1/**
 2 * Represents the length to reduce the stack by, and the replacement symbol that will replace those tokens in the stack.
 3 */
 4class ReductionPair {
 5  private lengthToReduceStackBy : number;
 6  private replacementSymbol : number;
 7  constructor(replacementSymbol : number, length : number) {
 8    this.lengthToReduceStackBy = length;
 9    this.replacementSymbol = replacementSymbol;
10  }
11
12  /**
13   * Get the number representing the length to reduce the stack by.
14   * @returns {number}
15   */
16  getLengthToReduceStackBy() : number {
17    return this.lengthToReduceStackBy;
18  }
19
20  /**
21   * Get the replacement token index.
22   * @returns {number}
23   */
24  getReplacementSymbol() : number {
25    return this.replacementSymbol;
26  }
27}
28
29export {
30  ReductionPair
31}