added support for typed constants

Author: dg

readme.md

@@ -72,6 +72,7 @@ We can add constants (class [Constant](https://api.nette.org/php-generator/maste
 ```php
 $class->addConstant('ID', 123)
 	->setProtected() // constant visiblity
+	->setType('int')
 	->setFinal();
 
 $class->addProperty('items', [1, 2, 3])
@@ -87,7 +88,7 @@ $class->addProperty('list')
 It generates:
 
 ```php
-final protected const ID = 123;
+final protected const int ID = 123;
 
 /** @var int[] */
 private static $items = [1, 2, 3];

src/PhpGenerator/Constant.php

@@ -25,6 +25,7 @@ final class Constant
 
 	private mixed $value;
 	private bool $final = false;
+	private ?string $type = null;
 
 
 	public function setValue(mixed $val): static
@@ -51,4 +52,17 @@ public function isFinal(): bool
 	{
 		return $this->final;
 	}
+
+
+	public function setType(?string $type): static
+	{
+		$this->type = Helpers::validateType($type);
+		return $this;
+	}
+
+
+	public function getType(): ?string
+	{
+		return $this->type;
+	}
 }

src/PhpGenerator/Helpers.php

@@ -165,7 +165,7 @@ public static function createObject(string $class, array $props): object
 	}
 
 
-	public static function validateType(?string $type, bool &$nullable): ?string
+	public static function validateType(?string $type, bool &$nullable = false): ?string
 	{
 		if ($type === '' || $type === null) {
 			return null;

src/PhpGenerator/Printer.php

@@ -180,7 +180,9 @@ public function printClass(
 			foreach ($class->getConstants() as $const) {
 				$def = ($const->isFinal() ? 'final ' : '')
 					. ($const->getVisibility() ? $const->getVisibility() . ' ' : '')
-					. 'const ' . $const->getName() . ' = ';
+					. 'const '
+					. ltrim($this->printType($const->getType(), nullable: false) . ' ')
+					. $const->getName() . ' = ';
 
 				$consts[] = $this->printDocComment($const)
 					. $this->printAttributes($const->getAttributes())

tests/PhpGenerator/ClassType.phpt

@@ -39,7 +39,8 @@ $trait2 = $class->addTrait('AnotherTrait')
 
 $class->addConstant('ROLE', 'admin');
 $class->addConstant('ACTIVE', false)
-	->setFinal();
+	->setFinal()
+	->setType('bool');
 
 Assert::false($class->isFinal());
 Assert::true($class->isAbstract());

tests/PhpGenerator/expected/ClassType.expect

@@ -17,7 +17,7 @@ abstract class Example extends ParentClass implements IExample, IOne
 	}
 
 	public const ROLE = 'admin';
-	final public const ACTIVE = false;
+	final public const bool ACTIVE = false;
 
 	/** Commented */
 	private const FORCE_ARRAY = Nette\Utils\Json::FORCE_ARRAY;