xref: /linux/rust/pin-init/internal/src/lib.rs (revision 26bd9402389eaebed086755afb03453dcae6617a)
1 // SPDX-License-Identifier: Apache-2.0 OR MIT
2 
3 // When fixdep scans this, it will find this string `CONFIG_RUSTC_VERSION_TEXT`
4 // and thus add a dependency on `include/config/RUSTC_VERSION_TEXT`, which is
5 // touched by Kconfig when the version string from the compiler changes.
6 
7 //! `pin-init` proc macros.
8 
9 #![cfg_attr(not(RUSTC_LINT_REASONS_IS_STABLE), feature(lint_reasons))]
10 // Documentation is done in the pin-init crate instead.
11 #![allow(missing_docs)]
12 
13 use proc_macro::TokenStream;
14 
15 mod diagnostics;
16 mod helpers;
17 mod pin_data;
18 mod pinned_drop;
19 mod zeroable;
20 
21 #[proc_macro_attribute]
22 pub fn pin_data(inner: TokenStream, item: TokenStream) -> TokenStream {
23     pin_data::pin_data(inner.into(), item.into()).into()
24 }
25 
26 #[proc_macro_attribute]
27 pub fn pinned_drop(args: TokenStream, input: TokenStream) -> TokenStream {
28     pinned_drop::pinned_drop(args.into(), input.into()).into()
29 }
30 
31 #[proc_macro_derive(Zeroable)]
32 pub fn derive_zeroable(input: TokenStream) -> TokenStream {
33     zeroable::derive(input.into()).into()
34 }
35 
36 #[proc_macro_derive(MaybeZeroable)]
37 pub fn maybe_derive_zeroable(input: TokenStream) -> TokenStream {
38     zeroable::maybe_derive(input.into()).into()
39 }
40