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62 lines
2.3 KiB
Dart
62 lines
2.3 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import '../base/file_system.dart';
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import '../cache.dart';
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import '../codegen.dart';
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import '../convert.dart';
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import '../globals.dart' as globals;
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import '../project.dart';
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import '../runner/flutter_command.dart';
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class GenerateCommand extends FlutterCommand {
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GenerateCommand() {
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usesTargetOption();
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}
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@override
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String get description => 'run code generators.';
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@override
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String get name => 'generate';
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@override
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Future<FlutterCommandResult> runCommand() async {
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Cache.releaseLockEarly();
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final FlutterProject flutterProject = FlutterProject.current();
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final CodegenDaemon codegenDaemon = await codeGenerator.daemon(flutterProject);
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codegenDaemon.startBuild();
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await for (final CodegenStatus codegenStatus in codegenDaemon.buildResults) {
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if (codegenStatus == CodegenStatus.Failed) {
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globals.printError('Code generation failed.');
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break;
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}
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if (codegenStatus == CodegenStatus.Succeeded) {
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break;
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}
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}
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// Check for errors output in the build_runner cache.
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final Directory buildDirectory = flutterProject.dartTool.childDirectory('build');
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final Directory errorCacheParent = buildDirectory.listSync().whereType<Directory>().firstWhere((Directory dir) {
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return dir.childDirectory('error_cache').existsSync();
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}, orElse: () => null);
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if (errorCacheParent == null) {
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return FlutterCommandResult.success();
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}
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final Directory errorCache = errorCacheParent.childDirectory('error_cache');
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for (final File errorFile in errorCache.listSync(recursive: true).whereType<File>()) {
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try {
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final List<Object> errorData = json.decode(errorFile.readAsStringSync()) as List<Object>;
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final List<Object> stackData = errorData[1] as List<Object>;
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globals.printError(errorData.first as String);
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globals.printError(stackData[0] as String);
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globals.printError(stackData[1] as String);
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globals.printError(StackTrace.fromString(stackData[2] as String).toString());
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} catch (err) {
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globals.printError('Error reading error in ${errorFile.path}');
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}
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}
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return FlutterCommandResult.fail();
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}
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}
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