X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;ds=sidebyside;f=vendor%2Fsymfony%2Fdebug%2FDebugClassLoader.php;fp=vendor%2Fsymfony%2Fdebug%2FDebugClassLoader.php;h=33e715a869737a3c494836840664247470faf12e;hb=9917807b03b64faf00f6a1f29dcb6eafc454efa5;hp=a6a5cd7af09d36c404ffb58bb9d5fc9e8cb0ac41;hpb=aea91e65e895364e460983b890e295aa5d5540a5;p=yaffs-website diff --git a/vendor/symfony/debug/DebugClassLoader.php b/vendor/symfony/debug/DebugClassLoader.php index a6a5cd7af..33e715a86 100644 --- a/vendor/symfony/debug/DebugClassLoader.php +++ b/vendor/symfony/debug/DebugClassLoader.php @@ -26,29 +26,21 @@ class DebugClassLoader { private $classLoader; private $isFinder; - private $wasFinder; + private $loaded = array(); private static $caseCheck; + private static $checkedClasses = array(); + private static $final = array(); + private static $finalMethods = array(); private static $deprecated = array(); - private static $php7Reserved = array('int', 'float', 'bool', 'string', 'true', 'false', 'null'); + private static $internal = array(); + private static $internalMethods = array(); + private static $php7Reserved = array('int' => 1, 'float' => 1, 'bool' => 1, 'string' => 1, 'true' => 1, 'false' => 1, 'null' => 1); private static $darwinCache = array('/' => array('/', array())); - /** - * Constructor. - * - * @param callable|object $classLoader Passing an object is @deprecated since version 2.5 and support for it will be removed in 3.0 - */ - public function __construct($classLoader) + public function __construct(callable $classLoader) { - $this->wasFinder = is_object($classLoader) && method_exists($classLoader, 'findFile'); - - if ($this->wasFinder) { - @trigger_error('The '.__METHOD__.' method will no longer support receiving an object into its $classLoader argument in 3.0.', E_USER_DEPRECATED); - $this->classLoader = array($classLoader, 'loadClass'); - $this->isFinder = true; - } else { - $this->classLoader = $classLoader; - $this->isFinder = is_array($classLoader) && method_exists($classLoader[0], 'findFile'); - } + $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); @@ -77,11 +69,11 @@ class DebugClassLoader /** * Gets the wrapped class loader. * - * @return callable|object A class loader. Since version 2.5, returning an object is @deprecated and support for it will be removed in 3.0 + * @return callable The wrapped class loader */ public function getClassLoader() { - return $this->wasFinder ? $this->classLoader[0] : $this->classLoader; + return $this->classLoader; } /** @@ -132,24 +124,6 @@ class DebugClassLoader } } - /** - * Finds a file by class name. - * - * @param string $class A class name to resolve to file - * - * @return string|null - * - * @deprecated since version 2.5, to be removed in 3.0. - */ - public function findFile($class) - { - @trigger_error('The '.__METHOD__.' method is deprecated since version 2.5 and will be removed in 3.0.', E_USER_DEPRECATED); - - if ($this->wasFinder) { - return $this->classLoader[0]->findFile($class); - } - } - /** * Loads the given class or interface. * @@ -161,92 +135,153 @@ class DebugClassLoader */ public function loadClass($class) { - ErrorHandler::stackErrors(); + $e = error_reporting(error_reporting() | E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR); try { - if ($this->isFinder) { - if ($file = $this->classLoader[0]->findFile($class)) { - require_once $file; + if ($this->isFinder && !isset($this->loaded[$class])) { + $this->loaded[$class] = true; + if ($file = $this->classLoader[0]->findFile($class) ?: false) { + $wasCached = \function_exists('opcache_is_script_cached') && @opcache_is_script_cached($file); + + require $file; + + if ($wasCached) { + return; + } } } else { call_user_func($this->classLoader, $class); $file = false; } - } catch (\Exception $e) { - ErrorHandler::unstackErrors(); - - throw $e; - } catch (\Throwable $e) { - ErrorHandler::unstackErrors(); - - throw $e; + } finally { + error_reporting($e); } - ErrorHandler::unstackErrors(); + $this->checkClass($class, $file); + } - $exists = class_exists($class, false) || interface_exists($class, false) || (function_exists('trait_exists') && trait_exists($class, false)); + private function checkClass($class, $file = null) + { + $exists = null === $file || \class_exists($class, false) || \interface_exists($class, false) || \trait_exists($class, false); - if ($class && '\\' === $class[0]) { + 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, $name)); + if ($name !== $class && 0 === \strcasecmp($name, $class)) { + throw new \RuntimeException(sprintf('Case mismatch between loaded and declared class names: "%s" vs "%s".', $class, $name)); } - if (in_array(strtolower($refl->getShortName()), self::$php7Reserved)) { - @trigger_error(sprintf('%s uses a reserved class name (%s) that will break on PHP 7 and higher', $name, $refl->getShortName()), E_USER_DEPRECATED); - } elseif (preg_match('#\n \* @deprecated (.*?)\r?\n \*(?: @|/$)#s', $refl->getDocComment(), $notice)) { - self::$deprecated[$name] = preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]); + // Don't trigger deprecations for classes in the same vendor + if (2 > $len = 1 + (\strpos($name, '\\') ?: \strpos($name, '_'))) { + $len = 0; + $ns = ''; } else { - if (2 > $len = 1 + (strpos($name, '\\', 1 + strpos($name, '\\')) ?: strpos($name, '_'))) { - $len = 0; - $ns = ''; - } else { - switch ($ns = substr($name, 0, $len)) { - case 'Symfony\Bridge\\': - case 'Symfony\Bundle\\': - case 'Symfony\Component\\': - $ns = 'Symfony\\'; - $len = strlen($ns); - break; + $ns = \substr($name, 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, $notice)) { + self::${$annotation}[$name] = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : ''; } } - $parent = get_parent_class($class); + } - if (!$parent || strncmp($ns, $parent, $len)) { - if ($parent && isset(self::$deprecated[$parent]) && strncmp($ns, $parent, $len)) { - @trigger_error(sprintf('The %s class extends %s that is deprecated %s', $name, $parent, self::$deprecated[$parent]), E_USER_DEPRECATED); - } + $parentAndTraits = \class_uses($name, false); + if ($parent = \get_parent_class($class)) { + $parentAndTraits[] = $parent; - $parentInterfaces = array(); - $deprecatedInterfaces = array(); - if ($parent) { - foreach (class_implements($parent) as $interface) { - $parentInterfaces[$interface] = 1; - } + if (!isset(self::$checkedClasses[$parent])) { + $this->checkClass($parent); + } + + if (isset(self::$final[$parent])) { + @trigger_error(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], $name), E_USER_DEPRECATED); + } + } + + // Detect if the parent is annotated + foreach ($parentAndTraits + $this->getOwnInterfaces($name, $parent) as $use) { + if (!isset(self::$checkedClasses[$use])) { + $this->checkClass($use); + } + if (isset(self::$deprecated[$use]) && \strncmp($ns, $use, $len)) { + $type = class_exists($name, false) ? 'class' : (interface_exists($name, false) ? 'interface' : 'trait'); + $verb = class_exists($use, false) || interface_exists($name, false) ? 'extends' : (interface_exists($use, false) ? 'implements' : 'uses'); + + @trigger_error(sprintf('The "%s" %s %s "%s" that is deprecated%s.', $name, $type, $verb, $use, self::$deprecated[$use]), E_USER_DEPRECATED); + } + if (isset(self::$internal[$use]) && \strncmp($ns, $use, $len)) { + @trigger_error(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], $name), E_USER_DEPRECATED); + } + } + + // Inherit @final and @internal annotations for methods + self::$finalMethods[$name] = array(); + self::$internalMethods[$name] = array(); + foreach ($parentAndTraits as $use) { + foreach (array('finalMethods', 'internalMethods') as $property) { + if (isset(self::${$property}[$use])) { + self::${$property}[$name] = self::${$property}[$name] ? self::${$property}[$use] + self::${$property}[$name] : self::${$property}[$use]; } + } + } - foreach ($refl->getInterfaceNames() as $interface) { - if (isset(self::$deprecated[$interface]) && strncmp($ns, $interface, $len)) { - $deprecatedInterfaces[] = $interface; - } - foreach (class_implements($interface) as $interface) { - $parentInterfaces[$interface] = 1; + $isClass = \class_exists($name, false); + foreach ($refl->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $method) { + if ($method->class !== $name) { + continue; + } + + // Method from a trait + if ($method->getFilename() !== $refl->getFileName()) { + continue; + } + + if ($isClass && $parent && isset(self::$finalMethods[$parent][$method->name])) { + list($declaringClass, $message) = self::$finalMethods[$parent][$method->name]; + @trigger_error(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, $name), E_USER_DEPRECATED); + } + + foreach ($parentAndTraits as $use) { + if (isset(self::$internalMethods[$use][$method->name])) { + list($declaringClass, $message) = self::$internalMethods[$use][$method->name]; + if (\strncmp($ns, $declaringClass, $len)) { + @trigger_error(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, $name), E_USER_DEPRECATED); } } + } - foreach ($deprecatedInterfaces as $interface) { - if (!isset($parentInterfaces[$interface])) { - @trigger_error(sprintf('The %s %s %s that is deprecated %s', $name, $refl->isInterface() ? 'interface extends' : 'class implements', $interface, self::$deprecated[$interface]), E_USER_DEPRECATED); - } + // Detect method annotations + if (false === $doc = $method->getDocComment()) { + continue; + } + + 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 \* +#', ' ', $notice[1]) : ''; + self::${$annotation.'Methods'}[$name][$method->name] = array($name, $message); } } } + + if (isset(self::$php7Reserved[\strtolower($refl->getShortName())])) { + @trigger_error(sprintf('The "%s" class uses the reserved name "%s", it will break on PHP 7 and higher', $name, $refl->getShortName()), E_USER_DEPRECATED); + } } if ($file) { @@ -339,11 +374,36 @@ class DebugClassLoader if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true) && 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false) ) { - throw new \RuntimeException(sprintf('Case mismatch between class and real file names: %s vs %s in %s', substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1))); + throw new \RuntimeException(sprintf('Case mismatch between class and real file names: "%s" vs "%s" in "%s".', substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1))); } } + } + } - return true; + /** + * `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; } }