test(sol-macro): add a test for missing_docs

crates/sol-macro-expander/src/expand/contract.rs

@@ -874,7 +874,10 @@ impl CallLikeExpander<'_> {
         let mut tokens = quote! {
             #(#attrs)*
             pub enum #name {
-                #(#variants(#types),)*
+                #(
+                    #[allow(missing_docs)]
+                    #variants(#types),
+                )*
             }
 
             #[automatically_derived]

crates/sol-macro-expander/src/expand/event.rs

@@ -151,10 +151,7 @@ pub(super) fn expand(cx: &ExpCtxt<'_>, event: &ItemEvent) -> Result<TokenStream>
         #[allow(non_camel_case_types, non_snake_case, clippy::pub_underscore_fields, clippy::style)]
         #[derive(Clone)]
         pub struct #name {
-            #(
-                #[allow(missing_docs)]
-                pub #fields,
-            )*
+            #( #fields, )*
         }
 
         #[allow(non_camel_case_types, non_snake_case, clippy::pub_underscore_fields, clippy::style)]
@@ -259,5 +256,10 @@ fn expand_event_topic_field(
     } else {
         cx.expand_rust_type(&param.ty)
     };
-    quote!(#name: #ty)
+    let attrs = &param.attrs;
+    quote! {
+        #(#attrs)*
+        #[allow(missing_docs)]
+        pub #name: #ty
+    }
 }

crates/sol-macro-expander/src/expand/mod.rs

@@ -778,6 +778,7 @@ fn expand_fields<'a, P>(
         let attrs = &var.attrs;
         quote! {
             #(#attrs)*
+            #[allow(missing_docs)]
             pub #name: #ty
         }
     })

tests/core-sol/src/lib.rs

@@ -64,6 +64,70 @@ sol! {
     }
 }
 
+/// Docs
+#[deny(missing_docs)]
+pub mod no_missing_docs {
+    alloy_core::sol! {
+        #[allow(missing_docs)]
+        contract Allowed {
+            uint256 public number;
+
+            struct MyStruct {
+                uint256 a;
+                bool b;
+            }
+
+            function setNumber(uint256 newNumber) public {
+                number = newNumber;
+            }
+
+            function increment() public {
+                number++;
+            }
+
+            event Transfer(address indexed from, address indexed to, uint256 value);
+            event Approval(address indexed owner, address indexed spender, uint256 value);
+
+            error Transfer2(address from, address to, uint256 value);
+            error Approval2(address owner, address spender, uint256 value);
+        }
+
+        /// Docs
+        contract NotAllowed {
+            /// Docs
+            uint256 public number;
+
+            /// Docs
+            struct MyStruct {
+                /// Docs
+                uint256 a;
+                /// Docs
+                bool b;
+            }
+
+            /// Docs
+            function setNumber(uint256 newNumber) public {
+                number = newNumber;
+            }
+
+            /// Docs
+            function increment() public {
+                number++;
+            }
+
+            /// Docs
+            event Transfer(address indexed from, address indexed to, uint256 value);
+            /// Docs
+            event Approval(address indexed owner, address indexed spender, uint256 value);
+
+            /// Docs
+            error Transfer2(address from, address to, uint256 value);
+            /// Docs
+            error Approval2(address owner, address spender, uint256 value);
+        }
+    }
+}
+
 #[test]
 #[cfg_attr(miri, ignore = "foldhash queries time (orlp/foldhash#4)")]
 fn do_stuff() {