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vendor/symfony/dependency-injection/LazyProxy/ProxyHelper.php

@@ -0,0 +1,65 @@
+<?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\DependencyInjection\LazyProxy;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+class ProxyHelper
+{
+    /**
+     * @return string|null The FQCN or builtin name of the type hint, or null when the type hint references an invalid self|parent context
+     */
+    public static function getTypeHint(\ReflectionFunctionAbstract $r, \ReflectionParameter $p = null, $noBuiltin = false)
+    {
+        if ($p instanceof \ReflectionParameter) {
+            if (method_exists($p, 'getType')) {
+                $type = $p->getType();
+            } elseif (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $p, $type)) {
+                $name = $type = $type[1];
+
+                if ('callable' === $name || 'array' === $name) {
+                    return $noBuiltin ? null : $name;
+                }
+            }
+        } else {
+            $type = method_exists($r, 'getReturnType') ? $r->getReturnType() : null;
+        }
+        if (!$type) {
+            return;
+        }
+        if (!\is_string($type)) {
+            $name = $type instanceof \ReflectionNamedType ? $type->getName() : $type->__toString();
+
+            if ($type->isBuiltin()) {
+                return $noBuiltin ? null : $name;
+            }
+        }
+        $lcName = strtolower($name);
+        $prefix = $noBuiltin ? '' : '\\';
+
+        if ('self' !== $lcName && 'parent' !== $lcName) {
+            return $prefix.$name;
+        }
+        if (!$r instanceof \ReflectionMethod) {
+            return;
+        }
+        if ('self' === $lcName) {
+            return $prefix.$r->getDeclaringClass()->name;
+        }
+        if ($parent = $r->getDeclaringClass()->getParentClass()) {
+            return $prefix.$parent->name;
+        }
+    }
+}