rust: proc-macro2: add SPDX License Identifiers

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Rust-for-Linux · ojeda · Oct 9, 2022 · Oct 9, 2022 · Oct 9, 2022 · Oct 9, 2022
commit ff8917c18efa28ee929aa3c6e03b73875832a75d
diff --git a/rust/proc-macro2/detection.rs b/rust/proc-macro2/detection.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use core::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Once;
 

diff --git a/rust/proc-macro2/fallback.rs b/rust/proc-macro2/fallback.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::parse::{self, Cursor};
 use crate::rcvec::{RcVec, RcVecBuilder, RcVecIntoIter, RcVecMut};
 use crate::{Delimiter, Spacing, TokenTree};

diff --git a/rust/proc-macro2/lib.rs b/rust/proc-macro2/lib.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 //! [![github]](https://github.com/dtolnay/proc-macro2)&ensp;[![crates-io]](https://crates.io/crates/proc-macro2)&ensp;[![docs-rs]](crate)
 //!
 //! [github]: https://img.shields.io/badge/github-8da0cb?style=for-the-badge&labelColor=555555&logo=github

diff --git a/rust/proc-macro2/marker.rs b/rust/proc-macro2/marker.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use core::marker::PhantomData;
 use std::panic::{RefUnwindSafe, UnwindSafe};
 use std::rc::Rc;

diff --git a/rust/proc-macro2/parse.rs b/rust/proc-macro2/parse.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::fallback::{
     is_ident_continue, is_ident_start, Group, LexError, Literal, Span, TokenStream,
     TokenStreamBuilder,

diff --git a/rust/proc-macro2/rcvec.rs b/rust/proc-macro2/rcvec.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use core::mem;
 use core::slice;
 use std::rc::Rc;

diff --git a/rust/proc-macro2/wrapper.rs b/rust/proc-macro2/wrapper.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use crate::detection::inside_proc_macro;
 use crate::{fallback, Delimiter, Punct, Spacing, TokenTree};
 use core::fmt::{self, Debug, Display};