public string ToString(bool verbose)
{
StringBuilder sb = new StringBuilder();
if (_lexicalInfo.Line > 0)
{
sb.Append(_lexicalInfo);
sb.Append(": ");
}
sb.Append(_code);
sb.Append(": ");
if (verbose)
{
sb.Append(base.ToString());
}
else
{
sb.Append(Message);
}
return sb.ToString();
}