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Display inherited extensions (#2625)
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plugins/base/src/main/kotlin/transformers/documentables/utils/FullClassHierarchyBuilder.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package org.jetbrains.dokka.base.transformers.documentables.utils | ||
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|
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| import com.intellij.psi.PsiClass | ||
| import kotlinx.coroutines.* | ||
| import org.jetbrains.dokka.analysis.DescriptorDocumentableSource | ||
| import org.jetbrains.dokka.analysis.PsiDocumentableSource | ||
| import org.jetbrains.dokka.analysis.from | ||
| import org.jetbrains.dokka.links.DRI | ||
| import org.jetbrains.dokka.model.* | ||
| import org.jetbrains.dokka.utilities.parallelForEach | ||
| import org.jetbrains.kotlin.descriptors.ClassDescriptor | ||
| import org.jetbrains.kotlin.types.KotlinType | ||
| import org.jetbrains.kotlin.types.typeUtil.immediateSupertypes | ||
| import org.jetbrains.kotlin.types.typeUtil.isAnyOrNullableAny | ||
| import java.util.concurrent.ConcurrentHashMap | ||
|
|
||
| typealias Supertypes = List<DRI> | ||
| typealias ClassHierarchy = SourceSetDependent<Map<DRI, Supertypes>> | ||
|
|
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| class FullClassHierarchyBuilder { | ||
| suspend operator fun invoke(original: DModule): ClassHierarchy = coroutineScope { | ||
| val map = original.sourceSets.associateWith { ConcurrentHashMap<DRI, List<DRI>>() } | ||
| original.packages.parallelForEach { visitDocumentable(it, map) } | ||
| map | ||
| } | ||
|
|
||
| private suspend fun collectSupertypesFromKotlinType( | ||
| driWithKType: Pair<DRI, KotlinType>, | ||
| supersMap: MutableMap<DRI, Supertypes> | ||
| ): Unit = coroutineScope { | ||
| val (dri, kotlinType) = driWithKType | ||
| val supertypes = kotlinType.immediateSupertypes().filterNot { it.isAnyOrNullableAny() } | ||
| val supertypesDriWithKType = supertypes.mapNotNull { supertype -> | ||
| supertype.constructor.declarationDescriptor?.let { | ||
| DRI.from(it) to supertype | ||
| } | ||
| } | ||
|
|
||
| if (supersMap[dri] == null) { | ||
| // another thread can rewrite the same value, but it isn't a problem | ||
| supersMap[dri] = supertypesDriWithKType.map { it.first } | ||
| supertypesDriWithKType.parallelForEach { collectSupertypesFromKotlinType(it, supersMap) } | ||
| } | ||
| } | ||
|
|
||
| private suspend fun collectSupertypesFromPsiClass( | ||
| driWithPsiClass: Pair<DRI, PsiClass>, | ||
| supersMap: MutableMap<DRI, Supertypes> | ||
| ): Unit = coroutineScope { | ||
| val (dri, psiClass) = driWithPsiClass | ||
| val supertypes = psiClass.superTypes.mapNotNull { it.resolve() } | ||
| .filterNot { it.qualifiedName == "java.lang.Object" } | ||
| val supertypesDriWithPsiClass = supertypes.map { DRI.from(it) to it } | ||
|
|
||
| if (supersMap[dri] == null) { | ||
| // another thread can rewrite the same value, but it isn't a problem | ||
| supersMap[dri] = supertypesDriWithPsiClass.map { it.first } | ||
| supertypesDriWithPsiClass.parallelForEach { collectSupertypesFromPsiClass(it, supersMap) } | ||
| } | ||
| } | ||
|
|
||
| private suspend fun visitDocumentable( | ||
| documentable: Documentable, | ||
| hierarchy: SourceSetDependent<MutableMap<DRI, List<DRI>>> | ||
| ): Unit = coroutineScope { | ||
| if (documentable is WithScope) { | ||
| documentable.classlikes.parallelForEach { visitDocumentable(it, hierarchy) } | ||
| } | ||
| if (documentable is DClasslike) { | ||
| // to build a full class graph, using supertypes from Documentable | ||
| // is not enough since it keeps only one level of hierarchy | ||
| documentable.sources.forEach { (sourceSet, source) -> | ||
| if (source is DescriptorDocumentableSource) { | ||
| val descriptor = source.descriptor as ClassDescriptor | ||
| val type = descriptor.defaultType | ||
| hierarchy[sourceSet]?.let { collectSupertypesFromKotlinType(documentable.dri to type, it) } | ||
| } else if (source is PsiDocumentableSource) { | ||
| val psi = source.psi as PsiClass | ||
| hierarchy[sourceSet]?.let { collectSupertypesFromPsiClass(documentable.dri to psi, it) } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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