K1: add use-site diagnostic about property shadowing by a field

Related to KT-50082

compiler/testData/diagnostics/tests/derivedClassPropertyShadowsBaseClassField.fir.kt

@@ -0,0 +1,48 @@
+// WITH_STDLIB
+// FILE: Base.java
+
+public class Base {
+    public String regular = "a";
+
+    public String withGetter = "b";
+
+    public String lateInit = "c";
+
+    public String lazyProp = "d";
+
+    public String withSetter = "e";
+
+    public String openProp = "f";
+}
+
+// FILE: test.kt
+
+open class Derived : Base() {
+    val regular = "aa"
+
+    val withGetter get() = "bb"
+
+    lateinit var lateInit: String
+
+    val lazyProp by lazy { "dd" }
+
+    var withSetter: String = "ee"
+        set(value) {
+            println(value)
+            field = value
+        }
+
+    open val openProp = "ff"
+}
+
+fun test(d: Derived) {
+    d.regular
+    d.withGetter
+    d.lateInit
+    d.lazyProp
+    d.withSetter = ""
+    d.openProp
+
+    d::withGetter
+    Derived::withGetter
+}

compiler/testData/diagnostics/tests/derivedClassPropertyShadowsBaseClassField.kt

@@ -0,0 +1,48 @@
+// WITH_STDLIB
+// FILE: Base.java
+
+public class Base {
+    public String regular = "a";
+
+    public String withGetter = "b";
+
+    public String lateInit = "c";
+
+    public String lazyProp = "d";
+
+    public String withSetter = "e";
+
+    public String openProp = "f";
+}
+
+// FILE: test.kt
+
+open class Derived : Base() {
+    val regular = "aa"
+
+    val withGetter get() = "bb"
+
+    lateinit var lateInit: String
+
+    val lazyProp by lazy { "dd" }
+
+    var withSetter: String = "ee"
+        set(value) {
+            println(value)
+            field = value
+        }
+
+    open val openProp = "ff"
+}
+
+fun test(d: Derived) {
+    d.regular
+    d.<!BASE_CLASS_FIELD_SHADOWS_DERIVED_CLASS_PROPERTY("Base; Derived")!>withGetter<!>
+    d.<!BACKING_FIELD_ACCESSED_DUE_TO_PROPERTY_FIELD_CONFLICT("Base; Derived")!>lateInit<!>
+    d.<!BASE_CLASS_FIELD_SHADOWS_DERIVED_CLASS_PROPERTY("Base; Derived")!>lazyProp<!>
+    d.<!BACKING_FIELD_ACCESSED_DUE_TO_PROPERTY_FIELD_CONFLICT("Base; Derived")!>withSetter<!> = ""
+    d.<!BASE_CLASS_FIELD_MAY_SHADOW_DERIVED_CLASS_PROPERTY("Base; Derived")!>openProp<!>
+
+    d::<!BASE_CLASS_FIELD_SHADOWS_DERIVED_CLASS_PROPERTY!>withGetter<!>
+    Derived::<!BASE_CLASS_FIELD_SHADOWS_DERIVED_CLASS_PROPERTY!>withGetter<!>
+}

compiler/testData/diagnostics/tests/derivedClassPropertyShadowsBaseClassField.txt

@@ -0,0 +1,35 @@
+package
+
+public fun test(/*0*/ d: Derived): kotlin.Unit
+
+public open class Base {
+    public constructor Base()
+    public final var lateInit: kotlin.String!
+    public final var lazyProp: kotlin.String!
+    public final var openProp: kotlin.String!
+    public final var regular: kotlin.String!
+    public final var withGetter: kotlin.String!
+    public final var withSetter: kotlin.String!
+    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 Derived : Base {
+    public constructor Derived()
+    public final lateinit var lateInit: kotlin.String
+    public final override /*1*/ /*fake_override*/ var lateInit: kotlin.String!
+    public final val lazyProp: kotlin.String
+    public final override /*1*/ /*fake_override*/ var lazyProp: kotlin.String!
+    public open val openProp: kotlin.String = "ff"
+    public final override /*1*/ /*fake_override*/ var openProp: kotlin.String!
+    public final val regular: kotlin.String = "aa"
+    public final override /*1*/ /*fake_override*/ var regular: kotlin.String!
+    public final val withGetter: kotlin.String
+    public final override /*1*/ /*fake_override*/ var withGetter: kotlin.String!
+    public final var withSetter: kotlin.String
+    public final override /*1*/ /*fake_override*/ var withSetter: kotlin.String!
+    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/derivedClassPropertyShadowsBaseClassField13.kt

@@ -0,0 +1,42 @@
+// FIR_IDENTICAL
+// !LANGUAGE: -PreferJavaFieldOverload
+// WITH_STDLIB
+// FILE: Base.java
+
+public class Base {
+    public String a = "a";
+
+    public String b = "b";
+
+    public String c = "c";
+
+    public String d = "d";
+
+    public String e = "e";
+}
+
+// FILE: test.kt
+
+class Derived : Base() {
+    val a = "aa"
+
+    val b get() = "bb"
+
+    lateinit var c: String
+
+    val d by lazy { "dd" }
+
+    var e: String = "ee"
+        set(value) {
+            println(value)
+            field = value
+        }
+}
+
+fun test(d: Derived) {
+    d.<!OVERLOAD_RESOLUTION_AMBIGUITY!>a<!>
+    d.<!OVERLOAD_RESOLUTION_AMBIGUITY!>b<!>
+    d.<!OVERLOAD_RESOLUTION_AMBIGUITY!>c<!>
+    d.<!OVERLOAD_RESOLUTION_AMBIGUITY!>d<!>
+    d.<!OVERLOAD_RESOLUTION_AMBIGUITY!>e<!> = ""
+}

compiler/testData/diagnostics/tests/derivedClassPropertyShadowsBaseClassField13.txt

@@ -0,0 +1,32 @@
+package
+
+public fun test(/*0*/ d: Derived): kotlin.Unit
+
+public open class Base {
+    public constructor Base()
+    public final var a: kotlin.String!
+    public final var b: kotlin.String!
+    public final var c: kotlin.String!
+    public final var d: kotlin.String!
+    public final var e: kotlin.String!
+    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 Derived : Base {
+    public constructor Derived()
+    public final val a: kotlin.String = "aa"
+    public final override /*1*/ /*fake_override*/ var a: kotlin.String!
+    public final val b: kotlin.String
+    public final override /*1*/ /*fake_override*/ var b: kotlin.String!
+    public final lateinit var c: kotlin.String
+    public final override /*1*/ /*fake_override*/ var c: kotlin.String!
+    public final val d: kotlin.String
+    public final override /*1*/ /*fake_override*/ var d: kotlin.String!
+    public final var e: kotlin.String
+    public final override /*1*/ /*fake_override*/ var e: kotlin.String!
+    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/j+k/fieldOverridesNothing.fir.kt

@@ -0,0 +1,21 @@
+// !LANGUAGE: +PreferJavaFieldOverload
+
+// FILE: B.java
+
+public abstract class B implements A {
+    public int size = 1;
+}
+
+// FILE: main.kt
+
+interface A {
+    val size: Int
+}
+
+class C : B() {
+    override val size: Int get() = 1
+}
+
+fun foo() {
+    C().size
+}

compiler/testData/diagnostics/tests/j+k/fieldOverridesNothing.kt

@@ -1,4 +1,3 @@
-// FIR_IDENTICAL
 // !LANGUAGE: +PreferJavaFieldOverload
 
 // FILE: B.java
@@ -18,5 +17,5 @@ class C : B() {
 }
 
 fun foo() {
-    C().size
-}
+    C().<!BASE_CLASS_FIELD_SHADOWS_DERIVED_CLASS_PROPERTY!>size<!>
+}