Add Object::ObjectProtoToString

Author: georgyangelov

ext/v8/object.cc

@@ -20,6 +20,7 @@ namespace rr {
       defineMethod("GetOwnPropertyNames", &GetOwnPropertyNames).
       defineMethod("GetPrototype", &GetPrototype).
       defineMethod("SetPrototype", &SetPrototype).
+      defineMethod("ObjectProtoToString", &ObjectProtoToString).
 
       store(&Class);
   }
@@ -202,6 +203,13 @@ namespace rr {
     ));
   }
 
+  VALUE Object::ObjectProtoToString(VALUE self, VALUE r_context) {
+    Object object(self);
+    Locker lock(object);
+
+    return String::Maybe(object.getIsolate(), object->ObjectProtoToString(Context(r_context)));
+  }
+
   Object::operator VALUE() {
     Isolate isolate(getIsolate());
     Locker lock(isolate);

ext/v8/object.h

@@ -26,6 +26,8 @@ namespace rr {
     static VALUE GetPrototype(VALUE self);
     static VALUE SetPrototype(VALUE self, VALUE r_context, VALUE prototype);
 
+    static VALUE ObjectProtoToString(VALUE self, VALUE r_context);
+
     inline Object(VALUE value) : Ref<v8::Object>(value) {}
     inline Object(v8::Isolate* isolate, v8::Handle<v8::Object> object) : Ref<v8::Object>(isolate, object) {}
 

ext/v8/rr_string.h

@@ -15,6 +15,8 @@ namespace rr {
     inline String(v8::Isolate* isolate, v8::Handle<v8::String> string) : Ref<v8::String>(isolate, string) {}
 
     virtual operator v8::Handle<v8::String>() const;
+
+    typedef MaybeLocal<rr::String, v8::String> Maybe;
   };
 
 }

spec/c/object_spec.rb

@@ -282,4 +282,24 @@
       expect(names.FromJust.Get(@ctx, 1)).to v8_eq prototype_key
     end
   end
+
+  describe '#ObjectProtoToString' do
+    it 'can return a string representation of simple objects' do
+      o = V8::C::Object.New(@isolate)
+      str = o.ObjectProtoToString(@ctx)
+
+      expect(str).to be_successful
+      expect(str.FromJust.Utf8Value).to eq '[object Object]'
+    end
+
+    it 'can return a string representation of simple objects' do
+      a = V8::C::Array.New(@isolate)
+      a.Set(@ctx, 0, 2)
+      a.Set(@ctx, 1, 3)
+
+      str = a.ObjectProtoToString(@ctx)
+      expect(str).to be_successful
+      expect(str.FromJust.Utf8Value).to eq '[object Array]'
+    end
+  end
 end