GNU bug report logs - #15294
24.3.50; js2-mode parser is several times slower in lexical-binding mode

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Package: emacs;

Reported by: Dmitry Gutov <dgutov <at> yandex.ru>

Date: Fri, 6 Sep 2013 21:01:02 UTC

Severity: normal

Found in version 24.3.50

Done: Stefan Monnier <monnier <at> iro.umontreal.ca>

Bug is archived. No further changes may be made.

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Message #48 received at 15294 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 15294 <at> debbugs.gnu.org
Subject: Re: bug#15294: 24.3.50; js2-mode parser is several times slower in
 lexical-binding mode
Date: Sun, 15 Sep 2013 03:24:10 +0300

On 10.09.2013 05:04, Stefan Monnier wrote:
> If it indeed comes from the handling of catch/throw, then there are two
> ways to fix it:
> - ...
> - improve the byte-compiler so it can compile away cl-block/cl-return.
>    This should not require new byte-codes, but requires delving "deepish"
>    into the byte-compiler.

This would take care of `cl-block' wrappers, but it would do nothing 
about explicit uses of `catch', right?
This bug report was last modified 10 years and 240 days ago.

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