Joshua Litt
20faaa5d94
Change-Id: Ib18f554c1076f27a3f7c0df5a36410da41a1f467 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148784 Reviewed-by: Paul Berry <paulberry@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
95 lines
3.7 KiB
Dart
95 lines
3.7 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:_fe_analyzer_shared/src/testing/features.dart';
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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/elements/entities.dart';
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import 'package:compiler/src/elements/types.dart';
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import 'package:compiler/src/js_backend/field_analysis.dart';
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import 'package:compiler/src/js_model/js_world.dart';
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import 'package:kernel/ast.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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main(List<String> args) {
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asyncTest(() async {
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Directory dataDir = new Directory.fromUri(Platform.script.resolve('jdata'));
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await checkTests(dataDir, const JAllocatorAnalysisDataComputer(),
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args: args, testedConfigs: allSpecConfigs);
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});
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}
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class Tags {
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static const String isInitializedInAllocator = 'allocator';
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static const String initialValue = 'initial';
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static const String constantValue = 'constant';
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static const String isEager = 'eager';
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static const String eagerCreationIndex = 'index';
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static const String isLazy = 'lazy';
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static const String isEffectivelyFinal = 'final';
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static const String isElided = 'elided';
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}
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class JAllocatorAnalysisDataComputer extends DataComputer<Features> {
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const JAllocatorAnalysisDataComputer();
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@override
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void computeMemberData(Compiler compiler, MemberEntity member,
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Map<Id, ActualData<Features>> actualMap,
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{bool verbose: false}) {
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if (member.isField) {
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DartTypes dartTypes = compiler.frontendStrategy.commonElements.dartTypes;
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JsClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
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JFieldAnalysis fieldAnalysis = closedWorld.fieldAnalysis;
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ir.Member node = closedWorld.elementMap.getMemberDefinition(member).node;
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Features features = new Features();
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FieldAnalysisData fieldData = fieldAnalysis.getFieldData(member);
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if (fieldData.isElided && !fieldData.isEffectivelyConstant) {
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features.add(Tags.isElided);
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}
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if (fieldData.isInitializedInAllocator) {
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features.add(Tags.isInitializedInAllocator);
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}
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if (fieldData.isEffectivelyConstant) {
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features[Tags.constantValue] =
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fieldData.constantValue.toStructuredText(dartTypes);
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} else if (fieldData.initialValue != null) {
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features[Tags.initialValue] =
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fieldData.initialValue.toStructuredText(dartTypes);
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} else if (fieldData.isEager) {
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if (fieldData.eagerCreationIndex != null) {
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features[Tags.eagerCreationIndex] =
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fieldData.eagerCreationIndex.toString();
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}
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if (fieldData.eagerFieldDependenciesForTesting != null) {
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for (FieldEntity field
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in fieldData.eagerFieldDependenciesForTesting) {
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features.addElement(Tags.isEager, field.name);
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}
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} else {
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features.add(Tags.isEager);
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}
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}
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if (!member.isInstanceMember && fieldData.isLazy) {
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features.add(Tags.isLazy);
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}
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if (fieldData.isEffectivelyFinal && !fieldData.isEffectivelyConstant) {
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features.add(Tags.isEffectivelyFinal);
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}
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Id id = computeMemberId(node);
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ir.TreeNode nodeWithOffset = computeTreeNodeWithOffset(node);
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actualMap[id] = new ActualData<Features>(id, features,
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nodeWithOffset?.location?.file, nodeWithOffset?.fileOffset, member);
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}
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}
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@override
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DataInterpreter<Features> get dataValidator =>
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const FeaturesDataInterpreter();
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}
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