Sam Rawlins
18bc70b898
Bug: https://github.com/dart-lang/sdk/issues/44569 Change-Id: Iacb5553755af38e931431cb5aa4e3495cd34539f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190602 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Samuel Rawlins <srawlins@google.com>
94 lines
3.2 KiB
Dart
94 lines
3.2 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import 'dart:io';
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import 'package:async_helper/async_helper.dart';
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import 'package:compiler/src/compiler.dart';
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import 'package:compiler/src/diagnostics/diagnostic_listener.dart';
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import 'package:compiler/src/elements/entities.dart';
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import 'package:compiler/src/kernel/element_map_impl.dart';
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import 'package:compiler/src/kernel/kernel_strategy.dart';
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import 'package:kernel/ast.dart' as ir;
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import 'package:kernel/class_hierarchy.dart' as ir;
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import 'package:kernel/core_types.dart' as ir;
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import 'package:kernel/type_environment.dart' as ir;
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import '../equivalence/id_equivalence.dart';
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import '../equivalence/id_equivalence_helper.dart';
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import '../helpers/shared_helper.dart';
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main(List<String> args) {
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asyncTest(() async {
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Directory dataDir = new Directory.fromUri(Platform.script
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.resolve('../../../../pkg/_fe_analyzer_shared/test/constants/data_2'));
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await checkTests<String>(dataDir, new ConstantDataComputer(),
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args: args, testedConfigs: [sharedConfig]);
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});
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}
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class ConstantDataComputer extends DataComputer<String> {
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ir.TypeEnvironment _typeEnvironment;
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ir.TypeEnvironment getTypeEnvironment(KernelToElementMapImpl elementMap) {
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if (_typeEnvironment == null) {
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ir.Component component = elementMap.env.mainComponent;
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ir.CoreTypes coreTypes = new ir.CoreTypes(component);
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_typeEnvironment = new ir.TypeEnvironment(
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coreTypes, new ir.ClassHierarchy(component, coreTypes));
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}
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return _typeEnvironment;
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}
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/// Compute type inference data for [member] from kernel based inference.
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///
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/// Fills [actualMap] with the data.
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@override
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void computeMemberData(Compiler compiler, MemberEntity member,
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Map<Id, ActualData<String>> actualMap,
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{bool verbose: false}) {
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KernelFrontendStrategy frontendStrategy = compiler.frontendStrategy;
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KernelToElementMapImpl elementMap = frontendStrategy.elementMap;
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ir.Member node = elementMap.getMemberNode(member);
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new ConstantDataExtractor(compiler.reporter, actualMap, elementMap, member)
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.run(node);
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}
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@override
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bool get supportsErrors => true;
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@override
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String computeErrorData(
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Compiler compiler, Id id, List<CollectedMessage> errors) {
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return errors.map((c) => c.message.message).join(',');
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}
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@override
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bool get testFrontend => true;
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@override
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DataInterpreter<String> get dataValidator => const StringDataInterpreter();
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}
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/// IR visitor for computing inference data for a member.
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class ConstantDataExtractor extends IrDataExtractor<String> {
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final KernelToElementMapImpl elementMap;
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final MemberEntity member;
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ConstantDataExtractor(DiagnosticReporter reporter,
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Map<Id, ActualData<String>> actualMap, this.elementMap, this.member)
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: super(reporter, actualMap);
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@override
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String computeNodeValue(Id id, ir.TreeNode node) {
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if (node is ir.ConstantExpression) {
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return constantToText(
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elementMap.types,
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elementMap.getConstantValue(
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elementMap.getStaticTypeContext(member), node));
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}
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return null;
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}
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}
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