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[Analysis API] Implement separate caching for unstable dangling files

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PSI events do not arrive for dangling files with no backing
'VirtualFile', so its partial invalidation becomes non-trivial.
In the change, a short-living cache is implemented for these 'unstable'
dangling files.
This commit is contained in:
Yan Zhulanow
2023-11-15 16:18:31 +09:00
committed by Space Team
parent 9c91158be6
commit 6bbd252c07
6 changed files with 93 additions and 20 deletions
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analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/KtFirAnalysisSessionProvider.kt
+8
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@@ -20,8 +20,10 @@ import org.jetbrains.kotlin.analysis.api.session.KtAnalysisSessionProvider
import org.jetbrains.kotlin.analysis.low.level.api.fir.LLFirInternals
import org.jetbrains.kotlin.analysis.low.level.api.fir.api.getFirResolveSession
import org.jetbrains.kotlin.analysis.low.level.api.fir.file.structure.LLFirDeclarationModificationService
import org.jetbrains.kotlin.analysis.project.structure.KtDanglingFileModule
import org.jetbrains.kotlin.analysis.project.structure.KtModule
import org.jetbrains.kotlin.analysis.project.structure.ProjectStructureProvider
import org.jetbrains.kotlin.analysis.project.structure.isStable
import org.jetbrains.kotlin.analysis.providers.createProjectWideOutOfBlockModificationTracker
import org.jetbrains.kotlin.psi.KtElement
import java.util.concurrent.ConcurrentHashMap
@@ -42,6 +44,12 @@ class KtFirAnalysisSessionProvider(project: Project) : KtAnalysisSessionProvider
}
override fun getAnalysisSessionByUseSiteKtModule(useSiteKtModule: KtModule): KtAnalysisSession {
if (useSiteKtModule is KtDanglingFileModule && !useSiteKtModule.isStable) {
val firResolveSession = useSiteKtModule.getFirResolveSession(project)
val validityToken = tokenFactory.create(project)
return KtFirAnalysisSession.createAnalysisSessionByFirResolveSession(firResolveSession, validityToken)
}
val identifier = tokenFactory.identifier
identifier.flushPendingChanges(project)