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Editing File: /home/ubuntu/code_review/arcanist/src/init/init-library.php

<?php

$src = dirname(__FILE__);

require_once $src.'/lib/core.php';
require_once $src.'/lib/PhutilBootloader.php';
require_once $src.'/lib/PhutilBootloaderException.php';
require_once $src.'/lib/PhutilLibraryConflictException.php';
require_once $src.'/lib/PhutilMissingSymbolException.php';
require_once $src.'/lib/moduleutils.php';

function __phutil_autoload($class_name) {
  // Occurs in PHP 5.2 with `call_user_func(array($this, 'self::f'))`.
  if ($class_name === 'self' || $class_name === 'parent') {
    return;
  }

try {
    $loader = new PhutilSymbolLoader();
    $symbols = $loader
      ->setType('class')
      ->setName($class_name)
      ->selectAndLoadSymbols();

if (!$symbols) {
      throw new PhutilMissingSymbolException(
        $class_name,
        'class or interface',
        sprintf(
          'The class or interface "%s" is not defined in the library '.
          'map of any loaded library.',
          $class_name));
    }
  } catch (PhutilMissingSymbolException $ex) {
    $should_throw = true;

foreach (debug_backtrace() as $backtrace) {
      if (empty($backtrace['function'])) {
        continue;
      }

switch ($backtrace['function']) {
        case 'class_exists':
        case 'interface_exists':
        case 'method_exists':
        case 'property_exists':
        case 'trait_exists':
          $should_throw = false;
          break;
      }
    }

if (!$should_throw) {
      return false;
    }

// If there are other SPL autoloaders installed, we need to give them a
    // chance to load the class. Throw the exception if we're the last
    // autoloader; if not, swallow it and let them take a shot.
    $autoloaders = spl_autoload_functions();
    $last = end($autoloaders);
    if ($last == __FUNCTION__) {
      throw $ex;
    }
  }
}

spl_autoload_register('__phutil_autoload', $throw = true);

PhutilBootloader::newLibrary('arcanist', dirname(dirname(__FILE__)));

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