Method readIntegerFromCurrent

src/parser/xref-parser.ts:570–587

* Read an integer from current scanner position.

()

   * Read an integer from current scanner position.
   */
  private readIntegerFromCurrent(): number | null {
    let value = 0;
    let hasDigits = false;

    while (true) {
      const byte = this.scanner.peek();

      if (byte >= DIGIT_0 && byte <= DIGIT_9) {
        value = value * 10 + (byte - DIGIT_0);
        hasDigits = true;
        this.scanner.advance();
      } else {
        break;
      }
    }

    return hasDigits ? value : null;
  }

  /**
   * Expect and consume a keyword at current position.