From 68a2ebd34fc94488e89ffb82b359ec6e7e152ae9 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Thu, 8 Jul 2021 00:14:31 -0700
Subject: Restructure project to make room for clox

---
 .../src/com/craftinginterpreters/lox/LoxClass.java | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 jlox/src/com/craftinginterpreters/lox/LoxClass.java

(limited to 'jlox/src/com/craftinginterpreters/lox/LoxClass.java')

diff --git a/jlox/src/com/craftinginterpreters/lox/LoxClass.java b/jlox/src/com/craftinginterpreters/lox/LoxClass.java
new file mode 100644
index 0000000..5d1c136
--- /dev/null
+++ b/jlox/src/com/craftinginterpreters/lox/LoxClass.java
@@ -0,0 +1,51 @@
+package com.craftinginterpreters.lox;
+
+import java.util.List;
+import java.util.Map;
+
+class LoxClass implements LoxCallable {
+    final String name;
+    final LoxClass superclass;
+    private final Map<String, LoxFunction> methods;
+
+    LoxClass(String name, LoxClass superclass, Map<String, LoxFunction> methods) {
+        this.superclass = superclass;
+        this.name = name;
+        this.methods = methods;
+    }
+
+    LoxFunction findMethod(String name) {
+        if (methods.containsKey(name)) {
+            return methods.get(name);
+        }
+
+        if (superclass != null) {
+            return superclass.findMethod(name);
+        }
+
+        return null;
+    }
+
+    @Override
+    public String toString() {
+        return name;
+    }
+
+    @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() {
+        LoxFunction initializer = findMethod("init");
+        if (initializer == null) return 0;
+        return initializer.arity();
+    }
+}
-- 
cgit v1.2.3-54-g00ecf