org.antlr.v4.runtime.atn.AtomTransition Maven / Gradle / Ivy
/*
* 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;
import org.antlr.v4.runtime.misc.IntervalSet;
/** TODO: make all transitions sets? no, should remove set edges */
public final class AtomTransition extends Transition {
/** The token type or character value; or, signifies special label. */
public final int label;
public AtomTransition(ATNState target, int label) {
super(target);
this.label = label;
}
@Override
public int getSerializationType() {
return ATOM;
}
@Override
public IntervalSet label() { return IntervalSet.of(label); }
@Override
public boolean matches(int symbol, int minVocabSymbol, int maxVocabSymbol) {
return label == symbol;
}
@Override
public String toString() {
return String.valueOf(label);
}
}