Update PHP to 7.4 and remove Nette\Reflection

Author: FVesely

Diff for: .gitignore

@@ -1,7 +1,9 @@
 vendor
 composer.lock
 .idea
+.docker
 tests/tmp/*
+docker-compose.yml
 
 !.gitignore
 !.gitkeep

Diff for: .travis.yml

@@ -7,16 +7,16 @@ cache:
         - $HOME/.composer/cache
 
 php:
-  - 7.1
+  - 7.4
 
 matrix:
   fast_finish: true
   include:
-  - php: 7.1
+  - php: 7.4
     env: PHPSTAN=1
-  - php: 7.1
+  - php: 7.4
     env: CODING_STANDARD=1
-  - php: 7.1
+  - php: 7.4
     env: COVERAGE="--coverage coverage.xml --coverage-src src" TESTER_RUNTIME="phpdbg"
 
 install:
@@ -27,7 +27,7 @@ install:
 script:
   - vendor/bin/tester $COVERAGE -s -p ${TESTER_RUNTIME:-php} tests
   - php /tmp/php-parallel-lint/parallel-lint.php -e php,phpt --exclude vendor .
-  - if [ "$PHPSTAN" = "1" ]; then php vendor/bin/phpstan.phar analyse --ansi --no-progress -l7 -c phpstan.neon src tests; fi
+  - if [ "$PHPSTAN" = "1" ]; then php vendor/bin/phpstan.phar analyse --ansi --no-progress -l8 -c phpstan.neon src tests; fi
   - if [ "$CODING_STANDARD" = "1" ]; then php vendor/bin/phpcs --standard=ruleset.xml --encoding=utf-8 -sp src tests; fi
 
 after_script:

Diff for: composer.json

@@ -16,13 +16,12 @@
 		"sort-packages": true
 	},
 	"require": {
-		"php": ">=7.1",
+		"php": ">=7.4",
 		"nette/application": "^3.0",
-		"nette/reflection": "^2.4",
 		"nette/utils": "^3.0"
 	},
 	"require-dev": {
-		"grand-media/coding-standard": "^2.0",
+		"grand-media/coding-standard": "^3.0",
 		"nette/tester": "^2.0",
 		"phpstan/phpstan": "^0.12"
 	},

Diff for: src/UI/ComponentHelper.php

@@ -5,8 +5,6 @@
 use Nette\Application\Helpers;
 use Nette\Application\UI\Component;
 use Nette\Application\UI\Presenter;
-use Nette\Reflection\AnnotationsParser;
-use Nette\Utils\Reflection;
 use Nette\Utils\Strings;
 
 final class ComponentHelper
@@ -24,14 +22,10 @@ public static function loadParameters(Component $component, array $params): arra
 		$reflection = $component::getReflection();
 
 		foreach ($reflection->getPersistentParams() as $name => $meta) {
-			if (isset($params[$name])) {
-				$annotations = AnnotationsParser::getAll($reflection->getProperty($name));
-				if (isset($annotations['var'])) {
-					$className = Reflection::expandClassName(\end($annotations['var']), $reflection);
-					$fromString = [$className, 'fromString'];
-					if (\is_string($params[$name]) && \is_callable($fromString)) {
-						$params[$name] = $fromString($params[$name]);
-					}
+			if (isset($params[$name]) && \class_exists($meta['type'])) {
+				$fromString = [$meta['type'], 'fromString'];
+				if (\is_string($params[$name]) && \is_callable($fromString)) {
+					$params[$name] = $fromString($params[$name]);
 				}
 			}
 		}
@@ -43,8 +37,9 @@ public static function loadParameters(Component $component, array $params): arra
 			$methods[] = Presenter::formatRenderMethod($component->view);
 		}
 
-		$signal = $component->getPresenter()->getSignal();
-		if ($signal && $signal[0] === $component->getUniqueId()) {
+		$presenter = $component->getPresenter();
+		$signal = $presenter !== null ? $presenter->getSignal() : null;
+		if (\is_array($signal) && $signal[0] === $component->getUniqueId()) {
 			$methods[] = Component::formatSignalMethod($signal[1]);
 		}
 
@@ -79,7 +74,7 @@ public static function findTemplateFile(
 		$templatesDir = self::joinFilePath(\dirname((string) $reflection->getFileName()), $directory);
 
 		if ($component instanceof Presenter) {
-			[, $name] = Helpers::splitName($component->getName());
+			[, $name] = Helpers::splitName((string) $component->getName());
 
 			$presenterTemplatesDir = self::joinFilePath($templatesDir, $name);
 			if (\file_exists($presenterTemplatesDir)) {

Diff for: tests/Application/UI/Mocks/Parameter.php

@@ -5,10 +5,7 @@
 final class Parameter
 {
 
-	/**
-	 * @var string
-	 */
-	private $value;
+	private string $value;
 
 	private function __construct()
 	{

Diff for: tests/Application/UI/Mocks/Presenter.php

@@ -5,17 +5,11 @@
 final class Presenter extends \Nette\Application\UI\Presenter
 {
 
-	/**
-	 * @var \GrandMediaTests\Application\UI\Mocks\Parameter
-	 * @persistent
-	 */
-	public $bar;
+	/** @persistent */
+	public Parameter $bar;
 
-	/**
-	 * @var \GrandMediaTests\Application\UI\Mocks\Parameter
-	 * @persistent
-	 */
-	public $baz;
+	/** @persistent */
+	public Parameter $baz;
 
 	public function actionDefault(Parameter $one, Parameter $two): void
 	{