[Gradle] Provide JNA jar to compiler classpath with intellij-core 203+

#KT-47748 Fixed

gradle/versions.properties

@@ -18,6 +18,7 @@ versions.jar.serviceMessages=2019.1.4
 versions.jar.lz4-java=1.7.1
 ignore.jar.snappy-in-java=true
 versions.gradle-api=4.5.1
+versions.jna=5.6.0
 versions.shadow=6.1.0
 versions.junit-bom=5.7.0
 versions.org.junit.platform=1.7.0

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/jarSearchingUtil.kt

@@ -38,6 +38,7 @@ private val KOTLIN_SCRIPT_ANNOTATION_EXPECTED_CLASS = "kotlin.script.experimenta
 private val KOTLIN_JVM_SCRIPT_COMPILER_EXPECTED_CLASS = "kotlin.script.experimental.jvm.JvmScriptCompiler"
 private val KOTLIN_REFLECT_EXPECTED_CLASS = "kotlin.reflect.full.KClasses"
 private val TROVE4J_EXPECTED_CLASS = "gnu.trove.THashMap"
+private val JNA_EXPECTED_CLASS = "com.sun.jna.Structure"
 private val DAEMON_EXPECTED_CLASS = "org.jetbrains.kotlin.daemon.CompileServiceImpl"
 internal const val KOTLIN_MODULE_GROUP = "org.jetbrains.kotlin"
 private val KOTLIN_GRADLE_PLUGIN = "kotlin-gradle-plugin"
@@ -77,7 +78,7 @@ internal fun findKotlinCompilerClasspath(project: Project): List<File> {
     return findKotlinStdlibClasspath(project) +
             findKotlinScriptRuntimeClasspath(project) +
             findKotlinReflectClasspath(project) +
-            listOfNotNull(findTrove4j(), findDaemon())
+            listOfNotNull(findTrove4j(), findJna(), findDaemon())
 }
 
 internal fun findJarByClass(classFqName: String): File? {
@@ -92,6 +93,7 @@ internal fun findJarByClass(classFqName: String): File? {
 }
 
 internal fun findTrove4j() = findJarByClass(TROVE4J_EXPECTED_CLASS)
+internal fun findJna() = findJarByClass(JNA_EXPECTED_CLASS)
 internal fun findDaemon() = findJarByClass(DAEMON_EXPECTED_CLASS)
 
 internal fun findKotlinStdlibClasspath(project: Project): List<File> =

prepare/compiler-embeddable/build.gradle.kts

@@ -26,6 +26,9 @@ dependencies {
     runtimeOnly(project(":kotlin-reflect"))
     runtimeOnly(project(":kotlin-daemon-embeddable"))
     runtimeOnly(commonDep("org.jetbrains.intellij.deps", "trove4j"))
+    Platform[203].orHigher {
+        runtimeOnly(commonDep("net.java.dev.jna", "jna"))
+    }
     testCompile(commonDep("junit:junit"))
     testCompile(project(":kotlin-test:kotlin-test-junit"))
     testCompilationClasspath(kotlinStdlib())