/**
  * @see parser.IDLParserVisitor#visit(ASTbase_type_spec, Object)
  * @param data the buildinfo for the scope this spec is used in
  * @return a TypeContainer for the base type
  */
 public Object visit(ASTbase_type_spec node, Object data) {
     // the child-node does the work
     return node.jjtGetChild(0).jjtAccept(this, data);
 }