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Kotlin multiplatform port of ANTLR

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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.kotlinruntime.atn

class EpsilonTransition constructor(target: ATNState, private val outermostPrecedenceReturn: Int = -1) : Transition(target) {

    override val serializationType: Int
        get() = Transition.EPSILON

    override val isEpsilon: Boolean
        get() = true

    /**
     * @return the rule index of a precedence rule for which this transition is
     * returning from, where the precedence value is 0; otherwise, -1.
     *
     * @see ATNConfig.isPrecedenceFilterSuppressed
     * @see ParserATNSimulator.applyPrecedenceFilter
     * @since 4.4.1
     */
    fun outermostPrecedenceReturn(): Int {
        return outermostPrecedenceReturn
    }

    override fun matches(symbol: Int, minVocabSymbol: Int, maxVocabSymbol: Int): Boolean {
        return false
    }

    override fun toString(): String {
        return "epsilon"
    }
}