FIR: introduce not implemented checker

compiler/testData/diagnostics/tests/override/AbstractFunNotImplemented.fir.kt

@@ -1,6 +0,0 @@
-abstract class A {
-    abstract fun foo(): Int
-}
-
-class B() : A() {
-}

compiler/testData/diagnostics/tests/override/AbstractFunNotImplemented.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 abstract class A {
     abstract fun foo(): Int
 }

compiler/testData/diagnostics/tests/override/AbstractValNotImplemented.fir.kt

@@ -1,6 +0,0 @@
-abstract class A {
-    abstract val i: Int
-}
-
-class B() : A() {
-}

compiler/testData/diagnostics/tests/override/AbstractValNotImplemented.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 abstract class A {
     abstract val i: Int
 }

compiler/testData/diagnostics/tests/override/AbstractVarNotImplemented.fir.kt

@@ -1,6 +0,0 @@
-abstract class A {
-    abstract var i: Int
-}
-
-class B() : A() {
-}

compiler/testData/diagnostics/tests/override/AbstractVarNotImplemented.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 abstract class A {
     abstract var i: Int
 }

compiler/testData/diagnostics/tests/override/NonGenerics.fir.kt

@@ -21,21 +21,21 @@ open class MyClass() : MyTrait, MyAbstractClass() {
 
 class MyChildClass() : MyClass() {}
 
-class MyIllegalClass : MyTrait, MyAbstractClass() {}
+<!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>class MyIllegalClass<!> : MyTrait, MyAbstractClass() {}
 
-class MyIllegalClass2() : MyTrait, MyAbstractClass() {
+<!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class MyIllegalClass2<!>() : MyTrait, MyAbstractClass() {
     override fun foo() {}
     override val pr : Unit = Unit
     override val prr : Unit = Unit
 }
 
-class MyIllegalClass3() : MyTrait, MyAbstractClass() {
+<!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>class MyIllegalClass3<!>() : MyTrait, MyAbstractClass() {
     override fun bar() {}
     override val pr : Unit = Unit
     override val prr : Unit = Unit
 }
 
-class MyIllegalClass4() : MyTrait, MyAbstractClass() {
+<!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class MyIllegalClass4<!>() : MyTrait, MyAbstractClass() {
     fun foo() {}
     <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>val pr : Unit<!>
     override fun other() {}

compiler/testData/diagnostics/tests/override/kt12358.fir.kt

@@ -1,9 +0,0 @@
-abstract class A {
-    abstract override fun toString(): String
-}
-
-interface B
-
-abstract class C : A(), B
-
-class Test : C()

compiler/testData/diagnostics/tests/override/kt12358.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 abstract class A {
     abstract override fun toString(): String
 }

compiler/testData/diagnostics/tests/override/kt12467.fir.kt

@@ -1,14 +0,0 @@
-interface A {
-    fun test() {
-    }
-}
-
-interface B : A {
-    override fun test()
-}
-
-interface C : A
-
-interface D : C, B
-
-class K : D

compiler/testData/diagnostics/tests/override/kt12467.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 interface A {
     fun test() {
     }

compiler/testData/diagnostics/tests/override/kt2052.fir.kt

@@ -1,10 +0,0 @@
-interface Runnable {
-    fun run()
-}
-
-class C {
-    fun f() {
-        class MyRunnable(): Runnable {
-        }
-    }
-}

compiler/testData/diagnostics/tests/override/kt2052.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 interface Runnable {
     fun run()
 }

compiler/testData/diagnostics/tests/override/kt4763property.fir.kt

@@ -6,6 +6,6 @@ open class Q {
     val x: Int = 42
 }
 
-class R : P, Q()
+<!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>class R<!> : P, Q()
 
 val s: Q = object : Q(), P {}

compiler/testData/diagnostics/tests/override/overrideMemberFromFinalClass.fir.kt

@@ -22,7 +22,7 @@ abstract class A2 {
     abstract fun foo()
 }
 
-class B2 : A2()
+<!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class B2<!> : A2()
 class C2 : B2() {
     override fun foo() {}
 }