added support for readonly classes

Author: dg

composer.json

@@ -1,6 +1,6 @@
 {
 	"name": "nette/php-generator",
-	"description": "🐘 Nette PHP Generator: generates neat PHP code for you. Supports new PHP 8.1 features.",
+	"description": "🐘 Nette PHP Generator: generates neat PHP code for you. Supports new PHP 8.2 features.",
 	"keywords": ["nette", "php", "code", "scaffolding"],
 	"homepage": "https://nette.org",
 	"license": ["BSD-3-Clause", "GPL-2.0-only", "GPL-3.0-only"],
@@ -20,7 +20,7 @@
 	},
 	"require-dev": {
 		"nette/tester": "^2.4",
-		"nikic/php-parser": "^4.13",
+		"nikic/php-parser": "^4.14",
 		"tracy/tracy": "^2.8",
 		"phpstan/phpstan": "^1.0"
 	},

readme.md

@@ -141,7 +141,7 @@ public function __construct(
 }
 ```
 
-Readonly properties introduced by PHP 8.1 can be marked via `setReadOnly()`.
+Readonly properties and classes can be marked via `setReadOnly()`.
 
 ------
 

src/PhpGenerator/ClassType.php

@@ -36,6 +36,7 @@ final class ClassType extends ClassLike
 	private bool $final = false;
 	private bool $abstract = false;
 	private ?string $extends = null;
+	private bool $readOnly = false;
 
 	/** @var string[] */
 	private array $implements = [];
@@ -172,6 +173,19 @@ public function isAbstract(): bool
 	}
 
 
+	public function setReadOnly(bool $state = true): static
+	{
+		$this->readOnly = $state;
+		return $this;
+	}
+
+
+	public function isReadOnly(): bool
+	{
+		return $this->readOnly;
+	}
+
+
 	public function setExtends(?string $name): static
 	{
 		if ($name) {

src/PhpGenerator/Extractor.php

@@ -246,6 +246,7 @@ private function addClassToFile(PhpFile $phpFile, Node\Stmt\Class_ $node): Class
 
 		$class->setFinal($node->isFinal());
 		$class->setAbstract($node->isAbstract());
+		$class->setReadOnly(method_exists($node, 'isReadonly') && $node->isReadonly());
 		$this->addCommentAndAttributes($class, $node);
 		return $class;
 	}

src/PhpGenerator/Factory.php

@@ -55,6 +55,7 @@ public function fromClassReflection(
 			$class = new ClassType($from->getShortName(), new PhpNamespace($from->getNamespaceName()));
 			$class->setFinal($from->isFinal() && $class->isClass());
 			$class->setAbstract($from->isAbstract() && $class->isClass());
+			$class->setReadOnly(PHP_VERSION_ID >= 80200 && $from->isReadOnly());
 		}
 
 		$ifaces = $from->getInterfaceNames();

src/PhpGenerator/Printer.php

@@ -226,6 +226,7 @@ public function printClass(
 		if ($class instanceof ClassType) {
 			$line[] = $class->isAbstract() ? 'abstract' : null;
 			$line[] = $class->isFinal() ? 'final' : null;
+			$line[] = $class->isReadOnly() ? 'readonly' : null;
 		}
 
 		$line[] = match (true) {

tests/PhpGenerator/ClassType.from.82.phpt

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * @phpVersion 8.2
+ */
+
+declare(strict_types=1);
+
+use Nette\PhpGenerator\ClassType;
+
+
+require __DIR__ . '/../bootstrap.php';
+require __DIR__ . '/fixtures/classes.82.php';
+
+$res[] = ClassType::from(new Abc\Class13);
+
+sameFile(__DIR__ . '/expected/ClassType.from.82.expect', implode("\n", $res));

tests/PhpGenerator/Extractor.extractAll.phpt

@@ -15,6 +15,9 @@ sameFile(__DIR__ . '/expected/Extractor.classes.expect', (string) $file);
 $file = (new Extractor(file_get_contents(__DIR__ . '/fixtures/classes.81.php')))->extractAll();
 sameFile(__DIR__ . '/expected/Extractor.classes.81.expect', (string) $file);
 
+$file = (new Extractor(file_get_contents(__DIR__ . '/fixtures/classes.82.php')))->extractAll();
+sameFile(__DIR__ . '/expected/Extractor.classes.82.expect', (string) $file);
+
 $file = (new Extractor(file_get_contents(__DIR__ . '/fixtures/enum.php')))->extractAll();
 sameFile(__DIR__ . '/expected/Extractor.enum.expect', (string) $file);
 

tests/PhpGenerator/expected/ClassType.from.82.expect

@@ -0,0 +1,3 @@
+readonly class Class13
+{
+}

tests/PhpGenerator/expected/Extractor.classes.82.expect

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Abc;
+
+readonly class Class13
+{
+}

tests/PhpGenerator/fixtures/classes.82.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Abc;
+
+readonly class Class13
+{
+}