Eqg`@dZddlmZddlZdedeeeeffdZdS)zDNS GENERATE range conversion.)TupleNtextreturnc|d}d}d}d}d}|r+|ddkrtjd|D]w}|dkr|dkrt|}d}d}"|dkrt|}d}d}<|r||z }Vtjd ||dkrtjd |dkrt|}n|dksJt|}|dksJ|dksJ||krtjd |||fS) zConvert the text form of a range in a ``$GENERATE`` statement to an integer. *text*, a ``str``, the textual range in ``$GENERATE`` form. Returns a tuple of three ``int`` values ``(start, stop, step)``. r-z!Start cannot be a negative number/zCould not parse zno stop value specifiedzstart must be <= stop)dns exception SyntaxErrorintisdigit)rstartstopstepcurstatecs rs_$%$ /C/E#sC-0//////r