private static string MessageHelper(string message, LineInfo lineInfo)
{
return String.Concat(message ?? "Unknown parser error.", " ", lineInfo ?? LineInfo.NullValue);
}
public ParserException(LineInfo lineInfo) : base(MessageHelper(null, lineInfo))
{
LineInfo = lineInfo;
}
public ParserException(string message, Exception inner, LineInfo lineInfo) : base(MessageHelper(message, lineInfo), inner)
{
LineInfo = lineInfo;
}
public static Token ScanControl(string text, LineInfo line)
{
if (text == Select || text == Skip || text == Top || text == Sort || text == ReverseSort || text == Autofilters || text == Lifespan || text == CountOnly)
return Token.ControlKeyword;
throw new ParserException("Unknown control keyword: " + text, line);
}