antlr4-runtime/src/antlr4/action/LexerAction.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 HashCode from "../misc/HashCode.js";

/* Copyright (c) 2012-2022 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.
 */


export default class LexerAction {
    constructor(action) {
        this.actionType = action;
        this.isPositionDependent = false;
    }

    hashCode() {
        const hash = new HashCode();
        this.updateHashCode(hash);
        return hash.finish()
    }

    updateHashCode(hash) {
        hash.update(this.actionType);
    }

    equals(other) {
        return this === other;
    }
}