diff options
Diffstat (limited to 'subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin')
2 files changed, 68 insertions, 54 deletions
diff --git a/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/JvmDependenciesIndexImpl.kt b/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/JvmDependenciesIndexImpl.kt index 42fda615..7cc41600 100644 --- a/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/JvmDependenciesIndexImpl.kt +++ b/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/JvmDependenciesIndexImpl.kt @@ -14,23 +14,35 @@ * limitations under the License. */ -package org.jetbrains.dokka.analysis.kotlin.descriptors.compiler.configuration +/** + * DO NOT MOVE IT + * This is a hack for https://github.com/Kotlin/dokka/issues/1599 + * + * Copy-pasted from 1.9.20-Beta-1 + * Can be removed for Kotlin compiler 1.9.20 and later + * + * It makes this class threadsafe for Dokka + */ +@file:Suppress("PackageDirectoryMismatch") +package org.jetbrains.kotlin.cli.jvm.index import com.intellij.ide.highlighter.JavaClassFileType import com.intellij.ide.highlighter.JavaFileType import com.intellij.openapi.vfs.VfsUtilCore import com.intellij.openapi.vfs.VirtualFile import gnu.trove.THashMap -import it.unimi.dsi.fastutil.ints.IntArrayList -import org.jetbrains.kotlin.cli.jvm.index.JavaRoot -import org.jetbrains.kotlin.cli.jvm.index.JvmDependenciesIndex import org.jetbrains.kotlin.name.ClassId import org.jetbrains.kotlin.name.FqName +import java.util.* +import java.util.concurrent.locks.ReentrantLock +import kotlin.concurrent.withLock // speeds up finding files/classes in classpath/java source roots -// NOT THREADSAFE, needs to be adapted/removed if we want compiler to be multithreaded +// TODO: KT-58327 needs to be adapted/removed if we want compiler to be multithreaded // the main idea of this class is for each package to store roots which contains it to avoid excessive file system traversal -internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependenciesIndex { +class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependenciesIndex { + private val lock = ReentrantLock() + //these fields are computed based on _roots passed to constructor which are filled in later private val roots: List<JavaRoot> by lazy { _roots.toList() } @@ -46,7 +58,8 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie // indices of roots that are known to contain this package // if this list contains [1, 3, 5] then roots with indices 1, 3 and 5 are known to contain this package, 2 and 4 are known not to (no information about roots 6 or higher) // if this list contains maxIndex that means that all roots containing this package are known - val rootIndices = IntArrayList(2) + @Suppress("DEPRECATION") // TODO: fix deprecation + val rootIndices = com.intellij.util.containers.IntArrayList(2) } // root "Cache" object corresponds to DefaultPackage which exists in every root. Roots with non-default fqname are also listed here but @@ -55,7 +68,7 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie Cache().apply { roots.indices.forEach(rootIndices::add) rootIndices.add(maxIndex) - rootIndices.trimToSize(0) + rootIndices.trimToSize() } } @@ -74,8 +87,10 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie acceptedRootTypes: Set<JavaRoot.RootType>, continueSearch: (VirtualFile, JavaRoot.RootType) -> Boolean ) { - search(TraverseRequest(packageFqName, acceptedRootTypes)) { dir, rootType -> - if (continueSearch(dir, rootType)) null else Unit + lock.withLock { + search(TraverseRequest(packageFqName, acceptedRootTypes)) { dir, rootType -> + if (continueSearch(dir, rootType)) null else Unit + } } } @@ -85,26 +100,29 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie acceptedRootTypes: Set<JavaRoot.RootType>, findClassGivenDirectory: (VirtualFile, JavaRoot.RootType) -> T? ): T? { - // make a decision based on information saved from last class search - if (lastClassSearch?.first?.classId != classId) { - return search(FindClassRequest(classId, acceptedRootTypes), findClassGivenDirectory) - } + lock.withLock { + // TODO: KT-58327 probably should be changed to thread local to fix fast-path + // make a decision based on information saved from last class search + if (lastClassSearch?.first?.classId != classId) { + return search(FindClassRequest(classId, acceptedRootTypes), findClassGivenDirectory) + } - val (cachedRequest, cachedResult) = lastClassSearch!! - return when (cachedResult) { - is SearchResult.NotFound -> { - val limitedRootTypes = acceptedRootTypes - cachedRequest.acceptedRootTypes - if (limitedRootTypes.isEmpty()) { - null - } else { - search(FindClassRequest(classId, limitedRootTypes), findClassGivenDirectory) + val (cachedRequest, cachedResult) = lastClassSearch!! + return when (cachedResult) { + is SearchResult.NotFound -> { + val limitedRootTypes = acceptedRootTypes - cachedRequest.acceptedRootTypes + if (limitedRootTypes.isEmpty()) { + null + } else { + search(FindClassRequest(classId, limitedRootTypes), findClassGivenDirectory) + } } - } - is SearchResult.Found -> { - if (cachedRequest.acceptedRootTypes == acceptedRootTypes) { - findClassGivenDirectory(cachedResult.packageDirectory, cachedResult.root.type) - } else { - search(FindClassRequest(classId, acceptedRootTypes), findClassGivenDirectory) + is SearchResult.Found -> { + if (cachedRequest.acceptedRootTypes == acceptedRootTypes) { + findClassGivenDirectory(cachedResult.packageDirectory, cachedResult.root.type) + } else { + search(FindClassRequest(classId, acceptedRootTypes), findClassGivenDirectory) + } } } } @@ -112,7 +130,7 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie private fun <T : Any> search(request: SearchRequest, handler: (VirtualFile, JavaRoot.RootType) -> T?): T? { // a list of package sub names, ["org", "jb", "kotlin"] - val packagesPath = request.packageFqName.pathSegments().map { it.identifier } + val packagesPath = request.packageFqName.pathSegments().map { it.identifierOrNullIfSpecial ?: return null } // a list of caches corresponding to packages, [default, "org", "org.jb", "org.jb.kotlin"] val caches = cachesPath(packagesPath) @@ -122,12 +140,11 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie // NOTE: indices manipulation instead of using caches.reversed() is here for performance reasons for (cacheIndex in caches.lastIndex downTo 0) { val cacheRootIndices = caches[cacheIndex].rootIndices - for (i in 0 until cacheRootIndices.size) { - val rootIndex = cacheRootIndices.getInt(i) + for (i in 0 until cacheRootIndices.size()) { + val rootIndex = cacheRootIndices[i] if (rootIndex <= processedRootsUpTo) continue // roots with those indices have been processed by now - val directoryInRoot = - travelPath(rootIndex, request.packageFqName, packagesPath, cacheIndex, caches) ?: continue + val directoryInRoot = travelPath(rootIndex, request.packageFqName, packagesPath, cacheIndex, caches) ?: continue val root = roots[rootIndex] if (root.type in request.acceptedRootTypes) { val result = handler(directoryInRoot, root.type) @@ -139,12 +156,7 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie } } } - processedRootsUpTo = - if (cacheRootIndices.isEmpty()) { - processedRootsUpTo - } else { - cacheRootIndices.getInt(cacheRootIndices.size - 1) - } + processedRootsUpTo = if (cacheRootIndices.isEmpty) processedRootsUpTo else cacheRootIndices[cacheRootIndices.size() - 1] } if (request is FindClassRequest) { @@ -166,15 +178,13 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie for (i in (fillCachesAfter + 1) until cachesPath.size) { // we all know roots that contain this package by now cachesPath[i].rootIndices.add(maxIndex) - cachesPath[i].rootIndices.trimToSize(0) + cachesPath[i].rootIndices.trimToSize() } return null } - return synchronized(packageCache) { - packageCache[rootIndex].getOrPut(packageFqName.asString()) { - doTravelPath(rootIndex, packagesPath, fillCachesAfter, cachesPath) - } + return packageCache[rootIndex].getOrPut(packageFqName.asString()) { + doTravelPath(rootIndex, packagesPath, fillCachesAfter, cachesPath) } } @@ -236,12 +246,7 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie return caches } - private fun <E> MutableList<E>.trimToSize(newSize: Int) { - subList(newSize, size).clear() - } - - private data class FindClassRequest(val classId: ClassId, override val acceptedRootTypes: Set<JavaRoot.RootType>) : - SearchRequest { + private data class FindClassRequest(val classId: ClassId, override val acceptedRootTypes: Set<JavaRoot.RootType>) : SearchRequest { override val packageFqName: FqName get() = classId.packageFqName } @@ -261,4 +266,4 @@ internal class JvmDependenciesIndexImpl(_roots: List<JavaRoot>) : JvmDependencie object NotFound : SearchResult() } -} +}
\ No newline at end of file diff --git a/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/KotlinCliJavaFileManagerImpl.kt b/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/KotlinCliJavaFileManagerImpl.kt index ac120b62..deb09274 100644 --- a/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/KotlinCliJavaFileManagerImpl.kt +++ b/subprojects/analysis-kotlin-descriptors/compiler/src/main/kotlin/org/jetbrains/dokka/analysis/kotlin/descriptors/compiler/configuration/KotlinCliJavaFileManagerImpl.kt @@ -14,7 +14,17 @@ * limitations under the License. */ -package org.jetbrains.dokka.analysis.kotlin.descriptors.compiler.configuration +/** + * DO NOT MOVE IT + * This is a hack for https://github.com/Kotlin/dokka/issues/1599 + * + * Copy-pasted from Kotlin compiler + * + * It makes this class threadsafe (`topLevelClassesCache` and `binaryCache`) for Dokka + * + */ +@file:Suppress("PackageDirectoryMismatch") +package org.jetbrains.kotlin.cli.jvm.compiler import com.intellij.core.CoreJavaFileManager import com.intellij.openapi.diagnostic.Logger @@ -25,7 +35,6 @@ import com.intellij.psi.impl.file.PsiPackageImpl import com.intellij.psi.search.GlobalSearchScope import gnu.trove.THashMap import gnu.trove.THashSet -import org.jetbrains.kotlin.cli.jvm.compiler.JvmPackagePartProvider import org.jetbrains.kotlin.cli.jvm.index.JavaRoot import org.jetbrains.kotlin.cli.jvm.index.JvmDependenciesIndex import org.jetbrains.kotlin.cli.jvm.index.SingleJavaFileRootsIndex @@ -44,7 +53,7 @@ import org.jetbrains.kotlin.util.PerformanceCounter // TODO: do not inherit from CoreJavaFileManager to avoid accidental usage of its methods which do not use caches/indices // Currently, the only relevant usage of this class as CoreJavaFileManager is at CoreJavaDirectoryService.getPackage, // which is indirectly invoked from PsiPackage.getSubPackages -internal class KotlinCliJavaFileManagerImpl(private val myPsiManager: PsiManager) : CoreJavaFileManager(myPsiManager), KotlinCliJavaFileManager { +class KotlinCliJavaFileManagerImpl(private val myPsiManager: PsiManager) : CoreJavaFileManager(myPsiManager), KotlinCliJavaFileManager { private val perfCounter = PerformanceCounter.create("Find Java class") private lateinit var index: JvmDependenciesIndex private lateinit var singleJavaFileRootsIndex: SingleJavaFileRootsIndex |