Re: [cocci] Fixing the adjustment of variable declarations

[Markus Elfring <Markus.Elfring@web.de>]

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>> How will development considerations evolve accordingly?
> If you use the option --debug, you get an explanation:
>
>      (ONCE) compress.c: 2: More than one variable in the declaration, and
> so it cannot be transformed.  Check that there is no transformation on the
> type or the ;.  …


Markus_Elfring@Sonne:…/Projekte/Coccinelle/Probe> spatch --debug suggestion3_for_Elia_Pinto-20221111.cocci expand_ref-test.c
…
@@ -1,6 +1,6 @@
void my_expand_ref_variant(void)
{
- const char **p, *r;
- for (p = ref_rev_parse_rules; *p; ++p)
+ const char **r;
+ for (const char **p = ref_rev_parse_rules; *p; ++p)
 { /* loop content */ }
}
…


The error message was not displayed for such a source code variant.

I got the impression instead that multiple declarators could be handled
to some degree for changeable variable declarations also by the means of
the semantic patch language.

Regards,
Markus

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