Adding unary op optimizations. missing assembly operations/

runtime/vm/token.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/token.h"
 
 #include "vm/object.h"
 
 namespace dart {
 
@@ skipping 48 matching lines @@
       case '>' : return name.CharAt(1) == '>' ? Token::kSHR : Token::kILLEGAL;
       case '~' :
           return name.CharAt(1) == '/' ? Token::kTRUNCDIV : Token::kILLEGAL;
       default: return Token::kILLEGAL;  // Not a binary operation.
     }
   }
   return Token::kILLEGAL;
 }
 
 
+Token::Kind Token::GetUnaryOp(const String& name) {
+  if (name.Equals(Str(Token::kNEGATE))) {
+    return Token::kNEGATE;
+  }
+  if ((name.Length() == 1) && (name.CharAt(0) == '~')) {
+    return Token::kBIT_NOT;
+  }
+  return Token::kILLEGAL;
+}
+
+
 }  // namespace dart