blob: d46edbaa244c2e305ff2dc34fd43b240c2a3033d [file] [log] [blame]
#!/usr/bin/env dart
// Copyright (c) 2016, 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.
/// Resolves this library and everything it transitively imports and generates
/// errors in all of those libraries. Does this in an infinite loop, starting
/// from scratch each time, to show how VM warm-up affects things and to make
/// it easier to connect to this with observatory.
import 'dart:io';
import 'package:analyzer/dart/ast/standard_resolution_map.dart';
import 'package:analyzer/dart/element/element.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/file_system/physical_file_system.dart';
import 'package:analyzer/source/package_map_resolver.dart';
import 'package:analyzer/src/context/builder.dart';
import 'package:analyzer/src/dart/sdk/sdk.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/generated/source_io.dart';
import 'package:analyzer/src/source/source_resource.dart';
import 'package:path/path.dart' as p;
void main(List<String> args) {
// Assumes you have run "pub get" in the analyzer directory itself and uses
// that "packages" directory as its package root.
var packageRoot =
p.normalize(p.join(p.dirname(p.fromUri(Platform.script)), "packages"));
var best = new Duration(days: 1);
while (true) {
var start = new;
AnalysisOptionsImpl options = new AnalysisOptionsImpl();
options.strongMode = true;
options.strongModeHints = true;
PhysicalResourceProvider resourceProvider =
FolderBasedDartSdk sdk = new FolderBasedDartSdk(
resourceProvider, resourceProvider.getFolder(args[0]));
sdk.analysisOptions = options;
ContextBuilder builder = new ContextBuilder(resourceProvider, null, null);
AnalysisContext context = AnalysisEngine.instance.createAnalysisContext();
context.sourceFactory = new SourceFactory([
new DartUriResolver(sdk),
new ResourceUriResolver(resourceProvider),
new PackageMapUriResolver(resourceProvider,
context.analysisOptions = options;
var mainSource =
new FileSource(resourceProvider.getFile(p.fromUri(Platform.script)));
context.applyChanges(new ChangeSet()..addedSource(mainSource));
var initialLibrary =
context.resolveCompilationUnit2(mainSource, mainSource);
// Walk all of the transitively referenced libraries and compute errors.
var errorCount = 0;
var allLibraries = _reachableLibraries(
for (var lib in allLibraries) {
for (var unit in lib.units) {
var source = unit.source;
// Skip core libraries.
if (source.uri.scheme == 'dart') continue;
var librarySource = context.getLibrariesContaining(source).single;
context.resolveCompilationUnit2(source, librarySource);
errorCount += context.computeErrors(source).length;
var elapsed = new;
print("$elapsed : $errorCount errors ${elapsed < best ? "(best)" : ""}");
if (elapsed < best) best = elapsed;
/// Returns all libraries transitively imported or exported from [start].
List<LibraryElement> _reachableLibraries(LibraryElement start) {
var results = <LibraryElement>[];
var seen = new Set();
void find(LibraryElement lib) {
if (seen.contains(lib)) return;
return results;