Add Composer autoloading functions and PHPStan for testing

vendor/nette/php-generator/src/PhpGenerator/Closure.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\PhpGenerator;
+
+use Nette;
+
+
+/**
+ * Closure.
+ *
+ * @property string $body
+ */
+final class Closure
+{
+	use Nette\SmartObject;
+	use Traits\FunctionLike;
+
+	/** @var Parameter[] */
+	private $uses = [];
+
+
+	/**
+	 * @return static
+	 */
+	public static function from(\Closure $closure): self
+	{
+		return (new Factory)->fromFunctionReflection(new \ReflectionFunction($closure));
+	}
+
+
+	public function __toString(): string
+	{
+		try {
+			return (new Printer)->printClosure($this);
+		} catch (\Throwable $e) {
+			trigger_error('Exception in ' . __METHOD__ . "(): {$e->getMessage()} in {$e->getFile()}:{$e->getLine()}", E_USER_ERROR);
+		}
+	}
+
+
+	/**
+	 * @param  Parameter[]  $uses
+	 * @return static
+	 */
+	public function setUses(array $uses): self
+	{
+		(function (Parameter ...$uses) {})(...$uses);
+		$this->uses = $uses;
+		return $this;
+	}
+
+
+	public function getUses(): array
+	{
+		return $this->uses;
+	}
+
+
+	public function addUse(string $name): Parameter
+	{
+		return $this->uses[] = new Parameter($name);
+	}
+}