Gets the status code from the parsed line.
String scode = this.lexer.number();
if (debug) dbg_enter("statusCode");
try {
int retval = Integer.parseInt(scode);
return retval;
} catch (NumberFormatException ex) {
throw new ParseException(lexer.getBuffer() +
":" + ex.getMessage(), lexer.getPtr());
} finally {
if (debug) dbg_leave("statusCode");
}