Memory release fix, Kotlin upgrade

gradle.properties

@@ -3,7 +3,7 @@ kotlin.code.style=official
 GROUP=co.touchlab
 
 VERSION_NAME=1.2.3
-KOTLIN_VERSION=1.8.10
+KOTLIN_VERSION=1.9.20-RC2
 
 kotlin.native.ignoreDisabledTargets=true
 
@@ -26,3 +26,6 @@ POM_DEVELOPER_URL=https://touchlab.co/
 
 kotlin.mpp.enableCInteropCommonization=true
 kotlin.mpp.commonizerLogLevel=info
+kotlin.mpp.applyDefaultHierarchyTemplate=false
+kotlin.native.cacheKind.macosArm64=none
+kotlin.native.cacheKind.iosSimulatorArm64=none

gradle/gradle-mvn-mpp-push.gradle

@@ -97,7 +97,6 @@ publishing {
 }
 
 tasks.register('publishWindows') {
-  dependsOn 'publishMingwX86PublicationToMavenRepository'
   dependsOn 'publishMingwX64PublicationToMavenRepository'
 }
 

sqliter-driver/build.gradle.kts

@@ -26,18 +26,22 @@ fun configInterop(target: org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTar
             HostManager.hostIsMingw -> listOf("-linker-options", "-lsqlite3 -Lc:\\msys64\\mingw64\\lib")
             else -> listOf("-linker-options", "-lsqlite3")
         }
+        kotlinNativeCompilation.kotlinOptions.freeCompilerArgs += listOf(
+            "-opt-in=kotlin.experimental.ExperimentalNativeApi",
+            "-opt-in=kotlinx.cinterop.ExperimentalForeignApi",
+            "-opt-in=kotlinx.cinterop.BetaInteropApi",
+            "-Xexpect-actual-classes",
+        )
     }
 }
 
 kotlin {
     val knTargets = listOf(
-            macosX64(),
-            iosX64(),
-            iosArm64(),
-            iosArm32(),
+        macosX64(),
+        iosX64(),
+        iosArm64(),
         watchosArm32(),
         watchosArm64(),
-        watchosX86(),
         watchosX64(),
         tvosArm64(),
         tvosX64(),
@@ -47,8 +51,7 @@ kotlin {
         tvosSimulatorArm64(),
         watchosDeviceArm64(),
         mingwX64(),
-        mingwX86(),
-        linuxX64()
+        linuxX64(),
     )
 
     knTargets
@@ -87,10 +90,6 @@ kotlin {
             dependsOn(mingwMain)
         }
 
-        val mingwX86Main = sourceSets.maybeCreate("mingwX86Main").apply {
-            dependsOn(mingwMain)
-        }
-
         knTargets.forEach { target ->
             when {
                 target.name.startsWith("mingw") -> {

sqliter-driver/src/appleMain/kotlin/co/touchlab/sqliter/interop/Platform.kt

@@ -1,7 +1,11 @@
 package co.touchlab.sqliter.interop
 
-import kotlinx.cinterop.*
+import kotlinx.cinterop.ByteVar
+import kotlinx.cinterop.CPointer
+import kotlinx.cinterop.autoreleasepool
 import platform.Foundation.NSString
 import platform.Foundation.create
 
-actual inline fun bytesToString(bv:CPointer<ByteVar>):String = NSString.create(uTF8String = bv).toString()
+actual inline fun bytesToString(bv: CPointer<ByteVar>): String = autoreleasepool {
+    NSString.create(uTF8String = bv).toString()
+}

sqliter-driver/src/nativeCommonMain/kotlin/co/touchlab/sqliter/interop/ActualSqliteStatement.kt

@@ -6,6 +6,8 @@ import platform.posix.usleep
 
 expect inline fun bytesToString(bv:CPointer<ByteVar>):String
 
+private const val EMPTY_STRING = ""
+
 internal class ActualSqliteStatement(private val db: SqliteDatabase, private val stmtPointer: SqliteStatementPointer) :
     SqliteStatement {
 
@@ -21,7 +23,7 @@ internal class ActualSqliteStatement(private val db: SqliteDatabase, private val
 
     override fun columnGetString(columnIndex: Int): String =
         sqlite3_column_text(stmtPointer, columnIndex)?.reinterpret<ByteVar>()?.let { bytesToString(it) }
-            ?: ""
+            ?: EMPTY_STRING
 
     override fun columnGetBlob(columnIndex: Int): ByteArray {
         val blobSize = sqlite3_column_bytes(stmtPointer, columnIndex)

sqliter-driver/src/nativeCommonMain/kotlin/co/touchlab/sqliter/interop/Types.kt

@@ -3,5 +3,5 @@ package co.touchlab.sqliter.interop
 import cnames.structs.sqlite3_stmt
 import kotlinx.cinterop.CPointer
 
-typealias SqliteDatabasePointer = CPointer<co.touchlab.sqliter.sqlite3.sqlite3>
+typealias SqliteDatabasePointer = CPointer<cnames.structs.sqlite3>
 typealias SqliteStatementPointer = CPointer<sqlite3_stmt>

sqliter-driver/src/nativeCommonMain/kotlin/co/touchlab/sqliter/native/NativeDatabaseConnection.kt

@@ -22,8 +22,8 @@ import co.touchlab.sqliter.concurrency.withLock
 import co.touchlab.sqliter.interop.SqliteDatabase
 import co.touchlab.sqliter.interop.SqliteDatabasePointer
 import co.touchlab.sqliter.util.maybeFreeze
-import kotlin.native.concurrent.AtomicInt
-import kotlin.native.concurrent.AtomicReference
+import kotlin.concurrent.AtomicInt
+import kotlin.concurrent.AtomicReference
 
 class NativeDatabaseConnection internal constructor(
     val dbManager: NativeDatabaseManager,

sqliter-driver/src/nativeCommonMain/kotlin/co/touchlab/sqliter/native/NativeDatabaseManager.kt

@@ -24,7 +24,7 @@ import co.touchlab.sqliter.concurrency.withLock
 import co.touchlab.sqliter.interop.OpenFlags
 import co.touchlab.sqliter.interop.dbOpen
 import co.touchlab.sqliter.util.maybeFreeze
-import kotlin.native.concurrent.AtomicInt
+import kotlin.concurrent.AtomicInt
 
 class NativeDatabaseManager(private val path:String,
                             override val configuration: DatabaseConfiguration
@@ -108,3 +108,7 @@ class NativeDatabaseManager(private val path:String,
         configuration.lifecycleConfig.onCloseConnection(connection)
     }
 }
+
+fun AtomicInt.increment() {
+    incrementAndGet()
+}