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[FIR] Make Forced FakeOverrideTypeCalculator thread safe

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This commit is contained in:
Dmitriy Novozhilov
2021-09-03 10:04:13 +03:00
committed by TeamCityServer
parent 4f99140c2d
commit 37a34e12d0
1 changed files with 15 additions and 9 deletions
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compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/FakeOverrideTypeCalculator.kt
+15 -9
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@@ -26,15 +26,21 @@ abstract class FakeOverrideTypeCalculator {
object Forced : FakeOverrideTypeCalculator() {
override fun computeReturnType(declaration: FirTypedDeclaration): FirResolvedTypeRef {
(declaration.returnTypeRef as? FirResolvedTypeRef)?.let { return it }
val (substitutor, baseSymbol) = declaration.attributes.fakeOverrideSubstitution ?: error("")
val baseDeclaration = baseSymbol.fir as FirTypedDeclaration
val baseReturnType = computeReturnType(baseDeclaration).type
declaration.attributes.fakeOverrideSubstitution = null
val coneType = substitutor.substituteOrSelf(baseReturnType)
val returnType = declaration.returnTypeRef.resolvedTypeFromPrototype(coneType)
declaration.replaceReturnTypeRef(returnType)
return returnType
val fakeOverrideSubstitution = declaration.attributes.fakeOverrideSubstitution
?: return declaration.returnTypeRef as FirResolvedTypeRef
synchronized(fakeOverrideSubstitution) {
if (declaration.attributes.fakeOverrideSubstitution == null) {
return declaration.returnTypeRef as FirResolvedTypeRef
}
declaration.attributes.fakeOverrideSubstitution = null
val (substitutor, baseSymbol) = fakeOverrideSubstitution
val baseDeclaration = baseSymbol.fir as FirTypedDeclaration
val baseReturnType = computeReturnType(baseDeclaration).type
val coneType = substitutor.substituteOrSelf(baseReturnType)
val returnType = declaration.returnTypeRef.resolvedTypeFromPrototype(coneType)
declaration.replaceReturnTypeRef(returnType)
return returnType
}
}
}
}