[Linux-kernel-mentees] [PATCH v2 2/2] tests: Add test case to match const pointer variants

Julia Lawall julia.lawall at inria.fr
Sun Feb 9 07:20:02 UTC 2020


On Fri, 7 Feb 2020, Jaskaran Singh wrote:

> Pointer to const pointer and its variants would not match previously.
> Add a test case for matching these types.

I don't get any matches for this test.  If I split the semantic patch into
four separate rules, then I get the change for id2 and id4, but not for
the other two.

julia

>
> Signed-off-by: Jaskaran Singh <jaskaransingh7654321 at gmail.com>
> ---
>  tests/constptr.c     |  7 +++++++
>  tests/constptr.cocci | 19 +++++++++++++++++++
>  tests/constptr.res   |  7 +++++++
>  3 files changed, 33 insertions(+)
>  create mode 100644 tests/constptr.c
>  create mode 100644 tests/constptr.cocci
>  create mode 100644 tests/constptr.res
>
> diff --git a/tests/constptr.c b/tests/constptr.c
> new file mode 100644
> index 00000000..13fe064c
> --- /dev/null
> +++ b/tests/constptr.c
> @@ -0,0 +1,7 @@
> +int main()
> +{
> +	const char * const * id;
> +	const char * * const * id;
> +	const char * const * * id;
> +	const char * const id;
> +}
> diff --git a/tests/constptr.cocci b/tests/constptr.cocci
> new file mode 100644
> index 00000000..29f0aa96
> --- /dev/null
> +++ b/tests/constptr.cocci
> @@ -0,0 +1,19 @@
> +@ r0 @
> +identifier id;
> +@@
> +const char * const *
> +- id
> ++ id1
> +;
> +const char * * const *
> +- id
> ++ id2
> +;
> +const char * const * *
> +- id
> ++ id3
> +;
> +const char * const
> +- id
> ++ id4
> +;
> diff --git a/tests/constptr.res b/tests/constptr.res
> new file mode 100644
> index 00000000..0af4de9a
> --- /dev/null
> +++ b/tests/constptr.res
> @@ -0,0 +1,7 @@
> +int main()
> +{
> +	const char * const * id1;
> +	const char * * const * id2;
> +	const char * const * * id3;
> +	const char * const id4;
> +}
> --
> 2.21.1
>
>


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