901     if not self.HasMore(length): return ""
904   def HasMore(self, length = 1):  member in Tokenizer
914     while self.HasMore() and self.Current().isspace():
919     while self.HasMore():
921       if not self.HasMore():
937         while self.HasMore() and IsAlpha(self.Current()):
966   def HasMore(self):  member in Scanner
1009   while scan.HasMore() and (scan.Current() in BINARIES):
1022   while scan.HasMore() and (scan.Current() == 'if'):
1035   while scan.HasMore() and (scan.Current() in LOGICALS):
1056   if scan.HasMore():