From c4c0db8810e3e2414f34fb1dfe6bd463c0ffe5cd Mon Sep 17 00:00:00 2001
From: Jake Hotson <jake.github@qzdesign.co.uk>
Date: Thu, 26 Jun 2025 19:11:57 +0100
Subject: [PATCH 1/2] [BUGFIX] Exclude absent line number from exception
 message

The bug was introduced by #1288, so has not been included in any release;
thus a changelog entry is not justified.
---
 tests/Unit/Parsing/SourceExceptionTest.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/tests/Unit/Parsing/SourceExceptionTest.php b/tests/Unit/Parsing/SourceExceptionTest.php
index 6e22bc96f..923f6c490 100644
--- a/tests/Unit/Parsing/SourceExceptionTest.php
+++ b/tests/Unit/Parsing/SourceExceptionTest.php
@@ -20,7 +20,7 @@ public function getMessageReturnsMessageProvidedToConstructor(): void
         $message = 'The cake is a lie.';
         $exception = new SourceException($message);
 
-        self::assertStringContainsString($message, $exception->getMessage());
+        self::assertSame($message, $exception->getMessage());
     }
 
     /**
@@ -55,6 +55,17 @@ public function getMessageWithLineNumberProvidedIncludesLineNumber(): void
         self::assertStringContainsString(' [line no: ' . $lineNumber . ']', $exception->getMessage());
     }
 
+    /**
+     * @test
+     */
+    public function getMessageWithLineNumberProvidedIncludesMessage(): void
+    {
+        $message = 'There is no flatware.';
+        $exception = new SourceException($message, 17);
+
+        self::assertStringContainsString($message, $exception->getMessage());
+    }
+
     /**
      * @test
      */

From 6cc6b3da555e3f65ea2c20334d55cd16a0235ced Mon Sep 17 00:00:00 2001
From: Jake Hotson <jake.github@qzdesign.co.uk>
Date: Thu, 26 Jun 2025 19:33:53 +0100
Subject: [PATCH 2/2] Include the fix as well as the test changes

---
 src/Parsing/SourceException.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Parsing/SourceException.php b/src/Parsing/SourceException.php
index b96c1878c..43b3faf05 100644
--- a/src/Parsing/SourceException.php
+++ b/src/Parsing/SourceException.php
@@ -17,7 +17,7 @@ class SourceException extends \Exception implements Positionable
     public function __construct(string $message, ?int $lineNumber = null)
     {
         $this->setPosition($lineNumber);
-        if ($lineNumber !== 0) {
+        if ($lineNumber !== null) {
             $message .= " [line no: $lineNumber]";
         }
         parent::__construct($message);