[VarExporter] [WIP] Leverage native lazy proxies

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/lazy_autowire_attribute.php

@@ -87,11 +87,7 @@ protected static function getFoo2Service($container, $lazyLoad = true)
 class FooProxyCd8d23a extends \Symfony\Component\DependencyInjection\Tests\Compiler\Foo implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyProxyTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/lazy_autowire_attribute_with_intersection.php

@@ -76,19 +76,11 @@ class objectProxy1fd6daa implements \Symfony\Component\DependencyInjection\Tests
 {
     use \Symfony\Component\VarExporter\LazyProxyTrait;
 
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
-
     public function initializeLazyObject(): \Symfony\Component\DependencyInjection\Tests\Compiler\AInterface&\Symfony\Component\DependencyInjection\Tests\Compiler\IInterface
     {
-        if ($state = $this->lazyObjectState ?? null) {
-            return $state->realInstance ??= ($state->initializer)();
-        }
-
-        return $this;
+        return \ReflectionLazyObject::fromInstance($this)->initialize();
     }
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dedup_lazy.php

@@ -104,23 +104,15 @@ protected static function getFooService($container, $lazyLoad = true)
 class stdClassGhostAa01f12 extends \stdClass implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyGhostTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);
 
 class stdClassProxyAa01f12 extends \stdClass implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyProxyTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy_as_files.txt

@@ -45,14 +45,10 @@ namespace Container%s;
 class FooLazyClassGhost%s extends \Bar\FooLazyClass implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyGhostTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);
 
 if (!\class_exists('FooLazyClassGhost%s', false)) {
     \class_alias(__NAMESPACE__.'\\FooLazyClassGhost%s', 'FooLazyClassGhost%s', false);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy_ghost.php

@@ -78,11 +78,7 @@ protected static function getFooService($container, $lazyLoad = true)
 class stdClassGhostAa01f12 extends \stdClass implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyGhostTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_non_shared_lazy_public.php

@@ -69,11 +69,7 @@ protected static function getFooService($container, $lazyLoad = true)
 class FooLazyClassGhost82ad1a4 extends \Bar\FooLazyClass implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyGhostTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_wither_lazy.php

@@ -74,13 +74,7 @@ protected static function getWitherService($container, $lazyLoad = true)
 class WitherProxy1991f2a extends \Symfony\Component\DependencyInjection\Tests\Compiler\Wither implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyProxyTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [
-        'foo' => [parent::class, 'foo', null],
-    ];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_wither_lazy_non_shared.php

@@ -76,13 +76,7 @@ protected static function getWitherService($container, $lazyLoad = true)
 class WitherProxyE94fdba extends \Symfony\Component\DependencyInjection\Tests\Compiler\Wither implements \Symfony\Component\VarExporter\LazyObjectInterface
 {
     use \Symfony\Component\VarExporter\LazyProxyTrait;
-
-    private const LAZY_OBJECT_PROPERTY_SCOPES = [
-        'foo' => [parent::class, 'foo', null],
-    ];
 }
 
 // Help opcache.preload discover always-needed symbols
-class_exists(\Symfony\Component\VarExporter\Internal\Hydrator::class);
 class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectRegistry::class);
-class_exists(\Symfony\Component\VarExporter\Internal\LazyObjectState::class);

src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php

@@ -179,6 +179,10 @@ public static function castClass(\ReflectionClass $c, array $a, Stub $stub, bool
             'constants' => 'getReflectionConstants',
         ]);
 
+        if ($c instanceof \ReflectionLazyObject) {
+            $c = new \ReflectionClass($c->name);
+        }
+
         foreach ($c->getProperties() as $n) {
             $a[$prefix.'properties'][$n->name] = $n;
         }

src/Symfony/Component/VarExporter/Internal/LazyObjectRegistry.php

@@ -25,114 +25,5 @@ class LazyObjectRegistry
      */
     public static array $classReflectors = [];
 
-    /**
-     * @var array<class-string, array<string, mixed>>
-     */
-    public static array $defaultProperties = [];
-
-    /**
-     * @var array<class-string, list<\Closure>>
-     */
-    public static array $classResetters = [];
-
-    /**
-     * @var array<class-string, array{get: \Closure, set: \Closure, isset: \Closure, unset: \Closure}>
-     */
-    public static array $classAccessors = [];
-
-    /**
-     * @var array<class-string, array{set: bool, isset: bool, unset: bool, clone: bool, serialize: bool, unserialize: bool, sleep: bool, wakeup: bool, destruct: bool, get: int}>
-     */
-    public static array $parentMethods = [];
-
-    public static ?\Closure $noInitializerState = null;
-
-    public static function getClassResetters($class)
-    {
-        $classProperties = [];
-
-        if ((self::$classReflectors[$class] ??= new \ReflectionClass($class))->isInternal()) {
-            $propertyScopes = [];
-        } else {
-            $propertyScopes = Hydrator::$propertyScopes[$class] ??= Hydrator::getPropertyScopes($class);
-        }
-
-        foreach ($propertyScopes as $key => [$scope, $name, $readonlyScope]) {
-            $propertyScopes[$k = "\0$scope\0$name"] ?? $propertyScopes[$k = "\0*\0$name"] ?? $k = $name;
-
-            if ($k === $key && "\0$class\0lazyObjectState" !== $k) {
-                $classProperties[$readonlyScope ?? $scope][$name] = $key;
-            }
-        }
-
-        $resetters = [];
-        foreach ($classProperties as $scope => $properties) {
-            $resetters[] = \Closure::bind(static function ($instance, $skippedProperties) use ($properties) {
-                foreach ($properties as $name => $key) {
-                    if (!\array_key_exists($key, $skippedProperties)) {
-                        unset($instance->$name);
-                    }
-                }
-            }, null, $scope);
-        }
-
-        return $resetters;
-    }
-
-    public static function getClassAccessors($class)
-    {
-        return \Closure::bind(static fn () => [
-            'get' => static function &($instance, $name, $readonly) {
-                if (!$readonly) {
-                    return $instance->$name;
-                }
-                $value = $instance->$name;
-
-                return $value;
-            },
-            'set' => static function ($instance, $name, $value) {
-                $instance->$name = $value;
-            },
-            'isset' => static fn ($instance, $name) => isset($instance->$name),
-            'unset' => static function ($instance, $name) {
-                unset($instance->$name);
-            },
-        ], null, \Closure::class === $class ? null : $class)();
-    }
-
-    public static function getParentMethods($class)
-    {
-        $parent = get_parent_class($class);
-        $methods = [];
-
-        foreach (['set', 'isset', 'unset', 'clone', 'serialize', 'unserialize', 'sleep', 'wakeup', 'destruct', 'get'] as $method) {
-            if (!$parent || !method_exists($parent, '__'.$method)) {
-                $methods[$method] = false;
-            } else {
-                $m = new \ReflectionMethod($parent, '__'.$method);
-                $methods[$method] = !$m->isAbstract() && !$m->isPrivate();
-            }
-        }
-
-        $methods['get'] = $methods['get'] ? ($m->returnsReference() ? 2 : 1) : 0;
-
-        return $methods;
-    }
-
-    public static function getScope($propertyScopes, $class, $property, $readonlyScope = null)
-    {
-        if (null === $readonlyScope && !isset($propertyScopes[$k = "\0$class\0$property"]) && !isset($propertyScopes[$k = "\0*\0$property"])) {
-            return null;
-        }
-        $frame = debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT | \DEBUG_BACKTRACE_IGNORE_ARGS, 3)[2];
-
-        if (\ReflectionProperty::class === $scope = $frame['class'] ?? \Closure::class) {
-            $scope = $frame['object']->class;
-        }
-        if (null === $readonlyScope && '*' === $k[1] && ($class === $scope || (is_subclass_of($class, $scope) && !isset($propertyScopes["\0$scope\0$property"])))) {
-            return null;
-        }
-
-        return $scope;
-    }
+    public static \WeakMap $initializers;
 }