antlr4-runtime/src/antlr4/transition/NotSetTransition.js

JavaScript runtime for ANTLR4

/* Copyright (c) 2012-2022 The ANTLR Project Contributors. All rights reserved.
 * Use is of this file is governed by the BSD 3-clause license that
 * can be found in the LICENSE.txt file in the project root.
 */
import Transition from "./Transition.js";
import SetTransition from "./SetTransition.js";

export default class NotSetTransition extends SetTransition {
    constructor(target, set) {
        super(target, set);
        this.serializationType = Transition.NOT_SET;
    }

    matches(symbol, minVocabSymbol, maxVocabSymbol) {
        return symbol >= minVocabSymbol && symbol <= maxVocabSymbol &&
            !super.matches(symbol, minVocabSymbol, maxVocabSymbol);
    }

    toString() {
        return '~' + super.toString();
    }
}