support indexed getters on object.

lib/v8/conversion/object.rb

@@ -1,5 +1,7 @@
 class V8::Conversion
   module Object
+    include V8::Util::Weakcell
+
     def to_v8
       object = to_v8_template.NewInstance()
       V8::Context.link self, object
@@ -7,8 +9,12 @@ class V8::Conversion
     end
 
     def to_v8_template
-      V8::C::ObjectTemplate::New().tap do |template|
-        template.SetNamedPropertyHandler(Get, Set, nil, nil, nil, V8::C::External::New(self))
+      weakcell(:v8_template) do
+        V8::C::ObjectTemplate::New().tap do |template|
+          data = V8::C::External::New(self)
+          template.SetNamedPropertyHandler(Get, Set, nil, nil, nil, data)
+          template.SetIndexedPropertyHandler(IGet, ISet, nil, nil, nil, data)
+        end
       end
     end
 
@@ -45,6 +51,34 @@ class V8::Conversion
         warn "uncaught exception: #{e.class}: #{e.message} while accessing object property: #{e.backtrace.join('\n')}"
       end
     end
+
+    class IGet
+      def self.call(index, info)
+        context = V8::Context.current
+        access = context.access
+        object = info.Data().Value()
+        dontintercept = proc do
+          return V8::C::Value::Empty
+        end
+        context.to_v8 access.iget(object, index, &dontintercept)
+      rescue Exception => e
+        warn "uncaught exception: #{e.class}: #{e.message} while accessing object property: #{e.backtrace.join('\n')}"
+      end
+    end
+
+    class ISet
+      def self.call(index, value, info)
+        context = V8::Context.current
+        access = context.access
+        object = info.Data().Value()
+        dontintercept = proc do
+          return V8::C::Value::Empty
+        end
+        access.iset(object, index, context.to_ruby(value), &dontintercept)
+      rescue Exception => e
+        warn "uncaught exception: #{e.class}: #{e.message} while accessing object property: #{e.backtrace.join('\n')}"
+      end
+    end
   end
 
   module NativeObject