IDE: Add native extensions to KotlinCompilation

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt

@@ -471,7 +471,7 @@ open class KotlinMPPGradleProjectResolver : AbstractProjectResolverExtension() {
             val substitutedDependencies: List<ExternalDependency>
         ) {
             val konanTarget: String?
-                get() = compilation.konanTarget
+                get() = compilation.nativeExtensions.konanTarget
 
             val dependencyNames: Map<String, ExternalDependency> by lazy {
                 substitutedDependencies.associateBy { it.name.removeSuffixIfPresent(" [$konanTarget]") }

idea/kotlin-gradle-tooling/src/KotlinMPPGradleModel.kt

@@ -91,6 +91,10 @@ interface KotlinCompilationArguments : Serializable {
     val currentArguments: Array<String>
 }
 
+interface KotlinNativeCompilationExtensions : Serializable {
+    val konanTarget: String?
+}
+
 interface KotlinCompilation : KotlinModule {
     val sourceSets: Collection<KotlinSourceSet>
     val output: KotlinCompilationOutput
@@ -99,8 +103,7 @@ interface KotlinCompilation : KotlinModule {
     val disambiguationClassifier: String?
     val platform: KotlinPlatform
     val kotlinTaskProperties: KotlinTaskProperties
-
-    val konanTarget: String?
+    val nativeExtensions: KotlinNativeCompilationExtensions
 
     companion object {
         const val MAIN_COMPILATION_NAME = "main"

idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt

@@ -432,6 +432,7 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
                 it.invoke(konanTarget) as? String
             }
         }
+        val nativeExtensions = KotlinNativeCompilationExtensionsImpl(konanTarget)
 
         return KotlinCompilationImpl(
             gradleCompilation.name,
@@ -441,7 +442,7 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
             arguments,
             dependencyClasspath.toTypedArray(),
             kotlinTaskProperties,
-            konanTarget
+            nativeExtensions
         )
     }
 

idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelImpl.kt

@@ -82,6 +82,12 @@ data class KotlinCompilationArgumentsImpl(
     )
 }
 
+data class KotlinNativeCompilationExtensionsImpl(
+    override val konanTarget: String? = null
+) : KotlinNativeCompilationExtensions {
+    constructor(extensions: KotlinNativeCompilationExtensions) : this(extensions.konanTarget)
+}
+
 data class KotlinCompilationImpl(
     override val name: String,
     override val sourceSets: Collection<KotlinSourceSet>,
@@ -90,7 +96,7 @@ data class KotlinCompilationImpl(
     override val arguments: KotlinCompilationArguments,
     override val dependencyClasspath: Array<String>,
     override val kotlinTaskProperties: KotlinTaskProperties,
-    override val konanTarget: String? = null
+    override val nativeExtensions: KotlinNativeCompilationExtensions
 ) : KotlinCompilation {
 
     // create deep copy
@@ -106,7 +112,7 @@ data class KotlinCompilationImpl(
         KotlinCompilationArgumentsImpl(kotlinCompilation.arguments),
         kotlinCompilation.dependencyClasspath,
         KotlinTaskPropertiesImpl(kotlinCompilation.kotlinTaskProperties),
-        kotlinCompilation.konanTarget
+        KotlinNativeCompilationExtensionsImpl(kotlinCompilation.nativeExtensions)
     ) {
         disambiguationClassifier = kotlinCompilation.disambiguationClassifier
         platform = kotlinCompilation.platform