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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\DependencyInjection\Compiler;
  13  
  14  use Symfony\Component\DependencyInjection\Definition;
  15  use Symfony\Component\DependencyInjection\Exception\RuntimeException;
  16  
  17  /**
  18   * Checks if arguments of methods are properly configured.
  19   *
  20   * @author Kévin Dunglas <dunglas@gmail.com>
  21   * @author Nicolas Grekas <p@tchwork.com>
  22   */
  23  class CheckArgumentsValidityPass extends AbstractRecursivePass
  24  {
  25      private $throwExceptions;
  26  
  27      public function __construct($throwExceptions = true)
  28      {
  29          $this->throwExceptions = $throwExceptions;
  30      }
  31  
  32      /**
  33       * {@inheritdoc}
  34       */
  35      protected function processValue($value, $isRoot = false)
  36      {
  37          if (!$value instanceof Definition) {
  38              return parent::processValue($value, $isRoot);
  39          }
  40  
  41          $i = 0;
  42          foreach ($value->getArguments() as $k => $v) {
  43              if ($k !== $i++) {
  44                  if (!\is_int($k)) {
  45                      $msg = sprintf('Invalid constructor argument for service "%s": integer expected but found string "%s". Check your service definition.', $this->currentId, $k);
  46                      $value->addError($msg);
  47                      if ($this->throwExceptions) {
  48                          throw new RuntimeException($msg);
  49                      }
  50  
  51                      break;
  52                  }
  53  
  54                  $msg = sprintf('Invalid constructor argument %d for service "%s": argument %d must be defined before. Check your service definition.', 1 + $k, $this->currentId, $i);
  55                  $value->addError($msg);
  56                  if ($this->throwExceptions) {
  57                      throw new RuntimeException($msg);
  58                  }
  59              }
  60          }
  61  
  62          foreach ($value->getMethodCalls() as $methodCall) {
  63              $i = 0;
  64              foreach ($methodCall[1] as $k => $v) {
  65                  if ($k !== $i++) {
  66                      if (!\is_int($k)) {
  67                          $msg = sprintf('Invalid argument for method call "%s" of service "%s": integer expected but found string "%s". Check your service definition.', $methodCall[0], $this->currentId, $k);
  68                          $value->addError($msg);
  69                          if ($this->throwExceptions) {
  70                              throw new RuntimeException($msg);
  71                          }
  72  
  73                          break;
  74                      }
  75  
  76                      $msg = sprintf('Invalid argument %d for method call "%s" of service "%s": argument %d must be defined before. Check your service definition.', 1 + $k, $methodCall[0], $this->currentId, $i);
  77                      $value->addError($msg);
  78                      if ($this->throwExceptions) {
  79                          throw new RuntimeException($msg);
  80                      }
  81                  }
  82              }
  83          }
  84  
  85          return null;
  86      }
  87  }