Bug 55451 Assertion Failed in ASTProvider
plugin export 20040319 1. Browse into CVS of org.eclipse.swt (win32), and open TableItem.java 2. Endless repretitions of error dialogs org.eclipse.jface.text.Assert$AssertionFailedException: Assertion failed: at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at org.eclipse.jface.text.Assert$AssertionFailedException.<init>(Assert.java:54) at org.eclipse.jface.text.Assert.isTrue(Assert.java:175) at org.eclipse.jface.text.Assert.isTrue(Assert.java) at org.eclipse.jdt.internal.ui.javaeditor.ASTProvider.getAST(ASTProvider.java:140) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.calculateASTandInform(SelectionListenerWithASTManager.java) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$1.run(SelectionListenerWithASTManager.java:97) at org.eclipse.core.internal.jobs.Worker.run(Worker.java)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/viewsupport/SelectionListenerWithASTManager.java
private IEditorPart fPart;
		private Job fCurrentJob;
		private ListenerList fAstListeners;
		
		public PartListenerGroup(IEditorPart part) {
			fPart= part;
			fCurrentJob= null;
			fAstListeners= new ListenerList();
		}
		public boolean isEmpty() {
			return fAstListeners.isEmpty();
		}
		public void install(ISelectionListenerWithAST listener) {
			fAstListeners.add(listener);
		}
		
		public void uninstall(ISelectionListenerWithAST listener) {
			fAstListeners.remove(listener);
		}