Optimize Map/Set.prototype.forEach

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/conversions.h"
 #include "src/isolate-inl.h"
 #include "src/macro-assembler.h"
 
@@ skipping 1376 matching lines @@
       !info->is_toplevel() &&
       info->allows_lazy_compilation() &&
       !info->optimization_disabled() &&
       !isolate()->DebuggerHasBreakPoints()) {
     result->MarkForOptimization();
   }
   return result;
 }
 
 
-Handle<JSObject> Factory::NewIteratorResultObject(Handle<Object> value,
-                                                     bool done) {
-  Handle<Map> map(isolate()->native_context()->iterator_result_map());
-  Handle<JSObject> result = NewJSObjectFromMap(map, NOT_TENURED, false);
-  result->InObjectPropertyAtPut(
-      JSGeneratorObject::kResultValuePropertyIndex, *value);
-  result->InObjectPropertyAtPut(
-      JSGeneratorObject::kResultDonePropertyIndex, *ToBoolean(done));
-  return result;
-}
-
-
 Handle<ScopeInfo> Factory::NewScopeInfo(int length) {
   Handle<FixedArray> array = NewFixedArray(length, TENURED);
   array->set_map_no_write_barrier(*scope_info_map());
   Handle<ScopeInfo> scope_info = Handle<ScopeInfo>::cast(array);
   return scope_info;
 }
 
 
 Handle<JSObject> Factory::NewExternal(void* value) {
   Handle<Foreign> foreign = NewForeign(static_cast<Address>(value));
@@ skipping 952 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal