Copy Rasta visitor to dart2js.

pkg/compiler/lib/src/kernel/unavailable.dart

Index: pkg/compiler/lib/src/kernel/unavailable.dart
diff --git a/pkg/compiler/lib/src/kernel/unavailable.dart b/pkg/compiler/lib/src/kernel/unavailable.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d97f76cc3913160732cc9a288d27562ff6f0c83f
--- /dev/null
+++ b/pkg/compiler/lib/src/kernel/unavailable.dart
@@ -0,0 +1,133 @@
+// 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.md file.
+
+import "../tree/tree.dart"
+    show
+        AsyncModifier,
+        ClassNode,
+        Combinator,
+        Export,
+        Expression,
+        GotoStatement,
+        Import,
+        LibraryDependency,
+        LibraryName,
+        LibraryTag,
+        Literal,
+        Loop,
+        MixinApplication,
+        Modifiers,
+        NamedMixinApplication,
+        Node,
+        NodeList,
+        Part,
+        PartOf,
+        Postfix,
+        Prefix,
+        Statement,
+        StringInterpolationPart,
+        StringNode,
+        Typedef;
+
+abstract class UnavailableVisitor {
+  void visitNode(Node node) {
+    throw "No RAST available for Node";
+  }
+
+  void visitAsyncModifier(AsyncModifier node) {
+    throw "No RAST available for AsyncModifier";
+  }
+
+  void visitClassNode(ClassNode node) {
+    throw "No RAST available for ClassNode";
+  }
+
+  void visitCombinator(Combinator node) {
+    throw "No RAST available for Combinator";
+  }
+
+  void visitExport(Export node) {
+    throw "No RAST available for Export";
+  }
+
+  void visitExpression(Expression node) {
+    throw "No RAST available for Expression";
+  }
+
+  void visitGotoStatement(GotoStatement node) {
+    throw "No RAST available for GotoStatement";
+  }
+
+  void visitImport(Import node) {
+    throw "No RAST available for Import";
+  }
+
+  void visitLibraryDependency(LibraryDependency node) {
+    throw "No RAST available for LibraryDependency";
+  }
+
+  void visitLibraryName(LibraryName node) {
+    throw "No RAST available for LibraryName";
+  }
+
+  void visitLibraryTag(LibraryTag node) {
+    throw "No RAST available for LibraryTag";
+  }
+
+  void visitLiteral(Literal node) {
+    throw "No RAST available for Literal";
+  }
+
+  void visitLoop(Loop node) {
+    throw "No RAST available for Loop";
+  }
+
+  void visitMixinApplication(MixinApplication node) {
+    throw "No RAST available for MixinApplication";
+  }
+
+  void visitModifiers(Modifiers node) {
+    throw "No RAST available for Modifiers";
+  }
+
+  void visitNamedMixinApplication(NamedMixinApplication node) {
+    throw "No RAST available for NamedMixinApplication";
+  }
+
+  void visitNodeList(NodeList node) {
+    throw "No RAST available for NodeList";
+  }
+
+  void visitPart(Part node) {
+    throw "No RAST available for Part";
+  }
+
+  void visitPartOf(PartOf node) {
+    throw "No RAST available for PartOf";
+  }
+
+  void visitPostfix(Postfix node) {
+    throw "No RAST available for Postfix";
+  }
+
+  void visitPrefix(Prefix node) {
+    throw "No RAST available for Prefix";
+  }
+
+  void visitStatement(Statement node) {
+    throw "No RAST available for Statement";
+  }
+
+  void visitStringNode(StringNode node) {
+    throw "No RAST available for StringNode";
+  }
+
+  void visitStringInterpolationPart(StringInterpolationPart node) {
+    throw "No RAST available for StringInterpolationPart";
+  }
+
+  void visitTypedef(Typedef node) {
+    throw "No RAST available for Typedef";
+  }
+}