org.jetbrains.kotlin.incremental.IncrementalJvmCache.kt Maven / Gradle / Ivy
/*
* 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.incremental
import com.intellij.openapi.util.io.FileUtil.toSystemIndependentName
import com.intellij.util.containers.CollectionFactory
import com.intellij.util.io.BooleanDataDescriptor
import com.intellij.util.io.EnumeratorStringDescriptor
import gnu.trove.THashSet
import org.jetbrains.annotations.TestOnly
import org.jetbrains.kotlin.build.GeneratedJvmClass
import org.jetbrains.kotlin.incremental.storage.*
import org.jetbrains.kotlin.inline.InlineFunction
import org.jetbrains.kotlin.inline.InlineFunctionOrAccessor
import org.jetbrains.kotlin.inline.InlinePropertyAccessor
import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader
import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
import org.jetbrains.kotlin.load.kotlin.incremental.components.JvmPackagePartProto
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil
import org.jetbrains.kotlin.metadata.jvm.deserialization.ModuleMapping
import org.jetbrains.kotlin.metadata.jvm.serialization.JvmStringTable
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.jvm.JvmClassName
import java.io.File
import java.security.MessageDigest
const val KOTLIN_CACHE_DIRECTORY_NAME = "kotlin"
open class IncrementalJvmCache(
targetDataRoot: File,
icContext: IncrementalCompilationContext,
targetOutputDir: File?,
) : AbstractIncrementalCache(
workingDir = File(targetDataRoot, KOTLIN_CACHE_DIRECTORY_NAME),
icContext,
), IncrementalCache {
companion object {
private const val PROTO_MAP = "proto"
private const val FE_PROTO_MAP = "fe-proto"
private const val CONSTANTS_MAP = "constants"
private const val PACKAGE_PARTS = "package-parts"
private const val MULTIFILE_CLASS_FACADES = "multifile-class-facades"
private const val MULTIFILE_CLASS_PARTS = "multifile-class-parts"
private const val INLINE_FUNCTIONS = "inline-functions"
private const val INTERNAL_NAME_TO_SOURCE = "internal-name-to-source"
private const val JAVA_SOURCES_PROTO_MAP = "java-sources-proto-map"
private const val MODULE_MAPPING_FILE_NAME = "." + ModuleMapping.MAPPING_FILE_EXT
}
override val sourceToClassesMap = registerMap(SourceToJvmNameMap(SOURCE_TO_CLASSES.storageFile, icContext))
override val dirtyOutputClassesMap = registerMap(DirtyClassesJvmNameMap(DIRTY_OUTPUT_CLASSES.storageFile, icContext))
private val protoMap = registerMap(ProtoMap(PROTO_MAP.storageFile, icContext))
private val feProtoMap = registerMap(ProtoMap(FE_PROTO_MAP.storageFile, icContext))
private val constantsMap = registerMap(ConstantsMap(CONSTANTS_MAP.storageFile, icContext))
private val packagePartMap = registerMap(PackagePartMap(PACKAGE_PARTS.storageFile, icContext))
private val multifileFacadeToParts = registerMap(MultifileClassFacadeMap(MULTIFILE_CLASS_FACADES.storageFile, icContext))
private val partToMultifileFacade = registerMap(MultifileClassPartMap(MULTIFILE_CLASS_PARTS.storageFile, icContext))
private val inlineFunctionsMap = registerMap(InlineFunctionsMap(INLINE_FUNCTIONS.storageFile, icContext))
// todo: try to use internal names only?
private val internalNameToSource = registerMap(InternalNameToSourcesMap(INTERNAL_NAME_TO_SOURCE.storageFile, icContext))
// gradle only
private val javaSourcesProtoMap = registerMap(JavaSourcesProtoMap(JAVA_SOURCES_PROTO_MAP.storageFile, icContext))
private val outputDir by lazy(LazyThreadSafetyMode.NONE) { requireNotNull(targetOutputDir) { "Target is expected to have output directory" } }
protected open fun debugLog(message: String) {}
fun isTrackedFile(file: File) = sourceToClassesMap.contains(file)
// used in gradle
@Suppress("unused")
fun classesBySources(sources: Iterable): Iterable =
sources.flatMap { sourceToClassesMap[it] }
fun sourceInCache(file: File): Boolean =
sourceToClassesMap.contains(file)
fun sourcesByInternalName(internalName: String): Collection =
internalNameToSource[internalName]
fun getAllPartsOfMultifileFacade(facade: JvmClassName): Collection? {
return multifileFacadeToParts[facade]
}
fun isMultifileFacade(className: JvmClassName): Boolean =
className in multifileFacadeToParts
override fun getClassFilePath(internalClassName: String): String {
return toSystemIndependentName(File(outputDir, "$internalClassName.class").normalize().absolutePath)
}
fun saveModuleMappingToCache(sourceFiles: Collection, file: File) {
val jvmClassName = JvmClassName.byInternalName(MODULE_MAPPING_FILE_NAME)
protoMap.storeModuleMapping(jvmClassName, file.readBytes())
dirtyOutputClassesMap.notDirty(jvmClassName)
sourceFiles.forEach { sourceToClassesMap.add(it, jvmClassName) }
}
open fun saveFileToCache(generatedClass: GeneratedJvmClass, changesCollector: ChangesCollector) {
saveClassToCache(KotlinClassInfo.createFrom(generatedClass.outputClass), generatedClass.sourceFiles, changesCollector)
}
/**
* Saves information about the given (Kotlin) class to this cache, and stores changes between this class and its previous version into
* the given [ChangesCollector].
*
* @param kotlinClassInfo Information about a Kotlin class
* @param sourceFiles The source files that the given class was generated from, or `null` if this information is not available
* @param changesCollector A [ChangesCollector]
*/
fun saveClassToCache(kotlinClassInfo: KotlinClassInfo, sourceFiles: List?, changesCollector: ChangesCollector) {
val className = kotlinClassInfo.className
dirtyOutputClassesMap.notDirty(className)
if (sourceFiles != null) {
sourceFiles.forEach {
sourceToClassesMap.add(it, className)
}
internalNameToSource[className.internalName] = sourceFiles
}
if (kotlinClassInfo.classId.isLocal) return
when (kotlinClassInfo.classKind) {
KotlinClassHeader.Kind.FILE_FACADE -> {
if (sourceFiles != null) {
assert(sourceFiles.size == 1) { "Package part from several source files: $sourceFiles" }
}
packagePartMap.addPackagePart(className)
protoMap.process(kotlinClassInfo, changesCollector)
constantsMap.process(kotlinClassInfo, changesCollector)
inlineFunctionsMap.process(kotlinClassInfo, changesCollector)
}
KotlinClassHeader.Kind.MULTIFILE_CLASS -> {
val partNames = kotlinClassInfo.classHeaderData.toList()
check(partNames.isNotEmpty()) { "Multifile class has no parts: $className" }
multifileFacadeToParts[className] = partNames
// When a class is replaced with a facade with the same name,
// the class' proto wouldn't ever be deleted,
// because we don't write proto for multifile facades.
// As a workaround we can remove proto values for multifile facades.
if (className in protoMap) {
changesCollector.collectSignature(className.fqNameForClassNameWithoutDollars, areSubclassesAffected = true)
}
protoMap.remove(className, changesCollector)
classFqNameToSourceMap.remove(className.fqNameForClassNameWithoutDollars)
classAttributesMap.remove(className.fqNameForClassNameWithoutDollars)
internalNameToSource.remove(className.internalName)
// TODO NO_CHANGES? (delegates only)
constantsMap.process(kotlinClassInfo, changesCollector)
inlineFunctionsMap.process(kotlinClassInfo, changesCollector)
}
KotlinClassHeader.Kind.MULTIFILE_CLASS_PART -> {
if (sourceFiles != null) {
assert(sourceFiles.size == 1) { "Multifile class part from several source files: $sourceFiles" }
}
packagePartMap.addPackagePart(className)
partToMultifileFacade.set(className.internalName, kotlinClassInfo.multifileClassName!!)
protoMap.process(kotlinClassInfo, changesCollector)
constantsMap.process(kotlinClassInfo, changesCollector)
inlineFunctionsMap.process(kotlinClassInfo, changesCollector)
}
KotlinClassHeader.Kind.CLASS -> {
addToClassStorage(kotlinClassInfo.protoData as ClassProtoData, sourceFiles?.let { sourceFiles.single() })
protoMap.process(kotlinClassInfo, changesCollector)
constantsMap.process(kotlinClassInfo, changesCollector)
inlineFunctionsMap.process(kotlinClassInfo, changesCollector)
}
KotlinClassHeader.Kind.UNKNOWN, KotlinClassHeader.Kind.SYNTHETIC_CLASS -> {
}
}
}
fun saveFrontendClassToCache(
classId: ClassId,
classProto: ProtoBuf.Class,
stringTable: JvmStringTable,
sourceFiles: List?,
changesCollector: ChangesCollector
) {
val className = JvmClassName.byClassId(classId)
if (sourceFiles != null) {
internalNameToSource[className.internalName] = sourceFiles
}
if (classId.isLocal) return
val newProtoData = ClassProtoData(classProto, stringTable.toNameResolver())
addToClassStorage(newProtoData, sourceFiles?.let { sourceFiles.single() })
feProtoMap.putAndCollect(
className,
ProtoMapValue(
false,
JvmProtoBufUtil.writeDataBytes(stringTable, classProto),
stringTable.strings.toTypedArray()
),
newProtoData,
changesCollector
)
}
fun collectClassChangesByFeMetadata(
className: JvmClassName, classProto: ProtoBuf.Class, stringTable: JvmStringTable, changesCollector: ChangesCollector
) {
//class
feProtoMap.check(className, classProto, stringTable, changesCollector)
}
fun saveJavaClassProto(source: File?, serializedJavaClass: SerializedJavaClass, collector: ChangesCollector) {
val jvmClassName = JvmClassName.byClassId(serializedJavaClass.classId)
javaSourcesProtoMap.process(jvmClassName, serializedJavaClass, collector)
source?.let { sourceToClassesMap.add(source, jvmClassName) }
addToClassStorage(serializedJavaClass.toProtoData(), source)
// collector.addJavaProto(ClassProtoData(proto, nameResolver))
dirtyOutputClassesMap.notDirty(jvmClassName)
}
fun getObsoleteJavaClasses(): Collection =
dirtyOutputClassesMap.getDirtyOutputClasses()
.mapNotNull {
javaSourcesProtoMap[it]?.classId
}
fun isJavaClassToTrack(classId: ClassId): Boolean {
val jvmClassName = JvmClassName.byClassId(classId)
return dirtyOutputClassesMap.isDirty(jvmClassName) ||
jvmClassName !in javaSourcesProtoMap
}
fun isJavaClassAlreadyInCache(classId: ClassId): Boolean {
val jvmClassName = JvmClassName.byClassId(classId)
return jvmClassName in javaSourcesProtoMap
}
override fun clearCacheForRemovedClasses(changesCollector: ChangesCollector) {
val dirtyClasses = dirtyOutputClassesMap.getDirtyOutputClasses()
val facadesWithRemovedParts = hashMapOf>()
for (dirtyClass in dirtyClasses) {
val facade = partToMultifileFacade.get(dirtyClass) ?: continue
val facadeClassName = JvmClassName.byInternalName(facade)
val removedParts = facadesWithRemovedParts.getOrPut(facadeClassName) { hashSetOf() }
removedParts.add(dirtyClass.internalName)
}
for ((facade, removedParts) in facadesWithRemovedParts.entries) {
val allParts = multifileFacadeToParts[facade] ?: continue
val notRemovedParts = allParts.filter { it !in removedParts }
if (notRemovedParts.isEmpty()) {
multifileFacadeToParts.remove(facade)
} else {
multifileFacadeToParts[facade] = notRemovedParts
}
}
dirtyClasses.forEach {
protoMap.remove(it, changesCollector)
feProtoMap.remove(it, changesCollector)
packagePartMap.remove(it)
multifileFacadeToParts.remove(it)
partToMultifileFacade.remove(it)
constantsMap.remove(it)
inlineFunctionsMap.remove(it)
internalNameToSource.remove(it.internalName)
javaSourcesProtoMap.remove(it, changesCollector)
}
removeAllFromClassStorage(dirtyClasses.map { it.fqNameForClassNameWithoutDollars }, changesCollector)
dirtyOutputClassesMap.clean()
}
override fun getObsoletePackageParts(): Collection {
val obsoletePackageParts = dirtyOutputClassesMap.getDirtyOutputClasses().filter(packagePartMap::isPackagePart)
debugLog("Obsolete package parts: $obsoletePackageParts")
return obsoletePackageParts.map { it.internalName }
}
override fun getPackagePartData(partInternalName: String): JvmPackagePartProto? {
return protoMap[JvmClassName.byInternalName(partInternalName)]?.let { value ->
JvmPackagePartProto(value.bytes, value.strings)
}
}
override fun getObsoleteMultifileClasses(): Collection {
val obsoleteMultifileClasses = linkedSetOf()
for (dirtyClass in dirtyOutputClassesMap.getDirtyOutputClasses()) {
val dirtyFacade = partToMultifileFacade.get(dirtyClass) ?: continue
obsoleteMultifileClasses.add(dirtyFacade)
}
debugLog("Obsolete multifile class facades: $obsoleteMultifileClasses")
return obsoleteMultifileClasses
}
override fun getStableMultifileFacadeParts(facadeInternalName: String): Collection? {
val jvmClassName = JvmClassName.byInternalName(facadeInternalName)
val partNames = multifileFacadeToParts[jvmClassName] ?: return null
return partNames.filter { !dirtyOutputClassesMap.isDirty(JvmClassName.byInternalName(it)) }
}
override fun getModuleMappingData(): ByteArray? {
return protoMap[JvmClassName.byInternalName(MODULE_MAPPING_FILE_NAME)]?.bytes
}
private inner class ProtoMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) : BasicStringMap(storageFile, ProtoMapValueExternalizer, icContext) {
@Synchronized
fun process(kotlinClassInfo: KotlinClassInfo, changesCollector: ChangesCollector) {
return putAndCollect(
kotlinClassInfo.className,
kotlinClassInfo.protoMapValue,
kotlinClassInfo.protoData,
changesCollector
)
}
// A module mapping (.kotlin_module file) is stored in a cache,
// because a corresponding file will be deleted on each round
// (it is reported as output for each [package part?] source file).
// If a mapping is not preserved, a resulting file will only contain data
// from files compiled during last round.
// However there is no need to compare old and new data in this case
// (also that would fail with exception).
@Synchronized
fun storeModuleMapping(className: JvmClassName, bytes: ByteArray) {
storage[className.internalName] = ProtoMapValue(isPackageFacade = false, bytes = bytes, strings = emptyArray())
}
@Synchronized
fun putAndCollect(
className: JvmClassName,
newMapValue: ProtoMapValue,
newProtoData: ProtoData,
changesCollector: ChangesCollector
) {
val key = className.internalName
val oldMapValue = storage[key]
storage[key] = newMapValue
changesCollector.collectProtoChanges(oldMapValue?.toProtoData(className.packageFqName), newProtoData, packageProtoKey = key)
}
fun check(
className: JvmClassName, classProto: ProtoBuf.Class, stringTable: JvmStringTable, changesCollector: ChangesCollector
) {
val key = className.internalName
val oldProtoData = storage[key]?.toProtoData(className.packageFqName)
val newProtoData = ClassProtoData(classProto, stringTable.toNameResolver())
changesCollector.collectProtoChanges(oldProtoData, newProtoData, packageProtoKey = key)
}
operator fun contains(className: JvmClassName): Boolean =
className.internalName in storage
operator fun get(className: JvmClassName): ProtoMapValue? =
storage[className.internalName]
@Synchronized
fun remove(className: JvmClassName, changesCollector: ChangesCollector) {
val key = className.internalName
val oldValue = storage[key] ?: return
if (key != MODULE_MAPPING_FILE_NAME) {
changesCollector.collectProtoChanges(oldData = oldValue.toProtoData(className.packageFqName), newData = null)
}
storage.remove(key)
}
override fun dumpValue(value: ProtoMapValue): String {
return (if (value.isPackageFacade) "1" else "0") + java.lang.Long.toHexString(value.bytes.md5())
}
}
private inner class JavaSourcesProtoMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) :
BasicStringMap(storageFile, JavaClassProtoMapValueExternalizer, icContext) {
@Synchronized
fun process(jvmClassName: JvmClassName, newData: SerializedJavaClass, changesCollector: ChangesCollector) {
val key = jvmClassName.internalName
val oldData = storage[key]
storage[key] = newData
changesCollector.collectProtoChanges(
oldData?.toProtoData(), newData.toProtoData(),
collectAllMembersForNewClass = true
)
}
@Synchronized
fun remove(className: JvmClassName, changesCollector: ChangesCollector) {
val key = className.internalName
val oldValue = storage[key] ?: return
storage.remove(key)
changesCollector.collectProtoChanges(oldValue.toProtoData(), newData = null)
}
operator fun get(className: JvmClassName): SerializedJavaClass? =
storage[className.internalName]
operator fun contains(className: JvmClassName): Boolean =
className.internalName in storage
override fun dumpValue(value: SerializedJavaClass): String =
java.lang.Long.toHexString(value.proto.toByteArray().md5())
}
// todo: reuse code with InlineFunctionsMap?
private inner class ConstantsMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) :
BasicStringMap>(storageFile, MapExternalizer(StringExternalizer, LongExternalizer), icContext) {
operator fun contains(className: JvmClassName): Boolean =
className.internalName in storage
@Synchronized
fun process(kotlinClassInfo: KotlinClassInfo, changesCollector: ChangesCollector) {
val key = kotlinClassInfo.className.internalName
val oldMap = storage[key] ?: emptyMap()
val newMap = kotlinClassInfo.extraInfo.constantSnapshots
if (newMap.isNotEmpty()) {
storage[key] = newMap
} else {
storage.remove(key)
}
val allConstants = oldMap.keys + newMap.keys
if (allConstants.isEmpty()) return
val scope = kotlinClassInfo.scopeFqName()
for (const in allConstants) {
changesCollector.collectMemberIfValueWasChanged(scope, const, oldMap[const], newMap[const])
}
// If a constant is defined in a companion object of class A, its name and type will be found in the Kotlin metadata of
// `A$Companion.class`, but its value will only be found in the Java bytecode code of `A.class` (see
// `org.jetbrains.kotlin.incremental.classpathDiff.ConstantsInCompanionObjectImpact` for more details).
// Therefore, if the value of `CONSTANT` in `A.class` has changed, we will report that `A.CONSTANT` has changed in the code
// above, and report that `A.Companion.CONSTANT` is impacted in the code below.
kotlinClassInfo.companionObject?.let { companionObjectClassId ->
// Note that `companionObjectClassId` is the companion object of the current class. Here we assume that the previous class
// also has a companion object with the same name. If that is not the case, that change will be detected when comparing
// protos, and the report below will be imprecise/redundant, but it's okay to over-approximate the result.
val companionObjectFqName = companionObjectClassId.asSingleFqName()
for (const in allConstants) {
changesCollector.collectMemberIfValueWasChanged(
scope = companionObjectFqName, name = const, oldMap[const], newMap[const]
)
}
}
}
@Synchronized
fun remove(className: JvmClassName) {
storage.remove(className.internalName)
}
override fun dumpValue(value: Map): String =
value.dumpMap(Long::toString)
}
private inner class PackagePartMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) : BasicStringMap(storageFile, BooleanDataDescriptor.INSTANCE, icContext) {
fun addPackagePart(className: JvmClassName) {
storage[className.internalName] = true
}
fun remove(className: JvmClassName) {
storage.remove(className.internalName)
}
fun isPackagePart(className: JvmClassName): Boolean =
className.internalName in storage
override fun dumpValue(value: Boolean) = ""
}
private inner class MultifileClassFacadeMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) :
BasicStringMap>(storageFile, StringCollectionExternalizer, icContext) {
@Synchronized
operator fun set(className: JvmClassName, partNames: Collection) {
storage[className.internalName] = partNames
}
operator fun get(className: JvmClassName): Collection? =
storage[className.internalName]
operator fun contains(className: JvmClassName): Boolean =
className.internalName in storage
@Synchronized
fun remove(className: JvmClassName) {
storage.remove(className.internalName)
}
override fun dumpValue(value: Collection): String = value.dumpCollection()
}
private inner class MultifileClassPartMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) :
BasicStringMap(storageFile, EnumeratorStringDescriptor.INSTANCE, icContext) {
@Synchronized
fun set(partName: String, facadeName: String) {
storage[partName] = facadeName
}
fun get(partName: JvmClassName): String? =
storage[partName.internalName]
@Synchronized
fun remove(className: JvmClassName) {
storage.remove(className.internalName)
}
override fun dumpValue(value: String): String = value
}
inner class InternalNameToSourcesMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) : BasicStringMap>(storageFile, EnumeratorStringDescriptor(), PathCollectionExternalizer, icContext) {
operator fun set(internalName: String, sourceFiles: Collection) {
storage[internalName] = pathConverter.toPaths(sourceFiles)
}
operator fun get(internalName: String): Collection =
pathConverter.toFiles(storage[internalName] ?: emptyList())
fun remove(internalName: String) {
storage.remove(internalName)
}
override fun dumpValue(value: Collection): String =
value.dumpCollection()
}
private inner class InlineFunctionsMap(
storageFile: File,
icContext: IncrementalCompilationContext,
) :
BasicStringMap>(
storageFile,
MapExternalizer(InlineFunctionOrAccessorExternalizer, LongExternalizer),
icContext
) {
@Synchronized
fun process(kotlinClassInfo: KotlinClassInfo, changesCollector: ChangesCollector) {
val key = kotlinClassInfo.className.internalName
val oldMap = storage[key] ?: emptyMap()
val newMap = kotlinClassInfo.extraInfo.inlineFunctionOrAccessorSnapshots
if (newMap.isNotEmpty()) {
storage[key] = newMap
} else {
storage.remove(key)
}
// Note: If we detect a change in an inline function `foo` with @JvmName `fooJvmName`, we have two options:
// 1. Report that function `foo` has changed
// 2. Report that method `fooJvmName` has changed
//
// Similarly, if we detect a change in an inline property accessor with JvmName `getFoo` of property `foo`, we have two options:
// 1. Report that property `foo` has changed
// 2. Report that property accessor `getFoo` has changed
//
// The compiler is guaranteed to generate `LookupSymbol`s corresponding to option 1 when referencing inline functions/property
// accessors, but it is not guaranteed to generate `LookupSymbol`s corresponding to option 2. (Currently the compiler seems to
// support option 2 for *inline* functions/property accessors, but that may change.)
//
// In the following, we will choose option 1 as it is cleaner and safer.
val scope = kotlinClassInfo.scopeFqName()
(oldMap.keys + newMap.keys).forEach {
val name = when (it) {
is InlineFunction -> it.kotlinFunctionName
is InlinePropertyAccessor -> it.propertyName
}
changesCollector.collectMemberIfValueWasChanged(scope, name, oldMap[it], newMap[it])
}
}
@Synchronized
fun remove(className: JvmClassName) {
storage.remove(className.internalName)
}
override fun dumpValue(value: Map): String =
value.mapKeys { it.key.jvmMethodSignature.asString() }.dumpMap { java.lang.Long.toHexString(it) }
}
private fun KotlinClassInfo.scopeFqName() = when (classKind) {
KotlinClassHeader.Kind.CLASS -> classId.asSingleFqName()
else -> classId.packageFqName
}
}
private object PathCollectionExternalizer :
CollectionExternalizer(PathStringDescriptor, { THashSet(CollectionFactory.createFilePathSet()) })
sealed class ChangeInfo(val fqName: FqName) {
open class MembersChanged(fqName: FqName, val names: Collection) : ChangeInfo(fqName) {
override fun toStringProperties(): String = super.toStringProperties() + ", names = $names"
}
class Removed(fqName: FqName, names: Collection) : MembersChanged(fqName, names)
class SignatureChanged(fqName: FqName, val areSubclassesAffected: Boolean) : ChangeInfo(fqName)
class ParentsChanged(fqName: FqName, val parentsChanged: Collection) : ChangeInfo(fqName)
protected open fun toStringProperties(): String = "fqName = $fqName"
override fun toString(): String {
return this::class.java.simpleName + "(${toStringProperties()})"
}
}
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)
or ((d[2].toLong() and 0xFFL) shl 16)
or ((d[3].toLong() and 0xFFL) shl 24)
or ((d[4].toLong() and 0xFFL) shl 32)
or ((d[5].toLong() and 0xFFL) shl 40)
or ((d[6].toLong() and 0xFFL) shl 48)
or ((d[7].toLong() and 0xFFL) shl 56)
)
}
@TestOnly
fun , V> Map.dumpMap(dumpValue: (V) -> String): String =
buildString {
append("{")
for (key in keys.sorted()) {
if (length != 1) {
append(", ")
}
val value = get(key)?.let(dumpValue) ?: "null"
append("$key -> $value")
}
append("}")
}
@TestOnly
fun > Collection.dumpCollection(): String =
"[${sorted().joinToString(", ", transform = Any::toString)}]"
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