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RuleTransition.java
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RuleTransition.java
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/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.runtime.atn;
/** */
public final class RuleTransition extends Transition {
/** Ptr to the rule definition object for this rule ref */
public final int ruleIndex; // no Rule object at runtime
public final int precedence;
/** What node to begin computations following ref to rule */
public ATNState followState;
/**
* @deprecated Use
* {@link #RuleTransition(RuleStartState, int, int, ATNState)} instead.
*/
@Deprecated
public RuleTransition(RuleStartState ruleStart,
int ruleIndex,
ATNState followState)
{
this(ruleStart, ruleIndex, 0, followState);
}
public RuleTransition(RuleStartState ruleStart,
int ruleIndex,
int precedence,
ATNState followState)
{
super(ruleStart);
this.ruleIndex = ruleIndex;
this.precedence = precedence;
this.followState = followState;
}
@Override
public int getSerializationType() {
return RULE;
}
@Override
public boolean isEpsilon() { return true; }
@Override
public boolean matches(int symbol, int minVocabSymbol, int maxVocabSymbol) {
return false;
}
}