Access to imports in the VM's runtime mirrors. Extend test coverage of the source mirrors.

runtime/vm/raw_object.h

 // 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.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 805 matching lines @@
 
 class RawNamespace : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Namespace);
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->library_);
   }
   RawLibrary* library_;          // library with name dictionary.
   RawArray* show_names_;         // list of names that are exported.
   RawArray* hide_names_;         // blacklist of names that are not exported.
+  RawField* metadata_field_;     // remembers the token pos of metadata if any,
+                                 // and the metadata values if computed.
   RawObject** to() {
-    return reinterpret_cast<RawObject**>(&ptr()->hide_names_);
+    return reinterpret_cast<RawObject**>(&ptr()->metadata_field_);
   }
 };
 
 
 class RawCode : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Code);
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->instructions_);
   }
@@ skipping 949 matching lines @@
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 14);
   ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 15);
   ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 14);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_