public Parser xmlParseStatement() {
        if (xmlParseStatementParser == null) {
           FutureParser future = scoped("xmlParseStatement");
           xmlParseStatementParser = future;
           future.setParser(
               sequence(
                   token("XML"),
                   token("PARSE"),
                   identifier(),
                   optional(
                       sequence(
                           token("PROCESSING"),
                           token("PROCEDURE"),
                           optional(
                               token("IS")
                           ),
                           procedureName()
                       )
                   ),
                   optional(
                       sequence(
                           choice(
                               token("THROUGH"),
                               token("THRU")
                           ),
                           procedureName()
                       )
                   ),
                   optional(
                       sequence(
                           optional(
                               token("ON")
                           ),
                           token("EXCEPTION"),
                           statement()
                       )
                   ),
                   optional(
                       sequence(
                           token("NOT"),
                           optional(
                               token("ON")
                           ),
                           token("EXCEPTION"),
                           statement()
                       )
                   ),
                   optional(
                       token("END-XML")
                   )
               )
           );
        }

        return xmlParseStatementParser;
    }