/// <summary>
/// Lexicals and syntactical errors.
/// </summary>
/// <returns><c>true</c>, if lexical or syntactical errors were found, <c>false</c> otherwise.</returns>
private bool lexicalAndSyntacticalErrors()
{
bool errors = false;
if (scanner != null)
{
errors |= scanner.getErrors().Count != 0;
}
if (parser != null)
{
errors |= parser.getErrors().Count != 0;
}
return(errors);
}