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 use syn::parse_macro_input; 15 16 use crate::diagnostics::DiagCtxt; 17 18 mod diagnostics; 19 mod helpers; 20 mod pin_data; 21 mod pinned_drop; 22 mod zeroable; 23 24 #[proc_macro_attribute] 25 pub fn pin_data(inner: TokenStream, item: TokenStream) -> TokenStream { 26 pin_data::pin_data(inner.into(), item.into()).into() 27 } 28 29 #[proc_macro_attribute] 30 pub fn pinned_drop(args: TokenStream, input: TokenStream) -> TokenStream { 31 let args = parse_macro_input!(args); 32 let input = parse_macro_input!(input); 33 DiagCtxt::with(|dcx| pinned_drop::pinned_drop(args, input, dcx)).into() 34 } 35 36 #[proc_macro_derive(Zeroable)] 37 pub fn derive_zeroable(input: TokenStream) -> TokenStream { 38 let input = parse_macro_input!(input); 39 DiagCtxt::with(|dcx| zeroable::derive(input, dcx)).into() 40 } 41 42 #[proc_macro_derive(MaybeZeroable)] 43 pub fn maybe_derive_zeroable(input: TokenStream) -> TokenStream { 44 let input = parse_macro_input!(input); 45 DiagCtxt::with(|dcx| zeroable::maybe_derive(input, dcx)).into() 46 } 47