[modules] Basic support of exports

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index da161445b124baf2faf874d34ed6bf3e7de280d5..ac4cb82ad8bb5d8dcefc5bafc0ae241d9321703c 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -257,7 +257,9 @@ class Factory final {
   Handle<ScriptContextTable> NewScriptContextTable();
 
   // Create a module context.
-  Handle<Context> NewModuleContext(Handle<ScopeInfo> scope_info);
+  Handle<Context> NewModuleContext(Handle<JSModule> module,
+                                   Handle<JSFunction> function,
+                                   Handle<ScopeInfo> scope_info);
 
   // Create a function context.
   Handle<Context> NewFunctionContext(int length, Handle<JSFunction> function);
@@ -472,6 +474,8 @@ class Factory final {
 
   Handle<JSGeneratorObject> NewJSGeneratorObject(Handle<JSFunction> function);
 
+  Handle<JSModule> NewJSModule();
+
   Handle<JSArrayBuffer> NewJSArrayBuffer(
       SharedFlag shared = SharedFlag::kNotShared,
       PretenureFlag pretenure = NOT_TENURED);
@@ -556,6 +560,7 @@ class Factory final {
   // Create a serialized scope info.
   Handle<ScopeInfo> NewScopeInfo(int length);
 
+  Handle<ModuleInfoEntry> NewModuleInfoEntry();
   Handle<ModuleInfo> NewModuleInfo();
 
   // Create an External object for V8's external API.