2021-07-08 13:47:11 +08:00
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use proc_macro2::TokenStream;
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2021-07-12 11:41:08 +08:00
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// #[proc_macro_derive(DartEvent, attributes(event_ty))]
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2021-10-01 19:39:08 +08:00
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pub fn expand_enum_derive(_input: &syn::DeriveInput) -> Result<TokenStream, Vec<syn::Error>> {
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Ok(TokenStream::default())
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}
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2021-08-30 22:44:17 +08:00
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// use flowy_ast::{ASTContainer, Ctxt};
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// use proc_macro2::TokenStream;
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//
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// // #[proc_macro_derive(DartEvent, attributes(event_ty))]
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// pub fn expand_enum_derive(input: &syn::DeriveInput) -> Result<TokenStream,
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// Vec<syn::Error>> { let ctxt = Ctxt::new();
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// let cont = match ASTContainer::from_ast(&ctxt, input) {
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// Some(cont) => cont,
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// None => return Err(ctxt.check().unwrap_err()),
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// };
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//
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// let enum_ident = &cont.ident;
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// let pb_enum = cont.attrs.pb_enum_type().unwrap();
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//
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// let build_display_pb_enum = cont.data.all_idents().map(|i| {
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// let a = format_ident!("{}", i.to_string());
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// let token_stream: TokenStream = quote! {
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// #enum_ident::#i => f.write_str(&#a)?,
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// };
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// token_stream
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// });
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//
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// ctxt.check()?;
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//
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// Ok(quote! {
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// impl std::fmt::Display for #enum_ident {
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// fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result
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// { match self {
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// #(#build_display_pb_enum)*
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// }
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// }
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// }
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// })
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// }
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