private void Consume(Token.EKeywords expected)
{
if (!_tokenEnumerator.MoveNext())
{
throw new ParseException(string.Format("End of program when expecting '{0}'", expected));
}
if (_tokenEnumerator.Current.Keyword != expected)
{
throw new ParseException(string.Format("Found token '{0}' when expecting '{1}'", _tokenEnumerator.Current, expected));
}
}
private bool TryConsume(Token.EKeywords expected)
{
return(_tokenEnumerator.HasNext && _tokenEnumerator.Next.Keyword == expected && _tokenEnumerator.MoveNext());
}
