[modules] Implement @@iterator on namespace objects.

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 684 matching lines @@
 TYPE_CHECKER(JSSetIterator, JS_SET_ITERATOR_TYPE)
 TYPE_CHECKER(JSMapIterator, JS_MAP_ITERATOR_TYPE)
 TYPE_CHECKER(JSWeakMap, JS_WEAK_MAP_TYPE)
 TYPE_CHECKER(JSWeakSet, JS_WEAK_SET_TYPE)
 TYPE_CHECKER(JSContextExtensionObject, JS_CONTEXT_EXTENSION_OBJECT_TYPE)
 TYPE_CHECKER(Map, MAP_TYPE)
 TYPE_CHECKER(FixedDoubleArray, FIXED_DOUBLE_ARRAY_TYPE)
 TYPE_CHECKER(WeakFixedArray, FIXED_ARRAY_TYPE)
 TYPE_CHECKER(TransitionArray, TRANSITION_ARRAY_TYPE)
 TYPE_CHECKER(JSStringIterator, JS_STRING_ITERATOR_TYPE)
+TYPE_CHECKER(JSFixedArrayIterator, JS_FIXED_ARRAY_ITERATOR_TYPE)
 
 bool HeapObject::IsJSWeakCollection() const {
   return IsJSWeakMap() || IsJSWeakSet();
 }
 
 bool HeapObject::IsJSCollection() const { return IsJSMap() || IsJSSet(); }
 
 bool HeapObject::IsDescriptorArray() const { return IsFixedArray(); }
 
 bool HeapObject::IsFrameArray() const { return IsFixedArray(); }
@@ skipping 1392 matching lines @@
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
       return JSObject::kHeaderSize;
     case JS_MESSAGE_OBJECT_TYPE:
       return JSMessageObject::kSize;
     case JS_ARGUMENTS_TYPE:
       return JSArgumentsObject::kHeaderSize;
     case JS_ERROR_TYPE:
       return JSObject::kHeaderSize;
     case JS_STRING_ITERATOR_TYPE:
       return JSStringIterator::kSize;
+    case JS_FIXED_ARRAY_ITERATOR_TYPE:
+      return JSFixedArrayIterator::kHeaderSize;
     default:
       UNREACHABLE();
       return 0;
   }
 }
 
 
 int JSObject::GetInternalFieldCount(Map* map) {
   int instance_size = map->instance_size();
   if (instance_size == kVariableSizeSentinel) return 0;
@@ skipping 1149 matching lines @@
 CAST_ACCESSOR(JSDataView)
 CAST_ACCESSOR(JSDate)
 CAST_ACCESSOR(JSFunction)
 CAST_ACCESSOR(JSGeneratorObject)
 CAST_ACCESSOR(JSGlobalObject)
 CAST_ACCESSOR(JSGlobalProxy)
 CAST_ACCESSOR(JSMap)
 CAST_ACCESSOR(JSMapIterator)
 CAST_ACCESSOR(JSMessageObject)
 CAST_ACCESSOR(JSModuleNamespace)
+CAST_ACCESSOR(JSFixedArrayIterator)
 CAST_ACCESSOR(JSObject)
 CAST_ACCESSOR(JSProxy)
 CAST_ACCESSOR(JSReceiver)
 CAST_ACCESSOR(JSRegExp)
 CAST_ACCESSOR(JSSet)
 CAST_ACCESSOR(JSSetIterator)
 CAST_ACCESSOR(JSStringIterator)
 CAST_ACCESSOR(JSTypedArray)
 CAST_ACCESSOR(JSValue)
 CAST_ACCESSOR(JSWeakCollection)
@@ skipping 2422 matching lines @@
 SMI_ACCESSORS(PrototypeInfo, registry_slot, kRegistrySlotOffset)
 ACCESSORS(PrototypeInfo, validity_cell, Object, kValidityCellOffset)
 SMI_ACCESSORS(PrototypeInfo, bit_field, kBitFieldOffset)
 BOOL_ACCESSORS(PrototypeInfo, bit_field, should_be_fast_map, kShouldBeFastBit)
 
 ACCESSORS(ContextExtension, scope_info, ScopeInfo, kScopeInfoOffset)
 ACCESSORS(ContextExtension, extension, Object, kExtensionOffset)
 
 ACCESSORS(JSModuleNamespace, module, Module, kModuleOffset)
 
+ACCESSORS(JSFixedArrayIterator, array, FixedArray, kArrayOffset)
+SMI_ACCESSORS(JSFixedArrayIterator, index, kIndexOffset)
+ACCESSORS(JSFixedArrayIterator, initial_next, JSFunction, kNextOffset)
+
 ACCESSORS(Module, code, Object, kCodeOffset)
 ACCESSORS(Module, exports, ObjectHashTable, kExportsOffset)
 ACCESSORS(Module, module_namespace, HeapObject, kModuleNamespaceOffset)
 ACCESSORS(Module, requested_modules, FixedArray, kRequestedModulesOffset)
 SMI_ACCESSORS(Module, flags, kFlagsOffset)
 BOOL_ACCESSORS(Module, flags, evaluated, kEvaluatedBit)
 SMI_ACCESSORS(Module, hash, kHashOffset)
 
 SharedFunctionInfo* Module::shared() const {
   return code()->IsSharedFunctionInfo() ? SharedFunctionInfo::cast(code())
@@ skipping 2603 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_