ParseTree (antlr Javadoc)

java.lang.Object
- antlr.BaseAST
- - antlr.ParseTree

All Implemented Interfaces:

AST, java.io.Serializable

Direct Known Subclasses:

ParseTreeRule, ParseTreeToken
```
public abstract class ParseTree
extends BaseAST
```
See Also:

Serialized Form

Field Summary
- Fields inherited from class antlr.BaseAST
  down, right

Constructor Summary

Constructors
Constructor Description

ParseTree()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getLeftmostDerivation(int maxSteps)`
`protected abstract int`	`getLeftmostDerivation(java.lang.StringBuffer buf, int step)`	Get derivation and return how many you did (less than requested for subtree roots.
`java.lang.String`	`getLeftmostDerivationStep(int step)`	Walk parse tree and return requested number of derivation steps.
`void`	`initialize(int i, java.lang.String s)`
`void`	`initialize(AST ast)`
`void`	`initialize(Token token)`

Methods inherited from class antlr.BaseAST
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getColumn, getFirstChild, getLine, getNextSibling, getNumberOfChildren, getText, getTokenNames, getType, removeChildren, setFirstChild, setNextSibling, setText, setType, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

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

- Constructor Detail
  - ParseTree
```
public ParseTree()
```
- Method Detail
  - getLeftmostDerivationStep
```
public java.lang.String getLeftmostDerivationStep(int step)
```
    Walk parse tree and return requested number of derivation steps. If steps <= 0, return node text. If steps == 1, return derivation string at step.
  - getLeftmostDerivation
```
public java.lang.String getLeftmostDerivation(int maxSteps)
```
  - getLeftmostDerivation
```
protected abstract int getLeftmostDerivation(java.lang.StringBuffer buf,
                                             int step)
```
    Get derivation and return how many you did (less than requested for subtree roots.
  - initialize
```
public void initialize(int i,
                       java.lang.String s)
```
    Specified by:
    
    initialize in interface AST
    
    Specified by:
    
    initialize in class BaseAST
  - initialize
```
public void initialize(AST ast)
```
    Specified by:
    
    initialize in interface AST
    
    Specified by:
    
    initialize in class BaseAST
  - initialize
```
public void initialize(Token token)
```
    Specified by:
    
    initialize in interface AST
    
    Specified by:
    
    initialize in class BaseAST