linux-kernel - Re: [PATCH v4 04/11] scripts: generate_rust_analyzer.py: extract `{build,register}

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Message-Id: <9C4E7DCF-5C90-4D8C-8338-00DB24B65BC5@collabora.com>
Date: Tue, 25 Mar 2025 10:24:41 -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 v4 04/11] scripts: generate_rust_analyzer.py: extract
 `{build,register}_crate`



> On 22 Mar 2025, at 10:23, Tamir Duberstein <tamird@...il.com> wrote:
> 
> Extract helpers from `append_crate` to avoid the need to peek into
> `crates[-1]`. This improves readability.
> 
> Suggested-by: Trevor Gross <tmgross@...ch.edu>
> Signed-off-by: Tamir Duberstein <tamird@...il.com>
> ---
> scripts/generate_rust_analyzer.py | 35 ++++++++++++++++++++++++++++++-----
> 1 file changed, 30 insertions(+), 5 deletions(-)
> 
> diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
> index e997d923268d..03f55cce673c 100755
> --- a/scripts/generate_rust_analyzer.py
> +++ b/scripts/generate_rust_analyzer.py
> @@ -35,7 +35,14 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
>     crates_indexes = {}
>     crates_cfgs = args_crates_cfgs(cfgs)
> 
> -    def append_crate(display_name, root_module, deps, cfg=[], is_workspace_member=True, is_proc_macro=False):
> +    def build_crate(
> +        display_name,
> +        root_module,
> +        deps,
> +        cfg=[],
> +        is_workspace_member=True,
> +        is_proc_macro=False,
> +    ):
>         crate = {
>             "display_name": display_name,
>             "root_module": str(root_module),
> @@ -54,9 +61,26 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
>                 stdin=subprocess.DEVNULL,
>             ).decode('utf-8').strip()
>             crate["proc_macro_dylib_path"] = f"{objtree}/rust/{proc_macro_dylib_name}"
> -        crates_indexes[display_name] = len(crates)
> +        return crate
> +
> +    def register_crate(crate):
> +        crates_indexes[crate["display_name"]] = len(crates)
>         crates.append(crate)
> 
> +    def append_crate(
> +        display_name,
> +        root_module,
> +        deps,
> +        cfg=[],
> +        is_workspace_member=True,
> +        is_proc_macro=False,
> +    ):
> +        register_crate(
> +            build_crate(
> +                display_name, root_module, deps, cfg, is_workspace_member, is_proc_macro
> +            )
> +        )
> +
>     def append_sysroot_crate(
>         display_name,
>         deps,
> @@ -116,20 +140,21 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
>         display_name,
>         deps,
>     ):
> -        append_crate(
> +        crate = build_crate(
>             display_name,
>             srctree / "rust" / display_name / "lib.rs",
>             deps,
>             cfg=cfg,
>         )
> -        crates[-1]["env"]["OBJTREE"] = str(objtree.resolve(True))
> -        crates[-1]["source"] = {
> +        crate["env"]["OBJTREE"] = str(objtree.resolve(True))
> +        crate["source"] = {
>             "include_dirs": [
>                 str(srctree / "rust" / display_name),
>                 str(objtree / "rust")
>             ],
>             "exclude_dirs": [],
>         }
> +        register_crate(crate)
> 
>     append_crate_with_generated("bindings", ["core"])
>     append_crate_with_generated("uapi", ["core"])
> 
> -- 
> 2.48.1
> 
> 

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