/*
* Replace the regexp internals of |obj| with |newRegExp|.
* Decref the replaced regexp internals.
* Note that the refcount of |newRegExp| is unchanged.
*/
static void
SwapObjectRegExp(JSContext *cx, JSObject *obj, AlreadyIncRefed<RegExp> newRegExp)
{
RegExp *oldRegExp = RegExp::extractFrom(obj);
#ifdef DEBUG
if (oldRegExp)
assertSameCompartment(cx, obj, oldRegExp->compartment);
assertSameCompartment(cx, obj, newRegExp->compartment);
#endif
/*
* |obj| isn't a new regular expression, so it won't fail due to failing to
* define the initial set of properties.
*/
JS_ALWAYS_TRUE(obj->initRegExp(cx, newRegExp.get()));
if (oldRegExp)
oldRegExp->decref(cx);
}
