Add basic API support for Map & Set

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 1719 matching lines @@
 Handle<JSDataView> Factory::NewJSDataView() {
   Handle<JSFunction> data_view_fun(
       isolate()->native_context()->data_view_fun());
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSObject(*data_view_fun),
       JSDataView);
 }
 
 
+Handle<JSMap> Factory::NewJSMap() {
+  Handle<Map> map(isolate()->native_context()->js_map_map());
+  Handle<JSMap> js_map = Handle<JSMap>::cast(NewJSObjectFromMap(map));
+  Runtime::JSMapInitialize(isolate(), js_map);
+  return js_map;
+}
+
+
+Handle<JSSet> Factory::NewJSSet() {
+  Handle<Map> map(isolate()->native_context()->js_set_map());
+  Handle<JSSet> js_set = Handle<JSSet>::cast(NewJSObjectFromMap(map));
+  Runtime::JSSetInitialize(isolate(), js_set);
+  return js_set;
+}
+
+
 Handle<JSMapIterator> Factory::NewJSMapIterator() {
   Handle<Map> map(isolate()->native_context()->map_iterator_map());
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->AllocateJSObjectFromMap(*map),
                      JSMapIterator);
 }
 
 
 Handle<JSSetIterator> Factory::NewJSSetIterator() {
   Handle<Map> map(isolate()->native_context()->set_iterator_map());
@@ skipping 676 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal