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[FIR2IR] Safely access IrSymbol.owner in Fir2IrImplicitCastInserter

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^KT-60924
This commit is contained in:
Dmitriy Novozhilov
2023-08-21 13:12:33 +03:00
committed by Space Team
parent 8b9e3789b4
commit ba4b84a7d0
1 changed files with 9 additions and 3 deletions
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compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrImplicitCastInserter.kt
+9 -3
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@@ -353,12 +353,18 @@ class Fir2IrImplicitCastInserter(
) )
} }
@OptIn(IrSymbolInternals::class)
internal fun implicitNotNullCast(original: IrExpression): IrTypeOperatorCall { internal fun implicitNotNullCast(original: IrExpression): IrTypeOperatorCall {
// Cast type massage 1. Remove @EnhancedNullability // Cast type massage 1. Remove @EnhancedNullability
// Cast type massage 2. Convert it to a non-null variant (in case of @FlexibleNullability) // Cast type massage 2. Convert it to a non-null variant (in case of @FlexibleNullability)
val castType = original.type.removeAnnotations { val castType = original.type.removeAnnotations { annotationCall ->
val classId = it.symbol.owner.parentAsClass.classId val constructorSymbol = annotationCall.symbol.takeIf { it.isBound } ?: return@removeAnnotations false
/*
* @EnhancedNullability and @FlexibleNullability are symbols from builtins and should be already
* bound at the time of body conversion, so it's safe to take the owner for them
* If symbol is unbound then this annotation can not be neither @EnhancedNullability or @FlexibleNullability
*/
@OptIn(IrSymbolInternals::class)
val classId = constructorSymbol.owner.parentAsClass.classId
classId == StandardClassIds.Annotations.EnhancedNullability || classId == StandardClassIds.Annotations.EnhancedNullability ||
classId == StandardClassIds.Annotations.FlexibleNullability classId == StandardClassIds.Annotations.FlexibleNullability
}.makeNotNull() }.makeNotNull()