ExpansionTreeWalker

java.lang.Object
- org.javacc.parser.ExpansionTreeWalker

```
final class ExpansionTreeWalker
extends java.lang.Object
```
A set of routines that walk down the Expansion tree in various ways.

Constructor Summary

Constructors
Modifier Constructor Description

private ExpansionTreeWalker()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static void`	`postOrderWalk(Expansion node, TreeWalkerOp opObj)`	Visits the nodes of the tree rooted at "node" in post-order.
`(package private) static void`	`preOrderWalk(Expansion node, TreeWalkerOp opObj)`	Visits the nodes of the tree rooted at "node" in pre-order.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpansionTreeWalker
```
private ExpansionTreeWalker()
```
- Method Detail
  - preOrderWalk
```
static void preOrderWalk(Expansion node,
                         TreeWalkerOp opObj)
```
    Visits the nodes of the tree rooted at "node" in pre-order. i.e., it executes opObj.action first and then visits the children.
  - postOrderWalk
```
static void postOrderWalk(Expansion node,
                          TreeWalkerOp opObj)
```
    Visits the nodes of the tree rooted at "node" in post-order. i.e., it visits the children first and then executes opObj.action.