumbbellCursor: false. Preferences insertionPointColor: Color red. PluggableTextMorph simpleFrameAdornments: false. "Windows" Preferences installUniformWindowColors. SystemWindow reuseWindows: false. Model windowActiveOnFirstClick: false. "Not good for 800x600" Preferences disable: #showSplitterHandles; enable: #fastDragWindowForMorphic. CornerGripMorph drawCornerResizeHandles: false. ProportionalSplitterMorph smartHorizontalSplitters: false ; smartVerticalSplitters: false. "Scroll bars." Preferences enable: #scrollBarsNarrow; enable: #scrollBarsOnRight; disable: #alwaysHideHScrollbar; disable: #alwaysShowHScrollbar; disable: #alwaysShowVScrollbar. ScrollBar scrollBarsWithoutArrowButtons: true; scrollBarsWithoutMenuButton: true. ScrollPane useRetractableScrollBars: false. "Rounded corners." Morph preferredCornerRadius: 6. Preferences disable: #roundedWindowCorners. PluggableButtonMorph roundedButtonCorners: false. FillInTheBlankMorph roundedDialogCorners: false. MenuMorph roundedMenuCorners: false. ScrollBar roundedScrollBarLook: false. "Gradients." Preferences disable: #gradientScrollBars. SystemWindow gradientWindow: false. MenuMorph gradientMenu: false. PluggableButtonMorph gradientButton: false. "Shadows" Preferences enable: #menuAppearance3d. MenuMorph menuBorderWidth: 1; menuBorderColor: Color lightGray; menuLineColor: Color lightGray. Morph useSoftDropShadow: true.. "Lists and Trees" PluggableListMorph filterableLists: true; clearFilterAutomatically: false; highlightHoveredRow: true; menuRequestUpdatesSelection: true. PluggableTreeMorph filterByLabelsOnly: false; maximumSearchDepth: 1. LazyListMorph listSelectionTextColor: Color black; listSelectionColor: (Color r: 0.72 g: 0.72 b: 0.9). "Standard Tools" BalloonMorph setBalloonColorTo: (TranslucentColor r: 0.92 g: 0.92 b: 0.706 alpha: 0.75). Workspace shouldStyle: false. Browser listClassesHierarchically: true; showClassIcons: true; showMessageIcons: true; sortMessageCategoriesAlphabetically: true. Preferences enable: #annotationPanes; enable: #optionalButtons; enable: #diffsWithPrettyPrint; enable: #traceMessages; enable: #alternativeBrowseIt; enable: #menuWithIcons; enable: #visualExplorer. SystemNavigation thoroughSenders: true. "Halo" Preferences enable: #showBoundsInHalo ; disable: #alternateHandlesLook. "System" NetNameResolver enableIPv6: false. Scanner allowUnderscoreAsAssignment: true; prefAllowUnderscoreSelectors: true. + - "that's all, folks"!

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The Trunk: ReleaseBuilder-cmm.124.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

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The Trunk: System-cmm.744.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

Chris Muller uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-cmm.744.mcz ==================== Summary ==================== Name: System-cmm.744 Author: cmm Time: 29 June 2015, 8:30:04.638 pm UUID: 5eaf2569-a953-462f-9637-2481d8b3251c Ancestors: System-topa.743 Updated copyright year. =============== Diff against System-topa.743 =============== Item was changed: ----- Method: SmalltalkImage>>license (in category 'license') ----- license "This method contains the text of the license agreement for Squeak." ^ + 'Copyright (c) The individual, corporate, and institutional contributors who have collectively contributed elements to this software ("The Squeak Community"), 1996-2015 All rights reserved. - 'Copyright (c) The individual, corporate, and institutional contributors who have collectively contributed elements to this software ("The Squeak Community"), 1996-2014 All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Portions of Squeak are covered by the following license Copyright (c) Xerox Corp. 1981, 1982 All rights reserved. Copyright (c) Apple Computer, Inc. 1985-1996 All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. '!

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The Trunk: System-cmm.744.mcz
by commits＠source.squeak.org 30 Jun '15

30 Jun '15

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The Trunk: Collections-topa.637.mcz
by commits＠source.squeak.org 29 Jun '15

29 Jun '15

Tobias Pape uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-topa.637.mcz ==================== Summary ==================== Name: Collections-topa.637 Author: topa Time: 29 June 2015, 3:58:07.48 pm UUID: 32673ced-9c32-44cf-a95e-0cab2033fd30 Ancestors: Collections-eem.636 Always store Characters as if they had one instance variable with their value, regardless whether they are actually shaped that way. =============== Diff against Collections-eem.636 =============== Item was added: + ----- Method: Character>>storeDataOn: (in category 'object fileIn') ----- + storeDataOn: aDataStream + " Store characters in reference-like way, with value like instvar. + This is compatible with various Squeak Memory Systems" + + aDataStream + beginInstance: self class + size: 1. + aDataStream nextPut: self asInteger.!

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The Trunk: Collections-topa.637.mcz
by commits＠source.squeak.org 29 Jun '15

29 Jun '15

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The Trunk: System.spur-topa.743.mcz
by commits＠source.squeak.org 27 Jun '15

27 Jun '15

Eliot Miranda uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System.spur-topa.743.mcz ==================== Summary ==================== Name: System.spur-topa.743 Author: eem Time: 27 June 2015, 12:01:44.841 pm UUID: cba49bd7-cf35-4036-b7e8-de7c37491ff6 Ancestors: System-topa.743, System.spur-topa.742 System-topa.743 patched for Spur by SpurBootstrapMonticelloPackagePatcher Cog-eem.269 Character special-casing: as for DataStream as for SmartRefStream =============== Diff against System-topa.743 =============== Item was removed: - Object subclass: #ObjectHistory - instanceVariableNames: 'marks markProcess' - classVariableNames: 'Current ObjectHistoryEnabled' - poolDictionaries: '' - category: 'System-Support'! - - !ObjectHistory commentStamp: 'bf 11/16/2012 12:19' prior: 0! - ObjectHistory holds ObjectHistoryMark objects which are placed in the object memory at regular intervals by its markProcess in the background. Adjacent marks (with no remaining objects inbetween) are coalesced so over time the collection does not grow unnecessarily large. - - Using these markers it is possible to determine the age of objects in memory from the time the ObjectHistory was initialized. Try e.g.: - self oopTimestamp. - self oopAge. - ObjectHistory current oopClassesByDate. - - Instance Variables - marks: SortedCollection of ObjectHistoryMark objects - markProcess: a Process running our markLoop - ! Item was removed: - ----- Method: ObjectHistory class>>current (in category 'accessing') ----- - current - ^ Current ifNil: [Current := self new]! Item was removed: - ----- Method: ObjectHistory class>>initialize (in category 'class initialization') ----- - initialize - self current. - ! Item was removed: - ----- Method: ObjectHistory class>>keepTrackOfObjectHistory (in category 'preferences') ----- - keepTrackOfObjectHistory - <preference: 'Keep track of object history' - category: #('debug' 'general' 'performance') - description: 'Collect marker objects in the object memory at regular intervals in the background. - - Using these markers it is possible to determine the age of objects in memory from the time the object history was initialized.' - type: #Boolean> - ^ ObjectHistoryEnabled ifNil: [ - Current - ifNil: [false] - ifNotNil: [:objectHistory | objectHistory isRunning]]! Item was removed: - ----- Method: ObjectHistory class>>keepTrackOfObjectHistory: (in category 'preferences') ----- - keepTrackOfObjectHistory: aBoolean - " Reflect the desired state by starting/stopping the process if necessary " - ObjectHistoryEnabled = aBoolean ifTrue: [^ self]. - ObjectHistoryEnabled := aBoolean. - - Current - ifNil: [aBoolean ifTrue: [self current]] - ifNotNil: [:objectHistory | - (objectHistory isRunning xor: aBoolean) "state switch needed" - ifTrue: [objectHistory toggleRunning]].! Item was removed: - ----- Method: ObjectHistory class>>obsolete (in category 'class initialization') ----- - obsolete - "Kill the mark process before removing the class." - Current ifNotNil: - [:objectHistory| - objectHistory terminate]. - super obsolete! Item was removed: - ----- Method: ObjectHistory>>ageOf: (in category 'queries') ----- - ageOf: anObject - "Age of anObject in seconds" - | timestamp | - timestamp := self timestampOf: anObject. - timestamp ifNil: [^0]. - ^(DateAndTime now - timestamp) asSeconds roundTo: self markRate! Item was removed: - ----- Method: ObjectHistory>>initialize (in category 'initializing') ----- - initialize - self restartMarkProcess. - - ! Item was removed: - ----- Method: ObjectHistory>>isRunning (in category 'testing') ----- - isRunning - ^ markProcess - ifNil: [false] - ifNotNil: [:process | - process isSuspended not and: [ - process isTerminated not]]! Item was removed: - ----- Method: ObjectHistory>>markLoop (in category 'marking') ----- - markLoop - [true] whileTrue: [ - self markUpdate. - (Delay forSeconds: self markRate) wait]! Item was removed: - ----- Method: ObjectHistory>>markRate (in category 'marking') ----- - markRate - "rate of creating ObjectHistoryMarks" - ^60! Item was removed: - ----- Method: ObjectHistory>>markUpdate (in category 'marking') ----- - markUpdate - "Add a new mark and compact the marks collection" - | mark prev | - "lazy init so this happens in the background process" - marks ifNil: [self reinitMarks]. - "add new mark to object memory" - mark := self newMark. - mark timestamp <= marks last timestamp ifTrue: [^self "could happen if clock is wrong"]. - marks addLast: mark. - "compact the table by removing adjacent marks" - prev := marks first. - marks removeAllSuchThat: [:each | | doDelete | - doDelete := prev objectAfter == each. - prev := each. - doDelete]. - "The loop above is O(n) in number of marks, but that number should never become so large to be an issue. Even if the number was large, this is running at system background priority so should not interfere with any user process, not even user background processes. The symptom should only be that the system is less idle. - - If we ever get to a point where the number of marks is an issue then the compacting here could be made partial: since old marks rarely get coalesced it would make sense to only check the newer ones often, and the old ones perhaps only at the system startup."! Item was removed: - ----- Method: ObjectHistory>>newMark (in category 'private') ----- - newMark - ^ ObjectHistoryMark new! Item was removed: - ----- Method: ObjectHistory>>oopClassesByAge (in category 'stats') ----- - oopClassesByAge - "Answer collection of (oopAge in seconds -> sorted counts of object classes) sorted from lowest age" - "ObjectHistory current oopClassesByAge" - - | stats prev endOfMemory now bag age obj | - endOfMemory := Object new. - stats := OrderedCollection new: 1000. - prev := nil. - now := self newMark timestamp. - marks do: [:mark | - prev ifNotNil: [ - bag := Bag new. - obj := prev objectAfter. - [obj == mark] whileFalse: [ - bag add: obj class. - obj := obj nextObject. - obj == endOfMemory ifTrue: [self error: 'should not happen']]. - age := (now - mark timestamp) asSeconds roundTo: self markRate. - stats addFirst: age -> bag sortedCounts]. - prev := mark]. - ^ stats - ! Item was removed: - ----- Method: ObjectHistory>>oopClassesByDate (in category 'stats') ----- - oopClassesByDate - "Answer collection of (Date -> sorted counts of object classes) sorted from newest date" - "ObjectHistory current oopClassesByDate" - - | stats prev endOfMemory bag date obj thisDate | - endOfMemory := Object new. - stats := OrderedCollection new: 1000. - prev := nil. - thisDate := nil. - bag := Bag new. - marks do: [:mark | - prev ifNotNil: [ - obj := prev objectAfter. - [obj == mark] whileFalse: [ - bag add: obj class. - obj := obj nextObject. - obj == endOfMemory ifTrue: [self error: 'should not happen']]. - date := mark timestamp asDate. - thisDate = date ifFalse: [ - stats addFirst: date -> bag sortedCounts. - bag := Bag new. - thisDate := date]]. - prev := mark]. - thisDate = date ifFalse: [ - stats addLast: date -> bag sortedCounts]. - ^ stats - ! Item was removed: - ----- Method: ObjectHistory>>oopCountsByAge (in category 'stats') ----- - oopCountsByAge - "Answer collection of (oopAge in seconds -> number of objects) sorted from lowest age" - "ObjectHistory current oopCountsByAge" - - | stats prev endOfMemory now n age obj | - endOfMemory := Object new. - stats := OrderedCollection new: 1000. - prev := nil. - now := self newMark timestamp. - marks do: [:mark | - prev ifNotNil: [ - n := 0. - obj := prev objectAfter. - [obj == mark] whileFalse: [ - n := n + 1. - obj := obj nextObject. - obj == endOfMemory ifTrue: [self error: 'should not happen']]. - age := (now - mark timestamp) asSeconds roundTo: self markRate. - stats addFirst: age -> n]. - prev := mark]. - ^ stats - ! Item was removed: - ----- Method: ObjectHistory>>reinitMarks (in category 'private') ----- - reinitMarks - marks := ObjectHistoryMark allInstances asOrderedCollection. - marks - ifEmpty: [marks add: self newMark] - ifNotEmpty: [ | prev | - prev := nil. - marks removeAllSuchThat: [:obj | - prev notNil and: [prev timestamp >= obj timestamp]]]. - ! Item was removed: - ----- Method: ObjectHistory>>restartMarkProcess (in category 'marking') ----- - restartMarkProcess - markProcess ifNotNil: [markProcess terminate]. - markProcess := [self markLoop] - forkAt: Processor systemBackgroundPriority - named: 'ObjectHistory''s markProcess'. - ! Item was removed: - ----- Method: ObjectHistory>>terminate (in category 'private') ----- - terminate - markProcess ifNotNil: - [markProcess terminate]! Item was removed: - ----- Method: ObjectHistory>>timestampOf: (in category 'queries') ----- - timestampOf: anObject - "Timestamp of anObject, or nil if too new" - | endOfMemory mark | - anObject class == SmallInteger ifTrue: [^nil]. - mark := anObject. - endOfMemory := Object new. - [mark class == ObjectHistoryMark] whileFalse: [ - mark := mark nextObject. - mark == endOfMemory ifTrue: [^nil]]. - ^mark timestamp! Item was removed: - ----- Method: ObjectHistory>>toggleRunning (in category 'private') ----- - toggleRunning - self isRunning - ifTrue: [self terminate] - ifFalse: [self restartMarkProcess]! Item was removed: - Object subclass: #ObjectHistoryMark - instanceVariableNames: 'timestamp' - classVariableNames: '' - poolDictionaries: '' - category: 'System-Support'! - - !ObjectHistoryMark commentStamp: 'bf 11/7/2012 00:12' prior: 0! - An ObjectHistoryMark is a permanent mark in the object memory. It holds a timestamp. - - While the timestamp could be used directly as mark by ObjectHistory, it's conceivable that its format might change in the future, and we do not want the mark's relative position in memory to change (which would be the case if it was migrated to a new format). So we use a distinct object instead (and we protect it against accidental become-ing by overriding those methods).! Item was removed: - ----- Method: ObjectHistoryMark>>become: (in category 'mutating') ----- - become: otherObject - ^self error: 'marks need to stay fixed in the object memory'! Item was removed: - ----- Method: ObjectHistoryMark>>becomeForward: (in category 'mutating') ----- - becomeForward: otherObject - ^self error: 'marks need to stay fixed in the object memory'! Item was removed: - ----- Method: ObjectHistoryMark>>initialize (in category 'initialization') ----- - initialize - timestamp := DateAndTime now floor. - ! Item was removed: - ----- Method: ObjectHistoryMark>>objectAfter (in category 'accessing') ----- - objectAfter - "Answer the next object in memory after me and my timestamp" - | successor | - successor := self nextObject. - successor == timestamp - ifTrue: [successor := successor nextObject]. - ^ successor! Item was removed: - ----- Method: ObjectHistoryMark>>printOn: (in category 'printing') ----- - printOn: aStream - aStream - nextPutAll: self class name; - nextPut: $(; - print: timestamp; - nextPut: $)! Item was removed: - ----- Method: ObjectHistoryMark>>timestamp (in category 'accessing') ----- - timestamp - ^timestamp - ! Item was changed: ----- Method: SmalltalkImage>>compactClassesArray (in category 'special objects') ----- compactClassesArray "Smalltalk compactClassesArray" + "Backward-compatibility support. Spur does not have compact classes." + ^{}! - "Return the array of 31 classes whose instances may be - represented compactly" - ^ self specialObjectsArray at: 29! Item was added: + ----- Method: SmalltalkImage>>growMemoryByAtLeast: (in category 'memory space') ----- + growMemoryByAtLeast: numBytes + "Grow memory by at least the requested number of bytes. + Primitive. Essential. Fail if no memory is available." + <primitive: 180> + (numBytes isInteger and: [numBytes > 0]) ifTrue: + [OutOfMemory signal]. + ^self primitiveFailed! Item was added: + ----- Method: SmalltalkImage>>maxIdentityHash (in category 'system attributes') ----- + maxIdentityHash + "Answer the maximum identityHash value supported by the VM." + <primitive: 176> + ^self primitiveFailed! Item was changed: ----- Method: SmalltalkImage>>primBytesLeft (in category 'memory space') ----- primBytesLeft + "Primitive. Answer the number of free bytes available in old space. + Not accurate unless preceded by - "Primitive. Answer the number of bytes available for new object data. - Not accurate unless preceded by Smalltalk garbageCollectMost (for reasonable accuracy), or Smalltalk garbageCollect (for real accuracy). + See Object documentation whatIsAPrimitive." - See Object documentation whatIsAPrimitive." <primitive: 112> + ^0! - ^ 0! Item was changed: ----- Method: SmalltalkImage>>primitiveGarbageCollect (in category 'memory space') ----- primitiveGarbageCollect + "Primitive. Reclaims all garbage and answers the size of the largest free chunk in old space.." - "Primitive. Reclaims all garbage and answers the number of bytes of available space." <primitive: 130> + ^self primitiveFailed! - ^ self primBytesLeft! Item was changed: ----- Method: SmalltalkImage>>recreateSpecialObjectsArray (in category 'special objects') ----- recreateSpecialObjectsArray "Smalltalk recreateSpecialObjectsArray" "To external package developers: **** DO NOT OVERRIDE THIS METHOD. ***** If you are writing a plugin and need additional special object(s) for your own use, use addGCRoot() function and use own, separate special objects registry " "The Special Objects Array is an array of objects used by the Squeak virtual machine. Its contents are critical and accesses to it by the VM are unchecked, so don't even think of playing here unless you know what you are doing." | newArray | + newArray := Array new: 60. - newArray := Array new: 58. "Nil false and true get used throughout the interpreter" newArray at: 1 put: nil. newArray at: 2 put: false. newArray at: 3 put: true. "This association holds the active process (a ProcessScheduler)" newArray at: 4 put: (self specialObjectsArray at: 4) "(self bindingOf: #Processor) but it answers an Alias". "Numerous classes below used for type checking and instantiation" newArray at: 5 put: Bitmap. newArray at: 6 put: SmallInteger. newArray at: 7 put: ByteString. newArray at: 8 put: Array. newArray at: 9 put: Smalltalk. + newArray at: 10 put: BoxedFloat64. + newArray at: 11 put: (self globals at: #MethodContext ifAbsent: [self globals at: #Context]). + newArray at: 12 put: nil. "was BlockContext." - newArray at: 10 put: Float. - newArray at: 11 put: MethodContext. - newArray at: 12 put: BlockContext. newArray at: 13 put: Point. newArray at: 14 put: LargePositiveInteger. newArray at: 15 put: Display. newArray at: 16 put: Message. newArray at: 17 put: CompiledMethod. + newArray at: 18 put: ((self specialObjectsArray at: 18) ifNil: [Semaphore new]). "low space Semaphore" - newArray at: 18 put: (self specialObjectsArray at: 18). - "(low space Semaphore)" newArray at: 19 put: Semaphore. newArray at: 20 put: Character. newArray at: 21 put: #doesNotUnderstand:. newArray at: 22 put: #cannotReturn:. newArray at: 23 put: nil. "This is the process signalling low space." "An array of the 32 selectors that are compiled as special bytecodes, paired alternately with the number of arguments each takes." newArray at: 24 put: #( #+ 1 #- 1 #< 1 #> 1 #<= 1 #>= 1 #= 1 #~= 1 #* 1 #/ 1 #\\ 1 #@ 1 #bitShift: 1 #// 1 #bitAnd: 1 #bitOr: 1 #at: 1 #at:put: 2 #size 0 #next 0 #nextPut: 1 #atEnd 0 #== 1 #class 0 #blockCopy: 1 #value 0 #value: 1 #do: 1 #new 0 #new: 1 #x 0 #y 0 ). "An array of the 255 Characters in ascii order. + Cog inlines table into machine code at: prim so do not regenerate it. + This is nil in Spur, which has immediate Characters." - Cog inlines table into machine code at: prim so do not regenerate it." newArray at: 25 put: (self specialObjectsArray at: 25). newArray at: 26 put: #mustBeBoolean. newArray at: 27 put: ByteArray. newArray at: 28 put: Process. + "An array of up to 31 classes whose instances will have compact headers; an empty array in Spur" - "An array of up to 31 classes whose instances will have compact headers" newArray at: 29 put: self compactClassesArray. + newArray at: 30 put: ((self specialObjectsArray at: 30) ifNil: [Semaphore new]). "delay Semaphore" + newArray at: 31 put: ((self specialObjectsArray at: 31) ifNil: [Semaphore new]). "user interrupt Semaphore" - newArray at: 30 put: (self specialObjectsArray at: 30). "(delay Semaphore)" - newArray at: 31 put: (self specialObjectsArray at: 31). "(user interrupt Semaphore)" "Entries 32 - 34 unreferenced. Previously these contained prototype instances to be copied for fast initialization" + newArray at: 32 put: nil. "was the prototype Float" + newArray at: 33 put: nil. "was the prototype 4-byte LargePositiveInteger" + newArray at: 34 put: nil. "was the prototype Point" - newArray at: 32 put: nil. "was (Float new: 2)" - newArray at: 33 put: nil. "was (LargePositiveInteger new: 4)" - newArray at: 34 put: nil. "was Point new" newArray at: 35 put: #cannotInterpret:. + newArray at: 36 put: nil. "was the prototype MethodContext" - "Note: This must be fixed once we start using context prototypes (yeah, right)" - "(MethodContext new: CompiledMethod fullFrameSize)." - newArray at: 36 put: (self specialObjectsArray at: 36). "Is the prototype MethodContext (unused by the VM)" newArray at: 37 put: BlockClosure. + newArray at: 38 put: nil. "was the prototype BlockContext" - "(BlockContext new: CompiledMethod fullFrameSize)." - newArray at: 38 put: (self specialObjectsArray at: 38). "Is the prototype BlockContext (unused by the VM)" "array of objects referred to by external code" + newArray at: 39 put: (self specialObjectsArray at: 39). "external semaphores" - newArray at: 39 put: (self specialObjectsArray at: 39). "preserve external semaphores" newArray at: 40 put: nil. "Reserved for Mutex in Cog VMs" + newArray at: 41 put: ((self specialObjectsArray at: 41) ifNil: [LinkedList new]). "Reserved for a LinkedList instance for overlapped calls in CogMT" + newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). "finalization Semaphore" - newArray at: 41 put: nil. "Reserved for a LinkedList instance for overlapped calls in CogMT" - "finalization Semaphore" - newArray at: 42 put: ((self specialObjectsArray at: 42) ifNil: [Semaphore new]). newArray at: 43 put: LargeNegativeInteger. "External objects for callout. Note: Written so that one can actually completely remove the FFI." newArray at: 44 put: (self at: #ExternalAddress ifAbsent: []). newArray at: 45 put: (self at: #ExternalStructure ifAbsent: []). newArray at: 46 put: (self at: #ExternalData ifAbsent: []). newArray at: 47 put: (self at: #ExternalFunction ifAbsent: []). newArray at: 48 put: (self at: #ExternalLibrary ifAbsent: []). newArray at: 49 put: #aboutToReturn:through:. newArray at: 50 put: #run:with:in:. "51 reserved for immutability message" + newArray at: 51 put: #attemptToAssign:withIndex:. - "newArray at: 51 put: #attemptToAssign:withIndex:." - newArray at: 51 put: (self specialObjectsArray at: 51 ifAbsent: []). newArray at: 52 put: #(nil "nil => generic error" #'bad receiver' #'bad argument' #'bad index' #'bad number of arguments' #'inappropriate operation' #'unsupported operation' #'no modification' #'insufficient object memory' #'insufficient C memory' #'not found' #'bad method' #'internal error in named primitive machinery' #'object may move' #'resource limit exceeded' + #'object is pinned' #'primitive write beyond end of object'). - #'object is pinned'). "53 to 55 are for Alien" newArray at: 53 put: (self at: #Alien ifAbsent: []). + newArray at: 54 put: #invokeCallbackContext:. "use invokeCallback:stack:registers:jmpbuf: for old Alien callbacks." - newArray at: 54 put: #invokeCallbackContext::. "use invokeCallback:stack:registers:jmpbuf: for old Alien callbacks." newArray at: 55 put: (self at: #UnsafeAlien ifAbsent: []). + "Used to be WeakFinalizationList for WeakFinalizationList hasNewFinalization, obsoleted by ephemeron support." + newArray at: 56 put: nil. - "Weak reference finalization" - newArray at: 56 put: (self at: #WeakFinalizationList ifAbsent: []). "reserved for foreign callback process" newArray at: 57 put: (self specialObjectsArray at: 57 ifAbsent: []). newArray at: 58 put: #unusedBytecode. + "59 reserved for Sista counter tripped message" + newArray at: 59 put: #conditionalBranchCounterTrippedOn:. + "60 reserved for Sista class trap message" + newArray at: 60 put: #classTrapFor:. "Now replace the interpreter's reference in one atomic operation" + self specialObjectsArray becomeForward: newArray! - self specialObjectsArray becomeForward: newArray - ! Item was changed: ----- Method: SmalltalkImage>>setGCParameters (in category 'snapshot and quit') ----- setGCParameters + "Adjust the VM's default GC parameters to avoid too much tenuring. + Maybe this should be left to the VM?" - "Adjust the VM's default GC parameters to avoid premature tenuring." + | proportion edenSize survivorSize averageObjectSize numObjects | + proportion := 0.9. "tenure when 90% of pastSpace is full" + edenSize := SmalltalkImage current vmParameterAt: 44. + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" + averageObjectSize := 8 * self wordSize. "a good approximation" + numObjects := (proportion * survivorSize / averageObjectSize) rounded. + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! - self vmParameterAt: 5 put: 4000. "do an incremental GC after this many allocations" - self vmParameterAt: 6 put: 2000. "tenure when more than this many objects survive the GC" - ! Item was changed: ----- Method: SpaceTally>>spaceForInstancesOf: (in category 'instance size') ----- spaceForInstancesOf: aClass + "Answer a pair of the number of bytes consumed by all instances of the + given class, including their object headers, and the number of instances." - "Answer the number of bytes consumed by all instances of the given class, including their object headers and the number of instances." + | instances total | + instances := aClass allInstances. + instances isEmpty ifTrue: [^#(0 0)]. - | smallHeaderSize instVarBytes isVariable bytesPerElement total lastInstance instance instanceCount | - instance := aClass someInstance ifNil: [ ^#(0 0) ]. - smallHeaderSize := aClass isCompact ifTrue: [ 4 ] ifFalse: [ 8 ]. - instVarBytes := aClass instSize * 4. - isVariable := aClass isVariable. - bytesPerElement := isVariable - ifFalse: [ 0 ] - ifTrue: [ aClass isBytes ifTrue: [ 1 ] ifFalse: [ 4 ] ]. total := 0. + aClass isVariable + ifTrue: + [instances do: + [:i| total := total + (aClass byteSizeOfInstanceOfSize: i basicSize)]] + ifFalse: + [total := instances size * aClass byteSizeOfInstance]. + ^{ total. instances size }! - instanceCount := 0. - "A modified version of #allInstancesDo: is inlined here. It avoids an infinite loop when another process is creating new instances of aClass." - self flag: #allInstancesDo:. - lastInstance := - aClass == CompiledMethod "CompiledMethod has special format, see its class comment" - ifTrue: [aClass new] - ifFalse: [aClass basicNew]. - [ instance == lastInstance ] whileFalse: [ - | contentBytes headerBytes | - contentBytes := instVarBytes + (isVariable - ifFalse: [ 0 ] - ifTrue: [ instance basicSize * bytesPerElement ]). - headerBytes := contentBytes > 255 - ifTrue: [ 12 ] - ifFalse: [ smallHeaderSize ]. - total := total + headerBytes + (contentBytes roundUpTo: 4). - instanceCount := instanceCount + 1. - instance := instance nextInstance ]. - ^{ total. instanceCount }! Item was added: + ----- Method: SystemDictionary>>growMemoryByAtLeast: (in category 'memory space') ----- + growMemoryByAtLeast: numBytes + "Grow memory by at least the requested number of bytes. + Primitive. Fail if no memory is available. Essential." + <primitive: 180> + ^(numBytes isInteger and: [numBytes > 0]) + ifTrue: [OutOfMemory signal] + ifFalse: [self primitiveFailed]! Item was added: + ----- Method: SystemDictionary>>maxIdentityHash (in category 'system attributes') ----- + maxIdentityHash + "Answer the maximum identityHash value supported by the VM." + <primitive: 176> + ^self primitiveFailed! Item was added: + ----- Method: SystemDictionary>>setGCParameters (in category 'snapshot and quit') ----- + setGCParameters + "Adjust the VM's default GC parameters to avoid too much tenuring. + Maybe this should be left to the VM?" + + | proportion edenSize survivorSize averageObjectSize numObjects | + proportion := 0.9. "tenure when 90% of pastSpace is full" + edenSize := SmalltalkImage current vmParameterAt: 44. + survivorSize := edenSize / 5.0. "David's paper uses 140Kb eden + 2 x 28kb survivor spaces; Spur uses the same ratios :-)" + averageObjectSize := 8 * self wordSize. "a good approximation" + numObjects := (proportion * survivorSize / averageObjectSize) rounded. + SmalltalkImage current vmParameterAt: 6 put: numObjects "tenure when more than this many objects survive the GC"! Item was added: + ----- Method: SystemNavigation>>allObjects (in category 'query') ----- + allObjects + "Answer an Array of all objects in the system. Fail if + there isn't enough memory to instantiate the result." + <primitive: 178> + ^self primitiveFailed! Item was changed: ----- Method: SystemNavigation>>allObjectsDo: (in category 'query') ----- allObjectsDo: aBlock + "Evaluate the argument, aBlock, for each object in the system, excluding immediates + such as SmallInteger and Character." + self allObjectsOrNil + ifNotNil: [:allObjects| allObjects do: aBlock] + ifNil: + ["Fall back on the old single object primitive code. With closures, this needs + to use an end marker (lastObject) since activation of the block will create + new contexts and cause an infinite loop. The lastObject must be created + before calling someObject, so that the VM can settle the enumeration (e.g. + by flushing new space) as a side effect of someObject" + | object lastObject | + lastObject := Object new. + object := self someObject. + [lastObject == object or: [0 == object]] whileFalse: + [aBlock value: object. + object := object nextObject]]! - "Evaluate the argument, aBlock, for each object in the system - excluding SmallIntegers. With closures, this needs to use an end - marker (lastObject) since activation of the block will create new - contexts and cause an infinite loop." - | object lastObject | - object := self someObject. - lastObject := Object new. - [lastObject == object or: [0 == object]] - whileFalse: [aBlock value: object. - object := object nextObject]! Item was added: + ----- Method: SystemNavigation>>allObjectsOrNil (in category 'query') ----- + allObjectsOrNil + "Answer an Array of all objects in the system. Fail if there isn't + enough memory to instantiate the result and answer nil." + <primitive: 178> + ^nil!

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The Trunk: System.spur-topa.743.mcz
by commits＠source.squeak.org 27 Jun '15

27 Jun '15

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