Import list of pure kotlin source roots from gradle

in facet settings for inspections
#KT-32300 Fixed

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

@@ -64,8 +64,8 @@ var DataNode<out ModuleData>.dependenciesCache
         by DataNodeUserDataProperty(
             Key.create<MutableMap<DataNode<ProjectData>, Collection<DataNode<out ModuleData>>>>("MODULE_DEPENDENCIES_CACHE")
         )
-var DataNode<out ContentRootData>.isPureKotlinSourceFolder
+var DataNode<out ModuleData>.pureKotlinSourceFolders
-        by NotNullableCopyableDataNodeUserDataProperty(Key.create<Boolean>("PURE_KOTLIN_SOURCE_FOLDER"), false)
+        by NotNullableCopyableDataNodeUserDataProperty(Key.create<List<String>>("PURE_KOTLIN_SOURCE_FOLDER"), emptyList())
 
 
 class KotlinGradleProjectResolverExtension : AbstractProjectResolverExtension() {
@@ -287,6 +287,8 @@ class KotlinGradleProjectResolverExtension : AbstractProjectResolverExtension()
         nextResolver.populateModuleContentRoots(gradleModule, ideModule)
         val moduleNamePrefix = GradleProjectResolverUtil.getModuleId(resolverCtx, gradleModule)
         resolverCtx.getExtraProject(gradleModule, KotlinGradleModel::class.java)?.let { gradleModel ->
+            ideModule.pureKotlinSourceFolders =
+                gradleModel.kotlinTaskProperties.flatMap { it.value.pureKotlinSourceFolders ?: emptyList() }.map { it.absolutePath }
             val gradleSourceSets = ideModule.children.filter { it.data is GradleSourceSetData } as Collection<DataNode<GradleSourceSetData>>
             for (gradleSourceSetNode in gradleSourceSets) {
                 val propertiesForSourceSet =
@@ -295,10 +297,12 @@ class KotlinGradleProjectResolverExtension : AbstractProjectResolverExtension()
                 gradleSourceSetNode.children.forEach { dataNode ->
                     val data = dataNode.data as?  ContentRootData
                     if (data != null) {
+                        /*
+                        Code snippet for setting in content root properties
                         if (propertiesForSourceSet?.second?.pureKotlinSourceFolders?.contains(File(data.rootPath)) == true) {
                             @Suppress("UNCHECKED_CAST")
                             (dataNode as DataNode<ContentRootData>).isPureKotlinSourceFolder = true
-                        }
+                        }*/
                         val packagePrefix = propertiesForSourceSet?.second?.packagePrefix
                         if (packagePrefix != null) {
                             ExternalSystemSourceType.values().filter { !(it.isResource || it.isGenerated) }.forEach { type ->

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

@@ -288,7 +288,14 @@ fun configureFacetByGradleModule(
     )
 
     val kotlinFacet = ideModule.getOrCreateFacet(modelsProvider, false, GradleConstants.SYSTEM_ID.id)
-    kotlinFacet.configureFacet(compilerVersion, coroutinesProperty, platform, modelsProvider, moduleNode.isHmpp)
+    kotlinFacet.configureFacet(
+        compilerVersion,
+        coroutinesProperty,
+        platform,
+        modelsProvider,
+        moduleNode.isHmpp,
+        moduleNode.pureKotlinSourceFolders
+    )
 
     if (sourceSetNode == null) {
         ideModule.compilerArgumentsBySourceSet = moduleNode.compilerArgumentsBySourceSet

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

@@ -121,7 +121,14 @@ class KotlinSourceSetDataService : AbstractProjectDataService<GradleSourceSetDat
             )
 
             val kotlinFacet = ideModule.getOrCreateFacet(modelsProvider, false)
-            kotlinFacet.configureFacet(compilerVersion, coroutinesProperty, platform, modelsProvider, mainModuleNode.isHmpp)
+            kotlinFacet.configureFacet(
+                compilerVersion,
+                coroutinesProperty,
+                platform,
+                modelsProvider,
+                mainModuleNode.isHmpp,
+                mainModuleNode.pureKotlinSourceFolders
+            )
 
             val compilerArguments = kotlinSourceSet.compilerArguments
             val defaultCompilerArguments = kotlinSourceSet.defaultCompilerArguments
@@ -158,6 +165,8 @@ class KotlinSourceSetDataService : AbstractProjectDataService<GradleSourceSetDat
                     productionOutputPath = (kotlinSourceSet.compilerArguments as? K2JSCompilerArguments)?.outputFile
                     testOutputPath = null
                 }
+
+                this.pureKotlinSourceFolders = mainModuleNode.pureKotlinSourceFolders
             }
 
             return kotlinFacet

idea/idea-jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt

@@ -240,6 +240,8 @@ class KotlinFacetSettings {
 
     var externalProjectId: String = ""
     var isHmppEnabled: Boolean = false
+
+    var pureKotlinSourceFolders: List<String> = emptyList()
 }
 
 interface KotlinFacetSettingsProvider {

idea/idea-jps-common/src/org/jetbrains/kotlin/config/facetSerialization.kt

@@ -161,6 +161,7 @@ private fun readV2AndLaterConfig(element: Element): KotlinFacetSettings {
         isTestModule = element.getAttributeValue("isTestModule")?.toBoolean() ?: false
         externalProjectId = element.getAttributeValue("externalProjectId") ?: ""
         isHmppEnabled = element.getAttribute("isHmppProject")?.booleanValue ?: false
+        pureKotlinSourceFolders = element.getAttributeValue("pureKotlinSourceFolders")?.split(";")?.toList() ?: emptyList()
         element.getChild("compilerSettings")?.let {
             compilerSettings = CompilerSettings()
             XmlSerializer.deserializeInto(compilerSettings!!, it)
@@ -331,6 +332,9 @@ private fun KotlinFacetSettings.writeLatestConfig(element: Element) {
     if (isHmppEnabled) {
         element.setAttribute("isHmppProject", isHmppEnabled.toString())
     }
+    if (pureKotlinSourceFolders.isNotEmpty()) {
+        element.setAttribute("pureKotlinSourceFolders", pureKotlinSourceFolders.joinToString(";"))
+    }
     productionOutputPath?.let {
         if (it != (compilerArguments as? K2JSCompilerArguments)?.outputFile) {
             element.addContent(Element("productionOutputPath").apply { addContent(PathUtil.toSystemIndependentName(it)) })

idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/KotlinMavenImporter.kt

@@ -255,7 +255,14 @@ class KotlinMavenImporter : MavenImporter(KOTLIN_PLUGIN_GROUP_ID, KOTLIN_PLUGIN_
         // TODO There should be a way to figure out the correct platform version
         val platform = detectPlatform(mavenProject)?.defaultPlatform
 
-        kotlinFacet.configureFacet(compilerVersion, LanguageFeature.Coroutines.defaultState, platform, modifiableModelsProvider, hmppEnabled = isHmppModule)
+        kotlinFacet.configureFacet(
+            compilerVersion,
+            LanguageFeature.Coroutines.defaultState,
+            platform,
+            modifiableModelsProvider,
+            hmppEnabled = isHmppModule,
+            pureKotlinSourceFolders = emptyList()
+        )
         val facetSettings = kotlinFacet.configuration.settings
         val configuredPlatform = kotlinFacet.configuration.settings.targetPlatform!!
         val configuration = mavenPlugin.configurationElement

idea/idea-test-framework/test/org/jetbrains/kotlin/idea/test/KotlinLightCodeInsightFixtureTestCase.kt

@@ -282,7 +282,7 @@ fun configureLanguageAndApiVersion(
     WriteAction.run<Throwable> {
         val modelsProvider = IdeModifiableModelsProviderImpl(project)
         val facet = module.getOrCreateFacet(modelsProvider, useProjectSettings = false)
-        facet.configureFacet(languageVersion, LanguageFeature.State.DISABLED, null, modelsProvider, false)
+        facet.configureFacet(languageVersion, LanguageFeature.State.DISABLED, null, modelsProvider, false, emptyList())
         if (apiVersion != null) {
             facet.configuration.settings.apiLevel = LanguageVersion.fromVersionString(apiVersion)
         }

idea/src/org/jetbrains/kotlin/idea/facet/facetUtils.kt

@@ -149,7 +149,8 @@ fun KotlinFacet.configureFacet(
     coroutineSupport: LanguageFeature.State,
     platform: TargetPlatform?, // if null, detect by module dependencies
     modelsProvider: IdeModifiableModelsProvider,
-    hmppEnabled: Boolean
+    hmppEnabled: Boolean,
+    pureKotlinSourceFolders: List<String>
 ) {
     val module = module
     with(configuration.settings) {
@@ -169,6 +170,7 @@ fun KotlinFacet.configureFacet(
             this.apiLevel = languageLevel
         }
         this.coroutineSupport = if (languageLevel != null && languageLevel < LanguageVersion.KOTLIN_1_3) coroutineSupport else null
+        this.pureKotlinSourceFolders = pureKotlinSourceFolders
     }
 
     module.externalCompilerVersion = compilerVersion
@@ -185,7 +187,7 @@ fun KotlinFacet.configureFacet(
     platform: IdePlatform<*, *>,
     modelsProvider: IdeModifiableModelsProvider
 ) {
-    configureFacet(compilerVersion, coroutineSupport, platform.toNewPlatform(), modelsProvider, false) //TODO(auskov): passed isHmpp = false
+    configureFacet(compilerVersion, coroutineSupport, platform.toNewPlatform(), modelsProvider, false, emptyList()) //TODO(auskov): passed isHmpp = false
 }
 
 

idea/tests/org/jetbrains/kotlin/asJava/KtLightAnnotationTest.kt

@@ -762,7 +762,7 @@ class KtLightAnnotationTest : KotlinLightCodeInsightFixtureTestCase() {
         WriteAction.run<Throwable> {
             val modelsProvider = IdeModifiableModelsProviderImpl(project)
             val facet = module.getOrCreateFacet(modelsProvider, useProjectSettings = false)
-            facet.configureFacet(version, LanguageFeature.State.DISABLED, null, modelsProvider, false)
+            facet.configureFacet(version, LanguageFeature.State.DISABLED, null, modelsProvider, false, emptyList())
             modelsProvider.commit()
         }
     }

idea/tests/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinTest.java

@@ -351,7 +351,8 @@ public class ConfigureKotlinTest extends AbstractConfigureKotlinTest {
                     LanguageFeature.State.ENABLED,
                     platform,
                     modelsProvider,
-                    false
+                    false,
+                    emptyList()
             );
             assertEquals(platform, facet.getConfiguration().getSettings().getTargetPlatform());
             assertEquals(jvmTarget.getDescription(),