<?php

declare(strict_types=1);

namespace Doctrine\ORM\Query\AST;

use Doctrine\Deprecations\Deprecation;

use function func_num_args;

/**
 * InstanceOfExpression ::= IdentificationVariable ["NOT"] "INSTANCE" ["OF"] (InstanceOfParameter | "(" InstanceOfParameter {"," InstanceOfParameter}* ")")
 * InstanceOfParameter  ::= AbstractSchemaName | InputParameter
 *
 * @link    www.doctrine-project.org
 */
class InstanceOfExpression extends Node
{
    /** @var bool */
    public $not;

    /** @var string */
    public $identificationVariable;

    /** @var non-empty-list<InputParameter|string> */
    public $value;

    /**
     * @param string                                $identVariable
     * @param non-empty-list<InputParameter|string> $value
     */
    public function __construct($identVariable, array $value = [], bool $not = false)
    {
        if (func_num_args() < 2) {
            Deprecation::trigger(
                'doctrine/orm',
                'https://github.com/doctrine/orm/pull/10267',
                'Not passing a value for $value to %s() is deprecated.',
                __METHOD__
            );
        }

        $this->identificationVariable = $identVariable;
        $this->value                  = $value;
        $this->not                    = $not;
    }

    /**
     * {@inheritDoc}
     */
    public function dispatch($sqlWalker)
    {
        return $sqlWalker->walkInstanceOfExpression($this);
    }
}