[DependencyInjection] Clarify that using expressions in parameters is not allowed

Author: nicolas-grekas

src/Symfony/Component/DependencyInjection/Loader/Configurator/ParametersConfigurator.php

@@ -12,6 +12,8 @@
 namespace Symfony\Component\DependencyInjection\Loader\Configurator;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\ExpressionLanguage\Expression;
 
 /**
  * @author Nicolas Grekas <[email protected]>
@@ -34,6 +36,10 @@ public function __construct(ContainerBuilder $container)
      */
     final public function set(string $name, $value): self
     {
+        if ($value instanceof Expression) {
+            throw new InvalidArgumentException(sprintf('Using an expression in parameter "%s" is not allowed.', $name));
+        }
+
         $this->container->setParameter($name, static::processValue($value, true));
 
         return $this;

src/Symfony/Component/DependencyInjection/Loader/YamlFileLoader.php

@@ -822,6 +822,10 @@ private function resolveServices($value, string $file, bool $isParameter = false
                 $value[$k] = $this->resolveServices($v, $file, $isParameter);
             }
         } elseif (\is_string($value) && str_starts_with($value, '@=')) {
+            if ($isParameter) {
+                throw new InvalidArgumentException(sprintf('Using expressions in parameters is not allowed in "%s".', $file));
+            }
+
             if (!class_exists(Expression::class)) {
                 throw new \LogicException('The "@=" expression syntax cannot be used without the ExpressionLanguage component. Try running "composer require symfony/expression-language".');
             }