Handle throws void (#123)

Author: VincentLanglet

src/Rules/ThrowsPhpDocInheritanceRule.php

@@ -134,7 +134,7 @@ public function processNode(Node $node, Scope $scope): array
 				$parentThrowType = $methodReflection->getThrowType();
 			}
 
-			if ($parentThrowType === null) {
+			if ($parentThrowType === null || $parentThrowType instanceof VoidType) {
 				$messages[] = sprintf(
 					'PHPDoc tag @throws with type %s is not compatible with parent',
 					$throwType->describe(VerbosityLevel::typeOnly())

tests/src/Rules/data/throws-inheritance-interfaces.php

@@ -24,6 +24,11 @@ public function __construct();
 
 	public function parentWithoutThrows(): void;
 
+	/**
+	 * @throws void
+	 */
+	public function parentWithThrowsVoid(): void;
+
 }
 
 interface ThrowsAnnotations extends BaseThrowsAnnotations
@@ -49,6 +54,11 @@ public function __construct();
 	 */
 	public function parentWithoutThrows(): void; // error: PHPDoc tag @throws with type Pepakriz\PHPStanExceptionRules\Rules\Data\InheritanceInterfaces\BaseException is not compatible with parent
 
+	/**
+	 * @throws BaseException
+	 */
+	public function parentWithThrowsVoid(): void; // error: PHPDoc tag @throws with type Pepakriz\PHPStanExceptionRules\Rules\Data\InheritanceInterfaces\BaseException is not compatible with parent
+
 }
 
 class Implementation implements BaseThrowsAnnotations
@@ -86,4 +96,12 @@ public function parentWithoutThrows(): void // error: PHPDoc tag @throws with ty
 
 	}
 
+	/**
+	 * @throws BaseException
+	 */
+	public function parentWithThrowsVoid(): void // error: PHPDoc tag @throws with type Pepakriz\PHPStanExceptionRules\Rules\Data\InheritanceInterfaces\BaseException is not compatible with parent
+	{
+
+	}
+
 }