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[FIR] Properly check when expression in FirConstCheckVisitor

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Added proper checks for `FirWhenSubjectExpression` and
`FirElseIfTrueCondition`
This commit is contained in:
Ivan Kylchik
2023-12-21 01:05:47 +01:00
committed by Space Team
parent 6c3aa6568e
commit e15894e98e
1 changed files with 9 additions and 1 deletions
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compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirConstChecks.kt
+9 -1
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@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.fir.declarations.utils.isConst
import org.jetbrains.kotlin.fir.declarations.utils.isStatic
import org.jetbrains.kotlin.fir.declarations.utils.modality
import org.jetbrains.kotlin.fir.expressions.*
import org.jetbrains.kotlin.fir.expressions.impl.FirElseIfTrueCondition
import org.jetbrains.kotlin.fir.languageVersionSettings
import org.jetbrains.kotlin.fir.references.FirErrorNamedReference
import org.jetbrains.kotlin.fir.references.FirResolvedErrorReference
@@ -103,7 +104,10 @@ private class FirConstCheckVisitor(private val session: FirSession) : FirVisitor
whenExpression.subject?.accept(this, data)?.ifNotValidConst { return it }
for (branch in whenExpression.branches) {
branch.condition.accept(this, data).ifNotValidConst { return it }
when (branch.condition) {
is FirElseIfTrueCondition -> { /* skip */ }
else -> branch.condition.accept(this, data).ifNotValidConst { return it }
}
branch.result.statements.forEach { stmt ->
if (stmt !is FirExpression) return ConstantArgumentKind.NOT_CONST
stmt.accept(this, data).ifNotValidConst { return it }
@@ -112,6 +116,10 @@ private class FirConstCheckVisitor(private val session: FirSession) : FirVisitor
return ConstantArgumentKind.VALID_CONST
}
override fun visitWhenSubjectExpression(whenSubjectExpression: FirWhenSubjectExpression, data: Nothing?): ConstantArgumentKind {
return if (intrinsicConstEvaluation) ConstantArgumentKind.VALID_CONST else ConstantArgumentKind.NOT_CONST
}
override fun <T> visitConstExpression(constExpression: FirConstExpression<T>, data: Nothing?): ConstantArgumentKind {
return ConstantArgumentKind.VALID_CONST
}