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

Pharo Launcher for Windows
by Thierry Goubier Nov. 14, 2014

Nov. 14, 2014

Hi all, does anybody knows if the Pharo Launcher is working in Windows? I tried on different Windows 7 machines, but it would work nor give any error message at all. (Note: Pharo3 windows distribution did work). Thanks, Thierry

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[DEV] Systemd socket activation patch for the VM
by Max Leske Nov. 14, 2014

Nov. 14, 2014

Hi folks As promised a long time ago my colleague Nik Lutz has finalized the patch for the VM that enables socket activation with Systemd. I will quickly go over what the patch is supposed to achieve, how we plan to use socket activation and what (minimal) changes are necessary. Systemd Socket Activation: Systemd opens a (network-) socket and waits for connections. When the first client connects the assotiated service (VM) is started. Systemd indicates via environment variable (LISTEN_FDS) that it opened a network socket. Detailed documentation on socket activation with Systemd can be found here: http://0pointer.de/blog/projects/socket-activation.html Our scenario for socket activation: At Cmsbox we have hundereds of images running on a server, all of which listen on a dedicated network port for incoming connections. The server is powerful enough to run all these processes concurrently, especially since not every image receives requests all the time. With socket activation we could further lower the server load and free up resources for images with a high request rate. Images that donât receive any requests for a specified amount of time can be suspended automatically and reactivated when a request comes in. The VM Patch: The attached patch tries hard to be minimal. It defines a new socket type (ProvidedTCPSocketType) which you will also find in the image (Socket>>newSystemd). ProvidedTCPSocketType is special in that it can refer to an existing TCPSocket and does not necessarily entail the creation of a new socket. The changes in the image: - Socket>>newSystemd tries to open a new Systemd socket. - TCPListener>>haveSystemdAssignedPort tests if the LISTEN_FDS environment variable has been set by Systemd for the current process. - TCPListener>>primEnvironmentAtSymbol is a utility method that we need to check for the environment variable (IMPORTANT: copied from OSProcess; uses the OSProcess plugin) - TCPListener>>pvtNewListener: has been modified to include the check for the Systemd port. If the socket has been assigned by Systemd, use a Systemd socket, a TCP socket otherwise Quick Howto: - Adapt path to vm and image in pharo@.service - Take a Seaside image and FileIn systemd.cs (tested with http://seaside.st/distributions/Seaside-2.8.4.zip) - Save as 9999.image - Copy pharo@.service and pharo@.socket to /etc/systemd/system - As root run: systemctl daemon-reload systemctl start pharo(a)9999.socket - Open http://localhost:9999/seaside/config [- systemctl stop pharo(a)9999.socket] -> Upon connection pharo(a)9999.socket starts: pharo(a)9999.service (which would start .../9999.image) You can see this in action in the following screencast: http://youtu.be/MVPLZNKg5j8 We hope that this patch (or some version of it) will find its way into the VM. If you have any questions please feel free to ask. Cheers, Max (on behalf of Nik and the rest of Netstyle.ch)

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Re: [Pharo-dev] What happened to CompiledMethod>>#numLiterals in Spur?
by Eliot Miranda Nov. 13, 2014

Nov. 13, 2014

Hi Chris, On Thu, Nov 13, 2014 at 12:24 PM, Chris Muller <ma.chris.m(a)gmail.com> wrote: > Hi Eliot and all, while moving some serialized objects from a Cog > image into a Spur image, I am encountered an issue materializaing a > CompiledMethod instance in the target Spur image due to the new > implementation of #numLiterals. In Cog it's: > > numLiterals > "Answer the number of literals used by the receiver." > | header | > ^(header := self header) < 0 > ifTrue: [header bitAnd: 65535] > ifFalse: [(header bitShift: -9) bitAnd: 16rFF] > > but in Spur, only the negative header condition is present: > > numLiterals > "Answer the number of literals used by the receiver." > ^self header bitAnd: 65535 > Right. The header was positive in the source Cog image, in fact, there are NO > instances of CM's with negative headers in either my Cog or Spur > images. So after constructing the CompiledMethod for materialization > within the Spur image with the same #header it had in Cog, it reports > the wrong #numLiterals and can't finish the materialization because of > that. > Right. I'm able to force a correct materialization by changing the place > where I access "numLiterals" to the original True condition of Cog -- > "(header bitShift: -9) bitAnd: 16rFF". > Good. That is the "right thing to do" (tm). Or rather it is the right thing to do when trying to import methods from Cog to Spur. But that's just "making it work" and not understanding the > implications of what I'm doing. I know Spur can allow more literals > per CM, but assuming I'm willing to stay with a max of just 255 > literals for now, is my override above the best way to handle this > need to be able to transfer objects back-and-forth within a > heterogeneous environment of Cog and Spur images? > Yes, as long as it is on;y used for porting. You obviously /don'/ need it when materializing in Spur methods that have been dematerialized in Spur (BTW, I like the "official" terms, "pickled" and "unpickled"). Thanks for any advice and insight.. > So the new format was introduced to lift the limit on the number of literals. I first implemented it for Newspeak a couple of years ago for Cadence. At this point it used the sign bit to allow both the old and new header formats to coexist: numLiterals "Answer the number of literals used by the receiver." | header | ^(header := self header) < 0 ifTrue: [header bitAnd: 65535] ifFalse: [(header bitShift: -9) bitAnd: 16rFF] The problems with this are - that sign bit allows choosing between bytecode sets, and so it couples bytecode set choice with literal limit, and - there is a cost, at least in code density, even if not necessarily much in performance, in the VM using the "mixed" format. I realised in late summer with Spur that I had a chance of eliminating the coupling and performance issues by insisting on the one format in Spur. So I decided to eliminate the old format and just go with the simple format (this taken from CompiledMethod's class comment in its Spur version): The header is a 31-bit signed integer (a SmallInteger) in the following format: (index 0) 16 bits: number of literals (#numLiterals) (index 16) 1 bit: has primitive (index 17) 1 bit: whether a large frame size is needed (#frameSize => either SmallFrame or LargeFrame) (index 18) 6 bits: number of temporary variables (#numTemps) (index 24) 4 bits: number of arguments to the method (#numArgs) (index 28) 2 bits: reserved for an access modifier (00-unused, 01-private, 10-protected, 11-public), although accessors for bit 29 exist (see #flag). (index 30/63) sign bit: 1 selects the Secondary instruction set (e.g. NewsqueakV4, 0 selects the primary instruction set, e.g. SqueakV3PlusClosures) (#signFlag) This a) makes the VM slimmer and b) makes it much less complicated to use the two bytecode sets. The ability to use two bytecode sets provides a smoother transition to Sista when it arrives next year. -- best, Eliot

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[OT] .NET OpenSource
by Torsten Bergmann Nov. 13, 2014

Nov. 13, 2014

For those of you who might be interested: .NET is open source with MIT license - .NET Framework Libraries - .NET Core Framework Libraries - and the RyuJit VM http://tirania.org/blog/archive/2014/Nov-12.html

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[Article] Lambda Calculus in Pharo
by Sven Van Caekenberghe Nov. 13, 2014

Nov. 13, 2014

Hi, I was hacking a bit and one thing let to another and I ended up writing and publishing another short article: Lambda Calculus in Pharo Yes, the Y Combinator is useful in normal programs https://medium.com/@svenvc/lambda-calculus-in-pharo-a4a571869594 Enjoy, Sven

4 3

[pharo-project/pharo-core] 81bcfc: 40369
by GitHub Nov. 13, 2014

Nov. 13, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: 81bcfcba1bb6d5d9a9334217427b86d44f940ec0 https://github.com/pharo-project/pharo-core/commit/81bcfcba1bb6d5d9a9334217… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-11-13 (Thu, 13 Nov 2014) Changed paths: M ConfigurationOfGTInspectorCore.package/ConfigurationOfGTInspectorCore.class/instance/symbolic versions/stable_.st A ConfigurationOfGTInspectorCore.package/ConfigurationOfGTInspectorCore.class/instance/versions/version201_.st M ConfigurationOfGTPlaygroundCore.package/ConfigurationOfGTPlaygroundCore.class/instance/symbolic versions/stable_.st A ConfigurationOfGTPlaygroundCore.package/ConfigurationOfGTPlaygroundCore.class/instance/versions/version201_.st M ConfigurationOfGlamourCore.package/ConfigurationOfGlamourCore.class/instance/symbolic versions/stable_.st A ConfigurationOfGlamourCore.package/ConfigurationOfGlamourCore.class/instance/versions/version301_.st A ConfigurationOfRubric.package/ConfigurationOfRubric.class/instance/versions/version123_.st M GT-Inspector.package/GTInspector.class/instance/building/compose.st A GT-InspectorExtensions-Core.package/extension/MetacelloVersion/instance/gtInspectorProjectsIn_.st A GT-InspectorExtensions-Core.package/extension/RPackage/instance/gtInspectorDefinedClassesIn_.st A GT-InspectorExtensions-Core.package/extension/RPackage/instance/gtInspectorTagsIn_.st A GT-InspectorExtensions-Core.package/extension/RPackageTag/instance/gtInspectorDefinedClassesIn_.st M GT-Playground.package/GTPlayPage.class/instance/accessing/publishUrl.st M GT-Playground.package/GTUrlProvider.class/class/as yet unclassified/settingsOn_.st M Glamour-Core.package/GLMUpdateAction.class/instance/public/registerInPresentation.st R Glamour-Examples.package/GLMBasicExamples.class/instance/others/roassalPainting.st M Glamour-Morphic-Brick.package/GLMBrick.class/instance/adding/addBrickBack_.st A 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Rubric.package/RubCursor.class/class/settings/rubricSettingsOn_.st M Rubric.package/RubPlainTextMode.class/class/menu/fontMenuOn_.st A Rubric.package/RubSHTextStylerST80.class/README.md A Rubric.package/RubSHTextStylerST80.class/definition.st A Rubric.package/RubSHTextStylerST80.class/instance/as yet unclassified/addLinkAttributesFor_in_to_.st M Rubric.package/RubSegmentMorph.class/definition.st M Rubric.package/RubSegmentMorph.class/instance/initialization/vertices_color_borderWidth_borderColor_.st M Rubric.package/RubSegmentMorph.class/instance/private/filledForm.st M Rubric.package/RubShoutStylerDecorator.class/instance/accessing/defaultStyler.st M Rubric.package/RubSmalltalkEditor.class/instance/menu messages/sendersOf_.st A Rubric.package/RubTextClassLink.class/README.md A Rubric.package/RubTextClassLink.class/class/as yet unclassified/className_.st A Rubric.package/RubTextClassLink.class/class/as yet unclassified/class_.st A Rubric.package/RubTextClassLink.class/definition.st A Rubric.package/RubTextClassLink.class/instance/accessing/className_.st A Rubric.package/RubTextClassLink.class/instance/evaluating/actOnClick_for_in_editor_.st A Rubric.package/RubTextClassLink.class/instance/system primitives/className.st A Rubric.package/RubTextLink.class/README.md A Rubric.package/RubTextLink.class/definition.st A Rubric.package/RubTextLink.class/instance/testing/mayActOnEvent_.st A Rubric.package/RubTextMethodLink.class/README.md A Rubric.package/RubTextMethodLink.class/class/as yet unclassified/selector_.st A Rubric.package/RubTextMethodLink.class/class/as yet unclassified/selector_senders_.st A Rubric.package/RubTextMethodLink.class/definition.st A Rubric.package/RubTextMethodLink.class/instance/accessing/selector.st A Rubric.package/RubTextMethodLink.class/instance/accessing/selector_.st A Rubric.package/RubTextMethodLink.class/instance/accessing/senders_.st A Rubric.package/RubTextMethodLink.class/instance/event handling/actOnClick_for_in_editor_.st A Rubric.package/RubTextMethodLink.class/instance/initialization/initialize.st A Rubric.package/RubTextVariableLink.class/README.md A Rubric.package/RubTextVariableLink.class/class/as yet unclassified/variableName_.st A Rubric.package/RubTextVariableLink.class/definition.st A Rubric.package/RubTextVariableLink.class/instance/accessing/variableName.st A Rubric.package/RubTextVariableLink.class/instance/accessing/variableName_.st A Rubric.package/RubTextVariableLink.class/instance/evaluating/actOnClick_for_in_editor_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script369.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - updates/update40369.st M ScriptLoader40.package/ScriptLoader.class/instance/public/commentForCurrentUpdate.st Log Message: ----------- 40369 14467 GTools version 2.0.1 https://pharo.fogbugz.com/f/cases/14467 http://files.pharo.org/image/40/40369.zip

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[pharo-project/pharo-core]
by GitHub Nov. 13, 2014

Nov. 13, 2014

Branch: refs/tags/40369 Home: https://github.com/pharo-project/pharo-core

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[pharo-project/pharo-core] a3456b: 40368
by GitHub Nov. 13, 2014

Nov. 13, 2014

Branch: refs/heads/4.0 Home: https://github.com/pharo-project/pharo-core Commit: a3456be26119926f8b20095942f9d8c515725e40 https://github.com/pharo-project/pharo-core/commit/a3456be26119926f8b200959… Author: Jenkins Build Server <board(a)pharo-project.org> Date: 2014-11-13 (Thu, 13 Nov 2014) Changed paths: M DebuggerModel.package/DebugSystemSettings.class/class/private - settings/addDebugFilterSessingsOn_.st M DebuggerModel.package/DebugSystemSettings.class/class/settings/debugSettingsOn_.st M EmbeddedFreeType.package/SourceCodeFonts.class/class/accessing/fontButton_size_.st M EmbeddedFreeType.package/SourceCodeFonts.class/class/settings/settingsOn_.st M FreeType.package/FreeTypeSystemSettings.class/class/settings/freeTypeSettingsOn_.st M GT-Playground.package/GTUrlProvider.class/class/as yet unclassified/settingsOn_.st M Graphics-Display Objects.package/DisplayScreen.class/class/settings/displaySettingsOn_.st R KernelTests.package/ObsoleteTest.class/README.md R KernelTests.package/ObsoleteTest.class/definition.st R KernelTests.package/ObsoleteTest.class/instance/running/setUp.st R KernelTests.package/ObsoleteTest.class/instance/running/tearDown.st R KernelTests.package/ObsoleteTest.class/instance/tests/testClassObsolete.st R KernelTests.package/ObsoleteTest.class/instance/tests/testFixObsoleteSharedPools.st R KernelTests.package/ObsoleteTest.class/instance/tests/testTraitObsolete.st A Manifest-Core.package/extension/RBExplicitRequirementMethodsRule/instance/category.st A Manifest-Core.package/extension/RBLocalMethodsOfAClassNotInItsTraitComposition/instance/category.st A Manifest-Core.package/extension/RBRepeteadMethodsInTheSuperclassRule/instance/category.st A Manifest-Core.package/extension/RBTrueFalseDuplicationRule/instance/category.st M Monticello.package/MCFileBasedRepository.class/class/settings/monticelloSettingsOn_.st R MonticelloGUI.package/MCFileRepositoryInspector.class/instance/morphic ui/packageHighlight_loadedPackages_.st A MonticelloGUI.package/MCFileRepositoryInspector.class/instance/morphic ui/packageIcon_.st M MonticelloGUI.package/MCFileRepositoryInspector.class/instance/morphic ui/packageListUpdate.st M MonticelloGUI.package/MCFileRepositoryInspector.class/instance/morphic ui/widgetSpecs.st A MonticelloGUI.package/MCTool.class/instance/morphic ui/listMorph_selection_menu_icon_.st M MonticelloGUI.package/MCWorkingCopyBrowser.class/instance/menu spec/widgetSpecs.st A MonticelloGUI.package/MCWorkingCopyBrowser.class/instance/morphic ui/buildWindow.st A MonticelloGUI.package/MCWorkingCopyBrowser.class/instance/morphic ui/repositoryIcon_.st A Morphic-Base.package/MorphicEventHandler.class/instance/events/mouseOver_fromMorph_.st M Morphic-Base.package/MorphicEventHandler.class/instance/testing/handlesMouseOver_.st M Morphic-Base.package/SystemProgressMorph.class/class/settings/settingOn_.st M Morphic-Core.package/MorphicEventDispatcher.class/definition.st A 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Morphic-Widgets-Windows.package/MouseOverEventHandler.class/instance/as yet unclassified/methodRefList.st R Morphic-Widgets-Windows.package/PanelMorph.class/instance/event handling/on_send_to_.st R Morphic-Widgets-Windows.package/PanelMorph.class/instance/event handling/on_send_to_withValue_.st M NECompletion.package/NECPreferences.class/class/settings/settingsOn_.st M Nautilus.package/Nautilus.class/class/settings/nautilusSettingsOn_.st M Nautilus.package/PackageTreeNautilus.class/class/settings/nautilusSettingsOn_.st M Network-Kernel.package/NetworkSystemSettings.class/class/settings/networkSettingsOn_.st M NodeNavigation.package/NNavNavigation.class/class/configuration/enableAstHighlightSetting_.st M Polymorph-Tools-Diff.package/PSMCPatchMorph.class/class/settings/defaultDiffToolsSettingOn_.st M Polymorph-Widgets.package/ThemeIcons.class/class/settings/settingsOn_.st M RecentSubmissions.package/RecentMessageList.class/class/setting/recentMessageListSettingOn_.st A ReleaseTests.package/ObsoleteTest.class/README.md A ReleaseTests.package/ObsoleteTest.class/definition.st A ReleaseTests.package/ObsoleteTest.class/instance/running/setUp.st A ReleaseTests.package/ObsoleteTest.class/instance/running/tearDown.st A ReleaseTests.package/ObsoleteTest.class/instance/tests/testClassObsolete.st A ReleaseTests.package/ObsoleteTest.class/instance/tests/testFixObsoleteSharedPools.st A ReleaseTests.package/ObsoleteTest.class/instance/tests/testTraitObsolete.st M Rubric.package/RubAbstractTextArea.class/class/settings/rubricSettingsOn_.st M Rubric.package/RubCursor.class/class/settings/rubricSettingsOn_.st M Rubric.package/RubPlainTextMode.class/class/menu/fontMenuOn_.st M SUnit-Core.package/LongTestCase.class/class/settings/runLongTestsSettingOn_.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script365.st A ScriptLoader40.package/ScriptLoader.class/instance/pharo - scripts/script366.st A 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Settings-Graphics.package/GraphicFontSettings.class/class/fonts/theme.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/desktop/desktopColorSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/desktop/desktopSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/growl/growlSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/morphic/morphicAnimationSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/morphic/morphicMenuSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/morphic/morphicSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/morphic/morphicWindowsSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/morphic/windowPositionStrategySettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/settings/appearanceSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/settings/morphicHaloSettingsOn_.st M Settings-Polymorph.package/PolymorphSystemSettings.class/class/sound/soundSettingsOn_.st M Settings-System.package/SystemSystemSettings.class/class/settings/systemSettingOn_.st M Shout.package/SHPreferences.class/class/settings/settingsOn_.st M Shout.package/SHRBTextStyler.class/class/configuration/enableAstHighlightSetting_.st M Slot.package/Slot.class/class/settings/slotSetting_.st M Spec-Tools.package/ChangeSorterApplication.class/instance/menu/changeSetMenu_shifted_.st M Spec-Tools.package/ChangeSorterApplication.class/instance/menu/classMenu_shifted_.st M Spec-Tools.package/ChangeSorterApplication.class/instance/menu/messageMenu_shifted_.st M Spec-Tools.package/DualChangeSorterApplication.class/instance/menu/changesMenu_shifted_from_to_.st M StartupPreferences.package/StartupPreferencesLoader.class/class/setting/startupPreferencesSettingsOn_.st M System-Settings.package/PragmaSetting.class/instance/accessing/description_.st M System-Settings.package/PragmaSetting.class/instance/accessing/label.st M System-Support.package/Author.class/class/settings/authorSettingOn_.st M System-Support.package/SmalltalkImage.class/instance/housekeeping/fixObsoleteReferences.st M System-Support.package/SmalltalkImage.class/instance/housekeeping/fixObsoleteSharedPools.st M Text-Diff.package/TextDiffBuilder.class/class/settings/differatorSettingsOn_.st M Text-Edition.package/Editor.class/class/settings/editingSettingsOn_.st M Tool-Finder.package/DialogItemsChooserUI.class/class/settings/dialogItemsChooserSettingsOn_.st Log Message: ----------- 40368 14404 extend MorphicEventHandler with #mouseOver and replace all uses of MouseOverEventHandler https://pharo.fogbugz.com/f/cases/14404 http://files.pharo.org/image/40/40368.zip

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[pharo-project/pharo-core]
by GitHub Nov. 13, 2014

Nov. 13, 2014

Branch: refs/tags/40368 Home: https://github.com/pharo-project/pharo-core

1 0

[pharo-project/pharo-core]
by GitHub Nov. 13, 2014

Nov. 13, 2014

Branch: refs/tags/40367 Home: https://github.com/pharo-project/pharo-core

1 0