Fasta dill builders.

pkg/fasta/lib/src/dill/dill_class_builder.dart

Index: pkg/fasta/lib/src/dill/dill_class_builder.dart
diff --git a/pkg/fasta/lib/src/dill/dill_class_builder.dart b/pkg/fasta/lib/src/dill/dill_class_builder.dart
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+++ b/pkg/fasta/lib/src/dill/dill_class_builder.dart
@@ -0,0 +1,51 @@
+// 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.dill_class_builder;
+
+import 'package:kernel/ast.dart' show
+    Class,
+    Constructor,
+    Member,
+    Procedure,
+    ProcedureKind;
+
+import '../kernel/kernel_builder.dart' show
+    Builder,
+    KernelClassBuilder;
+
+import 'dill_member_builder.dart' show
+    DillMemberBuilder;
+
+import 'dill_library_builder.dart' show
+    DillLibraryBuilder;
+
+class DillClassBuilder extends KernelClassBuilder {
+  final Class cls;
+
+  final Map<String, Builder> constructors = <String, Builder>{};
+
+  DillClassBuilder(Class cls, DillLibraryBuilder parent)
+      : cls = cls,
+        super(null, null, cls.name, null, null, null, <String, Builder>{},
+            null, parent);
+
+  void addMember(Member member) {
+    DillMemberBuilder builder = new DillMemberBuilder(member, this);
+    String name = member.name.name;
+    if (member is Constructor ||
+        (member is Procedure && member.kind == ProcedureKind.Factory)) {
+      constructors[name] = builder;
+    } else {
+      DillMemberBuilder existing = members[name];
+      if (existing == null) {
+        members[name] = builder;
+      } else {
+        existing.next = builder;
+      }
+    }
+  }
+
+  Builder findConstructorOrFactory(String name) => constructors[name];
+}