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Bug 364942

Summary:	completion on include (ctrl+space) causes exception
Product:	[Tools] CDT	Reporter:	Yevgeny Shifrin <yevshif>
Component:	cdt-editor	Assignee:	Anton Leherbauer <aleherb+eclipse>
Status:	VERIFIED FIXED	QA Contact:	Anton Leherbauer <aleherb+eclipse>
Severity:	normal
Priority:	P3	CC:	cdtdoug, malaperle
Version:	8.0
Target Milestone:	8.0.2
Hardware:	PC
OS:	Linux
Whiteboard:

Description Yevgeny Shifrin

2011-11-28 07:49:08 EST

Build Identifier: 20110615-0604

Eclipse IDE for C/C++ Developers

Version: Indigo Release
Build id: 20110615-0604

java.lang.NullPointerException
	at org.eclipse.cdt.internal.ui.text.contentassist.InclusionProposalComputer.collectIncludeFilesFromDirectory(InclusionProposalComputer.java:261)
	at org.eclipse.cdt.internal.ui.text.contentassist.InclusionProposalComputer.collectIncludeFilesFromScannerInfo(InclusionProposalComputer.java:226)
	at org.eclipse.cdt.internal.ui.text.contentassist.InclusionProposalComputer.collectIncludeFiles(InclusionProposalComputer.java:198)
	at org.eclipse.cdt.internal.ui.text.contentassist.InclusionProposalComputer.addInclusionProposals(InclusionProposalComputer.java:139)
	at org.eclipse.cdt.internal.ui.text.contentassist.InclusionProposalComputer.computeCompletionProposals(InclusionProposalComputer.java:74)
	at org.eclipse.cdt.internal.ui.text.contentassist.CompletionProposalComputerDescriptor.computeCompletionProposals(CompletionProposalComputerDescriptor.java:300)
	at org.eclipse.cdt.internal.ui.text.contentassist.CompletionProposalCategory.computeCompletionProposals(CompletionProposalCategory.java:261)
	at org.eclipse.cdt.internal.ui.text.contentassist.ContentAssistProcessor.collectProposals(ContentAssistProcessor.java:270)
	at org.eclipse.cdt.internal.ui.text.contentassist.ContentAssistProcessor.computeCompletionProposals(ContentAssistProcessor.java:223)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1830)
	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$14.run(CompletionProposalPopup.java:1544)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.incrementalComplete(CompletionProposalPopup.java:1538)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1655)
	at org.eclipse.cdt.internal.ui.editor.CEditor$AdaptedSourceViewer.doOperation(CEditor.java:344)
	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:468)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:786)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:885)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:567)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$3(WorkbenchKeyboard.java:508)
	at org.eclipse.ui.internal.keys.WorkbenchKeyboard$KeyDownFilter.handleEvent(WorkbenchKeyboard.java:123)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1531)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1257)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1282)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1267)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1294)
	at org.eclipse.swt.widgets.Widget.gtk_key_press_event(Widget.java:730)
	at org.eclipse.swt.widgets.Control.gtk_key_press_event(Control.java:3019)
	at org.eclipse.swt.widgets.Composite.gtk_key_press_event(Composite.java:734)
	at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1743)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:5016)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:4408)
	at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)
	at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8394)
	at org.eclipse.swt.widgets.Display.eventProc(Display.java:1245)
	at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
	at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2258)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3207)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
	at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	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:344)
	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:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1386)

Reproducible: Couldn't Reproduce

Steps to Reproduce:
happens once

Comment 1 Anton Leherbauer

2011-11-28 10:22:54 EST

This can happen when an include path exists but is not a directory.

Comment 2 Anton Leherbauer

2011-11-28 10:40:15 EST

Fixed in cdt_8_0 and master.

Comment 3 CDT Genie

2011-11-28 11:23:01 EST

*** cdt git genie on behalf of Anton Leherbauer ***

    Bug 364942 - completion on include (ctrl+space) causes exception

[*] http://git.eclipse.org/c/cdt/org.eclipse.cdt.git/commit/?id=3aa080a946ca5ccaebdef475d28e0b41f629a862

Comment 4 CDT Genie

2011-11-28 11:23:06 EST

*** cdt git genie on behalf of Anton Leherbauer ***

    Bug 364942 - completion on include (ctrl+space) causes exception

[*] http://git.eclipse.org/c/cdt/org.eclipse.cdt.git/commit/?id=672f318deba5086a422f3f461fcdda8c5d35bd55

Comment 5 Marc-André Laperle

2012-01-22 11:24:25 EST

Verified in 8.0.2 RC1.

I reproduced this in 8.0.1 by invoking completion after the slash in
#include <cassert/>