fix(missing_docs): treat actors as inheriting Actor

CHANGELOG.md

@@ -78,6 +78,12 @@
 
 ### Bug Fixes
 
+* Treat actors as implicitly inheriting from `Actor` in `missing_docs` when
+  `excludes_inherited_types` is enabled, avoiding false positives on members
+  such as `unownedExecutor`.  
+  [leno23](https://github.com/leno23)
+  [#5422](https://github.com/realm/SwiftLint/issues/5422)
+
 * Detect and autocorrect missing whitespace before `else` in `guard`
   statements for the `statement_position` rule.  
   [theamodhshetty](https://github.com/theamodhshetty)

Source/SwiftLintBuiltInRules/Rules/Lint/MissingDocsRule.swift

@@ -26,7 +26,7 @@ private extension MissingDocsRule {
         }
 
         override func visit(_ node: ActorDeclSyntax) -> SyntaxVisitorContinueKind {
-            if node.inherits, configuration.excludesInheritedTypes {
+            if configuration.excludesInheritedTypes {
                 _ = super.visit(node)
                 return .skipChildren
             }
@@ -71,11 +71,9 @@ private extension MissingDocsRule {
         }
 
         override func visit(_ node: EnumDeclSyntax) -> SyntaxVisitorContinueKind {
-            if node.inherits, configuration.excludesInheritedTypes {
-                _ = super.visit(node)
-                return .skipChildren
+            if !(node.inherits && configuration.excludesInheritedTypes) {
+                collectViolation(from: node, on: node.enumKeyword)
             }
-            collectViolation(from: node, on: node.enumKeyword)
             return super.visit(node)
         }
 
@@ -103,20 +101,16 @@ private extension MissingDocsRule {
         }
 
         override func visit(_ node: ProtocolDeclSyntax) -> SyntaxVisitorContinueKind {
-            if node.inherits, configuration.excludesInheritedTypes {
-                _ = super.visit(node)
-                return .skipChildren
+            if !(node.inherits && configuration.excludesInheritedTypes) {
+                collectViolation(from: node, on: node.protocolKeyword)
             }
-            collectViolation(from: node, on: node.protocolKeyword)
             return super.visit(node)
         }
 
         override func visit(_ node: StructDeclSyntax) -> SyntaxVisitorContinueKind {
-            if node.inherits, configuration.excludesInheritedTypes {
-                _ = super.visit(node)
-                return .skipChildren
+            if !(node.inherits && configuration.excludesInheritedTypes) {
+                collectViolation(from: node, on: node.structKeyword)
             }
-            collectViolation(from: node, on: node.structKeyword)
             return super.visit(node)
         }
 

Source/SwiftLintBuiltInRules/Rules/Lint/MissingDocsRuleExamples.swift

@@ -69,6 +69,18 @@ struct MissingDocsRuleExamples {
         public func f() async {}
         #endif
         """, excludeFromDocumentation: true),
+        Example("""
+        /// My type.
+        public struct MyType: Identifiable {
+            public var id: String
+        }
+        """, configuration: ["excludes_inherited_types": true]),
+        Example("""
+        /// Documentation for MyActor.
+        public actor MyActor {
+            public nonisolated var unownedExecutor: Int { 0 }
+        }
+        """),
     ]
 
     static let triggeringExamples = [
@@ -90,6 +102,19 @@ struct MissingDocsRuleExamples {
             public let b: Int
         }
         """),
+        Example("""
+        /// My type.
+        public struct MyType: Identifiable {
+            public var id: String
+            public ↓var name: String
+        }
+        """, configuration: ["excludes_inherited_types": true]),
+        Example("""
+        /// Documentation for MyActor.
+        public actor MyActor {
+            public nonisolated ↓var unownedExecutor: Int { 0 }
+        }
+        """, configuration: ["excludes_inherited_types": false]),
         // Violation marker is on `static` keyword.
         Example("""
         /// a doc