♻️ Refactor serial name of ZeroAsByteSerializer type

Gradle projects: types-internal and types-kotlinx-serialization.
References: #602 and #644.

subprojects/internal/src/commonMain/kotlin/kotools/types/internal/KClassX.kt

@@ -5,7 +5,8 @@ import kotlin.reflect.KClass
 /** Returns the simple name of the type [T]. */
 @InternalKotoolsTypesApi
 public inline fun <reified T : Any> simpleNameOf(): String {
-    val kClass: KClass<T> = T::class
-    return kClass.simpleName
-        ?: error("Getting simple name of '$kClass' shouldn't fail.")
+    val type: KClass<T> = T::class
+    return checkNotNull(type.simpleName) {
+        "Getting simple name of '$type' shouldn't return 'null'."
+    }
 }

subprojects/kotlinx-serialization/build.gradle.kts

@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet
+
 plugins {
     alias(libs.plugins.kotlin.multiplatform)
     alias(libs.plugins.kotlinx.binary.compatibility.validator)
@@ -17,8 +19,20 @@ apiValidation.apiDumpDirectory = "src/api"
 
 documentation.packages = layout.projectDirectory.file("packages.md").asFile
 
-kotlin.sourceSets.all {
-    languageSettings.optIn("kotools.types.internal.InternalKotoolsTypesApi")
+kotlin.sourceSets {
+    all {
+        languageSettings.optIn("kotools.types.internal.InternalKotoolsTypesApi")
+    }
+    val jvmAndNativeMain: KotlinSourceSet by creating {
+        commonMain.get()
+            .let(this::dependsOn)
+    }
+    jvmMain.get()
+        .dependsOn(jvmAndNativeMain)
+    val nativeMain: KotlinSourceSet by creating { dependsOn(jvmAndNativeMain) }
+    listOf(linuxMain, macosMain, macosArm64Main, windowsMain)
+        .map(NamedDomainObjectProvider<KotlinSourceSet>::get)
+        .forEach { it.dependsOn(nativeMain) }
 }
 
 publishing.publications.named<MavenPublication>("kotlinMultiplatform")

subprojects/kotlinx-serialization/src/commonMain/kotlin/org/kotools/types/kotlinx/serialization/SerialName.kt

@@ -0,0 +1,4 @@
+package org.kotools.types.kotlinx.serialization
+
+@Suppress("unused")
+internal expect inline fun <reified T : Any> serialNameOf(): String

subprojects/kotlinx-serialization/src/commonMain/kotlin/org/kotools/types/kotlinx/serialization/ZeroAsByteSerializer.kt

@@ -1,5 +1,6 @@
 package org.kotools.types.kotlinx.serialization
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.SerializationException
 import kotlinx.serialization.descriptors.PrimitiveKind
@@ -8,18 +9,14 @@ import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import kotools.types.experimental.ExperimentalKotoolsTypesApi
-import kotools.types.internal.simpleNameOf
 import org.kotools.types.Zero
 
 @OptIn(ExperimentalKotoolsTypesApi::class)
 internal object ZeroAsByteSerializer : KSerializer<Zero> {
     override val descriptor: SerialDescriptor
         get() {
-            val className: String = simpleNameOf<Zero>()
-            return PrimitiveSerialDescriptor(
-                serialName = "org.kotools.types.$className",
-                kind = PrimitiveKind.BYTE
-            )
+            val serialName: String = serialNameOf<Zero>()
+            return PrimitiveSerialDescriptor(serialName, PrimitiveKind.BYTE)
         }
 
     override fun serialize(encoder: Encoder, value: Zero) {
@@ -35,8 +32,9 @@ internal object ZeroAsByteSerializer : KSerializer<Zero> {
         throw SerializationException(message)
     }
 
+    @OptIn(ExperimentalSerializationApi::class)
     fun deserializationErrorMessage(decodedValue: Byte): String {
-        val typeName: String = simpleNameOf<Zero>()
-        return "Unable to deserialize '$typeName' from ${decodedValue}."
+        val serialName: String = this.descriptor.serialName
+        return "Unable to deserialize '$serialName' from ${decodedValue}."
     }
 }

subprojects/kotlinx-serialization/src/commonTest/kotlin/org/kotools/types/kotlinx/serialization/ZeroAsByteSerializerTest.kt

@@ -8,7 +8,6 @@ import kotlinx.serialization.descriptors.SerialKind
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import kotools.types.experimental.ExperimentalKotoolsTypesApi
-import kotools.types.internal.simpleNameOf
 import org.kotools.types.Zero
 import kotlin.random.Random
 import kotlin.test.Test
@@ -23,8 +22,7 @@ class ZeroAsByteSerializerTest {
     fun descriptor_serialName_should_be_the_qualified_name_of_Zero() {
         val serializer: KSerializer<Zero> = ZeroAsByteSerializer
         val actual: String = serializer.descriptor.serialName
-        val className: String = simpleNameOf<Zero>()
-        val expected = "org.kotools.types.$className"
+        val expected: String = serialNameOf<Zero>()
         assertEquals(expected, actual)
     }
 

subprojects/kotlinx-serialization/src/jsMain/kotlin/org/kotools/types/kotlinx/serialization/JsSerialName.kt

@@ -0,0 +1,6 @@
+package org.kotools.types.kotlinx.serialization
+
+import kotools.types.internal.simpleNameOf
+
+internal actual inline fun <reified T : Any> serialNameOf(): String =
+    simpleNameOf<T>()

subprojects/kotlinx-serialization/src/jvmAndNativeMain/kotlin/org/kotools/types/kotlinx/serialization/JvmAndNativeSerialName.kt

@@ -0,0 +1,10 @@
+package org.kotools.types.kotlinx.serialization
+
+import kotlin.reflect.KClass
+
+internal actual inline fun <reified T : Any> serialNameOf(): String {
+    val type: KClass<T> = T::class
+    return checkNotNull(type.qualifiedName) {
+        "Getting qualified name of $type shouldn't return 'null'."
+    }
+}