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/vendor/symfony/dependency-injection/Compiler/ -> Compiler.php (source)

   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\ContainerBuilder;
  15  use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
  16  
  17  /**
  18   * This class is used to remove circular dependencies between individual passes.
  19   *
  20   * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  21   */
  22  class Compiler
  23  {
  24      private $passConfig;
  25      private $log = [];
  26      private $loggingFormatter;
  27      private $serviceReferenceGraph;
  28  
  29      public function __construct()
  30      {
  31          $this->passConfig = new PassConfig();
  32          $this->serviceReferenceGraph = new ServiceReferenceGraph();
  33      }
  34  
  35      /**
  36       * Returns the PassConfig.
  37       *
  38       * @return PassConfig The PassConfig instance
  39       */
  40      public function getPassConfig()
  41      {
  42          return $this->passConfig;
  43      }
  44  
  45      /**
  46       * Returns the ServiceReferenceGraph.
  47       *
  48       * @return ServiceReferenceGraph The ServiceReferenceGraph instance
  49       */
  50      public function getServiceReferenceGraph()
  51      {
  52          return $this->serviceReferenceGraph;
  53      }
  54  
  55      /**
  56       * Returns the logging formatter which can be used by compilation passes.
  57       *
  58       * @return LoggingFormatter
  59       *
  60       * @deprecated since version 3.3, to be removed in 4.0. Use the ContainerBuilder::log() method instead.
  61       */
  62      public function getLoggingFormatter()
  63      {
  64          if (null === $this->loggingFormatter) {
  65              @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the ContainerBuilder::log() method instead.', __METHOD__), \E_USER_DEPRECATED);
  66  
  67              $this->loggingFormatter = new LoggingFormatter();
  68          }
  69  
  70          return $this->loggingFormatter;
  71      }
  72  
  73      /**
  74       * Adds a pass to the PassConfig.
  75       *
  76       * @param CompilerPassInterface $pass A compiler pass
  77       * @param string                $type The type of the pass
  78       */
  79      public function addPass(CompilerPassInterface $pass, $type = PassConfig::TYPE_BEFORE_OPTIMIZATION/*, int $priority = 0*/)
  80      {
  81          if (\func_num_args() >= 3) {
  82              $priority = func_get_arg(2);
  83          } else {
  84              if (__CLASS__ !== static::class) {
  85                  $r = new \ReflectionMethod($this, __FUNCTION__);
  86                  if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
  87                      @trigger_error(sprintf('Method %s() will have a third `int $priority = 0` argument in version 4.0. Not defining it is deprecated since Symfony 3.2.', __METHOD__), \E_USER_DEPRECATED);
  88                  }
  89              }
  90  
  91              $priority = 0;
  92          }
  93  
  94          $this->passConfig->addPass($pass, $type, $priority);
  95      }
  96  
  97      /**
  98       * Adds a log message.
  99       *
 100       * @param string $string The log message
 101       *
 102       * @deprecated since version 3.3, to be removed in 4.0. Use the ContainerBuilder::log() method instead.
 103       */
 104      public function addLogMessage($string)
 105      {
 106          @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Use the ContainerBuilder::log() method instead.', __METHOD__), \E_USER_DEPRECATED);
 107  
 108          $this->log[] = $string;
 109      }
 110  
 111      /**
 112       * @final
 113       */
 114      public function log(CompilerPassInterface $pass, $message)
 115      {
 116          if (false !== strpos($message, "\n")) {
 117              $message = str_replace("\n", "\n".\get_class($pass).': ', trim($message));
 118          }
 119  
 120          $this->log[] = \get_class($pass).': '.$message;
 121      }
 122  
 123      /**
 124       * Returns the log.
 125       *
 126       * @return array Log array
 127       */
 128      public function getLog()
 129      {
 130          return $this->log;
 131      }
 132  
 133      /**
 134       * Run the Compiler and process all Passes.
 135       */
 136      public function compile(ContainerBuilder $container)
 137      {
 138          try {
 139              foreach ($this->passConfig->getPasses() as $pass) {
 140                  $pass->process($container);
 141              }
 142          } catch (\Exception $e) {
 143              $usedEnvs = [];
 144              $prev = $e;
 145  
 146              do {
 147                  $msg = $prev->getMessage();
 148  
 149                  if ($msg !== $resolvedMsg = $container->resolveEnvPlaceholders($msg, null, $usedEnvs)) {
 150                      $r = new \ReflectionProperty($prev, 'message');
 151                      $r->setAccessible(true);
 152                      $r->setValue($prev, $resolvedMsg);
 153                  }
 154              } while ($prev = $prev->getPrevious());
 155  
 156              if ($usedEnvs) {
 157                  $e = new EnvParameterException($usedEnvs, $e);
 158              }
 159  
 160              throw $e;
 161          } finally {
 162              $this->getServiceReferenceGraph()->clear();
 163          }
 164      }
 165  }


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