org.jetbrains.kotlin.incremental.AbstractIncrementalCache.kt Maven / Gradle / Ivy
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the Kotlin compiler embeddable
/*
* Copyright 2010-2017 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.incremental
import org.jetbrains.kotlin.incremental.storage.*
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.deserialization.Flags
import org.jetbrains.kotlin.metadata.deserialization.TypeTable
import org.jetbrains.kotlin.metadata.deserialization.supertypes
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.serialization.deserialization.getClassId
import java.io.File
import java.util.*
/**
* Incremental cache common for JVM and JS, ClassName type aware
*/
interface IncrementalCacheCommon {
val thisWithDependentCaches: Iterable>
fun classesFqNamesBySources(files: Iterable): Collection
fun getSubtypesOf(className: FqName): Sequence
fun getSupertypesOf(className: FqName): Sequence
fun getSourceFileIfClass(fqName: FqName): File?
fun markDirty(removedAndCompiledSources: Collection)
fun clearCacheForRemovedClasses(changesCollector: ChangesCollector)
fun getComplementaryFilesRecursive(dirtyFiles: Collection): Collection
fun updateComplementaryFiles(dirtyFiles: Collection, expectActualTracker: ExpectActualTrackerImpl)
fun dump(): String
fun isSealed(className: FqName): Boolean?
}
/**
* Incremental cache common for JVM and JS for specific ClassName type
*/
abstract class AbstractIncrementalCache(
workingDir: File,
protected val icContext: IncrementalCompilationContext,
) : BasicMapsOwner(workingDir), IncrementalCacheCommon {
companion object {
private const val CLASS_ATTRIBUTES = "class-attributes"
private const val SUBTYPES = "subtypes"
private const val SUPERTYPES = "supertypes"
private const val CLASS_FQ_NAME_TO_SOURCE = "class-fq-name-to-source"
private const val COMPLEMENTARY_FILES = "complementary-files"
@JvmStatic
protected val SOURCE_TO_CLASSES = "source-to-classes"
@JvmStatic
protected val DIRTY_OUTPUT_CLASSES = "dirty-output-classes"
}
private val dependents = arrayListOf>()
fun addDependentCache(cache: AbstractIncrementalCache) {
dependents.add(cache)
}
override val thisWithDependentCaches: Iterable> by lazy {
val result = arrayListOf(this)
result.addAll(dependents)
result
}
internal val classAttributesMap = registerMap(ClassAttributesMap(CLASS_ATTRIBUTES.storageFile, icContext))
private val subtypesMap = registerMap(SubtypesMap(SUBTYPES.storageFile, icContext))
private val supertypesMap = registerMap(SupertypesMap(SUPERTYPES.storageFile, icContext))
protected val classFqNameToSourceMap = registerMap(ClassFqNameToSourceMap(CLASS_FQ_NAME_TO_SOURCE.storageFile, icContext))
internal abstract val sourceToClassesMap: AbstractSourceToOutputMap
internal abstract val dirtyOutputClassesMap: AbstractDirtyClassesMap
/**
* A file X is a complementary to a file Y if they contain corresponding expect/actual declarations.
* Complementary files should be compiled together during IC so the compiler does not complain
* about missing parts.
* TODO: provide a better solution (maintain an index of expect/actual declarations akin to IncrementalPackagePartProvider)
*/
private val complementaryFilesMap = registerMap(ComplementarySourceFilesMap(COMPLEMENTARY_FILES.storageFile, icContext))
override fun classesFqNamesBySources(files: Iterable): Collection =
files.flatMapTo(mutableSetOf()) { sourceToClassesMap.getFqNames(it).orEmpty() }
override fun getSubtypesOf(className: FqName): Sequence =
subtypesMap[className].orEmpty().asSequence()
override fun getSupertypesOf(className: FqName): Sequence {
return supertypesMap[className].orEmpty().asSequence()
}
override fun isSealed(className: FqName): Boolean? {
return classAttributesMap[className]?.isSealed
}
override fun getSourceFileIfClass(fqName: FqName): File? =
classFqNameToSourceMap[fqName]
override fun markDirty(removedAndCompiledSources: Collection) {
for (sourceFile in removedAndCompiledSources) {
sourceToClassesMap[sourceFile]?.forEach { className ->
markDirty(className)
}
sourceToClassesMap.remove(sourceFile)
}
}
fun markDirty(className: ClassName) {
dirtyOutputClassesMap.markDirty(className)
}
/**
* Updates class storage based on the given class proto.
*
* The `srcFile` argument may be `null` (e.g., if we are processing .class files in jars where source files are not available).
*/
protected fun addToClassStorage(classProtoData: ClassProtoData, srcFile: File?) {
val (proto, nameResolver) = classProtoData
val supertypes = proto.supertypes(TypeTable(proto.typeTable))
val parents = supertypes.map { nameResolver.getClassId(it.className).asSingleFqName() }
.filter { it.asString() != "kotlin.Any" }
.toSet()
val child = nameResolver.getClassId(proto.fqName).asSingleFqName()
parents.forEach { subtypesMap.append(it, child) }
val removedSupertypes = supertypesMap[child].orEmpty().filter { it !in parents }
removedSupertypes.forEach { subtypesMap.removeValues(it, setOf(child)) }
supertypesMap[child] = parents
srcFile?.let { classFqNameToSourceMap[child] = it }
classAttributesMap[child] = ICClassesAttributes(ProtoBuf.Modality.SEALED == Flags.MODALITY.get(proto.flags))
}
protected fun removeAllFromClassStorage(removedClasses: Collection, changesCollector: ChangesCollector) {
if (removedClasses.isEmpty()) return
val removedFqNames = removedClasses.toSet()
for (removedClass in removedFqNames) {
for (affectedClass in withSubtypes(removedClass, thisWithDependentCaches)) {
changesCollector.collectSignature(affectedClass, areSubclassesAffected = false)
}
}
for (cache in thisWithDependentCaches) {
val parentsFqNames = hashSetOf()
val childrenFqNames = hashSetOf()
for (removedFqName in removedFqNames) {
parentsFqNames.addAll(cache.supertypesMap[removedFqName].orEmpty())
childrenFqNames.addAll(cache.subtypesMap[removedFqName].orEmpty())
cache.supertypesMap.remove(removedFqName)
cache.subtypesMap.remove(removedFqName)
}
for (child in childrenFqNames) {
cache.supertypesMap.removeValues(child, removedFqNames)
}
for (parent in parentsFqNames) {
cache.subtypesMap.removeValues(parent, removedFqNames)
}
}
removedFqNames.forEach {
classFqNameToSourceMap.remove(it)
classAttributesMap.remove(it)
}
}
protected class ClassFqNameToSourceMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) : AbstractBasicMap(
storageFile,
FqNameExternalizer.toDescriptor(),
icContext.fileDescriptorForSourceFiles,
icContext
)
override fun getComplementaryFilesRecursive(dirtyFiles: Collection): Collection {
val complementaryFiles = HashSet()
val filesQueue = ArrayDeque(dirtyFiles)
val processedClasses = HashSet()
val processedFiles = HashSet()
while (filesQueue.isNotEmpty()) {
val file = filesQueue.pollFirst()
if (processedFiles.contains(file)) {
continue
}
processedFiles.add(file)
complementaryFilesMap[file]?.forEach {
if (complementaryFiles.add(it) && !processedFiles.contains(it)) filesQueue.add(it)
}
val classes2recompile = sourceToClassesMap.getFqNames(file).orEmpty()
classes2recompile.filter { !processedClasses.contains(it) }.forEach { class2recompile ->
processedClasses.add(class2recompile)
val sealedClasses = findSealedSupertypes(class2recompile, listOf(this))
val allSubtypes = sealedClasses.flatMap { withSubtypes(it, listOf(this)) }.also {
// there could be only one sealed class in hierarchy
processedClasses.addAll(it)
}
val files2add = allSubtypes.mapNotNull { classFqNameToSourceMap[it] }.filter { !processedFiles.contains(it) }
filesQueue.addAll(files2add)
}
}
complementaryFiles.addAll(processedFiles)
complementaryFiles.removeAll(dirtyFiles)
return complementaryFiles
}
override fun updateComplementaryFiles(dirtyFiles: Collection, expectActualTracker: ExpectActualTrackerImpl) {
dirtyFiles.forEach {
complementaryFilesMap.remove(it)
}
val actualToExpect = hashMapOf>()
for ((expect, actuals) in expectActualTracker.expectToActualMap) {
for (actual in actuals) {
actualToExpect.getOrPut(actual) { hashSetOf() }.add(expect)
}
complementaryFilesMap[expect] = actuals.union(complementaryFilesMap[expect].orEmpty())
}
for ((actual, expects) in actualToExpect) {
complementaryFilesMap[actual] = expects.union(complementaryFilesMap[actual].orEmpty())
}
}
}