2019-10-11 07:16:11 -07:00

67 lines
2.3 KiB
Dart

// Copyright 2019 The Chromium 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 '../base/file_system.dart';
import '../cache.dart';
import '../codegen.dart';
import '../convert.dart';
import '../globals.dart';
import '../project.dart';
import '../runner/flutter_command.dart';
class GenerateCommand extends FlutterCommand {
GenerateCommand() {
usesTargetOption();
}
@override
String get description => 'run code generators.';
@override
String get name => 'generate';
@override
Future<Set<DevelopmentArtifact>> get requiredArtifacts async => const <DevelopmentArtifact>{
DevelopmentArtifact.universal,
};
@override
Future<FlutterCommandResult> runCommand() async {
Cache.releaseLockEarly();
final FlutterProject flutterProject = FlutterProject.current();
final CodegenDaemon codegenDaemon = await codeGenerator.daemon(flutterProject);
codegenDaemon.startBuild();
await for (CodegenStatus codegenStatus in codegenDaemon.buildResults) {
if (codegenStatus == CodegenStatus.Failed) {
printError('Code generation failed.');
break;
}
if (codegenStatus ==CodegenStatus.Succeeded) {
break;
}
}
// Check for errors output in the build_runner cache.
final Directory buildDirectory = flutterProject.dartTool.childDirectory('build');
final Directory errorCacheParent = buildDirectory.listSync().firstWhere((FileSystemEntity entity) {
return entity is Directory && entity.childDirectory('error_cache').existsSync();
}, orElse: () => null);
if (errorCacheParent == null) {
return null;
}
final Directory errorCache = errorCacheParent.childDirectory('error_cache');
for (File errorFile in errorCache.listSync(recursive: true).whereType<File>()) {
try {
final List<Object> errorData = json.decode(errorFile.readAsStringSync());
final List<Object> stackData = errorData[1];
printError(errorData.first);
printError(stackData[0]);
printError(stackData[1]);
printError(StackTrace.fromString(stackData[2]).toString());
} catch (err) {
printError('Error reading error in ${errorFile.path}');
}
}
return const FlutterCommandResult(ExitStatus.fail);
}
}