On Sun, 8 Mar 2020, Markus Elfring wrote:
> Hello,
>
> I have tried the following small script variant out again for
> the semantic patch language.
>
> @display@
> expression action;
> expression* pointer, target, x;
> identifier member, var;
> statement is;
> type t;
> @@
> (
> *t* var = pointer->member;
> |
> *pointer->member;
> |
> *target = pointer->member;
> |
> *t* var = pointer->member(...);
> |
> *pointer->member(...);
> |
> *target = pointer->member(...);
> )
> ... when any
> when != pointer = \( action(...) \| x \)
> *if (
> ( !pointer
> | pointer == NULL
> )
pointer == NULL would have been sufficient (not related to the noted
problems).
> )
> is
>
>
> The software “Coccinelle 1.0.8-00029-ga549b9f0” (OCaml 4.10.0) reports the
> following error messages
> for an analysis approach on source files from “Linux next-20200306”.
>
>
> elfring@Sonne:~/Projekte/Linux/next-patched> spatch
> ~/Projekte/Coccinelle/janitor/show_pointer_access_before_null_check3.cocci
> drivers/firmware/efi/runtime-wrappers.c
> …
> Fatal error: exception File "engine/ctlcocci_integration.ml", line 361,
> characters 4-10: Assertion failed
> elfring@Sonne:~/Projekte/Linux/next-patched> spatch
> ~/Projekte/Coccinelle/janitor/show_pointer_access_before_null_check3.cocci
> net/core/dev.c
> …
> no position information
Thanks for the reports. These are related to dead code and will be
addressed sooner (second case) or later (first case).
julia
_______________________________________________
Cocci mailing list
Cocci@systeme.lip6.fr
https://systeme.lip6.fr/mailman/listinfo/cocci