472 lines
17 KiB
PHP
472 lines
17 KiB
PHP
<?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\Debug;
|
|
|
|
use PHPUnit\Framework\MockObject\Matcher\StatelessInvocation;
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @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 $classLoader;
|
|
private $isFinder;
|
|
private $loaded = array();
|
|
private static $caseCheck;
|
|
private static $checkedClasses = array();
|
|
private static $final = array();
|
|
private static $finalMethods = array();
|
|
private static $deprecated = array();
|
|
private static $internal = array();
|
|
private static $internalMethods = array();
|
|
private static $annotatedParameters = array();
|
|
private static $darwinCache = array('/' => array('/', array()));
|
|
|
|
public function __construct(callable $classLoader)
|
|
{
|
|
$this->classLoader = $classLoader;
|
|
$this->isFinder = \is_array($classLoader) && method_exists($classLoader[0], 'findFile');
|
|
|
|
if (!isset(self::$caseCheck)) {
|
|
$file = file_exists(__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()
|
|
{
|
|
return $this->classLoader;
|
|
}
|
|
|
|
/**
|
|
* Wraps all autoloaders.
|
|
*/
|
|
public static function enable()
|
|
{
|
|
// Ensures we don't hit https://bugs.php.net/42098
|
|
class_exists('Symfony\Component\Debug\ErrorHandler');
|
|
class_exists('Psr\Log\LogLevel');
|
|
|
|
if (!\is_array($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) {
|
|
$function = array(new static($function), 'loadClass');
|
|
}
|
|
|
|
spl_autoload_register($function);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disables the wrapping.
|
|
*/
|
|
public static function disable()
|
|
{
|
|
if (!\is_array($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);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads the given class or interface.
|
|
*
|
|
* @param string $class The name of the class
|
|
*
|
|
* @throws \RuntimeException
|
|
*/
|
|
public function loadClass($class)
|
|
{
|
|
$e = error_reporting(error_reporting() | E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR);
|
|
|
|
try {
|
|
if ($this->isFinder && !isset($this->loaded[$class])) {
|
|
$this->loaded[$class] = true;
|
|
if (!$file = $this->classLoader[0]->findFile($class) ?: false) {
|
|
// no-op
|
|
} elseif (\function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file)) {
|
|
require $file;
|
|
|
|
return;
|
|
} else {
|
|
require $file;
|
|
}
|
|
} else {
|
|
\call_user_func($this->classLoader, $class);
|
|
$file = false;
|
|
}
|
|
} finally {
|
|
error_reporting($e);
|
|
}
|
|
|
|
$this->checkClass($class, $file);
|
|
}
|
|
|
|
private function checkClass($class, $file = null)
|
|
{
|
|
$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, $class)
|
|
{
|
|
$deprecations = array();
|
|
|
|
// Don't trigger deprecations for classes in the same vendor
|
|
if (2 > $len = 1 + (\strpos($class, '\\') ?: \strpos($class, '_'))) {
|
|
$len = 0;
|
|
$ns = '';
|
|
} else {
|
|
$ns = \substr($class, 0, $len);
|
|
}
|
|
|
|
// Detect annotations on the class
|
|
if (false !== $doc = $refl->getDocComment()) {
|
|
foreach (array('final', 'deprecated', 'internal') as $annotation) {
|
|
if (false !== \strpos($doc, $annotation) && preg_match('#\n \* @'.$annotation.'(?:( .+?)\.?)?\r?\n \*(?: @|/$)#s', $doc, $notice)) {
|
|
self::${$annotation}[$class] = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
|
|
}
|
|
}
|
|
}
|
|
|
|
$parent = \get_parent_class($class);
|
|
$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], $class);
|
|
}
|
|
}
|
|
|
|
// Detect if the parent is annotated
|
|
foreach ($parentAndOwnInterfaces + \class_uses($class, false) as $use) {
|
|
if (!isset(self::$checkedClasses[$use])) {
|
|
$this->checkClass($use);
|
|
}
|
|
if (isset(self::$deprecated[$use]) && \strncmp($ns, $use, $len)) {
|
|
$type = class_exists($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.', $class, $type, $verb, $use, self::$deprecated[$use]);
|
|
}
|
|
if (isset(self::$internal[$use]) && \strncmp($ns, $use, $len)) {
|
|
$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], $class);
|
|
}
|
|
}
|
|
|
|
if (\trait_exists($class)) {
|
|
return $deprecations;
|
|
}
|
|
|
|
// Inherit @final, @internal and @param annotations for methods
|
|
self::$finalMethods[$class] = array();
|
|
self::$internalMethods[$class] = array();
|
|
self::$annotatedParameters[$class] = array();
|
|
foreach ($parentAndOwnInterfaces as $use) {
|
|
foreach (array('finalMethods', 'internalMethods', 'annotatedParameters') as $property) {
|
|
if (isset(self::${$property}[$use])) {
|
|
self::${$property}[$class] = self::${$property}[$class] ? self::${$property}[$use] + self::${$property}[$class] : self::${$property}[$use];
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ($refl->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $method) {
|
|
if ($method->class !== $class) {
|
|
continue;
|
|
}
|
|
|
|
if ($parent && isset(self::$finalMethods[$parent][$method->name])) {
|
|
list($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, $class);
|
|
}
|
|
|
|
if (isset(self::$internalMethods[$class][$method->name])) {
|
|
list($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, $class);
|
|
}
|
|
}
|
|
|
|
// To read method annotations
|
|
$doc = $method->getDocComment();
|
|
|
|
if (isset(self::$annotatedParameters[$class][$method->name])) {
|
|
$definedParameters = array();
|
|
foreach ($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 (.*?)(?<= )\\\${$parameterName}\\b/", $doc))) {
|
|
$deprecations[] = sprintf($deprecation, $class);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$doc) {
|
|
continue;
|
|
}
|
|
|
|
$finalOrInternal = false;
|
|
|
|
foreach (array('final', 'internal') as $annotation) {
|
|
if (false !== \strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$)#s', $doc, $notice)) {
|
|
$message = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
|
|
self::${$annotation.'Methods'}[$class][$method->name] = array($class, $message);
|
|
$finalOrInternal = true;
|
|
}
|
|
}
|
|
|
|
if ($finalOrInternal || $method->isConstructor() || false === \strpos($doc, '@param') || StatelessInvocation::class === $class) {
|
|
continue;
|
|
}
|
|
if (!preg_match_all('#\n\s+\* @param (.*?)(?<= )\$([a-zA-Z0-9_\x7f-\xff]++)#', $doc, $matches, PREG_SET_ORDER)) {
|
|
continue;
|
|
}
|
|
if (!isset(self::$annotatedParameters[$class][$method->name])) {
|
|
$definedParameters = array();
|
|
foreach ($method->getParameters() as $parameter) {
|
|
$definedParameters[$parameter->name] = true;
|
|
}
|
|
}
|
|
foreach ($matches as list(, $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 parent class "%s", not defining it is deprecated.', $method->name, $parameterType ? $parameterType.' ' : '', $parameterName, $method->class);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $deprecations;
|
|
}
|
|
|
|
public function checkCase(\ReflectionClass $refl, $file, $class)
|
|
{
|
|
$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;
|
|
}
|
|
|
|
$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, $tailLen, false)
|
|
) {
|
|
return array(substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* `realpath` on MacOSX doesn't normalize the case of characters.
|
|
*/
|
|
private function darwinRealpath($real)
|
|
{
|
|
$i = 1 + strrpos($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 {
|
|
$dir = getcwd();
|
|
chdir($real);
|
|
$real = getcwd().'/';
|
|
chdir($dir);
|
|
|
|
$dir = $real;
|
|
$k = $kDir;
|
|
$i = \strlen($dir) - 1;
|
|
while (!isset(self::$darwinCache[$k])) {
|
|
self::$darwinCache[$k] = array($dir, array());
|
|
self::$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])) {
|
|
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.
|
|
*
|
|
* @param string $class
|
|
* @param string|false $parent
|
|
*
|
|
* @return string[]
|
|
*/
|
|
private function getOwnInterfaces($class, $parent)
|
|
{
|
|
$ownInterfaces = class_implements($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;
|
|
}
|
|
}
|