symfony
diff --git a/‎src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntax.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntax.php
-9Lines changed: 0 additions & 9 deletions b/‎src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntax.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntax.php
-9Lines changed: 0 additions & 9 deletions
diff --git a/‎src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntaxValidator.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntaxValidator.php
+11-2Lines changed: 11 additions & 2 deletions b/‎src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntaxValidator.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/ExpressionLanguageSyntaxValidator.php
+11-2Lines changed: 11 additions & 2 deletions
@@ -28,15 +28,6 @@ class ExpressionLanguageSyntax extends Constraint
     ];
 
     public $message = 'This value should be a valid expression.';
-    public $service;
     public $validateNames = true;
     public $names = [];
-
-    /**
-     * {@inheritdoc}
-     */
-    public function validatedBy()
-    {
-        return $this->service;
-    }
 }
@@ -24,7 +24,7 @@ class ExpressionLanguageSyntaxValidator extends ConstraintValidator
 {
     private $expressionLanguage;
 
-    public function __construct(ExpressionLanguage $expressionLanguage)
+    public function __construct(ExpressionLanguage $expressionLanguage = null)
     {
         $this->expressionLanguage = $expressionLanguage;
     }
@@ -43,7 +43,7 @@ public function validate($expression, Constraint $constraint): void
         }
 
         try {
-            $this->expressionLanguage->lint($expression, ($constraint->validateNames ? ($constraint->names ?? []) : null));
+            $this->getExpressionLanguage()->lint($expression, ($constraint->validateNames ? ($constraint->names ?? []) : null));
         } catch (SyntaxError $exception) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ syntax_error }}', $this->formatValue($exception->getMessage()))
@@ -52,4 +52,13 @@ public function validate($expression, Constraint $constraint): void
                 ->addViolation();
         }
     }
+
+    private function getExpressionLanguage(): ExpressionLanguage
+    {
+        if (null === $this->expressionLanguage) {
+            $this->expressionLanguage = new ExpressionLanguage();
+        }
+
+        return $this->expressionLanguage;
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ class ExpressionLanguageSyntaxValidator extends ConstraintValidator`
`24`	`24`	`{`
`25`	`25`	`private $expressionLanguage;`
`26`	`26`
`27`		`- public function __construct(ExpressionLanguage $expressionLanguage)`
	`27`	`+ public function __construct(ExpressionLanguage $expressionLanguage = null)`
`28`	`28`	`{`
`29`	`29`	`$this->expressionLanguage = $expressionLanguage;`
`30`	`30`	`}`
`@@ -43,7 +43,7 @@ public function validate($expression, Constraint $constraint): void`
`43`	`43`	`}`
`44`	`44`
`45`	`45`	`try {`
`46`		`- $this->expressionLanguage->lint($expression, ($constraint->validateNames ? ($constraint->names ?? []) : null));`
	`46`	`+ $this->getExpressionLanguage()->lint($expression, ($constraint->validateNames ? ($constraint->names ?? []) : null));`
`47`	`47`	`} catch (SyntaxError $exception) {`
`48`	`48`	`$this->context->buildViolation($constraint->message)`
`49`	`49`	`->setParameter('{{ syntax_error }}', $this->formatValue($exception->getMessage()))`
`@@ -52,4 +52,13 @@ public function validate($expression, Constraint $constraint): void`
`52`	`52`	`->addViolation();`
`53`	`53`	`}`
`54`	`54`	`}`
	`55`	`+`
	`56`	`+ private function getExpressionLanguage(): ExpressionLanguage`
	`57`	`+ {`
	`58`	`+ if (null === $this->expressionLanguage) {`
	`59`	`+ $this->expressionLanguage = new ExpressionLanguage();`
	`60`	`+ }`
	`61`	`+`
	`62`	`+ return $this->expressionLanguage;`
	`63`	`+ }`
`55`	`64`	`}`