[modules] Basic support of exports

src/debug/debug-scopes.cc

Index: src/debug/debug-scopes.cc
diff --git a/src/debug/debug-scopes.cc b/src/debug/debug-scopes.cc
index 2afa8237130d2d9a0de89f5a42d60d4f0cb266ac..daa39e9e41247722f6464193850e4d1f7d216482 100644
--- a/src/debug/debug-scopes.cc
+++ b/src/debug/debug-scopes.cc
@@ -363,6 +363,7 @@ bool ScopeIterator::SetVariableValue(Handle<String> variable_name,
       return SetInnerScopeVariableValue(variable_name, new_value);
     case ScopeIterator::ScopeTypeModule:
       // TODO(2399): should we implement it?
+      // XXX
       break;
   }
   return false;
@@ -617,6 +618,8 @@ MaybeHandle<JSObject> ScopeIterator::MaterializeModuleScope() {
   // Fill all context locals.
   CopyContextLocalsToScopeObject(scope_info, context, module_scope);
 
+  // XXX stack locals. maybe even imports/exports?
+
   return module_scope;
 }