public void doTraverseSchema(Element root, StringPool stringPool,
SchemaGrammar schemaGrammar,
GrammarResolver grammarResolver) throws Exception {
fNamespacesScope = new NamespacesScope(this);
fSchemaRootElement = root;
fStringPool = stringPool;
fSchemaGrammar = schemaGrammar;
fGrammarResolver = grammarResolver;