Reduce the amount of spam from analyze watch. (#7582)

See https://github.com/dart-lang/sdk/issues/28463, which I think is a
regression.

This also fixes the regression introduced by
https://codereview.chromium.org/2559773002 whereby we were no longer
checking any of the lints.

.analysis_options

@@ -26,8 +26,10 @@ analyzer:
     todo: ignore
   exclude:
     - 'bin/cache/**'
-    - 'dev/missing_dependency_tests/**'
-    - 'packages/flutter_tools/test/data/dart_dependencies_test/**'
+    # the following two are relative to the stocks example and the flutter package respectively
+    # see https://github.com/dart-lang/sdk/issues/28463
+    - 'lib/i18n/stock_messages_*.dart'
+    - 'lib/src/http/**'
 
 linter:
   rules:

.analysis_options_repo

@@ -25,10 +25,9 @@ analyzer:
     strong_mode_down_cast_composite: ignore
     # allow having TODOs in the code
     todo: ignore
-  exclude:
-    - 'bin/cache/**'
-    - 'dev/missing_dependency_tests/**'
-    - 'packages/flutter_tools/test/data/dart_dependencies_test/**'
+  # `flutter analyze` (without `--watch`) just ignores directories
+  # that contain a .dartignore file, and this file does not have any
+  # effect on what files are actually analyzed.
 
 linter:
   rules:

dev/missing_dependency_tests/.analysis_options

@@ -0,0 +1,4 @@
+analyzer:
+  exclude:
+    - '**'
+

examples/stocks/.analysis_options

@@ -1,3 +0,0 @@
-analyzer:
-  exclude:
-    - 'lib/i18n/stock_messages_*.dart'

packages/flutter/lib/src/foundation/assertions.dart

@@ -132,6 +132,7 @@ class FlutterError extends AssertionError {
   ///
   /// All sentences in the error should be correctly punctuated (i.e.,
   /// do end the error message with a period).
+  @override
   final String message;
 
   @override

packages/flutter_tools/lib/src/commands/analyze_once.dart

@@ -73,14 +73,9 @@ class AnalyzeOnce extends AnalyzeBase {
       pubSpecDirectories.add(currentDirectory);
     }
 
-    // TODO(ianh): Fix the intl package resource generator
-    // TODO(pq): extract this regexp from the exclude in options
-    RegExp stockExampleFiles = new RegExp('examples/stocks/lib/i18n/.*\.dart\$');
-
     if (flutterRepo) {
       for (Directory dir in repoPackages) {
-        _collectDartFiles(dir, dartFiles,
-            exclude: (FileSystemEntity entity) => stockExampleFiles.hasMatch(entity.path));
+        _collectDartFiles(dir, dartFiles);
         pubSpecDirectories.add(dir);
       }
     }
@@ -164,7 +159,6 @@ class AnalyzeOnce extends AnalyzeBase {
     for (AnalysisErrorDescription error in errors) {
       bool shouldIgnore = false;
       if (error.errorCode.name == 'public_member_api_docs') {
-        // https://github.com/dart-lang/linter/issues/207
         // https://github.com/dart-lang/linter/issues/208
         if (isFlutterLibrary(error.source.fullName)) {
           if (!argResults['dartdocs']) {
@@ -175,9 +169,6 @@ class AnalyzeOnce extends AnalyzeBase {
           shouldIgnore = true;
         }
       }
-      // TODO(ianh): Fix the Dart mojom compiler
-      if (error.source.fullName.endsWith('.mojom.dart'))
-        shouldIgnore = true;
       if (shouldIgnore)
         continue;
       printError(error.asString());
@@ -226,18 +217,18 @@ class AnalyzeOnce extends AnalyzeBase {
     return true;
   }
 
-  List<File> _collectDartFiles(Directory dir, List<File> collected, {FileFilter exclude}) {
+  List<File> _collectDartFiles(Directory dir, List<File> collected) {
     // Bail out in case of a .dartignore.
-    if (fs.isFileSync(path.join(path.dirname(dir.path), '.dartignore')))
+    if (fs.isFileSync(path.join(dir.path, '.dartignore')))
       return collected;
 
     for (FileSystemEntity entity in dir.listSync(recursive: false, followLinks: false)) {
-      if (isDartFile(entity) && (exclude == null || !exclude(entity)))
+      if (isDartFile(entity))
         collected.add(entity);
       if (entity is Directory) {
         String name = path.basename(entity.path);
         if (!name.startsWith('.') && name != 'packages')
-          _collectDartFiles(entity, collected, exclude: exclude);
+          _collectDartFiles(entity, collected);
       }
     }
 

packages/flutter_tools/lib/src/commands/drive.dart

@@ -84,6 +84,7 @@ class DriveCommand extends RunCommandBase {
   Device get device => _device;
 
   /// Subscription to log messages printed on the device or simulator.
+  // ignore: cancel_subscriptions
   StreamSubscription<String> _deviceLogSubscription;
 
   int get debugPort => int.parse(argResults['debug-port']);

packages/flutter_tools/lib/src/dart/analysis.dart

@@ -17,6 +17,7 @@ import 'package:analyzer/src/generated/java_io.dart'; // ignore: implementation_
 import 'package:analyzer/src/generated/source.dart'; // ignore: implementation_imports
 import 'package:analyzer/src/generated/source_io.dart'; // ignore: implementation_imports
 import 'package:analyzer/src/task/options.dart'; // ignore: implementation_imports
+import 'package:linter/src/rules.dart' as linter; // ignore: implementation_imports
 import 'package:cli_util/cli_util.dart' as cli_util;
 import 'package:package_config/packages.dart' show Packages;
 import 'package:package_config/src/packages_impl.dart' show MapPackages; // ignore: implementation_imports
@@ -28,6 +29,12 @@ import '../base/file_system.dart' hide IOSink;
 import '../base/io.dart';
 
 class AnalysisDriver {
+  AnalysisDriver(this.options) {
+    AnalysisEngine.instance.logger =
+        new _StdLogger(outSink: options.outSink, errorSink: options.errorSink);
+    _processPlugins();
+  }
+
   Set<Source> _analyzedSources = new HashSet<Source>();
 
   AnalysisOptionsProvider analysisOptionsProvider =
@@ -38,11 +45,6 @@ class AnalysisDriver {
   AnalysisContext context;
 
   DriverOptions options;
-  AnalysisDriver(this.options) {
-    AnalysisEngine.instance.logger =
-        new _StdLogger(outSink: options.outSink, errorSink: options.errorSink);
-    _processPlugins();
-  }
 
   String get sdkDir => options.dartSdkPath ?? cli_util.getSdkDir().path;
 
@@ -51,9 +53,8 @@ class AnalysisDriver {
     List<AnalysisErrorDescription> errors = <AnalysisErrorDescription>[];
     for (AnalysisErrorInfo info in infos) {
       for (AnalysisError error in info.errors) {
-        if (!_isFiltered(error)) {
+        if (!_isFiltered(error))
           errors.add(new AnalysisErrorDescription(error, info.lineInfo));
-        }
       }
     }
     return errors;
@@ -61,7 +62,8 @@ class AnalysisDriver {
 
   List<AnalysisErrorInfo> _analyze(Iterable<File> files) {
     context = AnalysisEngine.instance.createAnalysisContext();
-    _processAnalysisOptions(context, options);
+    _processAnalysisOptions();
+    context.analysisOptions = options;
     PackageInfo packageInfo = new PackageInfo(options.packageMap);
     List<UriResolver> resolvers = _getResolvers(context, packageInfo.asMap());
     context.sourceFactory =
@@ -94,7 +96,6 @@ class AnalysisDriver {
   List<UriResolver> _getResolvers(InternalAnalysisContext context,
       Map<String, List<file_system.Folder>> packageMap) {
 
-
     // Create our list of resolvers.
     List<UriResolver> resolvers = <UriResolver>[];
 
@@ -106,9 +107,6 @@ class AnalysisDriver {
       // Fail fast if no URI mappings are found.
       assert(sdk.libraryMap.size() > 0);
       sdk.analysisOptions = context.analysisOptions;
-      // TODO(pq): re-enable once we have a proper story for SDK summaries
-      // in the presence of embedders (https://github.com/dart-lang/sdk/issues/26467).
-      sdk.useSummary = false;
 
       resolvers.add(new DartUriResolver(sdk));
     } else {
@@ -141,17 +139,15 @@ class AnalysisDriver {
     return processor != null && processor.severity == null;
   }
 
-  void _processAnalysisOptions(
-    AnalysisContext context, AnalysisOptions analysisOptions) {
+  void _processAnalysisOptions() {
     String optionsPath = options.analysisOptionsFile;
     if (optionsPath != null) {
       file_system.File file =
            PhysicalResourceProvider.INSTANCE.getFile(optionsPath);
       Map<Object, Object> optionMap =
           analysisOptionsProvider.getOptionsFromFile(file);
-      if (optionMap != null) {
-        applyToAnalysisOptions(context.analysisOptions, optionMap);
-      }
+      if (optionMap != null)
+        applyToAnalysisOptions(options, optionMap);
     }
   }
 
@@ -160,23 +156,26 @@ class AnalysisDriver {
     plugins.addAll(AnalysisEngine.instance.requiredPlugins);
     ExtensionManager manager = new ExtensionManager();
     manager.processPlugins(plugins);
+    linter.registerLintRules();
   }
 }
 
 class AnalysisDriverException implements Exception {
-  final String message;
   AnalysisDriverException([this.message]);
 
+  final String message;
+
   @override
   String toString() => message == null ? 'Exception' : 'Exception: $message';
 }
 
 class AnalysisErrorDescription {
+  AnalysisErrorDescription(this.error, this.line);
+
   static Directory cwd = fs.currentDirectory.absolute;
 
   final AnalysisError error;
   final LineInfo line;
-  AnalysisErrorDescription(this.error, this.line);
 
   ErrorCode get errorCode => error.errorCode;
 
@@ -203,7 +202,6 @@ class AnalysisErrorDescription {
 }
 
 class DriverOptions extends AnalysisOptionsImpl {
-
   DriverOptions() {
     // Set defaults.
     lint = true;
@@ -223,9 +221,6 @@ class DriverOptions extends AnalysisOptionsImpl {
   /// The path to analysis options.
   String analysisOptionsFile;
 
-  /// Analysis options map.
-  Map<Object, Object> analysisOptions;
-
   /// Out sink for logging.
   IOSink outSink = stdout;
 
@@ -247,18 +242,19 @@ class PackageInfo {
   }
 
   Packages _packages;
-  HashMap<String, List<file_system.Folder>> _map =
-      new HashMap<String, List<file_system.Folder>>();
 
   Map<String, List<file_system.Folder>> asMap() => _map;
+  HashMap<String, List<file_system.Folder>> _map =
+      new HashMap<String, List<file_system.Folder>>();
 
   Packages asPackages() => _packages;
 }
 
 class _StdLogger extends Logger {
+  _StdLogger({this.outSink, this.errorSink});
+
   final IOSink outSink;
   final IOSink errorSink;
-  _StdLogger({this.outSink, this.errorSink});
 
   @override
   void logError(String message, [Exception exception]) =>
@@ -267,6 +263,7 @@ class _StdLogger extends Logger {
   @override
   void logInformation(String message, [Exception exception]) {
     // TODO(pq): remove once addressed in analyzer (http://dartbug.com/28285)
-    if (message != 'No definition of type FutureOr') outSink.writeln(message);
+    if (message != 'No definition of type FutureOr')
+      outSink.writeln(message);
   }
 }