Bug 50000 PostSelectionWithAST causes IllegalArgumentException
I20040113 Opening a class file from a JAR which has no source causes IAE. !ENTRY org.eclipse.core.runtime 4 2 Jan 14, 2004 17:43:55.905 !MESSAGE An internal error occurred during: "Java AST creation". !STACK 0 java.lang.IllegalArgumentException at org.eclipse.jdt.core.dom.AST.parseCompilationUnit(AST.java:528) at org.eclipse.jdt.core.dom.AST.parseCompilationUnit(AST.java:439) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.computeAST(SelectionListenerWithASTManager.java:122) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$PartListenerGroup.calculateASTandInform(SelectionListenerWithASTManager.java:133) at org.eclipse.jdt.internal.ui.viewsupport.SelectionListenerWithASTManager$1.run(SelectionListenerWithASTManager.java:93) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:62)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/viewsupport/SelectionListenerWithASTManager.java
}
	/**
	 * Unregisters a selection listener.
	 * @param part The editor part the listener was registered.
	 * @param listener The listener to unregister.
	 */
	public void removeListener(IEditorPart part, ISelectionListenerWithAST listener) {
		ISelectionService service= part.getSite().getWorkbenchWindow().getSelectionService();
		WorkbenchWindowListener windowListener= (WorkbenchWindowListener) fListenerGroups.get(service);
		if (windowListener != null) {
			windowListener.uninstall(part, listener);
			if (windowListener.isEmpty()) {
				fListenerGroups.remove(service);
			}
		}
	}
	
	/**
	 * Forces a selection changed event that is sent to all listeners registered to the given editor
	 * part. The event is sent from a background thread: this method call can return before the listeners
	 * are informed.
	 */
	public void forceSelectionChange(IEditorPart part, ITextSelection selection) {
		ISelectionService service= part.getSite().getWorkbenchWindow().getSelectionService();
		WorkbenchWindowListener windowListener= (WorkbenchWindowListener) fListenerGroups.get(service);
		if (windowListener != null) {
			windowListener.selectionChanged(part, selection);
		}
	}}