PocketMine-MP/tests/phpstan/rules/DisallowDynamicNewRule.php

<?php

/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */

declare(strict_types=1);

namespace pocketmine\phpstan\rules;

use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\New_;
use PHPStan\Analyser\Scope;
use PHPStan\Rules\Rule;
use PHPStan\Rules\RuleErrorBuilder;

/**
 * @phpstan-implements Rule<New_>
 */
final class DisallowDynamicNewRule implements Rule{

	public function getNodeType() : string{
		return New_::class;
	}

	public function processNode(Node $node, Scope $scope) : array{
		/** @var New_ $node */
		if($node->class instanceof Expr){
			return [
				RuleErrorBuilder::message("Dynamic new is not allowed.")
					->tip("For factories, use closures instead. Closures can implement custom logic, are statically analyzable, and don't restrict the constructor signature.")
					->identifier("pocketmine.new.dynamic")
					->build()
			];
		}

		return [];
	}
}