do not skip Generator for MissingTypehintCheck

conf/bleedingEdge.neon

@@ -10,5 +10,6 @@ parameters:
 		internalTag: true
 		newStaticInAbstractClassStaticMethod: true
 		checkExtensionsForComparisonOperators: true
+		checkGenericIterableClasses: true
 		reportTooWideBool: true
 		rawMessageInBaseline: true

conf/config.neon

@@ -34,6 +34,7 @@ parameters:
 		internalTag: false
 		newStaticInAbstractClassStaticMethod: false
 		checkExtensionsForComparisonOperators: false
+		checkGenericIterableClasses: false
 		reportTooWideBool: false
 		rawMessageInBaseline: false
 	fileExtensions:

conf/parametersSchema.neon

@@ -37,6 +37,7 @@ parametersSchema:
 		internalTag: bool()
 		newStaticInAbstractClassStaticMethod: bool()
 		checkExtensionsForComparisonOperators: bool()
+		checkGenericIterableClasses: bool()
 		reportTooWideBool: bool()
 		rawMessageInBaseline: bool()
 	])

src/Rules/MissingTypehintCheck.php

@@ -54,6 +54,8 @@ public function __construct(
 		private bool $checkMissingCallableSignature,
 		#[AutowiredParameter(ref: '%featureToggles.skipCheckGenericClasses%')]
 		private array $skipCheckGenericClasses,
+		#[AutowiredParameter(ref: '%featureToggles.checkGenericIterableClasses%')]
+		private bool $checkGenericIterableClasses,
 	)
 	{
 	}
@@ -118,7 +120,10 @@ public function getNonGenericObjectTypesWithGenericClass(Type $type): array
 				if ($classReflection === null) {
 					return $type;
 				}
-				if (in_array($classReflection->getName(), self::ITERABLE_GENERIC_CLASS_NAMES, true)) {
+				if (
+					$this->checkGenericIterableClasses !== true &&
+					in_array($classReflection->getName(), self::ITERABLE_GENERIC_CLASS_NAMES, true)
+				) {
 					// checked by getIterableTypesWithMissingValueTypehint() already
 					return $type;
 				}

stubs/PDOStatement.stub

@@ -21,7 +21,7 @@ class PDOStatement implements Traversable, IteratorAggregate
     public function getColumnMeta(int $column) {}
 
     /**
-     * @return Iterator
+     * @return Iterator<mixed, array<int|string, mixed>>
      */
     public function getIterator() {}
 }

stubs/runtime/ReflectionAttribute.php

@@ -22,10 +22,16 @@ public function isRepeated(): bool
 		{
 		}
 
+		/**
+		 * @return array<array-key, mixed>;
+		 */
 		public function getArguments(): array
 		{
 		}
 
+		/**
+		 * @return self
+		 */
 		public function newInstance(): object
 		{
 		}

tests/PHPStan/Analyser/nsrt/bug-8886.php

@@ -9,5 +9,5 @@ function testPDOStatementGetIterator(): void {
 	$pdo = new PDO('sqlite::memory:');
     $stmt = $pdo->query('SELECT 1');
 
-	assertType('Iterator', $stmt->getIterator());
+	assertType('Iterator<mixed, array<int|string, mixed>>', $stmt->getIterator());
 }

tests/PHPStan/Rules/Classes/LocalTypeAliasesRuleTest.php

@@ -28,7 +28,7 @@ protected function getRule(): Rule
 				['GlobalTypeAlias' => 'int|string'],
 				self::createReflectionProvider(),
 				self::getContainer()->getByType(TypeNodeResolver::class),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new ClassNameCheck(
 					new ClassCaseSensitivityCheck($reflectionProvider, true),
 					new ClassForbiddenNameCheck(self::getContainer()),

tests/PHPStan/Rules/Classes/LocalTypeTraitAliasesRuleTest.php

@@ -27,7 +27,7 @@ protected function getRule(): Rule
 				['GlobalTypeAlias' => 'int|string'],
 				self::createReflectionProvider(),
 				self::getContainer()->getByType(TypeNodeResolver::class),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new ClassNameCheck(
 					new ClassCaseSensitivityCheck($reflectionProvider, true),
 					new ClassForbiddenNameCheck(self::getContainer()),

tests/PHPStan/Rules/Classes/LocalTypeTraitUseAliasesRuleTest.php

@@ -27,7 +27,7 @@ protected function getRule(): Rule
 				['GlobalTypeAlias' => 'int|string'],
 				self::createReflectionProvider(),
 				self::getContainer()->getByType(TypeNodeResolver::class),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new ClassNameCheck(
 					new ClassCaseSensitivityCheck($reflectionProvider, true),
 					new ClassForbiddenNameCheck(self::getContainer()),

tests/PHPStan/Rules/Classes/MethodTagRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/MethodTagTraitRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/MethodTagTraitUseRuleTest.php

@@ -32,7 +32,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/MixinRuleTest.php

@@ -32,7 +32,7 @@ protected function getRule(): Rule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,
@@ -68,6 +68,10 @@ public function testRule(): void
 				'PHPDoc tag @mixin contains generic class ReflectionClass but does not specify its types: T',
 				50,
 			],
+			[
+				'PHPDoc tag @mixin contains generic interface Iterator but does not specify its types: TKey, TValue',
+				50,
+			],
 			[
 				'PHPDoc tag @mixin contains unknown class MixinRule\UnknownestClass.',
 				50,

tests/PHPStan/Rules/Classes/MixinTraitRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): Rule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/MixinTraitUseRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): Rule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/PropertyTagRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/PropertyTagTraitRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Classes/PropertyTagTraitUseRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): TRule
 					self::getContainer(),
 				),
 				new GenericObjectTypeCheck(),
-				new MissingTypehintCheck(true, []),
+				new MissingTypehintCheck(true, [], true),
 				new UnresolvableTypeHelper(),
 				true,
 				true,

tests/PHPStan/Rules/Constants/MissingClassConstantTypehintRuleTest.php

@@ -15,7 +15,7 @@ class MissingClassConstantTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingClassConstantTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingClassConstantTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Functions/MissingFunctionParameterTypehintRuleTest.php

@@ -14,7 +14,7 @@ class MissingFunctionParameterTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingFunctionParameterTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingFunctionParameterTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void
@@ -71,6 +71,11 @@ public function testRule(): void
 				148,
 				MissingTypehintCheck::MISSING_ITERABLE_VALUE_TYPE_TIP,
 			],
+			[
+				'Function MissingFunctionParameterTypehint\missingTraversableTypehint() has parameter $traversable with generic interface Traversable but does not specify its types: TKey, TValu',
+				148,
+				MissingTypehintCheck::MISSING_ITERABLE_VALUE_TYPE_TIP,
+			],
 			[
 				'Function MissingFunctionParameterTypehint\missingTraversableTypehintPhpDoc() has parameter $traversable with no value type specified in iterable type Traversable.',
 				156,

tests/PHPStan/Rules/Functions/MissingFunctionReturnTypehintRuleTest.php

@@ -14,7 +14,7 @@ class MissingFunctionReturnTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingFunctionReturnTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingFunctionReturnTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Functions/data/missing-function-parameter-typehint.php

@@ -63,15 +63,15 @@ function unionTypeWithUnknownArrayValueTypehint($a)
 	}
 
 	/**
-	 * @param iterable<int>&\Traversable $a
+	 * @param iterable<int>&\Traversable<array-key,int> $a
 	 */
 	function iterableIntersectionTypehint($a)
 	{
 
 	}
 
 	/**
-	 * @param iterable<mixed>&\Traversable $a
+	 * @param iterable<mixed>&\Traversable<array-key,mixed> $a
 	 */
 	function iterableIntersectionTypehint2($a)
 	{
@@ -151,7 +151,7 @@ function missingTraversableTypehint(\Traversable $traversable)
 	}
 
 	/**
-	 * @param \Traversable $traversable
+	 * @param \Traversable<array-key, mixed> $traversable
 	 */
 	function missingTraversableTypehintPhpDoc($traversable)
 	{

tests/PHPStan/Rules/Methods/MissingMethodParameterTypehintRuleTest.php

@@ -14,7 +14,7 @@ class MissingMethodParameterTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingMethodParameterTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingMethodParameterTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Methods/MissingMethodReturnTypehintRuleTest.php

@@ -15,7 +15,7 @@ class MissingMethodReturnTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingMethodReturnTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingMethodReturnTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Methods/MissingMethodSelfOutTypeRuleTest.php

@@ -14,7 +14,7 @@ class MissingMethodSelfOutTypeRuleTest extends RuleTestCase
 
 	protected function getRule(): TRule
 	{
-		return new MissingMethodSelfOutTypeRule(new MissingTypehintCheck(true, []));
+		return new MissingMethodSelfOutTypeRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Methods/data/missing-method-return-typehint.php

@@ -106,7 +106,7 @@ public function doFoo(): callable
 class IterableIntersection
 {
 
-	/** @return FooInterface[]|\Traversable */
+	/** @return FooInterface[]|\Traversable<array-key, FooInterface> */
 	public function doFoo(): \Traversable
 	{
 

tests/PHPStan/Rules/PhpDoc/FunctionAssertRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): Rule
 				$reflectionProvider,
 				self::getContainer(),
 			),
-			new MissingTypehintCheck(true, []),
+			new MissingTypehintCheck(true, [], true),
 			new GenericObjectTypeCheck(),
 			true,
 			true,

tests/PHPStan/Rules/PhpDoc/InvalidPhpDocVarTagTypeRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): Rule
 				self::getContainer(),
 			),
 			new GenericObjectTypeCheck(),
-			new MissingTypehintCheck(true, []),
+			new MissingTypehintCheck(true, [], true),
 			new UnresolvableTypeHelper(),
 			true,
 			true,

tests/PHPStan/Rules/PhpDoc/MethodAssertRuleTest.php

@@ -31,7 +31,7 @@ protected function getRule(): Rule
 				$reflectionProvider,
 				self::getContainer(),
 			),
-			new MissingTypehintCheck(true, []),
+			new MissingTypehintCheck(true, [], true),
 			new GenericObjectTypeCheck(),
 			true,
 			true,

tests/PHPStan/Rules/Properties/MissingPropertyTypehintRuleTest.php

@@ -14,7 +14,7 @@ class MissingPropertyTypehintRuleTest extends RuleTestCase
 
 	protected function getRule(): Rule
 	{
-		return new MissingPropertyTypehintRule(new MissingTypehintCheck(true, []));
+		return new MissingPropertyTypehintRule(new MissingTypehintCheck(true, [], true));
 	}
 
 	public function testRule(): void

tests/PHPStan/Rules/Properties/SetPropertyHookParameterRuleTest.php

@@ -15,7 +15,7 @@ class SetPropertyHookParameterRuleTest extends RuleTestCase
 
 	protected function getRule(): TRule
 	{
-		return new SetPropertyHookParameterRule(new MissingTypehintCheck(true, []), true, true);
+		return new SetPropertyHookParameterRule(new MissingTypehintCheck(true, [], true), true, true);
 	}
 
 	#[RequiresPhp('>= 8.4')]