Re: [RFC PATCH 3/3] coccinelle: api: add offset_in_page.cocci

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On 05/12/2018 15:46, Julia Lawall wrote:
[...]
>> +@r_patch depends on !context && patch && !org && !report@
>> +expression E;
>> +type T;
>> +@@
>> +
>> +(
>> +- E & ~PAGE_MASK
>> ++ offset_in_page(E)
>> +|
>> +- E & (PAGE_SIZE - 1)
>> ++ offset_in_page(E)
> 
> The two lines above should be subsumed by the two lines below.  When there
> is a type metavariable that has no other dependencies, an isomorphism will
> consider that it is either present or absent.

Oh OK, I'm sorry I'm not really into cocinelle so I guessed it might
take some iterations.

Do you have an example for this?

> Why not include the cast case for the context and org cases?

This is an oversight actually as I couldn't test it due to a bug in
openSUSE's coccinelle rpm.

Thanks,
	Johannes
-- 
Johannes Thumshirn                            SUSE Labs Filesystems
jthumshirn@xxxxxxx                                +49 911 74053 689
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