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

vm/parser.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_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "vm/ast.h"
@@ skipping 108 matching lines @@
 
   // Parsing a library or a regular source script.
   bool is_library_source() const {
     return (script_.kind() == RawScript::kScript) ||
         (script_.kind() == RawScript::kLibrary);
   }
 
   inline Token::Kind CurrentToken();
   Token::Kind LookaheadToken(int num_tokens);
   String* CurrentLiteral() const;
+  RawDouble* CurrentDoubleLiteral() const;
+  RawInteger* CurrentIntegerLiteral() const;
 
   // Sets parser to given token position in the stream.
   void SetPosition(intptr_t position);
 
   void ConsumeToken() {
     // Reset cache and advance the token.
     token_kind_ = Token::kILLEGAL;
     token_index_++;
     CompilerStats::num_tokens_consumed++;
   }
@@ skipping 322 matching lines @@
   // code at all points in the try block where an exit from the block is
   // done using 'return', 'break' or 'continue' statements.
   TryBlocks* try_blocks_list_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_