Implement postfix indexed increment.

runtime/vm/flow_graph_builder.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_FLOW_GRAPH_BUILDER_H_
 #define VM_FLOW_GRAPH_BUILDER_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 80 matching lines @@
  protected:
   // Helpers for translating parts of the AST.
   void TranslateArgumentList(const ArgumentListNode& node,
                              intptr_t next_temp_index,
                              ZoneGrowableArray<Value*>* values);
 
   void CloseFragment() { exit_ = NULL; }
   intptr_t AllocateTempIndex() { return temp_index_++; }
 
  private:
+  // Specify a value as the final result.  Does nothing in an effect context
+  // but is normally overridden by subclasses.
+  virtual void ReturnValue(Value* value) { }
+
   // Specify a computation as the final result.  Adds a Do instruction to
   // the graph, but normally overridden in subclasses.
   virtual void ReturnComputation(Computation* computation) {
     AddInstruction(new DoInstr(computation));
   }
 
   // Shared global state.
   FlowGraphBuilder* owner_;
 
   // Input parameters.
@@ skipping 99 matching lines @@
     return true_successor_address_;
   }
   TargetEntryInstr** false_successor_address() const {
     ASSERT(can_be_false());
     return false_successor_address_;
   }
 
  private:
   // Construct and concatenate a Branch instruction to this graph fragment.
   // Closes the fragment and sets the output parameters.
-  void BranchOnValue(Value* value);
+  void ReturnValue(Value* value);
 
   // Specify a computation as the final result.  Adds a Bind instruction to
   // the graph and branches on its value.
   virtual void ReturnComputation(Computation* computation) {
     AddInstruction(new BindInstr(temp_index(), computation));
-    BranchOnValue(new TempVal(temp_index()));
+    ReturnValue(new TempVal(temp_index()));
   }
 
   // Output parameters.
   TargetEntryInstr** true_successor_address_;
   TargetEntryInstr** false_successor_address_;
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_BUILDER_H_