Squeak-dev August 2010

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325 discussions

DigitalSignatureAlgorithm>>#initRandomNonInteractively is not random
by Rob Withers 27 Aug '10

27 Aug '10

I found a problem with DigitalSignatureAlgorithm>>#initRandomNonInteractively. It is grabbing randomBits from the SoundSystem, but I may not have that installed. It gave me the same bits repeatedly. I modified DigitalSignatureAlgorithm>>#initRandomNonInteractively to not rely on the SoundSystem and instead use SecureRandom. This is published in the Cryptography repository. Rob

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Daily Commit Log
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

Changes to Trunk (http://source.squeak.org/trunk.html) in the last 24 hours: http://lists.squeakfoundation.org/pipermail/packages/2010-August/003651.html Name: System-mha.362 Ancestors: System-hjh.361 Added an example to the comment of SystemNavigation. (Submitted by Hannes Hirzel.) ============================================= http://lists.squeakfoundation.org/pipermail/packages/2010-August/003652.html Name: Collections-nice.372 Ancestors: Collections-ar.371 Enhance Dictionary comment. Fix Set comment, a Set can includes: nil. Fix a typo in IdentitySet. Comment KeyedIdentitySet and SetElement. Note: I didn't make any effort wrt style homogeneity. Prefered style should be defined first. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2010-August/003653.html Name: System-cbc.363 Ancestors: System-mha.362 Modified SmalltalkImage>>unloadAllKnownPackages to flag those packages to be ignored in future trunk updates. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2010-August/003654.html Name: MonticelloConfigurations-cbc.82 Ancestors: MonticelloConfigurations-cbc.81 Updated comment for MCMcmUpdater to explain the recent changes to this class. ============================================= http://lists.squeakfoundation.org/pipermail/packages/2010-August/003655.html Name: MonticelloConfigurations-cbc.83 Ancestors: MonticelloConfigurations-cbc.82 Updated MCMcmUpdater comment to reflect current state better. =============================================

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large dense sets of 1..n
by Ralph Boland 27 Aug '10

27 Aug '10

I need to create some dense sets which will contain subsets of the integers 1..n where n is very large. I don't want to use regular sets because they would use to much space. Instead I want to map each set to an array of approximately size n/8 bytes which, because my sets will be dense, will save space. Containment of a number k in a set is to be determined by testing whether bit k is set or cleared. Pretty standard stuff I think. Is there code already that does this? If not, I will create a class LargeDenseSet containing some instance bitMap that holds the necessary space. For bitMap, is it better for me to use an array of integers or a LargePositiveInteger. How about using a BltBit? Is LargeDenseSet a sufficiently used class to be part of Squeak or at least part of some standard package? Regards, Ralph Boland

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The Trunk: MonticelloConfigurations-cbc.83.mcz
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

Bert Freudenberg uploaded a new version of MonticelloConfigurations to project The Trunk: http://source.squeak.org/trunk/MonticelloConfigurations-cbc.83.mcz ==================== Summary ==================== Name: MonticelloConfigurations-cbc.83 Author: cbc Time: 26 August 2010, 4:43:00.636 pm UUID: c000dc48-6697-8042-8bc0-636dd62ce6a2 Ancestors: MonticelloConfigurations-cbc.82 Updated MCMcmUpdater comment to reflect current state better. =============== Diff against MonticelloConfigurations-cbc.82 =============== Item was changed: Object subclass: #MCMcmUpdater instanceVariableNames: '' classVariableNames: 'DefaultUpdateURL LastUpdateMap SkipPackages UpdateMissingPackages' poolDictionaries: '' category: 'MonticelloConfigurations'! + !MCMcmUpdater commentStamp: 'cbc 8/26/2010 16:42' prior: 0! - !MCMcmUpdater commentStamp: 'cbc 8/25/2010 23:52' prior: 0! MCMcmUpdater provides utility methods for updating Monticello packages from Monticello configurations. When Monticello configurations are stored in a repository (or repositories), MCMcmUpdater acts as an update stream. It first ensures that each configuration map has been loaded in sequence, then updates the last configuration map to the most recent version for each specified package, and finally loads these versions to produce a fully updated configuration. + Currently if a set of packages are unloaded from the image, using this class to reload them may cause problems, depending on what dependencies those classes have. Success is not assured. Removing packages via SmalltalkImage>>unloadAllKnownPackages will be successful, it flags the packages removed so that they are not loaded by this utility. - Currently if a set of packages are unloaded from the image, using this class to reload them may cause problems, depending on what dependencies those classes have. Success is not assured. If you wish to not have MCMcmUpdater update packages, there are two ways to handle this: + + 1) To have MCMcmUpdater not update any packages not currently in the image set the UpdateMissingPackages preference to false: - 1) To not update any packages not currently in the image, evaluate MCMcmUpdater updateMissingPackages: false Note that any new packages added to the repositories will not be picked up when this is turned off. + 2) To have MCMcmUpdater not update a specific package, evaluate - To re-enable updating of missing packages disabled in this way, evaluate - MCMcmUpdater updateMissingPackages: true - 2) To not updat specific packages, evaluate MCMcmUpdater disableUpdatesOfPackage: <packageName> - To re-enable updating of a specific package turned of by method 2, evaluate: - MCMcmUpdater enableUpdatesOfPackage: <packageName> - To re-enable updating of all packages previously disabled by method 2, evaluate - MCMcmUpdator enableUpdatesForAllPackages - Note that work is progressing to automatically not update packages that are unloaded. At this time, this is not turned on. - Class Variables definitions: + DefaultUpdateURL - String: the URL that will be checked by default for updates. This would be set for a common standard location to check. - DefaultUpdateURL - this is the URL that will be checked by default for updates. This would be set for a common standard location to check. + LastUpdateMap - Dictionary of Integer: version number of the last loaded update map per repository. Keeps track of the last configuration map, so that the utility will not have to run through the full history in the repositories each time you ask to update. - LastUpdateMap - Keeps track of the last configuration map, so that the utility will not have to run through the full history in the repositories each time you ask to update. + SkipPackages - Set of Strings: names of packages to not update in MCMcmUpdater (empty by default). - SkipPackages - Keeps track of the specific packages that are not to be updated in this image (usually because they were unloaded). + UpdateMissingPackages - Boolean: if true (default), new packages in the update config map will be loaded unless they are in SkipPackages. If false, packages not currently loaded in the image will not be loaded by MCMcmUpdater. (This can be dangerous if packages are split - use at your own risk). - UpdateMissingPackages - Indicates if this utility should attempt to load packages that are not currently in the system. !

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The Inbox: MonticelloConfigurations-cbc.83.mcz
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

A new version of MonticelloConfigurations was added to project The Inbox: http://source.squeak.org/inbox/MonticelloConfigurations-cbc.83.mcz ==================== Summary ==================== Name: MonticelloConfigurations-cbc.83 Author: cbc Time: 26 August 2010, 4:43:00.636 pm UUID: c000dc48-6697-8042-8bc0-636dd62ce6a2 Ancestors: MonticelloConfigurations-cbc.82 Updated MCMcmUpdater comment to reflect current state better. =============== Diff against MonticelloConfigurations-cbc.82 =============== Item was changed: Object subclass: #MCMcmUpdater instanceVariableNames: '' classVariableNames: 'DefaultUpdateURL LastUpdateMap SkipPackages UpdateMissingPackages' poolDictionaries: '' category: 'MonticelloConfigurations'! + !MCMcmUpdater commentStamp: 'cbc 8/26/2010 16:42' prior: 0! - !MCMcmUpdater commentStamp: 'cbc 8/25/2010 23:52' prior: 0! MCMcmUpdater provides utility methods for updating Monticello packages from Monticello configurations. When Monticello configurations are stored in a repository (or repositories), MCMcmUpdater acts as an update stream. It first ensures that each configuration map has been loaded in sequence, then updates the last configuration map to the most recent version for each specified package, and finally loads these versions to produce a fully updated configuration. + Currently if a set of packages are unloaded from the image, using this class to reload them may cause problems, depending on what dependencies those classes have. Success is not assured. Removing packages via SmalltalkImage>>unloadAllKnownPackages will be successful, it flags the packages removed so that they are not loaded by this utility. - Currently if a set of packages are unloaded from the image, using this class to reload them may cause problems, depending on what dependencies those classes have. Success is not assured. If you wish to not have MCMcmUpdater update packages, there are two ways to handle this: + + 1) To have MCMcmUpdater not update any packages not currently in the image set the UpdateMissingPackages preference to false: - 1) To not update any packages not currently in the image, evaluate MCMcmUpdater updateMissingPackages: false Note that any new packages added to the repositories will not be picked up when this is turned off. + 2) To have MCMcmUpdater not update a specific package, evaluate - To re-enable updating of missing packages disabled in this way, evaluate - MCMcmUpdater updateMissingPackages: true - 2) To not updat specific packages, evaluate MCMcmUpdater disableUpdatesOfPackage: <packageName> - To re-enable updating of a specific package turned of by method 2, evaluate: - MCMcmUpdater enableUpdatesOfPackage: <packageName> - To re-enable updating of all packages previously disabled by method 2, evaluate - MCMcmUpdator enableUpdatesForAllPackages - Note that work is progressing to automatically not update packages that are unloaded. At this time, this is not turned on. - Class Variables definitions: + DefaultUpdateURL - String: the URL that will be checked by default for updates. This would be set for a common standard location to check. - DefaultUpdateURL - this is the URL that will be checked by default for updates. This would be set for a common standard location to check. + LastUpdateMap - Dictionary of Integer: version number of the last loaded update map per repository. Keeps track of the last configuration map, so that the utility will not have to run through the full history in the repositories each time you ask to update. - LastUpdateMap - Keeps track of the last configuration map, so that the utility will not have to run through the full history in the repositories each time you ask to update. + SkipPackages - Set of Strings: names of packages to not update in MCMcmUpdater (empty by default). - SkipPackages - Keeps track of the specific packages that are not to be updated in this image (usually because they were unloaded). + UpdateMissingPackages - Boolean: if true (default), new packages in the update config map will be loaded unless they are in SkipPackages. If false, packages not currently loaded in the image will not be loaded by MCMcmUpdater. (This can be dangerous if packages are split - use at your own risk). - UpdateMissingPackages - Indicates if this utility should attempt to load packages that are not currently in the system. !

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The Trunk: MonticelloConfigurations-cbc.82.mcz
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

Bert Freudenberg uploaded a new version of MonticelloConfigurations to project The Trunk: http://source.squeak.org/trunk/MonticelloConfigurations-cbc.82.mcz ==================== Summary ==================== Name: MonticelloConfigurations-cbc.82 Author: cbc Time: 25 August 2010, 11:54:43.082 pm UUID: 8fee1f94-014b-9949-9125-4649684d4c66 Ancestors: MonticelloConfigurations-cbc.81 Updated comment for MCMcmUpdater to explain the recent changes to this class. =============== Diff against MonticelloConfigurations-cbc.81 =============== Item was changed: Object subclass: #MCMcmUpdater instanceVariableNames: '' classVariableNames: 'DefaultUpdateURL LastUpdateMap SkipPackages UpdateMissingPackages' poolDictionaries: '' category: 'MonticelloConfigurations'! + !MCMcmUpdater commentStamp: 'cbc 8/25/2010 23:52' prior: 0! - !MCMcmUpdater commentStamp: 'dtl 5/10/2010 23:22' prior: 0! MCMcmUpdater provides utility methods for updating Monticello packages from Monticello configurations. + When Monticello configurations are stored in a repository (or repositories), MCMcmUpdater acts as an update stream. It first ensures that each configuration map has been loaded in sequence, then updates the last configuration map to the most recent version for each specified package, and finally loads these versions to produce a fully updated configuration. + + Currently if a set of packages are unloaded from the image, using this class to reload them may cause problems, depending on what dependencies those classes have. Success is not assured. + + If you wish to not have MCMcmUpdater update packages, there are two ways to handle this: + 1) To not update any packages not currently in the image, evaluate + MCMcmUpdater updateMissingPackages: false + Note that any new packages added to the repositories will not be picked up when this is turned off. + To re-enable updating of missing packages disabled in this way, evaluate + MCMcmUpdater updateMissingPackages: true + 2) To not updat specific packages, evaluate + MCMcmUpdater disableUpdatesOfPackage: <packageName> + To re-enable updating of a specific package turned of by method 2, evaluate: + MCMcmUpdater enableUpdatesOfPackage: <packageName> + To re-enable updating of all packages previously disabled by method 2, evaluate + MCMcmUpdator enableUpdatesForAllPackages + + Note that work is progressing to automatically not update packages that are unloaded. At this time, this is not turned on. + + Class Variables definitions: + + DefaultUpdateURL - this is the URL that will be checked by default for updates. This would be set for a common standard location to check. + + LastUpdateMap - Keeps track of the last configuration map, so that the utility will not have to run through the full history in the repositories each time you ask to update. + + SkipPackages - Keeps track of the specific packages that are not to be updated in this image (usually because they were unloaded). + + UpdateMissingPackages - Indicates if this utility should attempt to load packages that are not currently in the system. + ! - When Monticello configurations are stored in a repository, MCMcmUpdater acts as an update stream. It first ensures that each configuration map has been loaded in sequence, then updates the last configuration map to the most recent version for each specified package, and finally loads these versions to produce a fully updated configuration. !

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The Trunk: System-cbc.363.mcz
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

Bert Freudenberg uploaded a new version of System to project The Trunk: http://source.squeak.org/trunk/System-cbc.363.mcz ==================== Summary ==================== Name: System-cbc.363 Author: cbc Time: 26 August 2010, 4:27:56.467 pm UUID: bac80124-a05f-dd47-b1ae-f52d4b172282 Ancestors: System-mha.362 Modified SmalltalkImage>>unloadAllKnownPackages to flag those packages to be ignored in future trunk updates. =============== Diff against System-mha.362 =============== Item was changed: ----- Method: SmalltalkImage>>unloadAllKnownPackages (in category 'shrinking') ----- unloadAllKnownPackages "Unload all packages we know how to unload and reload" "Prepare unloading" Smalltalk zapMVCprojects. Flaps disableGlobalFlaps: false. StandardScriptingSystem removeUnreferencedPlayers. Project removeAllButCurrent. #('Morphic-UserObjects' 'EToy-UserObjects' 'Morphic-Imported' ) do: [:each | SystemOrganization removeSystemCategory: each]. Smalltalk at: #ServiceRegistry ifPresent:[:aClass| SystemChangeNotifier uniqueInstance noMoreNotificationsFor: aClass. ]. World removeAllMorphs. "Go unloading" #( 'ReleaseBuilder' 'ScriptLoader' '311Deprecated' '39Deprecated' 'Universes' 'SMLoader' 'SMBase' 'Installer-Core' 'VersionNumberTests' 'VersionNumber' 'Services-Base' 'PreferenceBrowser' 'Nebraska' 'ToolBuilder-MVC' 'ST80' 'CollectionsTests' 'GraphicsTests' 'KernelTests' 'MorphicTests' 'MultilingualTests' 'NetworkTests' 'ToolsTests' 'TraitsTests' 'SystemChangeNotification-Tests' 'FlexibleVocabularies' 'EToys' 'Protocols' 'XML-Parser' 'Tests' 'SUnitGUI' + ) do: [:pkgName| + (MCPackage named: pkgName) unload. + MCMcmUpdater disableUpdatesOfPackage: pkgName. + ]. - ) do:[:pkgName| (MCPackage named: pkgName) unload]. "Traits use custom unload" Smalltalk at: #Trait ifPresent:[:aClass| aClass unloadTraits]. "Post-unload cleanup" MCWorkingCopy flushObsoletePackageInfos. SystemOrganization removeSystemCategory: 'UserObjects'. Presenter defaultPresenterClass: nil. World dumpPresenter. ScheduledControllers := nil. Preferences removePreference: #allowEtoyUserCustomEvents. SystemOrganization removeEmptyCategories. ChangeSet removeChangeSetsNamedSuchThat:[:cs | (cs == ChangeSet current) not]. Undeclared removeUnreferencedKeys. StandardScriptingSystem initialize. MCFileBasedRepository flushAllCaches. MCDefinition clearInstances. Behavior flushObsoleteSubclasses. ChangeSet current clear. ChangeSet current name: 'Unnamed1'. Smalltalk flushClassNameCache. Smalltalk at: #Browser ifPresent:[:br| br initialize]. DebuggerMethodMap voidMapCache. DataStream initialize. Smalltalk forgetDoIts. AppRegistry removeObsolete. FileServices removeObsolete. Preferences removeObsolete. TheWorldMenu removeObsolete. Smalltalk garbageCollect. Symbol compactSymbolTable. TheWorldMainDockingBar updateInstances. MorphicProject defaultFill: (Color gray: 0.9). World color: (Color gray: 0.9). !

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The Inbox: System-cbc.363.mcz
by commits＠source.squeak.org 27 Aug '10

27 Aug '10

A new version of System was added to project The Inbox: http://source.squeak.org/inbox/System-cbc.363.mcz ==================== Summary ==================== Name: System-cbc.363 Author: cbc Time: 26 August 2010, 4:27:56.467 pm UUID: bac80124-a05f-dd47-b1ae-f52d4b172282 Ancestors: System-mha.362 Modified SmalltalkImage>>unloadAllKnownPackages to flag those packages to be ignored in future trunk updates. =============== Diff against System-mha.362 =============== Item was changed: ----- Method: SmalltalkImage>>unloadAllKnownPackages (in category 'shrinking') ----- unloadAllKnownPackages "Unload all packages we know how to unload and reload" "Prepare unloading" Smalltalk zapMVCprojects. Flaps disableGlobalFlaps: false. StandardScriptingSystem removeUnreferencedPlayers. Project removeAllButCurrent. #('Morphic-UserObjects' 'EToy-UserObjects' 'Morphic-Imported' ) do: [:each | SystemOrganization removeSystemCategory: each]. Smalltalk at: #ServiceRegistry ifPresent:[:aClass| SystemChangeNotifier uniqueInstance noMoreNotificationsFor: aClass. ]. World removeAllMorphs. "Go unloading" #( 'ReleaseBuilder' 'ScriptLoader' '311Deprecated' '39Deprecated' 'Universes' 'SMLoader' 'SMBase' 'Installer-Core' 'VersionNumberTests' 'VersionNumber' 'Services-Base' 'PreferenceBrowser' 'Nebraska' 'ToolBuilder-MVC' 'ST80' 'CollectionsTests' 'GraphicsTests' 'KernelTests' 'MorphicTests' 'MultilingualTests' 'NetworkTests' 'ToolsTests' 'TraitsTests' 'SystemChangeNotification-Tests' 'FlexibleVocabularies' 'EToys' 'Protocols' 'XML-Parser' 'Tests' 'SUnitGUI' + ) do: [:pkgName| + (MCPackage named: pkgName) unload. + MCMcmUpdater disableUpdatesOfPackage: pkgName. + ]. - ) do:[:pkgName| (MCPackage named: pkgName) unload]. "Traits use custom unload" Smalltalk at: #Trait ifPresent:[:aClass| aClass unloadTraits]. "Post-unload cleanup" MCWorkingCopy flushObsoletePackageInfos. SystemOrganization removeSystemCategory: 'UserObjects'. Presenter defaultPresenterClass: nil. World dumpPresenter. ScheduledControllers := nil. Preferences removePreference: #allowEtoyUserCustomEvents. SystemOrganization removeEmptyCategories. ChangeSet removeChangeSetsNamedSuchThat:[:cs | (cs == ChangeSet current) not]. Undeclared removeUnreferencedKeys. StandardScriptingSystem initialize. MCFileBasedRepository flushAllCaches. MCDefinition clearInstances. Behavior flushObsoleteSubclasses. ChangeSet current clear. ChangeSet current name: 'Unnamed1'. Smalltalk flushClassNameCache. Smalltalk at: #Browser ifPresent:[:br| br initialize]. DebuggerMethodMap voidMapCache. DataStream initialize. Smalltalk forgetDoIts. AppRegistry removeObsolete. FileServices removeObsolete. Preferences removeObsolete. TheWorldMenu removeObsolete. Smalltalk garbageCollect. Symbol compactSymbolTable. TheWorldMainDockingBar updateInstances. MorphicProject defaultFill: (Color gray: 0.9). World color: (Color gray: 0.9). !

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double escape in URLS
by Hans-Martin Mosner 26 Aug '10

26 Aug '10

While tracking down why I could not access my MC repository at http://www.heeg.de/~hmm2/mc/ anymore, I found that the ~ character obviously gets escaped twice: First in HierarchicalUrl>>printOn: (Version topa 5/5/2010 13:47) An then in HTTPSocket class>>httpRequest:url:headers:content:response: (Version ar 7/10/2010 13:53) One of those should be removed. Since it is unclear to me which sone should go, I can not provide a fix. Cheers, Hans-Martin

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Why TextConstants is not defined in a SharedPool classVar?
by Stéphane Ducasse 26 Aug '10

26 Aug '10

Hi I should say that I liked the introduction of SharedPool made by andreas long time ago to replace PoolDictionaries. Now I was wondering why TextContants is not defined as a classVariable of a subclass of SharedPool like all the other PoolDictionaries? Stef

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