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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\ErrorHandler;
use Doctrine\Common\Persistence\Proxy as LegacyProxy;
use Doctrine\Persistence\Proxy;
use Mockery\MockInterface;
use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
use PHPUnit\Framework\MockObject\MockObject;
use Prophecy\Prophecy\ProphecySubjectInterface;
use ProxyManager\Proxy\ProxyInterface;
/**
* 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:
* - "docblock" to patch only docblock annotations
* - "object" to turn union types to the "object" type when possible (not recommended)
* - "1" to add all possible return types including magic methods
* - "0" to add possible return types excluding magic 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 <fabien@symfony.com>
* @author Christophe Coevoet <stof@notk.org>
* @author Nicolas Grekas <p@tchwork.com>
* @author Guilhem Niot <guilhem.niot@gmail.com>
*/
class DebugClassLoader
{
private const SPECIAL_RETURN_TYPES = [
'void' => 'void',
'null' => 'null',
'resource' => 'resource',
'boolean' => 'bool',
'true' => 'bool',
'false' => 'bool',
'integer' => 'int',
'array' => 'array',
'bool' => 'bool',
'callable' => 'callable',
'float' => 'float',
'int' => 'int',
'iterable' => 'iterable',
'object' => 'object',
'string' => 'string',
'self' => 'self',
'parent' => 'parent',
'mixed' => 'mixed',
] + (\PHP_VERSION_ID >= 80000 ? [
'static' => 'static',
'$this' => 'static',
] : [
'static' => 'object',
'$this' => 'object',
]);
private const BUILTIN_RETURN_TYPES = [
'void' => true,
'array' => true,
'bool' => true,
'callable' => true,
'float' => true,
'int' => true,
'iterable' => true,
'object' => true,
'string' => true,
'self' => true,
'parent' => true,
] + (\PHP_VERSION_ID >= 80000 ? [
'mixed' => true,
'static' => true,
] : []);
private const MAGIC_METHODS = [
'__set' => 'void',
'__isset' => 'bool',
'__unset' => 'void',
'__sleep' => 'array',
'__wakeup' => 'void',
'__toString' => 'string',
'__clone' => 'void',
'__debugInfo' => 'array',
'__serialize' => 'array',
'__unserialize' => 'void',
];
private const INTERNAL_TYPES = [
'ArrayAccess' => [
'offsetExists' => 'bool',
'offsetSet' => 'void',
'offsetUnset' => 'void',
],
'Countable' => [
'count' => 'int',
],
'Iterator' => [
'next' => 'void',
'valid' => 'bool',
'rewind' => 'void',
],
'IteratorAggregate' => [
'getIterator' => '\Traversable',
],
'OuterIterator' => [
'getInnerIterator' => '\Iterator',
],
'RecursiveIterator' => [
'hasChildren' => 'bool',
],
'SeekableIterator' => [
'seek' => 'void',
],
'Serializable' => [
'serialize' => 'string',
'unserialize' => 'void',
],
'SessionHandlerInterface' => [
'open' => 'bool',
'close' => 'bool',
'read' => 'string',
'write' => 'bool',
'destroy' => 'bool',
'gc' => 'bool',
],
'SessionIdInterface' => [
'create_sid' => 'string',
],
'SessionUpdateTimestampHandlerInterface' => [
'validateId' => 'bool',
'updateTimestamp' => 'bool',
],
'Throwable' => [
'getMessage' => 'string',
'getCode' => 'int',
'getFile' => 'string',
'getLine' => 'int',
'getTrace' => 'array',
'getPrevious' => '?\Throwable',
'getTraceAsString' => 'string',
],
];
private $classLoader;
private $isFinder;
private $loaded = [];
private $patchTypes;
private static $caseCheck;
private static $checkedClasses = [];
private static $final = [];
private static $finalMethods = [];
private static $deprecated = [];
private static $internal = [];
private static $internalMethods = [];
private static $annotatedParameters = [];
private static $darwinCache = ['/' => ['/', []]];
private static $method = [];
private static $returnTypes = [];
private static $methodTraits = [];
private static $fileOffsets = [];
public function __construct(callable $classLoader)
{
$this->classLoader = $classLoader;
$this->isFinder = \is_array($classLoader) && method_exists($classLoader[0], 'findFile');
parse_str(getenv('SYMFONY_PATCH_TYPE_DECLARATIONS') ?: '', $this->patchTypes);
$this->patchTypes += [
'force' => null,
'php' => null,
'deprecations' => false,
];
if (!isset(self::$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 (substr($test, -\strlen($file)) === $file) {
// filesystem is case insensitive and realpath() normalizes the case of characters
self::$caseCheck = 1;
} elseif (false !== stripos(\PHP_OS, 'darwin')) {
// 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;
}
}
}
/**
* Gets the wrapped class loader.
*
* @return callable The wrapped class loader
*/
public function getClassLoader(): callable
{
return $this->classLoader;
}
/**
* Wraps all autoloaders.
*/
public static function enable(): void
{
// Ensures we don't hit https://bugs.php.net/42098
class_exists(\Symfony\Component\ErrorHandler\ErrorHandler::class);
class_exists(\Psr\Log\LogLevel::class);
if (!\is_array($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[$i], ProphecySubjectInterface::class)
&& !is_subclass_of($symbols[$i], Proxy::class)
&& !is_subclass_of($symbols[$i], ProxyInterface::class)
&& !is_subclass_of($symbols[$i], LegacyProxy::class)
&& !is_subclass_of($symbols[$i], MockInterface::class)
) {
$loader->checkClass($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 (false !== strpos($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 = [];
$className = false !== strpos($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));
}
// Detect annotations on the class
if (false !== $doc = $refl->getDocComment()) {
foreach (['final', 'deprecated', 'internal'] as $annotation) {
if (false !== strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$|\r?\n)#s', $doc, $notice)) {
self::${$annotation}[$class] = isset($notice[1]) ? preg_replace('#\.?\r?\n( \*)? *(?= |\r?\n|$)#', '', $notice[1]) : '';
}
}
if ($refl->isInterface() && false !== strpos($doc, 'method') && preg_match_all('#\n \* @method\s+(static\s+)?+([\w\|&\[\]\\\]+\s+)?(\w+(?:\s*\([^\)]*\))?)+(.+?([[:punct:]]\s*)?)?(?=\r?\n \*(?: @|/$|\r?\n))#', $doc, $notice, \PREG_SET_ORDER)) {
foreach ($notice as $method) {
$static = '' !== $method[1] && !empty($method[2]);
$name = $method[3];
$description = $method[4] ?? null;
if (false === strpos($name, '(')) {
$name .= '()';
}
if (null !== $description) {
$description = trim($description);
if (!isset($method[5])) {
$description .= '.';
}
}
self::$method[$class][] = [$class, $name, $static, $description];
}
}
}
$parent = get_parent_class($class) ?: null;
$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()) {
$hasCall = $refl->hasMethod('__call');
$hasStaticCall = $refl->hasMethod('__callStatic');
foreach (self::$method[$use] as $method) {
[$interface, $name, $static, $description] = $method;
if ($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', $className, ($static ? 'static ' : '').$interface, $name, 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[$class] = [];
self::$returnTypes[$class] = [];
foreach ($parentAndOwnInterfaces as $use) {
foreach (['finalMethods', 'internalMethods', 'annotatedParameters', 'returnTypes'] as $property) {
if (isset(self::${$property}[$use])) {
self::${$property}[$class] = self::${$property}[$class] ? self::${$property}[$use] + self::${$property}[$class] : self::${$property}[$use];
}
}
if (null !== (self::INTERNAL_TYPES[$use] ?? null)) {
foreach (self::INTERNAL_TYPES[$use] as $method => $returnType) {
if ('void' !== $returnType) {
self::$returnTypes[$class] += [$method => [$returnType, $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 = $method->getDocComment();
if (isset(self::$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[$parameterName]) && !($doc && preg_match("/\\n\\s+\\* @param +((?(?!callable *\().*?|callable *\(.*\).*?))(?<= )\\\${$parameterName}\\b/", $doc))) {
$deprecations[] = sprintf($deprecation, $className);
}
}
}
$forcePatchTypes = $this->patchTypes['force'];
if ($canAddReturnType = null !== $forcePatchTypes && false === strpos($method->getFileName(), \DIRECTORY_SEPARATOR.'vendor'.\DIRECTORY_SEPARATOR)) {
if ('void' !== (self::MAGIC_METHODS[$method->name] ?? 'void')) {
$this->patchTypes['force'] = $forcePatchTypes ?: 'docblock';
}
$canAddReturnType = false !== strpos($refl->getFileName(), \DIRECTORY_SEPARATOR.'Tests'.\DIRECTORY_SEPARATOR)
|| $refl->isFinal()
|| $method->isFinal()
|| $method->isPrivate()
|| ('' === (self::$internal[$class] ?? null) && !$refl->isAbstract())
|| '' === (self::$final[$class] ?? null)
|| preg_match('/@(final|internal)$/m', $doc)
;
}
if (null !== ($returnType = self::$returnTypes[$class][$method->name] ?? self::MAGIC_METHODS[$method->name] ?? null) && !$method->hasReturnType() && !($doc && preg_match('/\n\s+\* @return +(\S+)/', $doc))) {
[$normalizedType, $returnType, $declaringClass, $declaringFile] = \is_string($returnType) ? [$returnType, $returnType, '', ''] : $returnType;
if ('void' === $normalizedType) {
$canAddReturnType = false;
}
if ($canAddReturnType && 'docblock' !== $this->patchTypes['force']) {
$this->patchMethod($method, $returnType, $declaringFile, $normalizedType);
}
if (false === strpos($doc, '* @deprecated') && strncmp($ns, $declaringClass, $len)) {
if ($canAddReturnType && 'docblock' === $this->patchTypes['force'] && false === strpos($method->getFileName(), \DIRECTORY_SEPARATOR.'vendor'.\DIRECTORY_SEPARATOR)) {
$this->patchMethod($method, $returnType, $declaringFile, $normalizedType);
} elseif ('' !== $declaringClass && $this->patchTypes['deprecations']) {
$deprecations[] = sprintf('Method "%s::%s()" will return "%s" as of its next major version. Doing the same in %s "%s" will be required when upgrading.', $declaringClass, $method->name, $normalizedType, interface_exists($declaringClass) ? 'implementation' : 'child class', $className);
}
}
}
if (!$doc) {
$this->patchTypes['force'] = $forcePatchTypes;
continue;
}
$matches = [];
if (!$method->hasReturnType() && ((false !== strpos($doc, '@return') && preg_match('/\n\s+\* @return +(\S+)/', $doc, $matches)) || 'void' !== (self::MAGIC_METHODS[$method->name] ?? 'void'))) {
$matches = $matches ?: [1 => self::MAGIC_METHODS[$method->name]];
$this->setReturnType($matches[1], $method, $parent);
if (isset(self::$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 $annotation) {
if (false !== strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$|\r?\n)#s', $doc, $notice)) {
$message = isset($notice[1]) ? preg_replace('#\.?\r?\n( \*)? *(?= |\r?\n|$)#', '', $notice[1]) : '';
self::${$annotation.'Methods'}[$class][$method->name] = [$class, $message];
$finalOrInternal = true;
}
}
if ($finalOrInternal || $method->isConstructor() || false === strpos($doc, '@param') || StatelessInvocation::class === $class) {
continue;
}
if (!preg_match_all('#\n\s+\* @param +((?(?!callable *\().*?|callable *\(.*\).*?))(?<= )\$([a-zA-Z0-9_\x7f-\xff]++)#', $doc, $matches, \PREG_SET_ORDER)) {
continue;
}
if (!isset(self::$annotatedParameters[$class][$method->name])) {
$definedParameters = [];
foreach ($method->getParameters() as $parameter) {
$definedParameters[$parameter->name] = true;
}
}
foreach ($matches as [, $parameterType, $parameterName]) {
if (!isset($definedParameters[$parameterName])) {
$parameterType = trim($parameterType);
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);
}
}
}
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[$file]) && ') : eval()\'d code' === substr($file, -17)) {
// 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 = $k = $file;
} elseif ($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, \ReflectionMethod $method, ?string $parent): void
{
$nullable = false;
$typesMap = [];
foreach (explode('|', $types) as $t) {
$typesMap[$this->normalizeType($t, $method->class, $parent)] = $t;
}
if (isset($typesMap['array'])) {
if (isset($typesMap['Traversable']) || isset($typesMap['\Traversable'])) {
$typesMap['iterable'] = 'array' !== $typesMap['array'] ? $typesMap['array'] : 'iterable';
unset($typesMap['array'], $typesMap['Traversable'], $typesMap['\Traversable']);
} elseif ('array' !== $typesMap['array'] && isset(self::$returnTypes[$method->class][$method->name])) {
return;
}
}
if (isset($typesMap['array']) && isset($typesMap['iterable'])) {
if ('[]' === substr($typesMap['array'], -2)) {
$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']) || false !== strpos($n, 'Iterator'));
$object = $object && (\in_array($n, ['callable', 'object', '$this', 'static']) || !isset(self::SPECIAL_RETURN_TYPES[$n]));
}
}
$normalizedType = key($typesMap);
$returnType = current($typesMap);
foreach ($typesMap as $n => $t) {
if ('null' === $n) {
$nullable = true;
} elseif ('null' === $normalizedType) {
$normalizedType = $t;
$returnType = $t;
} elseif ($n !== $normalizedType || !preg_match('/^\\\\?[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+$/', $n)) {
if ($iterable) {
$normalizedType = $returnType = 'iterable';
} elseif ($object && 'object' === $this->patchTypes['force']) {
$normalizedType = $returnType = 'object';
} else {
// ignore multi-types return declarations
return;
}
}
}
if ('void' === $normalizedType || (\PHP_VERSION_ID >= 80000 && 'mixed' === $normalizedType)) {
$nullable = false;
} elseif (!isset(self::BUILTIN_RETURN_TYPES[$normalizedType]) && isset(self::SPECIAL_RETURN_TYPES[$normalizedType])) {
// ignore other special return types
return;
}
if ($nullable) {
$normalizedType = '?'.$normalizedType;
$returnType .= '|null';
}
self::$returnTypes[$method->class][$method->name] = [$normalizedType, $returnType, $method->class, $method->getFileName()];
}
private function normalizeType(string $type, string $class, ?string $parent): string
{
if (isset(self::SPECIAL_RETURN_TYPES[$lcType = strtolower($type)])) {
if ('parent' === $lcType = self::SPECIAL_RETURN_TYPES[$lcType]) {
$lcType = null !== $parent ? '\\'.$parent : 'parent';
} elseif ('self' === $lcType) {
$lcType = '\\'.$class;
}
return $lcType;
}
if ('[]' === substr($type, -2)) {
return 'array';
}
if (preg_match('/^(array|iterable|callable) *[<(]/', $lcType, $m)) {
return $m[1];
}
// We could resolve "use" statements to return the FQDN
// but this would be too expensive for a runtime checker
return $type;
}
/**
* Utility method to add @return annotations to the Symfony code-base where it triggers a self-deprecations.
*/
private function patchMethod(\ReflectionMethod $method, string $returnType, string $declaringFile, string $normalizedType)
{
static $patchedMethods = [];
static $useStatements = [];
if (!is_file($file = $method->getFileName()) || isset($patchedMethods[$file][$startLine = $method->getStartLine()])) {
return;
}
$patchedMethods[$file][$startLine] = true;
$fileOffset = self::$fileOffsets[$file] ?? 0;
$startLine += $fileOffset - 2;
$nullable = '?' === $normalizedType[0] ? '?' : '';
$normalizedType = ltrim($normalizedType, '?');
$returnType = explode('|', $returnType);
$code = file($file);
foreach ($returnType as $i => $type) {
if (preg_match('/((?:\[\])+)$/', $type, $m)) {
$type = substr($type, 0, -\strlen($m[1]));
$format = '%s'.$m[1];
} elseif (preg_match('/^(array|iterable)<([^,>]++)>$/', $type, $m)) {
$type = $m[2];
$format = $m[1].'<%s>';
} else {
$format = null;
}
if (isset(self::SPECIAL_RETURN_TYPES[$type]) || ('\\' === $type[0] && !$p = strrpos($type, '\\', 1))) {
continue;
}
[$namespace, $useOffset, $useMap] = $useStatements[$file] ?? $useStatements[$file] = self::getUseStatements($file);
if ('\\' !== $type[0]) {
[$declaringNamespace, , $declaringUseMap] = $useStatements[$declaringFile] ?? $useStatements[$declaringFile] = self::getUseStatements($declaringFile);
$p = strpos($type, '\\', 1);
$alias = $p ? substr($type, 0, $p) : $type;
if (isset($declaringUseMap[$alias])) {
$type = '\\'.$declaringUseMap[$alias].($p ? substr($type, $p) : '');
} else {
$type = '\\'.$declaringNamespace.$type;
}
$p = strrpos($type, '\\', 1);
}
$alias = substr($type, 1 + $p);
$type = substr($type, 1);
if (!isset($useMap[$alias]) && (class_exists($c = $namespace.$alias) || interface_exists($c) || trait_exists($c))) {
$useMap[$alias] = $c;
}
if (!isset($useMap[$alias])) {
$useStatements[$file][2][$alias] = $type;
$code[$useOffset] = "use $type;\n".$code[$useOffset];
++$fileOffset;
} elseif ($useMap[$alias] !== $type) {
$alias .= 'FIXME';
$useStatements[$file][2][$alias] = $type;
$code[$useOffset] = "use $type as $alias;\n".$code[$useOffset];
++$fileOffset;
}
$returnType[$i] = null !== $format ? sprintf($format, $alias) : $alias;
if (!isset(self::SPECIAL_RETURN_TYPES[$normalizedType]) && !isset(self::SPECIAL_RETURN_TYPES[$returnType[$i]])) {
$normalizedType = $returnType[$i];
}
}
if ('docblock' === $this->patchTypes['force'] || ('object' === $normalizedType && '7.1' === $this->patchTypes['php'])) {
$returnType = implode('|', $returnType);
if ($method->getDocComment()) {
$code[$startLine] = " * @return $returnType\n".$code[$startLine];
} else {
$code[$startLine] .= <<<EOTXT
/**
* @return $returnType
*/
EOTXT;
}
$fileOffset += substr_count($code[$startLine], "\n") - 1;
}
self::$fileOffsets[$file] = $fileOffset;
file_put_contents($file, $code);
$this->fixReturnStatements($method, $nullable.$normalizedType);
}
private static function getUseStatements(string $file): array
{
$namespace = '';
$useMap = [];
$useOffset = 0;
if (!is_file($file)) {
return [$namespace, $useOffset, $useMap];
}
$file = file($file);
for ($i = 0; $i < \count($file); ++$i) {
if (preg_match('/^(class|interface|trait|abstract) /', $file[$i])) {
break;
}
if (0 === strpos($file[$i], 'namespace ')) {
$namespace = substr($file[$i], \strlen('namespace '), -2).'\\';
$useOffset = $i + 2;
}
if (0 === strpos($file[$i], 'use ')) {
$useOffset = $i;
for (; 0 === strpos($file[$i], 'use '); ++$i) {
$u = explode(' as ', substr($file[$i], 4, -2), 2);
if (1 === \count($u)) {
$p = strrpos($u[0], '\\');
$useMap[substr($u[0], false !== $p ? 1 + $p : 0)] = $u[0];
} else {
$useMap[$u[1]] = $u[0];
}
}
break;
}
}
return [$namespace, $useOffset, $useMap];
}
private function fixReturnStatements(\ReflectionMethod $method, string $returnType)
{
if ('7.1' === $this->patchTypes['php'] && 'object' === ltrim($returnType, '?') && 'docblock' !== $this->patchTypes['force']) {
return;
}
if (!is_file($file = $method->getFileName())) {
return;
}
$fixedCode = $code = file($file);
$i = (self::$fileOffsets[$file] ?? 0) + $method->getStartLine();
if ('?' !== $returnType && 'docblock' !== $this->patchTypes['force']) {
$fixedCode[$i - 1] = preg_replace('/\)(;?\n)/', "): $returnType\\1", $code[$i - 1]);
}
$end = $method->isGenerator() ? $i : $method->getEndLine();
for (; $i < $end; ++$i) {
if ('void' === $returnType) {
$fixedCode[$i] = str_replace(' return null;', ' return;', $code[$i]);
} elseif ('mixed' === $returnType || '?' === $returnType[0]) {
$fixedCode[$i] = str_replace(' return;', ' return null;', $code[$i]);
} else {
$fixedCode[$i] = str_replace(' return;', " return $returnType!?;", $code[$i]);
}
}
if ($fixedCode !== $code) {
file_put_contents($file, $fixedCode);
}
}
}