import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

js/xpconnect/wrappers/WaiveXrayWrapper.cpp

@@ -0,0 +1,105 @@
+/* -*- 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/. */
+
+#include "WaiveXrayWrapper.h"
+#include "WrapperFactory.h"
+#include "jsapi.h"
+
+using namespace JS;
+
+namespace xpc {
+
+static bool
+WaiveAccessors(JSContext* cx, MutableHandle<PropertyDescriptor> desc)
+{
+    if (desc.hasGetterObject() && desc.getterObject()) {
+        RootedValue v(cx, JS::ObjectValue(*desc.getterObject()));
+        if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))
+            return false;
+        desc.setGetterObject(&v.toObject());
+    }
+
+    if (desc.hasSetterObject() && desc.setterObject()) {
+        RootedValue v(cx, JS::ObjectValue(*desc.setterObject()));
+        if (!WrapperFactory::WaiveXrayAndWrap(cx, &v))
+            return false;
+        desc.setSetterObject(&v.toObject());
+    }
+    return true;
+}
+
+bool
+WaiveXrayWrapper::getPropertyDescriptor(JSContext* cx, HandleObject wrapper, HandleId id,
+                                        MutableHandle<PropertyDescriptor> desc) const
+{
+    return CrossCompartmentWrapper::getPropertyDescriptor(cx, wrapper, id, desc) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);
+}
+
+bool
+WaiveXrayWrapper::getOwnPropertyDescriptor(JSContext* cx, HandleObject wrapper, HandleId id,
+                                           MutableHandle<PropertyDescriptor> desc) const
+{
+    return CrossCompartmentWrapper::getOwnPropertyDescriptor(cx, wrapper, id, desc) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, desc.value()) && WaiveAccessors(cx, desc);
+}
+
+bool
+WaiveXrayWrapper::get(JSContext* cx, HandleObject wrapper, HandleValue receiver, HandleId id,
+                      MutableHandleValue vp) const
+{
+    return CrossCompartmentWrapper::get(cx, wrapper, receiver, id, vp) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, vp);
+}
+
+bool
+WaiveXrayWrapper::enumerate(JSContext* cx, HandleObject proxy,
+                            MutableHandleObject objp) const
+{
+    return CrossCompartmentWrapper::enumerate(cx, proxy, objp) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, objp);
+}
+
+bool
+WaiveXrayWrapper::call(JSContext* cx, HandleObject wrapper, const JS::CallArgs& args) const
+{
+    return CrossCompartmentWrapper::call(cx, wrapper, args) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
+}
+
+bool
+WaiveXrayWrapper::construct(JSContext* cx, HandleObject wrapper, const JS::CallArgs& args) const
+{
+    return CrossCompartmentWrapper::construct(cx, wrapper, args) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
+}
+
+// NB: This is important as the other side of a handshake with FieldGetter. See
+// nsXBLProtoImplField.cpp.
+bool
+WaiveXrayWrapper::nativeCall(JSContext* cx, JS::IsAcceptableThis test,
+                             JS::NativeImpl impl, const JS::CallArgs& args) const
+{
+    return CrossCompartmentWrapper::nativeCall(cx, test, impl, args) &&
+           WrapperFactory::WaiveXrayAndWrap(cx, args.rval());
+}
+
+bool
+WaiveXrayWrapper::getPrototype(JSContext* cx, HandleObject wrapper, MutableHandleObject protop) const
+{
+    return CrossCompartmentWrapper::getPrototype(cx, wrapper, protop) &&
+           (!protop || WrapperFactory::WaiveXrayAndWrap(cx, protop));
+}
+
+bool
+WaiveXrayWrapper::getPrototypeIfOrdinary(JSContext* cx, HandleObject wrapper, bool* isOrdinary,
+                                         MutableHandleObject protop) const
+{
+    return CrossCompartmentWrapper::getPrototypeIfOrdinary(cx, wrapper, isOrdinary, protop) &&
+           (!protop || WrapperFactory::WaiveXrayAndWrap(cx, protop));
+}
+
+} // namespace xpc