Package org.antlr.v4.runtime.atn

Class EmptyPredictionContext

java.lang.Object

org.antlr.v4.runtime.atn.PredictionContext

org.antlr.v4.runtime.atn.SingletonPredictionContext

org.antlr.v4.runtime.atn.EmptyPredictionContext

public class EmptyPredictionContext
extends SingletonPredictionContext

Field Summary

Fields

Modifier and Type	Field	Description
static EmptyPredictionContext	Instance	Represents $ in local context prediction, which means wildcard.

Fields inherited from class org.antlr.v4.runtime.atn.SingletonPredictionContext

parent, returnState

Fields inherited from class org.antlr.v4.runtime.atn.PredictionContext

cachedHashCode, EMPTY_RETURN_STATE, id

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
PredictionContext	getParent(int index)
int	getReturnState(int index)
boolean	isEmpty()	This means only the Instance (wildcard? not sure) context is in set.
int	size()
String	toString()

Methods inherited from class org.antlr.v4.runtime.atn.SingletonPredictionContext

create

Methods inherited from class org.antlr.v4.runtime.atn.PredictionContext

calculateEmptyHashCode, calculateHashCode, calculateHashCode, combineCommonParents, fromRuleContext, getAllContextNodes, getAllContextNodes_, getCachedContext, hasEmptyPath, hashCode, merge, mergeArrays, mergeRoot, mergeSingletons, toDOTString, toString, toStrings, toStrings

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

Instance

public static final EmptyPredictionContext Instance

Represents $ in local context prediction, which means wildcard. *+x = *.

Method Detail

isEmpty

public boolean isEmpty()

Description copied from class: PredictionContext

This means only the Instance (wildcard? not sure) context is in set.

Overrides:

isEmpty in class PredictionContext

size

public int size()

Overrides:

size in class SingletonPredictionContext

getParent

public PredictionContext getParent(int index)

Overrides:

getParent in class SingletonPredictionContext

getReturnState

public int getReturnState(int index)

Overrides:

getReturnState in class SingletonPredictionContext

equals

public boolean equals(Object o)

Overrides:

equals in class SingletonPredictionContext

toString

public String toString()

Overrides:

toString in class SingletonPredictionContext