feat(dart/transform): Introduce @AngularEntrypoint()

modules/angular2/angular2.dart

@@ -9,6 +9,7 @@ export 'package:angular2/core.dart'
     hide forwardRef, resolveForwardRef, ForwardRefFn;
 export 'package:angular2/common.dart';
 export 'package:angular2/instrumentation.dart';
+export 'package:angular2/src/core/angular_entrypoint.dart' show AngularEntrypoint;
 export 'package:angular2/src/core/application_tokens.dart'
     hide APP_COMPONENT_REF_PROMISE, APP_ID_RANDOM_PROVIDER;
 export 'package:angular2/src/platform/dom/dom_tokens.dart';

modules/angular2/bootstrap.ts

@@ -3,3 +3,4 @@
  * @deprecated
  */
 export {bootstrap} from 'angular2/platform/browser';
+export {AngularEntrypoint} from 'angular2/src/core/angular_entrypoint';

modules/angular2/bootstrap_static.ts

@@ -3,3 +3,4 @@
  * @deprecated
  */
 export {bootstrapStatic} from 'angular2/platform/browser_static';
+export {AngularEntrypoint} from 'angular2/src/core/angular_entrypoint';

modules/angular2/platform/browser.ts

@@ -1,3 +1,4 @@
+export {AngularEntrypoint} from 'angular2/src/core/angular_entrypoint';
 export {
   BROWSER_PROVIDERS,
   ELEMENT_PROBE_BINDINGS,

modules/angular2/platform/browser_static.ts

@@ -1,3 +1,4 @@
+export {AngularEntrypoint} from 'angular2/src/core/angular_entrypoint';
 export {
   BROWSER_PROVIDERS,
   ELEMENT_PROBE_BINDINGS,
@@ -10,13 +11,13 @@ export {
   disableDebugTools
 } from 'angular2/src/platform/browser_common';
 
-import {Type, isPresent, CONST_EXPR} from 'angular2/src/facade/lang';
+import {Type, isPresent} from 'angular2/src/facade/lang';
 import {Promise} from 'angular2/src/facade/promise';
 import {
   BROWSER_PROVIDERS,
   BROWSER_APP_COMMON_PROVIDERS
 } from 'angular2/src/platform/browser_common';
-import {ComponentRef, platform, reflector} from 'angular2/core';
+import {ComponentRef, platform} from 'angular2/core';
 
 /**
  * An array of providers that should be passed into `application()` when bootstrapping a component

modules/angular2/src/core/angular_entrypoint.ts

@@ -0,0 +1,22 @@
+import {CONST} from 'angular2/src/facade/lang';
+
+/**
+ * Marks a function or method as an Angular 2 entrypoint. Only necessary in Dart code.
+ *
+ * The optional `name` parameter will be reflected in logs when the entry point is processed.
+ *
+ * See [the wiki][] for detailed documentation.
+ * [the wiki]: https://github.com/angular/angular/wiki/Angular-2-Dart-Transformer#entry_points
+ *
+ * ## Example
+ *
+ * ```
+ * @AngularEntrypoint("name-for-debug")
+ * void main() {
+ *   bootstrap(MyComponent);
+ * }
+ */
+@CONST()
+export class AngularEntrypoint {
+  constructor(public name?: String) {}
+}

modules/angular2/test/public_api_spec.ts

@@ -76,6 +76,8 @@ var NG_ALL = [
   'AbstractControlDirective.valid',
   'AbstractControlDirective.value',
   'AbstractControlDirective.path',
+  'AngularEntrypoint',
+  'AngularEntrypoint.name',
   'AppRootUrl',
   'AppRootUrl.value',
   'AppRootUrl.value=',