1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/proxy/DeadObjectProxy.h b/js/src/proxy/DeadObjectProxy.h
new file mode 100644
index 000000000..032b3ce38
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+++ b/js/src/proxy/DeadObjectProxy.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * 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 proxy_DeadObjectProxy_h
+#define proxy_DeadObjectProxy_h
+
+#include "js/Proxy.h"
+
+namespace js {
+
+class DeadObjectProxy : public BaseProxyHandler
+{
+  public:
+    explicit constexpr DeadObjectProxy()
+      : BaseProxyHandler(&family)
+    { }
+
+    /* Standard internal methods. */
+    virtual bool getOwnPropertyDescriptor(JSContext* cx, HandleObject wrapper, HandleId id,
+                                          MutableHandle<PropertyDescriptor> desc) const override;
+    virtual bool defineProperty(JSContext* cx, HandleObject wrapper, HandleId id,
+                                Handle<PropertyDescriptor> desc,
+                                ObjectOpResult& result) const override;
+    virtual bool ownPropertyKeys(JSContext* cx, HandleObject wrapper,
+                                 AutoIdVector& props) const override;
+    virtual bool delete_(JSContext* cx, HandleObject wrapper, HandleId id,
+                         ObjectOpResult& result) const override;
+    virtual bool getPrototype(JSContext* cx, HandleObject proxy,
+                              MutableHandleObject protop) const override;
+    virtual bool getPrototypeIfOrdinary(JSContext* cx, HandleObject proxy, bool* isOrdinary,
+                                        MutableHandleObject protop) const override;
+    virtual bool preventExtensions(JSContext* cx, HandleObject proxy,
+                                   ObjectOpResult& result) const override;
+    virtual bool isExtensible(JSContext* cx, HandleObject proxy, bool* extensible) const override;
+    virtual bool call(JSContext* cx, HandleObject proxy, const CallArgs& args) const override;
+    virtual bool construct(JSContext* cx, HandleObject proxy, const CallArgs& args) const override;
+
+    /* SpiderMonkey extensions. */
+    // BaseProxyHandler::getPropertyDescriptor will throw by calling getOwnPropertyDescriptor.
+    // BaseProxyHandler::enumerate will throw by calling ownKeys.
+    virtual bool nativeCall(JSContext* cx, IsAcceptableThis test, NativeImpl impl,
+                            const CallArgs& args) const override;
+    virtual bool hasInstance(JSContext* cx, HandleObject proxy, MutableHandleValue v,
+                             bool* bp) const override;
+    virtual bool getBuiltinClass(JSContext* cx, HandleObject proxy, ESClass* cls) const override;
+    virtual bool isArray(JSContext* cx, HandleObject proxy, JS::IsArrayAnswer* answer) const override;
+    virtual const char* className(JSContext* cx, HandleObject proxy) const override;
+    virtual JSString* fun_toString(JSContext* cx, HandleObject proxy, unsigned indent) const override;
+    virtual bool regexp_toShared(JSContext* cx, HandleObject proxy, RegExpGuard* g) const override;
+
+    virtual bool isCallable(JSObject* obj) const override;
+    virtual bool isConstructor(JSObject* obj) const override;
+
+    static const char family;
+    static const DeadObjectProxy singleton;
+};
+
+bool
+IsDeadProxyObject(JSObject* obj);
+
+} /* namespace js */
+
+#endif /* proxy_DeadObjectProxy_h */