Changes to shrink the token stream representation from two words to one word.

vm/snapshot.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_SNAPSHOT_H_
 #define VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 15 matching lines @@
 class RawArray;
 class RawClass;
 class RawContext;
 class RawDouble;
 class RawField;
 class RawFourByteString;
 class RawFunction;
 class RawImmutableArray;
 class RawLibrary;
 class RawLibraryPrefix;
+class RawLiteralToken;
 class RawMint;
 class RawObject;
 class RawOneByteString;
 class RawScript;
 class RawSmi;
 class RawTokenStream;
 class RawType;
 class RawTypeParameter;
 class RawTypeArguments;
 class RawTwoByteString;
@@ skipping 319 matching lines @@
   RawMint* NewMint(int64_t value);
   RawDouble* NewDouble(double value);
   RawUnresolvedClass* NewUnresolvedClass();
   RawType* NewType();
   RawTypeParameter* NewTypeParameter();
   RawFunction* NewFunction();
   RawField* NewField();
   RawLibrary* NewLibrary();
   RawLibraryPrefix* NewLibraryPrefix();
   RawScript* NewScript();
+  RawLiteralToken* NewLiteralToken();
 
  private:
   // Allocate uninitialized objects, this is used when reading a full snapshot.
   RawObject* AllocateUninitialized(const Class& cls, intptr_t size);
 
   // Internal implementation of ReadObject once the header value is read.
   RawObject* ReadObjectImpl(intptr_t header);
 
   // Read an object that was serialized as an Id (singleton, object store,
   // or an object that was already serialized before).
@@ skipping 169 matching lines @@
 
  private:
   SnapshotWriter* writer_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_SNAPSHOT_H_