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From: Markus Elfring <Markus.Elfring@web.de>
To: Coccinelle <cocci@systeme.lip6.fr>
Subject: [Cocci] Fixing SmPL scripts for data output according to structured file formats
Date: Fri, 8 Nov 2019 13:15:31 +0100
Message-ID: <bfd990c8-1c1d-a6ee-7b05-e9f80160712b@web.de> (raw)

Hello,

I have taken another look at a script for the semantic patch language.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/scripts/coccinelle/free/iounmap.cocci?id=cd0207a7bfd29016a4eeb0b0203fa900b41e4eee

It belongs to the category of SmPL scripts which support data output also for
structured file formats. The output order matters then for the integration of
additional information so that preferably valid data are provided at
appropriate places.

A well-known file format like “Org mode” expects then that specific contents
should be enclosed by corresponding tags.
https://orgmode.org/manual/Literal-Examples.html

But a SmPL rule which uses the SmPL asterisk functionality triggers immediate
output of diff hunks so far (if a source code fragment was matched).
I find such a data processing approach questionable for this operation mode.

I imagine the following solution possibilities.

1. Separate SmPL rules should be used without SmPL asterisks.

2. It would occasionally be more convenient to redirect the output to standard
   files into corresponding variables.


How would you like to improve the software situation here?

Regards,
Markus
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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-08 12:15 Markus Elfring [this message]
2019-11-08 12:51 ` Julia Lawall
2019-11-08 13:05   ` Markus Elfring

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