Add hidden workaround for native dependencies

gradle/libs.versions.toml

@@ -60,6 +60,7 @@ kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-c
 #### Gradle plugins ####
 # The Maven coordinates of Gradle plugins that are either used in convention plugins, or in Dokka subprojects
 gradlePlugin-kotlin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "gradlePlugin-kotlin" }
+gradlePlugin-kotlin-klibCommonizerApi = { module = "org.jetbrains.kotlin:kotlin-klib-commonizer-api", version.ref = "gradlePlugin-kotlin" }
 gradlePlugin-android = { module = "com.android.tools.build:gradle", version.ref = "gradlePlugin-android" }
 gradlePlugin-dokka = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "gradlePlugin-dokka" }
 gradlePlugin-shadow = { module = "gradle.plugin.com.github.johnrengelman:shadow", version.ref = "gradlePlugin-shadow" }

runners/gradle-plugin/build.gradle.kts

@@ -8,9 +8,11 @@ dependencies {
     api(projects.core)
 
     compileOnly(libs.gradlePlugin.kotlin)
+    compileOnly(libs.gradlePlugin.kotlin.klibCommonizerApi)
     compileOnly(libs.gradlePlugin.android)
 
     testImplementation(libs.gradlePlugin.kotlin)
+    testImplementation(libs.gradlePlugin.kotlin.klibCommonizerApi)
     testImplementation(libs.gradlePlugin.android)
 }
 

runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/KotlinNativeDistributionAccessor.kt

@@ -0,0 +1,40 @@
+@file:Suppress("INVISIBLE_REFERENCE")
+package org.jetbrains.dokka.gradle.kotlin
+
+import java.io.File
+import org.gradle.api.Project
+import org.jetbrains.kotlin.commonizer.KonanDistribution
+import org.jetbrains.kotlin.commonizer.platformLibsDir
+import org.jetbrains.kotlin.commonizer.stdlib
+import org.jetbrains.kotlin.compilerRunner.konanHome
+import org.jetbrains.kotlin.konan.target.KonanTarget
+
+/**
+ * Provides access to the Kotlin/Native distribution components:
+ * * [stdlibDir] -- stdlib directory
+ * * [platformDependencies] -- list of directories to platform dependencies
+ *
+ * It uses Kotlin Gradle Plugin API that is guaranteed to be present in:
+ *  1.5 <= kotlinVersion <= 1.9
+ *
+ * It should not be used with Kotlin versions later than 1.9
+ */
+// https://github.com/Kotlin/dokka/pull/3147
+internal class KotlinNativeDistributionAccessor(
+    project: Project
+) {
+    private val konanDistribution = KonanDistribution(
+        @Suppress("INVISIBLE_MEMBER")
+        project.konanHome
+    )
+
+    val stdlibDir: File = konanDistribution.stdlib
+
+    fun platformDependencies(target: KonanTarget): List<File> = konanDistribution
+        .platformLibsDir
+        .resolve(target.name)
+        .listLibraryFiles()
+
+    private fun File.listLibraryFiles(): List<File> = listFiles().orEmpty()
+        .filter { it.isDirectory || it.extension == "klib" }
+}

runners/gradle-plugin/src/main/kotlin/org/jetbrains/dokka/gradle/kotlin/kotlinClasspathUtils.kt

@@ -7,6 +7,13 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
 import org.jetbrains.kotlin.gradle.plugin.mpp.AbstractKotlinNativeCompilation
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompileTool
+import org.jetbrains.kotlin.gradle.utils.NativeCompilerDownloader
+import org.jetbrains.kotlin.konan.library.KONAN_DISTRIBUTION_COMMON_LIBS_DIR
+import org.jetbrains.kotlin.konan.library.KONAN_DISTRIBUTION_KLIB_DIR
+import org.jetbrains.kotlin.konan.library.KONAN_DISTRIBUTION_PLATFORM_LIBS_DIR
+import org.jetbrains.kotlin.konan.library.KONAN_STDLIB_NAME
+import org.jetbrains.kotlin.konan.target.KonanTarget
+import java.io.File
 
 internal fun Project.classpathOf(sourceSet: KotlinSourceSet): FileCollection {
     val compilations = compilationsOf(sourceSet)
@@ -78,13 +85,67 @@ private fun KotlinCompilation.getKotlinCompileTask(kgpVersion: KotlinGradlePlugi
 
 private fun KotlinCompilation.platformDependencyFiles(project: Project): FileCollection {
     val excludePlatformDependencyFiles = project.classpathProperty("excludePlatformDependencyFiles", default = false)
-
     if (excludePlatformDependencyFiles) return project.files()
+
+    val useNativeDistributionAccessor = project.classpathProperty("useNativeDistributionAccessor", default = false)
+    if (useNativeDistributionAccessor) return this.getPlatformDependenciesFromNativeDistributionAccessor(project)
+
+    val useKonanDistribution = project.classpathProperty("useKonanDistribution", default = false)
+    if (useKonanDistribution) return this.getPlatfromDependenciesFromKonanDistribution(project)
+
     return (this as? AbstractKotlinNativeCompilation)
         ?.target?.project?.configurations
         ?.findByName(@Suppress("DEPRECATION") this.defaultSourceSet.implementationMetadataConfigurationName) // KT-58640
         ?: project.files()
 }
 
+// https://github.com/Kotlin/dokka/pull/3147
+private fun KotlinCompilation.getPlatformDependenciesFromNativeDistributionAccessor(project: Project): FileCollection {
+    return if (this is AbstractKotlinNativeCompilation) {
+        val result = project.objects.fileCollection()
+        val kotlinNativeDistributionAccessor = KotlinNativeDistributionAccessor(project)
+        result.from(kotlinNativeDistributionAccessor.stdlibDir)
+        result.from(kotlinNativeDistributionAccessor.platformDependencies(konanTarget))
+        result
+    } else {
+        project.files()
+    }
+}
+
+// -------- The hack for platform dependencies from compiler ------------------
+// adapted from https://github.com/jetbrains/kotlin/blob/b6a215d681695a2fe0cc798308966c5675de447f/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/KotlinNativePlatformDependencies.kt#L39
+// https://github.com/Kotlin/dokka/pull/3145
+private fun KotlinCompilation.getPlatfromDependenciesFromKonanDistribution(project: Project): FileCollection {
+    return if (this is AbstractKotlinNativeCompilation)
+        project.files(project.getStdLibFromKonanDistribution()) + project.files(project.getPlatformLibsFromKonanDistribution(this.konanTarget))
+    else
+        project.files()
+}
+
+private fun Project.getStdLibFromKonanDistribution(): File {
+    val root = file(this.konanHome())
+    val konanCommonLibraries = root.resolve(KONAN_DISTRIBUTION_KLIB_DIR).resolve(KONAN_DISTRIBUTION_COMMON_LIBS_DIR)
+    val stdlib = konanCommonLibraries.resolve(KONAN_STDLIB_NAME)
+    return stdlib
+}
+
+// copy-pasted from https://github.com/jetbrains/kotlin/blob/c9aeadd31f763646237faffab38a57923c520fa1/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/compilerRunner/nativeToolRunners.kt#L29
+private fun Project.konanHome(): String {
+    return nativeHome()?.let { file(it).absolutePath }
+        ?: NativeCompilerDownloader(project).compilerDirectory.absolutePath
+}
+
+private fun Project.nativeHome(): String? =
+    this.findProperty("org.jetbrains.kotlin.native.home") as? String
+
+//copy-pasted from https://github.com/jetbrains/kotlin/blob/05a6d89151e6a7230faf733e51161b5f07ae10a7/native/commonizer/src/org/jetbrains/kotlin/commonizer/repository/KonanDistributionRepository.kt#L20
+// https://github.com/jetbrains/kotlin/blob/b6a215d681695a2fe0cc798308966c5675de447f/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/native/internal/KotlinNativePlatformDependencies.kt#L83
+private fun Project.getPlatformLibsFromKonanDistribution(target: KonanTarget): Array<out File>? {
+    val root = file(this.konanHome())
+    val platformLibsDir = root.resolve(KONAN_DISTRIBUTION_KLIB_DIR).resolve(KONAN_DISTRIBUTION_PLATFORM_LIBS_DIR)
+    val libs = platformLibsDir.resolve(target.name).takeIf { it.isDirectory }?.listFiles()
+    return libs
+}
+
 private fun Project.classpathProperty(name: String, default: Boolean): Boolean =
     (findProperty("org.jetbrains.dokka.classpath.$name") as? String)?.toBoolean() ?: default