linux-kernel - Re: [PATCH v5 07/13] scripts: generate_rust

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Message-Id: <C58B27D5-7F61-46D1-84F3-CC69E01EF5C4@collabora.com>
Date: Thu, 17 Apr 2025 08:17:28 -0300
From: Daniel Almeida <daniel.almeida@...labora.com>
To: Tamir Duberstein <tamird@...il.com>
Cc: Miguel Ojeda <ojeda@...nel.org>,
 Alex Gaynor <alex.gaynor@...il.com>,
 Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>,
 Benno Lossin <benno.lossin@...ton.me>,
 Andreas Hindborg <a.hindborg@...nel.org>,
 Alice Ryhl <aliceryhl@...gle.com>,
 Trevor Gross <tmgross@...ch.edu>,
 Danilo Krummrich <dakr@...nel.org>,
 Boris-Chengbiao Zhou <bobo1239@....de>,
 Kees Cook <kees@...nel.org>,
 Fiona Behrens <me@...enk.dev>,
 rust-for-linux@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 Lukas Wirth <lukas.wirth@...rous-systems.com>
Subject: Re: [PATCH v5 07/13] scripts: generate_rust_analyzer.py: avoid
 optional arguments

Hi Tamir,

> On 1 Apr 2025, at 10:34, Tamir Duberstein <tamird@...il.com> wrote:
> 
> On Tue, Apr 1, 2025 at 8:59 AM Daniel Almeida
> <daniel.almeida@...labora.com> wrote:
>> 
>> Hi Tamir,
>> 
>> This patch looks good to me but,
>> 
>>> On 25 Mar 2025, at 17:06, Tamir Duberstein <tamird@...il.com> wrote:
>>> 
>>> Make all arguments required to reduce the probability of incorrect
>>> implicit behavior. Use keyword arguments for clarity.
>>> 
>>> Signed-off-by: Tamir Duberstein <tamird@...il.com>
>>> ---
>>> scripts/generate_rust_analyzer.py | 90 +++++++++++++++++++++++++++------------
>>> 1 file changed, 62 insertions(+), 28 deletions(-)
>>> 
>>> diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
>>> index b37d8345486a..badcef4126cf 100755
>>> --- a/scripts/generate_rust_analyzer.py
>>> +++ b/scripts/generate_rust_analyzer.py
>>> @@ -69,9 +69,10 @@ def generate_crates(
>>>    def build_crate(
>>>        display_name: str,
>>>        root_module: pathlib.Path,
>>> +        *,
>>>        deps: List[str],
>>> -        cfg: List[str] = [],
>>> -        is_workspace_member: bool = True,
>>> +        cfg: List[str],
>>> +        is_workspace_member: bool,
>>>    ) -> Crate:
>>>        return {
>>>            "display_name": display_name,
>>> @@ -92,21 +93,34 @@ def generate_crates(
>>>    def append_crate(
>>>        display_name: str,
>>>        root_module: pathlib.Path,
>>> +        *,
>>>        deps: List[str],
>>> -        cfg: List[str] = [],
>>> -        is_workspace_member: bool = True,
>>> +        cfg: List[str],
>>>    ) -> None:
>>>        register_crate(
>>> -            build_crate(display_name, root_module, deps, cfg, is_workspace_member)
>>> +            build_crate(
>>> +                display_name,
>>> +                root_module,
>>> +                deps=deps,
>>> +                cfg=cfg,
>>> +                is_workspace_member=True,
>>> +            )
>>>        )
>>> 
>>>    def append_proc_macro_crate(
>>>        display_name: str,
>>>        root_module: pathlib.Path,
>>> +        *,
>>>        deps: List[str],
>>> -        cfg: List[str] = [],
>>> +        cfg: List[str],
>>>    ) -> None:
>>> -        crate = build_crate(display_name, root_module, deps, cfg)
>>> +        crate = build_crate(
>>> +            display_name,
>>> +            root_module,
>>> +            deps=deps,
>>> +            cfg=cfg,
>>> +            is_workspace_member=True,
>>> +        )
>>>        proc_macro_dylib_name = (
>>>            subprocess.check_output(
>>>                [
>>> @@ -133,66 +147,75 @@ def generate_crates(
>>> 
>>>    def append_sysroot_crate(
>>>        display_name: str,
>>> +        *,
>>>        deps: List[str],
>>> -        cfg: List[str] = [],
>>> +        cfg: List[str],
>>>    ) -> None:
>>> -        append_crate(
>>> -            display_name,
>>> -            sysroot_src / display_name / "src" / "lib.rs",
>>> -            deps,
>>> -            cfg,
>>> -            is_workspace_member=False,
>>> +        register_crate(
>>> +            build_crate(
>>> +                display_name,
>>> +                sysroot_src / display_name / "src" / "lib.rs",
>>> +                deps=deps,
>>> +                cfg=cfg,
>>> +                is_workspace_member=False,
>>> +            )
>>>        )
>> 
>> Why the change from append to register+build here? Maybe this change
>> should be in another patch?
> 
> The reason is that `append_crate` has lost its `is_workspace_member`
> parameter, so the only way to pass `False` now is to use
> `build_crate`. I chose to remove the argument from `append_crate`
> because the alternative would have introduced many instances of
> `is_workspace_member=True`, which I judged to be less-good than this.

Fine with me.

Reviewed-by: Daniel Almeida <daniel.almeida@...labora.com>

> 
> Cheers.
> Tamir

— Daniel