[VarDumper] fix tests & displaying generators

Author: nicolas-grekas

Caster/ReflectionCaster.php

@@ -80,10 +80,6 @@ public static function unsetClosureFileInfo(\Closure $c, array $a)
 
     public static function castGenerator(\Generator $c, array $a, Stub $stub, $isNested)
     {
-        if (!class_exists('ReflectionGenerator', false)) {
-            return $a;
-        }
-
         // Cannot create ReflectionGenerator based on a terminated Generator
         try {
             $reflectionGenerator = new \ReflectionGenerator($c);
@@ -136,9 +132,7 @@ public static function castReflectionGenerator(\ReflectionGenerator $c, array $a
         } else {
             $function = new FrameStub($frame, false, true);
             $function = ExceptionCaster::castFrameStub($function, [], $function, true);
-            $a[$prefix.'executing'] = new EnumStub([
-                "\0~separator= \0".$frame['class'].$frame['type'].$frame['function'].'()' => $function[$prefix.'src'],
-            ]);
+            $a[$prefix.'executing'] = $function[$prefix.'src'];
         }
 
         $a[Caster::PREFIX_VIRTUAL.'closed'] = false;

Tests/Caster/ReflectionCasterTest.php

@@ -184,12 +184,11 @@ public function testGenerator()
 Generator {
   this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
   executing: {
-    Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo->baz() {
-      %sGeneratorDemo.php:14 {
-        › {
-        ›     yield from bar();
-        › }
-      }
+    %sGeneratorDemo.php:14 {
+      Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo->baz()
+      › {
+      ›     yield from bar();
+      › }
     }
   }
   closed: false
@@ -208,6 +207,7 @@ public function testGenerator()
     this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
     trace: {
       %s%eTests%eFixtures%eGeneratorDemo.php:9 {
+        Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo()
         › {
         ›     yield 1;
         › }
@@ -219,12 +219,11 @@ public function testGenerator()
   }
   1 => Generator {
     executing: {
-      Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo() {
-        %sGeneratorDemo.php:10 {
-          ›     yield 1;
-          › }
-          › 
-        }
+      %sGeneratorDemo.php:10 {
+        Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo()
+        ›     yield 1;
+        › }
+        › 
       }
     }
     closed: false