Class TreeIterator

java.lang.Object
org.antlr.runtime.tree.TreeIterator
All Implemented Interfaces:
Iterator<Object>
public class TreeIterator extends Object implements Iterator<Object>
Return a node stream from a doubly-linked tree whose nodes know what child index they are. No remove() is supported. Emit navigation nodes (DOWN, UP, and EOF) to let show tree structure.

  • Field Details

    • adaptor

      protected TreeAdaptor adaptor

    • root

      protected Object root

    • tree

      protected Object tree

    • firstTime

      protected boolean firstTime

    • up

      public Object up

    • down

      public Object down

    • eof

      public Object eof

    • nodes

      protected FastQueue<Object> nodes
      If we emit UP/DOWN nodes, we need to spit out multiple nodes per next() call.

  • Constructor Details

    • TreeIterator

      public TreeIterator(Object tree)

    • TreeIterator

      public TreeIterator(TreeAdaptor adaptor, Object tree)

  • Method Details