blob: 5dd584d8b0b5a07b9085d9f54cbd00d0bafe967f [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'
show DataInterpreter, runTests;
import 'package:_fe_analyzer_shared/src/testing/id_testing.dart';
import 'package:front_end/src/testing/id_testing_helper.dart';
import 'package:front_end/src/fasta/builder/member_builder.dart';
import 'package:front_end/src/fasta/source/source_loader.dart';
import 'package:front_end/src/fasta/type_inference/type_inference_engine.dart';
import 'package:front_end/src/testing/id_testing_utils.dart';
import 'package:kernel/ast.dart' hide Variance;
main(List<String> args) async {
Directory dataDir = new Directory.fromUri(Platform.script.resolve(
'../../../_fe_analyzer_shared/test/flow_analysis/definite_assignment/'
'data'));
await runTests<String>(dataDir,
args: args,
createUriForFileName: createUriForFileName,
onFailure: onFailure,
runTest: runTestFor(
const DefiniteAssignmentDataComputer(), [cfeNonNullableOnlyConfig]));
}
class DefiniteAssignmentDataComputer extends DataComputer<String> {
const DefiniteAssignmentDataComputer();
@override
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}) {
MemberBuilderImpl memberBuilder =
lookupMemberBuilder(compilerResult, member);
member.accept(new DefiniteAssignmentDataExtractor(compilerResult, actualMap,
memberBuilder.dataForTesting.inferenceData.flowAnalysisResult));
}
/// Errors are supported for testing erroneous code. The reported errors are
/// not tested.
@override
bool get supportsErrors => true;
}
class DefiniteAssignmentDataExtractor extends CfeDataExtractor<String> {
final SourceLoaderDataForTesting _sourceLoaderDataForTesting;
final FlowAnalysisResult _flowResult;
DefiniteAssignmentDataExtractor(InternalCompilerResult compilerResult,
Map<Id, ActualData<String>> actualMap, this._flowResult)
: _sourceLoaderDataForTesting =
compilerResult.kernelTargetForTesting.loader.dataForTesting,
super(compilerResult, actualMap);
@override
String computeNodeValue(Id id, TreeNode node) {
if (node is VariableGet) {
TreeNode alias = _sourceLoaderDataForTesting.toOriginal(node);
if (_flowResult.potentiallyUnassignedNodes.contains(alias)) {
return 'unassigned';
}
}
return null;
}
}