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

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Message-Id: <20250322-rust-analyzer-host-v4-4-1f51f9c907eb@gmail.com>
Date: Sat, 22 Mar 2025 09:23:39 -0400
From: Tamir Duberstein <tamird@...il.com>
To: 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>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Lukas Wirth <lukas.wirth@...rous-systems.com>, 
 Tamir Duberstein <tamird@...il.com>
Subject: [PATCH v4 04/11] scripts: generate_rust_analyzer.py: extract
 `{build,register}_crate`

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