<?php

declare(strict_types=1);

namespace PHPJava\Kernel\Mnemonics;

use PHPJava\Core\JavaClass;

use PHPJava\Core\JavaClassInterface;

use PHPJava\Utilities\Formatter;

final class _getstatic extends AbstractOperationCode implements OperationCodeInterface

{

protected $isStackingOperation = true;

public function getOperands(): ?Operands

{

parent::getOperands();

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

return $this->operands;

}

$indexbyte = $this->readUnsignedShort();

return $this->operands = new Operands(

['indexbyte', $indexbyte, ['indexbyte1', 'indexbyte2']]

);

}

public function execute(): void

{

parent::execute();

$cpInfo = $this->getConstantPool();

$cp = $cpInfo[$this->getOperands()['indexbyte']];

$class = $cpInfo[$cpInfo[$cp->getClassIndex()]->getClassIndex()]->getString();

$signature = Formatter::parseSignature($cpInfo[$cpInfo[$cp->getNameAndTypeIndex()]->getDescriptorIndex()]->getString());

$fieldName = $cpInfo[$cpInfo[$cp->getNameAndTypeIndex()]->getNameIndex()]->getString();

$classObject = JavaClass::load(

$class,

$this->javaClass->getOptions(),

false

);

/**

* @var JavaClassInterface $className

*/

$this->pushToOperandStack(

$classObject

->getInvoker()

->getStatic()

->getFields()

->get($fieldName)

);

}

}