set JavaScript function() names from Ruby.

ext/v8/v8_func.cpp

@@ -39,9 +39,11 @@ namespace {
     return rr_v8_ref_create(rr_cV8_C_Object, function->NewInstance(argc, argv));
   }
   VALUE GetName(VALUE self) {
+    HandleScope scope;
     return rr_v82rb(unwrap(self)->GetName());
   }
   VALUE SetName(VALUE self, VALUE name) {
+    HandleScope scope;
     Local<String> str = V8_Ref_Get<String>(name);
     unwrap(self)->SetName(str);
     return Qnil;

lib/v8/function.rb

@@ -24,5 +24,19 @@ module V8
         to.rb(@native.NewInstance(to.v8(args)))
       end
     end
+
+    def name
+      @portal.open do |to|
+        to.rb(@native.GetName())
+      end
+    end
+
+    def name=(name)
+      name.tap do
+        @portal.open do |to|
+          @native.SetName(to.v8(name))
+        end
+      end
+    end
   end
 end

spec/ext/func_spec.rb

@@ -46,4 +46,19 @@ describe C::Function do
       cxt.eval('say("Hello", 3)').should == "HelloHelloHello"
     end
   end
+  
+  it "has a name" do
+    Context.new do |cxt|
+      f = cxt.eval('(function hi() {return "Hello World"})', '<eval>')
+      f.name.should == "hi"
+    end
+  end
+
+  it "can have its name set" do
+    Context.new do |cxt|
+      f = cxt.eval('(function () {return "Goodbye World"})', '<eval>')
+      f.name = 'bye'
+      f.name.should == 'bye'
+    end
+  end
 end