1 files changed, 152 insertions, 0 deletions
diff --git a/js/src/proxy/OpaqueCrossCompartmentWrapper.cpp b/js/src/proxy/OpaqueCrossCompartmentWrapper.cpp
new file mode 100644
index 0000000000..f809937d3f
--- /dev/null
+++ b/js/src/proxy/OpaqueCrossCompartmentWrapper.cpp
@@ -0,0 +1,152 @@
+/* -*- 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/. */
+
+#include "js/friend/ErrorMessages.h"  // js::GetErrorMessage, JSMSG_*
+#include "js/Wrapper.h"
+#include "vm/WellKnownAtom.h"  // js_*_str
+
+#include "vm/JSObject-inl.h"
+
+using namespace js;
+
+bool OpaqueCrossCompartmentWrapper::getOwnPropertyDescriptor(
+    JSContext* cx, HandleObject wrapper, HandleId id,
+    MutableHandle<mozilla::Maybe<PropertyDescriptor>> desc) const {
+  desc.reset();
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::defineProperty(
+    JSContext* cx, HandleObject wrapper, HandleId id,
+    Handle<PropertyDescriptor> desc, ObjectOpResult& result) const {
+  return result.succeed();
+}
+
+bool OpaqueCrossCompartmentWrapper::ownPropertyKeys(
+    JSContext* cx, HandleObject wrapper, MutableHandleIdVector props) const {
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::delete_(JSContext* cx, HandleObject wrapper,
+                                            HandleId id,
+                                            ObjectOpResult& result) const {
+  return result.succeed();
+}
+
+bool OpaqueCrossCompartmentWrapper::enumerate(
+    JSContext* cx, HandleObject proxy, MutableHandleIdVector props) const {
+  return BaseProxyHandler::enumerate(cx, proxy, props);
+}
+
+bool OpaqueCrossCompartmentWrapper::getPrototype(
+    JSContext* cx, HandleObject proxy, MutableHandleObject protop) const {
+  protop.set(nullptr);
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::setPrototype(JSContext* cx,
+                                                 HandleObject proxy,
+                                                 HandleObject proto,
+                                                 ObjectOpResult& result) const {
+  return result.succeed();
+}
+
+bool OpaqueCrossCompartmentWrapper::getPrototypeIfOrdinary(
+    JSContext* cx, HandleObject proxy, bool* isOrdinary,
+    MutableHandleObject protop) const {
+  *isOrdinary = false;
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::setImmutablePrototype(
+    JSContext* cx, HandleObject proxy, bool* succeeded) const {
+  *succeeded = false;
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::preventExtensions(
+    JSContext* cx, HandleObject wrapper, ObjectOpResult& result) const {
+  return result.failCantPreventExtensions();
+}
+
+bool OpaqueCrossCompartmentWrapper::isExtensible(JSContext* cx,
+                                                 HandleObject wrapper,
+                                                 bool* extensible) const {
+  *extensible = true;
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::has(JSContext* cx, HandleObject wrapper,
+                                        HandleId id, bool* bp) const {
+  return BaseProxyHandler::has(cx, wrapper, id, bp);
+}
+
+bool OpaqueCrossCompartmentWrapper::get(JSContext* cx, HandleObject wrapper,
+                                        HandleValue receiver, HandleId id,
+                                        MutableHandleValue vp) const {
+  return BaseProxyHandler::get(cx, wrapper, receiver, id, vp);
+}
+
+bool OpaqueCrossCompartmentWrapper::set(JSContext* cx, HandleObject wrapper,
+                                        HandleId id, HandleValue v,
+                                        HandleValue receiver,
+                                        ObjectOpResult& result) const {
+  return BaseProxyHandler::set(cx, wrapper, id, v, receiver, result);
+}
+
+bool OpaqueCrossCompartmentWrapper::call(JSContext* cx, HandleObject wrapper,
+                                         const CallArgs& args) const {
+  RootedValue v(cx, ObjectValue(*wrapper));
+  ReportIsNotFunction(cx, v);
+  return false;
+}
+
+bool OpaqueCrossCompartmentWrapper::construct(JSContext* cx,
+                                              HandleObject wrapper,
+                                              const CallArgs& args) const {
+  RootedValue v(cx, ObjectValue(*wrapper));
+  ReportIsNotFunction(cx, v);
+  return false;
+}
+
+bool OpaqueCrossCompartmentWrapper::hasOwn(JSContext* cx, HandleObject wrapper,
+                                           HandleId id, bool* bp) const {
+  return BaseProxyHandler::hasOwn(cx, wrapper, id, bp);
+}
+
+bool OpaqueCrossCompartmentWrapper::getOwnEnumerablePropertyKeys(
+    JSContext* cx, HandleObject wrapper, MutableHandleIdVector props) const {
+  return BaseProxyHandler::getOwnEnumerablePropertyKeys(cx, wrapper, props);
+}
+
+bool OpaqueCrossCompartmentWrapper::getBuiltinClass(JSContext* cx,
+                                                    HandleObject wrapper,
+                                                    ESClass* cls) const {
+  *cls = ESClass::Other;
+  return true;
+}
+
+bool OpaqueCrossCompartmentWrapper::isArray(JSContext* cx, HandleObject obj,
+                                            JS::IsArrayAnswer* answer) const {
+  *answer = JS::IsArrayAnswer::NotArray;
+  return true;
+}
+
+const char* OpaqueCrossCompartmentWrapper::className(JSContext* cx,
+                                                     HandleObject proxy) const {
+  return "Opaque";
+}
+
+JSString* OpaqueCrossCompartmentWrapper::fun_toString(JSContext* cx,
+                                                      HandleObject proxy,
+                                                      bool isToSource) const {
+  JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
+                            JSMSG_INCOMPATIBLE_PROTO, js_Function_str,
+                            js_toString_str, "object");
+  return nullptr;
+}
+
+const OpaqueCrossCompartmentWrapper OpaqueCrossCompartmentWrapper::singleton;