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>
102 lines
3.3 KiB
Dart
102 lines
3.3 KiB
Dart
// Copyright (c) 2018, 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/closure.dart';
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import 'package:compiler/src/common.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/inferrer/type_graph_inferrer.dart';
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import 'package:compiler/src/js_model/element_map.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 =
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new Directory.fromUri(Platform.script.resolve('callers'));
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await checkTests(dataDir, const CallersDataComputer(),
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args: args, options: [stopAfterTypeInference]);
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});
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}
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class CallersDataComputer extends DataComputer<String> {
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const CallersDataComputer();
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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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JsClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
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JsToElementMap elementMap = closedWorld.elementMap;
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MemberDefinition definition = elementMap.getMemberDefinition(member);
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new CallersIrComputer(
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compiler.reporter,
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actualMap,
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elementMap,
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compiler.globalInference.typesInferrerInternal,
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closedWorld.closureDataLookup)
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.run(definition.node);
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}
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@override
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DataInterpreter<String> get dataValidator => const StringDataInterpreter();
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}
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/// AST visitor for computing side effects data for a member.
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class CallersIrComputer extends IrDataExtractor<String> {
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final TypeGraphInferrer inferrer;
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final JsToElementMap _elementMap;
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final ClosureData _closureDataLookup;
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CallersIrComputer(
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DiagnosticReporter reporter,
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Map<Id, ActualData<String>> actualMap,
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this._elementMap,
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this.inferrer,
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this._closureDataLookup)
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: super(reporter, actualMap);
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String getMemberValue(MemberEntity member) {
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Iterable<MemberEntity> callers = inferrer.getCallersOfForTesting(member);
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if (callers != null) {
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List<String> names = callers.map((MemberEntity member) {
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StringBuffer sb = new StringBuffer();
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if (member.enclosingClass != null) {
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sb.write(member.enclosingClass.name);
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sb.write('.');
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}
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sb.write(member.name);
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if (member.isSetter) {
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sb.write('=');
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}
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return sb.toString();
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}).toList()
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..sort();
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return '[${names.join(',')}]';
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}
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return null;
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}
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@override
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String computeMemberValue(Id id, ir.Member node) {
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return getMemberValue(_elementMap.getMember(node));
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}
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@override
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String computeNodeValue(Id id, ir.TreeNode node) {
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if (node is ir.FunctionExpression || node is ir.FunctionDeclaration) {
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ClosureRepresentationInfo info = _closureDataLookup.getClosureInfo(node);
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return getMemberValue(info.callMethod);
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}
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return null;
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}
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}
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