function InheritanceOfDeprecatedClassRule::processNode

File

vendor/phpstan/phpstan-deprecation-rules/src/Rules/Deprecations/InheritanceOfDeprecatedClassRule.php, line 37

Class

InheritanceOfDeprecatedClassRule

@implements Rule<Class_>

Namespace

PHPStan\Rules\Deprecations

Code

public function processNode(Node $node, Scope $scope) : array {
    if ($this->deprecatedScopeHelper
        ->isScopeDeprecated($scope)) {
        return [];
    }
    if ($node->extends === null) {
        return [];
    }
    $errors = [];
    $className = isset($node->namespacedName) ? (string) $node->namespacedName : (string) $node->name;
    try {
        $class = $this->reflectionProvider
            ->getClass($className);
    } catch (ClassNotFoundException $e) {
        return [];
    }
    $parentClassName = (string) $node->extends;
    try {
        $parentClass = $this->reflectionProvider
            ->getClass($parentClassName);
        $description = $parentClass->getDeprecatedDescription();
        if ($parentClass->isDeprecated()) {
            if (!$class->isAnonymous()) {
                if ($description === null) {
                    $errors[] = RuleErrorBuilder::message(sprintf('Class %s extends deprecated class %s.', $className, $parentClassName))->identifier('class.extendsDeprecatedClass')
                        ->build();
                }
                else {
                    $errors[] = RuleErrorBuilder::message(sprintf("Class %s extends deprecated class %s:\n%s", $className, $parentClassName, $description))->identifier('class.extendsDeprecatedClass')
                        ->build();
                }
            }
            else {
                if ($description === null) {
                    $errors[] = RuleErrorBuilder::message(sprintf('Anonymous class extends deprecated class %s.', $parentClassName))->identifier('class.extendsDeprecatedClass')
                        ->build();
                }
                else {
                    $errors[] = RuleErrorBuilder::message(sprintf("Anonymous class extends deprecated class %s:\n%s", $parentClassName, $description))->identifier('class.extendsDeprecatedClass')
                        ->build();
                }
            }
        }
    } catch (ClassNotFoundException $e) {
        // Other rules will notify if the interface is not found
    }
    return $errors;
}