Fasta builders.

pkg/fasta/lib/src/builder/mixin_application_builder.dart

Index: pkg/fasta/lib/src/builder/mixin_application_builder.dart
diff --git a/pkg/fasta/lib/src/builder/mixin_application_builder.dart b/pkg/fasta/lib/src/builder/mixin_application_builder.dart
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index 0000000000000000000000000000000000000000..86c3b2d6917c95d2ce4edea1e5a6279e85090432
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+++ b/pkg/fasta/lib/src/builder/mixin_application_builder.dart
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+// Copyright (c) 2016, 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.
+
+library fasta.mixin_application_builder;
+
+import 'builder.dart' show
+    TypeBuilder;
+
+import 'scope.dart' show
+    Scope;
+
+abstract class MixinApplicationBuilder<T extends TypeBuilder>
+    extends TypeBuilder {
+  final T supertype;
+  final List<T> mixins;
+
+  MixinApplicationBuilder(this.supertype, this.mixins);
+
+  void resolveIn(Scope scope) {
+    supertype.resolveIn(scope);
+    for (T t in mixins) {
+      t.resolveIn(scope);
+    }
+  }
+
+  String get debugName => "MixinApplicationBuilder";
+
+  StringBuffer printOn(StringBuffer buffer) {
+    buffer.write(supertype);
+    buffer.write(" with ");
+    bool first = true;
+    for (T t in mixins) {
+      if (!first) buffer.write(", ");
+      first = false;
+      t.printOn(buffer);
+    }
+    return buffer;
+  }
+}