lint on variant and fields as well

clippy_lints/src/doc/mod.rs

@@ -399,6 +399,16 @@ impl<'tcx> LateLintPass<'tcx> for Documentation {
         check_attrs(cx, &self.valid_idents, attrs);
     }
 
+    fn check_variant(&mut self, cx: &LateContext<'tcx>, variant: &'tcx hir::Variant<'tcx>) {
+        let attrs = cx.tcx.hir().attrs(variant.hir_id);
+        check_attrs(cx, &self.valid_idents, attrs);
+    }
+
+    fn check_field_def(&mut self, cx: &LateContext<'tcx>, variant: &'tcx hir::FieldDef<'tcx>) {
+        let attrs = cx.tcx.hir().attrs(variant.hir_id);
+        check_attrs(cx, &self.valid_idents, attrs);
+    }
+
     fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
         let attrs = cx.tcx.hir().attrs(item.hir_id());
         let Some(headers) = check_attrs(cx, &self.valid_idents, attrs) else {

tests/ui/empty_docs.rs

@@ -1,63 +1,67 @@
 #![allow(unused)]
 #![warn(clippy::empty_docs)]
-
-/// this is a struct
-struct Bananas {
-    /// count
-    count: usize,
-}
-
-///
-enum Warn {
-    ///
-    A,
-    ///
-    B,
-}
-
-enum WarnA {
-    ///
-    A,
-    B,
-}
-
-enum DontWarn {
-    /// it's ok
-    A,
-    ///
-    B,
-}
-
-#[doc = ""]
-fn warn_about_this() {}
-
-#[doc = ""]
-#[doc = ""]
-fn this_doesn_warn() {}
-
-#[doc = "a fine function"]
-fn this_is_fine() {}
-
-fn warn_about_this_as_well() {
+mod outer {
     //!
-}
 
-///
-fn warn_inner_outer() {
-    //!w
-}
+    /// this is a struct
+    struct Bananas {
+        /// count
+        count: usize,
+    }
 
-fn this_is_ok() {
-    //!
-    //! inside the function
-}
+    ///
+    enum Warn {
+        ///
+        A,
+        B,
+    }
 
-fn warn() {
-    /*! */
-}
+    enum DontWarn {
+        /// i
+        A,
+        B,
+    }
 
-fn dont_warn() {
-    /*! dont warn me */
-}
+    #[doc = ""]
+    fn warn_about_this() {}
 
-trait NoDoc {}
+    #[doc = ""]
+    #[doc = ""]
+    fn this_doesn_warn() {}
+
+    #[doc = "a fine function"]
+    fn this_is_fine() {}
+
+    ///
+    mod inner {
+        ///
+        fn dont_warn_inner_outer() {
+            //!w
+        }
+
+        fn this_is_ok() {
+            //!
+            //! inside the function
+        }
+
+        fn warn() {
+            /*! */
+        }
+
+        fn dont_warn() {
+            /*! dont warn me */
+        }
+
+        trait NoDoc {
+            ///
+            fn some() {}
+        }
+    }
+
+    union Unite {
+        /// lint y
+        x: i32,
+        ///
+        y: i32,
+    }
+}

tests/ui/empty_docs.stderr

@@ -1,45 +1,77 @@
 error: empty doc comment
-  --> tests/ui/empty_docs.rs:10:1
+  --> tests/ui/empty_docs.rs:4:5
    |
-LL | ///
-   | ^^^
+LL |     //!
+   |     ^^^
    |
    = help: consider removing or filling it
    = note: `-D clippy::empty-docs` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::empty_docs)]`
 
 error: empty doc comment
-  --> tests/ui/empty_docs.rs:31:1
+  --> tests/ui/empty_docs.rs:12:5
    |
-LL | #[doc = ""]
-   | ^^^^^^^^^^^
-   |
-   = help: consider removing or filling it
-
-error: empty doc comment
-  --> tests/ui/empty_docs.rs:34:1
-   |
-LL | / #[doc = ""]
-LL | | #[doc = ""]
-   | |___________^
-   |
-   = help: consider removing or filling it
-
-error: empty doc comment
-  --> tests/ui/empty_docs.rs:42:5
-   |
-LL |     //!
+LL |     ///
    |     ^^^
    |
    = help: consider removing or filling it
 
 error: empty doc comment
-  --> tests/ui/empty_docs.rs:56:5
+  --> tests/ui/empty_docs.rs:14:9
    |
-LL |     /*! */
-   |     ^^^^^^
+LL |         ///
+   |         ^^^
    |
    = help: consider removing or filling it
 
-error: aborting due to 5 previous errors
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:25:5
+   |
+LL |     #[doc = ""]
+   |     ^^^^^^^^^^^
+   |
+   = help: consider removing or filling it
+
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:28:5
+   |
+LL | /     #[doc = ""]
+LL | |     #[doc = ""]
+   | |_______________^
+   |
+   = help: consider removing or filling it
+
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:35:5
+   |
+LL |     ///
+   |     ^^^
+   |
+   = help: consider removing or filling it
+
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:48:13
+   |
+LL |             /*! */
+   |             ^^^^^^
+   |
+   = help: consider removing or filling it
+
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:56:13
+   |
+LL |             ///
+   |             ^^^
+   |
+   = help: consider removing or filling it
+
+error: empty doc comment
+  --> tests/ui/empty_docs.rs:64:9
+   |
+LL |         ///
+   |         ^^^
+   |
+   = help: consider removing or filling it
+
+error: aborting due to 9 previous errors