Add import tracker

This tracker reports import directives to IJ's JPS to track changes and detectwehen it is needed to adjust compilation scope.

#KT-44835 Fixed

build-common/src/org/jetbrains/kotlin/incremental/ImportTrackerImpl.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.incremental
+
+import org.jetbrains.kotlin.incremental.components.ImportTracker
+import java.util.concurrent.ConcurrentHashMap
+
+@Suppress("unused")
+class ImportTrackerImpl: ImportTracker {
+    private val filePathToImportedFqNames = ConcurrentHashMap<String, MutableSet<String>>()
+
+    val filePathToImportedFqNamesMap: Map<String, Collection<String>>
+        get() = filePathToImportedFqNames
+
+    override fun report(filePath: String, importedFqName: String) {
+        filePathToImportedFqNames.getOrPut(filePath) { hashSetOf() }.add(importedFqName)
+    }
+}

compiler/cli/src/org/jetbrains/kotlin/cli/common/FirSessionConstructionUtils.kt

@@ -100,6 +100,7 @@ fun <F> prepareJvmSessions(
             configuration.languageVersionSettings,
             configuration.get(CommonConfigurationKeys.LOOKUP_TRACKER),
             configuration.get(CommonConfigurationKeys.ENUM_WHEN_TRACKER),
+            configuration.get(CommonConfigurationKeys.IMPORT_TRACKER),
             needRegisterJavaElementFinder = true,
             registerExtraComponents = {},
             sessionConfigurator,
@@ -293,6 +294,7 @@ fun <F> prepareCommonSessions(
             configuration.languageVersionSettings,
             lookupTracker = configuration.get(CommonConfigurationKeys.LOOKUP_TRACKER),
             enumWhenTracker = configuration.get(CommonConfigurationKeys.ENUM_WHEN_TRACKER),
+            importTracker = configuration.get(CommonConfigurationKeys.IMPORT_TRACKER),
             registerExtraComponents = {},
             init = sessionConfigurator
         )

compiler/cli/src/org/jetbrains/kotlin/cli/jvm/K2JVMCompiler.kt

@@ -38,10 +38,7 @@ import org.jetbrains.kotlin.cli.jvm.config.ClassicFrontendSpecificJvmConfigurati
 import org.jetbrains.kotlin.cli.jvm.config.configureJdkClasspathRoots
 import org.jetbrains.kotlin.codegen.CompilationException
 import org.jetbrains.kotlin.config.*
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.load.java.JavaClassesTracker
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents
 import org.jetbrains.kotlin.metadata.deserialization.BinaryVersion
@@ -225,6 +222,8 @@ class K2JVMCompiler : CLICompiler<K2JVMCompilerArguments>() {
 
                 putIfNotNull(CommonConfigurationKeys.ENUM_WHEN_TRACKER, services[EnumWhenTracker::class.java])
 
+                putIfNotNull(CommonConfigurationKeys.IMPORT_TRACKER, services[ImportTracker::class.java])
+
                 putIfNotNull(
                     JVMConfigurationKeys.INCREMENTAL_COMPILATION_COMPONENTS,
                     services[IncrementalCompilationComponents::class.java]

compiler/config/src/org/jetbrains/kotlin/config/CommonConfigurationKeys.kt

@@ -17,10 +17,7 @@
 package org.jetbrains.kotlin.config
 
 import org.jetbrains.kotlin.constant.EvaluatedConstTracker
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.metadata.deserialization.BinaryVersion
 
 object CommonConfigurationKeys {
@@ -48,6 +45,9 @@ object CommonConfigurationKeys {
     @JvmField
     val ENUM_WHEN_TRACKER = CompilerConfigurationKey.create<EnumWhenTracker>("enum when tracker")
 
+    @JvmField
+    val IMPORT_TRACKER = CompilerConfigurationKey.create<ImportTracker>("import tracker")
+
     @JvmField
     val METADATA_VERSION = CompilerConfigurationKey.create<BinaryVersion>("metadata version")
 

compiler/daemon/daemon-client/src/org/jetbrains/kotlin/daemon/client/CompilerCallbackServicesFacadeServer.kt

@@ -36,6 +36,7 @@ open class CompilerCallbackServicesFacadeServer(
     val expectActualTracker: ExpectActualTracker? = null,
     val inlineConstTracker: InlineConstTracker? = null,
     val enumWhenTracker: EnumWhenTracker? = null,
+    val importTracker: ImportTracker? = null,
     val incrementalResultsConsumer: IncrementalResultsConsumer? = null,
     val incrementalDataProvider: IncrementalDataProvider? = null,
     port: Int = SOCKET_ANY_FREE_PORT
@@ -57,6 +58,8 @@ open class CompilerCallbackServicesFacadeServer(
 
     override fun hasEnumWhenTracker(): Boolean = enumWhenTracker != null
 
+    override fun hasImportTracker(): Boolean = importTracker != null
+
     override fun hasIncrementalResultsConsumer(): Boolean = incrementalResultsConsumer != null
 
     override fun hasIncrementalDataProvider(): Boolean = incrementalDataProvider != null
@@ -128,6 +131,10 @@ open class CompilerCallbackServicesFacadeServer(
         enumWhenTracker?.report(whenUsageClassPath, enumClassFqName) ?: throw NullPointerException("enumWhenTracker was not initialized")
     }
 
+    override fun importTracker_report(filePath: String, importedFqName: String) {
+        importTracker?.report(filePath, importedFqName) ?: throw NullPointerException("importTracker was not initialized")
+    }
+
     override fun incrementalResultsConsumer_processHeader(headerMetadata: ByteArray) {
         incrementalResultsConsumer!!.processHeader(headerMetadata)
     }

compiler/daemon/daemon-common/src/org/jetbrains/kotlin/daemon/common/CompilerCallbackServicesFacade.kt

@@ -54,6 +54,9 @@ interface CompilerCallbackServicesFacade : Remote {
     @Throws(RemoteException::class)
     fun hasEnumWhenTracker(): Boolean
 
+    @Throws(RemoteException::class)
+    fun hasImportTracker(): Boolean
+
     @Throws(RemoteException::class)
     fun hasIncrementalResultsConsumer(): Boolean
 
@@ -117,6 +120,11 @@ interface CompilerCallbackServicesFacade : Remote {
     @Throws(RemoteException::class)
     fun enumWhenTracker_report(whenUsageClassPath: String, enumClassFqName: String)
 
+    // ---------------------------------------------------
+    // ImportTracker
+    @Throws(RemoteException::class)
+    fun importTracker_report(filePath: String, importedFqName: String)
+
     // ---------------------------------------------------
     // IncrementalResultsConsumer (js)
     @Throws(RemoteException::class)

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/ComponentsContainers.kt

@@ -53,6 +53,7 @@ import org.jetbrains.kotlin.fir.serialization.FirProvidedDeclarationsForMetadata
 import org.jetbrains.kotlin.fir.symbols.FirLazyDeclarationResolver
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
+import org.jetbrains.kotlin.incremental.components.ImportTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.resolve.jvm.JvmTypeSpecificityComparator
 import org.jetbrains.kotlin.resolve.jvm.modules.JavaModuleResolver
@@ -123,7 +124,7 @@ fun FirSession.registerCommonJavaComponents(javaModuleResolver: JavaModuleResolv
  * Resolve components which are same on all platforms
  */
 @OptIn(SessionConfiguration::class)
-fun FirSession.registerResolveComponents(lookupTracker: LookupTracker? = null, enumWhenTracker: EnumWhenTracker? = null) {
+fun FirSession.registerResolveComponents(lookupTracker: LookupTracker? = null, enumWhenTracker: EnumWhenTracker? = null, importTracker: ImportTracker? = null) {
     register(FirQualifierResolver::class, FirQualifierResolverImpl(this))
     register(FirTypeResolver::class, FirTypeResolverImpl(this))
     register(CheckersComponent::class, CheckersComponent())
@@ -145,6 +146,12 @@ fun FirSession.registerResolveComponents(lookupTracker: LookupTracker? = null, e
             IncrementalPassThroughEnumWhenTrackerComponent(enumWhenTracker)
         )
     }
+    if (importTracker != null) {
+        register(
+            FirImportTrackerComponent::class,
+            IncrementalPassThroughImportTrackerComponent(importTracker)
+        )
+    }
     register(FirExpectActualMatchingContextFactory::class, FirExpectActualMatchingContextImpl.Factory)
 }
 

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirAbstractSessionFactory.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.fir.resolve.providers.impl.FirProviderImpl
 import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
+import org.jetbrains.kotlin.incremental.components.ImportTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.name.Name
 
@@ -83,6 +84,7 @@ abstract class FirAbstractSessionFactory {
         languageVersionSettings: LanguageVersionSettings,
         lookupTracker: LookupTracker?,
         enumWhenTracker: EnumWhenTracker?,
+        importTracker: ImportTracker?,
         init: FirSessionConfigurator.() -> Unit,
         registerExtraComponents: ((FirSession) -> Unit),
         registerExtraCheckers: ((FirSessionConfigurator) -> Unit)?,
@@ -99,7 +101,7 @@ abstract class FirAbstractSessionFactory {
             registerModuleData(moduleData)
             registerCliCompilerOnlyComponents()
             registerCommonComponents(languageVersionSettings)
-            registerResolveComponents(lookupTracker, enumWhenTracker)
+            registerResolveComponents(lookupTracker, enumWhenTracker, importTracker)
             registerExtraComponents(this)
 
             val kotlinScopeProvider = createKotlinScopeProvider.invoke()

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirCommonSessionFactory.kt

@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.fir.scopes.FirPlatformClassMapper
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectEnvironment
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectFileSearchScope
 import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
+import org.jetbrains.kotlin.incremental.components.ImportTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.library.metadata.resolver.KotlinResolvedLibrary
 import org.jetbrains.kotlin.load.kotlin.PackageAndMetadataPartProvider
@@ -91,6 +92,7 @@ object FirCommonSessionFactory : FirAbstractSessionFactory() {
         languageVersionSettings: LanguageVersionSettings = LanguageVersionSettingsImpl.DEFAULT,
         lookupTracker: LookupTracker? = null,
         enumWhenTracker: EnumWhenTracker? = null,
+        importTracker: ImportTracker? = null,
         registerExtraComponents: ((FirSession) -> Unit) = {},
         init: FirSessionConfigurator.() -> Unit = {}
     ): FirSession {
@@ -101,6 +103,7 @@ object FirCommonSessionFactory : FirAbstractSessionFactory() {
             languageVersionSettings,
             lookupTracker,
             enumWhenTracker,
+            importTracker,
             init,
             registerExtraComponents = {
                 it.register(FirVisibilityChecker::class, FirVisibilityChecker.Default)

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirJsSessionFactory.kt

@@ -52,6 +52,7 @@ object FirJsSessionFactory : FirAbstractSessionFactory() {
             compilerConfiguration.languageVersionSettings,
             lookupTracker,
             null,
+            null,
             init,
             registerExtraComponents = { session ->
                 session.registerJsSpecificComponents(compilerConfiguration)

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirJvmSessionFactory.kt

@@ -27,6 +27,7 @@ import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectEnvironment
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectFileSearchScope
 import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
+import org.jetbrains.kotlin.incremental.components.ImportTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.load.kotlin.PackagePartProvider
 import org.jetbrains.kotlin.name.Name
@@ -89,6 +90,7 @@ object FirJvmSessionFactory : FirAbstractSessionFactory() {
         languageVersionSettings: LanguageVersionSettings = LanguageVersionSettingsImpl.DEFAULT,
         lookupTracker: LookupTracker? = null,
         enumWhenTracker: EnumWhenTracker? = null,
+        importTracker: ImportTracker? = null,
         needRegisterJavaElementFinder: Boolean,
         registerExtraComponents: ((FirSession) -> Unit) = {},
         init: FirSessionConfigurator.() -> Unit = {}
@@ -100,6 +102,7 @@ object FirJvmSessionFactory : FirAbstractSessionFactory() {
             languageVersionSettings,
             lookupTracker,
             enumWhenTracker,
+            importTracker,
             init,
             registerExtraComponents = {
                 it.registerCommonJavaComponents(projectEnvironment.getJavaModuleResolver())

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirNativeSessionFactory.kt

@@ -75,6 +75,7 @@ object FirNativeSessionFactory : FirAbstractSessionFactory() {
             languageVersionSettings,
             null,
             null,
+            null,
             init,
             registerExtraComponents = {
                 it.register(FirVisibilityChecker::class, FirVisibilityChecker.Default)

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirSessionFactoryHelper.kt

@@ -14,6 +14,7 @@ import org.jetbrains.kotlin.fir.java.FirProjectSessionProvider
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectEnvironment
 import org.jetbrains.kotlin.fir.session.environment.AbstractProjectFileSearchScope
 import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
+import org.jetbrains.kotlin.incremental.components.ImportTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.platform.TargetPlatform
@@ -33,6 +34,7 @@ object FirSessionFactoryHelper {
         librariesScope: AbstractProjectFileSearchScope,
         lookupTracker: LookupTracker?,
         enumWhenTracker: EnumWhenTracker?,
+        importTracker: ImportTracker?,
         incrementalCompilationContext: IncrementalCompilationContext?,
         extensionRegistrars: List<FirExtensionRegistrar>,
         needRegisterJavaElementFinder: Boolean,
@@ -73,6 +75,7 @@ object FirSessionFactoryHelper {
             languageVersionSettings,
             lookupTracker,
             enumWhenTracker,
+            importTracker,
             needRegisterJavaElementFinder,
             registerExtraComponents = {},
             sessionConfigurator,

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/FirWasmSessionFactory.kt

@@ -44,6 +44,7 @@ object FirWasmSessionFactory : FirAbstractSessionFactory() {
             languageVersionSettings,
             lookupTracker,
             null,
+            null,
             init,
             registerExtraComponents = { session ->
                 session.registerWasmSpecificComponents()

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/IncrementalPassThroughImportTrackerComponent.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.session
+
+import org.jetbrains.kotlin.fir.FirImportTrackerComponent
+import org.jetbrains.kotlin.incremental.components.ImportTracker
+
+
+class IncrementalPassThroughImportTrackerComponent(private val importTracker: ImportTracker) : FirImportTrackerComponent() {
+    override fun report(filePath: String, importedFqName: String) {
+        importTracker.report(filePath, importedFqName)
+    }
+}

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/ImportingScopes.kt

@@ -8,7 +8,9 @@ package org.jetbrains.kotlin.fir.scopes
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
+import org.jetbrains.kotlin.fir.importTracker
 import org.jetbrains.kotlin.fir.packageFqName
+import org.jetbrains.kotlin.fir.reportImportDirectives
 import org.jetbrains.kotlin.fir.resolve.ScopeSession
 import org.jetbrains.kotlin.fir.resolve.scopeSessionKey
 import org.jetbrains.kotlin.fir.scopes.impl.*
@@ -18,13 +20,14 @@ import org.jetbrains.kotlin.name.FqName
 private val ALL_IMPORTS = scopeSessionKey<FirFile, ListStorageFirScope>()
 private val DEFAULT_STAR_IMPORT = scopeSessionKey<DefaultStarImportKey, FirSingleLevelDefaultStarImportingScope>()
 private val DEFAULT_SIMPLE_IMPORT = scopeSessionKey<DefaultImportPriority, FirDefaultSimpleImportingScope>()
+
 private data class DefaultStarImportKey(val priority: DefaultImportPriority, val excludedImportNames: Set<FqName>)
 
 fun createImportingScopes(
     file: FirFile,
     session: FirSession,
     scopeSession: ScopeSession,
-    useCaching: Boolean = true
+    useCaching: Boolean = true,
 ): List<FirScope> = if (useCaching) {
     scopeSession.getOrBuild(file, ALL_IMPORTS) {
         ListStorageFirScope(computeImportingScopes(file, session, scopeSession))
@@ -49,6 +52,12 @@ internal fun computeImportingScopes(
             if (it.parent() == file.packageFqName) it.shortName() else null
         }
 
+    session.importTracker?.let { tracker ->
+        file.imports.map { import ->
+            tracker.reportImportDirectives(file.sourceFile?.path, import.importedFqName?.asString())
+        }
+    }
+
     return buildList {
         if (includeDefaultImports) {
             this += FirDefaultStarImportingScope(

compiler/fir/semantics/src/org/jetbrains/kotlin/fir/FirImportTrackerComponent.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir
+
+abstract class FirImportTrackerComponent : FirSessionComponent {
+    abstract fun report(filePath: String, importedFqName: String)
+}
+
+val FirSession.importTracker: FirImportTrackerComponent? by FirSession.nullableSessionComponentAccessor()
+
+fun FirImportTrackerComponent.reportImportDirectives(filePath: String?, importedFqName: String?) {
+    if (filePath == null || importedFqName == null) return
+    this.report(filePath, importedFqName)
+}

compiler/tests-common/tests/org/jetbrains/kotlin/fir/AbstractFirBaseDiagnosticsTest.kt

@@ -99,6 +99,7 @@ abstract class AbstractFirBaseDiagnosticsTest : BaseDiagnosticsTest() {
                 librariesScope = PsiBasedProjectFileSearchScope(allProjectScope),
                 lookupTracker = null,
                 enumWhenTracker = null,
+                importTracker = null,
                 incrementalCompilationContext = null,
                 extensionRegistrars = emptyList(),
                 needRegisterJavaElementFinder = true

compiler/tests-compiler-utils/tests/org/jetbrains/kotlin/fir/FirTestSessionFactoryHelper.kt

@@ -43,6 +43,7 @@ object FirTestSessionFactoryHelper {
         librariesScope,
         lookupTracker = null,
         enumWhenTracker = null,
+        importTracker = null,
         incrementalCompilationContext = null,
         extensionRegistrars = emptyList(),
         needRegisterJavaElementFinder = true,
@@ -75,6 +76,7 @@ object FirTestSessionFactoryHelper {
             PsiBasedProjectFileSearchScope(librariesScope),
             lookupTracker = null,
             enumWhenTracker = null,
+            importTracker = null,
             incrementalCompilationContext = null,
             extensionRegistrars = emptyList(),
             needRegisterJavaElementFinder = true,

core/compiler.common/src/org/jetbrains/kotlin/incremental/components/ImportTracker.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.incremental.components
+
+import org.jetbrains.kotlin.container.DefaultImplementation
+
+/**
+ * ImportTracker is used to track imports directives used in Kotlin for correct build scope expansion in IC during JPS build.
+ * e.g. Removing of Java file, that Kotlin relies on by importing
+ */
+@DefaultImplementation(ImportTracker.DoNothing::class)
+interface ImportTracker {
+
+    /**
+     * Report import directives, where FqName is [importedFqName].
+     * Format of [importedFqName] class is "package.Outer.Inner"
+     */
+    fun report(filePath: String, importedFqName: String)
+
+    object DoNothing : ImportTracker {
+        override fun report(filePath: String, importedFqName: String) {}
+    }
+}

jps/jps-plugin/src/org/jetbrains/kotlin/compilerRunner/JpsCompilerServicesFacadeImpl.kt

@@ -20,10 +20,7 @@ import org.jetbrains.kotlin.daemon.client.CompilerCallbackServicesFacadeServer
 import org.jetbrains.kotlin.daemon.client.reportFromDaemon
 import org.jetbrains.kotlin.daemon.common.JpsCompilerServicesFacade
 import org.jetbrains.kotlin.daemon.common.SOCKET_ANY_FREE_PORT
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.incremental.js.IncrementalDataProvider
 import org.jetbrains.kotlin.incremental.js.IncrementalResultsConsumer
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents
@@ -40,6 +37,7 @@ internal class JpsCompilerServicesFacadeImpl(
     env.services[ExpectActualTracker::class.java],
     env.services[InlineConstTracker::class.java],
     env.services[EnumWhenTracker::class.java],
+    env.services[ImportTracker::class.java],
     env.services[IncrementalResultsConsumer::class.java],
     env.services[IncrementalDataProvider::class.java],
     port

jps/jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinBuilder.kt

@@ -35,10 +35,7 @@ import org.jetbrains.kotlin.config.KotlinModuleKind
 import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.daemon.common.isDaemonEnabled
 import org.jetbrains.kotlin.incremental.*
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.jps.KotlinJpsBundle
 import org.jetbrains.kotlin.jps.incremental.JpsIncrementalCache
 import org.jetbrains.kotlin.jps.incremental.JpsLookupStorageManager
@@ -245,6 +242,7 @@ class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR) {
             ExpectActualTracker.DoNothing,
             InlineConstTracker.DoNothing,
             EnumWhenTracker.DoNothing,
+            ImportTracker.DoNothing,
             chunk,
             messageCollector
         ) ?: return
@@ -420,18 +418,21 @@ class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR) {
 
         val project = projectDescriptor.project
         val lookupTracker = getLookupTracker(project, representativeTarget)
-        val exceptActualTracer = ExpectActualTrackerImpl()
+        val exceptActualTracker = ExpectActualTrackerImpl()
         val incrementalCaches = kotlinChunk.loadCaches()
         val inlineConstTracker = InlineConstTrackerImpl()
         val enumWhenTracker = EnumWhenTrackerImpl()
+        val importTracker = ImportTrackerImpl()
+
         val environment = createCompileEnvironment(
             context,
             representativeTarget,
             incrementalCaches,
             lookupTracker,
-            exceptActualTracer,
+            exceptActualTracker,
             inlineConstTracker,
             enumWhenTracker,
+            importTracker,
             chunk,
             messageCollector
         ) ?: return ABORT
@@ -625,6 +626,7 @@ class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR) {
         exceptActualTracer: ExpectActualTracker,
         inlineConstTracker: InlineConstTracker,
         enumWhenTracker: EnumWhenTracker,
+        importTracker: ImportTracker,
         chunk: ModuleChunk,
         messageCollector: MessageCollectorAdapter
     ): JpsCompilerEnvironment? {
@@ -635,7 +637,8 @@ class KotlinBuilder : ModuleLevelBuilder(BuilderCategory.SOURCE_PROCESSOR) {
                 lookupTracker,
                 exceptActualTracer,
                 inlineConstTracker,
-                enumWhenTracker
+                enumWhenTracker,
+                importTracker
             )
             build()
         }

jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJsModuleBuildTarget.kt

@@ -20,10 +20,7 @@ import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.incremental.ChangesCollector
 import org.jetbrains.kotlin.incremental.IncrementalJsCache
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.incremental.js.IncrementalDataProvider
 import org.jetbrains.kotlin.incremental.js.IncrementalDataProviderFromCache
 import org.jetbrains.kotlin.incremental.js.IncrementalResultsConsumer
@@ -72,9 +69,10 @@ class KotlinJsModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleBu
         lookupTracker: LookupTracker,
         exceptActualTracer: ExpectActualTracker,
         inlineConstTracker: InlineConstTracker,
-        enumWhenTracker: EnumWhenTracker
+        enumWhenTracker: EnumWhenTracker,
+        importTracker: ImportTracker
     ) {
-        super.makeServices(builder, incrementalCaches, lookupTracker, exceptActualTracer, inlineConstTracker, enumWhenTracker)
+        super.makeServices(builder, incrementalCaches, lookupTracker, exceptActualTracer, inlineConstTracker, enumWhenTracker, importTracker)
 
         with(builder) {
             register(IncrementalResultsConsumer::class.java, IncrementalResultsConsumerImpl())

jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinJvmModuleBuildTarget.kt

@@ -11,6 +11,7 @@ import com.intellij.util.io.URLUtil
 import org.jetbrains.jps.ModuleChunk
 import org.jetbrains.jps.builders.java.JavaBuilderUtil
 import org.jetbrains.jps.builders.java.dependencyView.Callbacks
+import org.jetbrains.jps.builders.java.dependencyView.Callbacks.Backend
 import org.jetbrains.jps.builders.storage.BuildDataPaths
 import org.jetbrains.jps.incremental.*
 import org.jetbrains.jps.model.java.JpsJavaExtensionService
@@ -27,10 +28,7 @@ import org.jetbrains.kotlin.compilerRunner.JpsKotlinCompilerRunner
 import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.incremental.*
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.jps.build.KotlinBuilder
 import org.jetbrains.kotlin.jps.build.KotlinCompileContext
 import org.jetbrains.kotlin.jps.build.KotlinDirtySourceFilesHolder
@@ -81,9 +79,10 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
         lookupTracker: LookupTracker,
         exceptActualTracer: ExpectActualTracker,
         inlineConstTracker: InlineConstTracker,
-        enumWhenTracker: EnumWhenTracker
+        enumWhenTracker: EnumWhenTracker,
+        importTracker: ImportTracker
     ) {
-        super.makeServices(builder, incrementalCaches, lookupTracker, exceptActualTracer, inlineConstTracker, enumWhenTracker)
+        super.makeServices(builder, incrementalCaches, lookupTracker, exceptActualTracer, inlineConstTracker, enumWhenTracker, importTracker)
 
         with(builder) {
             register(
@@ -365,6 +364,7 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
         val callback = JavaBuilderUtil.getDependenciesRegistrar(localContext)
         val inlineConstTracker = environment.services[InlineConstTracker::class.java] as InlineConstTrackerImpl
         val enumWhenTracker = environment.services[EnumWhenTracker::class.java] as EnumWhenTrackerImpl
+        val importTracker = environment.services[ImportTracker::class.java] as ImportTrackerImpl
 
         val targetDirtyFiles: Map<ModuleBuildTarget, Set<File>> = chunk.targets.keysToMap {
             val files = HashSet<File>()
@@ -393,10 +393,10 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
                 sourceFiles.removeAll(targetDirtyFiles[target] ?: emptySet())
                 sourceFiles.addAll(output.sourceFiles)
 
-                // process inlineConstTracker
+                // process trackers
                 for (sourceFile: File in sourceFiles) {
                     processInlineConstTracker(inlineConstTracker, sourceFile, output, callback)
-                    processEnumWhenTracker(enumWhenTracker, sourceFile, output, callback)
+                    processBothEnumWhenAndImportTrackers(enumWhenTracker, importTracker, sourceFile, output, callback)
                 }
 
                 callback.associate(
@@ -412,7 +412,7 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
         JavaBuilderUtil.registerSuccessfullyCompiled(localContext, allCompiled)
     }
 
-    private fun processInlineConstTracker(inlineConstTracker: InlineConstTrackerImpl, sourceFile: File, output: GeneratedJvmClass, callback: Callbacks.Backend) {
+    private fun processInlineConstTracker(inlineConstTracker: InlineConstTrackerImpl, sourceFile: File, output: GeneratedJvmClass, callback: Backend) {
         val cRefs = inlineConstTracker.inlineConstMap[sourceFile.path]?.mapNotNull { cRef: ConstantRef ->
             val descriptor = when (cRef.constType) {
                 "Byte" -> "B"
@@ -433,8 +433,11 @@ class KotlinJvmModuleBuildTarget(kotlinContext: KotlinCompileContext, jpsModuleB
         callback.registerConstantReferences(className, cRefs)
     }
 
-    private fun processEnumWhenTracker(enumWhenTracker: EnumWhenTrackerImpl, sourceFile: File, output: GeneratedJvmClass, callback: Callbacks.Backend) {
-        val enumFqNameClasses = enumWhenTracker.whenExpressionFilePathToEnumClassMap[sourceFile.path]?.map { "$it.*" } ?: return
-        callback.registerImports(output.outputClass.className.internalName, listOf(), enumFqNameClasses)
+    private fun processBothEnumWhenAndImportTrackers(enumWhenTracker: EnumWhenTrackerImpl, importTracker: ImportTrackerImpl, sourceFile: File, output: GeneratedJvmClass, callback: Backend) {
+        val enumFqNameClasses = enumWhenTracker.whenExpressionFilePathToEnumClassMap[sourceFile.path]?.map { "$it.*" }
+        val importedFqNames = importTracker.filePathToImportedFqNamesMap[sourceFile.path]
+        if (enumFqNameClasses == null && importedFqNames == null) return
+
+        callback.registerImports(output.outputClass.className.internalName, importedFqNames ?: listOf(), enumFqNameClasses ?: listOf())
     }
 }

jps/jps-plugin/src/org/jetbrains/kotlin/jps/targets/KotlinModuleBuildTarget.kt

@@ -22,10 +22,7 @@ import org.jetbrains.kotlin.compilerRunner.JpsCompilerEnvironment
 import org.jetbrains.kotlin.config.*
 import org.jetbrains.kotlin.incremental.ChangesCollector
 import org.jetbrains.kotlin.incremental.ExpectActualTrackerImpl
-import org.jetbrains.kotlin.incremental.components.EnumWhenTracker
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.InlineConstTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.*
 import org.jetbrains.kotlin.jps.KotlinJpsBundle
 import org.jetbrains.kotlin.jps.build.*
 import org.jetbrains.kotlin.jps.incremental.CacheAttributesDiff
@@ -272,7 +269,8 @@ abstract class KotlinModuleBuildTarget<BuildMetaInfoType : BuildMetaInfo> intern
         lookupTracker: LookupTracker,
         exceptActualTracer: ExpectActualTracker,
         inlineConstTracker: InlineConstTracker,
-        enumWhenTracker: EnumWhenTracker
+        enumWhenTracker: EnumWhenTracker,
+        importTracker: ImportTracker
     ) {
         with(builder) {
             register(LookupTracker::class.java, lookupTracker)
@@ -284,6 +282,7 @@ abstract class KotlinModuleBuildTarget<BuildMetaInfoType : BuildMetaInfo> intern
             })
             register(InlineConstTracker::class.java, inlineConstTracker)
             register(EnumWhenTracker::class.java, enumWhenTracker)
+            register(ImportTracker::class.java, importTracker)
         }
     }