macros: generate automatically_derived attribute

It is customary that auto-generated trait impls have that attribute. Also, this disables dead code analysis for derived impls.
scylladb · Dec 8, 2024 · 69f6e59 · 69f6e59
1 parent d7a02a4
commit 69f6e59
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diff --git a/scylla-macros/src/deserialize/mod.rs b/scylla-macros/src/deserialize/mod.rs
@@ -115,6 +115,7 @@ where
         let items = items.into_iter();
 
         parse_quote! {
+            #[automatically_derived]
             impl<#frame_lifetime, #metadata_lifetime, #impl_generics>
                 #trait_<#frame_lifetime, #metadata_lifetime> for #struct_name #ty_generics
             where #(#predicates),*

diff --git a/scylla-macros/src/serialize/row.rs b/scylla-macros/src/serialize/row.rs
@@ -102,6 +102,7 @@ pub(crate) fn derive_serialize_row(tokens_input: TokenStream) -> Result<syn::Ite
     let is_empty_item = gen.generate_is_empty();
 
     let res = parse_quote! {
+        #[automatically_derived]
         impl #impl_generics #implemented_trait for #struct_name #ty_generics #where_clause {
             #serialize_item
             #is_empty_item

diff --git a/scylla-macros/src/serialize/value.rs b/scylla-macros/src/serialize/value.rs
@@ -128,6 +128,7 @@ pub(crate) fn derive_serialize_value(
     let serialize_item = gen.generate_serialize();
 
     let res = parse_quote! {
+        #[automatically_derived]
         impl #impl_generics #implemented_trait for #struct_name #ty_generics #where_clause {
             #serialize_item
         }