August 2014 - Pharo-dev - lists.pharo.org

[pharo-project/pharo-core]
by GitHub Aug. 8, 2014

Aug. 8, 2014

Branch: refs/tags/40162 Home: https://github.com/pharo-project/pharo-core

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[pharo-project/pharo-core] 1b31e9: 40162
by GitHub Aug. 8, 2014

Aug. 8, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: 1b31e97c6bb92b9954c667db3a67b95b842e8e76 https://github.com/pharo-project/pharo-core/commit/1b31e97c6bb92b9954c667db… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-08-08 (Fri, 08 Aug 2014) Changed paths: M KernelTests.package/BlockClosureTest.class/instance/tests/testTallyInstructions.st M KernelTests.package/BlockClosureTest.class/instance/tests/testTallyMethods.st M Morphic-Widgets-Pluggable.package/PluggableTextMorph.class/instance/actions/acceptBasic.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newAlphaImage_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newAlphaSelector_getAlpha_setAlpha_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newAutoAcceptTextEditorFor_getText_setText_getEnabled_.st R 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Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newPanel.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newPluggableDialogWindow.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newPluggableDialogWindow_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newPluggableDialogWindow_for_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newRadioButtonFor_getSelected_setSelected_getEnabled_label_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newRadioButtonFor_getSelected_setSelected_label_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newRow.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newRow_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newSVSelector_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newScrollPaneFor_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newSeparator.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newSliderFor_getValue_setValue_getEnabled_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newSliderFor_getValue_setValue_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newSliderFor_getValue_setValue_min_max_quantum_getEnabled_help_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newStack.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newStack_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newString_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newString_font_style_.st R 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Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newText_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newTitle_for_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newToolDockingBar.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newToolSpacer.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newToolbar.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newToolbarHandle.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newToolbar_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newTreeFor_list_selected_changeSelected_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newVerticalSeparator.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newWindowFor_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newYesButton.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/controls/newYesButtonFor_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/abort_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/abort_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/alert_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/alert_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/alert_title_configure_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/centeredAlert_title_configure_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseColor.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseColor_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseColor_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseDirectory_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseDirectory_path_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseDropList_list_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseDropList_title_list_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseFileName_extensions_path_preview_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseFont.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/chooseFont_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/deny_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/deny_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileOpen_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileOpen_extensions_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileOpen_extensions_path_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileOpen_extensions_path_preview_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileSave_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileSave_extensions_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileSave_extensions_path_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/fileSave_path_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/longMessage_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/message_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/message_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/proceed_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/proceed_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/questionWithoutCancel_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/questionWithoutCancel_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/question_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/question_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/textEntry_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/textEntry_title_.st R Morphic-Widgets-Windows.package/StandardWindow.class/instance/services/textEntry_title_entryText_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script162.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40162.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st M Spec-Inspector.package/BasicIndexedEyeElement.class/instance/comparing/hash.st M Text-Edition.package/SmalltalkEditor.class/instance/menu messages/fileItIn.st Log Message: ----------- 40162 13801 BlockClosureTest failing https://pharo.fogbugz.com/f/cases/13801 13799 Forward port 4: 13796 DNU ReadWriteStream>>fileIn in SmalltalkEditor>>fileItIn https://pharo.fogbugz.com/f/cases/13799 13804 #acceptBasic leads to #mustBeBoolean error (which is catcher by an on: Error do:[]] https://pharo.fogbugz.com/f/cases/13804 13803 Inspecting a Dictionary is broken https://pharo.fogbugz.com/f/cases/13803 13802 failing test: testLocalMethodsOfTheClassShouldNotBeRepeatedInItsTraits https://pharo.fogbugz.com/f/cases/13802 http://files.pharo.org/image/40/40162.zip

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Re: [Pharo-dev] [squeak-dev] Float parsed as a Fraction bug
by Eliot Miranda Aug. 7, 2014

Aug. 7, 2014

On Thu, Aug 7, 2014 at 9:05 AM, Levente Uzonyi <leves(a)elte.hu> wrote: > On Wed, 6 Aug 2014, Eliot Miranda wrote: > > Hi Levente, >> >> On Wed, Aug 6, 2014 at 11:43 AM, Levente Uzonyi <leves(a)elte.hu> wrote: >> On Wed, 6 Aug 2014, Eliot Miranda wrote: >> >> Hi All, >> Squeak trunk also suffers from the Float parsed as a >> Fraction bug: >> >> 1e-8 class Fraction >> 1.0e8 class Float >> >> >> I'm not entirely sure about it being a bug. I've checked Squeak 3.8 >> (pre-SqNumberParser), and it also parsed that literal as a Fraction. If I >> want a Float, I can be explicit and use 1.0e-8. >> >> >> IMO it very much *is* a bug. Smalltalk-80 has never supported Fraction >> literals. They're always written as division expressions. Fraction >> answers false to isLiteral. Just because it worked that way >> doesn't mean it was right. I suspect no one noticed. Allowing Fraction >> literals feels like a big change to me. >> > > It's more like undefined behavior than a bug IMHO, though the lack of > #isLiteral makes me think that the Fractions are not intentional. > Interesting how Nicolas's SqNumberParser behaves the same way as the > previous number parser in this case. > > > >> I made a modified version of Fraction >> #printOn:base: which >> outputs the literal format if possible. The change "fixes" the debugger >> (note that itw was way less broken in Squeak than in Pharo >> anyway). >> The only drawback I found is that some fractions become a bit more >> "complex" when printed, e.g. 3/4 => 75e-2 >> >> >> OK, but is this the right fix? What does everybody think? Keep the >> language unchanged or add Fraction literals and add another incompatibility >> with other dialects? >> > > I don't think that anyone ever used this "feature" before, so doing what > other dialects do is probably the best way to resolve this. Agreed. Smalltalk-80 v2 had no literal fractions. ObjectWorks and VisualWorks have never had literal fractions. I can't speak for other dialects, but I'm fairly sure none of the Smalltalk/V, Team/V lineage had literal Fractions either. If Fractions are literals >> - what is the semantics of 1/0 (easy, it is not a literal, but needs to >> be stated)? >> - what is [1/0.1] on: ZeroDivide do: [:ex| #error] ? Is it 10.0 or >> #error, i.e. is 1/0.1 10.0 or 1 / 0 followed by the Integer 1? >> > > I did not propose to make all fractions literals. My implementation simply > prints decimal fractions with the exponent notation, e.g. 3/4 is printed as > 75-e2, but 2/3 is still printed as (2/3). > > > Levente > > > >> Levente >> -- >> eek! Eliot >> >> -- >> best,Eliot >> >> > > > -- best, Eliot

3 5

Deprecator
by Camille Teruel Aug. 7, 2014

Aug. 7, 2014

Hello Pharo users, I'm pleased to announce the release of Deprecator. It's a prototype of a small tool that permits you to deprecate method by annotating them with a <deprecated: ...> pragma. This pragma takes a rewrite expression as argument that specifies how to rewrite the message send to the deprecated method. If such a deprecated method is executed, a warning is thrown and a debugger opens. This debugger has a little 'Rewrite' button that permits to rewrite the sending method according to the rewrite expression and then resume the execution with the new rewritten sending method :) The implementation is a proof-of-concept and is a bit hacky here and there, but it works. Example: You have a class C with a method that you deprecate. Its rewrite expression tells that if it's executed as the result of a message send of the form: <receiver> deprecatedMethodArg1: <arg1> arg2: <arg2>, this message send should be rewritten to: <receiver> replacementMethodArg1: <arg2> arg2: <arg1>. Note you can change the order of arguments or even the receiver. C>>deprecatedMethodArg1: o1 arg2: o2 <deprecated: '`@receiver replacementMethodArg1: `@arg2 arg2: `@arg1'> ^ #deprecated C>>replacementMethodArg1: o1 arg2: o2 ^ #replacement C>>senderMethod ^ self deprecatedMethodArg1: 1 + 1 arg2: 2 + 2. Then if you execute C new senderMethod, and then click on the "Rewrite" button of the debugger, then sending method is rewritten to: C>>senderMethod ^ self replacementMethodArg1: 2 + 2 arg2: 1 + 1. and the result is #replacement. The repo is on sSmalltalkHub: MCHttpRepository location: 'http://smalltalkhub.com/mc/CamilleTeruel/Deprecator/main' user: '' password: '' I hope for comments, feature suggestions, code reviews, contributors, etc :) BTW, if you have a better name for this project let me know! For example, I thought about Ammonite because it's an extinct animal (analogy with deprecated) and it fits the sea naming theme. Cheers, Camille

5 14

Versionner: can't create new version - bug?
by Sean P. DeNigris Aug. 7, 2014

Aug. 7, 2014

1. Make changes to a package of a MetaC project 2. In Versionner, the "Release version" button is disabled. Tried everything I could think of - in left list selected latest version, then baseline, created new baseline, committed package - but couldn't get it un-gray I think as soon as project packages are committed there should be an option to release based on latest versions, no? ----- Cheers, Sean -- View this message in context: http://forum.world.st/Versionner-can-t-create-new-version-bug-tp4772373.html Sent from the Pharo Smalltalk Developers mailing list archive at Nabble.com.

1 0

[pharo-project/pharo-core]
by GitHub Aug. 7, 2014

Aug. 7, 2014

Branch: refs/tags/40161 Home: https://github.com/pharo-project/pharo-core

1 0

[pharo-project/pharo-core] 5323b0: 40161
by GitHub Aug. 7, 2014

Aug. 7, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: 5323b0744238156df1a407a0ea1b7806323a237d https://github.com/pharo-project/pharo-core/commit/5323b0744238156df1a407a0… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-08-07 (Thu, 07 Aug 2014) Changed paths: M Nautilus.package/ClassWidget.class/instance/protocol/showHierarchy_.st M NautilusCommon.package/AnnotationRequest.class/instance/requests/implementorsCount.st R NautilusCommon.package/extension/SystemNavigation/instance/browseSharedPoolUsersOf_.st R NautilusCommon.package/extension/SystemNavigation/instance/confirmRemovalOfSelectors_on_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script161.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40161.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st M System-Support.package/SystemNavigation.class/instance/query/allUnsentMessagesIn_.st R System-Support.package/SystemNavigation.class/instance/query/numberOfImplementorsOf_.st A Tool-Base.package/extension/SystemNavigation/instance/browseSharedPoolUsersOf_.st A Tool-Base.package/extension/SystemNavigation/instance/classFromPattern_withCaption_.st A Tool-Base.package/extension/SystemNavigation/instance/confirmRemovalOfSelectors_on_.st A Tool-Base.package/extension/SystemNavigation/instance/confirmRemovalOf_on_.st M Tool-Browser-Old.package/CodeHolder.class/instance/annotation/annotationForSelector_ofClass_.st R Tools.package/extension/SystemNavigation/instance/classFromPattern_withCaption_.st R Tools.package/extension/SystemNavigation/instance/confirmRemovalOf_on_.st Log Message: ----------- 40161 13795 Browsing certain classes takes several seconds https://pharo.fogbugz.com/f/cases/13795 13800 another small SystemNavigation cleanup https://pharo.fogbugz.com/f/cases/13800 13798 empty package UI can be deleted https://pharo.fogbugz.com/f/cases/13798 http://files.pharo.org/image/40/40161.zip

1 0

[pharo-project/pharo-core] 5027c9: 40160
by GitHub Aug. 7, 2014

Aug. 7, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: 5027c9f2a7ffbe8d53a786f4ba4085747590d65a https://github.com/pharo-project/pharo-core/commit/5027c9f2a7ffbe8d53a786f4… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-08-07 (Thu, 07 Aug 2014) Changed paths: A Morphic-Core.package/RealEstateAgent.class/README.md A Morphic-Core.package/RealEstateAgent.class/class/accessing/maximumUsableArea.st A Morphic-Core.package/RealEstateAgent.class/class/accessing/maximumUsableAreaInWorld_.st A Morphic-Core.package/RealEstateAgent.class/class/accessing/standardPositionsInWorld_.st A Morphic-Core.package/RealEstateAgent.class/class/accessing/standardSize.st A Morphic-Core.package/RealEstateAgent.class/class/accessing/standardSize_.st A Morphic-Core.package/RealEstateAgent.class/class/class initialization/initialize.st A Morphic-Core.package/RealEstateAgent.class/class/framing/initialFrameFor_initialExtent_world_.st A Morphic-Core.package/RealEstateAgent.class/class/framing/initialFrameFor_world_.st A Morphic-Core.package/RealEstateAgent.class/class/framing/strictlyStaggeredInitialFrameFor_initialExtent_world_.st A Morphic-Core.package/RealEstateAgent.class/class/settings/screenTopSetback.st A Morphic-Core.package/RealEstateAgent.class/class/settings/scrollBarSetback.st A Morphic-Core.package/RealEstateAgent.class/class/settings/standardWindowExtent.st A Morphic-Core.package/RealEstateAgent.class/class/settings/usedStrategy.st A Morphic-Core.package/RealEstateAgent.class/class/settings/usedStrategy_.st A Morphic-Core.package/RealEstateAgent.class/class/settings/windowColumnsDesired.st A Morphic-Core.package/RealEstateAgent.class/class/settings/windowRowsDesired.st A Morphic-Core.package/RealEstateAgent.class/class/strategy/cascadeFor_initialExtent_world_.st A Morphic-Core.package/RealEstateAgent.class/class/strategy/staggerFor_initialExtent_world_.st A Morphic-Core.package/RealEstateAgent.class/class/strategy/standardFor_initialExtent_world_.st A Morphic-Core.package/RealEstateAgent.class/class/utilities/assignCollapseFrameFor_.st A Morphic-Core.package/RealEstateAgent.class/class/utilities/assignCollapsePointFor_.st A Morphic-Core.package/RealEstateAgent.class/definition.st A Morphic-Core.package/extension/Model/instance/initialExtent.st M RecentSubmissions.package/MessageList.class/definition.st R RecentSubmissions.package/MessageList.class/instance/accessing/useAsASet.st R RecentSubmissions.package/MessageList.class/instance/accessing/useAsASet_.st M RecentSubmissions.package/MessageList.class/instance/actions/addMethodReferenceSilently_.st M RecentSubmissions.package/MessageList.class/instance/initialization/initialize.st M RecentSubmissions.package/MessageList.class/instance/userinterface/open.st M RecentSubmissions.package/RecentMessageList.class/class/setting/recentMessageListSettingOn_.st R RecentSubmissions.package/RecentMessageList.class/instance/ring creation/createARemovalMethodReference_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script160.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40160.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st A System-Support.package/Model.class/class/themes/patchworkUIThemeColor.st R UI.package/RealEstateAgent.class/README.md R UI.package/RealEstateAgent.class/class/accessing/maximumUsableArea.st R UI.package/RealEstateAgent.class/class/accessing/maximumUsableAreaInWorld_.st R UI.package/RealEstateAgent.class/class/accessing/standardPositionsInWorld_.st R UI.package/RealEstateAgent.class/class/accessing/standardSize.st R UI.package/RealEstateAgent.class/class/accessing/standardSize_.st R UI.package/RealEstateAgent.class/class/class initialization/initialize.st R UI.package/RealEstateAgent.class/class/framing/initialFrameFor_initialExtent_world_.st R UI.package/RealEstateAgent.class/class/framing/initialFrameFor_world_.st R UI.package/RealEstateAgent.class/class/framing/strictlyStaggeredInitialFrameFor_initialExtent_world_.st R UI.package/RealEstateAgent.class/class/settings/screenTopSetback.st R UI.package/RealEstateAgent.class/class/settings/scrollBarSetback.st R UI.package/RealEstateAgent.class/class/settings/standardWindowExtent.st R UI.package/RealEstateAgent.class/class/settings/usedStrategy.st R UI.package/RealEstateAgent.class/class/settings/usedStrategy_.st R UI.package/RealEstateAgent.class/class/settings/windowColumnsDesired.st R UI.package/RealEstateAgent.class/class/settings/windowRowsDesired.st R UI.package/RealEstateAgent.class/class/strategy/cascadeFor_initialExtent_world_.st R UI.package/RealEstateAgent.class/class/strategy/staggerFor_initialExtent_world_.st R UI.package/RealEstateAgent.class/class/strategy/standardFor_initialExtent_world_.st R UI.package/RealEstateAgent.class/class/utilities/assignCollapseFrameFor_.st R UI.package/RealEstateAgent.class/class/utilities/assignCollapsePointFor_.st R UI.package/RealEstateAgent.class/definition.st R UI.package/extension/Model/class/patchworkUIThemeColor.st R UI.package/extension/Model/instance/initialExtent.st Log Message: ----------- 40160 13639 RealEstateAgent https://pharo.fogbugz.com/f/cases/13639 13797 RecentMessages: remove useAsSet Preference https://pharo.fogbugz.com/f/cases/13797 http://files.pharo.org/image/40/40160.zip

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[pharo-project/pharo-core]
by GitHub Aug. 7, 2014

Aug. 7, 2014

Branch: refs/tags/40160 Home: https://github.com/pharo-project/pharo-core

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[Pharo4] EyePointerExplorer
by Marcus Denker Aug. 7, 2014

Aug. 7, 2014

Hi, Pharo4 #155 now contains a Pointer explorer build with the Eye Tree Inspector framework: EyePointerExplorer openOn: #zot EyePointerExplorer openStrongOn: #zot Why is this needed? âââââââââ Currently we still use a sub lass of ObjectExplorer for the PointerExplorer, which means that we can remove the whole package Tool-Explorer now that we have one based on the new inspector. Next step? ââââââ - put the new tool as the default (and unify Smalltalk tools strongPointerExplorer with pointerExplorer) - remove package Tool-Explorer (ca. 700 Loc, 6 classes) Class comment: ============= A variant on the TreeInspector that works "backwards". By default it shows both weak and strong references (#openOn:) but I can be configured to omit weak refs with #openStrongOn: Like the TreeInspector, it shows a tree of objects, but expanding a node won't show the objects which that node references, but rather the objects that reference that node. Its main use is to track down memory leaks: if you want to know why a particular object is still alive, open a PointerExplorer on it and drill down until you find the root object that's referencing it. For example, find all the references to the symbol #zot with: EyePointerExplorer openOn: #zot For the "name" of the object, the PointerExplorer shows each object's identityHash, to allow the user to identify when two similar objects are identical and notice cycles.

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