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[JS IR BE] Support instance check for Nothing type

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romanart
2018-10-18 00:01:10 +03:00
parent c72cf02e6c
commit df5872281b
1 changed files with 2 additions and 0 deletions
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compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/TypeOperatorLowering.kt
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@@ -62,6 +62,7 @@ class TypeOperatorLowering(val context: JsIrBackendContext) : FileLoweringPass {
private val numberMarker = JsIrBuilder.buildString(context.irBuiltIns.stringType, "number")
private val litTrue: IrExpression = JsIrBuilder.buildBoolean(context.irBuiltIns.booleanType, true)
private val litFalse: IrExpression = JsIrBuilder.buildBoolean(context.irBuiltIns.booleanType, false)
private val litNull: IrExpression = JsIrBuilder.buildNull(context.irBuiltIns.nothingNType)
override fun lower(irFile: IrFile) {
@@ -214,6 +215,7 @@ class TypeOperatorLowering(val context: JsIrBackendContext) : FileLoweringPass {
assert(!toType.isMarkedNullable())
return when {
toType.isAny() -> generateIsObjectCheck(argument)
toType.isNothing() -> JsIrBuilder.buildComposite(context.irBuiltIns.booleanType, listOf(argument, litFalse))
isTypeOfCheckingType(toType) -> generateTypeOfCheck(argument, toType)
// toType.isChar() -> generateCheckForChar(argument)
toType.isNumber() -> generateNumberCheck(argument)