// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'dart:async'; import 'dart:convert'; import 'dart:io'; import 'package:flutter_devicelab/framework/framework.dart'; import 'package:flutter_devicelab/framework/utils.dart'; import 'package:path/path.dart' as path; Future<void> main() async { final String dot = Platform.isWindows ? '-' : '•'; await task(() async { final Stopwatch clock = Stopwatch()..start(); final Process analysis = await startProcess( path.join(flutterDirectory.path, 'bin', 'flutter'), <String>['analyze', '--no-preamble', '--flutter-repo', '--dartdocs'], workingDirectory: flutterDirectory.path, ); int publicMembers = 0; int otherErrors = 0; int otherLines = 0; bool sawFinalLine = false; await for (String entry in analysis.stdout.transform<String>(utf8.decoder).transform<String>(const LineSplitter())) { entry = entry.trim(); print('analyzer stdout: $entry'); if (entry == 'Building flutter tool...') { // ignore this line } else if (entry.startsWith('info $dot Document all public members $dot')) { publicMembers += 1; } else if (entry.startsWith('info $dot') || entry.startsWith('warning $dot') || entry.startsWith('error $dot')) { otherErrors += 1; } else if (entry.contains(' (ran in ') && !sawFinalLine) { // ignore this line once sawFinalLine = true; } else if (entry.isNotEmpty) { otherLines += 1; print('^ not sure what to do with that line ^'); } } await for (final String entry in analysis.stderr.transform<String>(utf8.decoder).transform<String>(const LineSplitter())) { print('analyzer stderr: $entry'); if (entry.contains(' (ran in ') && !sawFinalLine) { // ignore this line once sawFinalLine = true; } else { otherLines += 1; print('^ not sure what to do with that line ^'); } } final int result = await analysis.exitCode; clock.stop(); if (!sawFinalLine) throw Exception('flutter analyze did not output final message'); if (publicMembers == 0 && otherErrors == 0 && result != 0) throw Exception('flutter analyze exited with unexpected error code $result'); if (publicMembers != 0 && otherErrors != 0 && result == 0) throw Exception('flutter analyze exited with successful status code despite reporting errors'); if (otherLines != 0) throw Exception('flutter analyze had unexpected output (we saw $otherLines unexpected line${ otherLines == 1 ? "" : "s" })'); final Map<String, dynamic> data = <String, dynamic>{ 'members_missing_dartdocs': publicMembers, 'analysis_errors': otherErrors, 'elapsed_time_ms': clock.elapsedMilliseconds, }; return TaskResult.success(data, benchmarkScoreKeys: data.keys.toList()); }); }