added NameAware::cloneWithName()

Author: dg

readme.md

@@ -168,6 +168,14 @@ $class = (new Nette\PhpGenerator\ClassType('Demo'))
 	->addMember($const);
 ```
 
+You can clone existing methods, properties and constants with a different name using `cloneWithName()`:
+
+```php
+$methodCount = $class->getMethod('count');
+$methodRecount = $methodCount->cloneWithName('recount');
+$class->addMember($methodRecount);
+```
+
 Tabs versus spaces
 ------------------
 

src/PhpGenerator/Traits/NameAware.php

@@ -34,4 +34,19 @@ public function getName(): string
 	{
 		return $this->name;
 	}
+
+
+	/**
+	 * Returns clone with a different name.
+	 * @return static
+	 */
+	public function cloneWithName(string $name): self
+	{
+		if (!Nette\PhpGenerator\Helpers::isIdentifier($name)) {
+			throw new Nette\InvalidArgumentException("Value '$name' is not valid name.");
+		}
+		$dolly = clone $this;
+		$dolly->name = $name;
+		return $dolly;
+	}
 }

tests/PhpGenerator/NameAware.cloneWithName.phpt

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+use Nette\PhpGenerator\ClassType;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+$class = (new ClassType('Example'))
+	->addMember($method = new Nette\PhpGenerator\Method('first'))
+	->addMember($property = new Nette\PhpGenerator\Property('first'))
+	->addMember($const = new Nette\PhpGenerator\Constant('FIRST'))
+	->addMember($newMethod = $method->cloneWithName('second'))
+	->addMember($newProperty = $property->cloneWithName('second'))
+	->addMember($newConst = $const->cloneWithName('SECOND'));
+
+Assert::same('first', $method->getName());
+Assert::same('second', $newMethod->getName());
+Assert::same('first', $property->getName());
+Assert::same('second', $newProperty->getName());
+Assert::same('FIRST', $const->getName());
+Assert::same('SECOND', $newConst->getName());
+
+
+Assert::exception(function () {
+	$method = new Nette\PhpGenerator\Method('first');
+	$method->cloneWithName('');
+}, Nette\InvalidArgumentException::class);