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[FIR] Never create ConeSubstitutorByMap with empty substitution

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Relates to KT-66323
This commit is contained in:
Dmitriy Novozhilov
2024-03-04 08:51:37 +02:00
committed by Space Team
parent 6c691b497a
commit 624bea3ecf
16 changed files with 57 additions and 27 deletions
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compiler/fir/cones/src/org/jetbrains/kotlin/fir/resolve/substitution/ConeSubstitutor.kt
+6
View File
@@ -6,11 +6,13 @@
package org.jetbrains.kotlin.fir.resolve.substitution
import org.jetbrains.kotlin.fir.types.ConeKotlinType
import org.jetbrains.kotlin.fir.types.ConeTypeProjection
import org.jetbrains.kotlin.types.model.TypeSubstitutorMarker
abstract class ConeSubstitutor : TypeSubstitutorMarker {
open fun substituteOrSelf(type: ConeKotlinType): ConeKotlinType = substituteOrNull(type) ?: type
abstract fun substituteOrNull(type: ConeKotlinType): ConeKotlinType?
abstract fun substituteArgument(projection: ConeTypeProjection, index: Int): ConeTypeProjection?
object Empty : ConeSubstitutor() {
override fun substituteOrSelf(type: ConeKotlinType): ConeKotlinType {
@@ -21,6 +23,10 @@ abstract class ConeSubstitutor : TypeSubstitutorMarker {
return null
}
override fun substituteArgument(projection: ConeTypeProjection, index: Int): ConeTypeProjection? {
return null
}
override fun toString(): String = "Empty"
}
}