}
public Object visit(ASTHas node, Object data)
{
Node n = node.jjtGetChild(0);
if (n instanceof ASTMethod)
{
if (clazz != null) return new Boolean(Util.has(clazz, (ASTMethod) n, advisor));
if (ctClass != null) return new Boolean(Util.has(ctClass, (ASTMethod) n, advisor));
}