src/main/kotlin/platform/mixin/handlers/MixinAnnotationHandler.kt diff

← → edited src/main/kotlin/platform/mixin/handlers/MixinAnnotationHandler.kt

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⁠ llamalad7: Feature/mixin quantifiers (#2643 )

* Refactor: Split MemberInfo and MemberReference.

Mixin MemberInfo strings are only tangentially related to concrete MemberReferences. We also introduce a MemberMatcher superinterface for resolving things.

* Refactor: Parse MemberInfos properly and represent Quantifiers.

* Fix: Handle all cases properly in AmbiguousReferenceInspection.

Really nothing is "ambiguous" (except perhaps to the reader), it's just that Mixin's default behaviour of matching the first method in a given class is unexpected, but I'll leave the terminology for now. Adding any explicit quantifier suppresses this inspection, including `{1}` if that's really what's desired.

Additionally, adding a wildcard is almost never the correct fix. Choosing one of the available descriptors is what should be offered instead, but I'll leave that too for now.

* New: Handle maximum values in quantifiers.

* Fix: Fix incorrect filter stats emptiness check.

Causes targets not to show as unresolved when they should.

* New: Handle minimum values in quantifiers.

* Fix: Account for individual Mixin `method` strings contributing multiple methods.

* Fix: Don't report injector signature issues in methods where we find no targets.

* Move insn resolution failure message to field in failure class, and add message for min quantifier not satisfied

---------

Co-authored-by: joe <[email protected]>

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/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.platform.mixin.handlers

import com.demonwav.mcdev.asset.MixinAssets
import com.demonwav.mcdev.platform.mixin.handlers.injectionPoint.InsnResolutionInfo
import com.demonwav.mcdev.platform.mixin.util.MixinConstants
import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember
import com.demonwav.mcdev.platform.mixin.util.mixinTargets
import com.demonwav.mcdev.util.cached
import com.demonwav.mcdev.util.findAnnotation
import com.demonwav.mcdev.util.findContainingClass
import com.demonwav.mcdev.util.resolveClass
import com.intellij.openapi.extensions.ExtensionPointName
import com.intellij.openapi.extensions.RequiredElement
import com.intellij.openapi.project.Project
import com.intellij.openapi.util.KeyedExtensionCollector
import com.intellij.psi.JavaPsiFacade
import com.intellij.psi.PsiAnnotation
import com.intellij.psi.PsiElement
import com.intellij.psi.search.GlobalSearchScope
import com.intellij.psi.search.searches.AnnotatedElementsSearch
import com.intellij.psi.util.CachedValueProvider
import com.intellij.psi.util.CachedValuesManager
import com.intellij.psi.util.PsiModificationTracker
import com.intellij.serviceContainer.BaseKeyedLazyInstance
import com.intellij.util.KeyedLazyInstance
import com.intellij.util.xmlb.annotations.Attribute
import javax.swing.Icon
import org.objectweb.asm.tree.ClassNode

interface MixinAnnotationHandler {

fun resolveTarget(annotation: PsiAnnotation, targetClass: ClassNode): List<MixinTargetMember>

fun isUnresolved(annotation: PsiAnnotation): InsnResolutionInfo.Failure? {
val containingClass = annotation.findContainingClass() ?: return InsnResolutionInfo.Failure()
return containingClass.mixinTargets
.mapNotNull { isUnresolved(annotation, it) }
.reduceOrNull(InsnResolutionInfo.Failure::combine)
}

fun isUnresolved(annotation: PsiAnnotation, targetClass: ClassNode): InsnResolutionInfo.Failure?

fun resolveForNavigation(annotation: PsiAnnotation): List<PsiElement> {
val containingClass = annotation.findContainingClass() ?: return emptyList()
return containingClass.mixinTargets.flatMap { resolveForNavigation(annotation, it) }
}

fun resolveForNavigation(annotation: PsiAnnotation, targetClass: ClassNode): List<PsiElement>

fun createUnresolvedMessage(annotation: PsiAnnotation): String?

/**
* Returns true if we don't actually know the implementation of the annotation, and we're just making
* a guess. Prevents unresolved errors but still attempts navigation
*/
val isSoft: Boolean get() = false

/**
* Returns whether elements annotated with this annotation should not be reported as unused
*/
val isImplicitlyUsed: Boolean

val icon: Icon get() = MixinAssets.MIXIN_ELEMENT_ICON

companion object {
private val EP_NAME = ExtensionPointName<KeyedLazyInstance<MixinAnnotationHandler>>(
"com.demonwav.minecraft-dev.mixinAnnotationHandler",
)
private val COLLECTOR = KeyedExtensionCollector<MixinAnnotationHandler, String>(EP_NAME)

fun getBuiltinHandlers(): Sequence<Pair<String, MixinAnnotationHandler>> =
EP_NAME.extensions.asSequence().map { it.key to it.instance }

fun forMixinAnnotation(annotation: PsiAnnotation, project: Project = annotation.project): MixinAnnotationHandler? {
val qName = annotation.qualifiedName ?: return null
return forMixinAnnotation(qName, project)
}

fun forMixinAnnotation(qualifiedName: String, project: Project? = null): MixinAnnotationHandler? {
val extension = COLLECTOR.findSingle(qualifiedName)
if (extension != null) {
return extension
}

if (project != null) {
val extraMixinAnnotations = CachedValuesManager.getManager(project).getCachedValue(project) {
val result = JavaPsiFacade.getInstance(project)
.findClass(MixinConstants.Annotations.ANNOTATION_TYPE, GlobalSearchScope.allScope(project))
?.let { annotationType ->
AnnotatedElementsSearch.searchPsiClasses(
annotationType,
GlobalSearchScope.allScope(project),
).mapNotNull { injectionInfoClass ->
injectionInfoClass.findAnnotation(MixinConstants.Annotations.ANNOTATION_TYPE)
?.findAttributeValue("value")
?.resolveClass()
?.qualifiedName
}.toSet()
} ?: emptySet()
CachedValueProvider.Result(result, PsiModificationTracker.MODIFICATION_COUNT)
}
if (extraMixinAnnotations != null && qualifiedName in extraMixinAnnotations) {
return DefaultInjectorAnnotationHandler
}
}

return null
}

fun resolveTarget(annotation: PsiAnnotation): List<MixinTargetMember> {
return annotation.cached(PsiModificationTracker.MODIFICATION_COUNT) {
val handler = forMixinAnnotation(annotation) ?: return@cached emptyList()
val containingClass = annotation.findContainingClass() ?: return@cached emptyList()
containingClass.mixinTargets.flatMap { handler.resolveTarget(annotation, it) }
}
}
}
}

class MixinAnnotationHandlerInfo :
BaseKeyedLazyInstance<MixinAnnotationHandler>(), KeyedLazyInstance<MixinAnnotationHandler> {

@Attribute("annotation")
@RequiredElement
lateinit var annotation: String

@Attribute("implementation")
@RequiredElement
lateinit var implementation: String

override fun getKey(): String {
return annotation
}

override fun getImplementationClassName(): String {
return implementation
}
}

/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.platform.mixin.handlers

import com.demonwav.mcdev.asset.MixinAssets
import com.demonwav.mcdev.platform.mixin.handlers.injectionPoint.InsnResolutionInfo
import com.demonwav.mcdev.platform.mixin.util.MixinConstants
import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember
import com.demonwav.mcdev.platform.mixin.util.mixinTargets
import com.demonwav.mcdev.util.cached
import com.demonwav.mcdev.util.findAnnotation
import com.demonwav.mcdev.util.findContainingClass
import com.demonwav.mcdev.util.resolveClass
import com.intellij.openapi.extensions.ExtensionPointName
import com.intellij.openapi.extensions.RequiredElement
import com.intellij.openapi.project.Project
import com.intellij.openapi.util.KeyedExtensionCollector
import com.intellij.psi.JavaPsiFacade
import com.intellij.psi.PsiAnnotation
import com.intellij.psi.PsiElement
import com.intellij.psi.search.GlobalSearchScope
import com.intellij.psi.search.searches.AnnotatedElementsSearch
import com.intellij.psi.util.CachedValueProvider
import com.intellij.psi.util.CachedValuesManager
import com.intellij.psi.util.PsiModificationTracker
import com.intellij.serviceContainer.BaseKeyedLazyInstance
import com.intellij.util.KeyedLazyInstance
import com.intellij.util.xmlb.annotations.Attribute
import javax.swing.Icon
import org.objectweb.asm.tree.ClassNode

interface MixinAnnotationHandler {

fun resolveTarget(annotation: PsiAnnotation, targetClass: ClassNode): List<MixinTargetMember>

fun isUnresolved(annotation: PsiAnnotation): InsnResolutionInfo.Failure? {
val containingClass = annotation.findContainingClass() ?: return null // no containing mixin, don't show unresolved error
return containingClass.mixinTargets
.mapNotNull { isUnresolved(annotation, it) }
.reduceOrNull(InsnResolutionInfo.Failure::combine)
}

fun isUnresolved(annotation: PsiAnnotation, targetClass: ClassNode): InsnResolutionInfo.Failure?

fun resolveForNavigation(annotation: PsiAnnotation): List<PsiElement> {
val containingClass = annotation.findContainingClass() ?: return emptyList()
return containingClass.mixinTargets.flatMap { resolveForNavigation(annotation, it) }
}

fun resolveForNavigation(annotation: PsiAnnotation, targetClass: ClassNode): List<PsiElement>

/**
* Returns true if we don't actually know the implementation of the annotation, and we're just making
* a guess. Prevents unresolved errors but still attempts navigation
*/
val isSoft: Boolean get() = false

/**
* Returns whether elements annotated with this annotation should not be reported as unused
*/
val isImplicitlyUsed: Boolean

val icon: Icon get() = MixinAssets.MIXIN_ELEMENT_ICON

companion object {
private val EP_NAME = ExtensionPointName<KeyedLazyInstance<MixinAnnotationHandler>>(
"com.demonwav.minecraft-dev.mixinAnnotationHandler",
)
private val COLLECTOR = KeyedExtensionCollector<MixinAnnotationHandler, String>(EP_NAME)

fun getBuiltinHandlers(): Sequence<Pair<String, MixinAnnotationHandler>> =
EP_NAME.extensions.asSequence().map { it.key to it.instance }

fun forMixinAnnotation(annotation: PsiAnnotation, project: Project = annotation.project): MixinAnnotationHandler? {
val qName = annotation.qualifiedName ?: return null
return forMixinAnnotation(qName, project)
}

fun forMixinAnnotation(qualifiedName: String, project: Project? = null): MixinAnnotationHandler? {
val extension = COLLECTOR.findSingle(qualifiedName)
if (extension != null) {
return extension
}

if (project != null) {
val extraMixinAnnotations = CachedValuesManager.getManager(project).getCachedValue(project) {
val result = JavaPsiFacade.getInstance(project)
.findClass(MixinConstants.Annotations.ANNOTATION_TYPE, GlobalSearchScope.allScope(project))
?.let { annotationType ->
AnnotatedElementsSearch.searchPsiClasses(
annotationType,
GlobalSearchScope.allScope(project),
).mapNotNull { injectionInfoClass ->
injectionInfoClass.findAnnotation(MixinConstants.Annotations.ANNOTATION_TYPE)
?.findAttributeValue("value")
?.resolveClass()
?.qualifiedName
}.toSet()
} ?: emptySet()
CachedValueProvider.Result(result, PsiModificationTracker.MODIFICATION_COUNT)
}
if (extraMixinAnnotations != null && qualifiedName in extraMixinAnnotations) {
return DefaultInjectorAnnotationHandler
}
}

return null
}

fun resolveTarget(annotation: PsiAnnotation): List<MixinTargetMember> {
return annotation.cached(PsiModificationTracker.MODIFICATION_COUNT) {
val handler = forMixinAnnotation(annotation) ?: return@cached emptyList()
val containingClass = annotation.findContainingClass() ?: return@cached emptyList()
containingClass.mixinTargets.flatMap { handler.resolveTarget(annotation, it) }
}
}
}
}

class MixinAnnotationHandlerInfo :
BaseKeyedLazyInstance<MixinAnnotationHandler>(), KeyedLazyInstance<MixinAnnotationHandler> {

@Attribute("annotation")
@RequiredElement
lateinit var annotation: String

@Attribute("implementation")
@RequiredElement
lateinit var implementation: String

override fun getKey(): String {
return annotation
}

override fun getImplementationClassName(): String {
return implementation
}
}

/* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.platform.mixin.handlers import com.demonwav.mcdev.asset.MixinAssets import com.demonwav.mcdev.platform.mixin.handlers.injectionPoint.InsnResolutionInfo import com.demonwav.mcdev.platform.mixin.util.MixinConstants import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember import com.demonwav.mcdev.platform.mixin.util.mixinTargets import com.demonwav.mcdev.util.cached import com.demonwav.mcdev.util.findAnnotation import com.demonwav.mcdev.util.findContainingClass import com.demonwav.mcdev.util.resolveClass import com.intellij.openapi.extensions.ExtensionPointName import com.intellij.openapi.extensions.RequiredElement import com.intellij.openapi.project.Project import com.intellij.openapi.util.KeyedExtensionCollector import com.intellij.psi.JavaPsiFacade import com.intellij.psi.PsiAnnotation import com.intellij.psi.PsiElement import com.intellij.psi.search.GlobalSearchScope import com.intellij.psi.search.searches.AnnotatedElementsSearch import com.intellij.psi.util.CachedValueProvider import com.intellij.psi.util.CachedValuesManager import com.intellij.psi.util.PsiModificationTracker import com.intellij.serviceContainer.BaseKeyedLazyInstance import com.intellij.util.KeyedLazyInstance import com.intellij.util.xmlb.annotations.Attribute import javax.swing.Icon import org.objectweb.asm.tree.ClassNode interface MixinAnnotationHandler { fun resolveTarget(annotation: PsiAnnotation, targetClass: ClassNode): List<MixinTargetMember> fun isUnresolved(annotation: PsiAnnotation): InsnResolutionInfo.Failure? { val containingClass = annotation.findContainingClass() ?: return InsnResolutionInfo.Failure() return containingClass.mixinTargets .mapNotNull { isUnresolved(annotation, it) } .reduceOrNull(InsnResolutionInfo.Failure::combine) } fun isUnresolved(annotation: PsiAnnotation, targetClass: ClassNode): InsnResolutionInfo.Failure? fun resolveForNavigation(annotation: PsiAnnotation): List<PsiElement> { val containingClass = annotation.findContainingClass() ?: return emptyList() return containingClass.mixinTargets.flatMap { resolveForNavigation(annotation, it) } } fun resolveForNavigation(annotation: PsiAnnotation, targetClass: ClassNode): List<PsiElement> fun createUnresolvedMessage(annotation: PsiAnnotation): String? /** * Returns true if we don't actually know the implementation of the annotation, and we're just making * a guess. Prevents unresolved errors but still attempts navigation */ val isSoft: Boolean get() = false /** * Returns whether elements annotated with this annotation should not be reported as unused */ val isImplicitlyUsed: Boolean val icon: Icon get() = MixinAssets.MIXIN_ELEMENT_ICON companion object { private val EP_NAME = ExtensionPointName<KeyedLazyInstance<MixinAnnotationHandler>>( "com.demonwav.minecraft-dev.mixinAnnotationHandler", ) private val COLLECTOR = KeyedExtensionCollector<MixinAnnotationHandler, String>(EP_NAME) fun getBuiltinHandlers(): Sequence<Pair<String, MixinAnnotationHandler>> = EP_NAME.extensions.asSequence().map { it.key to it.instance } fun forMixinAnnotation(annotation: PsiAnnotation, project: Project = annotation.project): MixinAnnotationHandler? { val qName = annotation.qualifiedName ?: return null return forMixinAnnotation(qName, project) } fun forMixinAnnotation(qualifiedName: String, project: Project? = null): MixinAnnotationHandler? { val extension = COLLECTOR.findSingle(qualifiedName) if (extension != null) { return extension } if (project != null) { val extraMixinAnnotations = CachedValuesManager.getManager(project).getCachedValue(project) { val result = JavaPsiFacade.getInstance(project) .findClass(MixinConstants.Annotations.ANNOTATION_TYPE, GlobalSearchScope.allScope(project)) ?.let { annotationType -> AnnotatedElementsSearch.searchPsiClasses( annotationType, GlobalSearchScope.allScope(project), ).mapNotNull { injectionInfoClass -> injectionInfoClass.findAnnotation(MixinConstants.Annotations.ANNOTATION_TYPE) ?.findAttributeValue("value") ?.resolveClass() ?.qualifiedName }.toSet() } ?: emptySet() CachedValueProvider.Result(result, PsiModificationTracker.MODIFICATION_COUNT) } if (extraMixinAnnotations != null && qualifiedName in extraMixinAnnotations) { return DefaultInjectorAnnotationHandler } } return null } fun resolveTarget(annotation: PsiAnnotation): List<MixinTargetMember> { return annotation.cached(PsiModificationTracker.MODIFICATION_COUNT) { val handler = forMixinAnnotation(annotation) ?: return@cached emptyList() val containingClass = annotation.findContainingClass() ?: return@cached emptyList() containingClass.mixinTargets.flatMap { handler.resolveTarget(annotation, it) } } } } } class MixinAnnotationHandlerInfo : BaseKeyedLazyInstance<MixinAnnotationHandler>(), KeyedLazyInstance<MixinAnnotationHandler> { @Attribute("annotation") @RequiredElement lateinit var annotation: String @Attribute("implementation") @RequiredElement lateinit var implementation: String override fun getKey(): String { return annotation } override fun getImplementationClassName(): String { return implementation } } /* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.platform.mixin.handlers import com.demonwav.mcdev.asset.MixinAssets import com.demonwav.mcdev.platform.mixin.handlers.injectionPoint.InsnResolutionInfo import com.demonwav.mcdev.platform.mixin.util.MixinConstants import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember import com.demonwav.mcdev.platform.mixin.util.mixinTargets import com.demonwav.mcdev.util.cached import com.demonwav.mcdev.util.findAnnotation import com.demonwav.mcdev.util.findContainingClass import com.demonwav.mcdev.util.resolveClass import com.intellij.openapi.extensions.ExtensionPointName import com.intellij.openapi.extensions.RequiredElement import com.intellij.openapi.project.Project import com.intellij.openapi.util.KeyedExtensionCollector import com.intellij.psi.JavaPsiFacade import com.intellij.psi.PsiAnnotation import com.intellij.psi.PsiElement import com.intellij.psi.search.GlobalSearchScope import com.intellij.psi.search.searches.AnnotatedElementsSearch import com.intellij.psi.util.CachedValueProvider import com.intellij.psi.util.CachedValuesManager import com.intellij.psi.util.PsiModificationTracker import com.intellij.serviceContainer.BaseKeyedLazyInstance import com.intellij.util.KeyedLazyInstance import com.intellij.util.xmlb.annotations.Attribute import javax.swing.Icon import org.objectweb.asm.tree.ClassNode interface MixinAnnotationHandler { fun resolveTarget(annotation: PsiAnnotation, targetClass: ClassNode): List<MixinTargetMember> fun isUnresolved(annotation: PsiAnnotation): InsnResolutionInfo.Failure? { val containingClass = annotation.findContainingClass() ?: return null // no containing mixin, don't show unresolved error return containingClass.mixinTargets .mapNotNull { isUnresolved(annotation, it) } .reduceOrNull(InsnResolutionInfo.Failure::combine) } fun isUnresolved(annotation: PsiAnnotation, targetClass: ClassNode): InsnResolutionInfo.Failure? fun resolveForNavigation(annotation: PsiAnnotation): List<PsiElement> { val containingClass = annotation.findContainingClass() ?: return emptyList() return containingClass.mixinTargets.flatMap { resolveForNavigation(annotation, it) } } fun resolveForNavigation(annotation: PsiAnnotation, targetClass: ClassNode): List<PsiElement> /** * Returns true if we don't actually know the implementation of the annotation, and we're just making * a guess. Prevents unresolved errors but still attempts navigation */ val isSoft: Boolean get() = false /** * Returns whether elements annotated with this annotation should not be reported as unused */ val isImplicitlyUsed: Boolean val icon: Icon get() = MixinAssets.MIXIN_ELEMENT_ICON companion object { private val EP_NAME = ExtensionPointName<KeyedLazyInstance<MixinAnnotationHandler>>( "com.demonwav.minecraft-dev.mixinAnnotationHandler", ) private val COLLECTOR = KeyedExtensionCollector<MixinAnnotationHandler, String>(EP_NAME) fun getBuiltinHandlers(): Sequence<Pair<String, MixinAnnotationHandler>> = EP_NAME.extensions.asSequence().map { it.key to it.instance } fun forMixinAnnotation(annotation: PsiAnnotation, project: Project = annotation.project): MixinAnnotationHandler? { val qName = annotation.qualifiedName ?: return null return forMixinAnnotation(qName, project) } fun forMixinAnnotation(qualifiedName: String, project: Project? = null): MixinAnnotationHandler? { val extension = COLLECTOR.findSingle(qualifiedName) if (extension != null) { return extension } if (project != null) { val extraMixinAnnotations = CachedValuesManager.getManager(project).getCachedValue(project) { val result = JavaPsiFacade.getInstance(project) .findClass(MixinConstants.Annotations.ANNOTATION_TYPE, GlobalSearchScope.allScope(project)) ?.let { annotationType -> AnnotatedElementsSearch.searchPsiClasses( annotationType, GlobalSearchScope.allScope(project), ).mapNotNull { injectionInfoClass -> injectionInfoClass.findAnnotation(MixinConstants.Annotations.ANNOTATION_TYPE) ?.findAttributeValue("value") ?.resolveClass() ?.qualifiedName }.toSet() } ?: emptySet() CachedValueProvider.Result(result, PsiModificationTracker.MODIFICATION_COUNT) } if (extraMixinAnnotations != null && qualifiedName in extraMixinAnnotations) { return DefaultInjectorAnnotationHandler } } return null } fun resolveTarget(annotation: PsiAnnotation): List<MixinTargetMember> { return annotation.cached(PsiModificationTracker.MODIFICATION_COUNT) { val handler = forMixinAnnotation(annotation) ?: return@cached emptyList() val containingClass = annotation.findContainingClass() ?: return@cached emptyList() containingClass.mixinTargets.flatMap { handler.resolveTarget(annotation, it) } } } } } class MixinAnnotationHandlerInfo : BaseKeyedLazyInstance<MixinAnnotationHandler>(), KeyedLazyInstance<MixinAnnotationHandler> { @Attribute("annotation") @RequiredElement lateinit var annotation: String @Attribute("implementation") @RequiredElement lateinit var implementation: String override fun getKey(): String { return annotation } override fun getImplementationClassName(): String { return implementation } }

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