JFlex is quite old scanner generator; last version (1.4.3) has been released in 2009, and v1.5 is on trunk for a long time. I wonder if someone has found good successor and replacement for JFLex? That would be a scanner generator that can process more-less the same grammar files; and yet to produce better (read: faster) code - JFLex still can be improved in some areas (table optimization etc). I do see that IntelliJ IDEA uses patched JFlex (haven't got a chance to try it yet).
So have you used some scanner generator recently (or a full parser) that can replace JFlex rather easily?
Please, if you answer this, give us some details in how the new lib was better for you.
EDIT: on JFlex repo, there is a branch called 1.4.3-fixes, and I am currently using that one as it contain some important patches. There is also latest 1.5.0 snapshot, yet I am not sure if it is production ready.
