Range feedback for binary integer operations.

runtime/vm/symbols.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_SYMBOLS_H_
 #define VM_SYMBOLS_H_
 
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
 
 namespace dart {
 
 // Forward declarations.
 class Isolate;
 class ObjectPointerVisitor;
 
 // One-character symbols are added implicitly.
 #define PREDEFINED_SYMBOLS_LIST(V)                                             \
   V(Empty, "")                                                                 \
   V(EqualOperator, "==")                                                       \
   V(GreaterEqualOperator, ">=")                                                \
   V(LessEqualOperator, "<=")                                                   \
+  V(LeftShiftOperator, "<<")                                                   \
+  V(RightShiftOperator, ">>")                                                  \
+  V(TruncDivOperator, "~/")                                                    \
   V(UnaryMinus, "unary-")                                                      \
   V(Identical, "identical")                                                    \
   V(Length, "length")                                                          \
   V(IndexToken, "[]")                                                          \
   V(AssignIndexToken, "[]=")                                                   \
   V(TopLevel, "::")                                                            \
   V(DefaultLabel, ":L")                                                        \
   V(This, "this")                                                              \
   V(Other, "other")                                                            \
   V(Super, "super")                                                            \
@@ skipping 430 matching lines @@
   }
   static const String& Slash() {
     return *(symbol_handles_[kNullCharId + '/']);
   }
   static const String& At() {
     return *(symbol_handles_[kNullCharId + '@']);
   }
   static const String& Semicolon() {
     return *(symbol_handles_[kNullCharId + ';']);
   }
+  static const String& Star() {
+    return *(symbol_handles_[kNullCharId + '*']);
+  }
+  static const String& Percent() {
+    return *(symbol_handles_[kNullCharId + '%']);
+  }
+  static const String& Caret() {
+    return *(symbol_handles_[kNullCharId + '^']);
+  }
+  static const String& Tilde() {
+    return *(symbol_handles_[kNullCharId + '~']);
+  }
 
   // Access methods for symbol handles stored in the vm isolate.
 #define DEFINE_SYMBOL_HANDLE_ACCESSOR(symbol, literal)                         \
   static const String& symbol() { return *(symbol_handles_[k##symbol##Id]); }
 PREDEFINED_SYMBOLS_LIST(DEFINE_SYMBOL_HANDLE_ACCESSOR)
 #undef DEFINE_SYMBOL_HANDLE_ACCESSOR
 
   // Get symbol for scanner keyword.
   static const String& Keyword(Token::Kind keyword);
 
@@ skipping 76 matching lines @@
   friend class SnapshotReader;
   friend class SnapshotWriter;
   friend class ApiMessageReader;
 
   DISALLOW_COPY_AND_ASSIGN(Symbols);
 };
 
 }  // namespace dart
 
 #endif  // VM_SYMBOLS_H_