blob: de14982f1dd662a4fe85eefb69b5d04c294676ea [file] [log] [blame]
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
import 'dart:io' show Directory, Platform;
import 'package:_fe_analyzer_shared/src/testing/id.dart' show ActualData, Id;
import 'package:_fe_analyzer_shared/src/testing/id_testing.dart';
import 'package:front_end/src/testing/id_testing_helper.dart';
import 'package:kernel/ast.dart' hide Variance;
void main(List<String> args) async {
Directory dataDir = new Directory.fromUri(Platform.script.resolve(
await runTests<String>(dataDir,
args: args,
createUriForFileName: createUriForFileName,
onFailure: onFailure,
runTest: runTestFor(
const NullabilityDataComputer(), [cfeNonNullableOnlyConfig]));
class NullabilityDataComputer extends DataComputer<String> {
const NullabilityDataComputer();
DataInterpreter<String> get dataValidator => const StringDataInterpreter();
/// Function that computes a data mapping for [member].
/// Fills [actualMap] with the data.
void computeMemberData(
TestConfig config,
InternalCompilerResult compilerResult,
Member member,
Map<Id, ActualData<String>> actualMap,
{bool verbose}) {
member.accept(new NullabilityDataExtractor(compilerResult, actualMap));
class NullabilityDataExtractor extends CfeDataExtractor<String> {
NullabilityDataExtractor(InternalCompilerResult compilerResult,
Map<Id, ActualData<String>> actualMap)
: super(compilerResult, actualMap);
String computeNodeValue(Id id, TreeNode node) {
if (node is VariableGet && node.promotedType != null) {
if (node.variable.type.nullability != Nullability.nonNullable &&
node.promotedType.nullability == Nullability.nonNullable) {
return 'nonNullable';
return null;