[modules] Add a requested_modules field to Module

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/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1687 matching lines @@
   DCHECK(function->shared()->is_resumable());
   JSFunction::EnsureHasInitialMap(function);
   Handle<Map> map(function->initial_map());
   DCHECK_EQ(JS_GENERATOR_OBJECT_TYPE, map->instance_type());
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSObjectFromMap(*map),
       JSGeneratorObject);
 }
 
-Handle<Module> Factory::NewModule(Handle<SharedFunctionInfo> code,
-                                  int min_size) {
-  Handle<ObjectHashTable> exports = ObjectHashTable::New(isolate(), min_size);
+Handle<Module> Factory::NewModule(Handle<SharedFunctionInfo> code) {
+  Handle<ModuleInfo> module_info(code->scope_info()->ModuleDescriptorInfo(),
+                                 isolate());
+  Handle<ObjectHashTable> exports =
+      ObjectHashTable::New(isolate(), module_info->regular_exports()->length());
+  int requested_modules_length = module_info->module_requests()->length();
+  Handle<FixedArray> requested_modules =
+      requested_modules_length > 0 ? NewFixedArray(requested_modules_length)
+                                   : empty_fixed_array();
+
   Handle<Module> module = Handle<Module>::cast(NewStruct(MODULE_TYPE));
   module->set_code(*code);
   module->set_exports(*exports);
+  module->set_requested_modules(*requested_modules);
   return module;
 }
 
 Handle<JSArrayBuffer> Factory::NewJSArrayBuffer(SharedFlag shared,
                                                 PretenureFlag pretenure) {
   Handle<JSFunction> array_buffer_fun(
       shared == SharedFlag::kShared
           ? isolate()->native_context()->shared_array_buffer_fun()
           : isolate()->native_context()->array_buffer_fun());
   CALL_HEAP_FUNCTION(isolate(), isolate()->heap()->AllocateJSObject(
@@ skipping 810 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), attribs);
     AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())),
                                  prototype, attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8