[FE 1.0] Support java sealed classes

^KT-46778 Fixed

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedClassExhaustiveness.fir.kt

@@ -0,0 +1,44 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// ISSUE: KT-41215, KT-43551
+
+// FILE: Base.java
+public sealed class Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.java
+public sealed class B extends Base permits B.C, B.D {
+    public static final class C implements B {}
+
+    public static non-sealed class D extends B {}
+}
+
+// FILE: main.kt
+fun test_ok_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B -> 2
+    }
+}
+
+fun test_ok_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+    }
+}
+
+fun test_error_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+    }
+}
+
+fun test_error_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+    }
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedClassExhaustiveness.kt

@@ -0,0 +1,44 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// ISSUE: KT-41215, KT-43551
+
+// FILE: Base.java
+public sealed class Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.java
+public sealed class B extends Base permits B.C, B.D {
+    public static final class C implements B {}
+
+    public static non-sealed class D extends B {}
+}
+
+// FILE: main.kt
+fun test_ok_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B -> 2
+    }
+}
+
+fun test_ok_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+    }
+}
+
+fun test_error_1(base: Base) {
+    val x = <!NO_ELSE_IN_WHEN!>when<!> (base) {
+        is A -> 1
+    }
+}
+
+fun test_error_2(base: Base) {
+    val x = <!NO_ELSE_IN_WHEN!>when<!> (base) {
+        is A -> 1
+        is B.C -> 2
+    }
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedClassExhaustiveness.txt

@@ -0,0 +1,41 @@
+package
+
+public fun test_error_1(/*0*/ base: Base): kotlin.Unit
+public fun test_error_2(/*0*/ base: Base): kotlin.Unit
+public fun test_ok_1(/*0*/ base: Base): kotlin.Unit
+public fun test_ok_2(/*0*/ base: Base): kotlin.Unit
+
+public final class A : Base {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public sealed class B : Base {
+    public constructor B()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final class C : B {
+        public constructor C()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public open class D : B {
+        public constructor D()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+public sealed class Base {
+    public constructor Base()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedInterfaceExhaustiveness.fir.kt

@@ -0,0 +1,64 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// ISSUE: KT-41215, KT-43551
+
+// FILE: Base.java
+public sealed interface Base permits A, B, E {}
+
+// FILE: A.java
+public non-sealed interface A extends Base {}
+
+// FILE: B.java
+public sealed interface B extends Base permits B.C, B.D {
+    public static final class C implements B {}
+
+    public static non-sealed interface D extends B {}
+}
+
+// FILE: E.java
+public enum E implements Base {
+    First, Second
+}
+
+// FILE: main.kt
+fun test_ok_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B -> 2
+        is E -> 3
+    }
+}
+
+fun test_ok_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+        E.First -> 4
+        E.Second -> 5
+    }
+}
+
+fun test_error_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B -> 2
+    }
+}
+
+fun test_error_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+        E.Second -> 5
+    }
+}
+
+fun test_error_3(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        E.First -> 4
+        E.Second -> 5
+    }
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedInterfaceExhaustiveness.kt

@@ -0,0 +1,64 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// ISSUE: KT-41215, KT-43551
+
+// FILE: Base.java
+public sealed interface Base permits A, B, E {}
+
+// FILE: A.java
+public non-sealed interface A extends Base {}
+
+// FILE: B.java
+public sealed interface B extends Base permits B.C, B.D {
+    public static final class C implements B {}
+
+    public static non-sealed interface D extends B {}
+}
+
+// FILE: E.java
+public enum E implements Base {
+    First, Second
+}
+
+// FILE: main.kt
+fun test_ok_1(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B -> 2
+        is E -> 3
+    }
+}
+
+fun test_ok_2(base: Base) {
+    val x = when (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+        E.First -> 4
+        E.Second -> 5
+    }
+}
+
+fun test_error_1(base: Base) {
+    val x = <!NO_ELSE_IN_WHEN!>when<!> (base) {
+        is A -> 1
+        is B -> 2
+    }
+}
+
+fun test_error_2(base: Base) {
+    val x = <!NO_ELSE_IN_WHEN!>when<!> (base) {
+        is A -> 1
+        is B.C -> 2
+        is B.D -> 3
+        E.Second -> 5
+    }
+}
+
+fun test_error_3(base: Base) {
+    val x = <!NO_ELSE_IN_WHEN!>when<!> (base) {
+        is A -> 1
+        is B.C -> 2
+        E.First -> 4
+        E.Second -> 5
+    }
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/javaSealedInterfaceExhaustiveness.txt

@@ -0,0 +1,60 @@
+package
+
+public fun test_error_1(/*0*/ base: Base): kotlin.Unit
+public fun test_error_2(/*0*/ base: Base): kotlin.Unit
+public fun test_error_3(/*0*/ base: Base): kotlin.Unit
+public fun test_ok_1(/*0*/ base: Base): kotlin.Unit
+public fun test_ok_2(/*0*/ base: Base): kotlin.Unit
+
+public interface A : Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public sealed interface B : Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    public final class C : B {
+        public constructor C()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public interface D : B {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+public sealed interface Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final enum class E : kotlin.Enum<E!>, Base {
+    enum entry First
+
+    enum entry Second
+
+    public constructor E()
+    public final override /*1*/ /*fake_override*/ val name: kotlin.String
+    public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+    protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+    public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: E!): kotlin.Int
+    @kotlin.Deprecated(level = DeprecationLevel.WARNING, message = "This member is not fully supported by Kotlin compiler, so it may be absent or have different signature in next major version", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public final override /*1*/ /*fake_override*/ fun describeConstable(): java.util.Optional<java.lang.Enum.EnumDesc<E!>!>!
+    public final override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    protected/*protected and package*/ final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun finalize(): kotlin.Unit
+    public final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun getDeclaringClass(): java.lang.Class<E!>!
+    public final override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): E
+    public final /*synthesized*/ fun values(): kotlin.Array<E>
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaClass.fir.kt

@@ -0,0 +1,11 @@
+// ISSUE: KT-41215
+
+// FILE: Base.java
+public sealed class Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.kt
+
+class B : Base()

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaClass.kt

@@ -0,0 +1,11 @@
+// ISSUE: KT-41215
+
+// FILE: Base.java
+public sealed class Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.kt
+
+class B : <!CLASS_INHERITS_JAVA_SEALED_CLASS!>Base<!>()

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaClass.txt

@@ -0,0 +1,22 @@
+package
+
+public final class A : Base {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class B : Base {
+    public constructor B()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public sealed class Base {
+    public constructor Base()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaInterface.fir.kt

@@ -0,0 +1,11 @@
+// ISSUE: KT-41215
+
+// FILE: Base.java
+public sealed interface Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.kt
+
+class B : Base

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaInterface.kt

@@ -0,0 +1,11 @@
+// ISSUE: KT-41215
+
+// FILE: Base.java
+public sealed interface Base permits A, B {}
+
+// FILE: A.java
+public final class A extends Base {}
+
+// FILE: B.kt
+
+class B : <!CLASS_INHERITS_JAVA_SEALED_CLASS!>Base<!>

compiler/testData/diagnostics/tests/testsWithJava17/sealedClasses/kotlinInheritsJavaInterface.txt

@@ -0,0 +1,21 @@
+package
+
+public final class A : Base {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class B : Base {
+    public constructor B()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public sealed interface Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}