Index: TypeBinding.java
===================================================================
RCS file: /home/eclipse/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/TypeBinding.java,v
retrieving revision 1.63
diff -u -r1.63 TypeBinding.java
--- TypeBinding.java	15 Nov 2004 19:22:24 -0000	1.63
+++ TypeBinding.java	19 Nov 2004 02:03:38 -0000
@@ -481,13 +481,15 @@
 		if (this.binding == null || this.binding.isArrayType() || this.binding.isBaseType()) return null;
 		ReferenceBinding referenceBinding = (ReferenceBinding) this.binding;
 		if (referenceBinding.isBinaryBinding()) {
-			ClassFile classFile = (ClassFile) getClassFile(referenceBinding.getFileName());
+			final char[] fileName = referenceBinding.getFileName();
+			ClassFile classFile = (ClassFile) getClassFile(fileName);
 			if (classFile == null) return null;
 			return classFile.getType();
 		}
 		if (referenceBinding.isLocalType() || referenceBinding.isAnonymousType()) {
 			// local or anonymous type
-			ICompilationUnit cu = getCompilationUnit(referenceBinding.getFileName());
+			final char[] fileName = referenceBinding.getFileName();
+			ICompilationUnit cu = getCompilationUnit(fileName);
 			if (cu == null) return null;
 			if (!(this.resolver instanceof DefaultBindingResolver)) return null;
 			DefaultBindingResolver bindingResolver = (DefaultBindingResolver) this.resolver;
@@ -504,7 +506,9 @@
 			ITypeBinding declaringTypeBinding = getDeclaringClass();
 			if (declaringTypeBinding == null) {
 				// top level type
-				ICompilationUnit cu = getCompilationUnit(referenceBinding.getFileName());
+				final char[] fileName = referenceBinding.getFileName();
+				if (fileName == null) return null;
+				ICompilationUnit cu = getCompilationUnit(fileName);
 				if (cu == null) return null;
 				return cu.getType(new String(referenceBinding.sourceName()));
 			} else {