jaeger-client -> opentelemetry

1 files changed, 138 insertions, 36 deletions

diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index 4d989a212..7824d8f7e 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -42,30 +42,76 @@ namespace Composer\Autoload;
  */
 class ClassLoader
 {
+    /** @var \Closure(string):void */
+    private static $includeFile;
+
+    /** @var string|null */
     private $vendorDir;
 
     // PSR-4
+    /**
+     * @var array<string, array<string, int>>
+     */
     private $prefixLengthsPsr4 = array();
+    /**
+     * @var array<string, list<string>>
+     */
     private $prefixDirsPsr4 = array();
+    /**
+     * @var list<string>
+     */
     private $fallbackDirsPsr4 = array();
 
     // PSR-0
+    /**
+     * List of PSR-0 prefixes
+     *
+     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
+     *
+     * @var array<string, array<string, list<string>>>
+     */
     private $prefixesPsr0 = array();
+    /**
+     * @var list<string>
+     */
     private $fallbackDirsPsr0 = array();
 
+    /** @var bool */
     private $useIncludePath = false;
+
+    /**
+     * @var array<string, string>
+     */
     private $classMap = array();
+
+    /** @var bool */
     private $classMapAuthoritative = false;
+
+    /**
+     * @var array<string, bool>
+     */
     private $missingClasses = array();
+
+    /** @var string|null */
     private $apcuPrefix;
 
+    /**
+     * @var array<string, self>
+     */
     private static $registeredLoaders = array();
 
+    /**
+     * @param string|null $vendorDir
+     */
     public function __construct($vendorDir = null)
     {
         $this->vendorDir = $vendorDir;
+        self::initializeIncludeClosure();
     }
 
+    /**
+     * @return array<string, list<string>>
+     */
     public function getPrefixes()
     {
         if (!empty($this->prefixesPsr0)) {
@@ -75,28 +121,42 @@ class ClassLoader
         return array();
     }
 
+    /**
+     * @return array<string, list<string>>
+     */
     public function getPrefixesPsr4()
     {
         return $this->prefixDirsPsr4;
     }
 
+    /**
+     * @return list<string>
+     */
     public function getFallbackDirs()
     {
         return $this->fallbackDirsPsr0;
     }
 
+    /**
+     * @return list<string>
+     */
     public function getFallbackDirsPsr4()
     {
         return $this->fallbackDirsPsr4;
     }
 
+    /**
+     * @return array<string, string> Array of classname => path
+     */
     public function getClassMap()
     {
         return $this->classMap;
     }
 
     /**
-     * @param array $classMap Class to filename map
+     * @param array<string, string> $classMap Class to filename map
+     *
+     * @return void
      */
     public function addClassMap(array $classMap)
     {
@@ -111,22 +171,25 @@ class ClassLoader
      * Registers a set of PSR-0 directories for a given prefix, either
      * appending or prepending to the ones previously set for this prefix.
      *
-     * @param string       $prefix  The prefix
-     * @param array|string $paths   The PSR-0 root directories
-     * @param bool         $prepend Whether to prepend the directories
+     * @param string              $prefix  The prefix
+     * @param list<string>|string $paths   The PSR-0 root directories
+     * @param bool                $prepend Whether to prepend the directories
+     *
+     * @return void
      */
     public function add($prefix, $paths, $prepend = false)
     {
+        $paths = (array) $paths;
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    (array) $paths,
+                    $paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    (array) $paths
+                    $paths
                 );
             }
 
@@ -135,19 +198,19 @@ class ClassLoader
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+            $this->prefixesPsr0[$first][$prefix] = $paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                (array) $paths,
+                $paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                (array) $paths
+                $paths
             );
         }
     }
@@ -156,25 +219,28 @@ class ClassLoader
      * Registers a set of PSR-4 directories for a given namespace, either
      * appending or prepending to the ones previously set for this namespace.
      *
-     * @param string       $prefix  The prefix/namespace, with trailing '\\'
-     * @param array|string $paths   The PSR-4 base directories
-     * @param bool         $prepend Whether to prepend the directories
+     * @param string              $prefix  The prefix/namespace, with trailing '\\'
+     * @param list<string>|string $paths   The PSR-4 base directories
+     * @param bool                $prepend Whether to prepend the directories
      *
      * @throws \InvalidArgumentException
+     *
+     * @return void
      */
     public function addPsr4($prefix, $paths, $prepend = false)
     {
+        $paths = (array) $paths;
         if (!$prefix) {
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    (array) $paths,
+                    $paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    (array) $paths
+                    $paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -184,18 +250,18 @@ class ClassLoader
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+            $this->prefixDirsPsr4[$prefix] = $paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                (array) $paths,
+                $paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                (array) $paths
+                $paths
             );
         }
     }
@@ -204,8 +270,10 @@ class ClassLoader
      * Registers a set of PSR-0 directories for a given prefix,
      * replacing any others previously set for this prefix.
      *
-     * @param string       $prefix The prefix
-     * @param array|string $paths  The PSR-0 base directories
+     * @param string              $prefix The prefix
+     * @param list<string>|string $paths  The PSR-0 base directories
+     *
+     * @return void
      */
     public function set($prefix, $paths)
     {
@@ -220,10 +288,12 @@ class ClassLoader
      * Registers a set of PSR-4 directories for a given namespace,
      * replacing any others previously set for this namespace.
      *
-     * @param string       $prefix The prefix/namespace, with trailing '\\'
-     * @param array|string $paths  The PSR-4 base directories
+     * @param string              $prefix The prefix/namespace, with trailing '\\'
+     * @param list<string>|string $paths  The PSR-4 base directories
      *
      * @throws \InvalidArgumentException
+     *
+     * @return void
      */
     public function setPsr4($prefix, $paths)
     {
@@ -243,6 +313,8 @@ class ClassLoader
      * Turns on searching the include path for class files.
      *
      * @param bool $useIncludePath
+     *
+     * @return void
      */
     public function setUseIncludePath($useIncludePath)
     {
@@ -265,6 +337,8 @@ class ClassLoader
      * that have not been registered with the class map.
      *
      * @param bool $classMapAuthoritative
+     *
+     * @return void
      */
     public function setClassMapAuthoritative($classMapAuthoritative)
     {
@@ -285,6 +359,8 @@ class ClassLoader
      * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
      *
      * @param string|null $apcuPrefix
+     *
+     * @return void
      */
     public function setApcuPrefix($apcuPrefix)
     {
@@ -305,14 +381,18 @@ class ClassLoader
      * Registers this instance as an autoloader.
      *
      * @param bool $prepend Whether to prepend the autoloader or not
+     *
+     * @return void
      */
     public function register($prepend = false)
     {
         spl_autoload_register(array($this, 'loadClass'), true, $prepend);
 
         if (null === $this->vendorDir) {
-            //no-op
-        } elseif ($prepend) {
+            return;
+        }
+
+        if ($prepend) {
             self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
         } else {
             unset(self::$registeredLoaders[$this->vendorDir]);
@@ -322,6 +402,8 @@ class ClassLoader
 
     /**
      * Unregisters this instance as an autoloader.
+     *
+     * @return void
      */
     public function unregister()
     {
@@ -336,15 +418,18 @@ class ClassLoader
      * Loads the given class or interface.
      *
      * @param  string    $class The name of the class
-     * @return bool|null True if loaded, null otherwise
+     * @return true|null True if loaded, null otherwise
      */
     public function loadClass($class)
     {
         if ($file = $this->findFile($class)) {
-            includeFile($file);
+            $includeFile = self::$includeFile;
+            $includeFile($file);
 
             return true;
         }
+
+        return null;
     }
 
     /**
@@ -390,15 +475,20 @@ class ClassLoader
     }
 
     /**
-     * Returns the currently registered loaders indexed by their corresponding vendor directories.
+     * Returns the currently registered loaders keyed by their corresponding vendor directories.
      *
-     * @return self[]
+     * @return array<string, self>
      */
     public static function getRegisteredLoaders()
     {
         return self::$registeredLoaders;
     }
 
+    /**
+     * @param  string       $class
+     * @param  string       $ext
+     * @return string|false
+     */
     private function findFileWithExtension($class, $ext)
     {
         // PSR-4 lookup
@@ -464,14 +554,26 @@ class ClassLoader
 
         return false;
     }
-}
 
-/**
- * Scope isolated include.
- *
- * Prevents access to $this/self from included files.
- */
-function includeFile($file)
-{
-    include $file;
+    /**
+     * @return void
+     */
+    private static function initializeIncludeClosure()
+    {
+        if (self::$includeFile !== null) {
+            return;
+        }
+
+        /**
+         * Scope isolated include.
+         *
+         * Prevents access to $this/self from included files.
+         *
+         * @param  string $file
+         * @return void
+         */
+        self::$includeFile = \Closure::bind(static function($file) {
+            include $file;
+        }, null, null);
+    }
 }