linux-kernel - [PATCH v5 10/13] scripts: generate_rust

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Message-Id: <20250325-rust-analyzer-host-v5-10-385e7f1e1e23@gmail.com>
Date: Tue, 25 Mar 2025 16:06:33 -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>, 
 Daniel Almeida <daniel.almeida@...labora.com>
Subject: [PATCH v5 10/13] scripts: generate_rust_analyzer.py: define host
 crates

Define host crates used by the `macros` crate separately from target
crates, now that we can uniquely identify crates with the same name.

This avoids rust-analyzer thinking the host `core` crate has our target
configs applied to it.

Suggested-by: Miguel Ojeda <ojeda@...nel.org>
Link: https://lore.kernel.org/all/CANiq72mw83RmLYeFFoJW6mUUygoyiA_f1ievSC2pmBESsQew+w@mail.gmail.com/
Reviewed-by: Fiona Behrens <me@...enk.dev>
Reviewed-by: Daniel Almeida <daniel.almeida@...labora.com>
Tested-by: Daniel Almeida <daniel.almeida@...labora.com>
Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 scripts/generate_rust_analyzer.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
index 09f5f40d689a..ea4dd68d0dd9 100755
--- a/scripts/generate_rust_analyzer.py
+++ b/scripts/generate_rust_analyzer.py
@@ -162,10 +162,16 @@ def generate_crates(
     # NB: sysroot crates reexport items from one another so setting up our transitive dependencies
     # here is important for ensuring that rust-analyzer can resolve symbols. The sources of truth
     # for this dependency graph are `(sysroot_src / crate / "Cargo.toml" for crate in crates)`.
+    host_core = append_sysroot_crate("core", deps=[], cfg=[])
+    host_alloc = append_sysroot_crate("alloc", deps=[host_core], cfg=[])
+    host_std = append_sysroot_crate("std", deps=[host_alloc, host_core], cfg=[])
+    host_proc_macro = append_sysroot_crate(
+        "proc_macro",
+        deps=[host_core, host_std],
+        cfg=[],
+    )
+
     core = append_sysroot_crate("core", deps=[], cfg=crates_cfgs["core"])
-    alloc = append_sysroot_crate("alloc", deps=[core], cfg=[])
-    std = append_sysroot_crate("std", deps=[alloc, core], cfg=[])
-    proc_macro = append_sysroot_crate("proc_macro", deps=[core, std], cfg=[])
 
     compiler_builtins = append_crate(
         "compiler_builtins",
@@ -177,7 +183,7 @@ def generate_crates(
     macros = append_proc_macro_crate(
         "macros",
         srctree / "rust" / "macros" / "lib.rs",
-        deps=[std, proc_macro],
+        deps=[host_std, host_proc_macro],
         cfg=[],
     )
 

-- 
2.49.0