internal static void CheckSpan(int len, LexSpan span, ErrorHandler hdlr) { ActionScanner scnr = new ActionScanner(); scnr.SetSource(span.ToString(), 1); scnr.length = len; scnr.src = span; scnr.handler = hdlr; scnr.lineNo = span.startLine; scnr.colNo = span.startColumn; scnr.yylex(); }