AstVisitor (Partial Response: Matcher 1.1.0 API)

java.lang.Object
- com.pressassociation.pr.ast.visitor.AstVisitor

Direct Known Subclasses:

TransformingVisitor
```
public abstract class AstVisitor
extends Object
```
A visitor over an AST tree. While this class is abstract it doesn't require any methods to be implemented. The tree is traversed automatically by default, sub-classes can override this behaviour if they need to.

Author:

Matt Nathan

Constructor Summary

Constructors
Constructor Description

AstVisitor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`afterSubSelectionFields(SubSelection subSelection)`	Called after the fields part of a SubSelection is visited.
`protected boolean`	`beforeFieldsNext(Fields fields)`	Called before the right hand side of a Fields node is visited.
`protected boolean`	`beforePathField(Path path)`	Called before the suffix part of a Path node is visited.
`protected boolean`	`beforeSubSelectionFields(SubSelection subSelection)`	Called before the fields part of a SubSelection is visited.
`void`	`visitFields(Fields fields)`
`void`	`visitPath(Path path)`
`void`	`visitSubSelection(SubSelection subSelection)`
`void`	`visitWildcard(Wildcard wildcard)`
`void`	`visitWord(Word word)`

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

- Constructor Detail
  - AstVisitor
```
public AstVisitor()
```
- Method Detail
  - visitFields
```
public void visitFields(Fields fields)
```
  - beforeFieldsNext
```
protected boolean beforeFieldsNext(Fields fields)
```
    Called before the right hand side of a Fields node is visited. Return false to stop processing of that node.
  - visitPath
```
public void visitPath(Path path)
```
  - beforePathField
```
protected boolean beforePathField(Path path)
```
    Called before the suffix part of a Path node is visited. Return false to stop processing.
  - visitSubSelection
```
public void visitSubSelection(SubSelection subSelection)
```
  - beforeSubSelectionFields
```
protected boolean beforeSubSelectionFields(SubSelection subSelection)
```
    Called before the fields part of a SubSelection is visited. Return false to stop processing.
  - afterSubSelectionFields
```
protected void afterSubSelectionFields(SubSelection subSelection)
```
    Called after the fields part of a SubSelection is visited.
  - visitWildcard
```
public void visitWildcard(Wildcard wildcard)
```
  - visitWord
```
public void visitWord(Word word)
```