Recursively call extractCallsToSuper(methodName:)

CHANGELOG.md

@@ -135,6 +135,11 @@
   [Marcelo Fabri](https://github.com/marcelofabri)
   [#1508](https://github.com/realm/SwiftLint/issues/1508)
 
+* Fix false positives in `prohibited_super_call` & `overridden_super_call` rules
+  where calls to `super` were done in nested scopes such as `defer` blocks.  
+  [JP Simard](https://github.com/jpsim)
+  [#1301](https://github.com/realm/SwiftLint/issues/1301)
+
 ## 0.18.1: Misaligned Drum
 
 ##### Breaking

Source/SwiftLintFramework/Extensions/Dictionary+SwiftLint.swift

@@ -121,12 +121,13 @@ extension Dictionary where Key: ExpressibleByStringLiteral {
 
     internal func extractCallsToSuper(methodName: String) -> [String] {
         let superCall = "super.\(methodName)"
-        return substructure.flatMap { elems in
+        return substructure.flatMap { elems -> [String] in
             guard let type = elems.kind.flatMap({ SwiftExpressionKind(rawValue: $0) }),
                 let name = elems.name,
-                type == .call && superCall.contains(name)
-                else { return nil }
-            return name
+                type == .call && superCall.contains(name) else {
+                    return elems.extractCallsToSuper(methodName: methodName)
+            }
+            return [name]
         }
     }
 }

Source/SwiftLintFramework/Rules/OverriddenSuperCallRule.swift

@@ -37,6 +37,13 @@ public struct OverriddenSuperCallRule: ConfigurationProviderRule, ASTRule, OptIn
             "class Some {\n" +
                 "\tfunc viewWillAppear(_ animated: Bool) {\n" +
                 "\t}\n" +
+            "}\n",
+            "class VC: UIViewController {\n" +
+                "\toverride func viewDidLoad() {\n" +
+                "\t\tdefer {\n" +
+                "\t\t\tsuper.viewDidLoad()\n" +
+                "\t\t}\n" +
+                "\t}\n" +
             "}\n"
         ],
         triggeringExamples: [

Source/SwiftLintFramework/Rules/ProhibitedSuperRule.swift

@@ -47,6 +47,13 @@ public struct ProhibitedSuperRule: ConfigurationProviderRule, ASTRule, OptInRule
                     "\t\tsuper.updateLayer()\n" +
                     "\t\tself.method2()\n" +
                 "\t}\n" +
+            "}\n",
+            "class VC: NSView {\n" +
+                "\toverride func updateLayer() {↓\n" +
+                "\t\tdefer {\n" +
+                "\t\t\tsuper.updateLayer()\n" +
+                "\t\t}\n" +
+                "\t}\n" +
             "}\n"
         ]
     )