Update all Angular libs (run update_all.sh).

third_party/pkg/angular/lib/transformer.dart

+library angular.transformer;
+
+import 'dart:async';
+import 'dart:io';
+import 'package:angular/tools/transformer/expression_generator.dart';
+import 'package:angular/tools/transformer/metadata_generator.dart';
+import 'package:angular/tools/transformer/static_angular_generator.dart';
+import 'package:angular/tools/transformer/html_dart_references_generator.dart';
+import 'package:angular/tools/transformer/options.dart';
+import 'package:barback/barback.dart';
+import 'package:code_transformers/resolver.dart';
+import 'package:di/transformer/injector_generator.dart' as di;
+import 'package:di/transformer/options.dart' as di;
+import 'package:path/path.dart' as path;
+
+
+ /**
+  * The Angular transformer, which internally runs several phases that will:
+  *
+  * * Extract all expressions for evaluation at runtime without using Mirrors.
+  * * Extract all classes being dependency injected into a static injector.
+  * * Extract all metadata for cached reflection.
+  */
+class AngularTransformerGroup implements TransformerGroup {
+  final Iterable<Iterable> phases;
+
+  AngularTransformerGroup(TransformOptions options)
+      : phases = _createPhases(options);
+
+  AngularTransformerGroup.asPlugin(BarbackSettings settings)
+      : this(_parseSettings(settings.configuration));
+}
+
+TransformOptions _parseSettings(Map args) {
+  // Default angular annotations for injectable types
+  var annotations = [
+      'angular.core.annotation_src.Injectable',
+      'angular.core.annotation_src.Decorator',
+      'angular.core.annotation_src.Controller',
+      'angular.core.annotation_src.Component',
+      'angular.core.annotation_src.Formatter'];
+  annotations.addAll(_readStringListValue(args, 'injectable_annotations'));
+
+  // List of types which are otherwise not indicated as being injectable.
+  var injectedTypes = [
+      'perf_api.Profiler',
+  ];
+  injectedTypes.addAll(_readStringListValue(args, 'injected_types'));
+
+  var sdkDir = _readStringValue(args, 'dart_sdk', required: false);
+  if (sdkDir == null) {
+    // Assume the Pub executable is always coming from the SDK.
+    sdkDir =  path.dirname(path.dirname(Platform.executable));
+  }
+
+  var diOptions = new di.TransformOptions(
+      injectableAnnotations: annotations,
+      injectedTypes: injectedTypes,
+      sdkDirectory: sdkDir);
+
+  return new TransformOptions(
+      htmlFiles: _readStringListValue(args, 'html_files'),
+      sdkDirectory: sdkDir,
+      templateUriRewrites: _readStringMapValue(args, 'template_uri_rewrites'),
+      diOptions: diOptions);
+}
+
+_readStringValue(Map args, String name, {bool required: true}) {
+  var value = args[name];
+  if (value == null) {
+    if (required) {
+      print('Angular transformer parameter "$name" '
+          'has no value in pubspec.yaml.');
+    }
+    return null;
+  }
+  if (value is! String) {
+    print('Angular transformer parameter "$name" value '
+        'is not a string in pubspec.yaml.');
+    return null;
+  }
+  return value;
+}
+
+_readStringListValue(Map args, String name) {
+  var value = args[name];
+  if (value == null) return [];
+  var results = [];
+  bool error;
+  if (value is List) {
+    results = value;
+    error = value.any((e) => e is! String);
+  } else if (value is String) {
+    results = [value];
+    error = false;
+  } else {
+    error = true;
+  }
+  if (error) {
+    print('Angular transformer parameter "$name" '
+        'has an invalid value in pubspec.yaml.');
+  }
+  return results;
+}
+
+Map<String, String> _readStringMapValue(Map args, String name) {
+  var value = args[name];
+  if (value == null) return {};
+  if (value is! Map) {
+    print('Angular transformer parameter "$name" '
+        'is expected to be a map parameter.');
+    return {};
+  }
+  if (value.keys.any((e) => e is! String) ||
+      value.values.any((e) => e is! String)) {
+    print('Angular transformer parameter "$name" '
+        'is expected to be a map of strings.');
+    return {};
+  }
+  return value;
+}
+
+List<List<Transformer>> _createPhases(TransformOptions options) {
+  var resolvers = new Resolvers(options.sdkDirectory);
+  return [
+    [new HtmlDartReferencesGenerator(options)],
+    [new _SerialTransformer([
+      new ExpressionGenerator(options, resolvers),
+      new di.InjectorGenerator(options.diOptions, resolvers),
+      new MetadataGenerator(options, resolvers),
+      new StaticAngularGenerator(options, resolvers)
+    ])]
+  ];
+}
+
+/// Helper which runs a group of transformers serially and ensures that
+/// transformers with shared data are always applied in a specific order.
+///
+/// Transformers which communicate only via assets do not need this additional
+/// synchronization.
+///
+/// This is used by Angular to ensure ordering of references to the cached
+/// resolvers.
+class _SerialTransformer extends Transformer {
+  final Iterable<Transformer> _transformers;
+  _SerialTransformer(this._transformers);
+
+  Future<bool> isPrimary(Asset input) =>
+      Future.wait(_transformers.map((t) => t.isPrimary(input)))
+          .then((l) => l.any((result) => result));
+
+  Future apply(Transform transform) {
+    return Future.forEach(_transformers, (t) {
+      return new Future.value(t.isPrimary(transform.primaryInput))
+        .then((isPrimary) {
+          if (isPrimary) return t.apply(transform);
+        });
+    });
+  }
+}