First stab at mixins in VM compiler

runtime/vm/token.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_TOKEN_H_
 #define VM_TOKEN_H_
 
 #include "platform/assert.h"
 
 namespace dart {
@@ skipping 167 matching lines @@
   KW(kSTATIC, "static", 0, kPseudoKeyword)                                     \
   KW(kSUPER, "super", 0, kKeyword)                                             \
   KW(kSWITCH, "switch", 0, kKeyword)                                           \
   KW(kTHIS, "this", 0, kKeyword)                                               \
   KW(kTHROW, "throw", 0, kKeyword)                                             \
   KW(kTRUE, "true", 0, kKeyword)                                               \
   KW(kTRY, "try", 0, kKeyword)                                                 \
   KW(kTYPEDEF, "typedef", 0, kPseudoKeyword)                                   \
   KW(kVAR, "var", 0, kKeyword)                                                 \
   KW(kVOID, "void", 0, kKeyword)                                               \
-  KW(kWHILE, "while", 0, kKeyword) /* == kLastKeyword */
+  KW(kWHILE, "while", 0, kKeyword)                                             \
+  KW(kWITH, "with", 0, kKeyword) /* == kLastKeyword */
 
 
 class String;
 
 class Token {
  public:
 #define T(t, s, p, a) t,
   enum Kind {
     DART_TOKEN_LIST(T)
     DART_KEYWORD_LIST(T)
     kNumTokens
   };
 #undef T
 
   enum Attribute {
     kNoAttribute     = 0,
     kKeyword         = 1 << 0,
     kPseudoKeyword   = 1 << 1,
   };
 
   static const Kind kFirstKeyword = kABSTRACT;
-  static const Kind kLastKeyword = kWHILE;
-  static const int  numKeywords = kWHILE - kABSTRACT + 1;
+  static const Kind kLastKeyword = kWITH;
+  static const int  numKeywords = kLastKeyword - kFirstKeyword + 1;
 
   static bool IsAssignmentOperator(Kind tok) {
     return kASSIGN <= tok && tok <= kASSIGN_MOD;
   }
 
   static bool IsRelationalOperator(Kind tok) {
     return kLT <= tok && tok <= kGTE;
   }
 
   static bool IsEqualityOperator(Kind tok) {
@@ skipping 74 matching lines @@
   static const char* name_[];
   static const char* tok_str_[];
   static const uint8_t precedence_[];
   static const Attribute attributes_[];
 };
 
 
 }  // namespace dart
 
 #endif  // VM_TOKEN_H_