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Allow data classes to inherit from other classes

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#KT-10330 Fixed
This commit is contained in:
Alexander Udalov
2016-06-20 16:45:28 +03:00
parent 065c4e19ec
commit e68de436bb
9 changed files with 109 additions and 20 deletions
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compiler/testData/codegen/box/dataClasses/nonTrivialFinalMemberInSuperClass.kt
Vendored
-3
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@@ -1,6 +1,3 @@
// TODO: remove the suppression once data classes can have supertypes
@file:Suppress("DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES")
abstract class Base {
final override fun toString() = "OK"
final override fun hashCode() = 42
compiler/testData/codegen/box/dataClasses/nonTrivialMemberInSuperClass.kt
Vendored
-2
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@@ -1,6 +1,4 @@
// See KT-6206 Always generate hashCode() and equals() for data classes even if base classes have non-trivial analogs
// TODO: remove the suppression once data classes can have supertypes
@file:Suppress("DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES")
abstract class Base {
override fun toString() = "Fail"
compiler/testData/diagnostics/tests/dataClasses/dataInheritance.kt
Vendored
+6 -4
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@@ -1,11 +1,13 @@
interface Allowed
interface SuperInterface
open class NotAllowed
open class SuperClass
<!INCOMPATIBLE_MODIFIERS!>abstract<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class Base(val x: Int)
class Derived: Base(42)
<!DATA_CLASS_OVERRIDE_CONFLICT!>data<!> class Nasty(val z: Int, val y: Int): <!DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES!>Base<!>(z)
<!DATA_CLASS_OVERRIDE_CONFLICT!>data<!> class Nasty(val z: Int, val y: Int): Base(z)
data class Complex(val y: Int): Allowed, <!DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES!>NotAllowed<!>()
data class Complex(val y: Int): SuperInterface, SuperClass()
<!DATA_CLASS_OVERRIDE_CONFLICT!>data<!> class SubData(val sss: String) : <!FINAL_SUPERTYPE!>Complex<!>(42)
compiler/testData/diagnostics/tests/dataClasses/dataInheritance.txt
Vendored
+21 -9
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@@ -1,11 +1,5 @@
package
public interface Allowed {
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 abstract data class Base {
public constructor Base(/*0*/ x: kotlin.Int)
public final val x: kotlin.Int
@@ -16,7 +10,7 @@ public abstract data class Base {
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public final data class Complex : Allowed, NotAllowed {
public final data class Complex : SuperInterface, SuperClass {
public constructor Complex(/*0*/ y: kotlin.Int)
public final val y: kotlin.Int
public final operator /*synthesized*/ fun component1(): kotlin.Int
@@ -50,8 +44,26 @@ public final data class Nasty : Base {
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
public open class NotAllowed {
public constructor NotAllowed()
public final data class SubData : Complex {
public constructor SubData(/*0*/ sss: kotlin.String)
public final val sss: kotlin.String
public final override /*1*/ /*fake_override*/ val y: kotlin.Int
public final override /*1*/ /*synthesized*/ fun component1(): kotlin.String
public final override /*1*/ /*fake_override*/ fun copy(/*0*/ y: kotlin.Int = ...): Complex
public final /*synthesized*/ fun copy(/*0*/ sss: kotlin.String = ...): SubData
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 SuperClass {
public constructor SuperClass()
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 SuperInterface {
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/sourceCompatibility/noDataClassInheritance.kt
Vendored
+13
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@@ -0,0 +1,13 @@
// !LANGUAGE: -DataClassInheritance
interface Allowed
open class NotAllowed
<!INCOMPATIBLE_MODIFIERS!>abstract<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class Base(val x: Int)
class Derived: Base(42)
<!DATA_CLASS_OVERRIDE_CONFLICT!>data<!> class Nasty(val z: Int, val y: Int): <!DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES!>Base<!>(z)
data class Complex(val y: Int): Allowed, <!DATA_CLASS_CANNOT_HAVE_CLASS_SUPERTYPES!>NotAllowed<!>()
compiler/testData/diagnostics/tests/sourceCompatibility/noDataClassInheritance.txt
Vendored
+58
View File
@@ -0,0 +1,58 @@
package
public interface Allowed {
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 abstract data class Base {
public constructor Base(/*0*/ x: kotlin.Int)
public final val x: kotlin.Int
public final operator /*synthesized*/ fun component1(): kotlin.Int
public final /*synthesized*/ fun copy(/*0*/ x: kotlin.Int = ...): 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 data class Complex : Allowed, NotAllowed {
public constructor Complex(/*0*/ y: kotlin.Int)
public final val y: kotlin.Int
public final operator /*synthesized*/ fun component1(): kotlin.Int
public final /*synthesized*/ fun copy(/*0*/ y: kotlin.Int = ...): Complex
public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
}
public final class Derived : Base {
public constructor Derived()
public final override /*1*/ /*fake_override*/ val x: kotlin.Int
public final override /*1*/ /*fake_override*/ fun component1(): kotlin.Int
public final override /*1*/ /*fake_override*/ fun copy(/*0*/ x: kotlin.Int = ...): 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 data class Nasty : Base {
public constructor Nasty(/*0*/ z: kotlin.Int, /*1*/ y: kotlin.Int)
public final override /*1*/ /*fake_override*/ val x: kotlin.Int
public final val y: kotlin.Int
public final val z: kotlin.Int
public final override /*1*/ /*synthesized*/ fun component1(): kotlin.Int
public final operator /*synthesized*/ fun component2(): kotlin.Int
public final override /*1*/ /*fake_override*/ fun copy(/*0*/ x: kotlin.Int = ...): Base
public final /*synthesized*/ fun copy(/*0*/ z: kotlin.Int = ..., /*1*/ y: kotlin.Int = ...): Nasty
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 NotAllowed {
public constructor NotAllowed()
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
}