TreeWalkerOp

All Known Implementing Classes:

Semanticize.EmptyChecker, Semanticize.FixRJustNames, Semanticize.LookaheadChecker, Semanticize.LookaheadFixer, Semanticize.ProductionDefinedChecker
```
interface TreeWalkerOp
```
Objects of this type are passed to the tree walker routines in ExpansionTreeWalker.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`action(Expansion e)`	When a node is visited, this method is invoked with the node as parameter.
`boolean`	`goDeeper(Expansion e)`	When called at a particular node, this specifies to the tree walker if it should visit more nodes under this node.

- Method Detail
  - goDeeper
```
boolean goDeeper(Expansion e)
```
    When called at a particular node, this specifies to the tree walker if it should visit more nodes under this node.
  - action
```
void action(Expansion e)
```
    When a node is visited, this method is invoked with the node as parameter.