bool
js::ProxySetProperty(JSContext* cx, HandleObject proxy, HandleId id, HandleValue val, bool strict)
{
ObjectOpResult result;
RootedValue receiver(cx, ObjectValue(*proxy));
if (!Proxy::setInternal(cx, proxy, id, val, receiver, result))
return false;
return result.checkStrictErrorOrWarning(cx, proxy, id, strict);
}
bool
SetProperty(JSContext* cx, HandleObject obj, HandlePropertyName name, HandleValue value,
bool strict, jsbytecode* pc)
{
RootedId id(cx, NameToId(name));
JSOp op = JSOp(*pc);
if (op == JSOP_SETALIASEDVAR) {
// Aliased var assigns ignore readonly attributes on the property, as
// required for initializing 'const' closure variables.
Shape* shape = obj->as<NativeObject>().lookup(cx, name);
MOZ_ASSERT(shape && shape->hasSlot());
obj->as<NativeObject>().setSlotWithType(cx, shape, value);
return true;
}
RootedValue receiver(cx, ObjectValue(*obj));
ObjectOpResult result;
if (MOZ_LIKELY(!obj->getOps()->setProperty)) {
if (!NativeSetProperty(
cx, obj.as<NativeObject>(), id, value, receiver,
(op == JSOP_SETNAME || op == JSOP_STRICTSETNAME ||
op == JSOP_SETGNAME || op == JSOP_STRICTSETGNAME)
? Unqualified
: Qualified,
result))
{
return false;
}
} else {
if (!SetProperty(cx, obj, id, value, receiver, result))
return false;
}
return result.checkStrictErrorOrWarning(cx, obj, id, strict);
}