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Bug 343269

Summary:	[Xtend2] Nullpointer when invoking contentassist behind FOR control element in RichString
Product:	[Modeling] TMF	Reporter:	Holger Schill <Holger.Schill>
Component:	Xtext	Assignee:	Project Inbox <tmf.xtext-inbox>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	P3	CC:	sebastian.zarnekow
Version:	2.0.0	Flags:	sebastian.zarnekow: indigo+
Target Milestone:	M7
Hardware:	Macintosh
OS:	Mac OS X
Whiteboard:

Description Holger Schill

2011-04-19 10:05:52 EDT

Having a RichString 

'''
?FOR<- Invoke contentassist causes Nullpointer

'''

Stackstrace:

java.lang.NullPointerException
	at org.eclipse.xtext.xtend2.xtend2.util.Xtend2Switch.doSwitch(Xtend2Switch.java:69)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.computeInitialIndentation(RichStringProcessor.java:465)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.caseForLoopStart(RichStringProcessor.java:247)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.caseForLoopStart(RichStringProcessor.java:1)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:139)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:75)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:61)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.doSwitch(RichStringProcessor.java:193)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.caseProcessedRichString(RichStringProcessor.java:212)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.caseProcessedRichString(RichStringProcessor.java:1)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:101)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:75)
	at org.eclipse.xtext.xtend2.richstring.util.ProcessedRichStringSwitch.doSwitch(ProcessedRichStringSwitch.java:61)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor$Implementation.doSwitch(RichStringProcessor.java:193)
	at org.eclipse.xtext.xtend2.richstring.RichStringProcessor.process(RichStringProcessor.java:33)
	at org.eclipse.xtext.xtend2.ui.highlighting.RichStringHighlightingCalculator.highlightRichStrings(RichStringHighlightingCalculator.java:71)
	at org.eclipse.xtext.xtend2.ui.highlighting.RichStringHighlightingCalculator.provideHighlightingFor(RichStringHighlightingCalculator.java:58)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.MergingHighlightedPositionAcceptor.provideHighlightingFor(MergingHighlightedPositionAcceptor.java:48)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler.reconcilePositions(HighlightingReconciler.java:87)
	at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler.modelChanged(HighlightingReconciler.java:275)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.notifyModelListeners(XtextDocument.java:126)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:180)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:1)
	at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.modify(AbstractReadWriteAcces.java:50)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:187)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.process(XtextDocument.java:208)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler$DocumentListener.performNecessaryUpdates(XtextReconciler.java:77)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.updateContentBeforeRead(XtextDocument.java:143)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.beforeReadOnly(XtextDocument.java:163)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.beforeReadOnly(XtextDocument.java:1)
	at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.readOnly(AbstractReadWriteAcces.java:31)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.readOnly(XtextDocument.java:86)
	at org.eclipse.xtext.ui.editor.contentassist.XtextContentAssistProcessor.computeCompletionProposals(XtextContentAssistProcessor.java:69)
	at org.eclipse.xtext.ui.editor.contentassist.RepeatedContentAssistProcessor.computeCompletionProposals(RepeatedContentAssistProcessor.java:74)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1832)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:556)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:553)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:488)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:482)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1660)
	at org.eclipse.jface.text.source.SourceViewer.doOperation(SourceViewer.java:835)
	at org.eclipse.jface.text.source.projection.ProjectionViewer.doOperation(ProjectionViewer.java:1533)
	at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:498)
	at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:185)
	at org.eclipse.ui.internal.handlers.LegacyHandlerWrapper.execute(LegacyHandlerWrapper.java:109)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508)
	at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:169)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:470)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:824)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:880)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:569)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:510)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:125)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:965)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:3542)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1250)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1273)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1258)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1287)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1283)
	at org.eclipse.swt.widgets.Canvas.sendKeyEvent(Canvas.java:433)
	at org.eclipse.swt.widgets.Control.doCommandBySelector(Control.java:906)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4741)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSResponder.interpretKeyEvents(NSResponder.java:56)
	at org.eclipse.swt.widgets.Composite.keyDown(Composite.java:516)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4655)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:202)
	at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1753)
	at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:1825)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4713)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method)
	at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4285)
	at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4352)
	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
	at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:101)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3097)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:493)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1287)

Comment 1 Sebastian Zarnekow

2011-04-19 10:55:38 EDT

Pushed to master.

Comment 2 Holger Schill

2011-04-20 03:16:09 EDT

THX

Comment 3 Karsten Thoms

2017-09-19 16:58:56 EDT

Closing all bugs that were set to RESOLVED before Neon.0

Comment 4 Karsten Thoms

2017-09-19 17:10:16 EDT

Closing all bugs that were set to RESOLVED before Neon.0