On Mon, 7 Oct 2019, Markus Elfring wrote:

> Hello,
>
> I would like to try the following transformation approach out with
> the software combination “Coccinelle 1.0.8-00004-g842075f7”.
>
> @addition@
> identifier f;
> type rt != void;
> @@
>  rt
> +__must_check
>  f(...);
>
>
> elfring@Sonne:~/Projekte/Coccinelle/janitor> spatch --parse-cocci use_must_check.cocci
> init_defs_builtins: /usr/local/bin/../lib/coccinelle/standard.h
> plus: parse error:
>   File "use_must_check.cocci", line 7, column 1, charpos = 64
>   around = 'f',
>   whole content =  f(...);
>
>
> @is_void@
> identifier f;
> position p;
> @@
>  void f@p(...);
>
> @addition@
> identifier f;
> position p != is_void.p;
> type rt;
> @@
>  rt
> +__must_check
>  f@p(...);
>
>
> elfring@Sonne:~/Projekte/Coccinelle/janitor> spatch --parse-cocci use_must_check2.cocci
> init_defs_builtins: /usr/local/bin/../lib/coccinelle/standard.h
> plus: parse error:
>   File "use_must_check2.cocci", line 14, column 1, charpos = 137
>   around = 'f',
>   whole content =  f@p(...);
>
>
>
> Will the addition of such an annotation in a function declaration
> become supported for the semantic patch language?

Perhaps some day.

julia