[Patch] Refractor Thompson matcher

[Tim Shen]

On Mon, Jul 29, 2013 at 1:08 AM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
> Oh well, thanks. But then I expect specific testcases to come with it, for
> the various values of the parameter, both the default and the other other
> values. Otherwise, the idea isn't really immediately useful. See what I
> mean?

So I modified testcases to test both of them.

> Also, please make sure that this change is in any case a step in the right
> direction. I mean: I suppose that if we do this only the logic to control
> automatically the switch is missing and when we add it we are done. Let's
> not do it if I'm mistaken.

Never mind, this patch makes them switch to be automatic(based on
whether there're back-references in the regex), thanks to the
full-featured regex scanner.
A testcase is given too.


-- 
Tim Shen
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