blob: 857f7e8cb6a1cb7555fe10f8cf94bd3f169772de [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 = 2.7
import 'dart:io';
import 'package:_fe_analyzer_shared/src/testing/features.dart';
import 'package:async_helper/async_helper.dart';
import 'package:compiler/src/compiler.dart';
import 'package:compiler/src/elements/entities.dart';
import 'package:compiler/src/elements/types.dart';
import 'package:compiler/src/js_backend/field_analysis.dart';
import 'package:compiler/src/js_model/js_world.dart';
import 'package:kernel/ast.dart' as ir;
import '../equivalence/id_equivalence.dart';
import '../equivalence/id_equivalence_helper.dart';
main(List<String> args) {
asyncTest(() async {
Directory dataDir = new Directory.fromUri(Platform.script.resolve('jdata'));
await checkTests(dataDir, const JAllocatorAnalysisDataComputer(),
args: args, testedConfigs: allSpecConfigs);
});
}
class Tags {
static const String isInitializedInAllocator = 'allocator';
static const String initialValue = 'initial';
static const String constantValue = 'constant';
static const String isEager = 'eager';
static const String eagerCreationIndex = 'index';
static const String isLazy = 'lazy';
static const String isEffectivelyFinal = 'final';
static const String isElided = 'elided';
}
class JAllocatorAnalysisDataComputer extends DataComputer<Features> {
const JAllocatorAnalysisDataComputer();
@override
void computeMemberData(Compiler compiler, MemberEntity member,
Map<Id, ActualData<Features>> actualMap,
{bool verbose: false}) {
if (member.isField) {
DartTypes dartTypes = compiler.frontendStrategy.commonElements.dartTypes;
JsClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
JFieldAnalysis fieldAnalysis = closedWorld.fieldAnalysis;
ir.Member node = closedWorld.elementMap.getMemberDefinition(member).node;
Features features = new Features();
FieldAnalysisData fieldData = fieldAnalysis.getFieldData(member);
if (fieldData.isElided && !fieldData.isEffectivelyConstant) {
features.add(Tags.isElided);
}
if (fieldData.isInitializedInAllocator) {
features.add(Tags.isInitializedInAllocator);
}
if (fieldData.isEffectivelyConstant) {
features[Tags.constantValue] =
fieldData.constantValue.toStructuredText(dartTypes);
} else if (fieldData.initialValue != null) {
features[Tags.initialValue] =
fieldData.initialValue.toStructuredText(dartTypes);
} else if (fieldData.isEager) {
if (fieldData.eagerCreationIndex != null) {
features[Tags.eagerCreationIndex] =
fieldData.eagerCreationIndex.toString();
}
if (fieldData.eagerFieldDependenciesForTesting != null) {
for (FieldEntity field
in fieldData.eagerFieldDependenciesForTesting) {
features.addElement(Tags.isEager, field.name);
}
} else {
features.add(Tags.isEager);
}
}
if (!member.isInstanceMember && fieldData.isLazy) {
features.add(Tags.isLazy);
}
if (fieldData.isEffectivelyFinal && !fieldData.isEffectivelyConstant) {
features.add(Tags.isEffectivelyFinal);
}
Id id = computeMemberId(node);
ir.TreeNode nodeWithOffset = computeTreeNodeWithOffset(node);
actualMap[id] = new ActualData<Features>(id, features,
nodeWithOffset?.location?.file, nodeWithOffset?.fileOffset, member);
}
}
@override
DataInterpreter<Features> get dataValidator =>
const FeaturesDataInterpreter();
}