gistfile1.txt

}
ivar_getTypeEncoding.displayName = "ivar_getTypeEncoding";
objj_msgSend = function( aReceiver, aSelector)
{
    if (aReceiver == nil)
        return nil;
    var isa = aReceiver.isa;
    if (!((((isa.info & (CLS_META))) ? isa : isa.isa).info & (CLS_INITIALIZED))) _class_initialize(isa); var method = isa.method_dtable[aSelector]; var implementation = method ? method.method_imp : _objj_forward;;
    switch(arguments.length)
    {
        case 2: return implementation(aReceiver, aSelector);
        case 3: return implementation(aReceiver, aSelector, arguments[2]);
        case 4: return implementation(aReceiver, aSelector, arguments[2], arguments[3]);
    }
    return implementation.apply(aReceiver, arguments);
}

Getting invalid arg on the "case 3" line.