[modules] Maintain array of cells for imports and local exports.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 2c3860d906ca7f297cdb87b3f346349b8d878582..35d70e6e69eb323a0759b34f9dc7caba20b6b3dd 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -8179,6 +8179,9 @@ class Module : public Struct {
   // The export table.

[adamk, 2016/11/03 18:30:45]

This comment could be further fleshed out too (e.g., what are the keys and
values?)

[neis, 2016/11/04 10:14:39]

Done.

   DECL_ACCESSORS(exports, ObjectHashTable)
 
+  DECL_ACCESSORS(regular_exports, FixedArray)

[adamk, 2016/11/03 18:30:45]

Comments for these? Especially since "exports" and "regular_exports" next to
each other is confusing without a comment.

[neis, 2016/11/04 10:14:39]

Done.

+  DECL_ACCESSORS(regular_imports, FixedArray)
+
   // Hash for this object (a random non-zero Smi).
   DECL_INT_ACCESSORS(hash)
 
@@ -8207,12 +8210,9 @@ class Module : public Struct {
   // Implementation of spec operation ModuleEvaluation.
   static MUST_USE_RESULT MaybeHandle<Object> Evaluate(Handle<Module> module);
 
-  static Handle<Object> LoadExport(Handle<Module> module, Handle<String> name);
-  static void StoreExport(Handle<Module> module, Handle<String> name,
-                          Handle<Object> value);
-
-  static Handle<Object> LoadImport(Handle<Module> module, Handle<String> name,
-                                   int module_request);
+  static Handle<Object> LoadVariable(Handle<Module> module, int index);
+  static void StoreVariable(Handle<Module> module, int index,
+                            Handle<Object> value);
 
   // Get the namespace object for [module_request] of [module].  If it doesn't
   // exist yet, it is created.
@@ -8221,7 +8221,9 @@ class Module : public Struct {
 
   static const int kCodeOffset = HeapObject::kHeaderSize;
   static const int kExportsOffset = kCodeOffset + kPointerSize;
-  static const int kHashOffset = kExportsOffset + kPointerSize;
+  static const int kRegularExportsOffset = kExportsOffset + kPointerSize;
+  static const int kRegularImportsOffset = kRegularExportsOffset + kPointerSize;
+  static const int kHashOffset = kRegularImportsOffset + kPointerSize;
   static const int kModuleNamespaceOffset = kHashOffset + kPointerSize;
   static const int kRequestedModulesOffset =
       kModuleNamespaceOffset + kPointerSize;
@@ -8230,7 +8232,8 @@ class Module : public Struct {
  private:
   enum { kEvaluatedBit };
 
-  static void CreateExport(Handle<Module> module, Handle<FixedArray> names);
+  static void CreateExport(Handle<Module> module, int index,
+                           Handle<FixedArray> names);
   static void CreateIndirectExport(Handle<Module> module, Handle<String> name,
                                    Handle<ModuleInfoEntry> entry);