Infinite loop or very high complexity when encountering consecutive underlines about lua-mode HOT 6 CLOSED

Thanks for the report. I'll try to see to it over the weekend.

Meanwhile, could you write your versions of emacs & lua-mode?

UPD: reproduced it, will see what I can do.

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Emacs 24.1.1
Lua-mode is "current development mode snapshot" https://github.com/immerrr/lua-mode/zipball/master

Thanks, I looked into figuring out what was going on, but I couldn't figure out how to get emacs to stop and give me a backtrace. Best of luck!
Thanks,
Cory

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Given how fast the input processing time increases, I'd say it's O(N!) caused by a poorly written regexp.

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This looks like the offender: https://github.com/immerrr/lua-mode/blob/master/lua-mode.el#L434

You can comment this regexp out for now for a quick fix, but I haven't yet figured out how to fix that properly.

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Sorry about two commits, I was too hasty to push the changes, didn't pay attention to commit message. Please, try, if the fix works for you.

It's fascinating for how long had this regexp lived given how bad it was :)

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Awesome, thanks for the fix! I confirmed it is fixed.

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