12.7 Constructors and Initializers

1 files changed, 7 insertions, 1 deletions

diff --git a/src/com/craftinginterpreters/lox/LoxClass.java b/src/com/craftinginterpreters/lox/LoxClass.java
index 0c0223f..5e0e755 100644
--- a/src/com/craftinginterpreters/lox/LoxClass.java
+++ b/src/com/craftinginterpreters/lox/LoxClass.java
@@ -28,11 +28,17 @@ class LoxClass implements LoxCallable {
     @Override
     public Object call(Interpreter interpreter, List<Object> arguments) {
         LoxInstance instance = new LoxInstance(this);
+        LoxFunction initializer = findMethod("init");
+        if (initializer != null) {
+            initializer.bind(instance).call(interpreter, arguments);
+        }
         return instance;
     }
 
     @Override
     public int arity() {
-        return 0;
+        LoxFunction initializer = findMethod("init");
+        if (initializer == null) return 0;
+        return initializer.arity();
     }
 }