Method evalBinaryOperator

src/main/java/net/starlark/java/eval/Eval.java:608–626

(StarlarkThread.Frame fr, BinaryOperatorExpression binop)

  }

  private static Object evalBinaryOperator(StarlarkThread.Frame fr, BinaryOperatorExpression binop)
      throws EvalException, InterruptedException {
    Object x = eval(fr, binop.getX());
    // AND and OR require short-circuit evaluation.
    switch (binop.getOperator()) {
      case AND:
        return Starlark.truth(x) ? eval(fr, binop.getY()) : x;
      case OR:
        return Starlark.truth(x) ? x : eval(fr, binop.getY());
      default:
        Object y = eval(fr, binop.getY());
        try {
          return EvalUtils.binaryOp(binop.getOperator(), x, y, fr.thread);
        } catch (EvalException ex) {
          fr.setErrorLocation(binop.getOperatorLocation());
          throw ex;
        }
    }
  }

  private static Object evalConditional(StarlarkThread.Frame fr, ConditionalExpression cond)
      throws EvalException, InterruptedException {