linux-kernel - Re: [PATCH 00/30] fix typos in comments

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Message-ID: <alpine.DEB.2.22.394.2203150803540.2907@hadrien>
Date:   Tue, 15 Mar 2022 08:11:30 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Joe Perches <joe@...ches.com>
cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/30] fix typos in comments

On Mon, 14 Mar 2022, Joe Perches wrote:

> Care to describe _how_ coccinelle was helpful in finding
> these typos in comments?

First, Coccinelle can bind a metavariable to the comments before, within
and after anohter kind of term.  So I collected the comments before,
within, and after statements and declarations.

Second, I also used Coccinelle to collect all of the identifiers
referenced in the same file, and discarded all of these words from
consideration.

Otherwise, it's the python library enchant for a dictionary, and some
hacks to reduce the number of false positives, including dropping words
that occur multiple times.  The results are still maybe 90% false
positives, though.

The semantic patch is attached.  It gives around 30K results for the
current linux-next.

julia
View attachment "nlp2.py" of type "text/x-python" (255 bytes)

View attachment "checkspell.cocci" of type "text/plain" (2839 bytes)