private void ParseLineContext(bool showMatch = false)
{
Match match = parser.LineParser().Match(line);
if (showMatch) Util.ShowMatch(match);
if (match.Groups.Count < 6)
{
//Util.ShowMatch(match);
throw new ParseException(line, lineNo, "cannot be parsed");
}
this.actor = match.Groups[1].Value.Trim();
this.command = match.Groups[2].Value.Trim();
this.text = match.Groups[3].Value.Trim();
this.label = match.Groups[4].Value.Trim();
this.meta = match.Groups[5].Value.Trim();
}