linux-kernel - Re: [Cocci] Coccinelle: Checking the relevance of parentheses in “git grep”

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Message-ID: <alpine.DEB.2.22.394.2010271155330.2847@hadrien>
Date:   Tue, 27 Oct 2020 11:55:53 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Markus Elfring <Markus.Elfring@....de>
cc:     Coccinelle <cocci@...teme.lip6.fr>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Sumera Priyadarsini <sylphrenadin@...il.com>,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Cocci] Coccinelle: Checking the relevance of parentheses in “git grep”



On Tue, 27 Oct 2020, Markus Elfring wrote:

> > Will any adjustments become relevant then accordingly?
>
> I have found out that the function “interpret” (OCaml code) constructs a command
> and executes it.
> https://github.com/coccinelle/coccinelle/blob/3c01dc1696dc5ccfb319673f205e491b572ee0be/parsing_cocci/git_grep.ml#L9
>
> I have tried a corresponding test display out. Thus I have got the impression
> that desired patterns are passed with extra parentheses.
>
> … git grep -l -w \( -e for_each_node_by_type … -e for_each_node_with_property \) -- '*.c'
>
>
> How do you think about to omit these parentheses here?

Does it make a difference?

julia