Re: [PATCH] add compiled regexp primitive lisp object

[Ihor Radchenko <yantar92@posteo.net>]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> 1. They could be inspected from Elisp, and hopefully optimized
>>    better. For now, there is simply no way to detect which parts of
>>    regexps are slow and which are not.
>
> You can now/already use `re--describe-compiled` to inspect the compiled
> regexps used by Emacs's regexp engine.

But only when Emacs is compiled with --enable-checking. Also, no
documentation about the output is available. So, in its current form,
`re--describe-compiled' is only usable for debugging Emacs itself. Not
on Elisp-hacker level.

`re--describe-compiled' can certainly be improved.

-- 
Ihor Radchenko // yantar92,
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