}

  @Override
  public void init(RuntimeServices rs, InternalContextAdapter context, Node node) {
    super.init(rs, context, node);
    final int n = node.jjtGetNumChildren() - 1;
    for (int i = 1; i < n; i++) {
      Node child = node.jjtGetChild(i);
      if (i == 1) {
        if (child.getType() == StandardParserTreeConstants.JJTREFERENCE) {
          this.var = ((ASTReference) child).getRootString();
        } else {
          throw new TemplateInitException("Syntax error", getTemplateName(), getLine(), getColumn());
        }
      } else if (child.getType() == StandardParserTreeConstants.JJTSTRINGLITERAL) {
        String value = (String) ((ASTStringLiteral) child).value(context);

foreach.hasNext = iterator.hasNext();

      try {
        if (value == null) {
          if (nullHolderContext == null) {
            nullHolderContext = new NullHolderContext(this.var, context);
          }
          node.jjtGetChild(node.jjtGetNumChildren() - 1).render(nullHolderContext, buffer);
        } else {
          node.jjtGetChild(node.jjtGetNumChildren() - 1).render(context, buffer);
        }
      } catch (StopCommand stop) {
        if (stop.isFor(this)) {
          break;
        }
        clean(context, o, collector, savedItemKey);
        // close does not perform any action and this is here
        // to avoid eclipse reporting possible leak.
        buffer.close();
        throw stop;
      }
      counter++;