Fasta builders.

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

Index: pkg/fasta/lib/src/builder/library_builder.dart
diff --git a/pkg/fasta/lib/src/builder/library_builder.dart b/pkg/fasta/lib/src/builder/library_builder.dart
new file mode 100644
index 0000000000000000000000000000000000000000..3ebfc671ed17aa4acb9dc9c54cdfdd41347daf34
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+++ b/pkg/fasta/lib/src/builder/library_builder.dart
@@ -0,0 +1,65 @@
+// 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.library_builder;
+
+import '../combinator.dart' show
+    Combinator;
+
+import '../errors.dart' show
+    InputError;
+
+import '../export.dart' show
+    Export;
+
+import '../loader.dart' show
+    Loader;
+
+import 'builder.dart' show
+    Builder,
+    InvalidTypeBuilder,
+    TypeBuilder;
+
+import 'scope.dart' show
+   Scope;
+
+abstract class LibraryBuilder<T extends TypeBuilder, R> extends Builder {
+  final List<Export> exporters = <Export>[];
+
+  final List<InputError> compileTimeErrors = <InputError>[];
+
+  LibraryBuilder partOfLibrary;
+
+  Loader get loader;
+
+  Uri get uri;
+
+  Map<String, Builder> get members;
+
+  // TODO(ahe): Move this to SourceLibraryBuilder.
+  Scope get scope;
+
+  Map<String, Builder> get exports;
+
+  Builder addBuilder(String name, Builder builder);
+
+  void addExporter(LibraryBuilder exporter, List<Combinator> combinators) {
+    exporters.add(new Export(exporter, this, combinators));
+  }
+
+  void addCompileTimeError(int charOffset, Object message) {
+    InputError error = new InputError(uri, charOffset, message);
+    compileTimeErrors.add(error);
+    print(error.format());
+  }
+
+  bool addToExportScope(String name, Builder member);
+
+  void addToScope(String name, Builder member);
+
+  InvalidTypeBuilder buildAmbiguousBuilder(
+      String name, Builder builder, Builder other);
+
+  int finishStaticInvocations() => 0;
+}