[es7] implement Object.values() / Object.entries() proposal

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 35671d2c4c813c5adccd36ca989e9f101e6cb092..b7f30433d5f35a33128b1494639b82679c1174b9 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1653,6 +1653,62 @@ BUILTIN(ObjectKeys) {
 }
 
 
+BUILTIN(ObjectValues) {
+  HandleScope scope(isolate);
+  Handle<Object> object = args.atOrUndefined(isolate, 1);
+  Handle<JSReceiver> receiver;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
+                                     Object::ToObject(isolate, object));
+  Handle<FixedArray> keys;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, keys,
+      JSReceiver::GetKeys(receiver, JSReceiver::OWN_ONLY, ENUMERABLE_STRINGS,
+                          CONVERT_TO_STRING));
+
+  for (int i = 0; i < keys->length(); ++i) {
+    auto key = Handle<Name>::cast(FixedArray::get(keys, i));
+    Handle<Object> value;
+
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate, value, Object::GetPropertyOrElement(receiver, key, STRICT));
+
+    keys->set(i, *value);
+  }
+
+  return *isolate->factory()->NewJSArrayWithElements(keys);
+}
+
+
+BUILTIN(ObjectEntries) {
+  HandleScope scope(isolate);
+  Handle<Object> object = args.atOrUndefined(isolate, 1);
+  Handle<JSReceiver> receiver;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
+                                     Object::ToObject(isolate, object));
+  Handle<FixedArray> keys;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, keys,
+      JSReceiver::GetKeys(receiver, JSReceiver::OWN_ONLY, ENUMERABLE_STRINGS,
+                          CONVERT_TO_STRING));
+
+  for (int i = 0; i < keys->length(); ++i) {
+    auto key = Handle<Name>::cast(FixedArray::get(keys, i));
+    Handle<Object> value;
+
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate, value, Object::GetPropertyOrElement(receiver, key, STRICT));
+
+    auto entry_storage = isolate->factory()->NewUninitializedFixedArray(2);
+    entry_storage->set(0, *key);
+    entry_storage->set(1, *value);
+    auto entry = isolate->factory()->NewJSArrayWithElements(entry_storage);
+    keys->set(i, *entry);
+  }
+
+  return *isolate->factory()->NewJSArrayWithElements(keys);
+}
+
+
 // ES6 section 19.1.2.15 Object.preventExtensions ( O )
 BUILTIN(ObjectPreventExtensions) {
   HandleScope scope(isolate);