On Sun, 4 Apr 2021, Markus Elfring wrote:

> >> I hoped that the specified constraint for the metavariable “e” would mean
> >> that expressions which contain a double quotation character should be excluded
> >> for my source code analysis approach.
> >> Would you like to check the observed software functionality once more?
> >
> > There is perhaps a problem, but it is surely not necessary to have all of
> > this python code around it to see the problem.
>
> I chose this test display so that it can be clearly seen which data were processes
> for the metavariable “e”.
>
>
> > Please make a minimal example.  A rule with a match and a * in front of it should be sufficient.
>
> Do you find constraints of the following SmPL script variant easier to clarify?
>
> @display@
> identifier i =~ "^(?:[A-Z]+_){3,3}[A-Z]+";
> expression e !~ "\"";
> @@
> *#define i e
>
> Test result:
> https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/97b01ed9b01bac7cba68ff11c6bf7ceabcae7f52/spa/include/spa/node/type-info.h#L38
>
> elfring@Sonne:~/Projekte/PipeWire/lokal> spatch ~/Projekte/Coccinelle/janitor/show_define_usage4.cocci spa/include/spa/node/type-info.h
> …
> @@ -35,8 +35,6 @@ extern "C" {
>  #include <spa/node/event.h>
>  #include <spa/node/io.h>
>
> -#define SPA_TYPE_INFO_IO                       SPA_TYPE_INFO_ENUM_BASE "IO"
> -#define SPA_TYPE_INFO_IO_BASE          SPA_TYPE_INFO_IO ":"
>
>  static const struct spa_type_info spa_type_io[] = {
>         { SPA_IO_Invalid, SPA_TYPE_Int, SPA_TYPE_INFO_IO_BASE "Invalid", NULL },
> …

Thanks for the simpler examples.

julia