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Forbade caching of KProperty for local delegated properties.

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This commit is contained in:
Igor Chevdar
2017-03-07 20:23:33 +03:00
parent bc0772eab1
commit 1a5434bada
1 changed files with 11 additions and 12 deletions
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backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DelegationLowering.kt
+11 -12
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@@ -99,20 +99,19 @@ internal class PropertyDelegationLowering(val context: Context) : FileLoweringPa
val propertyDescriptor = expression.descriptor as? VariableDescriptorWithAccessors
if (propertyDescriptor == null) return expression
val receiversCount = listOf(expression.dispatchReceiver, expression.extensionReceiver).count { it != null }
when (receiversCount) {
0 -> { // Cache KProperties with no arguments.
val field = kProperties.getOrPut(propertyDescriptor) {
createKProperty(expression, propertyDescriptor) to kProperties.size
}
return IrCallImpl(expression.startOffset, expression.endOffset, substitutedArrayItemGetter).apply {
dispatchReceiver = IrGetFieldImpl(expression.startOffset, expression.endOffset, kPropertiesField)
putValueArgument(0, IrConstImpl.int(startOffset, endOffset, context.builtIns.intType, field.second))
}
if (receiversCount == 1 || propertyDescriptor !is PropertyDescriptor) // Has receiver or is local delegated.
return createKProperty(expression, propertyDescriptor)
else if (receiversCount == 0) { // Cache KProperties with no arguments.
val field = kProperties.getOrPut(propertyDescriptor) {
createKProperty(expression, propertyDescriptor) to kProperties.size
}
return IrCallImpl(expression.startOffset, expression.endOffset, substitutedArrayItemGetter).apply {
dispatchReceiver = IrGetFieldImpl(expression.startOffset, expression.endOffset, kPropertiesField)
putValueArgument(0, IrConstImpl.int(startOffset, endOffset, context.builtIns.intType, field.second))
}
1 -> return createKProperty(expression, propertyDescriptor)
else -> throw AssertionError("Callable reference to properties with two receivers is not allowed: $propertyDescriptor")
}
else throw AssertionError("Callable reference to properties with two receivers is not allowed: $propertyDescriptor")
}
})