Minor: extract most of JPS (old IC) specific part from IncrementalCacheImpl

Original commit: 5889ba4293
2016-01-18 18:49:33 +03:00
parent 91b1f50150
commit e28f1888e8
3 changed files with 250 additions and 194 deletions
@@ -695,7 +695,7 @@ private fun processChanges(
        compiledFiles: Set<File>,
        allCompiledFiles: MutableSet<File>,
        dataManager: BuildDataManager,
-        caches: Collection<IncrementalCacheImpl>,
+        caches: Collection<JpsIncrementalCacheImpl>,
        compilationResult: CompilationResult,
        fsOperations: FSOperationsHelper
 ) {
@@ -710,7 +710,7 @@ private fun processChanges(
 private fun CompilationResult.doProcessChanges(
        compiledFiles: Set<File>,
        allCompiledFiles: MutableSet<File>,
-        caches: Collection<IncrementalCacheImpl>,
+        caches: Collection<JpsIncrementalCacheImpl>,
        fsOperations: FSOperationsHelper
 ) {
    KotlinBuilder.LOG.debug("compilationResult = $this")
@@ -826,7 +826,7 @@ private fun getLookupTracker(project: JpsProject): LookupTracker {
    return lookupTracker
 }

-private fun getIncrementalCaches(chunk: ModuleChunk, context: CompileContext): Map<ModuleBuildTarget, IncrementalCacheImpl> {
+private fun getIncrementalCaches(chunk: ModuleChunk, context: CompileContext): Map<ModuleBuildTarget, JpsIncrementalCacheImpl> {
    val dependentTargets = getDependentTargets(chunk, context)

    val dataManager = context.projectDescriptor.dataManager
@@ -17,20 +17,15 @@
 package org.jetbrains.kotlin.jps.incremental

 import com.google.protobuf.MessageLite
-import com.intellij.openapi.util.io.FileUtil
 import com.intellij.openapi.util.io.FileUtil.toSystemIndependentName
 import com.intellij.util.SmartList
 import com.intellij.util.io.BooleanDataDescriptor
 import com.intellij.util.io.EnumeratorStringDescriptor
-import gnu.trove.THashSet
 import org.jetbrains.annotations.TestOnly
 import org.jetbrains.jps.builders.storage.BuildDataPaths
-import org.jetbrains.jps.builders.storage.StorageProvider
 import org.jetbrains.jps.incremental.ModuleBuildTarget
-import org.jetbrains.jps.incremental.storage.BuildDataManager
 import org.jetbrains.jps.incremental.storage.PathStringDescriptor
 import org.jetbrains.kotlin.config.IncrementalCompilation
-import org.jetbrains.kotlin.inline.inlineFunctionsJvmNames
 import org.jetbrains.kotlin.jps.build.GeneratedJvmClass
 import org.jetbrains.kotlin.jps.build.KotlinBuilder
 import org.jetbrains.kotlin.jps.incremental.storage.*
@@ -49,30 +44,30 @@ import org.jetbrains.kotlin.serialization.deserialization.TypeTable
 import org.jetbrains.kotlin.serialization.deserialization.supertypes
 import org.jetbrains.kotlin.serialization.jvm.BitEncoding
 import org.jetbrains.kotlin.serialization.jvm.JvmProtoBufUtil
-import org.jetbrains.org.objectweb.asm.*
+import org.jetbrains.org.objectweb.asm.ClassReader
+import org.jetbrains.org.objectweb.asm.ClassVisitor
+import org.jetbrains.org.objectweb.asm.FieldVisitor
+import org.jetbrains.org.objectweb.asm.Opcodes
 import java.io.File
 import java.security.MessageDigest
 import java.util.*

 val KOTLIN_CACHE_DIRECTORY_NAME = "kotlin"

-class IncrementalCacheImpl(
+open class IncrementalCacheImpl(
        private val target: ModuleBuildTarget,
        paths: BuildDataPaths
 ) : BasicMapsOwner(), IncrementalCache {
    companion object {
-        val PROTO_MAP = "proto"
-        val CONSTANTS_MAP = "constants"
-        val INLINE_FUNCTIONS = "inline-functions"
-        val PACKAGE_PARTS = "package-parts"
-        val MULTIFILE_CLASS_FACADES = "multifile-class-facades"
-        val MULTIFILE_CLASS_PARTS = "multifile-class-parts"
-        val SOURCE_TO_CLASSES = "source-to-classes"
-        val DIRTY_OUTPUT_CLASSES = "dirty-output-classes"
-        val DIRTY_INLINE_FUNCTIONS = "dirty-inline-functions"
-        val INLINED_TO = "inlined-to"
-        val SUBTYPES = "subtypes"
-        val SUPERTYPES = "supertypes"
+        private val PROTO_MAP = "proto"
+        private val CONSTANTS_MAP = "constants"
+        private val PACKAGE_PARTS = "package-parts"
+        private val MULTIFILE_CLASS_FACADES = "multifile-class-facades"
+        private val MULTIFILE_CLASS_PARTS = "multifile-class-parts"
+        private val SOURCE_TO_CLASSES = "source-to-classes"
+        private val DIRTY_OUTPUT_CLASSES = "dirty-output-classes"
+        private val SUBTYPES = "subtypes"
+        private val SUPERTYPES = "supertypes"

        private val MODULE_MAPPING_FILE_NAME = "." + ModuleMapping.MAPPING_FILE_EXT
    }
@@ -86,35 +81,29 @@ class IncrementalCacheImpl(
        return registerMap(map)
    }

-    private val String.storageFile: File
+    protected val String.storageFile: File
        get() = File(baseDir, this + "." + CACHE_EXTENSION)

    private val protoMap = registerMap(ProtoMap(PROTO_MAP.storageFile))
    private val constantsMap = registerMap(ConstantsMap(CONSTANTS_MAP.storageFile))
-    private val inlineFunctionsMap = registerMap(InlineFunctionsMap(INLINE_FUNCTIONS.storageFile))
    private val packagePartMap = registerMap(PackagePartMap(PACKAGE_PARTS.storageFile))
    private val multifileClassFacadeMap = registerMap(MultifileClassFacadeMap(MULTIFILE_CLASS_FACADES.storageFile))
    private val multifileClassPartMap = registerMap(MultifileClassPartMap(MULTIFILE_CLASS_PARTS.storageFile))
    private val sourceToClassesMap = registerMap(SourceToClassesMap(SOURCE_TO_CLASSES.storageFile))
    private val dirtyOutputClassesMap = registerMap(DirtyOutputClassesMap(DIRTY_OUTPUT_CLASSES.storageFile))
-    private val dirtyInlineFunctionsMap = registerMap(DirtyInlineFunctionsMap(DIRTY_INLINE_FUNCTIONS.storageFile))
-    private val inlinedTo = registerMap(InlineFunctionsFilesMap(INLINED_TO.storageFile))
    private val subtypesMap = registerExperimentalMap(SubtypesMap(SUBTYPES.storageFile))
    private val supertypesMap = registerExperimentalMap(SupertypesMap(SUPERTYPES.storageFile))

    private val dependents = arrayListOf<IncrementalCacheImpl>()
    private val outputDir by lazy(LazyThreadSafetyMode.NONE) { requireNotNull(target.outputDir) { "Target is expected to have output directory: $target" } }

-    private val dependentsWithThis: Sequence<IncrementalCacheImpl>
-            get() = sequenceOf(this).plus(dependents.asSequence())
+    protected val dependentsWithThis: Sequence<IncrementalCacheImpl>
+        get() = sequenceOf(this).plus(dependents.asSequence())

    internal val dependentCaches: Iterable<IncrementalCacheImpl>
-            get() = dependents
+        get() = dependents

    override fun registerInline(fromPath: String, jvmSignature: String, toPath: String) {
-        if (!IncrementalCompilation.isExperimental()) {
-            inlinedTo.add(fromPath, jvmSignature, toPath)
-        }
    }

    fun addDependentCache(cache: IncrementalCacheImpl) {
@@ -132,28 +121,9 @@ class IncrementalCacheImpl(
        }
    }

-    fun getFilesToReinline(): Collection<File> {
-        val result = THashSet(FileUtil.PATH_HASHING_STRATEGY)
-
-        for ((className, functions) in dirtyInlineFunctionsMap.getEntries()) {
-            val classFilePath = getClassFilePath(className.internalName)
-
-            for (cache in dependentsWithThis) {
-                val targetFiles = functions.flatMap { cache.inlinedTo[classFilePath, it] }
-                result.addAll(targetFiles)
-            }
-        }
-
-        return result.map { File(it) }
-    }
-
    fun getSubtypesOf(className: FqName): Sequence<FqName> =
            subtypesMap[className].asSequence()

-    fun cleanDirtyInlineFunctions() {
-        dirtyInlineFunctionsMap.clean()
-    }
-
    override fun getClassFilePath(internalClassName: String): String {
        return toSystemIndependentName(File(outputDir, "$internalClassName.class").canonicalPath)
    }
@@ -184,7 +154,7 @@ class IncrementalCacheImpl(

                protoMap.process(kotlinClass, isPackage = true) +
                constantsMap.process(kotlinClass) +
-                inlineFunctionsMap.process(kotlinClass, isPackage = true)
+                additionalProcessChangedClass(kotlinClass, isPackage = true)
            }
            header.isCompatibleMultifileClassKind() -> {
                val partNames = kotlinClass.classHeader.filePartClassNames?.toList()
@@ -193,7 +163,7 @@ class IncrementalCacheImpl(

                // TODO NO_CHANGES? (delegates only)
                constantsMap.process(kotlinClass) +
-                inlineFunctionsMap.process(kotlinClass, isPackage = true)
+                additionalProcessChangedClass(kotlinClass, isPackage = true)
            }
            header.isCompatibleMultifileClassPartKind() -> {
                assert(sourceFiles.size == 1) { "Multifile class part from several source files: $sourceFiles" }
@@ -202,14 +172,14 @@ class IncrementalCacheImpl(

                protoMap.process(kotlinClass, isPackage = true) +
                constantsMap.process(kotlinClass) +
-                inlineFunctionsMap.process(kotlinClass, isPackage = true)
+                additionalProcessChangedClass(kotlinClass, isPackage = true)
            }
            header.isCompatibleClassKind() && !header.isLocalClass -> {
                addToClassStorage(kotlinClass)

                protoMap.process(kotlinClass, isPackage = false) +
                constantsMap.process(kotlinClass) +
-                inlineFunctionsMap.process(kotlinClass, isPackage = false)
+                additionalProcessChangedClass(kotlinClass, isPackage = false)
            }
            else -> CompilationResult.NO_CHANGES
        }
@@ -218,6 +188,8 @@ class IncrementalCacheImpl(
        return changesInfo
    }

+    protected open fun additionalProcessChangedClass(kotlinClass: LocalFileKotlinClass, isPackage: Boolean) = CompilationResult.NO_CHANGES
+
    private fun CompilationResult.logIfSomethingChanged(className: JvmClassName) {
        if (this == CompilationResult.NO_CHANGES) return

@@ -287,15 +259,19 @@ class IncrementalCacheImpl(
            multifileClassFacadeMap.remove(it)
            multifileClassPartMap.remove(it)
            constantsMap.remove(it)
-            inlineFunctionsMap.remove(it)
        }

+        additionalProcessRemovedClasses(dirtyClasses)
+
        removeAllFromClassStorage(dirtyClasses)

        dirtyOutputClassesMap.clean()
        return changesInfo
    }

+    protected open fun additionalProcessRemovedClasses(dirtyClasses: List<JvmClassName>) {
+    }
+
    override fun getObsoletePackageParts(): Collection<String> {
        val obsoletePackageParts =
                dirtyOutputClassesMap.getDirtyOutputClasses().filter { packagePartMap.isPackagePart(JvmClassName.byInternalName(it)) }
@@ -450,88 +426,6 @@ class IncrementalCacheImpl(
                value.dumpMap(Any::toString)
    }

-    private inner class InlineFunctionsMap(storageFile: File) : BasicStringMap<Map<String, Long>>(storageFile, StringToLongMapExternalizer) {
-        private fun getInlineFunctionsMap(bytes: ByteArray): Map<String, Long> {
-            val result = HashMap<String, Long>()
-
-            val inlineFunctions = inlineFunctionsJvmNames(bytes)
-            if (inlineFunctions.isEmpty()) return emptyMap()
-
-            ClassReader(bytes).accept(object : ClassVisitor(Opcodes.ASM5) {
-                override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String>?): MethodVisitor? {
-                    val dummyClassWriter = ClassWriter(Opcodes.ASM5)
-
-                    return object : MethodVisitor(Opcodes.ASM5, dummyClassWriter.visitMethod(0, name, desc, null, exceptions)) {
-                        override fun visitEnd() {
-                            val jvmName = name + desc
-                            if (jvmName !in inlineFunctions) return
-
-                            val dummyBytes = dummyClassWriter.toByteArray()!!
-                            val hash = dummyBytes.md5()
-                            result[jvmName] = hash
-                        }
-                    }
-                }
-
-            }, 0)
-
-            return result
-        }
-
-        fun process(kotlinClass: LocalFileKotlinClass, isPackage: Boolean): CompilationResult {
-            return put(kotlinClass.className, getInlineFunctionsMap(kotlinClass.fileContents), isPackage)
-        }
-
-        private fun put(className: JvmClassName, newMap: Map<String, Long>, isPackage: Boolean): CompilationResult {
-            val internalName = className.internalName
-            val oldMap = storage[internalName] ?: emptyMap()
-
-            val added = hashSetOf<String>()
-            val changed = hashSetOf<String>()
-            val allFunctions = oldMap.keys + newMap.keys
-
-            for (fn in allFunctions) {
-                val oldHash = oldMap[fn]
-                val newHash = newMap[fn]
-
-                when {
-                    oldHash == null -> added.add(fn)
-                    oldHash != newHash -> changed.add(fn)
-                }
-            }
-
-            when {
-                newMap.isNotEmpty() -> storage[internalName] = newMap
-                else -> storage.remove(internalName)
-            }
-
-            if (changed.isNotEmpty()) {
-                dirtyInlineFunctionsMap.put(className, changed.toList())
-            }
-
-            val changes =
-                    if (IncrementalCompilation.isExperimental()) {
-                        val fqName = if (isPackage) className.packageFqName else className.fqNameForClassNameWithoutDollars
-                        // TODO get name in better way instead of using substringBefore
-                        (added.asSequence() + changed.asSequence()).map { ChangeInfo.MembersChanged(fqName, listOf(it.substringBefore("("))) }
-                    }
-                    else {
-                        emptySequence<ChangeInfo>()
-                    }
-
-            return CompilationResult(inlineChanged = changed.isNotEmpty(),
-                                     inlineAdded = added.isNotEmpty(),
-                                     changes = changes)
-        }
-
-        fun remove(className: JvmClassName) {
-            storage.remove(className.internalName)
-        }
-
-        override fun dumpValue(value: Map<String, Long>): String =
-                value.dumpMap { java.lang.Long.toHexString(it) }
-    }
-
    private inner class PackagePartMap(storageFile: File) : BasicStringMap<Boolean>(storageFile, BooleanDataDescriptor.INSTANCE) {
        fun addPackagePart(className: JvmClassName) {
            storage[className.internalName] = true
@@ -662,44 +556,6 @@ class IncrementalCacheImpl(

        override fun dumpValue(value: Boolean) = ""
    }
-
-    private inner class DirtyInlineFunctionsMap(storageFile: File) : BasicStringMap<Collection<String>>(storageFile, StringCollectionExternalizer) {
-        fun getEntries(): Map<JvmClassName, Collection<String>> =
-                storage.keys.toMapBy(JvmClassName::byInternalName) { storage[it]!! }
-
-        fun put(className: JvmClassName, changedFunctions: List<String>) {
-            storage[className.internalName] = changedFunctions
-        }
-
-        override fun dumpValue(value: Collection<String>) = value.dumpCollection()
-    }
-
-
-    /**
-     * Mapping: (sourceFile+inlineFunction)->(targetFiles)
-     *
-     * Where:
-     *  * sourceFile - path to some kotlin source
-     *  * inlineFunction - jvmSignature of some inline function in source file
-     *  * target files - collection of files inlineFunction has been inlined to
-     */
-    private inner class InlineFunctionsFilesMap(storageFile: File) : BasicMap<PathFunctionPair, Collection<String>>(storageFile, PathFunctionPairKeyDescriptor, PathCollectionExternalizer) {
-        fun add(sourcePath: String, jvmSignature: String, targetPath: String) {
-            val key = PathFunctionPair(sourcePath, jvmSignature)
-            storage.append(key, targetPath)
-        }
-
-        operator fun get(sourcePath: String, jvmSignature: String): Collection<String> {
-            val key = PathFunctionPair(sourcePath, jvmSignature)
-            return storage[key] ?: emptySet()
-        }
-
-        override fun dumpKey(key: PathFunctionPair): String =
-            "(${key.path}, ${key.function})"
-
-        override fun dumpValue(value: Collection<String>) =
-            value.dumpCollection()
-    }
 }

 sealed class ChangeInfo(val fqName: FqName) {
@@ -738,23 +594,7 @@ data class CompilationResult(
                        changes + other.changes)
 }

-private class KotlinIncrementalStorageProvider(
-        private val target: ModuleBuildTarget,
-        private val paths: BuildDataPaths
-) : StorageProvider<IncrementalCacheImpl>() {
-
-    override fun equals(other: Any?) = other is KotlinIncrementalStorageProvider && target == other.target
-
-    override fun hashCode() = target.hashCode()
-
-    override fun createStorage(targetDataDir: File): IncrementalCacheImpl =
-            IncrementalCacheImpl(target, paths)
-}
-
-fun BuildDataManager.getKotlinCache(target: ModuleBuildTarget): IncrementalCacheImpl =
-        getStorage(target, KotlinIncrementalStorageProvider(target, dataPaths))
-
-private fun ByteArray.md5(): Long {
+fun ByteArray.md5(): Long {
    val d = MessageDigest.getInstance("MD5").digest(this)!!
    return ((d[0].toLong() and 0xFFL)
            or ((d[1].toLong() and 0xFFL) shl 8)
@@ -768,7 +608,7 @@ private fun ByteArray.md5(): Long {
 }

@TestOnly
-private fun <K : Comparable<K>, V> Map<K, V>.dumpMap(dumpValue: (V)->String): String =
+fun <K : Comparable<K>, V> Map<K, V>.dumpMap(dumpValue: (V)->String): String =
        buildString {
            append("{")
            for (key in keys.sorted()) {
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.jps.incremental
+
+import com.intellij.openapi.util.io.FileUtil
+import gnu.trove.THashSet
+import org.jetbrains.jps.builders.storage.BuildDataPaths
+import org.jetbrains.jps.builders.storage.StorageProvider
+import org.jetbrains.jps.incremental.ModuleBuildTarget
+import org.jetbrains.jps.incremental.storage.BuildDataManager
+import org.jetbrains.jps.incremental.storage.StorageOwner
+import org.jetbrains.kotlin.config.IncrementalCompilation
+import org.jetbrains.kotlin.inline.inlineFunctionsJvmNames
+import org.jetbrains.kotlin.jps.incremental.storage.*
+import org.jetbrains.kotlin.resolve.jvm.JvmClassName
+import org.jetbrains.org.objectweb.asm.*
+import java.io.File
+import java.util.*
+
+class JpsIncrementalCacheImpl(
+        target: ModuleBuildTarget,
+        paths: BuildDataPaths
+) : IncrementalCacheImpl(target, paths), StorageOwner {
+
+    private val inlineFunctionsMap = registerMap(InlineFunctionsMap(INLINE_FUNCTIONS.storageFile))
+    private val dirtyInlineFunctionsMap = registerMap(DirtyInlineFunctionsMap(DIRTY_INLINE_FUNCTIONS.storageFile))
+    private val inlinedTo = registerMap(InlineFunctionsFilesMap(INLINED_TO.storageFile))
+
+    override fun registerInline(fromPath: String, jvmSignature: String, toPath: String) {
+        if (!IncrementalCompilation.isExperimental()) {
+            inlinedTo.add(fromPath, jvmSignature, toPath)
+        }
+    }
+
+    override fun additionalProcessChangedClass(kotlinClass: LocalFileKotlinClass, isPackage: Boolean) =
+            inlineFunctionsMap.process(kotlinClass, isPackage)
+
+    override fun additionalProcessRemovedClasses(dirtyClasses: List<JvmClassName>) {
+        dirtyClasses.forEach { inlineFunctionsMap.remove(it) }
+    }
+
+    fun getFilesToReinline(): Collection<File> {
+        val result = THashSet(FileUtil.PATH_HASHING_STRATEGY)
+
+        for ((className, functions) in dirtyInlineFunctionsMap.getEntries()) {
+            val classFilePath = getClassFilePath(className.internalName)
+
+            for (cache in dependentsWithThis) {
+                val targetFiles = functions.flatMap { (cache as JpsIncrementalCacheImpl).inlinedTo[classFilePath, it] }
+                result.addAll(targetFiles)
+            }
+        }
+
+        return result.map { File(it) }
+    }
+
+    fun cleanDirtyInlineFunctions() {
+        dirtyInlineFunctionsMap.clean()
+    }
+
+    private inner class InlineFunctionsMap(storageFile: File) : BasicStringMap<Map<String, Long>>(storageFile, StringToLongMapExternalizer) {
+        private fun getInlineFunctionsMap(bytes: ByteArray): Map<String, Long> {
+            val result = HashMap<String, Long>()
+
+            val inlineFunctions = inlineFunctionsJvmNames(bytes)
+            if (inlineFunctions.isEmpty()) return emptyMap()
+
+            ClassReader(bytes).accept(object : ClassVisitor(Opcodes.ASM5) {
+                override fun visitMethod(access: Int, name: String, desc: String, signature: String?, exceptions: Array<out String>?): MethodVisitor? {
+                    val dummyClassWriter = ClassWriter(Opcodes.ASM5)
+
+                    return object : MethodVisitor(Opcodes.ASM5, dummyClassWriter.visitMethod(0, name, desc, null, exceptions)) {
+                        override fun visitEnd() {
+                            val jvmName = name + desc
+                            if (jvmName !in inlineFunctions) return
+
+                            val dummyBytes = dummyClassWriter.toByteArray()!!
+                            val hash = dummyBytes.md5()
+                            result[jvmName] = hash
+                        }
+                    }
+                }
+
+            }, 0)
+
+            return result
+        }
+
+        fun process(kotlinClass: LocalFileKotlinClass, isPackage: Boolean): CompilationResult {
+            return put(kotlinClass.className, getInlineFunctionsMap(kotlinClass.fileContents), isPackage)
+        }
+
+        private fun put(className: JvmClassName, newMap: Map<String, Long>, isPackage: Boolean): CompilationResult {
+            val internalName = className.internalName
+            val oldMap = storage[internalName] ?: emptyMap()
+
+            val added = hashSetOf<String>()
+            val changed = hashSetOf<String>()
+            val allFunctions = oldMap.keys + newMap.keys
+
+            for (fn in allFunctions) {
+                val oldHash = oldMap[fn]
+                val newHash = newMap[fn]
+
+                when {
+                    oldHash == null -> added.add(fn)
+                    oldHash != newHash -> changed.add(fn)
+                }
+            }
+
+            when {
+                newMap.isNotEmpty() -> storage[internalName] = newMap
+                else -> storage.remove(internalName)
+            }
+
+            if (changed.isNotEmpty()) {
+                dirtyInlineFunctionsMap.put(className, changed.toList())
+            }
+
+            val changes =
+                    if (IncrementalCompilation.isExperimental()) {
+                        val fqName = if (isPackage) className.packageFqName else className.fqNameForClassNameWithoutDollars
+                        // TODO get name in better way instead of using substringBefore
+                        (added.asSequence() + changed.asSequence()).map { ChangeInfo.MembersChanged(fqName, listOf(it.substringBefore("("))) }
+                    }
+                    else {
+                        emptySequence<ChangeInfo>()
+                    }
+
+            return CompilationResult(inlineChanged = changed.isNotEmpty(),
+                                     inlineAdded = added.isNotEmpty(),
+                                     changes = changes)
+        }
+
+        fun remove(className: JvmClassName) {
+            storage.remove(className.internalName)
+        }
+
+        override fun dumpValue(value: Map<String, Long>): String =
+                value.dumpMap { java.lang.Long.toHexString(it) }
+    }
+
+    private inner class DirtyInlineFunctionsMap(storageFile: File) : BasicStringMap<Collection<String>>(storageFile, StringCollectionExternalizer) {
+        fun getEntries(): Map<JvmClassName, Collection<String>> =
+                storage.keys.toMapBy(JvmClassName::byInternalName) { storage[it]!! }
+
+        fun put(className: JvmClassName, changedFunctions: List<String>) {
+            storage[className.internalName] = changedFunctions
+        }
+
+        override fun dumpValue(value: Collection<String>) = value.dumpCollection()
+    }
+
+    /**
+     * Mapping: (sourceFile+inlineFunction)->(targetFiles)
+     *
+     * Where:
+     *  * sourceFile - path to some kotlin source
+     *  * inlineFunction - jvmSignature of some inline function in source file
+     *  * target files - collection of files inlineFunction has been inlined to
+     */
+    private inner class InlineFunctionsFilesMap(storageFile: File) : BasicMap<PathFunctionPair, Collection<String>>(storageFile, PathFunctionPairKeyDescriptor, PathCollectionExternalizer) {
+        fun add(sourcePath: String, jvmSignature: String, targetPath: String) {
+            val key = PathFunctionPair(sourcePath, jvmSignature)
+            storage.append(key, targetPath)
+        }
+
+        operator fun get(sourcePath: String, jvmSignature: String): Collection<String> {
+            val key = PathFunctionPair(sourcePath, jvmSignature)
+            return storage[key] ?: emptySet()
+        }
+
+        override fun dumpKey(key: PathFunctionPair): String =
+                "(${key.path}, ${key.function})"
+
+        override fun dumpValue(value: Collection<String>) =
+                value.dumpCollection()
+    }
+
+    companion object {
+        private val INLINE_FUNCTIONS = "inline-functions"
+        private val DIRTY_INLINE_FUNCTIONS = "dirty-inline-functions"
+        private val INLINED_TO = "inlined-to"
+    }
+}
+
+private class KotlinIncrementalStorageProvider(
+        private val target: ModuleBuildTarget,
+        private val paths: BuildDataPaths
+) : StorageProvider<JpsIncrementalCacheImpl>() {
+
+    override fun equals(other: Any?) = other is KotlinIncrementalStorageProvider && target == other.target
+
+    override fun hashCode() = target.hashCode()
+
+    override fun createStorage(targetDataDir: File): JpsIncrementalCacheImpl =
+            JpsIncrementalCacheImpl(target, paths)
+}
+
+fun BuildDataManager.getKotlinCache(target: ModuleBuildTarget): JpsIncrementalCacheImpl =
+        getStorage(target, KotlinIncrementalStorageProvider(target, dataPaths))
+