Nette\Reflection\AnnotationsParser::parsePhp PHP Метод

    public static function parsePhp($code)
    {
        if (Strings::match($code, '#//nette' . 'loader=(\\S*)#')) {
            return;
        }
        $tokens = @token_get_all($code);
        $namespace = $class = $classLevel = $level = $docComment = NULL;
        $res = $uses = [];
        while (list(, $token) = each($tokens)) {
            switch (is_array($token) ? $token[0] : $token) {
                case T_DOC_COMMENT:
                    $docComment = $token[1];
                    break;
                case T_NAMESPACE:
                    $namespace = self::fetch($tokens, [T_STRING, T_NS_SEPARATOR]) . '\\';
                    $uses = [];
                    break;
                case T_CLASS:
                case T_INTERFACE:
                case T_TRAIT:
                    if ($name = self::fetch($tokens, T_STRING)) {
                        $class = $namespace . $name;
                        $classLevel = $level + 1;
                        $res[$class] = [];
                        if ($docComment) {
                            $res[$class]['class'] = $docComment;
                        }
                        if ($uses) {
                            $res[$class]['use'] = $uses;
                        }
                    }
                    break;
                case T_FUNCTION:
                    self::fetch($tokens, '&');
                    if ($level === $classLevel && $docComment && ($name = self::fetch($tokens, T_STRING))) {
                        $res[$class][$name] = $docComment;
                    }
                    break;
                case T_VAR:
                case T_PUBLIC:
                case T_PROTECTED:
                    self::fetch($tokens, T_STATIC);
                    if ($level === $classLevel && $docComment && ($name = self::fetch($tokens, T_VARIABLE))) {
                        $res[$class][$name] = $docComment;
                    }
                    break;
                case T_USE:
                    while (!$class && ($name = self::fetch($tokens, [T_STRING, T_NS_SEPARATOR]))) {
                        if (self::fetch($tokens, T_AS)) {
                            $uses[self::fetch($tokens, T_STRING)] = ltrim($name, '\\');
                        } else {
                            $tmp = explode('\\', $name);
                            $uses[end($tmp)] = $name;
                        }
                        if (!self::fetch($tokens, ',')) {
                            break;
                        }
                    }
                    break;
                case T_CURLY_OPEN:
                case T_DOLLAR_OPEN_CURLY_BRACES:
                case '{':
                    $level++;
                    break;
                case '}':
                    if ($level === $classLevel) {
                        $class = $classLevel = NULL;
                    }
                    $level--;
                    // break omitted
                // break omitted
                case ';':
                    $docComment = NULL;
            }
        }
        return $res;
    }

 /**
  * @param string $dir Directory to search in
  * @return array Array of listener class names
  */
 protected function searchListeners($dir)
 {
     $files = (new Finder())->files()->in($dir)->path($this->searchPathPattern)->name('*Listener.php');
     $listeners = [];
     foreach ($files as $file) {
         $listeners[] = key(AnnotationsParser::parsePhp(\file_get_contents($file->getRealpath())));
     }
     return $listeners;
 }