From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/builtin/WrappedFunctionObject.h | 43 ++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 js/src/builtin/WrappedFunctionObject.h (limited to 'js/src/builtin/WrappedFunctionObject.h') diff --git a/js/src/builtin/WrappedFunctionObject.h b/js/src/builtin/WrappedFunctionObject.h new file mode 100644 index 0000000000..076f4f2b4d --- /dev/null +++ b/js/src/builtin/WrappedFunctionObject.h @@ -0,0 +1,43 @@ +/* -*- 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_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 +// https://tc39.es/proposal-shadowrealm/#sec-wrapped-function-exotic-objects +// +// These are produced as callables are passed across ShadowRealm boundaries, +// preventing functions from piercing the shadow realm barrier. +class WrappedFunctionObject : public NativeObject { + public: + 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 target, MutableHandle res); + +bool GetWrappedValue(JSContext* cx, Realm* callerRealm, Handle value, + MutableHandle res); + +} // namespace js + +#endif -- cgit v1.2.3