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
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. */
MOZ_ASSERT_IF(descIsOwn, desc.object());
if (desc.object()) {
MOZ_ASSERT(desc.getter() != JS_PropertyStub);
MOZ_ASSERT(desc.setter() != JS_StrictPropertyStub);
// Check for read-only properties.
if (desc.isReadonly()) {
if (strict)
return Throw(cx, id, descIsOwn ? JSMSG_READ_ONLY : JSMSG_CANT_REDEFINE_PROP);
return true;
}
if (desc.hasSetterObject() || desc.setter()) {
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;
}
desc.value().set(vp.get());
if (descIsOwn) {
MOZ_ASSERT(desc.object() == proxy);
return handler->defineProperty(cx, proxy, id, desc);
}
return DefineProperty(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 DefineProperty(cx, receiver, id, desc.value(), nullptr, nullptr, JSPROP_ENUMERATE);
}
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);
}
