ache/tools/ant/types/DataType.html#dieOnCircularReference-java.util.Stack-org.apache.tools.ant.Project-">DataType</a></code></span></div>
<div class="block">Check to see whether any DataType we hold references to is
 included in the Stack (which holds all DataType instances that
 directly or indirectly reference this instance, including this
 instance itself).

 <p>If one is included, throw a BuildException created by <a href="../../../../../org/apache/tools/ant/types/DataType.html#circularReference--"><cod