✨ Improve display of deprecation warning

TwigCS/Linter.php

@@ -70,19 +70,6 @@ public function run($files, Ruleset $ruleset)
 
         // setUp
         $report = new Report();
-        set_error_handler(function ($type, $msg) use ($report) {
-            if (E_USER_DEPRECATED === $type) {
-                $sniffViolation = new SniffViolation(
-                    SniffInterface::MESSAGE_TYPE_NOTICE,
-                    $msg,
-                    null,
-                    null
-                );
-
-                $report->addMessage($sniffViolation);
-            }
-        });
-
         foreach ($ruleset->getSniffs() as $sniff) {
             if ($sniff instanceof PostParserSniffInterface) {
                 $this->sniffsExtension->addSniff($sniff);
@@ -93,14 +80,15 @@ public function run($files, Ruleset $ruleset)
 
         // Process
         foreach ($files as $file) {
+            $this->setErrorHandler($report, $file);
             $this->processTemplate($file, $ruleset, $report);
 
             // Add this file to the report.
             $report->addFile($file);
         }
+        restore_error_handler();
 
         // tearDown
-        restore_error_handler();
         foreach ($ruleset->getSniffs() as $sniff) {
             if ($sniff instanceof PostParserSniffInterface) {
                 $this->sniffsExtension->removeSniff($sniff);
@@ -132,8 +120,8 @@ public function processTemplate($file, $ruleset, $report)
             $sniffViolation = new SniffViolation(
                 SniffInterface::MESSAGE_TYPE_ERROR,
                 $e->getRawMessage(),
-                $e->getTemplateLine(),
-                $e->getSourceContext()->getName()
+                $e->getSourceContext()->getName(),
+                $e->getTemplateLine()
             );
 
             $report->addMessage($sniffViolation);
@@ -148,7 +136,6 @@ public function processTemplate($file, $ruleset, $report)
             $sniffViolation = new SniffViolation(
                 SniffInterface::MESSAGE_TYPE_ERROR,
                 sprintf('Unable to tokenize file'),
-                null,
                 (string) $file
             );
 
@@ -167,4 +154,23 @@ public function processTemplate($file, $ruleset, $report)
 
         return true;
     }
+
+    /**
+     * @param Report      $report
+     * @param string|null $file
+     */
+    protected function setErrorHandler(Report $report, $file = null)
+    {
+        set_error_handler(function ($type, $message) use ($report, $file) {
+            if (E_USER_DEPRECATED === $type) {
+                $sniffViolation = new SniffViolation(
+                    SniffInterface::MESSAGE_TYPE_NOTICE,
+                    $message,
+                    $file
+                );
+
+                $report->addMessage($sniffViolation);
+            }
+        });
+    }
 }

TwigCS/Report/SniffViolation.php

@@ -26,7 +26,7 @@ class SniffViolation
     /**
      * Line number for the violation.
      *
-     * @var int
+     * @var int|null
      */
     protected $line;
 
@@ -52,12 +52,12 @@ class SniffViolation
     protected $sniff;
 
     /**
-     * @param int    $level
-     * @param string $message
-     * @param int    $line
-     * @param string $filename
+     * @param int      $level
+     * @param string   $message
+     * @param string   $filename
+     * @param int|null $line
      */
-    public function __construct($level, $message, $line, $filename)
+    public function __construct($level, $message, $filename, $line = null)
     {
         $this->level        = $level;
         $this->message      = $message;
@@ -129,7 +129,7 @@ public function getMessage()
     /**
      * Get the line number where this violation occured.
      *
-     * @return int
+     * @return int|null
      */
     public function getLine()
     {

TwigCS/Sniff/AbstractPostParserSniff.php

@@ -47,8 +47,8 @@ public function addMessage($messageType, $message, Node $node)
         $sniffViolation = new SniffViolation(
             $messageType,
             $message,
-            $this->getTemplateLine($node),
-            $this->getTemplateName($node)
+            $this->getTemplateName($node),
+            $this->getTemplateLine($node)
         );
 
         $this->getReport()->addMessage($sniffViolation);

TwigCS/Sniff/AbstractPreParserSniff.php

@@ -52,7 +52,12 @@ public function isTokenMatching(Token $token, $type, $value = null)
      */
     public function addMessage($messageType, $message, Token $token)
     {
-        $sniffViolation = new SniffViolation($messageType, $message, $token->getLine(), $token->getFilename());
+        $sniffViolation = new SniffViolation(
+            $messageType,
+            $message,
+            $token->getFilename(),
+            $token->getLine()
+        );
         $sniffViolation->setLinePosition($token->getPosition());
 
         $this->getReport()->addMessage($sniffViolation);