protected override IParseResult TryGetTokenWithoutNullCheck(IStringStream inputStream, out IToken token)
{
inputStream.Pop();
if (inputStream.CurrentPosition > inputStream.Count || !inputStream.LookAhead(0).Equals(SpecialCharacters.NegateCharacterClass))
{
token = new OpenCharacterClassToken(_initialStreamPosition);
return(new SuccessParseResult());
}
inputStream.Pop();
token = new OpenNegatedCharacterClassToken(_initialStreamPosition);
return(new SuccessParseResult());
}
private static void CallPop(IStringStream stream, int popCalls)
{
for (var i = 0; i < popCalls; i++)
{
stream.Pop();
}
}
protected override IParseResult TryGetTokenWithoutNullCheck(IStringStream inputStream, out IToken token)
{
inputStream.Pop();
var interval = new IntegerInterval();
interval.TrySetValue(0, 1);
token = new IntegerIntervalToken(interval, _initialStreamPosition, 1);
return(new SuccessParseResult());
}
protected override IParseResult TryGetTokenWithoutNullCheck(IStringStream inputStream, out IToken token)
{
inputStream.Pop();
token = new IntersectionToken(_initialStreamPosition);
return(new SuccessParseResult());
}