Support K2.

.gitignore

@@ -11,6 +11,7 @@ reports
 jacoco.exec
 .externalNativeBuild
 .cxx
+.kotlin
 
 # iOS
 *.pbxuser

build.gradle.kts

@@ -167,7 +167,7 @@ allprojects {
       repositories {
         maven {
           name = "testMaven"
-          url = file("${rootProject.buildDir}/testMaven").toURI()
+          url = file("${rootProject.layout.buildDirectory.asFile.get()}/testMaven").toURI()
         }
 
         /*

zipline-bytecode/src/test/kotlin/app/cash/zipline/bytecode/ApplySourceMapToBytecodeTest.kt

@@ -40,7 +40,7 @@ class ApplySourceMapToBytecodeTest {
   )
 
   @Before
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   fun setUp() {
     // Configure QuickJS to support module loading.
     app.cash.zipline.internal.initModuleLoader(quickJs)
@@ -222,7 +222,7 @@ class ApplySourceMapToBytecodeTest {
     assertThat(quickJs.evaluate("doubleToDisplayString('1000.0')")).isEqualTo("1000.0")
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   private fun loadJsModule(id: String, bytecode: ByteArray) {
     app.cash.zipline.internal.loadJsModule(quickJs, id, bytecode)
   }

zipline-cli/src/main/kotlin/app/cash/zipline/cli/GenerateKeyPair.kt

@@ -33,7 +33,7 @@ class GenerateKeyPair(
     .default(Ed25519)
     .help("Signing algorithm to use.")
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   override fun run() {
     val keyPair = app.cash.zipline.loader.internal.generateKeyPair(algorithm)
     out.println(

zipline-cli/src/test/kotlin/app/cash/zipline/cli/DownloadTest.kt

@@ -101,7 +101,7 @@ class DownloadTest {
     assertTrue(fileSystem.exists(tmpDirPath / testFixtures.alphaSha256Hex))
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   private fun getApplicationManifestFileName(applicationName: String) =
     app.cash.zipline.loader.internal.getApplicationManifestFileName(applicationName)
 

zipline-gradle-plugin/src/main/kotlin/app/cash/zipline/gradle/ZiplineCompiler.kt

@@ -162,10 +162,10 @@ internal class ZiplineCompiler(
 
   private fun getJsFiles(files: List<File>) = files.filter { it.path.endsWith(".js") }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   private val manifestFileName = app.cash.zipline.loader.internal.MANIFEST_FILE_NAME
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   private fun collectDependencies(quickJs: QuickJs, bytecode: ByteArray): List<String> {
     app.cash.zipline.internal.collectModuleDependencies(quickJs)
     quickJs.execute(bytecode)

zipline-gradle-plugin/src/main/kotlin/app/cash/zipline/gradle/ZiplinePlugin.kt

@@ -218,7 +218,7 @@ class ZiplinePlugin : KotlinCompilerPluginSupportPlugin {
     }
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   private fun generateKeyPair(algorithm: SignatureAlgorithmId) {
     val logger = LoggerFactory.getLogger(ZiplinePlugin::class.java)
     val keyPair = app.cash.zipline.loader.internal.generateKeyPair(algorithm)

zipline-gradle-plugin/src/test/kotlin/app/cash/zipline/gradle/ZiplineCompilerTest.kt

@@ -37,7 +37,7 @@ class ZiplineCompilerTest {
   private val quickJs = QuickJs.create()
 
   @Before
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   fun setUp() {
     // Configure QuickJS to support module loading.
     app.cash.zipline.internal.initModuleLoader(quickJs)
@@ -224,7 +224,7 @@ class ZiplineCompilerTest {
     return result
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   private fun loadJsModule(quickJs: QuickJs, id: String, bytecode: ByteArray) {
     return app.cash.zipline.internal.loadJsModule(quickJs, id, bytecode)
   }

zipline-gradle-plugin/src/test/kotlin/app/cash/zipline/gradle/ZiplineGradleDownloaderTest.kt

@@ -100,7 +100,7 @@ class ZiplineGradleDownloaderTest {
     )
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   private fun getApplicationManifestFileName(applicationName: String) =
     app.cash.zipline.loader.internal.getApplicationManifestFileName(applicationName)
 }

zipline-gradle-plugin/src/test/kotlin/app/cash/zipline/gradle/ZiplineGradlePluginTest.kt

@@ -26,8 +26,14 @@ import java.io.File
 import org.gradle.testkit.runner.GradleRunner
 import org.gradle.testkit.runner.TaskOutcome
 import org.junit.Test
-
-class ZiplineGradlePluginTest {
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
+import org.junit.runners.Parameterized.Parameters
+
+@RunWith(Parameterized::class)
+class ZiplineGradlePluginTest(
+  private val enableK2: Boolean,
+) {
   @Test
   fun productionBuilds() {
     val projectDir = File("src/test/projects/basic")
@@ -501,13 +507,17 @@ class ZiplineGradlePluginTest {
     }
   }
 
-  private fun createRunner(projectDir: File, vararg taskNames: String): GradleRunner {
+  private fun createRunner(
+    projectDir: File,
+    vararg taskNames: String,
+  ): GradleRunner {
     val gradleRoot = projectDir.resolve("gradle").also { it.mkdir() }
     File("../gradle/wrapper").copyRecursively(gradleRoot.resolve("wrapper"), true)
+    val arguments = arrayOf("--info", "--stacktrace", "--continue", "-PenableK2=$enableK2")
     return GradleRunner.create()
       .withProjectDir(projectDir)
       .withDebug(true) // Run in-process.
-      .withArguments("--info", "--stacktrace", "--continue", *taskNames, versionProperty)
+      .withArguments(*arguments, *taskNames, versionProperty)
       .forwardOutput()
   }
 
@@ -535,7 +545,14 @@ class ZiplineGradlePluginTest {
     val SUCCESS_OUTCOMES = listOf(TaskOutcome.SUCCESS, TaskOutcome.UP_TO_DATE)
     val versionProperty = "-PziplineVersion=${System.getProperty("ziplineVersion")}"
 
-    @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+    @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
     private val manifestFileName = app.cash.zipline.loader.internal.MANIFEST_FILE_NAME
+
+    @JvmStatic
+    @Parameters
+    fun data() = listOf(
+      arrayOf(true),
+      arrayOf(false),
+    )
   }
 }

zipline-gradle-plugin/src/test/projects/android/lib/build.gradle.kts

@@ -6,11 +6,22 @@ plugins {
 
 kotlin {
   androidTarget()
+
   js {
     browser()
     binaries.executable()
   }
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     commonMain {
       dependencies {

zipline-gradle-plugin/src/test/projects/basic/lib/build.gradle.kts

@@ -15,6 +15,16 @@ kotlin {
     binaries.executable()
   }
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     commonMain {
       dependencies {

zipline-gradle-plugin/src/test/projects/crash/lib/build.gradle.kts

@@ -14,6 +14,16 @@ kotlin {
     binaries.executable()
   }
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     commonMain {
       dependencies {

zipline-gradle-plugin/src/test/projects/jvmOnly/lib/build.gradle.kts

@@ -8,6 +8,16 @@ plugins {
 kotlin {
   jvm()
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     val jvmMain by getting {
       dependencies {

zipline-gradle-plugin/src/test/projects/multipleJsTargets/lib/build.gradle.kts

@@ -24,6 +24,16 @@ kotlin {
     }
   }
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     commonMain {
       dependencies {

zipline-gradle-plugin/src/test/projects/signing/lib/build.gradle.kts

@@ -13,6 +13,16 @@ kotlin {
     binaries.executable()
   }
 
+  if (project.property("enableK2").toString().toBooleanStrict()) {
+    targets.configureEach {
+      compilations.configureEach {
+        compilerOptions.options.languageVersion.set(
+          org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_0,
+        )
+      }
+    }
+  }
+
   sourceSets {
     commonMain {
       dependencies {

zipline-kotlin-plugin/src/main/kotlin/app/cash/zipline/kotlin/ZiplineCompilerPluginRegistrar.kt

@@ -26,7 +26,7 @@ import org.jetbrains.kotlin.config.CompilerConfiguration
 @OptIn(ExperimentalCompilerApi::class)
 @AutoService(CompilerPluginRegistrar::class)
 class ZiplineCompilerPluginRegistrar : CompilerPluginRegistrar() {
-  override val supportsK2 get() = false
+  override val supportsK2 get() = true
 
   override fun ExtensionStorage.registerExtensions(configuration: CompilerConfiguration) {
     val messageCollector = configuration.get(

zipline-loader/src/commonMain/kotlin/app/cash/zipline/loader/ManifestVerifier.kt

@@ -44,7 +44,7 @@ class ManifestVerifier private constructor(
    * @throws IllegalStateException if no trusted signature is found, or if a signature doesn't
    *   verify.
    */
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   fun verify(manifestBytes: ByteString, manifest: ZiplineManifest): String? {
     if (!doSignatureChecks) return null
 

zipline-loader/src/commonMain/kotlin/app/cash/zipline/loader/ZiplineLoader.kt

@@ -416,7 +416,7 @@ class ZiplineLoader internal constructor(
    * After identifying a manifest to load this fetches all the code, loads it into a JS runtime,
    * and runs both the user's initializer and the manifest's specified main function.
    */
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline internals.
   internal suspend fun loadFromManifest(
     applicationName: String,
     eventListener: EventListener,

zipline-loader/src/commonTest/kotlin/app/cash/zipline/loader/ProductionFetcherReceiverTest.kt

@@ -137,7 +137,7 @@ class ProductionFetcherReceiverTest {
     assertEquals(testFixtures.alphaByteString, ziplineFileFromCache)
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   private fun getLog() = app.cash.zipline.internal.getLog(zipline.quickJs)
 
   private suspend fun ZiplineLoader.loadOrFail(

zipline-loader/src/commonTest/kotlin/app/cash/zipline/loader/ZiplineLoaderTest.kt

@@ -410,7 +410,7 @@ class ZiplineLoaderTest {
     }
   }
 
-  @Suppress("INVISIBLE_MEMBER") // Access :zipline-loader internals.
+  @Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER") // Access :zipline-loader internals.
   private fun Zipline.getLog(): String? = app.cash.zipline.internal.getLog(quickJs)
 
   private suspend fun ZiplineLoader.loadOrFail(

zipline-profiler/src/commonMain/kotlin/app/cash/zipline/profiler/ProfilerClock.kt

@@ -19,4 +19,6 @@ internal interface ProfilerClock {
   val nanoTime: Long
 }
 
-internal expect object DefaultProfilerClock : ProfilerClock
+internal expect object DefaultProfilerClock : ProfilerClock {
+  override val nanoTime: Long
+}

zipline-profiler/src/jvmMain/kotlin/app/cash/zipline/profiler/ProfilerClockJvm.kt

@@ -16,5 +16,5 @@
 package app.cash.zipline.profiler
 
 internal actual object DefaultProfilerClock : ProfilerClock {
-  override val nanoTime: Long get() = System.nanoTime()
+  actual override val nanoTime: Long get() = System.nanoTime()
 }

zipline-profiler/src/nativeMain/kotlin/app/cash/zipline/profiler/ProfilerClockUnix.kt

@@ -16,5 +16,5 @@
 package app.cash.zipline.profiler
 
 internal actual object DefaultProfilerClock : ProfilerClock {
-  override val nanoTime: Long get() = kotlin.system.getTimeNanos()
+  actual override val nanoTime: Long get() = kotlin.system.getTimeNanos()
 }

zipline-testing/build.gradle.kts

@@ -1,4 +1,3 @@
-import org.jetbrains.kotlin.gradle.dsl.KotlinJsCompile
 import org.jetbrains.kotlin.gradle.plugin.PLUGIN_CLASSPATH_CONFIGURATION_NAME
 import org.jetbrains.kotlin.gradle.tasks.KotlinNativeCompile
 
@@ -69,19 +68,26 @@ kotlin {
 
 tasks {
   // https://kotlinlang.org/docs/whatsnew19.html#library-linkage-in-kotlin-native
-  withType<KotlinNativeCompile>().all {
-    kotlinOptions {
-      freeCompilerArgs += listOf("-Xpartial-linkage-loglevel=ERROR")
+  withType<KotlinNativeCompile>().configureEach {
+    compilerOptions {
+      freeCompilerArgs.addAll("-Xpartial-linkage-loglevel=ERROR")
     }
   }
 
   // https://youtrack.jetbrains.com/issue/KT-56025
   // https://youtrack.jetbrains.com/issue/KT-57203
-  named("jsBrowserProductionWebpack").configure {
+  // Required for K1.
+  findByName("jsBrowserProductionWebpack")?.apply {
     dependsOn(named("jsProductionLibraryCompileSync"))
     dependsOn(named("jsDevelopmentLibraryCompileSync"))
   }
-  named("jsBrowserProductionLibraryPrepare").configure {
+  // Required for K1.
+  findByName("jsBrowserProductionLibraryPrepare")?.apply {
+    dependsOn(named("jsProductionExecutableCompileSync"))
+    dependsOn(named("jsDevelopmentLibraryCompileSync"))
+  }
+  // Required for K2.
+  findByName("jsBrowserProductionLibraryDistribution")?.apply {
     dependsOn(named("jsProductionExecutableCompileSync"))
     dependsOn(named("jsDevelopmentLibraryCompileSync"))
   }

zipline-testing/src/jsMain/kotlin/app/cash/zipline/testing/suspendingJs.kt

@@ -13,10 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:OptIn(ExperimentalJsExport::class)
+
 package app.cash.zipline.testing
 
 import app.cash.zipline.Zipline
 import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
@@ -49,6 +52,7 @@ fun unblockSuspendingJs() {
   mutex.unlock()
 }
 
+@OptIn(DelicateCoroutinesApi::class)
 @JsExport
 fun callSuspendingEchoService(message: String) {
   val service = zipline.take<SuspendingEchoService>("jvmSuspendingEchoService")