blob: 53a8d48ddc6d1f077d8de8842b538e9787a7d94b [file] [log] [blame]
// Copyright (c) 2017, 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:async_helper/async_helper.dart';
import 'package:compiler/src/closure.dart';
import 'package:compiler/src/common.dart';
import 'package:compiler/src/compiler.dart';
import 'package:compiler/src/elements/entities.dart';
import 'package:compiler/src/js_backend/inferred_data.dart';
import 'package:compiler/src/js_model/element_map.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('side_effects'));
await checkTests(dataDir, const SideEffectsDataComputer(),
args: args,
options: [stopAfterTypeInference],
testedConfigs: allInternalConfigs);
});
}
class SideEffectsDataComputer extends DataComputer<String> {
const SideEffectsDataComputer();
/// Compute side effects data for [member] from kernel based inference.
///
/// Fills [actualMap] with the data.
@override
void computeMemberData(Compiler compiler, MemberEntity member,
Map<Id, ActualData<String>> actualMap,
{bool verbose: false}) {
JsClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
JsToElementMap elementMap = closedWorld.elementMap;
MemberDefinition definition = elementMap.getMemberDefinition(member);
new SideEffectsIrComputer(compiler.reporter, actualMap, closedWorld,
compiler.globalInference.resultsForTesting.inferredData)
.run(definition.node);
}
@override
DataInterpreter<String> get dataValidator => const StringDataInterpreter();
}
/// AST visitor for computing side effects data for a member.
class SideEffectsIrComputer extends IrDataExtractor<String> {
final JsClosedWorld closedWorld;
final InferredData inferredData;
SideEffectsIrComputer(
DiagnosticReporter reporter,
Map<Id, ActualData<String>> actualMap,
this.closedWorld,
this.inferredData)
: super(reporter, actualMap);
JsToElementMap get _elementMap => closedWorld.elementMap;
ClosureData get _closureDataLookup => closedWorld.closureDataLookup;
String getMemberValue(MemberEntity member) {
if (member is FunctionEntity) {
return inferredData.getSideEffectsOfElement(member).toString();
}
return null;
}
@override
String computeMemberValue(Id id, ir.Member node) {
return getMemberValue(_elementMap.getMember(node));
}
@override
String computeNodeValue(Id id, ir.TreeNode node) {
if (node is ir.FunctionExpression || node is ir.FunctionDeclaration) {
ClosureRepresentationInfo info = _closureDataLookup.getClosureInfo(node);
return getMemberValue(info.callMethod);
}
return null;
}
}