1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2  * vim: set ts=8 sts=2 et sw=2 tw=80:
3  * This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef builtin_TupleObject_h
8 #define builtin_TupleObject_h
9 
10 #include "vm/NativeObject.h"
11 #include "vm/TupleType.h"
12 
13 namespace js {
14 
15 [[nodiscard]] mozilla::Maybe<TupleType&> ThisTupleValue(JSContext* cx,
16                                                         HandleValue val);
17 
18 class TupleObject : public NativeObject {
19   enum { PrimitiveValueSlot, SlotCount };
20 
21  public:
22   static const JSClass class_;
23 
24   static TupleObject* create(JSContext* cx, Handle<TupleType*> tuple);
25 
26   JS::TupleType& unbox() const;
27 
28   static mozilla::Maybe<TupleType&> maybeUnbox(JSObject* obj);
29 };
30 
31 bool IsTuple(JSObject& obj);
32 }  // namespace js
33 
34 #endif
35