implementing superclasses (ch29)

samples/ch29_superclass.lox

@@ -0,0 +1,21 @@
+class Doughnut {
+    cook() {
+        print "Dunk in the fryer.";
+    }
+
+    zzz() {
+        print "Bla";
+    }
+}
+
+class Cruller < Doughnut {
+    finish() {
+        print "Glaze with icing.";
+    }
+}
+
+var o2 = Cruller();
+o2.cook();
+o2.finish();
+
+

samples/ch29_superclass2.lox

@@ -0,0 +1,19 @@
+class A {
+    method() {
+        print "A method";
+    }
+}
+
+class B < A {
+    method() {
+        print "B method";
+    }
+
+    test() {
+        this.method();
+        super.method();
+    }
+}
+
+class C < B {}
+C().test();

samples/ch29_superclass_error.lox

@@ -0,0 +1,2 @@
+class Cake < Cake {
+}

samples/ch29_superclass_error2.lox

@@ -0,0 +1,2 @@
+var NotClass = "So not a class";
+class OhNo < NotClass {}