[modules] Implement namespace imports.

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 3261 matching lines @@
 CAST_ACCESSOR(JSBoundFunction)
 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(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 2413 matching lines @@
 ACCESSORS(PrototypeInfo, prototype_users, Object, kPrototypeUsersOffset)
 ACCESSORS(PrototypeInfo, object_create_map, Object, kObjectCreateMap)
 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(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)
 ACCESSORS(Module, embedder_data, Object, kEmbedderDataOffset)
 
 SharedFunctionInfo* Module::shared() const {
   return code()->IsSharedFunctionInfo() ? SharedFunctionInfo::cast(code())
                                         : JSFunction::cast(code())->shared();
 }
 
@@ skipping 940 matching lines @@
 }
 
 bool JSGeneratorObject::is_closed() const {
   return continuation() == kGeneratorClosed;
 }
 
 bool JSGeneratorObject::is_executing() const {
   return continuation() == kGeneratorExecuting;
 }
 
+TYPE_CHECKER(JSModuleNamespace, JS_MODULE_NAMESPACE_TYPE)
+
 ACCESSORS(JSValue, value, Object, kValueOffset)
 
 
 HeapNumber* HeapNumber::cast(Object* object) {
   SLOW_DCHECK(object->IsHeapNumber() || object->IsMutableHeapNumber());
   return reinterpret_cast<HeapNumber*>(object);
 }
 
 
 const HeapNumber* HeapNumber::cast(const Object* object) {
@@ skipping 1632 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_