1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/builtin/ShadowRealm.h b/js/src/builtin/ShadowRealm.h
new file mode 100644
index 0000000000..cdf7c034db
--- /dev/null
+++ b/js/src/builtin/ShadowRealm.h
@@ -0,0 +1,38 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef builtin_ShadowRealm_h
+#define builtin_ShadowRealm_h
+
+#include "vm/NativeObject.h"
+
+namespace js {
+
+class ShadowRealmObject : public NativeObject {
+ public:
+  static const JSClass class_;
+  static const JSClass protoClass_;
+
+  enum { GlobalSlot, SlotCount };
+
+  static bool construct(JSContext* cx, unsigned argc, Value* vp);
+
+  Realm* getShadowRealm() {
+    MOZ_ASSERT(getWrappedGlobal());
+    return getWrappedGlobal()->nonCCWRealm();
+  }
+
+  JSObject* getWrappedGlobal() const {
+    return &getFixedSlot(GlobalSlot).toObject();
+  }
+};
+
+void ReportPotentiallyDetailedMessage(JSContext* cx,
+                                      const unsigned detailedError,
+                                      const unsigned genericError);
+}  // namespace js
+
+#endif