Support evaluation of expressions in context of a stack frame

runtime/vm/debugger.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_DEBUGGER_H_
 #define VM_DEBUGGER_H_
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/object.h"
@@ skipping 158 matching lines @@
 
   intptr_t NumLocalVariables();
 
   void VariableAt(intptr_t i,
                   String* name,
                   intptr_t* token_pos,
                   intptr_t* end_pos,
                   Instance* value);
 
   RawArray* GetLocalVariables();
+  RawObject* GetReceiver();
+
   RawContext* GetSavedEntryContext();
   RawContext* GetSavedCurrentContext();
 
+  RawObject* Evaluate(const String& expr);
+
   void PrintToJSONObject(JSONObject* jsobj);
 
  private:
   void PrintContextMismatchError(const String& var_name,
                                  intptr_t ctx_slot,
                                  intptr_t frame_ctx_level,
                                  intptr_t var_ctx_level);
 
   intptr_t PcDescIndex();
   intptr_t TryIndex();
@@ skipping 305 matching lines @@
 
   friend class Isolate;
   friend class SourceBreakpoint;
   DISALLOW_COPY_AND_ASSIGN(Debugger);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_DEBUGGER_H_