Removed guts from ClassHook

Author: lukaskubanek

Sources/InterposeKit/Hooks/AnyHook.swift

@@ -79,8 +79,30 @@ public class AnyHook: Hook {
 
 /// Hook baseclass with generic signatures.
 public class TypedHook<MethodSignature, HookSignature>: AnyHook {
+    
+    override func replaceImplementation() throws {
+        if let strategy = self.strategy as? ClassHookStrategy<MethodSignature> {
+            return try strategy.replaceImplementation()
+        } else {
+            preconditionFailure("Not implemented")
+        }
+    }
+    
+    override func resetImplementation() throws {
+        if let strategy = self.strategy as? ClassHookStrategy<MethodSignature> {
+            return try strategy.resetImplementation()
+        } else {
+            preconditionFailure("Not implemented")
+        }
+    }
+    
     /// The original implementation of the hook. Might be looked up at runtime. Do not cache this.
     public var original: MethodSignature {
-        preconditionFailure("Always override")
+        if let strategy = self.strategy as? ClassHookStrategy<MethodSignature> {
+            return strategy.original
+        } else {
+            preconditionFailure("Not implemented")
+        }
     }
+    
 }

Sources/InterposeKit/Hooks/ClassHook.swift

@@ -26,19 +26,6 @@ extension Interpose {
                 strategyProvider: strategyProvider
             )
         }
-
-        override func replaceImplementation() throws {
-            try (self.strategy as! ClassHookStrategy<MethodSignature>).replaceImplementation()
-        }
-
-        override func resetImplementation() throws {
-            try (self.strategy as! ClassHookStrategy<MethodSignature>).resetImplementation()
-        }
-
-        /// The original implementation is cached at hook time.
-        public override var original: MethodSignature {
-            (self.strategy as! ClassHookStrategy<MethodSignature>).original
-        }
 
     }
 }