Added a debugger call to run a JavaScript function in the debugger. When call...

src/debug.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 340 matching lines @@
   static void OnBeforeCompile(Handle<Script> script);
   static void OnAfterCompile(Handle<Script> script,
                            Handle<JSFunction> fun);
   static void OnNewFunction(Handle<JSFunction> fun);
   static void ProcessDebugEvent(v8::DebugEvent event,
                                 Handle<Object> event_data);
   static void SetMessageHandler(v8::DebugMessageHandler handler, void* data);
   static void SendMessage(Vector<uint16_t> message);
   static void ProcessCommand(Vector<const uint16_t> command);
   static void UpdateActiveDebugger();
+  static Handle<Object> Call(Handle<JSFunction> fun,
+                             Handle<Object> data,
+                             bool* pending_exception);
+
   inline static bool EventActive(v8::DebugEvent event) {
     // Currently argument event is not used.
     return !Debugger::compiling_natives_ && Debugger::debugger_active_;
   }
 
   static void set_debugger_active(bool debugger_active) {
     Debugger::debugger_active_ = debugger_active;
   }
   static bool debugger_active() { return Debugger::debugger_active_; }
   static void set_compiling_natives(bool compiling_natives) {
@@ skipping 126 matching lines @@
   ~EnterDebugger() {
     if (set_) {
       // Restore to the previous break state.
       Top::set_break(break_frame_id_, break_id_);
     }
   }
 
   // Check whether the debugger could be entered.
   inline bool FailedToEnter() { return load_failed_; }
 
+  // Check whether there are any JavaScript frames on the stack.
+  inline bool HasJavaScriptFrames() { return set_; }
+
  private:
   JavaScriptFrameIterator it_;
   const bool set_;  // Was the break actually set?
   StackFrame::Id break_frame_id_;  // Previous break frame id.
   int break_id_;  // Previous break id.
   bool load_failed_;  // Did the debugger fail to load?
   SaveContext save_;  // Saves previous context.
 };
 
 
@@ skipping 53 matching lines @@
   }
  private:
   Debug::AddressId id_;
   int reg_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8_DEBUG_H_