[Linux-kernel-mentees] [PATCH] parsing_hacks: Add bool to list of known typedefs

Julia Lawall julia.lawall at inria.fr
Tue Jan 21 06:20:21 UTC 2020



On Sun, 19 Jan 2020, Jaskaran Singh wrote:

> bool is widely used in the Linux kernel. Certain cases of
> parsing_hacks.ml would mislabel bool.
>
> Add bool to the list of known typedefs.
>
> Stats of --parse-c on Linux v5.5-rc4 are as follows:
>
> Before:
>
>   nb good = 18956150,  nb passed = 134062 =========> 0.70% passed
>
> After:
>
>   nb good = 18956150,  nb passed = 134073 =========> 0.70% passed

Why did nb passed increase?  These are tokens that will not be able to be
transformed by a semantic patch.

julia

>
> Signed-off-by: Jaskaran Singh <jaskaransingh7654321 at gmail.com>
> ---
> The above diff has been obtained after applying
> https://www.mail-archive.com/cocci@systeme.lip6.fr/msg06706.html
>
>  parsing_c/parsing_hacks.ml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/parsing_c/parsing_hacks.ml b/parsing_c/parsing_hacks.ml
> index 685a4908..5e3301a0 100644
> --- a/parsing_c/parsing_hacks.ml
> +++ b/parsing_c/parsing_hacks.ml
> @@ -61,7 +61,7 @@ let is_known_typdef =
>        | "u_char"   | "u_short"  | "u_int"  | "u_long"
>        | "u8" | "u16" | "u32" | "u64"
>        | "s8"  | "s16" | "s32" | "s64"
> -      | "__u8" | "__u16" | "__u32"  | "__u64"
> +      | "__u8" | "__u16" | "__u32"  | "__u64" | "bool"
>          -> true
>
>        | "acpi_handle"
> --
> 2.21.1
>
>


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