bool ObjectWrapper::Key::hasOwn(JSContext* cx, JS::HandleObject o) {
bool has;
switch (_type) {
case Type::Field:
if (JS_AlreadyHasOwnProperty(cx, o, _field, &has))
return has;
break;
case Type::Index:
if (JS_AlreadyHasOwnElement(cx, o, _idx, &has))
return has;
break;
case Type::Id: {
JS::RootedId id(cx, _id);
if (JS_AlreadyHasOwnPropertyById(cx, o, id, &has))
return has;
break;
}
case Type::InternedString: {
InternedStringId id(cx, _internedString);
if (JS_AlreadyHasOwnPropertyById(cx, o, id, &has))
return has;
break;
}
}
throwCurrentJSException(cx, ErrorCodes::InternalError, "Failed to hasOwn value on a JSObject");
}
static JSObject*
CreateInterfaceObject(JSContext* cx, JSObject* global, JSObject* receiver,
JSClass* constructorClass, JSNative constructorNative,
unsigned ctorNargs, JSObject* proto,
Prefable<JSFunctionSpec>* staticMethods,
Prefable<ConstantSpec>* constants,
const char* name)
{
JSObject* constructor;
if (constructorClass) {
JSObject* functionProto = JS_GetFunctionPrototype(cx, global);
if (!functionProto) {
return NULL;
}
constructor = JS_NewObject(cx, constructorClass, functionProto, global);
} else {
MOZ_ASSERT(constructorNative);
JSFunction* fun = JS_NewFunction(cx, constructorNative, ctorNargs,
JSFUN_CONSTRUCTOR, global, name);
if (!fun) {
return NULL;
}
constructor = JS_GetFunctionObject(fun);
}
if (!constructor) {
return NULL;
}
if (staticMethods && !DefinePrefable(cx, constructor, staticMethods)) {
return NULL;
}
if (constructorClass) {
JSFunction* toString = js::DefineFunctionWithReserved(cx, constructor,
"toString",
InterfaceObjectToString,
0, 0);
if (!toString) {
return NULL;
}
JSObject* toStringObj = JS_GetFunctionObject(toString);
js::SetFunctionNativeReserved(toStringObj, TOSTRING_CLASS_RESERVED_SLOT,
PRIVATE_TO_JSVAL(constructorClass));
JSString *str = ::JS_InternString(cx, name);
if (!str) {
return NULL;
}
js::SetFunctionNativeReserved(toStringObj, TOSTRING_NAME_RESERVED_SLOT,
STRING_TO_JSVAL(str));
}
if (constants && !DefinePrefable(cx, constructor, constants)) {
return NULL;
}
if (proto && !JS_LinkConstructorAndPrototype(cx, constructor, proto)) {
return NULL;
}
JSBool alreadyDefined;
if (!JS_AlreadyHasOwnProperty(cx, receiver, name, &alreadyDefined)) {
return NULL;
}
// This is Enumerable: False per spec.
if (!alreadyDefined &&
!JS_DefineProperty(cx, receiver, name, OBJECT_TO_JSVAL(constructor), NULL,
NULL, 0)) {
return NULL;
}
return constructor;
}
