1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/builtin/TupleObject.h b/js/src/builtin/TupleObject.h
new file mode 100644
index 0000000000..54875b8ba9
--- /dev/null
+++ b/js/src/builtin/TupleObject.h
@@ -0,0 +1,34 @@
+/* -*- 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_TupleObject_h
+#define builtin_TupleObject_h
+
+#include "vm/NativeObject.h"
+#include "vm/TupleType.h"
+
+namespace js {
+
+[[nodiscard]] mozilla::Maybe<TupleType&> ThisTupleValue(JSContext* cx,
+                                                        HandleValue val);
+
+class TupleObject : public NativeObject {
+  enum { PrimitiveValueSlot, SlotCount };
+
+ public:
+  static const JSClass class_;
+
+  static TupleObject* create(JSContext* cx, Handle<TupleType*> tuple);
+
+  JS::TupleType& unbox() const;
+
+  static mozilla::Maybe<TupleType&> maybeUnbox(JSObject* obj);
+};
+
+bool IsTuple(JSObject& obj);
+}  // namespace js
+
+#endif