Bug 61508 Internal error in sematic highlighting job
I20040506 + Plug-in Export 05.07 While importing plug-in and fragments via PDE I got the following exception: !ENTRY org.eclipse.core.runtime 4 2 Mai 08, 2004 19:00:00.334 !MESSAGE An internal error occurred during: "Semantic Highlighting Job". !STACK 0 java.lang.NullPointerException at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler$PositionC ollector.visit(SemanticHighlightingReconciler.java:75) at org.eclipse.jdt.core.dom.SimpleName.accept0(SimpleName.java:145) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2503) at org.eclipse.jdt.core.dom.MethodInvocation.accept0 (MethodInvocation.java:241) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2503) at org.eclipse.jdt.core.dom.ExpressionStatement.accept0 (ExpressionStatement.java:141) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2503) at org.eclipse.jdt.core.dom.IfStatement.accept0(IfStatement.java:187) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2526) at org.eclipse.jdt.core.dom.Block.accept0(Block.java:133) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChild(ASTNode.java:2503) at org.eclipse.jdt.core.dom.MethodDeclaration.accept0 (MethodDeclaration.java:499) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2526) at org.eclipse.jdt.core.dom.TypeDeclaration.accept0 (TypeDeclaration.java:474) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:2526) at org.eclipse.jdt.core.dom.CompilationUnit.accept0 (CompilationUnit.java:290) at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:2456) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler.reconcile Positions(SemanticHighlightingReconciler.java:212) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler.reconcile d(SemanticHighlightingReconciler.java:178) at org.eclipse.jdt.internal.ui.javaeditor.SemanticHighlightingReconciler$1.run (SemanticHighlightingReconciler.java:311) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:66)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/SemanticHighlightingPresenter.java
}
	}
	/**
	 * Create a text presentation in the background.
	 * <p>
	 * NOTE: Called from background thread.
	 * </p>
	 * 
	 * @param addedPositions the added positions
	 * @param removedPositions the removed positions
	 * @return the text presentation or <code>null</code>, if reconciliation should be canceled
	 */
	public TextPresentation createPresentation(List addedPositions, List removedPositions) {
		if (fSourceViewer == null || fPresentationReconciler == null)
			return null;
		
		if (isCanceled())
			return null;
		
		IDocument document= fSourceViewer.getDocument();
		if (document == null)
			return null;
		
		int minStart= Integer.MAX_VALUE;
		int maxEnd= Integer.MIN_VALUE;
		for (int i= 0, n= removedPositions.size(); i < n; i++) {
			Position position= (Position) removedPositions.get(i);
			int offset= position.getOffset();
			minStart= Math.min(minStart, offset);
			maxEnd= Math.max(maxEnd, offset + position.getLength());