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FIR: replace ConeComposedSubstitutor with ChainedSubstitutor

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This commit is contained in:
Mikhail Glukhikh
2021-11-17 11:44:59 +03:00
committed by teamcity
parent 52145e0623
commit 1e41ec7d22
2 changed files with 2 additions and 9 deletions
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compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/FirBuilderInferenceSession.kt
+2 -8
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@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.fir.expressions.FirStatement
import org.jetbrains.kotlin.fir.resolve.calls.Candidate
import org.jetbrains.kotlin.fir.resolve.calls.ResolutionContext
import org.jetbrains.kotlin.fir.resolve.inference.model.ConeBuilderInferenceSubstitutionConstraintPosition
import org.jetbrains.kotlin.fir.resolve.substitution.ChainedSubstitutor
import org.jetbrains.kotlin.fir.resolve.substitution.ConeSubstitutor
import org.jetbrains.kotlin.fir.types.*
import org.jetbrains.kotlin.fir.visitors.FirDefaultTransformer
@@ -249,7 +250,7 @@ class FirBuilderInferenceSession(
private fun updateCalls(commonSystem: NewConstraintSystemImpl) {
val nonFixedToVariablesSubstitutor = createNonFixedTypeToVariableSubstitutor()
val commonSystemSubstitutor = commonSystem.buildCurrentSubstitutor() as ConeSubstitutor
val nonFixedTypesToResultSubstitutor = ConeComposedSubstitutor(commonSystemSubstitutor, nonFixedToVariablesSubstitutor)
val nonFixedTypesToResultSubstitutor = ChainedSubstitutor(nonFixedToVariablesSubstitutor, commonSystemSubstitutor)
val stubTypeSubstitutor = FirStubTypeTransformer(nonFixedTypesToResultSubstitutor)
lambda.transformSingle(stubTypeSubstitutor, null)
@@ -263,13 +264,6 @@ class FirBuilderInferenceSession(
}
}
class ConeComposedSubstitutor(val left: ConeSubstitutor, val right: ConeSubstitutor) : ConeSubstitutor() {
override fun substituteOrNull(type: ConeKotlinType): ConeKotlinType? {
val rightSubstitution = right.substituteOrNull(type)
return left.substituteOrNull(rightSubstitution ?: type)
}
}
class FirStubTypeTransformer(
private val substitutor: ConeSubstitutor
) : FirDefaultTransformer<Nothing?>() {