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FIR IDE: fix redundant

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Apparently there is a race condition when collecting the `fromPhase`.
This causes the same resolver to run multiple times on FIR.

^KT-45121 Fixed
This commit is contained in:
Tianyu Geng
2021-02-23 09:32:47 -08:00
committed by Ilya Kirillov
parent acc2256de9
commit 2484729bd7
1 changed files with 7 additions and 8 deletions
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idea/idea-frontend-fir/idea-fir-low-level-api/src/org/jetbrains/kotlin/idea/fir/low/level/api/lazy/resolve/FirLazyDeclarationResolver.kt
+7 -8
View File
@@ -11,20 +11,17 @@ import org.jetbrains.kotlin.fir.psi
import org.jetbrains.kotlin.fir.render
import org.jetbrains.kotlin.fir.resolve.ResolutionMode
import org.jetbrains.kotlin.fir.resolve.ScopeSession
import org.jetbrains.kotlin.fir.resolve.symbolProvider
import org.jetbrains.kotlin.fir.resolve.providers.FirProvider
import org.jetbrains.kotlin.fir.resolve.symbolProvider
import org.jetbrains.kotlin.idea.fir.low.level.api.element.builder.FirTowerDataContextCollector
import org.jetbrains.kotlin.idea.fir.low.level.api.trasformers.FirDesignatedBodyResolveTransformerForIDE
import org.jetbrains.kotlin.idea.fir.low.level.api.element.builder.getNonLocalContainingOrThisDeclaration
import org.jetbrains.kotlin.idea.fir.low.level.api.file.builder.FirFileBuilder
import org.jetbrains.kotlin.idea.fir.low.level.api.file.builder.ModuleFileCache
import org.jetbrains.kotlin.idea.fir.low.level.api.providers.firIdeProvider
import org.jetbrains.kotlin.idea.fir.low.level.api.trasformers.FirDesignatedBodyResolveTransformerForIDE
import org.jetbrains.kotlin.idea.fir.low.level.api.trasformers.FirDesignatedContractsResolveTransformerForIDE
import org.jetbrains.kotlin.idea.fir.low.level.api.trasformers.FirDesignatedImplicitTypesTransformerForIDE
import org.jetbrains.kotlin.idea.fir.low.level.api.util.*
import org.jetbrains.kotlin.idea.fir.low.level.api.util.checkCanceled
import org.jetbrains.kotlin.idea.fir.low.level.api.util.executeWithoutPCE
import org.jetbrains.kotlin.idea.fir.low.level.api.util.findSourceNonLocalFirDeclaration
import org.jetbrains.kotlin.psi.*
internal class FirLazyDeclarationResolver(
@@ -56,7 +53,11 @@ internal class FirLazyDeclarationResolver(
val firFile = declaration.getContainingFile()
?: error("FirFile was not found for\n${declaration.render()}")
val provider = firFile.session.firIdeProvider
val fromPhase = if (reresolveFile) declaration.resolvePhase else minOf(firFile.resolvePhase, declaration.resolvePhase)
// Lazy since we want to read the resolve phase inside the lock. Otherwise, we may run the same resolve phase multiple times. See
// KT-45121
val fromPhase: FirResolvePhase by lazy(LazyThreadSafetyMode.NONE) {
if (reresolveFile) declaration.resolvePhase else minOf(firFile.resolvePhase, declaration.resolvePhase)
}
if (checkPCE) {
firFileBuilder.runCustomResolveWithPCECheck(firFile, moduleFileCache) {
@@ -232,5 +233,3 @@ internal class FirLazyDeclarationResolver(
private val LAST_NON_LAZY_PHASE = FirResolvePhase.STATUS
}
}