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Code cleanup: LabelResolver

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This commit is contained in:
Mikhail Glukhikh
2022-02-22 10:56:53 +03:00
committed by Space
parent 1e26888dd9
commit 31b234a261
1 changed files with 6 additions and 8 deletions
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compiler/frontend/src/org/jetbrains/kotlin/types/expressions/LabelResolver.kt
+6 -8
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@@ -73,8 +73,7 @@ object LabelResolver {
}
private fun getLabelForFunctionalExpression(element: KtExpression): Name? {
val parent = element.parent
return when (parent) {
return when (val parent = element.parent) {
is KtLabeledExpression -> getLabelNamesIfAny(parent, false).singleOrNull()
is KtBinaryExpression -> parent.operationReference.getReferencedNameAsName()
else -> getCallerName(element)
@@ -154,19 +153,18 @@ object LabelResolver {
val targetLabel = expression.getTargetLabel() ?: error(expression)
val declarationsByLabel = context.scope.getDeclarationsByLabel(labelName)
val size = declarationsByLabel.size
when (size) {
when (declarationsByLabel.size) {
1 -> {
val declarationDescriptor = declarationsByLabel.single()
val thisReceiver = when (declarationDescriptor) {
is ClassDescriptor -> declarationDescriptor.thisAsReceiverParameter
is FunctionDescriptor -> declarationDescriptor.extensionReceiverParameter
is PropertyDescriptor -> declarationDescriptor.extensionReceiverParameter
else -> throw UnsupportedOperationException("Unsupported descriptor: " + declarationDescriptor) // TODO
else -> throw UnsupportedOperationException("Unsupported descriptor: $declarationDescriptor") // TODO
}
val element = DescriptorToSourceUtils.descriptorToDeclaration(declarationDescriptor)
?: error("No PSI element for descriptor: " + declarationDescriptor)
?: error("No PSI element for descriptor: $declarationDescriptor")
context.trace.record(LABEL_TARGET, targetLabel, element)
context.trace.record(REFERENCE_TARGET, referenceExpression, declarationDescriptor)
@@ -213,7 +211,7 @@ object LabelResolver {
}
class LabeledReceiverResolutionResult private constructor(
val code: LabeledReceiverResolutionResult.Code,
val code: Code,
private val receiverParameterDescriptor: ReceiverParameterDescriptor?
) {
enum class Code {
@@ -227,7 +225,7 @@ object LabelResolver {
}
fun getReceiverParameterDescriptor(): ReceiverParameterDescriptor? {
assert(success()) { "Don't try to obtain the receiver when resolution failed with " + code }
assert(success()) { "Don't try to obtain the receiver when resolution failed with $code" }
return receiverParameterDescriptor
}