bug #25801 [Router] Skip anonymous classes when loading annotated rou…

…tes (pierredup)

This PR was squashed before being merged into the 2.7 branch (closes #25801).

Discussion
----------

[Router] Skip anonymous classes when loading annotated routes

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #25796
| License       | MIT
| Doc PR        |

Skip any usage of anonymous classes when parsing files in `AnnotationFileLoader`

Commits
-------

d76a545 [Router] Skip anonymous classes when loading annotated routes

src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php

@@ -107,22 +107,22 @@ protected function findClass($file)
             }
 
             if (T_CLASS === $token[0]) {
-                // Skip usage of ::class constant
-                $isClassConstant = false;
+                // Skip usage of ::class constant and anonymous classes
+                $skipClassToken = false;
                 for ($j = $i - 1; $j > 0; --$j) {
                     if (!isset($tokens[$j][1])) {
                         break;
                     }
 
-                    if (T_DOUBLE_COLON === $tokens[$j][0]) {
-                        $isClassConstant = true;
+                    if (T_DOUBLE_COLON === $tokens[$j][0] || T_NEW === $tokens[$j][0]) {
+                        $skipClassToken = true;
                         break;
                     } elseif (!in_array($tokens[$j][0], array(T_WHITESPACE, T_DOC_COMMENT, T_COMMENT))) {
                         break;
                     }
                 }
 
-                if (!$isClassConstant) {
+                if (!$skipClassToken) {
                     $class = true;
                 }
             }

src/Symfony/Component/Routing/Tests/Fixtures/OtherAnnotatedClasses/AnonymousClassInTrait.php

@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Routing\Tests\Fixtures\OtherAnnotatedClasses;
+
+trait AnonymousClassInTrait
+{
+    public function test()
+    {
+        return new class() {
+            public function foo()
+            {
+            }
+        };
+    }
+}

src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php

@@ -58,6 +58,17 @@ public function testLoadVariadic()
         $this->loader->load(__DIR__.'/../Fixtures/OtherAnnotatedClasses/VariadicClass.php');
     }
 
+    /**
+     * @requires PHP 7.0
+     */
+    public function testLoadAnonymousClass()
+    {
+        $this->reader->expects($this->never())->method('getClassAnnotation');
+        $this->reader->expects($this->never())->method('getMethodAnnotations');
+
+        $this->loader->load(__DIR__.'/../Fixtures/OtherAnnotatedClasses/AnonymousClassInTrait.php');
+    }
+
     public function testSupports()
     {
         $fixture = __DIR__.'/../Fixtures/annotated.php';