persistence.antlr

Class ASTPair

java.lang.Object

persistence.antlr.ASTPair

public class ASTPair
extends java.lang.Object

ASTPair: utility class used for manipulating a pair of ASTs representing the current AST root and current AST sibling. This exists to compensate for the lack of pointers or 'var' arguments in Java.

Field Summary

Fields

Modifier and Type	Field and Description
persistence.antlr.collections.AST	child
persistence.antlr.collections.AST	root

Constructor Summary

Constructors

Constructor and Description
ASTPair()

Method Summary

Methods

Modifier and Type	Method and Description
void	advanceChildToEnd() Make sure that child is the last sibling
ASTPair	copy() Copy an ASTPair.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

root

public persistence.antlr.collections.AST root

child

public persistence.antlr.collections.AST child

Constructor Detail

ASTPair

public ASTPair()

Method Detail

advanceChildToEnd

public final void advanceChildToEnd()

Make sure that child is the last sibling

copy

public ASTPair copy()

Copy an ASTPair. Don't call it clone() because we want type-safety

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object