add export from kotlin into swift of simple documentation comment #KT-65913 fixed

Merge-request: KT-MR-14622
Merged-by: Artem Olkov <artem.olkov@jetbrains.com>

native/swift/sir-passes/src/org/jetbrains/sir/passes/builder/SirFromPsiBuilder.kt

@@ -149,6 +149,8 @@ internal fun buildSirClassFromPsi(classOrObject: KtClassOrObject): SirNamedDecla
             )
         )
 
+        documentation = classOrObject.docComment?.text
+
         // HACK to support default constructors.
         // todo: We should rework builder from PSI to AnalysisApi during KT-66310
         val constructors = symbol.getMemberScope().getConstructors()
@@ -236,6 +238,8 @@ internal fun buildSirVariableFromPsi(variable: KtProperty): SirVariable = buildV
     setter = if (variable.isVar) buildSetter {
         kind = accessorKind
     } else null
+
+    documentation = variable.docComment?.text
 }.also {
     it.getter.parent = it
     it.setter?.parent = it

native/swift/sir-printer/src/org/jetbrains/sir/printer/SirAsSwiftSourcesPrinter.kt

@@ -42,6 +42,7 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
     }
 
     override fun visitClass(klass: SirClass): Unit = with(printer) {
+        printDocumentation(klass)
         printVisibility(klass)
         println(
             "class ",
@@ -55,6 +56,7 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
     }
 
     override fun visitVariable(variable: SirVariable): Unit = with(printer) {
+        printDocumentation(variable)
         printVisibility(variable)
         printCallableKind(variable.kind)
         print(
@@ -94,7 +96,7 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
     }
 
     override fun visitFunction(function: SirFunction): Unit = with(printer) {
-        function.documentation?.let { println(it) }
+        printDocumentation(function)
         printVisibility(function)
         printCallableKind(function.kind)
         print(
@@ -118,7 +120,7 @@ public class SirAsSwiftSourcesPrinter(private val printer: SmartPrinter) : SirVi
     }
 
     override fun visitInit(init: SirInit): Unit = with(printer) {
-        init.documentation?.let { println(it) }
+        printDocumentation(init)
         printVisibility(init)
         printInitKind(init.initKind)
         print("init")
@@ -192,6 +194,10 @@ internal fun SmartPrinter.printVisibility(decl: SirDeclaration) {
     )
 }
 
+internal fun SmartPrinter.printDocumentation(decl: SirDeclaration) {
+    decl.documentation?.lines()?.forEach { println(it.trimIndent()) }
+}
+
 internal fun SmartPrinter.printInitKind(decl: SirInitializerKind) {
     print(
         when (decl) {

native/swift/sir-printer/testData/commented_class.golden.swift

@@ -0,0 +1,6 @@
+/// Function foo description.
+/// - Parameters:
+///   - p: first Integer to consume
+/// - Returns: Bool
+public class Foo {
+}

native/swift/sir-printer/testData/commented_namespaced_class.golden.swift

@@ -0,0 +1,8 @@
+public enum NAMESPACE {
+    /**
+    *  demo comment for
+    *  NAMESPACED_CLASS
+    */
+    public class Foo {
+    }
+}

native/swift/sir-printer/testData/commented_variable.golden.swift

@@ -0,0 +1,8 @@
+
+/// Function foo description.
+/// - Parameters:
+///   - p: first Integer to consume
+/// - Returns: Bool
+public var myVariable: Swift.Bool {
+    get
+}

native/swift/sir-printer/tests/org/jetbrains/kotlin/sir/printer/SirAsSwiftSourcesPrinterTests.kt

@@ -270,7 +270,7 @@ class SirAsSwiftSourcesPrinterTests {
     }
 
     @Test
-    fun `should print DocC comment`() {
+    fun `should print DocC comment on function`() {
 
         val module = buildModule {
             name = "Test"
@@ -303,6 +303,89 @@ class SirAsSwiftSourcesPrinterTests {
         )
     }
 
+    @Test
+    fun `should print DocC comment on class`() {
+
+        val module = buildModule {
+            name = "Test"
+            declarations.add(
+                buildClass {
+                    origin = SirOrigin.Unknown
+                    visibility = SirVisibility.PUBLIC
+                    name = "Foo"
+                    documentation = """
+                            /// Function foo description.
+                            /// - Parameters:
+                            ///   - p: first Integer to consume
+                            /// - Returns: Bool
+                        """.trimIndent()
+                }
+            )
+        }
+
+        runTest(
+            module,
+            "testData/commented_class"
+        )
+    }
+
+    @Test
+    fun `should print DocC comment on namespaced class`() {
+
+        val module = buildModule {
+            name = "Test"
+            declarations.add(
+                buildEnum {
+                    name = "NAMESPACE"
+                    declarations += buildClass {
+                        origin = SirOrigin.Unknown
+                        visibility = SirVisibility.PUBLIC
+                        name = "Foo"
+                        documentation = """
+                            /**
+                             *  demo comment for
+                             *  NAMESPACED_CLASS
+                             */
+                        """.trimIndent()
+                    }
+                }
+            )
+        }
+
+        runTest(
+            module,
+            "testData/commented_namespaced_class"
+        )
+    }
+
+    @Test
+    fun `should print DocC comment on variable`() {
+
+        val module = buildModule {
+            name = "Test"
+            declarations.add(
+                buildVariable {
+                    name = "myVariable"
+                    type = SirNominalType(SirSwiftModule.bool)
+                    getter = buildGetter {
+                        kind = SirCallableKind.INSTANCE_METHOD
+                    }
+                    documentation = """
+                            /// Function foo description.
+                            /// - Parameters:
+                            ///   - p: first Integer to consume
+                            /// - Returns: Bool
+                        """.trimIndent()
+                }
+            )
+        }
+
+        runTest(
+            module,
+            "testData/commented_variable"
+        )
+    }
+
     @Test
     fun `should print empty class`() {
 

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirAccessor.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 sealed class SirAccessor : SirCallable() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirCallable.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 sealed class SirCallable : SirElementBase(), SirDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract val kind: SirCallableKind
     abstract var body: SirFunctionBody?

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirClass.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirClass : SirDeclarationContainer(), SirNamedDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val name: String
     abstract override val declarations: List<SirDeclaration>

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirDeclaration.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 sealed interface SirDeclaration : SirElement {
     val origin: SirOrigin
     val visibility: SirVisibility
+    var documentation: String?
     var parent: SirDeclarationParent
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirEnum.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirEnum : SirDeclarationContainer(), SirNamedDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val name: String
     abstract override val declarations: List<SirDeclaration>

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirFunction.kt

@@ -23,7 +23,7 @@ abstract class SirFunction : SirCallable() {
     abstract val name: String
     abstract val parameters: List<SirParameter>
     abstract val returnType: SirType
-    abstract var documentation: String?
+    abstract override var documentation: String?
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =
         visitor.visitFunction(this, data)

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirGetter.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirGetter : SirAccessor() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirImport.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirImport : SirElementBase(), SirDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract val moduleName: String
 

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirInit.kt

@@ -17,13 +17,13 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirInit : SirCallable() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?
     abstract val isFailable: Boolean
     abstract val parameters: List<SirParameter>
     abstract val initKind: SirInitializerKind
-    abstract var documentation: String?
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =
         visitor.visitInit(this, data)

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirNamedDeclaration.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 sealed interface SirNamedDeclaration : SirDeclaration, SirNamed {
     override val origin: SirOrigin
     override val visibility: SirVisibility
+    override var documentation: String?
     override var parent: SirDeclarationParent
     override val name: String
 

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirSetter.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirSetter : SirAccessor() {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val kind: SirCallableKind
     abstract override var body: SirFunctionBody?

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirStruct.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 abstract class SirStruct : SirDeclarationContainer(), SirNamedDeclaration {
     abstract override val origin: SirOrigin
     abstract override val visibility: SirVisibility
+    abstract override var documentation: String?
     abstract override var parent: SirDeclarationParent
     abstract override val name: String
     abstract override val declarations: List<SirDeclaration>

native/swift/sir/gen/org/jetbrains/kotlin/sir/SirVariable.kt

@@ -22,6 +22,7 @@ abstract class SirVariable : SirDeclarationParent(), SirDeclaration {
     abstract val type: SirType
     abstract val getter: SirGetter
     abstract val setter: SirSetter?
+    abstract override var documentation: String?
 
     override fun <R, D> accept(visitor: SirVisitor<R, D>, data: D): R =
         visitor.visitVariable(this, data)

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirClassBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirClassImpl
 class SirClassBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var name: String
     val declarations: MutableList<SirDeclaration> = mutableListOf()
 
@@ -25,10 +26,12 @@ class SirClassBuilder {
         return SirClassImpl(
             origin,
             visibility,
+            documentation,
             name,
             declarations,
         )
     }
+
 }
 
 @OptIn(ExperimentalContracts::class)
@@ -47,6 +50,7 @@ inline fun buildClassCopy(original: SirClass, init: SirClassBuilder.() -> Unit):
     val copyBuilder = SirClassBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.name = original.name
     copyBuilder.declarations.addAll(original.declarations)
     return copyBuilder.apply(init).build()

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirEnumBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirEnumImpl
 class SirEnumBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var name: String
     val declarations: MutableList<SirDeclaration> = mutableListOf()
     val cases: MutableList<SirEnumCase> = mutableListOf()
@@ -26,11 +27,13 @@ class SirEnumBuilder {
         return SirEnumImpl(
             origin,
             visibility,
+            documentation,
             name,
             declarations,
             cases,
         )
     }
+
 }
 
 @OptIn(ExperimentalContracts::class)
@@ -49,6 +52,7 @@ inline fun buildEnumCopy(original: SirEnum, init: SirEnumBuilder.() -> Unit): Si
     val copyBuilder = SirEnumBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.name = original.name
     copyBuilder.declarations.addAll(original.declarations)
     copyBuilder.cases.addAll(original.cases)

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirGetterBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirGetterImpl
 class SirGetterBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var kind: SirCallableKind
     var body: SirFunctionBody? = null
 
@@ -25,6 +26,7 @@ class SirGetterBuilder {
         return SirGetterImpl(
             origin,
             visibility,
+            documentation,
             kind,
             body,
         )
@@ -48,6 +50,7 @@ inline fun buildGetterCopy(original: SirGetter, init: SirGetterBuilder.() -> Uni
     val copyBuilder = SirGetterBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.kind = original.kind
     copyBuilder.body = original.body
     return copyBuilder.apply(init).build()

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirImportBuilder.kt

@@ -21,15 +21,18 @@ import org.jetbrains.kotlin.sir.impl.SirImportImpl
 class SirImportBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var moduleName: String
 
     fun build(): SirImport {
         return SirImportImpl(
             origin,
             visibility,
+            documentation,
             moduleName,
         )
     }
+
 }
 
 @OptIn(ExperimentalContracts::class)
@@ -48,6 +51,7 @@ inline fun buildImportCopy(original: SirImport, init: SirImportBuilder.() -> Uni
     val copyBuilder = SirImportBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.moduleName = original.moduleName
     return copyBuilder.apply(init).build()
 }

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirInitBuilder.kt

@@ -18,23 +18,23 @@ import org.jetbrains.kotlin.sir.impl.SirInitImpl
 class SirInitBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var kind: SirCallableKind
     var body: SirFunctionBody? = null
     var isFailable: Boolean by kotlin.properties.Delegates.notNull<Boolean>()
     val parameters: MutableList<SirParameter> = mutableListOf()
     lateinit var initKind: SirInitializerKind
-    var documentation: String? = null
 
     fun build(): SirInit {
         return SirInitImpl(
             origin,
             visibility,
+            documentation,
             kind,
             body,
             isFailable,
             parameters,
             initKind,
-            documentation,
         )
     }
 
@@ -56,11 +56,11 @@ inline fun buildInitCopy(original: SirInit, init: SirInitBuilder.() -> Unit): Si
     val copyBuilder = SirInitBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.kind = original.kind
     copyBuilder.body = original.body
     copyBuilder.isFailable = original.isFailable
     copyBuilder.parameters.addAll(original.parameters)
     copyBuilder.initKind = original.initKind
-    copyBuilder.documentation = original.documentation
     return copyBuilder.apply(init).build()
 }

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirSetterBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirSetterImpl
 class SirSetterBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var kind: SirCallableKind
     var body: SirFunctionBody? = null
     var parameterName: String = "newValue"
@@ -26,6 +27,7 @@ class SirSetterBuilder {
         return SirSetterImpl(
             origin,
             visibility,
+            documentation,
             kind,
             body,
             parameterName,
@@ -50,6 +52,7 @@ inline fun buildSetterCopy(original: SirSetter, init: SirSetterBuilder.() -> Uni
     val copyBuilder = SirSetterBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.kind = original.kind
     copyBuilder.body = original.body
     copyBuilder.parameterName = original.parameterName

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirStructBuilder.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.impl.SirStructImpl
 class SirStructBuilder {
     var origin: SirOrigin = SirOrigin.Unknown
     var visibility: SirVisibility = SirVisibility.PUBLIC
+    var documentation: String? = null
     lateinit var name: String
     val declarations: MutableList<SirDeclaration> = mutableListOf()
 
@@ -25,10 +26,12 @@ class SirStructBuilder {
         return SirStructImpl(
             origin,
             visibility,
+            documentation,
             name,
             declarations,
         )
     }
+
 }
 
 @OptIn(ExperimentalContracts::class)
@@ -47,6 +50,7 @@ inline fun buildStructCopy(original: SirStruct, init: SirStructBuilder.() -> Uni
     val copyBuilder = SirStructBuilder()
     copyBuilder.origin = original.origin
     copyBuilder.visibility = original.visibility
+    copyBuilder.documentation = original.documentation
     copyBuilder.name = original.name
     copyBuilder.declarations.addAll(original.declarations)
     return copyBuilder.apply(init).build()

native/swift/sir/gen/org/jetbrains/kotlin/sir/builder/SirVariableBuilder.kt

@@ -22,6 +22,7 @@ class SirVariableBuilder {
     lateinit var type: SirType
     lateinit var getter: SirGetter
     var setter: SirSetter? = null
+    var documentation: String? = null
 
     fun build(): SirVariable {
         return SirVariableImpl(
@@ -31,6 +32,7 @@ class SirVariableBuilder {
             type,
             getter,
             setter,
+            documentation,
         )
     }
 
@@ -56,5 +58,6 @@ inline fun buildVariableCopy(original: SirVariable, init: SirVariableBuilder.()
     copyBuilder.type = original.type
     copyBuilder.getter = original.getter
     copyBuilder.setter = original.setter
+    copyBuilder.documentation = original.documentation
     return copyBuilder.apply(init).build()
 }

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirClassImpl.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirClassImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val name: String,
     override val declarations: MutableList<SirDeclaration>,
 ) : SirClass() {

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirEnumImpl.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirEnumImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val name: String,
     override val declarations: MutableList<SirDeclaration>,
     override val cases: MutableList<SirEnumCase>,

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirGetterImpl.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirGetterImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val kind: SirCallableKind,
     override var body: SirFunctionBody?,
 ) : SirGetter() {

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirImportImpl.kt

@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirImportImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val moduleName: String,
 ) : SirImport() {
     override lateinit var parent: SirDeclarationParent

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirInitImpl.kt

@@ -17,12 +17,12 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirInitImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val kind: SirCallableKind,
     override var body: SirFunctionBody?,
     override val isFailable: Boolean,
     override val parameters: MutableList<SirParameter>,
     override val initKind: SirInitializerKind,
-    override var documentation: String?,
 ) : SirInit() {
     override lateinit var parent: SirDeclarationParent
 

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirSetterImpl.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirSetterImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val kind: SirCallableKind,
     override var body: SirFunctionBody?,
     override val parameterName: String,

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirStructImpl.kt

@@ -18,6 +18,7 @@ import org.jetbrains.kotlin.sir.visitors.SirVisitor
 internal class SirStructImpl(
     override val origin: SirOrigin,
     override val visibility: SirVisibility,
+    override var documentation: String?,
     override val name: String,
     override val declarations: MutableList<SirDeclaration>,
 ) : SirStruct() {

native/swift/sir/gen/org/jetbrains/kotlin/sir/impl/SirVariableImpl.kt

@@ -21,6 +21,7 @@ internal class SirVariableImpl(
     override val type: SirType,
     override val getter: SirGetter,
     override val setter: SirSetter?,
+    override var documentation: String?,
 ) : SirVariable() {
     override lateinit var parent: SirDeclarationParent
 

native/swift/sir/tree-generator/src/org/jetbrains/kotlin/sir/tree/generator/SwiftIrTree.kt

@@ -37,6 +37,7 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
         customParentInVisitor = rootElement
         +field("origin", originType)
         +field("visibility", swiftVisibilityType)
+        +field(name = "documentation", string, nullable = true, mutable = true)
         +field("parent", declarationParent, mutable = true, isChild = false) {
             useInBaseTransformerDetection = false
         }
@@ -89,8 +90,6 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
         +listField("parameters", parameterType)
 
         +field("initKind", initKind)
-
-        +field(name = "documentation", string, nullable = true, mutable = true)
     }
 
     val function by element {
@@ -129,6 +128,8 @@ object SwiftIrTree : AbstractSwiftIrTreeBuilder() {
 
         +field("getter", getter)
         +field("setter", setter, nullable = true)
+
+        +field(name = "documentation", string, nullable = true, mutable = true)
     }
 
     val import by element {

native/swift/swift-export-standalone/testData/classes/golden_result/result.swift

@@ -72,6 +72,10 @@ public enum namespace {
             }
         }
     }
+    /**
+    *  demo comment for
+    *  NAMESPACED_CLASS
+    */
     public class NAMESPACED_CLASS {
         public init() {
             fatalError()
@@ -81,19 +85,31 @@ public enum namespace {
         public init() {
             fatalError()
         }
+        /**
+        * this is a sample comment for INSIDE_CLASS with package
+        */
         public class INSIDE_CLASS {
             public init() {
                 fatalError()
             }
         }
+        /**
+        * this is a sample comment for func on class with package
+        */
         public func foo() -> Swift.Bool {
             fatalError()
         }
+        /**
+        * this is a sample comment for val on class with package
+        */
         public var my_value: Swift.UInt32 {
             get {
                 fatalError()
             }
         }
+        /**
+        * this is a sample comment for var on class with package
+        */
         public var my_variable: Swift.Int64 {
             get {
                 fatalError()
@@ -105,32 +121,55 @@ public enum namespace {
     }
 }
 
+/**
+* this is a sample comment for class without public constructor
+*/
 public class ClassWithNonPublicConstructor {
 }
 
+/**
+* this is a sample comment for class without package
+* in order to support documentation for primary constructor - we will have to start parsing comment content:
+* https://kotlinlang.org/docs/kotlin-doc.html#constructor
+*/
 public class Foo {
     public init(
         a: Swift.Int32
     ) {
         fatalError()
     }
+    /**
+    * this is a sample comment for secondary constructor
+    */
     public init(
         f: Swift.Float
     ) {
         fatalError()
     }
+    /**
+    * this is a sample comment for INSIDE_CLASS without package
+    */
     public class INSIDE_CLASS {
         public init() {
             fatalError()
         }
+        /**
+        * this is a sample comment for func on INSIDE_CLASS without package
+        */
         public func my_func() -> Swift.Bool {
             fatalError()
         }
+        /**
+        * this is a sample comment for val on INSIDE_CLASS without package
+        */
         public var my_value_inner: Swift.UInt32 {
             get {
                 fatalError()
             }
         }
+        /**
+        * this is a sample comment for var on INSIDE_CLASS without package
+        */
         public var my_variable_inner: Swift.Int64 {
             get {
                 fatalError()
@@ -140,14 +179,23 @@ public class Foo {
             }
         }
     }
+    /**
+    * this is a sample comment for func on class without package
+    */
     public func foo() -> Swift.Bool {
         fatalError()
     }
+    /**
+    * this is a sample comment for val on class without package
+    */
     public var my_value: Swift.UInt32 {
         get {
             fatalError()
         }
     }
+    /**
+    * this is a sample comment for var on class without package
+    */
     public var my_variable: Swift.Int64 {
         get {
             fatalError()

native/swift/swift-export-standalone/testData/classes/input_root/class_with_package.kt

@@ -1,14 +1,29 @@
 package namespace
 
+/**
+ *  demo comment for
+ *  NAMESPACED_CLASS
+ */
 class NAMESPACED_CLASS
 
 class Foo {
+    /**
+     * this is a sample comment for INSIDE_CLASS with package
+     */
     class INSIDE_CLASS
 
+    /**
+     * this is a sample comment for func on class with package
+     */
     fun foo(): Boolean = TODO()
 
+    /**
+     * this is a sample comment for val on class with package
+     */
     val my_value: UInt = 5u
 
+    /**
+     * this is a sample comment for var on class with package
+     */
     var my_variable: Long = 5
-
 }

native/swift/swift-export-standalone/testData/classes/input_root/classes.kt

@@ -1,20 +1,55 @@
+/**
+ * this is a sample comment for class without public constructor
+ */
 public class ClassWithNonPublicConstructor internal constructor(public val a: Int)
 
+/**
+ * this is a sample comment for class without package
+ * in order to support documentation for primary constructor - we will have to start parsing comment content:
+ * https://kotlinlang.org/docs/kotlin-doc.html#constructor
+ */
 class Foo (a: Int) {
+    /**
+     * this is a sample comment for secondary constructor
+     */
     constructor(f: Float) : this(f.toInt())
 
+    /**
+     * this is a sample comment for private constructor
+     */
     private constructor(d: Double) : this(d.toInt())
+
+    /**
+     * this is a sample comment for INSIDE_CLASS without package
+     */
     class INSIDE_CLASS {
+        /**
+         * this is a sample comment for func on INSIDE_CLASS without package
+         */
         fun my_func(): Boolean = TODO()
 
+        /**
+         * this is a sample comment for val on INSIDE_CLASS without package
+         */
         val my_value_inner: UInt = 5u
 
+        /**
+         * this is a sample comment for var on INSIDE_CLASS without package
+         */
         var my_variable_inner: Long = 5
     }
+    /**
+     * this is a sample comment for func on class without package
+     */
     fun foo(): Boolean = TODO()
 
+    /**
+     * this is a sample comment for val on class without package
+     */
     val my_value: UInt = 5u
 
+    /**
+     * this is a sample comment for var on class without package
+     */
     var my_variable: Long = 5
-
 }

native/swift/swift-export-standalone/testData/documentation/golden_result/result.swift

@@ -2,12 +2,12 @@ import KotlinBridges
 import KotlinRuntime
 
 /**
- * Function foo description
- *
- * @param p first Integer to consume
- * @param p2 second Double to consume
- * @return Short, constant 1
- */
+* Function foo description
+*
+* @param p first Integer to consume
+* @param p2 second Double to consume
+* @return Short, constant 1
+*/
 public func foo(
     p: Swift.Int32,
     p2: Swift.Double