<?php

declare(strict_types=1);

namespace PHPJava\Kernel\Mnemonics;

use PHPJava\Kernel\Filters\Normalizer;

use PHPJava\Kernel\Types\Int_;

final class _dcmpl extends AbstractOperationCode implements OperationCodeInterface

{

protected $isStackingOperation = true;

public function getOperands(): ?Operands

{

parent::getOperands();

if ($this->operands !== null) {

return $this->operands;

}

return $this->operands = new Operands();

}

public function execute(): void

{

parent::execute();

$rightOperand = Normalizer::getPrimitiveValue($this->popFromOperandStack());

$leftOperand = Normalizer::getPrimitiveValue($this->popFromOperandStack());

if ($leftOperand > $rightOperand) {

$this->pushToOperandStack(

Int_::get(1)

);

return;

}

if ($leftOperand < $rightOperand) {

$this->pushToOperandStack(

Int_::get(-1)

);

return;

}

$this->pushToOperandStack(

Int_::get(0)

);

}

}