[K/N] Do not export all operator component functions in data classes

^KT-57507

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportMapper.kt

@@ -78,12 +78,11 @@ private fun isSealedClassConstructor(descriptor: ConstructorDescriptor) = descri
  * Check that given [method] is a synthetic .componentN() method of a data class.
  */
 private fun isComponentNMethod(method: CallableMemberDescriptor): Boolean {
-    if (method.kind == CallableMemberDescriptor.Kind.SYNTHESIZED) {
+    if ((method as? FunctionDescriptor)?.isOperator != true) return false
-        val parent = method.containingDeclaration
+    val parent = method.containingDeclaration
-        if (parent is ClassDescriptor && parent.isData && DataClassResolver.isComponentLike(method.name)) {
+    if (parent is ClassDescriptor && parent.isData && DataClassResolver.isComponentLike(method.name)) {
-            // componentN method of data class.
+        // componentN method of data class.
-            return true
+        return true
-        }
     }
     return false
 }

kotlin-native/backend.native/tests/objcexport/dataClassComponentMethods.kt

@@ -24,3 +24,8 @@ class RegularClassWithComponentMethods {
 
 fun component1() = 5
 fun component4() = 6
+
+data class DataClassWithStrangeNames(val component124: Int, val componentABC: Int) {
+    operator fun component15() = component124
+    fun component16() = component124
+}

kotlin-native/backend.native/tests/objcexport/dataClassComponentMethods.swift

@@ -27,6 +27,16 @@ private func testTopLevelComponentMethodsAreAccessible() throws {
     try assertEquals(actual: DataClassComponentMethodsKt.component4(), expected: 6)
 }
 
+private func testComponentExportedOrNot() throws {
+    try assertFalse(class_respondsToSelector(object_getClass(DataClassWithStrangeNames.self), NSSelectorFromString("component1")));
+    try assertFalse(class_respondsToSelector(object_getClass(DataClassWithStrangeNames.self), NSSelectorFromString("component2")));
+    try assertFalse(class_respondsToSelector(object_getClass(DataClassWithStrangeNames.self), NSSelectorFromString("component15")));
+    let r = DataClassWithStrangeNames(component124: 1,  componentABC:2)
+    try assertEquals(actual: r.component124, expected: 1)
+    try assertEquals(actual: r.componentABC, expected: 2)
+    try assertEquals(actual: r.component16(), expected: 1)
+}
+
 class DataClassComponentMethodsTests : SimpleTestProvider {
     override init() {
         super.init()
@@ -34,5 +44,6 @@ class DataClassComponentMethodsTests : SimpleTestProvider {
         test("testCustomComponentMethodsAreAccessible", testCustomComponentMethodsAreAccessible)
         test("testRegularComponentMethodsAreAccessible", testRegularComponentMethodsAreAccessible)
         test("testTopLevelComponentMethodsAreAccessible", testTopLevelComponentMethodsAreAccessible)
+        test("testComponentExportedOrNot", testComponentExportedOrNot)
     }
 }

kotlin-native/backend.native/tests/objcexport/expectedLazy.h

@@ -450,6 +450,19 @@ __attribute__((swift_name("RegularClassWithComponentMethods")))
 - (int32_t)component3 __attribute__((swift_name("component3()")));
 @end
 
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("DataClassWithStrangeNames")))
+@interface KtDataClassWithStrangeNames : KtBase
+- (instancetype)initWithComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("init(component124:componentABC:)"))) __attribute__((objc_designated_initializer));
+- (int32_t)component16 __attribute__((swift_name("component16()")));
+- (BOOL)isEqual:(id _Nullable)other __attribute__((swift_name("isEqual(_:)")));
+- (NSUInteger)hash __attribute__((swift_name("hash()")));
+- (NSString *)description __attribute__((swift_name("description()")));
+- (KtDataClassWithStrangeNames *)doCopyComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("doCopy(component124:componentABC:)")));
+@property (readonly) int32_t component124 __attribute__((swift_name("component124")));
+@property (readonly) int32_t componentABC __attribute__((swift_name("componentABC")));
+@end
+
 __attribute__((objc_subclassing_restricted))
 __attribute__((swift_name("DataClassComponentMethodsKt")))
 @interface KtDataClassComponentMethodsKt : KtBase

kotlin-native/backend.native/tests/objcexport/expectedLazyLegacySuspendUnit.h

@@ -450,6 +450,19 @@ __attribute__((swift_name("RegularClassWithComponentMethods")))
 - (int32_t)component3 __attribute__((swift_name("component3()")));
 @end
 
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("DataClassWithStrangeNames")))
+@interface KtDataClassWithStrangeNames : KtBase
+- (instancetype)initWithComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("init(component124:componentABC:)"))) __attribute__((objc_designated_initializer));
+- (int32_t)component16 __attribute__((swift_name("component16()")));
+- (BOOL)isEqual:(id _Nullable)other __attribute__((swift_name("isEqual(_:)")));
+- (NSUInteger)hash __attribute__((swift_name("hash()")));
+- (NSString *)description __attribute__((swift_name("description()")));
+- (KtDataClassWithStrangeNames *)doCopyComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("doCopy(component124:componentABC:)")));
+@property (readonly) int32_t component124 __attribute__((swift_name("component124")));
+@property (readonly) int32_t componentABC __attribute__((swift_name("componentABC")));
+@end
+
 __attribute__((objc_subclassing_restricted))
 __attribute__((swift_name("DataClassComponentMethodsKt")))
 @interface KtDataClassComponentMethodsKt : KtBase

kotlin-native/backend.native/tests/objcexport/expectedLazyNoGenerics.h

@@ -450,6 +450,19 @@ __attribute__((swift_name("RegularClassWithComponentMethods")))
 - (int32_t)component3 __attribute__((swift_name("component3()")));
 @end
 
+__attribute__((objc_subclassing_restricted))
+__attribute__((swift_name("DataClassWithStrangeNames")))
+@interface KtDataClassWithStrangeNames : KtBase
+- (instancetype)initWithComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("init(component124:componentABC:)"))) __attribute__((objc_designated_initializer));
+- (int32_t)component16 __attribute__((swift_name("component16()")));
+- (BOOL)isEqual:(id _Nullable)other __attribute__((swift_name("isEqual(_:)")));
+- (NSUInteger)hash __attribute__((swift_name("hash()")));
+- (NSString *)description __attribute__((swift_name("description()")));
+- (KtDataClassWithStrangeNames *)doCopyComponent124:(int32_t)component124 componentABC:(int32_t)componentABC __attribute__((swift_name("doCopy(component124:componentABC:)")));
+@property (readonly) int32_t component124 __attribute__((swift_name("component124")));
+@property (readonly) int32_t componentABC __attribute__((swift_name("componentABC")));
+@end
+
 __attribute__((objc_subclassing_restricted))
 __attribute__((swift_name("DataClassComponentMethodsKt")))
 @interface KtDataClassComponentMethodsKt : KtBase