/
DefaultDescriptorToDocumentableTranslator.kt
1200 lines (1071 loc) · 58 KB
/
DefaultDescriptorToDocumentableTranslator.kt
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package org.jetbrains.dokka.base.translators.descriptors
import com.intellij.psi.PsiNamedElement
import com.intellij.psi.util.PsiLiteralUtil.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.async
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.runBlocking
import org.jetbrains.dokka.DokkaConfiguration.DokkaSourceSet
import org.jetbrains.dokka.analysis.DescriptorDocumentableSource
import org.jetbrains.dokka.analysis.DokkaResolutionFacade
import org.jetbrains.dokka.analysis.KotlinAnalysis
import org.jetbrains.dokka.analysis.from
import org.jetbrains.dokka.base.DokkaBase
import org.jetbrains.dokka.base.parsers.MarkdownParser
import org.jetbrains.dokka.base.translators.psi.parsers.JavadocParser
import org.jetbrains.dokka.base.translators.typeConstructorsBeingExceptions
import org.jetbrains.dokka.base.translators.unquotedValue
import org.jetbrains.dokka.links.*
import org.jetbrains.dokka.links.Callable
import org.jetbrains.dokka.model.*
import org.jetbrains.dokka.model.AnnotationTarget
import org.jetbrains.dokka.model.Nullable
import org.jetbrains.dokka.model.Visibility
import org.jetbrains.dokka.model.doc.*
import org.jetbrains.dokka.model.properties.PropertyContainer
import org.jetbrains.dokka.plugability.DokkaContext
import org.jetbrains.dokka.plugability.plugin
import org.jetbrains.dokka.plugability.querySingle
import org.jetbrains.dokka.transformers.sources.AsyncSourceToDocumentableTranslator
import org.jetbrains.dokka.utilities.DokkaLogger
import org.jetbrains.dokka.utilities.parallelMap
import org.jetbrains.dokka.utilities.parallelMapNotNull
import org.jetbrains.kotlin.KtNodeTypes
import org.jetbrains.kotlin.builtins.functions.FunctionClassDescriptor
import org.jetbrains.kotlin.builtins.isBuiltinExtensionFunctionalType
import org.jetbrains.kotlin.builtins.isExtensionFunctionType
import org.jetbrains.kotlin.builtins.isSuspendFunctionTypeOrSubtype
import org.jetbrains.kotlin.codegen.isJvmStaticInObjectOrClassOrInterface
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.annotations.Annotated
import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
import org.jetbrains.kotlin.descriptors.java.JavaVisibilities
import org.jetbrains.kotlin.idea.kdoc.findKDoc
import org.jetbrains.kotlin.idea.kdoc.resolveKDocLink
import org.jetbrains.kotlin.js.resolve.diagnostics.findPsi
import org.jetbrains.kotlin.load.java.descriptors.JavaPropertyDescriptor
import org.jetbrains.kotlin.load.kotlin.toSourceElement
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.calls.components.isVararg
import org.jetbrains.kotlin.resolve.calls.util.getValueArgumentsInParentheses
import org.jetbrains.kotlin.resolve.constants.ConstantValue
import org.jetbrains.kotlin.resolve.constants.KClassValue.Value.LocalClass
import org.jetbrains.kotlin.resolve.constants.KClassValue.Value.NormalClass
import org.jetbrains.kotlin.resolve.descriptorUtil.annotationClass
import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameOrNull
import org.jetbrains.kotlin.resolve.descriptorUtil.parents
import org.jetbrains.kotlin.resolve.scopes.MemberScope
import org.jetbrains.kotlin.resolve.source.KotlinSourceElement
import org.jetbrains.kotlin.resolve.source.PsiSourceElement
import org.jetbrains.kotlin.resolve.source.PsiSourceFile
import org.jetbrains.kotlin.types.*
import org.jetbrains.kotlin.types.typeUtil.immediateSupertypes
import org.jetbrains.kotlin.types.typeUtil.isAnyOrNullableAny
import org.jetbrains.kotlin.utils.addToStdlib.firstIsInstanceOrNull
import org.jetbrains.kotlin.utils.addToStdlib.safeAs
import java.nio.file.Paths
import org.jetbrains.kotlin.resolve.constants.AnnotationValue as ConstantsAnnotationValue
import org.jetbrains.kotlin.resolve.constants.ArrayValue as ConstantsArrayValue
import org.jetbrains.kotlin.resolve.constants.BooleanValue as ConstantsBooleanValue
import org.jetbrains.kotlin.resolve.constants.DoubleValue as ConstantsDoubleValue
import org.jetbrains.kotlin.resolve.constants.EnumValue as ConstantsEnumValue
import org.jetbrains.kotlin.resolve.constants.FloatValue as ConstantsFloatValue
import org.jetbrains.kotlin.resolve.constants.IntValue as ConstantsIntValue
import org.jetbrains.kotlin.resolve.constants.KClassValue as ConstantsKtClassValue
import org.jetbrains.kotlin.resolve.constants.LongValue as ConstantsLongValue
import org.jetbrains.kotlin.resolve.constants.NullValue as ConstantsNullValue
import org.jetbrains.kotlin.resolve.constants.UIntValue as ConstantsUIntValue
import org.jetbrains.kotlin.resolve.constants.ULongValue as ConstantsULongValue
class DefaultDescriptorToDocumentableTranslator(
private val context: DokkaContext
) : AsyncSourceToDocumentableTranslator, ExternalClasslikesTranslator {
private val kotlinAnalysis: KotlinAnalysis = context.plugin<DokkaBase>().querySingle { kotlinAnalysis }
override suspend fun invokeSuspending(sourceSet: DokkaSourceSet, context: DokkaContext): DModule {
val (environment, facade) = kotlinAnalysis[sourceSet]
val packageFragments = environment.getSourceFiles().asSequence()
.map { it.packageFqName }
.distinct()
.mapNotNull { facade.resolveSession.getPackageFragment(it) }
.toList()
return DokkaDescriptorVisitor(sourceSet, kotlinAnalysis[sourceSet].facade, context.logger).run {
packageFragments.mapNotNull { it.safeAs<PackageFragmentDescriptor>() }.parallelMap {
visitPackageFragmentDescriptor(
it
)
}
}.let {
DModule(
name = context.configuration.moduleName,
packages = it,
documentation = emptyMap(),
expectPresentInSet = null,
sourceSets = setOf(sourceSet)
)
}
}
override fun translateClassDescriptor(descriptor: ClassDescriptor, sourceSet: DokkaSourceSet): DClasslike {
val driInfo = DRI.from(descriptor.parents.first()).withEmptyInfo()
return runBlocking(Dispatchers.Default) {
DokkaDescriptorVisitor(sourceSet, kotlinAnalysis[sourceSet].facade, context.logger)
.visitClassDescriptor(descriptor, driInfo)
}
}
}
data class DRIWithPlatformInfo(
val dri: DRI,
val actual: SourceSetDependent<DocumentableSource>
)
fun DRI.withEmptyInfo() = DRIWithPlatformInfo(this, emptyMap())
private class DokkaDescriptorVisitor(
private val sourceSet: DokkaSourceSet,
private val resolutionFacade: DokkaResolutionFacade,
private val logger: DokkaLogger
) {
private val javadocParser = JavadocParser(logger, resolutionFacade)
private fun Collection<DeclarationDescriptor>.filterDescriptorsInSourceSet() = filter {
it.toSourceElement.containingFile.toString().let { path ->
path.isNotBlank() && sourceSet.sourceRoots.any { root ->
Paths.get(path).startsWith(root.toPath())
}
}
}
private fun <T> T.toSourceSetDependent() = if (this != null) mapOf(sourceSet to this) else emptyMap()
suspend fun visitPackageFragmentDescriptor(descriptor: PackageFragmentDescriptor): DPackage {
val name = descriptor.fqName.asString().takeUnless { it.isBlank() } ?: ""
val driWithPlatform = DRI(packageName = name).withEmptyInfo()
val scope = descriptor.getMemberScope()
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind(true)
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
val typealiases = async { descriptorsWithKind.typealiases.visitTypealiases() }
DPackage(
dri = driWithPlatform.dri,
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
typealiases = typealiases.await(),
documentation = descriptor.resolveDescriptorData(),
sourceSets = setOf(sourceSet)
)
}
}
suspend fun visitClassDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DClasslike =
when (descriptor.kind) {
ClassKind.ENUM_CLASS -> enumDescriptor(descriptor, parent)
ClassKind.OBJECT -> objectDescriptor(descriptor, parent)
ClassKind.INTERFACE -> interfaceDescriptor(descriptor, parent)
ClassKind.ANNOTATION_CLASS -> annotationDescriptor(descriptor, parent)
else -> classDescriptor(descriptor, parent)
}
private suspend fun interfaceDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DInterface {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val info = descriptor.resolveClassDescriptionData()
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
val generics = async { descriptor.declaredTypeParameters.parallelMap { it.toVariantTypeParameter() } }
DInterface(
dri = driWithPlatform.dri,
name = descriptor.name.asString(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
sources = descriptor.createSources(),
expectPresentInSet = sourceSet.takeIf { isExpect },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
supertypes = info.supertypes.toSourceSetDependent(),
documentation = info.docs,
generics = generics.await(),
companion = descriptor.companion(driWithPlatform),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
ImplementedInterfaces(info.ancestry.allImplementedInterfaces().toSourceSetDependent()),
info.ancestry.exceptionInSupertypesOrNull()
)
)
}
}
private suspend fun objectDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DObject {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val info = descriptor.resolveClassDescriptionData()
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
DObject(
dri = driWithPlatform.dri,
name = descriptor.name.asString(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
sources = descriptor.createSources(),
expectPresentInSet = sourceSet.takeIf { isExpect },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
supertypes = info.supertypes.toSourceSetDependent(),
documentation = info.docs,
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
ImplementedInterfaces(info.ancestry.allImplementedInterfaces().toSourceSetDependent()),
info.ancestry.exceptionInSupertypesOrNull()
)
)
}
}
private suspend fun enumDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DEnum {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val info = descriptor.resolveClassDescriptionData()
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
val constructors =
async { descriptor.constructors.parallelMap { visitConstructorDescriptor(it, driWithPlatform) } }
val entries = async { descriptorsWithKind.enumEntries.visitEnumEntries(driWithPlatform) }
DEnum(
dri = driWithPlatform.dri,
name = descriptor.name.asString(),
entries = entries.await(),
constructors = constructors.await(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
sources = descriptor.createSources(),
expectPresentInSet = sourceSet.takeIf { isExpect },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
supertypes = info.supertypes.toSourceSetDependent(),
documentation = info.docs,
companion = descriptor.companion(driWithPlatform),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
ImplementedInterfaces(info.ancestry.allImplementedInterfaces().toSourceSetDependent())
)
)
}
}
private suspend fun visitEnumEntryDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DEnumEntry {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
DEnumEntry(
dri = driWithPlatform.dri.withEnumEntryExtra(),
name = descriptor.name.asString(),
documentation = descriptor.resolveDescriptorData(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
sourceSets = setOf(sourceSet),
expectPresentInSet = sourceSet.takeIf { isExpect },
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations()
)
)
}
}
private suspend fun annotationDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DAnnotation {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val functions = async { descriptorsWithKind.functions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
val generics = async { descriptor.declaredTypeParameters.parallelMap { it.toVariantTypeParameter() } }
val constructors =
async { descriptor.constructors.parallelMap { visitConstructorDescriptor(it, driWithPlatform) } }
DAnnotation(
dri = driWithPlatform.dri,
name = descriptor.name.asString(),
documentation = descriptor.resolveDescriptorData(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
expectPresentInSet = sourceSet.takeIf { isExpect },
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations()
),
companion = descriptor.companionObjectDescriptor?.let { objectDescriptor(it, driWithPlatform) },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
generics = generics.await(),
constructors = constructors.await(),
sources = descriptor.createSources()
)
}
}
private suspend fun classDescriptor(descriptor: ClassDescriptor, parent: DRIWithPlatformInfo): DClass {
val driWithPlatform = parent.dri.withClass(descriptor.name.asString()).withEmptyInfo()
val scope = descriptor.unsubstitutedMemberScope
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val info = descriptor.resolveClassDescriptionData()
val actual = descriptor.createSources()
return coroutineScope {
val descriptorsWithKind = scope.getDescriptorsWithKind()
val (regularFunctions, accessors) = splitFunctionsAndInheritedAccessors(
properties = descriptorsWithKind.properties,
functions = descriptorsWithKind.functions
)
val functions = async { regularFunctions.visitFunctions(driWithPlatform) }
val properties = async { descriptorsWithKind.properties.visitProperties(driWithPlatform, accessors) }
val classlikes = async { descriptorsWithKind.classlikes.visitClasslikes(driWithPlatform) }
val generics = async { descriptor.declaredTypeParameters.parallelMap { it.toVariantTypeParameter() } }
val constructors = async {
descriptor.constructors.parallelMap {
visitConstructorDescriptor(
it,
if (it.isPrimary) DRIWithPlatformInfo(driWithPlatform.dri, actual)
else DRIWithPlatformInfo(driWithPlatform.dri, emptyMap())
)
}
}
DClass(
dri = driWithPlatform.dri,
name = descriptor.name.asString(),
constructors = constructors.await(),
functions = functions.await(),
properties = properties.await(),
classlikes = classlikes.await(),
sources = actual,
expectPresentInSet = sourceSet.takeIf { isExpect },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
supertypes = info.supertypes.toSourceSetDependent(),
generics = generics.await(),
documentation = info.docs,
modifier = descriptor.modifier().toSourceSetDependent(),
companion = descriptor.companion(driWithPlatform),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
ImplementedInterfaces(info.ancestry.allImplementedInterfaces().toSourceSetDependent()),
info.ancestry.exceptionInSupertypesOrNull()
)
)
}
}
/**
* @param implicitAccessors getters/setters that are not part of the property descriptor, for instance
* average methods inherited from java sources that access the property
*/
private suspend fun visitPropertyDescriptor(
originalDescriptor: PropertyDescriptor,
implicitAccessors: DescriptorAccessorHolder?,
parent: DRIWithPlatformInfo
): DProperty {
val (dri, _) = originalDescriptor.createDRI()
val inheritedFrom = dri.getInheritedFromDRI(parent)
val descriptor = originalDescriptor.getConcreteDescriptor()
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val actual = originalDescriptor.createSources()
// example - generated getter that comes with data classes
suspend fun getDescriptorGetter() =
descriptor.accessors
.firstIsInstanceOrNull<PropertyGetterDescriptor>()
?.let {
visitPropertyAccessorDescriptor(it, descriptor, dri, inheritedFrom)
}
suspend fun getImplicitAccessorGetter() =
implicitAccessors?.getter?.let { visitFunctionDescriptor(it, parent) }
// example - generated setter that comes with data classes
suspend fun getDescriptorSetter() =
descriptor.accessors
.firstIsInstanceOrNull<PropertySetterDescriptor>()
?.let {
visitPropertyAccessorDescriptor(it, descriptor, dri, inheritedFrom)
}
suspend fun getImplicitAccessorSetter() =
implicitAccessors?.setter?.let { visitFunctionDescriptor(it, parent) }
return coroutineScope {
val generics = async { descriptor.typeParameters.parallelMap { it.toVariantTypeParameter() } }
DProperty(
dri = dri,
name = descriptor.name.asString(),
receiver = descriptor.extensionReceiverParameter?.let {
visitReceiverParameterDescriptor(it, DRIWithPlatformInfo(dri, actual))
},
sources = actual,
getter = getDescriptorGetter() ?: getImplicitAccessorGetter(),
setter = getDescriptorSetter() ?: getImplicitAccessorSetter(),
visibility = descriptor.getVisibility(implicitAccessors).toSourceSetDependent(),
documentation = descriptor.resolveDescriptorData(),
modifier = descriptor.modifier().toSourceSetDependent(),
type = descriptor.returnType!!.toBound(),
expectPresentInSet = sourceSet.takeIf { isExpect },
sourceSets = setOf(sourceSet),
generics = generics.await(),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
listOfNotNull(
(descriptor.additionalExtras() + descriptor.getAnnotationsWithBackingField()
.toAdditionalExtras()).toSet().toSourceSetDependent().toAdditionalModifiers(),
(descriptor.getAnnotationsWithBackingField() + descriptor.fileLevelAnnotations()).toSourceSetDependent()
.toAnnotations(),
descriptor.getDefaultValue()?.let { DefaultValue(it.toSourceSetDependent()) },
inheritedFrom?.let { InheritedMember(it.toSourceSetDependent()) },
)
)
)
}
}
private fun PropertyDescriptor.getVisibility(implicitAccessors: DescriptorAccessorHolder?): Visibility {
val isNonPublicJavaProperty = this is JavaPropertyDescriptor && !this.visibility.isPublicAPI
val visibility =
if (isNonPublicJavaProperty) {
// only try to take implicit getter's visibility if it's a java property
// because it's not guaranteed that implicit accessor will be used
// for the kotlin property, as it may have an explicit accessor of its own,
// i.e in data classes or with get() and set() are overridden
(implicitAccessors?.getter?.visibility ?: this.visibility)
} else {
this.visibility
}
return visibility.toDokkaVisibility()
}
private fun CallableMemberDescriptor.createDRI(wasOverridenBy: DRI? = null): Pair<DRI, DRI?> =
if (kind == CallableMemberDescriptor.Kind.DECLARATION || overriddenDescriptors.isEmpty())
Pair(DRI.from(this), wasOverridenBy)
else
overriddenDescriptors.first().createDRI(DRI.from(this))
private suspend fun visitFunctionDescriptor(
originalDescriptor: FunctionDescriptor,
parent: DRIWithPlatformInfo
): DFunction {
val (dri, _) = originalDescriptor.createDRI()
val inheritedFrom = dri.getInheritedFromDRI(parent)
val descriptor = originalDescriptor.getConcreteDescriptor()
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
val actual = originalDescriptor.createSources()
return coroutineScope {
val generics = async { descriptor.typeParameters.parallelMap { it.toVariantTypeParameter() } }
DFunction(
dri = dri,
name = descriptor.name.asString(),
isConstructor = false,
receiver = descriptor.extensionReceiverParameter?.let {
visitReceiverParameterDescriptor(it, DRIWithPlatformInfo(dri, actual))
},
parameters = descriptor.valueParameters.mapIndexed { index, desc ->
parameter(index, desc, DRIWithPlatformInfo(dri, actual))
},
expectPresentInSet = sourceSet.takeIf { isExpect },
sources = actual,
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
generics = generics.await(),
documentation = descriptor.takeIf { it.kind != CallableMemberDescriptor.Kind.SYNTHESIZED }
?.resolveDescriptorData() ?: emptyMap(),
modifier = descriptor.modifier().toSourceSetDependent(),
type = descriptor.returnType!!.toBound(),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
inheritedFrom?.let { InheritedMember(it.toSourceSetDependent()) },
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
(descriptor.getAnnotations() + descriptor.fileLevelAnnotations()).toSourceSetDependent()
.toAnnotations(),
ObviousMember.takeIf { descriptor.isObvious },
)
)
}
}
/**
* `createDRI` returns the DRI of the exact element and potential DRI of an element that is overriding it
* (It can be also FAKE_OVERRIDE which is in fact just inheritance of the symbol)
*
* Looking at what PSIs do, they give the DRI of the element within the classnames where it is actually
* declared and inheritedFrom as the same DRI but truncated callable part.
* Therefore, we set callable to null and take the DRI only if it is indeed coming from different class.
*/
private fun DRI.getInheritedFromDRI(parent: DRIWithPlatformInfo): DRI? {
return this.copy(callable = null)
.takeIf { parent.dri.classNames != this.classNames || parent.dri.packageName != this.packageName }
}
suspend fun visitConstructorDescriptor(descriptor: ConstructorDescriptor, parent: DRIWithPlatformInfo): DFunction {
val name = descriptor.constructedClass.name.toString()
val dri = parent.dri.copy(callable = Callable.from(descriptor, name))
val actual = descriptor.createSources()
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
return coroutineScope {
val generics = async { descriptor.typeParameters.parallelMap { it.toVariantTypeParameter() } }
DFunction(
dri = dri,
name = name,
isConstructor = true,
receiver = descriptor.extensionReceiverParameter?.let {
visitReceiverParameterDescriptor(it, DRIWithPlatformInfo(dri, actual))
},
parameters = descriptor.valueParameters.mapIndexed { index, desc ->
parameter(index, desc, DRIWithPlatformInfo(dri, actual))
},
sources = actual,
expectPresentInSet = sourceSet.takeIf { isExpect },
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
documentation = descriptor.resolveDescriptorData().let { sourceSetDependent ->
if (descriptor.isPrimary) {
sourceSetDependent.map { entry ->
Pair(
entry.key,
entry.value.copy(children = (entry.value.children.find { it is Constructor }?.root?.let { constructor ->
listOf(Description(constructor))
} ?: emptyList<TagWrapper>()) + entry.value.children.filterIsInstance<Param>()))
}.toMap()
} else {
sourceSetDependent
}
},
type = descriptor.returnType.toBound(),
modifier = descriptor.modifier().toSourceSetDependent(),
generics = generics.await(),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll<DFunction>(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations()
).let {
if (descriptor.isPrimary) {
it + PrimaryConstructorExtra
} else it
}
)
}
}
private suspend fun visitReceiverParameterDescriptor(
descriptor: ReceiverParameterDescriptor,
parent: DRIWithPlatformInfo
) = DParameter(
dri = parent.dri.copy(target = PointingToDeclaration),
name = null,
type = descriptor.type.toBound(),
expectPresentInSet = null,
documentation = descriptor.resolveDescriptorData(),
sourceSets = setOf(sourceSet),
extra = PropertyContainer.withAll(descriptor.getAnnotations().toSourceSetDependent().toAnnotations())
)
private suspend fun visitPropertyAccessorDescriptor(
descriptor: PropertyAccessorDescriptor,
propertyDescriptor: PropertyDescriptor,
parent: DRI,
inheritedFrom: DRI? = null
): DFunction {
val dri = parent.copy(callable = Callable.from(descriptor))
val isGetter = descriptor is PropertyGetterDescriptor
val isExpect = descriptor.isExpect
val isActual = descriptor.isActual
suspend fun PropertyDescriptor.asParameter(parent: DRI) =
DParameter(
parent.copy(target = PointingToCallableParameters(parameterIndex = 1)),
this.name.asString(),
type = this.type.toBound(),
expectPresentInSet = sourceSet.takeIf { isExpect },
documentation = descriptor.resolveDescriptorData(),
sourceSets = setOf(sourceSet),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
getAnnotationsWithBackingField().toSourceSetDependent().toAnnotations()
)
)
val name = run {
val rawName = propertyDescriptor.name.asString()
/*
* Kotlin has special rules for conversion around properties that
* start with "is" For more info see:
* https://kotlinlang.org/docs/java-interop.html#getters-and-setters
* https://kotlinlang.org/docs/java-to-kotlin-interop.html#properties
*
* Based on our testing, this rule only applies when the letter after
* the "is" is *not* lowercase. This means that words like "issue" won't
* have the rule applied but "is_foobar" and "is1of" will have the rule applied.
*/
val specialCaseIs = rawName.startsWith("is")
&& rawName.getOrNull(2)?.isLowerCase() == false
if (specialCaseIs) {
if (isGetter) rawName else rawName.replaceFirst("is", "set")
} else {
if (isGetter) "get${rawName.capitalize()}" else "set${rawName.capitalize()}"
}
}
val parameters =
if (isGetter) {
emptyList()
} else {
listOf(propertyDescriptor.asParameter(dri))
}
return coroutineScope {
val generics = async { descriptor.typeParameters.parallelMap { it.toVariantTypeParameter() } }
DFunction(
dri,
name,
isConstructor = false,
parameters = parameters,
visibility = descriptor.visibility.toDokkaVisibility().toSourceSetDependent(),
documentation = descriptor.resolveDescriptorData().mapInheritedTagWrappers(),
type = descriptor.returnType!!.toBound(),
generics = generics.await(),
modifier = descriptor.modifier().toSourceSetDependent(),
expectPresentInSet = sourceSet.takeIf { isExpect },
receiver = descriptor.extensionReceiverParameter?.let {
visitReceiverParameterDescriptor(
it,
DRIWithPlatformInfo(dri, descriptor.createSources())
)
},
sources = descriptor.createSources(),
sourceSets = setOf(sourceSet),
isExpectActual = (isExpect || isActual),
extra = PropertyContainer.withAll(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
inheritedFrom?.let { InheritedMember(it.toSourceSetDependent()) }
)
)
}
}
/**
* Workaround for a problem with inheriting parent TagWrappers of the wrong type.
*
* For instance, if you annotate a class with `@property`, kotlin compiler will propagate
* this tag to the property and its getters and setters. In case of getters and setters,
* it's more correct to display propagated docs as description instead of property
*/
private fun SourceSetDependent<DocumentationNode>.mapInheritedTagWrappers(): SourceSetDependent<DocumentationNode> {
return this.mapValues { (_, value) ->
val mappedChildren = value.children.map {
when (it) {
is Property -> Description(it.root)
else -> it
}
}
value.copy(children = mappedChildren)
}
}
private suspend fun visitTypeAliasDescriptor(descriptor: TypeAliasDescriptor) =
with(descriptor) {
coroutineScope {
val generics = async { descriptor.declaredTypeParameters.parallelMap { it.toVariantTypeParameter() } }
val info = buildAncestryInformation(defaultType).copy(
superclass = buildAncestryInformation(underlyingType),
interfaces = emptyList()
)
DTypeAlias(
dri = DRI.from(this@with),
name = name.asString(),
type = defaultType.toBound(),
expectPresentInSet = null,
underlyingType = underlyingType.toBound().toSourceSetDependent(),
visibility = visibility.toDokkaVisibility().toSourceSetDependent(),
documentation = resolveDescriptorData(),
sourceSets = setOf(sourceSet),
generics = generics.await(),
extra = PropertyContainer.withAll(
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
info.exceptionInSupertypesOrNull(),
)
)
}
}
private suspend fun parameter(index: Int, descriptor: ValueParameterDescriptor, parent: DRIWithPlatformInfo) =
DParameter(
dri = parent.dri.copy(target = PointingToCallableParameters(index)),
name = descriptor.name.asString(),
type = descriptor.varargElementType?.toBound() ?: descriptor.type.toBound(),
expectPresentInSet = null,
documentation = descriptor.resolveDescriptorData(),
sourceSets = setOf(sourceSet),
extra = PropertyContainer.withAll(listOfNotNull(
descriptor.additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
descriptor.getAnnotations().toSourceSetDependent().toAnnotations(),
descriptor.getDefaultValue()?.let { DefaultValue(it.toSourceSetDependent()) }
))
)
private data class DescriptorsWithKind(
val functions: List<FunctionDescriptor>,
val properties: List<PropertyDescriptor>,
val classlikes: List<ClassDescriptor>,
val typealiases: List<TypeAliasDescriptor>,
val enumEntries: List<ClassDescriptor>
)
private fun MemberScope.getDescriptorsWithKind(shouldFilter: Boolean = false): DescriptorsWithKind {
val descriptors = getContributedDescriptors { true }.let {
if (shouldFilter) it.filterDescriptorsInSourceSet() else it
}
class EnumEntryDescriptor
val groupedDescriptors = descriptors.groupBy {
when {
it is FunctionDescriptor -> FunctionDescriptor::class
it is PropertyDescriptor -> PropertyDescriptor::class
it is ClassDescriptor && it.kind != ClassKind.ENUM_ENTRY -> ClassDescriptor::class
it is TypeAliasDescriptor -> TypeAliasDescriptor::class
it is ClassDescriptor && it.kind == ClassKind.ENUM_ENTRY -> EnumEntryDescriptor::class
else -> IllegalStateException::class
}
}
@Suppress("UNCHECKED_CAST")
return DescriptorsWithKind(
(groupedDescriptors[FunctionDescriptor::class] ?: emptyList()) as List<FunctionDescriptor>,
(groupedDescriptors[PropertyDescriptor::class] ?: emptyList()) as List<PropertyDescriptor>,
(groupedDescriptors[ClassDescriptor::class] ?: emptyList()) as List<ClassDescriptor>,
(groupedDescriptors[TypeAliasDescriptor::class] ?: emptyList()) as List<TypeAliasDescriptor>,
(groupedDescriptors[EnumEntryDescriptor::class] ?: emptyList()) as List<ClassDescriptor>
)
}
private suspend fun List<FunctionDescriptor>.visitFunctions(parent: DRIWithPlatformInfo): List<DFunction> =
coroutineScope { parallelMap { visitFunctionDescriptor(it, parent) } }
private suspend fun List<PropertyDescriptor>.visitProperties(
parent: DRIWithPlatformInfo,
implicitAccessors: Map<PropertyDescriptor, DescriptorAccessorHolder> = emptyMap(),
): List<DProperty> {
return coroutineScope {
parallelMap {
visitPropertyDescriptor(it, implicitAccessors[it], parent)
}
}
}
private suspend fun List<ClassDescriptor>.visitClasslikes(parent: DRIWithPlatformInfo): List<DClasslike> =
coroutineScope { parallelMap { visitClassDescriptor(it, parent) } }
private suspend fun List<TypeAliasDescriptor>.visitTypealiases(): List<DTypeAlias> =
coroutineScope { parallelMap { visitTypeAliasDescriptor(it) } }
private suspend fun List<ClassDescriptor>.visitEnumEntries(parent: DRIWithPlatformInfo): List<DEnumEntry> =
coroutineScope { parallelMap { visitEnumEntryDescriptor(it, parent) } }
private fun DeclarationDescriptor.resolveDescriptorData(): SourceSetDependent<DocumentationNode> =
getDocumentation()?.toSourceSetDependent() ?: emptyMap()
private suspend fun toTypeConstructor(kt: KotlinType) =
GenericTypeConstructor(
DRI.from(kt.constructor.declarationDescriptor as DeclarationDescriptor),
kt.arguments.map { it.toProjection() },
extra = PropertyContainer.withAll(kt.getAnnotations().toSourceSetDependent().toAnnotations())
)
private suspend fun buildAncestryInformation(
kotlinType: KotlinType
): AncestryNode {
val (interfaces, superclass) = kotlinType.immediateSupertypes().filterNot { it.isAnyOrNullableAny() }
.partition {
val declaration = it.constructor.declarationDescriptor
val descriptor = declaration as? ClassDescriptor
?: (declaration as? TypeAliasDescriptor)?.underlyingType?.constructor?.declarationDescriptor as? ClassDescriptor
descriptor?.kind == ClassKind.INTERFACE
}
return coroutineScope {
AncestryNode(
typeConstructor = toTypeConstructor(kotlinType),
superclass = superclass.parallelMap(::buildAncestryInformation).singleOrNull(),
interfaces = interfaces.parallelMap(::buildAncestryInformation)
)
}
}
private suspend fun ClassDescriptor.resolveClassDescriptionData(): ClassInfo {
return coroutineScope {
ClassInfo(
buildAncestryInformation(this@resolveClassDescriptionData.defaultType),
resolveDescriptorData()
)
}
}
private suspend fun TypeParameterDescriptor.toVariantTypeParameter() =
DTypeParameter(
variantTypeParameter(
TypeParameter(DRI.from(this), name.identifier, annotations.getPresentableName())
),
resolveDescriptorData(),
null,
upperBounds.map { it.toBound() },
setOf(sourceSet),
extra = PropertyContainer.withAll(
additionalExtras().toSourceSetDependent().toAdditionalModifiers(),
getAnnotations().toSourceSetDependent().toAnnotations()
)
)
private fun org.jetbrains.kotlin.descriptors.annotations.Annotations.getPresentableName(): String? =
mapNotNull { it.toAnnotation() }.singleOrNull { it.dri.classNames == "ParameterName" }?.params?.get("name")
.safeAs<StringValue>()?.value?.let { unquotedValue(it) }
private suspend fun KotlinType.toBound(): Bound {
suspend fun <T : AnnotationTarget> annotations(): PropertyContainer<T> =
getAnnotations().takeIf { it.isNotEmpty() }?.let { annotations ->
PropertyContainer.withAll(annotations.toSourceSetDependent().toAnnotations())
} ?: PropertyContainer.empty()
return when (this) {
is DynamicType -> Dynamic
is AbbreviatedType -> TypeAliased(
abbreviation.toBound(),
expandedType.toBound(),
annotations()
)
is DefinitelyNotNullType -> DefinitelyNonNullable(
original.toBound()
)
else -> when (val ctor = constructor.declarationDescriptor) {
is TypeParameterDescriptor -> TypeParameter(
dri = DRI.from(ctor),
name = ctor.name.asString(),
presentableName = annotations.getPresentableName(),
extra = annotations()
)
is FunctionClassDescriptor -> FunctionalTypeConstructor(
DRI.from(ctor),
arguments.map { it.toProjection() },
isExtensionFunction = isExtensionFunctionType || isBuiltinExtensionFunctionalType,
isSuspendable = isSuspendFunctionTypeOrSubtype,
presentableName = annotations.getPresentableName(),
extra = annotations()
)
else -> GenericTypeConstructor(
DRI.from(ctor!!), // TODO: remove '!!'
arguments.map { it.toProjection() },
annotations.getPresentableName(),
extra = annotations()
)
}.let {
if (isMarkedNullable) Nullable(it) else it
}
}
}
private suspend fun TypeProjection.toProjection(): Projection =
if (isStarProjection) Star else formPossiblyVariant()
private suspend fun TypeProjection.formPossiblyVariant(): Projection =
type.toBound().wrapWithVariance(projectionKind)
private fun TypeParameterDescriptor.variantTypeParameter(type: TypeParameter) =
type.wrapWithVariance(variance)
private fun <T : Bound> T.wrapWithVariance(variance: org.jetbrains.kotlin.types.Variance) =
when (variance) {
org.jetbrains.kotlin.types.Variance.INVARIANT -> Invariance(this)
org.jetbrains.kotlin.types.Variance.IN_VARIANCE -> Contravariance(this)
org.jetbrains.kotlin.types.Variance.OUT_VARIANCE -> Covariance(this)
}
private fun DeclarationDescriptor.getDocumentation() = (findKDoc()?.let {
MarkdownParser.parseFromKDocTag(
kDocTag = it,
externalDri = { link: String ->
try {
resolveKDocLink(
context = resolutionFacade.resolveSession.bindingContext,
resolutionFacade = resolutionFacade,
fromDescriptor = this,
fromSubjectOfTag = null,
qualifiedName = link.split('.')
).firstOrNull()?.let { DRI.from(it) }
} catch (e1: IllegalArgumentException) {
logger.warn("Couldn't resolve link for $link")
null
}
},
kdocLocation = toSourceElement.containingFile.name?.let {
val fqName = fqNameOrNull()?.asString()
if (fqName != null) "$it/$fqName"
else it
}
)
} ?: getJavaDocs())?.takeIf { it.children.isNotEmpty() }
private fun DeclarationDescriptor.getJavaDocs(): DocumentationNode? {
val overriddenDescriptors = (this as? CallableDescriptor)?.overriddenDescriptors ?: emptyList()
val allDescriptors = overriddenDescriptors + listOf(this)