From 3a8b546a2786e54fbfff4d368ae45e65e1e43d21 Mon Sep 17 00:00:00 2001 From: Miguel Ojeda Date: Mon, 24 Nov 2025 16:18:18 +0100 Subject: rust: proc-macro2: import crate This is a subset of the Rust `proc-macro2` crate, version 1.0.101 (released 2025-08-16), licensed under "Apache-2.0 OR MIT", from: https://github.com/dtolnay/proc-macro2/raw/1.0.101/src The files are copied as-is, with no modifications whatsoever (not even adding the SPDX identifiers). For copyright details, please see: https://github.com/dtolnay/proc-macro2/blob/1.0.101/README.md#license https://github.com/dtolnay/proc-macro2/blob/1.0.101/LICENSE-APACHE https://github.com/dtolnay/proc-macro2/blob/1.0.101/LICENSE-MIT The next two patches modify these files as needed for use within the kernel. This patch split allows reviewers to double-check the import and to clearly see the differences introduced. The following script may be used to verify the contents: for path in $(cd rust/proc-macro2/ && find . -type f -name '*.rs'); do curl --silent --show-error --location \ https://github.com/dtolnay/proc-macro2/raw/1.0.101/src/$path \ | diff --unified rust/proc-macro2/$path - && echo $path: OK done Reviewed-by: Gary Guo Tested-by: Gary Guo Tested-by: Jesung Yang Link: https://patch.msgid.link/20251124151837.2184382-7-ojeda@kernel.org Signed-off-by: Miguel Ojeda --- rust/proc-macro2/marker.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 rust/proc-macro2/marker.rs (limited to 'rust/proc-macro2/marker.rs') diff --git a/rust/proc-macro2/marker.rs b/rust/proc-macro2/marker.rs new file mode 100644 index 000000000000..23b94ce6fa85 --- /dev/null +++ b/rust/proc-macro2/marker.rs @@ -0,0 +1,17 @@ +use alloc::rc::Rc; +use core::marker::PhantomData; +use core::panic::{RefUnwindSafe, UnwindSafe}; + +// Zero sized marker with the correct set of autotrait impls we want all proc +// macro types to have. +#[derive(Copy, Clone)] +#[cfg_attr( + all(procmacro2_semver_exempt, any(not(wrap_proc_macro), super_unstable)), + derive(PartialEq, Eq) +)] +pub(crate) struct ProcMacroAutoTraits(PhantomData>); + +pub(crate) const MARKER: ProcMacroAutoTraits = ProcMacroAutoTraits(PhantomData); + +impl UnwindSafe for ProcMacroAutoTraits {} +impl RefUnwindSafe for ProcMacroAutoTraits {} -- cgit