Community
Participate
Working Groups
20040625 In the following code, do a code assist after the first 'Stack'. public class NestedGenerics { Stack< List<Object>> stack= new Stack< List<Object>>(); } java.lang.NullPointerException at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at java.lang.NullPointerException.<init>(NullPointerException.java:60) at java.lang.String.<init>(String.java) at org.eclipse.jdt.internal.compiler.problem.ProblemReporter.duplicateMethodInType(ProblemReporter.java:830) at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.methods(SourceTypeBinding.java) at org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding.availableMethods(ReferenceBinding.java:42) at org.eclipse.jdt.internal.codeassist.CompletionEngine.findMethods(CompletionEngine.java:2476) at org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:429) at org.eclipse.jdt.internal.codeassist.CompletionEngine.complete(CompletionEngine.java:984) at org.eclipse.jdt.internal.core.Openable.codeComplete(Openable.java:124) at org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:201) at org.eclipse.jdt.internal.core.CompilationUnit.codeComplete(CompilationUnit.java:195) at org.eclipse.jdt.internal.ui.text.java.JavaCompletionProcessor.internalComputeCompletionProposals(JavaCompletionProcessor.java:358) at org.eclipse.jdt.internal.ui.text.java.JavaCompletionProcessor.computeCompletionProposals(JavaCompletionProcessor.java:332) at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1472) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:242) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$7(CompletionProposalPopup.java:238) at org.eclipse.jface.text.contentassist.CompletionProposalPopup$1.run(CompletionProposalPopup.java:197) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:192) at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1320) at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor$AdaptedSourceViewer.doOperation(CompilationUnitEditor.java:180) at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:82) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:69) at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:80) at org.eclipse.jface.action.Action.runWithEvent(Action.java:881) at org.eclipse.ui.commands.ActionHandler.execute(ActionHandler.java:141) at org.eclipse.ui.internal.commands.Command.execute(Command.java:132) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.executeCommand(WorkbenchKeyboard.java:471) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.press(WorkbenchKeyboard.java:889) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.processKeyEvent(WorkbenchKeyboard.java:930) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.filterKeySequenceBindings(WorkbenchKeyboard.java:548) at org.eclipse.ui.internal.keys.WorkbenchKeyboard.access$2(WorkbenchKeyboard.java:496) at org.eclipse.ui.internal.keys.WorkbenchKeyboard$1.handleEvent(WorkbenchKeyboard.java:261) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java) at org.eclipse.swt.widgets.Display.filterEvent(Display.java) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java) at org.eclipse.swt.widgets.Control.sendKeyEvent(Control.java:1734) at org.eclipse.swt.widgets.Control.sendKeyEvent(Control.java:1730) at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:3067) at org.eclipse.swt.widgets.Control.windowProc(Control.java) at org.eclipse.swt.widgets.Display.windowProc(Display.java) at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method) at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1377) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1348) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:254) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:335) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:41) at java.lang.reflect.Method.invoke(Method.java:386) at org.eclipse.core.launcher.Main.basicRun(Main.java:183) at org.eclipse.core.launcher.Main.run(Main.java:644) at org.eclipse.core.launcher.Main.main(Main.java:628)
The NPE does not occur anymore but CompletionParser create a strange AST. public class C { <CompleteOnType:Stack>; public C() { } <List> <Object> }
Fixed. new AST is public class C { <CompleteOnType:Stack>; public C() { } } Test added GenericsCompletionParserTest#test0177()
