| 1 | #![allow (clippy::uninlined_format_args)] |
| 2 | |
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| 3 | use proc_macro::TokenStream; |
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| 4 | use proc_macro2::Ident; |
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| 5 | use quote::quote; |
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| 6 | use syn::{parse_macro_input, ItemFn}; |
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| 7 | |
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| 8 | #[proc_macro_attribute ] |
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| 9 | pub fn corresponds (attr: TokenStream, item: TokenStream) -> TokenStream { |
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| 10 | let function: Ident = parse_macro_input!(attr as Ident); |
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| 11 | let item: ItemFn = parse_macro_input!(item as ItemFn); |
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| 12 | |
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| 13 | let function: String = function.to_string(); |
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| 14 | let line: String = format!( |
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| 15 | "This corresponds to [` {0}`](https://www.openssl.org/docs/manmaster/man3/ {0}.html)." , |
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| 16 | function |
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| 17 | ); |
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| 18 | |
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| 19 | let attrs: Vec = item.attrs; |
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| 20 | let vis: Visibility = item.vis; |
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| 21 | let sig: Signature = item.sig; |
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| 22 | let block: Box = item.block; |
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| 23 | |
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| 24 | let out: TokenStream = quote! { |
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| 25 | #(#attrs)* |
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| 26 | #[doc = "" ] |
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| 27 | #[doc = #line] |
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| 28 | #[doc(alias = #function)] |
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| 29 | #vis #sig #block |
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| 30 | }; |
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| 31 | out.into() |
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| 32 | } |
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| 33 | |
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