public HoldingContainer visitFunctionHolderExpression(FunctionHolderExpression holderExpr,
ClassGenerator<?> generator) throws RuntimeException {
AbstractFuncHolder holder = (AbstractFuncHolder) holderExpr.getHolder();
JVar[] workspaceVars = holder.renderStart(generator, null);
if (holder.isNested())
generator.getMappingSet().enterChild();
HoldingContainer[] args = new HoldingContainer[holderExpr.args.size()];