[K/N][gradle][interop] Refactored ToolConfig

Added possibility to create different strategies for loading libclang

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/KonanToolRunner.kt

@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.konan.util.DependencyDirectories
 import java.io.File
 import java.util.Properties
 import org.jetbrains.kotlin.compilerRunner.KotlinToolRunner
+import org.jetbrains.kotlin.konan.target.AbstractToolConfig
 
 internal interface KonanToolRunner {
     fun run(args: List<String>)
@@ -67,10 +68,10 @@ internal abstract class KonanCliRunner(
             """.trimIndent()
             }
 
-    data class IsolatedClassLoaderCacheKey(val classpath: Set<java.io.File>)
+    data class IsolatedClassLoaderCacheKey(val classpath: Set<java.io.File>, val project: Project)
 
     // TODO: can't we use this for other implementations too?
-    final override val isolatedClassLoaderCacheKey get() = IsolatedClassLoaderCacheKey(classpath)
+    final override val isolatedClassLoaderCacheKey get() = IsolatedClassLoaderCacheKey(classpath, project)
 
     override fun transformArgs(args: List<String>) = listOf(toolName) + args
 
@@ -103,6 +104,16 @@ internal class KonanCliCompilerRunner(
     }
 }
 
+private val load0 = Runtime::class.java.getDeclaredMethod("load0", Class::class.java, String::class.java).also {
+    it.isAccessible = true
+}
+
+internal class CliToolConfig(konanHome: String, target: String) : AbstractToolConfig(konanHome, target, emptyMap()) {
+    override fun loadLibclang() {
+        load0.invoke(Runtime.getRuntime(), String::class.java, libclang)
+    }
+}
+
 /** Kotlin/Native C-interop tool runner */
 internal class KonanCliInteropRunner(
         project: Project,
@@ -125,6 +136,10 @@ internal class KonanCliInteropRunner(
         result
     }
 
+    fun init(target: String) {
+        CliToolConfig(konanHome, target).prepare()
+    }
+
     private val llvmExecutablesPath: String? by lazy {
         if (HostManager.host == KonanTarget.MINGW_X64) {
             // TODO: Read it from Platform properties when it is accessible.

kotlin-native/tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/konan/tasks/KonanInteropTask.kt

@@ -36,8 +36,10 @@ import javax.inject.Inject
 
 open class KonanInteropTask @Inject constructor(@Internal val workerExecutor: WorkerExecutor) : KonanBuildingTask(), KonanInteropSpec {
 
+    private val interopRunner = KonanCliInteropRunner(project, project.konanExtension.jvmArgs)
+
     @get:Internal
-    override val toolRunner: KonanToolRunner = KonanCliInteropRunner(project, project.konanExtension.jvmArgs)
+    override val toolRunner: KonanToolRunner = interopRunner
 
     override fun init(config: KonanBuildingConfig<*>, destinationDir: File, artifactName: String, target: KonanTarget) {
         super.init(config, destinationDir, artifactName, target)
@@ -174,6 +176,8 @@ open class KonanInteropTask @Inject constructor(@Internal val workerExecutor: Wo
     }
 
     override fun run() {
+        interopRunner.init(target)
+
         destinationDir.mkdirs()
         if (dumpParameters) {
             dumpProperties(this)