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DebugClassLoader.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\ErrorHandler;
use Composer\InstalledVersions;
use Doctrine\Common\Persistence\Proxy as LegacyProxy;
use Doctrine\Persistence\Proxy;
use Mockery\MockInterface;
use Phake\IMock;
use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\MockObject\Stub;
use Prophecy\Prophecy\ProphecySubjectInterface;
use ProxyManager\Proxy\ProxyInterface;
use Symfony\Component\DependencyInjection\Argument\LazyClosure;
use Symfony\Component\ErrorHandler\Internal\TentativeTypes;
use Symfony\Component\VarExporter\LazyObjectInterface;
/**
* Autoloader checking if the class is really defined in the file found.
*
* The ClassLoader will wrap all registered autoloaders
* and will throw an exception if a file is found but does
* not declare the class.
*
* It can also patch classes to turn docblocks into actual return types.
* This behavior is controlled by the SYMFONY_PATCH_TYPE_DECLARATIONS env var,
* which is a url-encoded array with the follow parameters:
* - "force": any value enables deprecation notices - can be any of:
* - "phpdoc" to patch only docblock annotations
* - "2" to add all possible return types
* - "1" to add return types but only to tests/final/internal/private methods
* - "php": the target version of PHP - e.g. "7.1" doesn't generate "object" types
* - "deprecations": "1" to trigger a deprecation notice when a child class misses a
* return type while the parent declares an "@return" annotation
*
* Note that patching doesn't care about any coding style so you'd better to run
* php-cs-fixer after, with rules "phpdoc_trim_consecutive_blank_line_separation"
* and "no_superfluous_phpdoc_tags" enabled typically.
*
* @author Fabien Potencier <[email protected]>
* @author Christophe Coevoet <[email protected]>
* @author Nicolas Grekas <[email protected]>
* @author Guilhem Niot <[email protected]>
*/
class DebugClassLoader
{
private const SPECIAL_RETURN_TYPES = [
'void' => 'void',
'null' => 'null',
'resource' => 'resource',
'boolean' => 'bool',
'true' => 'true',
'false' => 'false',
'integer' => 'int',
'array' => 'array',
'bool' => 'bool',
'callable' => 'callable',
'float' => 'float',
'int' => 'int',
'iterable' => 'iterable',
'object' => 'object',
'string' => 'string',
'self' => 'self',
'parent' => 'parent',
'mixed' => 'mixed',
'static' => 'static',
'$this' => 'static',
'list' => 'array',
'class-string' => 'string',
'never' => 'never',
];
private const BUILTIN_RETURN_TYPES = [
'void' => true,
'array' => true,
'false' => true,
'bool' => true,
'callable' => true,
'float' => true,
'int' => true,
'iterable' => true,
'object' => true,
'string' => true,
'self' => true,
'parent' => true,
'mixed' => true,
'static' => true,
'null' => true,
'true' => true,
'never' => true,
];
private const MAGIC_METHODS = [
'__isset' => 'bool',
'__sleep' => 'array',
'__toString' => 'string',
'__debugInfo' => 'array',
'__serialize' => 'array',
'__set' => 'void',
'__unset' => 'void',
'__unserialize' => 'void',
'__wakeup' => 'void',
];
/**
* @var callable
*/
private $classLoader;
private bool $isFinder;
private array $loaded = [];
private array $patchTypes = [];
private static int $caseCheck;
private static array $checkedClasses = [];
private static array $final = [];
private static array $finalMethods = [];
private static array $finalProperties = [];
private static array $finalConstants = [];
private static array $deprecated = [];
private static array $internal = [];
private static array $internalMethods = [];
private static array $annotatedParameters = [];
private static array $darwinCache = ['/' => ['/', []]];
private static array $method = [];
private static array $returnTypes = [];
private static array $methodTraits = [];
private static array $fileOffsets = [];
public function __construct(callable $classLoader)
{
$this->classLoader = $classLoader;
$this->isFinder = \is_array($classLoader) && method_exists($classLoader[0], 'findFile');
parse_str($_ENV['SYMFONY_PATCH_TYPE_DECLARATIONS'] ?? $_SERVER['SYMFONY_PATCH_TYPE_DECLARATIONS'] ?? getenv('SYMFONY_PATCH_TYPE_DECLARATIONS') ?: '', $this->patchTypes);
$this->patchTypes += [
'force' => null,
'php' => \PHP_MAJOR_VERSION.'.'.\PHP_MINOR_VERSION,
'deprecations' => true,
];
if ('phpdoc' === $this->patchTypes['force']) {
$this->patchTypes['force'] = 'docblock';
}
if (!isset(self::$caseCheck)) {
$file = is_file(__FILE__) ? __FILE__ : rtrim(realpath('.'), \DIRECTORY_SEPARATOR);
$i = strrpos($file, \DIRECTORY_SEPARATOR);
$dir = substr($file, 0, 1 + $i);
$file = substr($file, 1 + $i);
$test = strtoupper($file) === $file ? strtolower($file) : strtoupper($file);
$test = realpath($dir.$test);
if (false === $test || false === $i) {
// filesystem is case-sensitive
self::$caseCheck = 0;
} elseif (str_ends_with($test, $file)) {
// filesystem is case-insensitive and realpath() normalizes the case of characters
self::$caseCheck = 1;
} elseif ('Darwin' === \PHP_OS_FAMILY) {
// on MacOSX, HFS+ is case-insensitive but realpath() doesn't normalize the case of characters
self::$caseCheck = 2;
} else {
// filesystem case checks failed, fallback to disabling them
self::$caseCheck = 0;
}
}
}
public function getClassLoader(): callable
{
return $this->classLoader;
}
/**
* Wraps all autoloaders.
*/
public static function enable(): void
{
// Ensures we don't hit https://bugs.php.net/42098
class_exists(ErrorHandler::class);
class_exists(\Psr\Log\LogLevel::class);
if (!\is_array($functions = spl_autoload_functions())) {
return;
}
foreach ($functions as $function) {
spl_autoload_unregister($function);
}
foreach ($functions as $function) {
if (!\is_array($function) || !$function[0] instanceof self) {
$function = [new static($function), 'loadClass'];
}
spl_autoload_register($function);
}
}
/**
* Disables the wrapping.
*/
public static function disable(): void
{
if (!\is_array($functions = spl_autoload_functions())) {
return;
}
foreach ($functions as $function) {
spl_autoload_unregister($function);
}
foreach ($functions as $function) {
if (\is_array($function) && $function[0] instanceof self) {
$function = $function[0]->getClassLoader();
}
spl_autoload_register($function);
}
}
public static function checkClasses(): bool
{
if (!\is_array($functions = spl_autoload_functions())) {
return false;
}
$loader = null;
foreach ($functions as $function) {
if (\is_array($function) && $function[0] instanceof self) {
$loader = $function[0];
break;
}
}
if (null === $loader) {
return false;
}
static $offsets = [
'get_declared_interfaces' => 0,
'get_declared_traits' => 0,
'get_declared_classes' => 0,
];
foreach ($offsets as $getSymbols => $i) {
$symbols = $getSymbols();
for (; $i < \count($symbols); ++$i) {
if (!is_subclass_of($symbols[$i], MockObject::class)
&& !is_subclass_of($symbols[$i], Stub::class)
&& !is_subclass_of($symbols[$i], ProphecySubjectInterface::class)
&& !is_subclass_of($symbols[$i], Proxy::class)
&& !is_subclass_of($symbols[$i], ProxyInterface::class)
&& !is_subclass_of($symbols[$i], LazyObjectInterface::class)
&& !is_subclass_of($symbols[$i], LegacyProxy::class)
&& !is_subclass_of($symbols[$i], MockInterface::class)
&& !is_subclass_of($symbols[$i], IMock::class)
&& !(is_subclass_of($symbols[$i], LazyClosure::class) && str_contains($symbols[$i], "@anonymous\0"))
) {
$loader->checkClass($symbols[$i]);
}
}
$offsets[$getSymbols] = $i;
}
return true;
}
public function findFile(string $class): ?string
{
return $this->isFinder ? ($this->classLoader[0]->findFile($class) ?: null) : null;
}
/**
* Loads the given class or interface.
*
* @throws \RuntimeException
*/
public function loadClass(string $class): void
{
$e = error_reporting(error_reporting() | \E_PARSE | \E_ERROR | \E_CORE_ERROR | \E_COMPILE_ERROR);
try {
if ($this->isFinder && !isset($this->loaded[$class])) {
$this->loaded[$class] = true;
if (!$file = $this->classLoader[0]->findFile($class) ?: '') {
// no-op
} elseif (\function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file)) {
include $file;
return;
} elseif (false === include $file) {
return;
}
} else {
($this->classLoader)($class);
$file = '';
}
} finally {
error_reporting($e);
}
$this->checkClass($class, $file);
}
private function checkClass(string $class, ?string $file = null): void
{
$exists = null === $file || class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
if (null !== $file && $class && '\\' === $class[0]) {
$class = substr($class, 1);
}
if ($exists) {
if (isset(self::$checkedClasses[$class])) {
return;
}
self::$checkedClasses[$class] = true;
$refl = new \ReflectionClass($class);
if (null === $file && $refl->isInternal()) {
return;
}
$name = $refl->getName();
if ($name !== $class && 0 === strcasecmp($name, $class)) {
throw new \RuntimeException(\sprintf('Case mismatch between loaded and declared class names: "%s" vs "%s".', $class, $name));
}
$deprecations = $this->checkAnnotations($refl, $name);
foreach ($deprecations as $message) {
@trigger_error($message, \E_USER_DEPRECATED);
}
}
if (!$file) {
return;
}
if (!$exists) {
if (str_contains($class, '/')) {
throw new \RuntimeException(\sprintf('Trying to autoload a class with an invalid name "%s". Be careful that the namespace separator is "\" in PHP, not "/".', $class));
}
throw new \RuntimeException(\sprintf('The autoloader expected class "%s" to be defined in file "%s". The file was found but the class was not in it, the class name or namespace probably has a typo.', $class, $file));
}
if (self::$caseCheck && $message = $this->checkCase($refl, $file, $class)) {
throw new \RuntimeException(\sprintf('Case mismatch between class and real file names: "%s" vs "%s" in "%s".', $message[0], $message[1], $message[2]));
}
}
public function checkAnnotations(\ReflectionClass $refl, string $class): array
{
if (
'Symfony\Bridge\PhpUnit\Legacy\SymfonyTestsListenerForV7' === $class
|| 'Symfony\Bridge\PhpUnit\Legacy\SymfonyTestsListenerForV6' === $class
) {
return [];
}
$deprecations = [];
$className = str_contains($class, "@anonymous\0") ? (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous' : $class;
// Don't trigger deprecations for classes in the same vendor
if ($class !== $className) {
$vendor = preg_match('/^namespace ([^;\\\\\s]++)[;\\\\]/m', @file_get_contents($refl->getFileName()), $vendor) ? $vendor[1].'\\' : '';
$vendorLen = \strlen($vendor);
} elseif (2 > $vendorLen = 1 + (strpos($class, '\\') ?: strpos($class, '_'))) {
$vendorLen = 0;
$vendor = '';
} else {
$vendor = str_replace('_', '\\', substr($class, 0, $vendorLen));
}
$parent = get_parent_class($class) ?: null;
self::$returnTypes[$class] = [];
$classIsTemplate = false;
// Detect annotations on the class
if ($doc = $this->parsePhpDoc($refl)) {
$classIsTemplate = isset($doc['template']) || isset($doc['template-covariant']);
foreach (['final', 'deprecated', 'internal'] as $annotation) {
if (null !== $description = $doc[$annotation][0] ?? null) {
self::${$annotation}[$class] = '' !== $description ? ' '.$description.(preg_match('/[.!]$/', $description) ? '' : '.') : '.';
}
}
if ($refl->isInterface() && isset($doc['method'])) {
foreach ($doc['method'] as $name => [$static, $returnType, $signature, $description]) {
self::$method[$class][] = [$class, $static, $returnType, $name.$signature, $description];
if ('' !== $returnType) {
$this->setReturnType($returnType, $refl->name, $name, $refl->getFileName(), $parent);
}
}
}
}
$parentAndOwnInterfaces = $this->getOwnInterfaces($class, $parent);
if ($parent) {
$parentAndOwnInterfaces[$parent] = $parent;
if (!isset(self::$checkedClasses[$parent])) {
$this->checkClass($parent);
}
if (isset(self::$final[$parent])) {
$deprecations[] = \sprintf('The "%s" class is considered final%s It may change without further notice as of its next major version. You should not extend it from "%s".', $parent, self::$final[$parent], $className);
}
}
// Detect if the parent is annotated
foreach ($parentAndOwnInterfaces + class_uses($class, false) as $use) {
if (!isset(self::$checkedClasses[$use])) {
$this->checkClass($use);
}
if (isset(self::$deprecated[$use]) && strncmp($vendor, str_replace('_', '\\', $use), $vendorLen) && !isset(self::$deprecated[$class])) {
$type = class_exists($class, false) ? 'class' : (interface_exists($class, false) ? 'interface' : 'trait');
$verb = class_exists($use, false) || interface_exists($class, false) ? 'extends' : (interface_exists($use, false) ? 'implements' : 'uses');
$deprecations[] = \sprintf('The "%s" %s %s "%s" that is deprecated%s', $className, $type, $verb, $use, self::$deprecated[$use]);
}
if (isset(self::$internal[$use]) && strncmp($vendor, str_replace('_', '\\', $use), $vendorLen)) {
$deprecations[] = \sprintf('The "%s" %s is considered internal%s It may change without further notice. You should not use it from "%s".', $use, class_exists($use, false) ? 'class' : (interface_exists($use, false) ? 'interface' : 'trait'), self::$internal[$use], $className);
}
if (isset(self::$method[$use])) {
if ($refl->isAbstract()) {
if (isset(self::$method[$class])) {
self::$method[$class] = array_merge(self::$method[$class], self::$method[$use]);
} else {
self::$method[$class] = self::$method[$use];
}
} elseif (!$refl->isInterface()) {
if (!strncmp($vendor, str_replace('_', '\\', $use), $vendorLen)
&& str_starts_with($className, 'Symfony\\')
&& (!class_exists(InstalledVersions::class)
|| 'symfony/symfony' !== InstalledVersions::getRootPackage()['name'])
) {
// skip "same vendor" @method deprecations for Symfony\* classes unless symfony/symfony is being tested
continue;
}
$hasCall = $refl->hasMethod('__call');
$hasStaticCall = $refl->hasMethod('__callStatic');
foreach (self::$method[$use] as [$interface, $static, $returnType, $name, $description]) {
if ($static ? $hasStaticCall : $hasCall) {
continue;
}
$realName = substr($name, 0, strpos($name, '('));
if (!$refl->hasMethod($realName) || !($methodRefl = $refl->getMethod($realName))->isPublic() || ($static && !$methodRefl->isStatic()) || (!$static && $methodRefl->isStatic())) {
$deprecations[] = \sprintf('Class "%s" should implement method "%s::%s%s"%s', $className, ($static ? 'static ' : '').$interface, $name, $returnType ? ': '.$returnType : '', null === $description ? '.' : ': '.$description);
}
}
}
}
}
if (trait_exists($class)) {
$file = $refl->getFileName();
foreach ($refl->getMethods() as $method) {
if ($method->getFileName() === $file) {
self::$methodTraits[$file][$method->getStartLine()] = $class;
}
}
return $deprecations;
}
// Inherit @final, @internal, @param and @return annotations for methods
self::$finalMethods[$class] = [];
self::$internalMethods[$class] = [];
self::$annotatedParameters[$class] = [];
self::$finalProperties[$class] = [];
self::$finalConstants[$class] = [];
foreach ($parentAndOwnInterfaces as $use) {
foreach (['finalMethods', 'internalMethods', 'annotatedParameters', 'returnTypes', 'finalProperties', 'finalConstants'] as $property) {
if (isset(self::${$property}[$use])) {
self::${$property}[$class] = self::${$property}[$class] ? self::${$property}[$use] + self::${$property}[$class] : self::${$property}[$use];
}
}
if (null !== (TentativeTypes::RETURN_TYPES[$use] ?? null)) {
foreach (TentativeTypes::RETURN_TYPES[$use] as $method => $returnType) {
$returnType = explode('|', $returnType);
foreach ($returnType as $i => $t) {
if ('?' !== $t && !isset(self::BUILTIN_RETURN_TYPES[$t])) {
$returnType[$i] = '\\'.$t;
}
}
$returnType = implode('|', $returnType);
self::$returnTypes[$class] += [$method => [$returnType, str_starts_with($returnType, '?') ? substr($returnType, 1).'|null' : $returnType, $use, '']];
}
}
}
foreach ($refl->getMethods() as $method) {
if ($method->class !== $class) {
continue;
}
if (null === $ns = self::$methodTraits[$method->getFileName()][$method->getStartLine()] ?? null) {
$ns = $vendor;
$len = $vendorLen;
} elseif (2 > $len = 1 + (strpos($ns, '\\') ?: strpos($ns, '_'))) {
$len = 0;
$ns = '';
} else {
$ns = str_replace('_', '\\', substr($ns, 0, $len));
}
if ($parent && isset(self::$finalMethods[$parent][$method->name])) {
[$declaringClass, $message] = self::$finalMethods[$parent][$method->name];
$deprecations[] = \sprintf('The "%s::%s()" method is considered final%s It may change without further notice as of its next major version. You should not extend it from "%s".', $declaringClass, $method->name, $message, $className);
}
if (isset(self::$internalMethods[$class][$method->name])) {
[$declaringClass, $message] = self::$internalMethods[$class][$method->name];
if (strncmp($ns, $declaringClass, $len)) {
$deprecations[] = \sprintf('The "%s::%s()" method is considered internal%s It may change without further notice. You should not extend it from "%s".', $declaringClass, $method->name, $message, $className);
}
}
// To read method annotations
$doc = $this->parsePhpDoc($method);
if (($classIsTemplate || isset($doc['template']) || isset($doc['template-covariant'])) && $method->hasReturnType()) {
unset($doc['return']);
}
if (isset(self::$annotatedParameters[$class][$method->name])) {
$definedParameters = [];
foreach ($method->getParameters() as $parameter) {
$definedParameters[$parameter->name] = true;
}
foreach (self::$annotatedParameters[$class][$method->name] as $parameterName => $deprecation) {
if (!isset($definedParameters[$parameterName]) && !isset($doc['param'][$parameterName])) {
$deprecations[] = \sprintf($deprecation, $className);
}
}
}
$forcePatchTypes = $this->patchTypes['force'];
if ($canAddReturnType = null !== $forcePatchTypes && !str_contains($method->getFileName(), \DIRECTORY_SEPARATOR.'vendor'.\DIRECTORY_SEPARATOR)) {
$this->patchTypes['force'] = $forcePatchTypes ?: 'docblock';
$canAddReturnType = 2 === (int) $forcePatchTypes
|| false !== stripos($method->getFileName(), \DIRECTORY_SEPARATOR.'Tests'.\DIRECTORY_SEPARATOR)
|| $refl->isFinal()
|| $method->isFinal()
|| $method->isPrivate()
|| ('.' === (self::$internal[$class] ?? null) && !$refl->isAbstract())
|| '.' === (self::$final[$class] ?? null)
|| '' === ($doc['final'][0] ?? null)
|| '' === ($doc['internal'][0] ?? null)
;
}
if (null !== ($returnType = self::$returnTypes[$class][$method->name] ?? null) && 'docblock' === $this->patchTypes['force'] && !$method->hasReturnType() && isset(TentativeTypes::RETURN_TYPES[$returnType[2]][$method->name])) {
$this->patchReturnTypeWillChange($method);
}
if (null !== ($returnType ??= self::MAGIC_METHODS[$method->name] ?? null) && !$method->hasReturnType() && !isset($doc['return'])) {
[$normalizedType, $returnType, $declaringClass, $declaringFile] = \is_string($returnType) ? [$returnType, $returnType, '', ''] : $returnType;
if ($canAddReturnType && 'docblock' !== $this->patchTypes['force']) {
$this->patchMethod($method, $returnType, $declaringFile, $normalizedType);
}
if (!isset($doc['deprecated']) && strncmp($ns, $declaringClass, $len)) {
if ('docblock' === $this->patchTypes['force']) {
$this->patchMethod($method, $returnType, $declaringFile, $normalizedType);
} elseif ('' !== $declaringClass && $this->patchTypes['deprecations']) {
$deprecations[] = \sprintf('Method "%s::%s()" might add "%s" as a native return type declaration in the future. Do the same in %s "%s" now to avoid errors or add an explicit @return annotation to suppress this message.', $declaringClass, $method->name, $normalizedType, interface_exists($declaringClass) ? 'implementation' : 'child class', $className);
}
}
}
if (!$doc) {
$this->patchTypes['force'] = $forcePatchTypes;
continue;
}
if (isset($doc['return'])) {
$this->setReturnType($doc['return'] ?? self::MAGIC_METHODS[$method->name], $method->class, $method->name, $method->getFileName(), $parent, $method->getReturnType());
if (isset(self::$returnTypes[$class][$method->name][0]) && $canAddReturnType) {
$this->fixReturnStatements($method, self::$returnTypes[$class][$method->name][0]);
}
if ($method->isPrivate()) {
unset(self::$returnTypes[$class][$method->name]);
}
}
$this->patchTypes['force'] = $forcePatchTypes;
if ($method->isPrivate()) {
continue;
}
$finalOrInternal = false;
foreach (['final', 'internal'] as $annotation) {
if (null !== $description = $doc[$annotation][0] ?? null) {
self::${$annotation.'Methods'}[$class][$method->name] = [$class, '' !== $description ? ' '.$description.(preg_match('/[[:punct:]]$/', $description) ? '' : '.') : '.'];
$finalOrInternal = true;
}
}
if ($finalOrInternal || $method->isConstructor() || !isset($doc['param']) || StatelessInvocation::class === $class) {
continue;
}
if (!isset(self::$annotatedParameters[$class][$method->name])) {
$definedParameters = [];
foreach ($method->getParameters() as $parameter) {
$definedParameters[$parameter->name] = true;
}
}
foreach ($doc['param'] as $parameterName => $parameterType) {
if (!isset($definedParameters[$parameterName])) {
self::$annotatedParameters[$class][$method->name][$parameterName] = \sprintf('The "%%s::%s()" method will require a new "%s$%s" argument in the next major version of its %s "%s", not defining it is deprecated.', $method->name, $parameterType ? $parameterType.' ' : '', $parameterName, interface_exists($className) ? 'interface' : 'parent class', $className);
}
}
}
$finals = isset(self::$final[$class]) || $refl->isFinal() ? [] : [
'finalConstants' => $refl->getReflectionConstants(\ReflectionClassConstant::IS_PUBLIC | \ReflectionClassConstant::IS_PROTECTED),
'finalProperties' => $refl->getProperties(\ReflectionProperty::IS_PUBLIC | \ReflectionProperty::IS_PROTECTED),
];
foreach ($finals as $type => $reflectors) {
foreach ($reflectors as $r) {
if ($r->class !== $class) {
continue;
}
$doc = $this->parsePhpDoc($r);
foreach ($parentAndOwnInterfaces as $use) {
if (isset(self::${$type}[$use][$r->name]) && !isset($doc['deprecated']) && ('finalConstants' === $type || substr($use, 0, strrpos($use, '\\')) !== substr($use, 0, strrpos($class, '\\')))) {
$msg = 'finalConstants' === $type ? '%s" constant' : '$%s" property';
$deprecations[] = \sprintf('The "%s::'.$msg.' is considered final. You should not override it in "%s".', self::${$type}[$use][$r->name], $r->name, $class);
}
}
if (isset($doc['final']) || ('finalProperties' === $type && str_starts_with($class, 'Symfony\\') && !$r->hasType())) {
self::${$type}[$class][$r->name] = $class;
}
}
}
return $deprecations;
}
public function checkCase(\ReflectionClass $refl, string $file, string $class): ?array
{
$real = explode('\\', $class.strrchr($file, '.'));
$tail = explode(\DIRECTORY_SEPARATOR, str_replace('/', \DIRECTORY_SEPARATOR, $file));
$i = \count($tail) - 1;
$j = \count($real) - 1;
while (isset($tail[$i], $real[$j]) && $tail[$i] === $real[$j]) {
--$i;
--$j;
}
array_splice($tail, 0, $i + 1);
if (!$tail) {
return null;
}
$tail = \DIRECTORY_SEPARATOR.implode(\DIRECTORY_SEPARATOR, $tail);
$tailLen = \strlen($tail);
$real = $refl->getFileName();
if (2 === self::$caseCheck) {
$real = $this->darwinRealpath($real);
}
if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true)
&& 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false)
) {
return [substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1)];
}
return null;
}
/**
* `realpath` on MacOSX doesn't normalize the case of characters.
*/
private function darwinRealpath(string $real): string
{
$i = 1 + strrpos($real, '/');
$file = substr($real, $i);
$real = substr($real, 0, $i);
if (isset(self::$darwinCache[$real])) {
$kDir = $real;
} else {
$kDir = strtolower($real);
if (isset(self::$darwinCache[$kDir])) {
$real = self::$darwinCache[$kDir][0];
} else {
$dir = getcwd();
if (!@chdir($real)) {
return $real.$file;
}
$real = getcwd().'/';
chdir($dir);
$dir = $real;
$k = $kDir;
$i = \strlen($dir) - 1;
while (!isset(self::$darwinCache[$k])) {
self::$darwinCache[$k] = [$dir, []];
self::$darwinCache[$dir] = &self::$darwinCache[$k];
while ('/' !== $dir[--$i]) {
}
$k = substr($k, 0, ++$i);
$dir = substr($dir, 0, $i--);
}
}
}
$dirFiles = self::$darwinCache[$kDir][1];
if (!isset($dirFiles[$file]) && str_ends_with($file, ') : eval()\'d code')) {
// Get the file name from "file_name.php(123) : eval()'d code"
$file = substr($file, 0, strrpos($file, '(', -17));
}
if (isset($dirFiles[$file])) {
return $real.$dirFiles[$file];
}
$kFile = strtolower($file);
if (!isset($dirFiles[$kFile])) {
foreach (scandir($real, 2) as $f) {
if ('.' !== $f[0]) {
$dirFiles[$f] = $f;
if ($f === $file) {
$kFile = $file;
} elseif ($f !== $k = strtolower($f)) {
$dirFiles[$k] = $f;
}
}
}
self::$darwinCache[$kDir][1] = $dirFiles;
}
return $real.$dirFiles[$kFile];
}
/**
* `class_implements` includes interfaces from the parents so we have to manually exclude them.
*
* @return string[]
*/
private function getOwnInterfaces(string $class, ?string $parent): array
{
$ownInterfaces = class_implements($class, false);
if ($parent) {
foreach (class_implements($parent, false) as $interface) {
unset($ownInterfaces[$interface]);
}
}
foreach ($ownInterfaces as $interface) {
foreach (class_implements($interface) as $interface) {
unset($ownInterfaces[$interface]);
}
}
return $ownInterfaces;
}
private function setReturnType(string $types, string $class, string $method, string $filename, ?string $parent, ?\ReflectionType $returnType = null): void
{
if ('__construct' === $method) {
return;
}
if ('null' === $types) {
self::$returnTypes[$class][$method] = ['null', 'null', $class, $filename];
return;
}
if ($nullable = str_starts_with($types, 'null|')) {
$types = substr($types, 5);
} elseif ($nullable = str_ends_with($types, '|null')) {
$types = substr($types, 0, -5);
}
$arrayType = ['array' => 'array'];
$typesMap = [];
$glue = str_contains($types, '&') ? '&' : '|';
foreach (explode($glue, $types) as $t) {
$t = self::SPECIAL_RETURN_TYPES[strtolower($t)] ?? $t;
$typesMap[$this->normalizeType($t, $class, $parent, $returnType)][$t] = $t;
}
if (isset($typesMap['array'])) {
if (isset($typesMap['Traversable']) || isset($typesMap['\Traversable'])) {
$typesMap['iterable'] = $arrayType !== $typesMap['array'] ? $typesMap['array'] : ['iterable'];
unset($typesMap['array'], $typesMap['Traversable'], $typesMap['\Traversable']);
} elseif ($arrayType !== $typesMap['array'] && isset(self::$returnTypes[$class][$method]) && !$returnType) {
return;
}
}
if (isset($typesMap['array']) && isset($typesMap['iterable'])) {
if ($arrayType !== $typesMap['array']) {
$typesMap['iterable'] = $typesMap['array'];
}
unset($typesMap['array']);
}
$iterable = $object = true;
foreach ($typesMap as $n => $t) {
if ('null' !== $n) {
$iterable = $iterable && (\in_array($n, ['array', 'iterable']) || str_contains($n, 'Iterator'));
$object = $object && (\in_array($n, ['callable', 'object', '$this', 'static']) || !isset(self::SPECIAL_RETURN_TYPES[$n]));
}
}
$phpTypes = [];
$docTypes = [];
foreach ($typesMap as $n => $t) {
if (str_contains($n, '::')) {
[$definingClass, $constantName] = explode('::', $n, 2);
$definingClass = match ($definingClass) {
'self', 'static', 'parent' => $class,
default => $definingClass,
};
if (!\defined($definingClass.'::'.$constantName)) {
return;
}
$constant = new \ReflectionClassConstant($definingClass, $constantName);
if (\PHP_VERSION_ID >= 80300 && $constantType = $constant->getType()) {
if ($constantType instanceof \ReflectionNamedType) {
$n = $constantType->getName();
} else {
return;
}
} else {
$n = \gettype($constant->getValue());
}
}
if ('null' === $n) {
$nullable = true;
continue;
}
$docTypes[] = $t;
if ('mixed' === $n || 'void' === $n) {
$nullable = false;
$phpTypes = ['' => $n];
continue;
}
if ('resource' === $n) {
// there is no native type for "resource"
return;
}
if (!preg_match('/^(?:\\\\?[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*)+$/', $n)) {
// exclude any invalid PHP class name (e.g. `Cookie::SAMESITE_*`)
continue;
}
if (!isset($phpTypes['']) && !\in_array($n, $phpTypes, true)) {
$phpTypes[] = $n;
}
}
$docTypes = array_merge([], ...$docTypes);
if (!$phpTypes) {
return;
}
if (1 < \count($phpTypes)) {
if ($iterable && '8.0' > $this->patchTypes['php']) {
$phpTypes = $docTypes = ['iterable'];
} elseif ($object && 'object' === $this->patchTypes['force']) {
$phpTypes = $docTypes = ['object'];
} elseif ('8.0' > $this->patchTypes['php']) {
// ignore multi-types return declarations
return;
}
}
$phpType = \sprintf($nullable ? (1 < \count($phpTypes) ? '%s|null' : '?%s') : '%s', implode($glue, $phpTypes));
$docType = \sprintf($nullable ? '%s|null' : '%s', implode($glue, $docTypes));
self::$returnTypes[$class][$method] = [$phpType, $docType, $class, $filename];
}
private function normalizeType(string $type, string $class, ?string $parent, ?\ReflectionType $returnType): string
{
if (isset(self::SPECIAL_RETURN_TYPES[$lcType = strtolower($type)])) {
if ('parent' === $lcType = self::SPECIAL_RETURN_TYPES[$lcType]) {
$lcType = null !== $parent ? '\\'.$parent : 'parent';
} elseif ('self' === $lcType) {
$lcType = '\\'.$class;
}
return $lcType;
}
// We could resolve "use" statements to return the FQDN
// but this would be too expensive for a runtime checker
if (!str_ends_with($type, '[]')) {
return $type;
}
if ($returnType instanceof \ReflectionNamedType) {
$type = $returnType->getName();
if ('mixed' !== $type) {
return isset(self::SPECIAL_RETURN_TYPES[$type]) ? $type : '\\'.$type;
}
}
return 'array';
}
/**
* Utility method to add #[ReturnTypeWillChange] where php triggers deprecations.
*/
private function patchReturnTypeWillChange(\ReflectionMethod $method): void
{
if (\count($method->getAttributes(\ReturnTypeWillChange::class))) {
return;
}
if (!is_file($file = $method->getFileName())) {
return;
}
$fileOffset = self::$fileOffsets[$file] ?? 0;
$code = file($file);
$startLine = $method->getStartLine() + $fileOffset - 2;
if (false !== stripos($code[$startLine], 'ReturnTypeWillChange')) {
return;
}
$code[$startLine] .= " #[\\ReturnTypeWillChange]\n";
self::$fileOffsets[$file] = 1 + $fileOffset;
file_put_contents($file, $code);
}
/**
* Utility method to add @return annotations to the Symfony code-base where it triggers self-deprecations.
*/
private function patchMethod(\ReflectionMethod $method, string $returnType, string $declaringFile, string $normalizedType): void
{
static $patchedMethods = [];
static $useStatements = [];
if (!is_file($file = $method->getFileName()) || isset($patchedMethods[$file][$startLine = $method->getStartLine()])) {
return;
}
$patchedMethods[$file][$startLine] = true;