misc: upgrade to Kotlin 2.0.0

.brazil.json

@@ -1,20 +1,17 @@
 {
   "dependencies": {
-    "com.squareup.okhttp3:okhttp-coroutines-jvm:5.*": "OkHttp3CoroutinesJvm-5.x",
+    "org.jetbrains.kotlin:kotlin-stdlib-common:2.0.*": "KotlinStdlibCommon-2.x",
+    "org.jetbrains.kotlin:kotlin-stdlib:2.0.*": "KotlinStdlib-2.x",
+    "org.jetbrains.kotlinx:atomicfu:0.*.*": "Atomicfu-0.x",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.8.*": "KotlinxCoroutinesCoreJvm-1.8.x",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.*": "KotlinxCoroutinesCore-1.8.x",
+    "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.8.*": "KotlinxCoroutinesJdk8-1.8.x",
+
     "com.squareup.okhttp3:okhttp-coroutines:5.*": "OkHttp3Coroutines-5.x",
-    "com.squareup.okhttp3:okhttp-jvm:5.*": "OkHttp3Jvm-5.x",
     "com.squareup.okhttp3:okhttp:5.*": "OkHttp3-5.x",
     "com.squareup.okio:okio-jvm:3.*": "OkioJvm-3.x",
     "com.squareup.okio:okio:3.*": "Okio-3.x",
     "io.opentelemetry:opentelemetry-api:1.*": "Maven-io-opentelemetry_opentelemetry-api-1.x",
-    "org.jetbrains.kotlin:kotlin-stdlib-common:1.9.*": "KotlinStdlibCommon-1.9.x",
-    "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.*": "KotlinStdlibJdk8-1.9.x",
-    "org.jetbrains.kotlin:kotlin-stdlib:1.9.*": "KotlinStdlib-1.9.x",
-    "org.jetbrains.kotlinx:atomicfu-jvm:0.23.1": "AtomicfuJvm-0.23.1",
-    "org.jetbrains.kotlinx:atomicfu:0.23.1": "Atomicfu-0.23.1",
-    "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.*": "KotlinxCoroutinesCoreJvm-1.7.x",
-    "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.*": "KotlinxCoroutinesCore-1.7.x",
-    "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.7.*": "KotlinxCoroutinesJdk8-1.7.x",
     "org.slf4j:slf4j-api:2.*": "Maven-org-slf4j_slf4j-api-2.x",
     "software.amazon.awssdk.crt:aws-crt:0.*": "Aws-crt-java-1.0.x",
     "aws.sdk.kotlin.crt:aws-crt-kotlin:0.8.*": "AwsCrtKotlin-0.8.x"
@@ -39,27 +36,28 @@
       "aws.smithy.kotlin:version-catalog"
     ],
     "resolvesConflictDependencies": {
-      "com.squareup.okhttp3:okhttp-coroutines-jvm:5.*": [
-        "KotlinStdlibCommon-1.9.x",
-        "KotlinStdlib-1.9.x",
-        "KotlinxCoroutinesCoreJvm-1.7.x"
-      ],
       "com.squareup.okhttp3:okhttp-coroutines:5.*": [
-        "KotlinStdlibCommon-1.9.x",
-        "KotlinStdlib-1.9.x",
-        "KotlinxCoroutinesCoreJvm-1.7.x"
-      ],
-      "com.squareup.okhttp3:okhttp-jvm:5.*": [
-        "KotlinStdlibCommon-1.9.x",
-        "KotlinStdlib-1.9.x"
+        "KotlinStdlib-2.x",
+        "KotlinxCoroutinesCoreJvm-1.8.x",
+        "KotlinStdlibJdk7-2.x",
+        "KotlinStdlibJdk8-2.x"
       ],
       "com.squareup.okhttp3:okhttp:5.*": [
-        "KotlinStdlibCommon-1.9.x",
-        "KotlinStdlib-1.9.x"
+        "KotlinStdlib-2.x"
       ],
       "com.squareup.okio:okio-jvm:3.*": [
-        "KotlinStdlibCommon-1.9.x",
-        "KotlinStdlibJdk8-1.9.x"
+        "KotlinStdlib-2.x"
+      ],
+      "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.*": [
+        "KotlinxCoroutinesCoreJvm-1.8.x",
+        "KotlinStdlib-2.x"
+      ],
+      "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.8.*": [
+        "KotlinxCoroutinesCoreJvm-1.8.x",
+        "KotlinStdlib-2.x"
+      ],
+      "org.jetbrains.kotlin:kotlin-stdlib:2.*": [
+        "KotlinStdlib-2.x"
       ],
       "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.7.*": [
         "KotlinStdlibCommon-1.9.x",

.changes/a44842e7-3418-48ce-b2a9-99718c72c43b.json

@@ -0,0 +1,6 @@
+{
+    "id": "a44842e7-3418-48ce-b2a9-99718c72c43b",
+    "type": "misc",
+    "description": "⚠️ **IMPORTANT**: Upgrade to Kotlin 2.0.0",
+    "requiresMinorVersionBump": true
+}

.github/workflows/continuous-integration.yml

@@ -60,7 +60,8 @@ jobs:
       - name: Test
         shell: bash
         run: |
-          echo "kotlinWarningsAsErrors=true" >> $GITHUB_WORKSPACE/local.properties
+          # FIXME K2. Re-enable warnings as errors after this warning is removed: https://youtrack.jetbrains.com/issue/KT-68532
+          # echo "kotlinWarningsAsErrors=true" >> $GITHUB_WORKSPACE/local.properties              
           ./gradlew apiCheck
           ./gradlew test jvmTest
       - name: Save Test Reports

codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/core/KotlinDependency.kt

@@ -37,7 +37,7 @@ private fun getDefaultRuntimeVersion(): String {
 // publishing info
 const val RUNTIME_GROUP: String = "aws.smithy.kotlin"
 val RUNTIME_VERSION: String = System.getProperty("smithy.kotlin.codegen.clientRuntimeVersion", getDefaultRuntimeVersion())
-val KOTLIN_COMPILER_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCompilerVersion", "1.9.21")
+val KOTLIN_COMPILER_VERSION: String = System.getProperty("smithy.kotlin.codegen.kotlinCompilerVersion", "2.0.0")
 
 enum class SourceSet {
     CommonMain,

gradle/libs.versions.toml

@@ -1,12 +1,12 @@
 [versions]
-kotlin-version = "1.9.23"
+kotlin-version = "2.0.0"
 dokka-version = "1.9.10"
 
 aws-kotlin-repo-tools-version = "0.4.9"
 
 # libs
-coroutines-version = "1.7.3"
-atomicfu-version = "0.23.1"
+coroutines-version = "1.8.1"
+atomicfu-version = "0.24.0"
 okhttp-version = "5.0.0-alpha.14"
 okio-version = "3.9.0"
 otel-version = "1.32.0"
@@ -21,16 +21,14 @@ smithy-gradle-version = "0.9.0"
 # testing
 junit-version = "5.10.1"
 kotest-version = "5.8.0"
-kotlin-compile-testing-version = "1.5.0"
+kotlin-compile-testing-version = "1.6.0"
 kotlinx-benchmark-version = "0.4.9"
 kotlinx-serialization-version = "1.6.0"
 docker-java-version = "3.3.6"
 ktor-version = "2.3.12"
 kaml-version = "0.55.0"
 jsoup-version = "1.16.2"
 
-
-
 [libraries]
 aws-kotlin-repo-tools-build-support = { module="aws.sdk.kotlin.gradle:build-support", version.ref = "aws-kotlin-repo-tools-version" }
 

runtime/observability/telemetry-api/common/src/aws/smithy/kotlin/runtime/telemetry/context/TelemetryContextElement.kt

@@ -17,6 +17,11 @@ public expect class TelemetryContextElement(context: Context) : CoroutineContext
     public companion object Key : CoroutineContext.Key<TelemetryContextElement>
 
     public val context: Context
+    override val key: CoroutineContext.Key<*>
+    override fun <E : CoroutineContext.Element> get(key: CoroutineContext.Key<E>): E?
+    override fun <R> fold(initial: R, operation: (R, CoroutineContext.Element) -> R): R
+    override fun plus(context: CoroutineContext): CoroutineContext
+    override fun minusKey(key: CoroutineContext.Key<*>): CoroutineContext
 }
 
 /**

runtime/protocol/http-client-engines/test-suite/build.gradle.kts

@@ -105,7 +105,7 @@ val startTestServers = task<LocalTestServers>("startTestServers") {
 
     main = "aws.smithy.kotlin.runtime.http.test.util.TestServersKt"
     val kotlinCompilation = kotlin.targets.getByName("jvm").compilations["test"]
-    classpath = (kotlinCompilation as org.jetbrains.kotlin.gradle.plugin.KotlinCompilationToRunnableFiles<*>).runtimeDependencyFiles
+    classpath = kotlinCompilation.runtimeDependencyFiles!!
     sslConfigPath = File.createTempFile("ssl-", ".cfg").absolutePath
 }
 

runtime/protocol/http-client-engines/test-suite/jvmAndNative/src/aws/smithy/kotlin/runtime/http/test/util/AbstractEngineTestJvmAndNative.kt

@@ -5,9 +5,7 @@
 
 package aws.smithy.kotlin.runtime.http.test.util
 
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.withTimeout
+import kotlinx.coroutines.*
 import kotlin.coroutines.CoroutineContext
 import kotlin.time.Duration
 

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/collections/MutableMultiMap.kt

@@ -90,7 +90,7 @@ public interface MutableMultiMap<K, V> : MutableMap<K, MutableList<V>> {
      * @param value The value to disassociate
      * @return True if the given value was previously associated with the given key; otherwise, false.
      */
-    @Suppress("INAPPLICABLE_JVM_NAME")
+    @Suppress("INAPPLICABLE_JVM_NAME") // https://youtrack.jetbrains.com/issue/KT-68532
     @JvmName("removeElement")
     public fun remove(key: K, value: V): Boolean
 
@@ -170,7 +170,7 @@ internal class SimpleMutableMultiMap<K, V>(
 
     override fun hashCode(): Int = delegate.hashCode()
 
-    @Suppress("INAPPLICABLE_JVM_NAME")
+    @Suppress("INAPPLICABLE_JVM_NAME") // https://youtrack.jetbrains.com/issue/KT-68532
     @JvmName("removeElement")
     override fun remove(key: K, value: V): Boolean = this[key]?.remove(value) ?: false
 

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/collections/views/MutableMultiMapView.kt

@@ -89,7 +89,7 @@ internal class MutableMultiMapView<KSrc, KDest, VSrc, VDest>(
     }
     override fun remove(key: KDest): MutableList<VDest>? = src.remove(kDest2Src(key))?.let(vListSrc2Dest)
 
-    @Suppress("INAPPLICABLE_JVM_NAME")
+    @Suppress("INAPPLICABLE_JVM_NAME") // https://youtrack.jetbrains.com/issue/KT-68532
     @JvmName("removeElement")
     override fun remove(key: KDest, value: VDest): Boolean = src.remove(kDest2Src(key), vDest2Src(value))
 

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/compression/Gzip.kt

@@ -5,10 +5,16 @@
 
 package aws.smithy.kotlin.runtime.compression
 
+import aws.smithy.kotlin.runtime.content.ByteStream
+
 /**
  * The gzip compression algorithm.
  * Used to compress http requests.
  *
  * See: https://en.wikipedia.org/wiki/Gzip
  */
-public expect class Gzip() : CompressionAlgorithm
+public expect class Gzip() : CompressionAlgorithm {
+    override val id: String
+    override val contentEncoding: String
+    override fun compress(stream: ByteStream): ByteStream
+}

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/hashing/Crc32.kt

@@ -30,7 +30,14 @@ public abstract class Crc32Base : HashFunction {
  * directly to avoid doing the integer conversion yourself.
  */
 @InternalApi
-public expect class Crc32() : Crc32Base
+public expect class Crc32() : Crc32Base {
+    override fun update(input: ByteArray, offset: Int, length: Int)
+    override fun digest(): ByteArray
+    override fun digestValue(): UInt
+    override fun reset()
+    override val blockSizeBytes: Int
+    override val digestSizeBytes: Int
+}
 
 /**
  * Compute the CRC32 checksum of the given [ByteArray]

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/hashing/Md5.kt

@@ -16,7 +16,13 @@ public abstract class Md5Base : HashFunction {
  * Implementation of RFC1321 MD5 digest
  */
 @InternalApi
-public expect class Md5() : Md5Base
+public expect class Md5() : Md5Base {
+    override fun update(input: ByteArray, offset: Int, length: Int)
+    override fun digest(): ByteArray
+    override fun reset()
+    override val blockSizeBytes: Int
+    override val digestSizeBytes: Int
+}
 
 /**
  * Compute the MD5 hash of the current [ByteArray]

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/hashing/Sha1.kt

@@ -16,7 +16,13 @@ public abstract class Sha1Base : HashFunction {
  * Implementation of SHA-1 (Secure Hash Algorithm 1) hash function. See: https://csrc.nist.gov/projects/hash-functions
  */
 @InternalApi
-public expect class Sha1() : Sha1Base
+public expect class Sha1() : Sha1Base {
+    override fun update(input: ByteArray, offset: Int, length: Int)
+    override fun digest(): ByteArray
+    override fun reset()
+    override val blockSizeBytes: Int
+    override val digestSizeBytes: Int
+}
 
 /**
  * Compute the SHA-1 hash of the current [ByteArray]

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/hashing/Sha256.kt

@@ -17,7 +17,13 @@ public abstract class Sha256Base : HashFunction {
 
  */
 @InternalApi
-public expect class Sha256() : Sha256Base
+public expect class Sha256() : Sha256Base {
+    override fun update(input: ByteArray, offset: Int, length: Int)
+    override fun digest(): ByteArray
+    override fun reset()
+    override val blockSizeBytes: Int
+    override val digestSizeBytes: Int
+}
 
 /**
  * Compute the SHA-256 hash of the current [ByteArray]

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/io/BufferedSinkAdapter.kt

@@ -8,7 +8,24 @@ package aws.smithy.kotlin.runtime.io
 import aws.smithy.kotlin.runtime.io.internal.toOkio
 import aws.smithy.kotlin.runtime.io.internal.toSdk
 
-internal expect class BufferedSinkAdapter(sink: okio.BufferedSink) : SdkBufferedSink
+internal expect class BufferedSinkAdapter(sink: okio.BufferedSink) : SdkBufferedSink {
+    override fun writeShortLe(x: Short)
+    override fun writeUtf8(string: String, start: Int, endExclusive: Int)
+    override val buffer: SdkBuffer
+    override fun writeShort(x: Short)
+    override fun writeLongLe(x: Long)
+    override fun emit()
+    override fun flush()
+    override fun close()
+    override fun write(source: SdkSource, byteCount: Long)
+    override fun write(source: SdkBuffer, byteCount: Long)
+    override fun writeAll(source: SdkSource): Long
+    override fun writeIntLe(x: Int)
+    override fun writeInt(x: Int)
+    override fun writeByte(x: Byte)
+    override fun writeLong(x: Long)
+    override fun write(source: ByteArray, offset: Int, limit: Int)
+}
 
 // base class that fills in most of the common implementation, platforms just need to implement the platform specific
 // part of the interface

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/io/BuffereredSourceAdapter.kt

@@ -8,7 +8,29 @@ package aws.smithy.kotlin.runtime.io
 import aws.smithy.kotlin.runtime.io.internal.toOkio
 import aws.smithy.kotlin.runtime.io.internal.toSdk
 
-internal expect class BufferedSourceAdapter(source: okio.BufferedSource) : SdkBufferedSource
+internal expect class BufferedSourceAdapter(source: okio.BufferedSource) : SdkBufferedSource {
+    override val buffer: SdkBuffer
+    override fun read(sink: SdkBuffer, limit: Long): Long
+    override fun readByte(): Byte
+    override fun read(sink: ByteArray, offset: Int, limit: Int): Int
+    override fun readByteArray(): ByteArray
+    override fun readInt(): Int
+    override fun readIntLe(): Int
+    override fun readLongLe(): Long
+    override fun readLong(): Long
+    override fun readShort(): Short
+    override fun readShortLe(): Short
+    override fun readUtf8(): String
+    override fun readUtf8(byteCount: Long): String
+    override fun readByteArray(byteCount: Long): ByteArray
+    override fun request(byteCount: Long): Boolean
+    override fun exhausted(): Boolean
+    override fun readAll(sink: SdkSink): Long
+    override fun require(byteCount: Long)
+    override fun skip(byteCount: Long)
+    override fun peek(): SdkBufferedSource
+    override fun close()
+}
 
 // base class that fills in most of the common implementation, platforms just need to implement the platform specific
 // part of the interface

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/io/GzipByteReadChannel.kt

@@ -7,4 +7,11 @@ package aws.smithy.kotlin.runtime.io
 /**
  * Wraps the SdkByteReadChannel so that it compresses into gzip format with each read.
  */
-public expect class GzipByteReadChannel(channel: SdkByteReadChannel) : SdkByteReadChannel
+public expect class GzipByteReadChannel(channel: SdkByteReadChannel) : SdkByteReadChannel {
+    override suspend fun read(sink: SdkBuffer, limit: Long): Long
+    override fun cancel(cause: Throwable?): Boolean
+    override val availableForRead: Int
+    override val isClosedForWrite: Boolean
+    override val isClosedForRead: Boolean
+    override val closedCause: Throwable?
+}

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/io/GzipSdkSource.kt

@@ -7,4 +7,7 @@ package aws.smithy.kotlin.runtime.io
 /**
  * Wraps the SdkSource so that it compresses into gzip format with each read.
  */
-public expect class GzipSdkSource(source: SdkSource) : SdkSource
+public expect class GzipSdkSource(source: SdkSource) : SdkSource {
+    override fun read(sink: SdkBuffer, limit: Long): Long
+    override fun close()
+}

runtime/runtime-core/common/src/aws/smithy/kotlin/runtime/io/SdkBuffer.kt

@@ -23,4 +23,39 @@ public expect class SdkBuffer :
     internal constructor(buffer: okio.Buffer)
 
     override val buffer: SdkBuffer
+
+    override fun close()
+    override fun require(byteCount: Long)
+    override fun skip(byteCount: Long)
+    override fun exhausted(): Boolean
+    override fun readShortLe(): Short
+    override fun readUtf8(): String
+    override fun readShort(): Short
+    override fun readIntLe(): Int
+    override fun readLong(): Long
+    override fun readInt(): Int
+    override fun peek(): SdkBufferedSource
+    override fun readLongLe(): Long
+    override fun readByte(): Byte
+    override fun readByteArray(): ByteArray
+    override fun request(byteCount: Long): Boolean
+    override fun readAll(sink: SdkSink): Long
+    override fun emit()
+    override fun flush()
+    override fun read(sink: SdkBuffer, limit: Long): Long
+    override fun read(sink: ByteArray, offset: Int, limit: Int): Int
+    override fun readByteArray(byteCount: Long): ByteArray
+    override fun readUtf8(byteCount: Long): String
+    override fun write(source: SdkBuffer, byteCount: Long)
+    override fun write(source: SdkSource, byteCount: Long)
+    override fun write(source: ByteArray, offset: Int, limit: Int)
+    override fun writeAll(source: SdkSource): Long
+    override fun writeByte(x: Byte)
+    override fun writeInt(x: Int)
+    override fun writeIntLe(x: Int)
+    override fun writeLong(x: Long)
+    override fun writeLongLe(x: Long)
+    override fun writeShort(x: Short)
+    override fun writeShortLe(x: Short)
+    override fun writeUtf8(string: String, start: Int, endExclusive: Int)
 }