first implementation of NativeReflect

examples/Matrix.java

@@ -9,6 +9,7 @@
 import org.mozilla.javascript.Context;
 import org.mozilla.javascript.Scriptable;
 import org.mozilla.javascript.ScriptableObject;
+import org.mozilla.javascript.Symbol;
 
 /**
  * Matrix: An example host object class that implements the Scriptable interface.
@@ -93,6 +94,17 @@ public boolean has(int index, Scriptable start) {
         return true;
     }
 
+    /**
+     * Defines all numeric properties by returning true.
+     *
+     * @param key the key of the property
+     * @param start the object where lookup began
+     */
+    @Override
+    public boolean has(Symbol key, Scriptable start) {
+        return true;
+    }
+
     /**
      * Get the named property.
      *
@@ -172,6 +184,14 @@ public void delete(String id) {}
     @Override
     public void delete(int index) {}
 
+    /**
+     * Remove an symbol property.
+     *
+     * <p>This method shouldn't even be called since we define all properties as PERMANENT.
+     */
+    @Override
+    public void delete(Symbol key) {}
+
     /** Get prototype. */
     @Override
     public Scriptable getPrototype() {