private int nodeIsDirectCallParameter(Node node)
    {
        if (node.getType() == Token.GETVAR
            && inDirectCallFunction && !itsForcedObjectParameters)
        {
            int varIndex = fnCurrent.getVarIndex(node);
            if (fnCurrent.isParameter(varIndex)) {
                return varRegisters[varIndex];
            }
        }
        return -1;
    }