Use source_gen for JSON serialization (dart-lang#31)

...for a few classes

analysis_options.yaml

@@ -18,7 +18,6 @@ linter:
      - valid_regexps
 
      # Style
-     - annotate_overrides
      - avoid_init_to_null
      - avoid_return_types_on_setters
      - await_only_futures

lib/src/analyzer_output.dart

@@ -2,10 +2,18 @@
 // 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.
 
+library pana.analyzer_output;
+
 import 'package:path/path.dart' as p;
 import 'package:quiver/core.dart';
+import 'package:source_gen/generators/json_serializable.dart';
+
+part 'analyzer_output.g.dart';
 
-class AnalyzerOutput implements Comparable<AnalyzerOutput> {
+@JsonSerializable()
+class AnalyzerOutput extends Object
+    with _$AnalyzerOutputSerializerMixin
+    implements Comparable<AnalyzerOutput> {
   static final _regexp = new RegExp('^' + // beginning of line
           '([\\w_\\.]+)\\|' * 3 + // first three error notes
           '([^\\|]+)\\|' + // file path
@@ -69,22 +77,8 @@ class AnalyzerOutput implements Comparable<AnalyzerOutput> {
         type, error, filePath, int.parse(line), int.parse(column));
   }
 
-  factory AnalyzerOutput.fromJson(Map<String, dynamic> json) {
-    var type = json['type'];
-    var error = json['error'];
-    var file = json['file'];
-    var line = json['line'];
-    var col = json['col'];
-    return new AnalyzerOutput(type, error, file, line, col);
-  }
-
-  Map<String, dynamic> toJson() => <String, dynamic>{
-        'type': type,
-        'file': file,
-        'line': line,
-        'col': col,
-        'error': error,
-      };
+  factory AnalyzerOutput.fromJson(Map<String, dynamic> json) =>
+      _$AnalyzerOutputFromJson(json);
 
   @override
   int compareTo(AnalyzerOutput other) {

lib/src/platform.dart

@@ -1,5 +1,11 @@
+library pana.platform;
+
+import 'package:source_gen/generators/json_serializable.dart';
+
 import 'pubspec.dart';
 
+part 'platform.g.dart';
+
 abstract class KnownPlatforms {
   static const String browser = 'browser';
   static const String console = 'console';
@@ -25,18 +31,17 @@ class PlatformSummary {
       libraries.values.any((p) => !p.worksInFlutter);
 }
 
-class Platform {
+@JsonSerializable()
+class Platform extends Object with _$PlatformSerializerMixin {
   final List<String> uses;
 
   Platform._(this.uses);
 
   factory Platform(Iterable<String> uses) =>
       new Platform._((uses ?? []).toList()..sort());
 
-  factory Platform.fromJson(Map<String, dynamic> map) {
-    map ??= {};
-    return new Platform(map['uses']);
-  }
+  factory Platform.fromJson(Map<String, dynamic> map) =>
+      _$PlatformFromJson(map);
 
   bool get hasConflict =>
       (!worksAnywhere) ||
@@ -60,10 +65,6 @@ class Platform {
 
   bool _hasNoUseOf(Iterable<String> platforms) =>
       !platforms.any((p) => uses.contains(p));
-
-  Map<String, dynamic> toJson() => <String, dynamic>{
-        'uses': uses,
-      };
 }
 
 Platform classifyPubspec(Pubspec pubspec) {

lib/src/pub_summary.dart

@@ -2,6 +2,8 @@
 // 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.
 
+library pana.pub_summary;
+
 import 'dart:collection';
 import 'dart:convert';
 import 'dart:io' hide exitCode;

pubspec.yaml

@@ -1,6 +1,6 @@
 name: pana
 description: Evaluate the health and quality of a Dart package
-version: 0.2.3
+version: 0.2.4-dev
 homepage: https://github.com/dart-lang/pana
 author: Dart Team <[email protected]>
 
@@ -16,7 +16,9 @@ dependencies:
   pool: ^1.3.0
   pub_semver: ^1.3.2
   quiver: '>=0.24.0 <0.26.0'
+  source_gen: ^0.5.8
   yaml: ^2.1.12
 
 dev_dependencies:
+  build_runner: ^0.3.4
   test: ^0.12.0

tool/build.dart

@@ -0,0 +1,10 @@
+// Copyright (c) 2017, 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.
+import 'package:build_runner/build_runner.dart';
+
+import 'phases.dart';
+
+main() async {
+  await build(phases, deleteFilesByDefault: true);
+}

tool/phases.dart

@@ -0,0 +1,15 @@
+// Copyright (c) 2017, 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.
+import 'package:build_runner/build_runner.dart';
+
+import 'package:source_gen/generators/json_serializable_generator.dart' as json;
+import 'package:source_gen/source_gen.dart';
+
+final PhaseGroup phases = new PhaseGroup.singleAction(
+    new GeneratorBuilder(const [const json.JsonSerializableGenerator()]),
+    new InputSet('pana', const [
+      'lib/src/analyzer_output.dart',
+      'lib/src/platform.dart',
+      'lib/src/pub_summary.dart'
+    ]));

tool/watch.dart

@@ -0,0 +1,10 @@
+// Copyright (c) 2017, 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.
+import 'package:build_runner/build_runner.dart';
+
+import 'phases.dart';
+
+main() {
+  watch(phases, deleteFilesByDefault: true);
+}