[ragel-users] Re: Inline scanner

Adrian Thurston thurs... at cs.queensu.ca
Thu Jul 12 07:14:48 UTC 2007

Carlos Antunes wrote:
> Now, it would be AWESOME, if one could apply that prefix operator to
> *any* machine, including scanners, obviating the need to do it
> explicitly. Following your example below, one would simply do
> prefix(inline_scanner), for example.

Sure, my guess is that the prefix of a scanner would actually be the
prefix of the union of all scanner patterns. I don't think the prefix of
final scanner machinery would make much sense since it sometimes uses
error actions to restart and there is also backtracking of input.


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