bool JSCompartment::wrap(JSContext* cx, MutableHandle<PropertyDescriptor> desc) { if (!wrap(cx, desc.object())) return false; if (desc.hasGetterObject()) { if (!wrap(cx, desc.getterObject())) return false; } if (desc.hasSetterObject()) { if (!wrap(cx, desc.setterObject())) return false; } return wrap(cx, desc.value()); }
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 DOMProxyHandler::defineProperty(JSContext* cx, JS::Handle<JSObject*> proxy, JS::Handle<jsid> id, MutableHandle<JSPropertyDescriptor> desc, bool* defined) { if (desc.hasGetterObject() && desc.setter() == JS_StrictPropertyStub) { return JS_ReportErrorFlagsAndNumber(cx, JSREPORT_WARNING | JSREPORT_STRICT | JSREPORT_STRICT_MODE_ERROR, js_GetErrorMessage, NULL, JSMSG_GETTER_ONLY); } if (xpc::WrapperFactory::IsXrayWrapper(proxy)) { return true; } JSObject* expando = EnsureExpandoObject(cx, proxy); if (!expando) { return false; } bool dummy; return js_DefineOwnProperty(cx, expando, id, desc, &dummy); }
bool js::SetPropertyIgnoringNamedGetter(JSContext *cx, const BaseProxyHandler *handler, HandleObject proxy, HandleObject receiver, HandleId id, MutableHandle<PropertyDescriptor> desc, bool descIsOwn, bool strict, MutableHandleValue vp) { /* The control-flow here differs from ::get() because of the fall-through case below. */ if (descIsOwn) { MOZ_ASSERT(desc.object()); // Check for read-only properties. if (desc.isReadonly()) return strict ? Throw(cx, id, JSMSG_READ_ONLY) : true; if (!desc.setter()) { // Be wary of the odd explicit undefined setter case possible through // Object.defineProperty. if (!desc.hasSetterObject()) desc.setSetter(JS_StrictPropertyStub); } else if (desc.hasSetterObject() || desc.setter() != JS_StrictPropertyStub) { if (!CallSetter(cx, receiver, id, desc.setter(), desc.attributes(), strict, vp)) return false; if (!proxy->is<ProxyObject>() || proxy->as<ProxyObject>().handler() != handler) return true; if (desc.isShared()) return true; } if (!desc.getter()) { // Same as above for the null setter case. if (!desc.hasGetterObject()) desc.setGetter(JS_PropertyStub); } desc.value().set(vp.get()); return handler->defineProperty(cx, receiver, id, desc); } if (desc.object()) { // Check for read-only properties. if (desc.isReadonly()) return strict ? Throw(cx, id, JSMSG_CANT_REDEFINE_PROP) : true; if (!desc.setter()) { // Be wary of the odd explicit undefined setter case possible through // Object.defineProperty. if (!desc.hasSetterObject()) desc.setSetter(JS_StrictPropertyStub); } else if (desc.hasSetterObject() || desc.setter() != JS_StrictPropertyStub) { if (!CallSetter(cx, receiver, id, desc.setter(), desc.attributes(), strict, vp)) return false; if (!proxy->is<ProxyObject>() || proxy->as<ProxyObject>().handler() != handler) return true; if (desc.isShared()) return true; } if (!desc.getter()) { // Same as above for the null setter case. if (!desc.hasGetterObject()) desc.setGetter(JS_PropertyStub); } desc.value().set(vp.get()); return JSObject::defineGeneric(cx, receiver, id, desc.value(), desc.getter(), desc.setter(), desc.attributes()); } desc.object().set(receiver); desc.value().set(vp.get()); desc.setAttributes(JSPROP_ENUMERATE); desc.setGetter(nullptr); desc.setSetter(nullptr); // Pick up the class getter/setter. return JSObject::defineGeneric(cx, receiver, id, desc.value(), nullptr, nullptr, JSPROP_ENUMERATE); }