[Raw FIR] don't add an implicit Any super reference to kotlin/Any itself

KTIJ-27966

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/FirOutOfContentRootLazyBodiesCalculatorTestGenerated.java

@@ -219,6 +219,18 @@ public class FirOutOfContentRootLazyBodiesCalculatorTestGenerated extends Abstra
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/invalidDestructing.kt");
         }
 
+        @Test
+        @TestMetadata("kotlinAny.kt")
+        public void testKotlinAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt");
+        }
+
+        @Test
+        @TestMetadata("kotlinAnyNonTopLevel.kt")
+        public void testKotlinAnyNonTopLevel() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt");
+        }
+
         @Test
         @TestMetadata("localDeclarationsInEnumEntry.kt")
         public void testLocalDeclarationsInEnumEntry() throws Exception {
@@ -309,6 +321,12 @@ public class FirOutOfContentRootLazyBodiesCalculatorTestGenerated extends Abstra
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/typeParameters.kt");
         }
 
+        @Test
+        @TestMetadata("userAny.kt")
+        public void testUserAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt");
+        }
+
         @Test
         @TestMetadata("where.kt")
         public void testWhere() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/FirSourceLazyBodiesCalculatorTestGenerated.java

@@ -219,6 +219,18 @@ public class FirSourceLazyBodiesCalculatorTestGenerated extends AbstractFirSourc
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/invalidDestructing.kt");
         }
 
+        @Test
+        @TestMetadata("kotlinAny.kt")
+        public void testKotlinAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt");
+        }
+
+        @Test
+        @TestMetadata("kotlinAnyNonTopLevel.kt")
+        public void testKotlinAnyNonTopLevel() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt");
+        }
+
         @Test
         @TestMetadata("localDeclarationsInEnumEntry.kt")
         public void testLocalDeclarationsInEnumEntry() throws Exception {
@@ -309,6 +321,12 @@ public class FirSourceLazyBodiesCalculatorTestGenerated extends AbstractFirSourc
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/typeParameters.kt");
         }
 
+        @Test
+        @TestMetadata("userAny.kt")
+        public void testUserAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt");
+        }
+
         @Test
         @TestMetadata("where.kt")
         public void testWhere() throws Exception {

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/LightTreeRawFirDeclarationBuilder.kt

@@ -462,6 +462,9 @@ class LightTreeRawFirDeclarationBuilder(
         val className = identifier.nameAsSafeName(if (modifiers.isCompanion()) "Companion" else "")
         val isLocalWithinParent = classNode.getParent()?.elementType != CLASS_BODY && isClassLocal(classNode) { getParent() }
         val classIsExpect = modifiers.hasExpect() || context.containerIsExpect
+        val classIsKotlinAny = identifier.nameAsSafeName() == StandardNames.FqNames.any.shortName()
+                && classNode.getParent()?.getChildNodeByType(PACKAGE_DIRECTIVE)?.getChildNodeByType(REFERENCE_EXPRESSION)
+            ?.getReferencedNameAsName() == StandardNames.BUILT_INS_PACKAGE_NAME
 
         return withChildClassName(className, isExpect = classIsExpect, isLocalWithinParent) {
             val isLocal = context.inLocalContext
@@ -527,7 +530,7 @@ class LightTreeRawFirDeclarationBuilder(
                         }
                     }
 
-                    superTypeRefs.ifEmpty {
+                    if (superTypeRefs.isEmpty() && !classIsKotlinAny) {
                         superTypeRefs += implicitAnyType
                         delegatedSuperTypeRef = implicitAnyType
                     }
@@ -551,7 +554,8 @@ class LightTreeRawFirDeclarationBuilder(
                         classWrapper,
                         delegatedConstructorSource,
                         containingClassIsExpectClass = status.isExpect,
-                        isImplicitlyActual = status.isActual && (status.isInline || classKind == ClassKind.ANNOTATION_CLASS)
+                        isImplicitlyActual = status.isActual && (status.isInline || classKind == ClassKind.ANNOTATION_CLASS),
+                        isKotlinAny = classIsKotlinAny,
                     )
                     val firPrimaryConstructor = primaryConstructorWrapper?.firConstructor
                     firPrimaryConstructor?.let { declarations += it }
@@ -887,6 +891,7 @@ class LightTreeRawFirDeclarationBuilder(
         isEnumEntry: Boolean = false,
         containingClassIsExpectClass: Boolean,
         isImplicitlyActual: Boolean = false,
+        isKotlinAny: Boolean = false,
     ): PrimaryConstructor? {
         fun ClassKind.isEnumRelated(): Boolean = this == ClassKind.ENUM_CLASS || this == ClassKind.ENUM_ENTRY
         val shouldGenerateImplicitConstructor =
@@ -912,7 +917,7 @@ class LightTreeRawFirDeclarationBuilder(
         val modifiers = modifiersIfPresent ?: Modifier()
 
         val defaultVisibility = classWrapper.defaultConstructorVisibility()
-        val firDelegatedCall = runUnless(containingClassIsExpectClass) {
+        val firDelegatedCall = runUnless(containingClassIsExpectClass || isKotlinAny) {
             fun createDelegatedConstructorCall(
                 delegatedConstructorSource: KtLightSourceElement?,
                 delegatedSuperTypeRef: FirTypeRef,

compiler/fir/raw-fir/light-tree2fir/tests-gen/org/jetbrains/kotlin/fir/lightTree/LightTree2FirConverterTestCaseGenerated.java

@@ -196,6 +196,16 @@ public class LightTree2FirConverterTestCaseGenerated extends AbstractLightTree2F
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/invalidDestructing.kt");
         }
 
+        @TestMetadata("kotlinAny.kt")
+        public void testKotlinAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt");
+        }
+
+        @TestMetadata("kotlinAnyNonTopLevel.kt")
+        public void testKotlinAnyNonTopLevel() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt");
+        }
+
         @TestMetadata("localDeclarationsInEnumEntry.kt")
         public void testLocalDeclarationsInEnumEntry() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/localDeclarationsInEnumEntry.kt");
@@ -271,6 +281,11 @@ public class LightTree2FirConverterTestCaseGenerated extends AbstractLightTree2F
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/typeParameters.kt");
         }
 
+        @TestMetadata("userAny.kt")
+        public void testUserAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt");
+        }
+
         @TestMetadata("where.kt")
         public void testWhere() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/where.kt");

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/PsiRawFirBuilder.kt

@@ -44,6 +44,7 @@ import org.jetbrains.kotlin.name.NameUtils
 import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
+import org.jetbrains.kotlin.psi.stubs.KotlinFileStub
 import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
 import org.jetbrains.kotlin.types.Variance
 import org.jetbrains.kotlin.types.expressions.OperatorConventions
@@ -994,15 +995,15 @@ open class PsiRawFirBuilder(
                 }
             }
 
+            val isKotlinAny = this.isKotlinAny()
             val defaultDelegatedSuperTypeRef =
                 when {
                     classKind == ClassKind.ENUM_ENTRY && this is KtClass -> delegatedEnumSuperTypeRef ?: implicitAnyType
-                    container.superTypeRefs.isEmpty() -> implicitAnyType
+                    container.superTypeRefs.isEmpty() && !isKotlinAny() -> implicitAnyType
                     else -> FirImplicitTypeRefImplWithoutSource
                 }
 
-
+            if (container.superTypeRefs.isEmpty() && !isKotlinAny) {
-            if (container.superTypeRefs.isEmpty()) {
                 container.superTypeRefs += implicitAnyType
                 delegatedSuperTypeRef = implicitAnyType
             }
@@ -1029,7 +1030,8 @@ open class PsiRawFirBuilder(
                     containingClassIsExpectClass,
                     copyConstructedTypeRefWithImplicitSource = true,
                     isErrorConstructor = !hasPrimaryConstructor,
-                    isImplicitlyActual = container.status.isActual && (container.status.isInline || classKind == ClassKind.ANNOTATION_CLASS)
+                    isImplicitlyActual = container.status.isActual && (container.status.isInline || classKind == ClassKind.ANNOTATION_CLASS),
+                    isKotlinAny = isKotlinAny,
                 )
                 container.declarations += firPrimaryConstructor
             }
@@ -1038,6 +1040,22 @@ open class PsiRawFirBuilder(
             return delegatedSuperTypeRef!! to delegateFieldsMap.takeIf { it.isNotEmpty() }
         }
 
+        private fun KtClassOrObject.isKotlinAny(): Boolean {
+            if (nameAsName != StandardNames.FqNames.any.shortName()) return false
+            val classOrObjectStub = stub
+
+            if (classOrObjectStub != null) {
+                val parentStub = classOrObjectStub.parentStub
+                if (parentStub !is KotlinFileStub) return false
+                return parentStub.getPackageFqName().pathSegments().singleOrNull() == StandardNames.BUILT_INS_PACKAGE_NAME
+            } else {
+                if (parent !is KtFile) return false
+                return parent.findDescendantOfType<KtPackageDirective> { packageDirective ->
+                    packageDirective.packageNames.singleOrNull()?.getReferencedNameAsName() == StandardNames.BUILT_INS_PACKAGE_NAME
+                } != null
+            }
+        }
+
         /**
          * @param delegatedSuperTypeRef can be null if containingClassIsExpectClass is true
          */
@@ -1052,6 +1070,7 @@ open class PsiRawFirBuilder(
             copyConstructedTypeRefWithImplicitSource: Boolean,
             isErrorConstructor: Boolean = false,
             isImplicitlyActual: Boolean = false,
+            isKotlinAny: Boolean = false,
         ): FirConstructor {
             val constructorSource = this?.toFirSourceElement()
                 ?: owner.toKtPsiSourceElement(KtFakeSourceElementKind.ImplicitConstructor)
@@ -1079,7 +1098,7 @@ open class PsiRawFirBuilder(
                 }
             }
 
-            val firDelegatedCall = runUnless(containingClassIsExpectClass) {
+            val firDelegatedCall = runUnless(containingClassIsExpectClass || isKotlinAny) {
                 if (allSuperTypeCallEntries.size <= 1) {
                     buildDelegatedCall(superTypeCallEntry, delegatedSuperTypeRef!!)
                 } else {

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt

@@ -0,0 +1,33 @@
+package kotlin
+
+/**
+ * The root of the Kotlin class hierarchy. Every Kotlin class has [Any] as a superclass.
+ */
+public open class Any {
+    /**
+     * Indicates whether some other object is "equal to" this one. Implementations must fulfil the following
+     * requirements:
+     *
+     * * Reflexive: for any non-null value `x`, `x.equals(x)` should return true.
+     * * Symmetric: for any non-null values `x` and `y`, `x.equals(y)` should return true if and only if `y.equals(x)` returns true.
+     * * Transitive:  for any non-null values `x`, `y`, and `z`, if `x.equals(y)` returns true and `y.equals(z)` returns true, then `x.equals(z)` should return true.
+     * * Consistent:  for any non-null values `x` and `y`, multiple invocations of `x.equals(y)` consistently return true or consistently return false, provided no information used in `equals` comparisons on the objects is modified.
+     * * Never equal to null: for any non-null value `x`, `x.equals(null)` should return false.
+     *
+     * Read more about [equality](https://kotlinlang.org/docs/reference/equality.html) in Kotlin.
+     */
+    public open operator fun equals(other: Any?): Boolean
+
+    /**
+     * Returns a hash code value for the object.  The general contract of `hashCode` is:
+     *
+     * * Whenever it is invoked on the same object more than once, the `hashCode` method must consistently return the same integer, provided no information used in `equals` comparisons on the object is modified.
+     * * If two objects are equal according to the `equals()` method, then calling the `hashCode` method on each of the two objects must produce the same integer result.
+     */
+    public open fun hashCode(): Int
+
+    /**
+     * Returns a string representation of the object.
+     */
+    public open fun toString(): String
+}

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.lazyBodies.txt

@@ -0,0 +1,11 @@
+FILE: kotlinAny.kt
+    public open class Any {
+        public? constructor(): R|kotlin/Any|
+
+        public open operator fun equals(other: Any?): Boolean
+
+        public open fun hashCode(): Int
+
+        public open fun toString(): String
+
+    }

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.txt

@@ -0,0 +1,11 @@
+FILE: kotlinAny.kt
+    public open class Any {
+        public? [ContainingClassKey=Any] constructor(): R|kotlin/Any|
+
+        public open operator fun equals(other: Any?): Boolean
+
+        public open fun hashCode(): Int
+
+        public open fun toString(): String
+
+    }

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt

@@ -0,0 +1,9 @@
+package kotlin
+
+class Owner {
+    class Any /* kotlin.Any should be a supertype */
+}
+
+fun foo() {
+    class Any /* kotlin.Any should be a supertype */
+}

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.lazyBodies.txt

@@ -0,0 +1,15 @@
+FILE: kotlinAnyNonTopLevel.kt
+    public? final? class Owner : R|kotlin/Any| {
+        public? constructor(): R|kotlin/Owner| {
+            LAZY_super<R|kotlin/Any|>
+        }
+
+        public? final? class Any : R|kotlin/Any| {
+            public? constructor(): R|kotlin/Owner.Any| {
+                LAZY_super<R|kotlin/Any|>
+            }
+
+        }
+
+    }
+    public? final? fun foo(): R|kotlin/Unit| { LAZY_BLOCK }

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.txt

@@ -0,0 +1,23 @@
+FILE: kotlinAnyNonTopLevel.kt
+    public? final? class Owner : R|kotlin/Any| {
+        public? [ContainingClassKey=Owner] constructor(): R|kotlin/Owner| {
+            super<R|kotlin/Any|>()
+        }
+
+        public? final? class Any : R|kotlin/Any| {
+            public? [ContainingClassKey=Any] constructor(): R|kotlin/Owner.Any| {
+                super<R|kotlin/Any|>()
+            }
+
+        }
+
+    }
+    public? final? fun foo(): R|kotlin/Unit| {
+        local final? class Any : R|kotlin/Any| {
+            public? [ContainingClassKey=Any] constructor(): R|<local>/Any| {
+                super<R|kotlin/Any|>()
+            }
+
+        }
+
+    }

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt

@@ -0,0 +1,3 @@
+package user
+
+public open class Any

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.lazyBodies.txt

@@ -0,0 +1,7 @@
+FILE: userAny.kt
+    public open class Any : R|kotlin/Any| {
+        public? constructor(): R|user/Any| {
+            LAZY_super<R|kotlin/Any|>
+        }
+
+    }

compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.txt

@@ -0,0 +1,7 @@
+FILE: userAny.kt
+    public open class Any : R|kotlin/Any| {
+        public? [ContainingClassKey=Any] constructor(): R|user/Any| {
+            super<R|kotlin/Any|>()
+        }
+
+    }

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/RawFirBuilderLazyBodiesTestCaseGenerated.java

@@ -196,6 +196,16 @@ public class RawFirBuilderLazyBodiesTestCaseGenerated extends AbstractRawFirBuil
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/invalidDestructing.kt");
         }
 
+        @TestMetadata("kotlinAny.kt")
+        public void testKotlinAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt");
+        }
+
+        @TestMetadata("kotlinAnyNonTopLevel.kt")
+        public void testKotlinAnyNonTopLevel() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt");
+        }
+
         @TestMetadata("localDeclarationsInEnumEntry.kt")
         public void testLocalDeclarationsInEnumEntry() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/localDeclarationsInEnumEntry.kt");
@@ -276,6 +286,11 @@ public class RawFirBuilderLazyBodiesTestCaseGenerated extends AbstractRawFirBuil
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/typeParameters.kt");
         }
 
+        @TestMetadata("userAny.kt")
+        public void testUserAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt");
+        }
+
         @TestMetadata("where.kt")
         public void testWhere() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/where.kt");

compiler/fir/raw-fir/psi2fir/tests-gen/org/jetbrains/kotlin/fir/builder/RawFirBuilderTestCaseGenerated.java

@@ -196,6 +196,16 @@ public class RawFirBuilderTestCaseGenerated extends AbstractRawFirBuilderTestCas
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/invalidDestructing.kt");
         }
 
+        @TestMetadata("kotlinAny.kt")
+        public void testKotlinAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAny.kt");
+        }
+
+        @TestMetadata("kotlinAnyNonTopLevel.kt")
+        public void testKotlinAnyNonTopLevel() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/kotlinAnyNonTopLevel.kt");
+        }
+
         @TestMetadata("localDeclarationsInEnumEntry.kt")
         public void testLocalDeclarationsInEnumEntry() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/localDeclarationsInEnumEntry.kt");
@@ -276,6 +286,11 @@ public class RawFirBuilderTestCaseGenerated extends AbstractRawFirBuilderTestCas
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/typeParameters.kt");
         }
 
+        @TestMetadata("userAny.kt")
+        public void testUserAny() throws Exception {
+            runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/userAny.kt");
+        }
+
         @TestMetadata("where.kt")
         public void testWhere() throws Exception {
             runTest("compiler/fir/raw-fir/psi2fir/testData/rawBuilder/declarations/where.kt");