Rename Interface to ModuleDescriptor

src/modules.cc

Index: src/modules.cc
diff --git a/src/modules.cc b/src/modules.cc
new file mode 100644
index 0000000000000000000000000000000000000000..eb01cf08e49bc9e6714f5a3ce725fce108f8d3f2
--- /dev/null
+++ b/src/modules.cc
@@ -0,0 +1,38 @@
+// 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.
+
+#include "src/v8.h"
+
+#include "src/modules.h"
+
+#include "src/ast-value-factory.h"
+
+namespace v8 {
+namespace internal {
+
+// ---------------------------------------------------------------------------
+// Addition.
+
+void ModuleDescriptor::Add(const AstRawString* name, Zone* zone, bool* ok) {
+  void* key = const_cast<AstRawString*>(name);
+
+  ZoneHashMap** map = &exports_;
+  ZoneAllocationPolicy allocator(zone);
+
+  if (*map == nullptr) {
+    *map = new (zone->New(sizeof(ZoneHashMap)))
+        ZoneHashMap(ZoneHashMap::PointersMatch,
+                    ZoneHashMap::kDefaultHashMapCapacity, allocator);
+  }
+
+  ZoneHashMap::Entry* p =
+      (*map)->Lookup(key, name->hash(), !IsFrozen(), allocator);
+  if (p == nullptr || p->value != nullptr) {
+    *ok = false;
+  }
+
+  p->value = key;
+}
+}
+}  // namespace v8::internal