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/* -*- 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 */
#ifndef builtin_WrappedFunctionObject_h
#define builtin_WrappedFunctionObject_h
#include "js/Value.h"
#include "vm/NativeObject.h"
namespace js {
// Implementing Wrapped Function Exotic Objects from the ShadowRealms proposal
// These are produced as callables are passed across ShadowRealm boundaries,
// preventing functions from piercing the shadow realm barrier.
class WrappedFunctionObject : public NativeObject {
static const JSClass class_;
enum { WrappedTargetFunctionSlot, SlotCount };
JSObject* getTargetFunction() const {
return &getFixedSlot(WrappedTargetFunctionSlot).toObject();
void setTargetFunction(JSObject& obj) {
setFixedSlot(WrappedTargetFunctionSlot, ObjectValue(obj));
bool WrappedFunctionCreate(JSContext* cx, Realm* callerRealm,
Handle<JSObject*> target, MutableHandle<Value> res);
bool GetWrappedValue(JSContext* cx, Realm* callerRealm, Handle<Value> value,
MutableHandle<Value> res);
} // namespace js