function InstantiationOfDeprecatedClassRule::processNode

File

vendor/phpstan/phpstan-deprecation-rules/src/Rules/Deprecations/InstantiationOfDeprecatedClassRule.php, line 45

Class

InstantiationOfDeprecatedClassRule

@implements Rule<New_>

Namespace

PHPStan\Rules\Deprecations

Code

public function processNode(Node $node, Scope $scope) : array {
    if ($this->deprecatedScopeHelper
        ->isScopeDeprecated($scope)) {
        return [];
    }
    $referencedClasses = [];
    if ($node->class instanceof Name) {
        $referencedClasses[] = $scope->resolveName($node->class);
    }
    elseif ($node->class instanceof Class_) {
        if (!isset($node->class->namespacedName)) {
            return [];
        }
        $referencedClasses[] = $scope->resolveName($node->class->namespacedName);
    }
    else {
        $classTypeResult = $this->ruleLevelHelper
            ->findTypeToCheck($scope, $node->class, '', static function () : bool {
            return true;
        });
        if ($classTypeResult->getType() instanceof ErrorType) {
            return [];
        }
        $referencedClasses = $classTypeResult->getReferencedClasses();
    }
    $errors = [];
    foreach ($referencedClasses as $referencedClass) {
        try {
            $class = $this->reflectionProvider
                ->getClass($referencedClass);
        } catch (ClassNotFoundException $e) {
            continue;
        }
        if (!$class->isDeprecated()) {
            continue;
        }
        $description = $class->getDeprecatedDescription();
        if ($description === null) {
            $errors[] = RuleErrorBuilder::message(sprintf('Instantiation of deprecated class %s.', $referencedClass))->identifier('new.deprecated')
                ->build();
        }
        else {
            $errors[] = RuleErrorBuilder::message(sprintf("Instantiation of deprecated class %s:\n%s", $referencedClass, $description))->identifier('new.deprecated')
                ->build();
        }
    }
    return $errors;
}