@Override
    public void visitLiteralExpression(@NotNull PsiLiteralExpression literal) {
      super.visitLiteralExpression(literal);
      if (!ExpressionUtils.isOctalLiteral(literal)) {
        return;
      }
      registerError(literal);
    }
@Override
    public void visitLiteralExpression(@NotNull PsiLiteralExpression literal)