Start adding support for mixin application syntax. We now parse the typedef variant of mixin applic…

tests/compiler/dart2js/unparser_test.dart

 // Copyright (c) 2012, 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 'dart:uri';
 import 'parser_helper.dart';
 import 'mock_compiler.dart';
 import '../../../sdk/lib/_internal/compiler/implementation/tree/tree.dart';
 
 testUnparse(String statement) {
@@ skipping 269 matching lines @@
   testUnparseMemberAndAsMemberOfFoo(
       "external const factory Foo() = prefix.Bar<List<T>,T>.baz;");
 }
 
 testClassDeclarations() {
   testUnparseTopLevelWithMetadata('class Foo{}');
   testUnparseTopLevelWithMetadata('abstract class Foo{}');
   testUnparseTopLevelWithMetadata('class Fisk{operator-(x){}}');
 }
 
+testMixinApplications() {
+  testUnparseTopLevelWithMetadata('typedef C = S with M;');
+  testUnparseTopLevelWithMetadata('typedef C = S with M1,M2;');
+  testUnparseTopLevelWithMetadata('typedef C = S with M1,M2,M3;');
+
+  testUnparseTopLevelWithMetadata('typedef C<A> = S with M;');
+  testUnparseTopLevelWithMetadata('typedef C<A,B> = S with M;');
+
+  testUnparseTopLevelWithMetadata('typedef C = S<A> with M;');
+  testUnparseTopLevelWithMetadata('typedef C = S<A,B> with M;');
+
+  testUnparseTopLevelWithMetadata('typedef C = S with M<A>;');
+  testUnparseTopLevelWithMetadata('typedef C = S with M<A,B>;');
+  testUnparseTopLevelWithMetadata('typedef C = S with M1<A>,M2;');
+  testUnparseTopLevelWithMetadata('typedef C = S with M1,M2<A,B>;');
+}
+
 main() {
   testSignedConstants();
   testGenericTypes();
   testForLoop();
   testEmptyList();
   testClosure();
   testIndexedOperatorDecl();
   testNativeMethods();
   testPrefixIncrements();
   testConstModifier();
   testSimpleObjectInstantiation();
   testLibraryName();
   testImport();
   testExport();
   testPart();
   testPartOf();
   testCombinators();
   testRedirectingFactoryConstructors();
   testClassDeclarations();
+  testMixinApplications();
 }