Kotlin Gradle Plugin: Provide serialized list of compiler arguments in compilation tasks

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/dsl/KotlinCompile.kt

@@ -19,7 +19,11 @@ package org.jetbrains.kotlin.gradle.dsl
 import groovy.lang.Closure
 import org.gradle.api.Task
 
-interface KotlinCompile<T : KotlinCommonOptions> : Task {
+interface CompilerArgumentAware {
+    val serializedCompilerArguments: List<String>
+}
+
+interface KotlinCompile<T : KotlinCommonOptions> : Task, CompilerArgumentAware {
     val kotlinOptions: T
 
     fun kotlinOptions(fn: T.() -> Unit) {

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

@@ -52,9 +52,16 @@ const val ANNOTATIONS_PLUGIN_NAME = "org.jetbrains.kotlin.kapt"
 const val KOTLIN_BUILD_DIR_NAME = "kotlin"
 const val USING_EXPERIMENTAL_INCREMENTAL_MESSAGE = "Using experimental kotlin incremental compilation"
 
-abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractCompile() {
+abstract class AbstractKotlinCompile<T : CommonCompilerArguments>() : AbstractCompile(), CompilerArgumentAware {
     abstract protected fun populateCompilerArguments(): T
 
+    override val serializedCompilerArguments: List<String>
+        get() {
+            val arguments = populateCompilerArguments()
+            arguments.setupCommonCompilerArgs()
+            return ArgumentUtils.convertArgumentsToStringList(arguments)
+        }
+
     // indicates that task should compile kotlin incrementally if possible
     // it's not possible when IncrementalTaskInputs#isIncremental returns false (i.e first build)
     var incremental: Boolean = false