30 lines
1.1 KiB
Rust
30 lines
1.1 KiB
Rust
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extern crate proc_macro;
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use proc_macro::Delimiter::{Brace, Bracket, Parenthesis};
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use proc_macro::Spacing::{Alone, Joint};
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use proc_macro::{Group, Ident, Punct, Span, TokenStream, TokenTree as TT};
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#[proc_macro_derive(Derive)]
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pub fn derive(_: TokenStream) -> TokenStream {
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TokenStream::from_iter([
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TT::from(Punct::new('#', Alone)),
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TT::from(Group::new(
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Bracket,
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TokenStream::from_iter([
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TT::from(Ident::new("allow", Span::call_site())),
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TT::from(Group::new(
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Parenthesis,
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TokenStream::from_iter([
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TT::from(Ident::new("clippy", Span::call_site())),
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TT::from(Punct::new(':', Joint)),
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TT::from(Punct::new(':', Alone)),
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TT::from(Ident::new("disallowed_macros", Span::call_site())),
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]),
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)),
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]),
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)),
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TT::from(Ident::new("impl", Span::call_site())),
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TT::from(Ident::new("Foo", Span::call_site())),
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TT::from(Group::new(Brace, TokenStream::new())),
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])
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}
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