Expose SubClass.base as a synonym for BaseClass.prototype.

Closes #2.

main.js

@@ -63,6 +63,7 @@ function makeClass(base, newProps) {
     // extend between all classes.
     constructor.prototype = ownProto;
     constructor.extend = extend;
+    constructor.base = baseProto;
 
     // Setting constructor.prototype.constructor = constructor is
     // important so that instanceof works properly in all browsers.

test/run.js

@@ -188,3 +188,32 @@ exports.testStatics = function(t, assert) {
 
     t.finish();
 };
+
+exports.testBaseProperty = function(t, assert) {
+    var A = Class.extend({
+        foo: function() {
+            return "name: " + this.name;
+        }
+    });
+
+    var B = A.extend({
+        name: "B",
+
+        bar: function() {
+            assert.strictEqual(B.base.bar, this._super);
+            return B.base.foo.call(this);
+        }
+    });
+
+    var C = B.extend({
+        name: "C"
+    });
+
+    assert.strictEqual(B.base, A.prototype);
+    assert.strictEqual(C.base, B.prototype);
+
+    assert.strictEqual(new B().bar(), "name: B");
+    assert.strictEqual(new C().bar(), "name: C");
+
+    t.finish();
+};