diff --git a/include/lldb/API/SBAddress.h b/include/lldb/API/SBAddress.h
index b717261..31aa68f 100644
--- a/include/lldb/API/SBAddress.h
+++ b/include/lldb/API/SBAddress.h
@@ -66,7 +66,7 @@
 
 private:
 
-    std::auto_ptr<lldb_private::Address> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::Address> m_opaque_ap;
 };
 
 
diff --git a/include/lldb/API/SBBlock.h b/include/lldb/API/SBBlock.h
index bf2eb03..b6ef188 100644
--- a/include/lldb/API/SBBlock.h
+++ b/include/lldb/API/SBBlock.h
@@ -35,7 +35,7 @@
     SBBlock (lldb_private::Block *lldb_object_ptr);
 
 
-    lldb_private::Block *m_lldb_object_ptr;
+    lldb_private::Block *m_opaque_ptr;
 };
 
 
diff --git a/include/lldb/API/SBBreakpoint.h b/include/lldb/API/SBBreakpoint.h
index 3b9642d..c2ad910 100644
--- a/include/lldb/API/SBBreakpoint.h
+++ b/include/lldb/API/SBBreakpoint.h
@@ -140,7 +140,7 @@
                                   lldb::user_id_t break_id, 
                                   lldb::user_id_t break_loc_id);
     
-    lldb::BreakpointSP m_break_sp;
+    lldb::BreakpointSP m_opaque_sp;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBBreakpointLocation.h b/include/lldb/API/SBBreakpointLocation.h
index e107977..02cc409 100644
--- a/include/lldb/API/SBBreakpointLocation.h
+++ b/include/lldb/API/SBBreakpointLocation.h
@@ -82,7 +82,7 @@
     void
     SetLocation (const lldb::BreakpointLocationSP &break_loc_sp);
 
-    lldb::BreakpointLocationSP m_break_loc_sp;
+    lldb::BreakpointLocationSP m_opaque_sp;
 
 };
 
diff --git a/include/lldb/API/SBBroadcaster.h b/include/lldb/API/SBBroadcaster.h
index 21632c7..0ef408c 100644
--- a/include/lldb/API/SBBroadcaster.h
+++ b/include/lldb/API/SBBroadcaster.h
@@ -66,16 +66,20 @@
 
     SBBroadcaster (lldb_private::Broadcaster *broadcaster, bool owns);
 
+#ifndef SWIG
+
     lldb_private::Broadcaster *
-    GetLLDBObjectPtr () const;
+    get () const;
 
     void
-    SetLLDBObjectPtr (lldb_private::Broadcaster *broadcaster, bool owns);
+    reset (lldb_private::Broadcaster *broadcaster, bool owns);
+
+#endif
 
 private:
 
-    lldb_private::Broadcaster *m_lldb_object;
-    bool m_lldb_object_owned;
+    lldb_private::Broadcaster *m_opaque;
+    bool m_opaque_owned;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBCommandContext.h b/include/lldb/API/SBCommandContext.h
index ab91050..b844be2 100644
--- a/include/lldb/API/SBCommandContext.h
+++ b/include/lldb/API/SBCommandContext.h
@@ -19,7 +19,7 @@
 {
 public:
 
-    SBCommandContext (lldb_private::CommandContext *lldb_object);
+    SBCommandContext (lldb_private::Debugger *lldb_object);
 
     ~SBCommandContext ();
 
@@ -28,7 +28,7 @@
 
 private:
 
-    lldb_private::CommandContext *m_lldb_object;
+    lldb_private::Debugger *m_opaque;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBCommandInterpreter.h b/include/lldb/API/SBCommandInterpreter.h
index 965a47e..5101a4c 100644
--- a/include/lldb/API/SBCommandInterpreter.h
+++ b/include/lldb/API/SBCommandInterpreter.h
@@ -28,6 +28,9 @@
     ~SBCommandInterpreter ();
 
     bool
+    IsValid() const;
+
+    bool
     CommandExists (const char *cmd);
 
     bool
@@ -86,17 +89,20 @@
 protected:
 
     lldb_private::CommandInterpreter &
-    GetLLDBObjectRef ();
+    ref ();
 
     lldb_private::CommandInterpreter *
-    GetLLDBObjectPtr ();
+    get ();
 
+    void
+    reset (lldb_private::CommandInterpreter *);
 private:
     friend class SBDebugger;
 
-    SBCommandInterpreter (lldb_private::CommandInterpreter &interpreter_ptr);   // Access using SBDebugger::GetSharedInstance().GetCommandInterpreter();
+    SBCommandInterpreter (lldb_private::CommandInterpreter *interpreter_ptr = NULL);   // Access using SBDebugger::GetCommandInterpreter();
 
-    lldb_private::CommandInterpreter &m_interpreter;
+    
+    lldb_private::CommandInterpreter *m_opaque_ptr;
 };
 
 
diff --git a/include/lldb/API/SBCommandReturnObject.h b/include/lldb/API/SBCommandReturnObject.h
index 899f78d..6ce8bfb 100644
--- a/include/lldb/API/SBCommandReturnObject.h
+++ b/include/lldb/API/SBCommandReturnObject.h
@@ -62,17 +62,27 @@
     friend class SBCommandInterpreter;
     friend class SBOptions;
 
+
+#ifndef SWIG
+
     lldb_private::CommandReturnObject *
-    GetLLDBObjectPtr();
+    operator->() const;
+
+    lldb_private::CommandReturnObject *
+    get() const;
 
     lldb_private::CommandReturnObject &
-    GetLLDBObjectRef();
+    operator*() const;
 
+    lldb_private::CommandReturnObject &
+    ref() const;
+
+#endif
     void
     SetLLDBObjectPtr (lldb_private::CommandReturnObject *ptr);
 
  private:
-    std::auto_ptr<lldb_private::CommandReturnObject> m_return_object_ap;
+    std::auto_ptr<lldb_private::CommandReturnObject> m_opaque_ap;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBCommunication.h b/include/lldb/API/SBCommunication.h
index 1d7fb7d..0dc494a 100644
--- a/include/lldb/API/SBCommunication.h
+++ b/include/lldb/API/SBCommunication.h
@@ -87,8 +87,8 @@
 //    void
 //    CreateIfNeeded ();
 
-    lldb_private::Communication *m_lldb_object;
-    bool m_lldb_object_owned;
+    lldb_private::Communication *m_opaque;
+    bool m_opaque_owned;
 };
 
 
diff --git a/include/lldb/API/SBCompileUnit.h b/include/lldb/API/SBCompileUnit.h
index 5b45b56..43be819 100644
--- a/include/lldb/API/SBCompileUnit.h
+++ b/include/lldb/API/SBCompileUnit.h
@@ -66,7 +66,7 @@
 
 #endif
 
-    lldb_private::CompileUnit *m_lldb_object_ptr;
+    lldb_private::CompileUnit *m_opaque_ptr;
 };
 
 
diff --git a/include/lldb/API/SBDebugger.h b/include/lldb/API/SBDebugger.h
index 6446fca..d55a77e 100644
--- a/include/lldb/API/SBDebugger.h
+++ b/include/lldb/API/SBDebugger.h
@@ -25,95 +25,90 @@
     static void
     Terminate();
     
-    static void
+    static SBDebugger
+    Create();
+
+    ~SBDebugger();
+
+    bool
+    IsValid() const;
+
+    void
     SetAsync (bool b);
 
-    static void
-    SetInputFile (const char *tty_name);    // DEPRECATED: will be removed in next submission
-
-    static void
-    SetOutputFile (const char *tty_name);   // DEPRECATED: will be removed in next submission
-
-    static void
-    SetErrorFile (const char *tty_name);    // DEPRECATED: will be removed in next submission
-
-    static void
+    void
     SetInputFileHandle (FILE *f, bool transfer_ownership);
 
-    static void
+    void
     SetOutputFileHandle (FILE *f, bool transfer_ownership);
 
-    static void
+    void
     SetErrorFileHandle (FILE *f, bool transfer_ownership);
 
-    static FILE *
+    FILE *
     GetInputFileHandle ();
 
-    static FILE *
+    FILE *
     GetOutputFileHandle ();
 
-    static FILE *
+    FILE *
     GetErrorFileHandle ();
 
-    static lldb::SBCommandInterpreter
+    lldb::SBCommandInterpreter
     GetCommandInterpreter ();
 
-    static void
+    void
     HandleCommand (const char *command);
 
-    static lldb::SBListener
+    lldb::SBListener
     GetListener ();
 
-    static void
+    void
     HandleProcessEvent (const lldb::SBProcess &process,
                         const lldb::SBEvent &event,
                         FILE *out,
                         FILE *err);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     CreateTargetWithFileAndTargetTriple (const char *filename,
                                          const char *target_triple);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     CreateTargetWithFileAndArch (const char *filename,
                                  const char *archname);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     CreateTarget (const char *filename);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     GetTargetAtIndex (uint32_t idx);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     FindTargetWithProcessID (pid_t pid);
 
-    static lldb::SBTarget
+    lldb::SBTarget
     FindTargetWithFileAndArch (const char *filename,
                                const char *arch);
 
-    static uint32_t
+    uint32_t
     GetNumTargets ();
 
-    static lldb::SBTarget
+    lldb::SBTarget
     GetCurrentTarget ();
 
-    static void
+    void
     UpdateCurrentThread (lldb::SBProcess &process);
 
-    static void
-    ReportCurrentLocation (FILE *out = stdout,
-                           FILE *err = stderr);
-
-    static lldb::SBSourceManager &
+    lldb::SBSourceManager &
     GetSourceManager ();
 
-    static bool
+    bool
     GetDefaultArchitecture (char *arch_name, size_t arch_name_len);
 
-    static bool
+    bool
     SetDefaultArchitecture (const char *arch_name);
 
-    static lldb::ScriptLanguage
+    lldb::ScriptLanguage
     GetScriptingLanguage (const char *script_language_name);
 
     static const char *
@@ -128,19 +123,39 @@
     static bool
     StateIsStoppedState (lldb::StateType state);
 
-    static void
+    void
     DispatchInput (void *baton, const void *data, size_t data_len);
 
-    static void
+    void
     PushInputReader (lldb::SBInputReader &reader);
 
 private:
-#ifndef SWIG
-    friend class SBProcess;
 
-    static lldb::SBTarget
+    // Use the static function: SBDebugger::Create();
+    SBDebugger();
+
+#ifndef SWIG
+
+    friend class SBInputReader;
+    friend class SBProcess;
+    friend class SBTarget;
+    
+    lldb::SBTarget
     FindTargetWithLLDBProcess (const lldb::ProcessSP &processSP);
+
+    void
+    reset (const lldb::DebuggerSP &debugger_sp);
+
+    lldb_private::Debugger *
+    get () const;
+
+    lldb_private::Debugger &
+    ref () const;
+
 #endif
+    
+    lldb::DebuggerSP m_opaque_sp;
+
 }; // class SBDebugger
 
 
diff --git a/include/lldb/API/SBError.h b/include/lldb/API/SBError.h
index 325f9e9..fcd9a92 100644
--- a/include/lldb/API/SBError.h
+++ b/include/lldb/API/SBError.h
@@ -90,7 +90,7 @@
     SetError (const lldb_private::Error &lldb_error);
 
 private:
-    std::auto_ptr<lldb_private::Error> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::Error> m_opaque_ap;
 
     void
     CreateIfNeeded ();
diff --git a/include/lldb/API/SBEvent.h b/include/lldb/API/SBEvent.h
index 8bceb18..cac9fb5 100644
--- a/include/lldb/API/SBEvent.h
+++ b/include/lldb/API/SBEvent.h
@@ -64,25 +64,26 @@
 
     SBEvent (lldb::EventSP &event_sp);
 
+#ifndef SWIG
+
     lldb::EventSP &
-    GetSharedPtr () const;
+    GetSP () const;
 
     void
-    SetEventSP (lldb::EventSP &event_sp);
+    reset (lldb::EventSP &event_sp);
 
     void
-    SetLLDBObjectPtr (lldb_private::Event* event);
+    reset (lldb_private::Event* event);
 
     lldb_private::Event *
-    GetLLDBObjectPtr ();
+    get () const;
 
-    const lldb_private::Event *
-    GetLLDBObjectPtr () const;
+#endif
 
 private:
 
     mutable lldb::EventSP m_event_sp;
-    mutable lldb_private::Event *m_lldb_object;
+    mutable lldb_private::Event *m_opaque;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBFileSpec.h b/include/lldb/API/SBFileSpec.h
index 8265318..770ec5b 100644
--- a/include/lldb/API/SBFileSpec.h
+++ b/include/lldb/API/SBFileSpec.h
@@ -54,6 +54,7 @@
     friend class SBHostOS;
     friend class SBModule;
     friend class SBSourceManager;
+    friend class SBThread;
     friend class SBTarget;
 
     void
@@ -74,7 +75,7 @@
 
 #endif
 
-    std::auto_ptr <lldb_private::FileSpec> m_lldb_object_ap;
+    std::auto_ptr <lldb_private::FileSpec> m_opaque_ap;
 };
 
 
diff --git a/include/lldb/API/SBFrame.h b/include/lldb/API/SBFrame.h
index cd22f2d..f5898d7 100644
--- a/include/lldb/API/SBFrame.h
+++ b/include/lldb/API/SBFrame.h
@@ -122,7 +122,7 @@
     void
     SetFrame (const lldb::StackFrameSP &lldb_object_sp);
 
-    lldb::StackFrameSP m_lldb_object_sp;
+    lldb::StackFrameSP m_opaque_sp;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBFunction.h b/include/lldb/API/SBFunction.h
index 152a52d..6f4a90a 100644
--- a/include/lldb/API/SBFunction.h
+++ b/include/lldb/API/SBFunction.h
@@ -46,7 +46,7 @@
     SBFunction (lldb_private::Function *lldb_object_ptr);
 
 
-    lldb_private::Function *m_lldb_object_ptr;
+    lldb_private::Function *m_opaque_ptr;
 };
 
 
diff --git a/include/lldb/API/SBInputReader.h b/include/lldb/API/SBInputReader.h
index a69bf47..90dcd70 100644
--- a/include/lldb/API/SBInputReader.h
+++ b/include/lldb/API/SBInputReader.h
@@ -36,7 +36,8 @@
 
 
     SBError
-    Initialize (Callback callback,
+    Initialize (SBDebugger &debugger,
+                Callback callback,
                 void *callback_baton,
                 lldb::InputReaderGranularity granularity,
                 const char *end_token,
@@ -76,21 +77,26 @@
 
     const lldb::InputReaderSP &
     operator *() const;
-#endif
 
     lldb_private::InputReader *
     get() const;
 
+    lldb_private::InputReader &
+    ref() const;
+
+#endif
+
+
 private:
 
     static size_t
     PrivateCallback (void *baton, 
-                     lldb_private::InputReader *reader, 
+                     lldb_private::InputReader &reader, 
                      lldb::InputReaderAction notification,
                      const char *bytes, 
                      size_t bytes_len);
 
-    lldb::InputReaderSP m_reader_sp;
+    lldb::InputReaderSP m_opaque_sp;
     Callback m_callback_function;
     void *m_callback_baton;
 };
diff --git a/include/lldb/API/SBInstruction.h b/include/lldb/API/SBInstruction.h
index ab1e76d..4d3af96 100644
--- a/include/lldb/API/SBInstruction.h
+++ b/include/lldb/API/SBInstruction.h
@@ -48,7 +48,7 @@
 
 private:
 
-    //lldb_private::Disassembler::Instruction::SharedPtr  m_lldb_object_sp;
+    //lldb_private::Disassembler::Instruction::SharedPtr  m_opaque_sp;
 
 
 };
diff --git a/include/lldb/API/SBLineEntry.h b/include/lldb/API/SBLineEntry.h
index f0ed6b3..68fba3e 100644
--- a/include/lldb/API/SBLineEntry.h
+++ b/include/lldb/API/SBLineEntry.h
@@ -79,7 +79,7 @@
     void
     SetLineEntry (const lldb_private::LineEntry &lldb_object_ref);
 
-    std::auto_ptr<lldb_private::LineEntry> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::LineEntry> m_opaque_ap;
 };
 
 
diff --git a/include/lldb/API/SBListener.h b/include/lldb/API/SBListener.h
index bb3c34f..68d8a16 100644
--- a/include/lldb/API/SBListener.h
+++ b/include/lldb/API/SBListener.h
@@ -106,12 +106,15 @@
     const lldb_private::Listener &
     operator *() const;
 
+    void
+    reset(lldb_private::Listener *listener, bool transfer_ownership);
+
 #endif
 
 
 
-    lldb_private::Listener *m_lldb_object_ptr;
-    bool m_lldb_object_ptr_owned;
+    lldb_private::Listener *m_opaque_ptr;
+    bool m_opaque_ptr_owned;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBModule.h b/include/lldb/API/SBModule.h
index 1c02ec9..2f353b6 100644
--- a/include/lldb/API/SBModule.h
+++ b/include/lldb/API/SBModule.h
@@ -70,7 +70,7 @@
 
 #endif
 
-    lldb::ModuleSP m_lldb_object_sp;
+    lldb::ModuleSP m_opaque_sp;
 };
 
 
diff --git a/include/lldb/API/SBProcess.h b/include/lldb/API/SBProcess.h
index a095892..98a1841 100644
--- a/include/lldb/API/SBProcess.h
+++ b/include/lldb/API/SBProcess.h
@@ -106,12 +106,6 @@
     SBError
     Destroy ();
 
-    void
-    DisplayThreadsInfo (FILE *out = NULL, FILE *err = NULL, bool only_threads_with_stop_reason = true);
-
-    void
-    ListThreads ();
-
     bool
     WaitUntilProcessHasStopped (lldb::SBCommandReturnObject &result);
 
@@ -139,9 +133,6 @@
     SBError
     Signal (int signal);
 
-    void
-    Backtrace (bool all_threads = false, uint32_t num_frames = 0);
-
     size_t
     ReadMemory (addr_t addr, void *buf, size_t size, SBError &error);
 
@@ -188,7 +179,7 @@
     void
     SetProcess (const lldb::ProcessSP &process_sp);
 
-    lldb::ProcessSP m_lldb_object_sp;
+    lldb::ProcessSP m_opaque_sp;
 };
 
 }  // namespace lldb
diff --git a/include/lldb/API/SBSourceManager.h b/include/lldb/API/SBSourceManager.h
index 2e188a6..639c56e 100644
--- a/include/lldb/API/SBSourceManager.h
+++ b/include/lldb/API/SBSourceManager.h
@@ -41,7 +41,7 @@
 
 private:
 
-    lldb_private::SourceManager &m_source_manager;
+    lldb_private::SourceManager &m_opaque_ref;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBStringList.h b/include/lldb/API/SBStringList.h
index 7c8f186..514ad3b 100644
--- a/include/lldb/API/SBStringList.h
+++ b/include/lldb/API/SBStringList.h
@@ -62,7 +62,7 @@
 
 private:
 
-    std::auto_ptr<lldb_private::StringList> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::StringList> m_opaque_ap;
 
 };
 
diff --git a/include/lldb/API/SBSymbol.h b/include/lldb/API/SBSymbol.h
index aada006..f939bfa 100644
--- a/include/lldb/API/SBSymbol.h
+++ b/include/lldb/API/SBSymbol.h
@@ -46,7 +46,7 @@
 
     SBSymbol (lldb_private::Symbol *lldb_object_ptr);
 
-    lldb_private::Symbol *m_lldb_object_ptr;
+    lldb_private::Symbol *m_opaque_ptr;
 };
 
 
diff --git a/include/lldb/API/SBSymbolContext.h b/include/lldb/API/SBSymbolContext.h
index 0a57fa1..b4f9acd 100644
--- a/include/lldb/API/SBSymbolContext.h
+++ b/include/lldb/API/SBSymbolContext.h
@@ -64,7 +64,7 @@
     SetSymbolContext (const lldb_private::SymbolContext *sc_ptr);
 
 private:
-    std::auto_ptr<lldb_private::SymbolContext> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::SymbolContext> m_opaque_ap;
 };
 
 
diff --git a/include/lldb/API/SBTarget.h b/include/lldb/API/SBTarget.h
index 9fd007a..12e3195 100644
--- a/include/lldb/API/SBTarget.h
+++ b/include/lldb/API/SBTarget.h
@@ -70,6 +70,9 @@
     lldb::SBModule
     GetModuleAtIndex (uint32_t idx);
 
+    lldb::SBDebugger
+    GetDebugger() const;
+
     lldb::SBModule
     FindModule (const lldb::SBFileSpec &file_spec);
 
@@ -146,20 +149,20 @@
     SBTarget (const lldb::TargetSP& target_sp);
 
     void
-    SetLLBDTarget (const lldb::TargetSP& target_sp);
+    reset (const lldb::TargetSP& target_sp);
 
     lldb_private::Target *
-    GetLLDBObjectPtr();
+    operator ->() const;
 
-    const lldb_private::Target *
-    GetLLDBObjectPtr() const;
+    lldb_private::Target *
+    get() const;
 
 private:
     //------------------------------------------------------------------
     // For Target only
     //------------------------------------------------------------------
 
-    lldb::TargetSP m_target_sp;
+    lldb::TargetSP m_opaque_sp;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBThread.h b/include/lldb/API/SBThread.h
index 0b6f1e0..08372a1 100644
--- a/include/lldb/API/SBThread.h
+++ b/include/lldb/API/SBThread.h
@@ -82,9 +82,6 @@
     void
     RunToAddress (lldb::addr_t addr);
 
-    void
-    Backtrace (uint32_t num_frames = 0);
-
     uint32_t
     GetNumFrames ();
 
@@ -146,7 +143,7 @@
     // Classes that inherit from Thread can see and modify these
     //------------------------------------------------------------------
 
-    lldb::ThreadSP m_lldb_object_sp;
+    lldb::ThreadSP m_opaque_sp;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBValue.h b/include/lldb/API/SBValue.h
index c0538a6..068b73f 100644
--- a/include/lldb/API/SBValue.h
+++ b/include/lldb/API/SBValue.h
@@ -112,11 +112,11 @@
 #endif
 
 private:
-
-    lldb_private::ExecutionContext
-    GetCurrentExecutionContext ();
-
-    lldb::ValueObjectSP m_lldb_object_sp;
+//
+//    lldb_private::ExecutionContext
+//    GetCurrentExecutionContext ();
+//
+    lldb::ValueObjectSP m_opaque_sp;
 };
 
 } // namespace lldb
diff --git a/include/lldb/API/SBValueList.h b/include/lldb/API/SBValueList.h
index a3227ac..6c4b939 100644
--- a/include/lldb/API/SBValueList.h
+++ b/include/lldb/API/SBValueList.h
@@ -68,7 +68,7 @@
     void
     CreateIfNeeded ();
 
-    std::auto_ptr<lldb_private::ValueObjectList> m_lldb_object_ap;
+    std::auto_ptr<lldb_private::ValueObjectList> m_opaque_ap;
 };
 
 
diff --git a/include/lldb/Breakpoint/StoppointCallbackContext.h b/include/lldb/Breakpoint/StoppointCallbackContext.h
index f2a6401..48384b4 100644
--- a/include/lldb/Breakpoint/StoppointCallbackContext.h
+++ b/include/lldb/Breakpoint/StoppointCallbackContext.h
@@ -48,7 +48,7 @@
     //------------------------------------------------------------------
     Event *event;               // This is the event, the callback can modify this to indicate
                                 // the meaning of the breakpoint hit
-    ExecutionContext context;   // This tells us where we have stopped, what thread.
+    ExecutionContext exe_ctx;   // This tells us where we have stopped, what thread.
     bool is_synchronous;        // Is the callback being executed synchronously with the breakpoint, 
                                 // or asynchronously as the event is retrieved?
 };
diff --git a/include/lldb/Core/Debugger.h b/include/lldb/Core/Debugger.h
index bfb2bc1..503e250 100644
--- a/include/lldb/Core/Debugger.h
+++ b/include/lldb/Core/Debugger.h
@@ -17,11 +17,11 @@
 
 #include <stack>
 
-#include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Core/Communication.h"
 #include "lldb/Core/Listener.h"
 #include "lldb/Core/StreamFile.h"
 #include "lldb/Core/SourceManager.h"
+#include "lldb/Target/ExecutionContext.h"
 #include "lldb/Target/TargetList.h"
 
 namespace lldb_private {
@@ -36,17 +36,23 @@
 {
 public:
 
+    static lldb::DebuggerSP
+    CreateInstance ();
+
+    static lldb::TargetSP
+    FindTargetWithProcessID (lldb::pid_t pid);
+
     static void
     Initialize ();
     
     static void 
     Terminate ();
 
-    static Debugger &
-    GetSharedInstance ();
-    
     ~Debugger ();
 
+    lldb::DebuggerSP
+    GetSP ();
+
     bool
     GetAsyncExecution ();
 
@@ -123,6 +129,16 @@
     bool
     PopInputReader (const lldb::InputReaderSP& reader_sp);
 
+    ExecutionContext &
+    GetExecutionContext()
+    {
+        return m_exe_ctx;
+    }
+
+
+    void
+    UpdateExecutionContext (ExecutionContext *override_context);
+
 protected:
 
     static void
@@ -137,7 +153,6 @@
     void
     DisconnectInput();
 
-    bool m_async_execution;
     Communication m_input_comm;
     StreamFile m_input_file;
     StreamFile m_output_file;
@@ -145,21 +160,19 @@
     TargetList m_target_list;
     Listener m_listener;
     SourceManager m_source_manager;
-    CommandInterpreter m_command_interpreter;
+    std::auto_ptr<CommandInterpreter> m_command_interpreter_ap;
+    ExecutionContext m_exe_ctx;
 
     std::stack<lldb::InputReaderSP> m_input_readers;
     std::string m_input_reader_data;
     
-    typedef lldb::SharedPtr<Debugger>::Type DebuggerSP;
-
-    static DebuggerSP &
-    GetDebuggerSP();
-    
-    static int g_shared_debugger_refcount;
-    static bool g_in_terminate;
-
 private:
-    Debugger ();    // Access the single global instance of this class using Debugger::GetSharedInstance();
+
+    // Use Debugger::CreateInstance() to get a shared pointer to a new
+    // debugger object
+    Debugger ();
+
+
 
     DISALLOW_COPY_AND_ASSIGN (Debugger);
 };
diff --git a/include/lldb/Core/Disassembler.h b/include/lldb/Core/Disassembler.h
index 33d7d56..5e83182 100644
--- a/include/lldb/Core/Disassembler.h
+++ b/include/lldb/Core/Disassembler.h
@@ -86,7 +86,8 @@
     FindPlugin (const ArchSpec &arch);
 
     static bool
-    Disassemble (const ArchSpec &arch,
+    Disassemble (Debugger &debugger,
+                 const ArchSpec &arch,
                  const ExecutionContext &exe_ctx,
                  uint32_t mixed_context_lines,
                  Stream &strm);
diff --git a/include/lldb/Core/InputReader.h b/include/lldb/Core/InputReader.h
index 2d87624..e278eab 100644
--- a/include/lldb/Core/InputReader.h
+++ b/include/lldb/Core/InputReader.h
@@ -24,12 +24,12 @@
 public:
 
     typedef size_t (*Callback) (void *baton, 
-                                InputReader *reader, 
+                                InputReader &reader, 
                                 lldb::InputReaderAction notification,
                                 const char *bytes, 
                                 size_t bytes_len);
 
-    InputReader ();
+    InputReader (Debugger &debugger);
 
     virtual
     ~InputReader ();
@@ -71,11 +71,11 @@
     virtual size_t
     HandleRawBytes (const char *bytes, size_t bytes_len);
 
-    FILE *
-    GetInputFileHandle ();
-
-    FILE *
-    GetOutputFileHandle ();
+    Debugger &
+    GetDebugger()
+    {
+        return m_debugger;
+    }
 
     bool 
     IsActive () const
@@ -95,6 +95,7 @@
     void
     Notify (lldb::InputReaderAction notification);
 
+    Debugger &m_debugger;
     Callback m_callback;
     void *m_callback_baton;
     std::string m_end_token;
diff --git a/include/lldb/Interpreter/CommandCompletions.h b/include/lldb/Interpreter/CommandCompletions.h
index 2296474..f870490 100644
--- a/include/lldb/Interpreter/CommandCompletions.h
+++ b/include/lldb/Interpreter/CommandCompletions.h
@@ -29,12 +29,12 @@
     // This is the command completion callback that is used to complete the argument of the option
     // it is bound to (in the OptionDefinition table below).  Return the total number of matches.
     //----------------------------------------------------------------------
-    typedef int (*CompletionCallback) (const char *completion_str,        // This is the argument we are completing
-                                       int match_start_point,             // This is the point in the list of matches that you should start returning elements
-                                       int max_return_elements,           // This is the number of matches requested.
-                                       lldb_private::CommandInterpreter *interpreter, // The command interpreter running this command.
-                                       lldb_private::SearchFilter *searcher,          // A search filter to limit the search...
-                                       lldb_private::StringList &matches);                  // The array of matches we return.
+    typedef int (*CompletionCallback) (CommandInterpreter &interpreter,
+                                       const char *completion_str,          // This is the argument we are completing
+                                       int match_start_point,               // This is the point in the list of matches that you should start returning elements
+                                       int max_return_elements,             // This is the number of matches requested.
+                                       lldb_private::SearchFilter *searcher,// A search filter to limit the search...
+                                       lldb_private::StringList &matches);  // The array of matches we return.
     typedef enum
     {
         eNoCompletion           = 0,
@@ -54,41 +54,41 @@
         CompletionCallback callback;
     };
 
-    static bool InvokeCommonCompletionCallbacks (uint32_t completion_mask,
-                                                const char *completion_str,
-                                                int match_start_point,
-                                                int max_return_elements,
-                                                lldb_private::CommandInterpreter *interpreter,
-                                                SearchFilter *searcher,
-                                                StringList &matches);
-
+    static bool InvokeCommonCompletionCallbacks (CommandInterpreter &interpreter,
+                                                 uint32_t completion_mask,
+                                                 const char *completion_str,
+                                                 int match_start_point,
+                                                 int max_return_elements,
+                                                 SearchFilter *searcher,
+                                                 StringList &matches);
+    
     //----------------------------------------------------------------------
     // These are the generic completer functions:
     //----------------------------------------------------------------------
     static int
-    SourceFiles (const char *partial_file_name,
-                  int match_start_point,
-                  int max_return_elements,
-                  CommandInterpreter *interpreter,
-                  SearchFilter *searcher,
-                  StringList &matches);
-
+    SourceFiles (CommandInterpreter &interpreter,
+                 const char *partial_file_name,
+                 int match_start_point,
+                 int max_return_elements,
+                 SearchFilter *searcher,
+                 StringList &matches);
+    
     static int
-    Modules (const char *partial_file_name,
-            int match_start_point,
-            int max_return_elements,
-            lldb_private::CommandInterpreter *interpreter,
-            SearchFilter *searcher,
-            lldb_private::StringList &matches);
-
+    Modules (CommandInterpreter &interpreter,
+             const char *partial_file_name,
+             int match_start_point,
+             int max_return_elements,
+             SearchFilter *searcher,
+             lldb_private::StringList &matches);
+    
     static int
-    Symbols (const char *partial_file_name,
-            int match_start_point,
-            int max_return_elements,
-            lldb_private::CommandInterpreter *interpreter,
-            SearchFilter *searcher,
-            lldb_private::StringList &matches);
-
+    Symbols (CommandInterpreter &interpreter,
+             const char *partial_file_name,
+             int match_start_point,
+             int max_return_elements,
+             SearchFilter *searcher,
+             lldb_private::StringList &matches);
+    
     //----------------------------------------------------------------------
     // The Completer class is a convenient base class for building searchers
     // that go along with the SearchFilter passed to the standard Completer
@@ -97,10 +97,10 @@
     class Completer : public Searcher
     {
     public:
-        Completer (const char *completion_str,
+        Completer (CommandInterpreter &interpreter,
+                   const char *completion_str,
                    int match_start_point,
                    int max_return_elements,
-                   CommandInterpreter *interpreter,
                    StringList &matches);
 
         virtual ~Completer ();
@@ -118,10 +118,10 @@
         DoCompletion (SearchFilter *filter) = 0;
 
         protected:
+            CommandInterpreter &m_interpreter;
             std::string m_completion_str;
             int m_match_start_point;
             int m_max_return_elements;
-            CommandInterpreter *m_interpreter;
             StringList &m_matches;
         private:
             DISALLOW_COPY_AND_ASSIGN (Completer);
@@ -134,13 +134,13 @@
     {
     public:
 
-        SourceFileCompleter (bool include_support_files,
-                            const char *completion_str,
-                            int match_start_point,
-                            int max_return_elements,
-                            CommandInterpreter *interpreter,
-                            StringList &matches);
-
+        SourceFileCompleter (CommandInterpreter &interpreter,
+                             bool include_support_files,
+                             const char *completion_str,
+                             int match_start_point,
+                             int max_return_elements,
+                             StringList &matches);
+        
         virtual Searcher::Depth GetDepth ();
 
         virtual Searcher::CallbackReturn
@@ -168,12 +168,12 @@
     {
     public:
 
-        ModuleCompleter (const char *completion_str,
-                            int match_start_point,
-                            int max_return_elements,
-                            CommandInterpreter *interpreter,
-                            StringList &matches);
-
+        ModuleCompleter (CommandInterpreter &interpreter,
+                         const char *completion_str,
+                         int match_start_point,
+                         int max_return_elements,
+                         StringList &matches);
+        
         virtual Searcher::Depth GetDepth ();
 
         virtual Searcher::CallbackReturn
@@ -199,12 +199,12 @@
     {
     public:
 
-        SymbolCompleter (const char *completion_str,
-                            int match_start_point,
-                            int max_return_elements,
-                            CommandInterpreter *interpreter,
-                            StringList &matches);
-
+        SymbolCompleter (CommandInterpreter &interpreter,
+                         const char *completion_str,
+                         int match_start_point,
+                         int max_return_elements,
+                         StringList &matches);
+        
         virtual Searcher::Depth GetDepth ();
 
         virtual Searcher::CallbackReturn
@@ -217,15 +217,15 @@
         DoCompletion (SearchFilter *filter);
 
     private:
-        struct NameCmp {
-            bool operator() (const ConstString& lhs, const ConstString& rhs) const
-            {
-                return lhs < rhs;
-            }
-        };
+//        struct NameCmp {
+//            bool operator() (const ConstString& lhs, const ConstString& rhs) const
+//            {
+//                return lhs < rhs;
+//            }
+//        };
 
         RegularExpression m_regex;
-        typedef std::set<ConstString, NameCmp> collection;
+        typedef std::set<ConstString> collection;
         collection m_match_set;
         DISALLOW_COPY_AND_ASSIGN (SymbolCompleter);
 
diff --git a/include/lldb/Interpreter/CommandContext.h b/include/lldb/Interpreter/CommandContext.h
deleted file mode 100644
index 69bd27e..0000000
--- a/include/lldb/Interpreter/CommandContext.h
+++ /dev/null
@@ -1,43 +0,0 @@
-//===-- CommandContext.h ----------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_CommandContext_h_
-#define liblldb_CommandContext_h_
-
-#include "lldb/lldb-private.h"
-#include "lldb/Core/ArchSpec.h"
-#include "lldb/Target/ExecutionContext.h"
-#include "lldb/Core/FileSpec.h"
-#include "lldb/Core/ValueObjectList.h"
-
-namespace lldb_private {
-
-class CommandContext
-{
-public:
-    CommandContext ();
-
-    ~CommandContext ();
-
-    void
-    Update (ExecutionContext *override_context = NULL);
-
-    Target *
-    GetTarget();
-
-    ExecutionContext &
-    GetExecutionContext();
-
-private:
-    ExecutionContext m_exe_ctx;
-};
-
-} // namespace lldb_private
-
-#endif // liblldb_CommandContext_h_
diff --git a/include/lldb/Interpreter/CommandInterpreter.h b/include/lldb/Interpreter/CommandInterpreter.h
index cc11e37..26ff3ab 100644
--- a/include/lldb/Interpreter/CommandInterpreter.h
+++ b/include/lldb/Interpreter/CommandInterpreter.h
@@ -16,8 +16,8 @@
 // Project includes
 #include "lldb/lldb-private.h"
 #include "lldb/Core/Broadcaster.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Core/Log.h"
-#include "lldb/Interpreter/CommandContext.h"
 #include "lldb/Interpreter/CommandObject.h"
 #include "lldb/Interpreter/ScriptInterpreter.h"
 #include "lldb/Interpreter/StateVariable.h"
@@ -43,10 +43,9 @@
     void
     SourceInitFile (bool in_cwd, CommandReturnObject &result);
 
-    CommandInterpreter (lldb::ScriptLanguage script_language,
-                        bool synchronous_execution,
-                        Listener *listener, // In case this is asked to create or attach to a process
-                        SourceManager& source_manager);
+    CommandInterpreter (Debugger &debugger,
+                        lldb::ScriptLanguage script_language,
+                        bool synchronous_execution);
 
     virtual
     ~CommandInterpreter ();
@@ -88,7 +87,9 @@
     AddOrReplaceAliasOptions (const char *alias_name, OptionArgVectorSP &option_arg_vector_sp);
 
     bool
-    HandleCommand (const char *command_line, bool add_to_history, CommandReturnObject &result, 
+    HandleCommand (const char *command_line, 
+                   bool add_to_history, 
+                   CommandReturnObject &result, 
                    ExecutionContext *override_context = NULL);
 
     // This handles command line completion.  You are given a pointer to the command string buffer, to the current cursor,
@@ -147,8 +148,11 @@
     void
     ShowVariableHelp (CommandReturnObject &result);
 
-    CommandContext *
-    Context();
+    Debugger &
+    GetDebugger ()
+    {
+        return m_debugger;
+    }
 
     const Args *
     GetProgramArguments ();
@@ -159,12 +163,6 @@
     const char *
     ProcessEmbeddedScriptCommands (const char *arg);
 
-    Listener *
-    GetListener ();
-
-    SourceManager &
-    GetSourceManager ();
-
     const char *
     GetPrompt ();
 
@@ -244,12 +242,9 @@
 
 private:
 
+    Debugger &m_debugger;   // The debugger session that this interpreter is associated with
     lldb::ScriptLanguage m_script_language;
-    CommandContext m_current_context;
     bool m_synchronous_execution;
-    Listener *m_listener;
-    SourceManager& m_source_manager;
-
     CommandObject::CommandMap m_command_dict; // Stores basic built-in commands (they cannot be deleted, removed or overwritten).
     CommandObject::CommandMap m_alias_dict;   // Stores user aliases/abbreviations for commands
     CommandObject::CommandMap m_user_dict;    // Stores user-defined commands
diff --git a/include/lldb/Interpreter/CommandObject.h b/include/lldb/Interpreter/CommandObject.h
index 6238e6a..24e43cb 100644
--- a/include/lldb/Interpreter/CommandObject.h
+++ b/include/lldb/Interpreter/CommandObject.h
@@ -83,26 +83,23 @@
 
     // Do not override this
     bool
-    ExecuteCommandString (const char *command,
-                          CommandContext *context,
-                          CommandInterpreter *interpreter,
+    ExecuteCommandString (CommandInterpreter &interpreter,
+                          const char *command,
                           CommandReturnObject &result);
 
     bool
-    ParseOptions(Args& args,
-                 CommandInterpreter *interpreter,
-                 CommandReturnObject &result);
+    ParseOptions (CommandInterpreter &interpreter,
+                  Args& args,
+                  CommandReturnObject &result);
 
     bool
-    ExecuteWithOptions (Args& command,
-                        CommandContext *context,
-                        CommandInterpreter *interpreter,
+    ExecuteWithOptions (CommandInterpreter &interpreter,
+                        Args& command,
                         CommandReturnObject &result);
 
     virtual bool
-    ExecuteRawCommandString (const char *command,
-                             CommandContext *context,
-                             CommandInterpreter *interpreter,
+    ExecuteRawCommandString (CommandInterpreter &interpreter,
+                             const char *command,
                              CommandReturnObject &result)
     {
         return false;
@@ -110,9 +107,8 @@
 
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result) = 0;
 
     void
@@ -134,12 +130,12 @@
     // Don't override this method, override HandleArgumentCompletion instead unless
     // you have special reasons.
     virtual int
-    HandleCompletion (Args &input,
+    HandleCompletion (CommandInterpreter &interpreter,
+                      Args &input,
                       int &cursor_index,
                       int &cursor_char_position,
                       int match_start_point,
                       int max_return_elements,
-                      CommandInterpreter *interpreter,
                       StringList &matches);
 
     // The input array contains a parsed version of the line.  The insertion
@@ -149,16 +145,18 @@
     // helpful for the completion.
 
     virtual int
-    HandleArgumentCompletion (Args &input,
-                      int &cursor_index,
-                      int &cursor_char_position,
-                      OptionElementVector &opt_element_vector,
-                      int match_start_point,
-                      int max_return_elements,
-                      CommandInterpreter *interpreter,
-                      StringList &matches);
-
-
+    HandleArgumentCompletion (CommandInterpreter &interpreter,
+                              Args &input,
+                              int &cursor_index,
+                              int &cursor_char_position,
+                              OptionElementVector &opt_element_vector,
+                              int match_start_point,
+                              int max_return_elements,
+                              StringList &matches)
+    {
+        return 0;
+    }
+    
     bool
     HelpTextContainsWord (const char *search_word);
 
diff --git a/include/lldb/Interpreter/CommandObjectCrossref.h b/include/lldb/Interpreter/CommandObjectCrossref.h
index 927b854..c72b8b8 100644
--- a/include/lldb/Interpreter/CommandObjectCrossref.h
+++ b/include/lldb/Interpreter/CommandObjectCrossref.h
@@ -37,9 +37,8 @@
     GenerateHelpText (CommandReturnObject &result);
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual bool
diff --git a/include/lldb/Interpreter/CommandObjectMultiword.h b/include/lldb/Interpreter/CommandObjectMultiword.h
index 90f9fd0..b065a29 100644
--- a/include/lldb/Interpreter/CommandObjectMultiword.h
+++ b/include/lldb/Interpreter/CommandObjectMultiword.h
@@ -28,10 +28,10 @@
 {
 public:
     CommandObjectMultiword (const char *name,
-                              const char *help = NULL,
-                              const char *syntax = NULL,
-                              uint32_t flags = 0);
-
+                            const char *help = NULL,
+                            const char *syntax = NULL,
+                            uint32_t flags = 0);
+    
     virtual
     ~CommandObjectMultiword ();
 
@@ -39,10 +39,12 @@
     IsMultiwordObject () { return true; }
 
     bool
-    LoadSubCommand (lldb::CommandObjectSP command_obj, const char *cmd_name, CommandInterpreter *interpreter);
+    LoadSubCommand (CommandInterpreter &interpreter, 
+                    const char *cmd_name, 
+                    const lldb::CommandObjectSP& command_obj);
 
     void
-    GenerateHelpText (CommandReturnObject &result, CommandInterpreter *interpreter);
+    GenerateHelpText (CommandInterpreter &interpreter, CommandReturnObject &result);
 
     lldb::CommandObjectSP
     GetSubcommandSP (const char *sub_cmd, StringList *matches = NULL);
@@ -51,18 +53,17 @@
     GetSubcommandObject (const char *sub_cmd, StringList *matches = NULL);
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual int
-    HandleCompletion (Args &input,
+    HandleCompletion (CommandInterpreter &interpreter,
+                      Args &input,
                       int &cursor_index,
                       int &cursor_char_position,
                       int match_start_point,
                       int max_return_elements,
-                      CommandInterpreter *interpreter,
                       StringList &matches);
 
     CommandObject::CommandMap m_subcommand_dict;
diff --git a/include/lldb/Interpreter/CommandObjectRegexCommand.h b/include/lldb/Interpreter/CommandObjectRegexCommand.h
index 0c38f5b..7302f08 100644
--- a/include/lldb/Interpreter/CommandObjectRegexCommand.h
+++ b/include/lldb/Interpreter/CommandObjectRegexCommand.h
@@ -35,18 +35,16 @@
     ~CommandObjectRegexCommand ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual bool
     WantsRawCommandString() { return true; }
 
     virtual bool
-    ExecuteRawCommandString (const char *command,
-                             CommandContext *context,
-                             CommandInterpreter *interpreter,
+    ExecuteRawCommandString (CommandInterpreter &interpreter,
+                             const char *command,
                              CommandReturnObject &result);
 
 
diff --git a/include/lldb/Interpreter/Options.h b/include/lldb/Interpreter/Options.h
index 3993105..e589e3c 100644
--- a/include/lldb/Interpreter/Options.h
+++ b/include/lldb/Interpreter/Options.h
@@ -218,13 +218,13 @@
     ///     \btrue if we were in an option, \bfalse otherwise.
     //------------------------------------------------------------------
     bool
-    HandleOptionCompletion (Args &input,
+    HandleOptionCompletion (CommandInterpreter &interpreter,
+                            Args &input,
                             OptionElementVector &option_map,
                             int cursor_index,
                             int char_pos,
                             int match_start_point,
                             int max_return_elements,
-                            lldb_private::CommandInterpreter *interpreter,
                             lldb_private::StringList &matches);
 
     //------------------------------------------------------------------
@@ -263,16 +263,16 @@
     ///     \btrue if we were in an option, \bfalse otherwise.
     //------------------------------------------------------------------
     virtual bool
-    HandleOptionArgumentCompletion (Args &input,
-                                            int cursor_index,
-                                            int char_pos,
-                                            OptionElementVector &opt_element_vector,
-                                            int opt_element_index,
-                                            int match_start_point,
-                                            int max_return_elements,
-                                            CommandInterpreter *interpreter,
-                                            StringList &matches);
-
+    HandleOptionArgumentCompletion (CommandInterpreter &interpreter,
+                                    Args &input,
+                                    int cursor_index,
+                                    int char_pos,
+                                    OptionElementVector &opt_element_vector,
+                                    int opt_element_index,
+                                    int match_start_point,
+                                    int max_return_elements,
+                                    StringList &matches);
+    
 protected:
     // This is a set of options expressed as indexes into the options table for this Option.
     typedef std::set<char> OptionSet;
diff --git a/include/lldb/Interpreter/ScriptInterpreter.h b/include/lldb/Interpreter/ScriptInterpreter.h
index 0c64777..afa00a4 100644
--- a/include/lldb/Interpreter/ScriptInterpreter.h
+++ b/include/lldb/Interpreter/ScriptInterpreter.h
@@ -43,10 +43,10 @@
     virtual ~ScriptInterpreter ();
 
     virtual void
-    ExecuteOneLine (const std::string&, FILE *, FILE *) = 0;
+    ExecuteOneLine (CommandInterpreter &interpreter, const char *command) = 0;
 
     virtual void
-    ExecuteInterpreterLoop (FILE *, FILE *) = 0;
+    ExecuteInterpreterLoop (CommandInterpreter &interpreter) = 0;
 
     virtual bool
     ExecuteOneLineWithReturn (const char *in_string, ReturnType return_type, void *ret_value)
diff --git a/include/lldb/Interpreter/ScriptInterpreterNone.h b/include/lldb/Interpreter/ScriptInterpreterNone.h
index 919e17f..8068adb 100644
--- a/include/lldb/Interpreter/ScriptInterpreterNone.h
+++ b/include/lldb/Interpreter/ScriptInterpreterNone.h
@@ -18,15 +18,15 @@
 {
 public:
 
-    ScriptInterpreterNone ();
+    ScriptInterpreterNone (CommandInterpreter &interpreter);
 
     ~ScriptInterpreterNone ();
 
     virtual void
-    ExecuteOneLine (const std::string &line, FILE *out, FILE *err);
+    ExecuteOneLine (CommandInterpreter &interpreter, const char *command);
 
     virtual void
-    ExecuteInterpreterLoop (FILE *out, FILE *err);
+    ExecuteInterpreterLoop (CommandInterpreter &interpreter);
 
 };
 
diff --git a/include/lldb/Interpreter/ScriptInterpreterPython.h b/include/lldb/Interpreter/ScriptInterpreterPython.h
index 3343072..aaff7b4 100644
--- a/include/lldb/Interpreter/ScriptInterpreterPython.h
+++ b/include/lldb/Interpreter/ScriptInterpreterPython.h
@@ -20,15 +20,15 @@
 {
 public:
 
-    ScriptInterpreterPython ();
+    ScriptInterpreterPython (CommandInterpreter &interpreter);
 
     ~ScriptInterpreterPython ();
 
     void
-    ExecuteOneLine (const std::string &line, FILE *out, FILE *err);
+    ExecuteOneLine (CommandInterpreter &interpreter, const char *command);
 
     void
-    ExecuteInterpreterLoop (FILE *out, FILE *err);
+    ExecuteInterpreterLoop (CommandInterpreter &interpreter);
 
     bool
     ExecuteOneLineWithReturn (const char *in_string, 
@@ -46,7 +46,7 @@
 
     static size_t
     GenerateBreakpointOptionsCommandCallback (void *baton, 
-                                              InputReader *reader, 
+                                              InputReader &reader, 
                                               lldb::InputReaderAction notification,
                                               const char *bytes, 
                                               size_t bytes_len);
@@ -58,7 +58,8 @@
                                 lldb::user_id_t break_loc_id);
 
     void
-    CollectDataForBreakpointCommandCallback (BreakpointOptions *bp_options,
+    CollectDataForBreakpointCommandCallback (CommandInterpreter &interpreter,
+                                             BreakpointOptions *bp_options,
                                              CommandReturnObject &result);
 
     StringList
@@ -68,7 +69,7 @@
 
     static size_t
     InputReaderCallback (void *baton, 
-                         InputReader *reader, 
+                         InputReader &reader, 
                          lldb::InputReaderAction notification,
                          const char *bytes, 
                          size_t bytes_len);
diff --git a/include/lldb/Target/Target.h b/include/lldb/Target/Target.h
index 0f9fd09..6f5f05e 100644
--- a/include/lldb/Target/Target.h
+++ b/include/lldb/Target/Target.h
@@ -64,7 +64,7 @@
     ///
     /// @see TargetList::CreateTarget(const FileSpec*, const ArchSpec*)
     //------------------------------------------------------------------
-    Target();
+    Target(Debugger &debugger);
 
 public:
     ~Target();
@@ -253,6 +253,12 @@
     ArchSpec
     GetArchitecture () const;
 
+    Debugger &
+    GetDebugger ()
+    {
+        return m_debugger;
+    }
+
     bool
     GetTargetTriple (ConstString &target_triple);
 
@@ -294,6 +300,7 @@
     //------------------------------------------------------------------
     // Member variables.
     //------------------------------------------------------------------
+    Debugger &      m_debugger;
     ModuleList      m_images;           ///< The list of images for this process (shared libraries and anything dynamically loaded).
     BreakpointList  m_breakpoint_list;
     BreakpointList  m_internal_breakpoint_list;
diff --git a/include/lldb/Target/TargetList.h b/include/lldb/Target/TargetList.h
index 8cd7b7b..699be83 100644
--- a/include/lldb/Target/TargetList.h
+++ b/include/lldb/Target/TargetList.h
@@ -79,7 +79,8 @@
     ///     A shared pointer to a target object.
     //------------------------------------------------------------------
     Error
-    CreateTarget (const FileSpec& file_spec,
+    CreateTarget (Debugger &debugger,
+                  const FileSpec& file_spec,
                   const ArchSpec& arch,
                   const UUID *uuid_ptr,
                   bool get_dependent_files,
diff --git a/include/lldb/lldb-forward-rtti.h b/include/lldb/lldb-forward-rtti.h
index ad4d63b..f76de63 100644
--- a/include/lldb/lldb-forward-rtti.h
+++ b/include/lldb/lldb-forward-rtti.h
@@ -33,6 +33,7 @@
     typedef SharedPtr<lldb_private::Communication>::Type CommunicationSP;
     typedef SharedPtr<lldb_private::CompileUnit>::Type CompUnitSP;
     typedef SharedPtr<lldb_private::DataBuffer>::Type DataBufferSP;
+    typedef SharedPtr<lldb_private::Debugger>::Type DebuggerSP;
     typedef SharedPtr<lldb_private::DynamicLoader>::Type DynamicLoaderSP;
     typedef SharedPtr<lldb_private::Event>::Type EventSP;
     typedef SharedPtr<lldb_private::Function>::Type FunctionSP;
diff --git a/include/lldb/lldb-forward.h b/include/lldb/lldb-forward.h
index bd29445..8deb329 100644
--- a/include/lldb/lldb-forward.h
+++ b/include/lldb/lldb-forward.h
@@ -42,7 +42,7 @@
 class   ClangExpression;
 class   ClangExpressionDeclMap;
 class   ClangExpressionVariableList;
-class   CommandContext;
+class   Debugger;
 class   CommandInterpreter;
 class   CommandObject;
 class   CommandReturnObject;
diff --git a/lldb.xcodeproj/project.pbxproj b/lldb.xcodeproj/project.pbxproj
index 781c7f6..7f23569 100644
--- a/lldb.xcodeproj/project.pbxproj
+++ b/lldb.xcodeproj/project.pbxproj
@@ -160,7 +160,6 @@
 		26D5B0C711B07550009A862E /* CFCMutableDictionary.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7EF310F1B8AD00F91463 /* CFCMutableDictionary.cpp */; };
 		26D5B0C811B07550009A862E /* CFCMutableSet.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7EF510F1B8AD00F91463 /* CFCMutableSet.cpp */; };
 		26D5B0C911B07550009A862E /* CFCString.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7EF810F1B8AD00F91463 /* CFCString.cpp */; };
-		26D5B0CA11B07550009A862E /* CommandContext.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F0710F1B8DD00F91463 /* CommandContext.cpp */; };
 		26D5B0CB11B07550009A862E /* CommandInterpreter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F0810F1B8DD00F91463 /* CommandInterpreter.cpp */; };
 		26D5B0CC11B07550009A862E /* CommandObject.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F0910F1B8DD00F91463 /* CommandObject.cpp */; };
 		26D5B0CD11B07550009A862E /* CommandReturnObject.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F0A10F1B8DD00F91463 /* CommandReturnObject.cpp */; };
@@ -336,7 +335,6 @@
 		4C08CDE811C81EF8001610A8 /* ThreadSpec.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4C08CDE711C81EF8001610A8 /* ThreadSpec.cpp */; };
 		4C08CDEC11C81F1E001610A8 /* ThreadSpec.h in Headers */ = {isa = PBXBuildFile; fileRef = 4C08CDEB11C81F1E001610A8 /* ThreadSpec.h */; };
 		4CA9637B11B6E99A00780E28 /* CommandObjectApropos.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4CA9637911B6E99A00780E28 /* CommandObjectApropos.cpp */; };
-		4CA9637C11B6E99A00780E28 /* CommandObjectApropos.h in Headers */ = {isa = PBXBuildFile; fileRef = 4CA9637A11B6E99A00780E28 /* CommandObjectApropos.h */; };
 		9A19A6AF1163BBB200E0D453 /* SBValue.h in Headers */ = {isa = PBXBuildFile; fileRef = 9A19A6A51163BB7E00E0D453 /* SBValue.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		9A19A6B01163BBB300E0D453 /* SBValue.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9A19A6AD1163BB9800E0D453 /* SBValue.cpp */; };
 		9A357583116CFDEE00E8ED2F /* SBValueList.h in Headers */ = {isa = PBXBuildFile; fileRef = 9A357582116CFDEE00E8ED2F /* SBValueList.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -590,7 +588,6 @@
 		26BC7CFA10F1B71400F91463 /* Stoppoint.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Stoppoint.h; path = include/lldb/Breakpoint/Stoppoint.h; sourceTree = "<group>"; };
 		26BC7CFB10F1B71400F91463 /* StoppointLocation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StoppointLocation.h; path = include/lldb/Breakpoint/StoppointLocation.h; sourceTree = "<group>"; };
 		26BC7CFC10F1B71400F91463 /* WatchpointLocation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = WatchpointLocation.h; path = include/lldb/Breakpoint/WatchpointLocation.h; sourceTree = "<group>"; };
-		26BC7D1010F1B76300F91463 /* CommandObjectAdd.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectAdd.h; path = source/Commands/CommandObjectAdd.h; sourceTree = "<group>"; };
 		26BC7D1110F1B76300F91463 /* CommandObjectAlias.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectAlias.h; path = source/Commands/CommandObjectAlias.h; sourceTree = "<group>"; };
 		26BC7D1210F1B76300F91463 /* CommandObjectAppend.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectAppend.h; path = source/Commands/CommandObjectAppend.h; sourceTree = "<group>"; };
 		26BC7D1410F1B76300F91463 /* CommandObjectBreakpoint.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectBreakpoint.h; path = source/Commands/CommandObjectBreakpoint.h; sourceTree = "<group>"; };
@@ -605,7 +602,6 @@
 		26BC7D1F10F1B76300F91463 /* CommandObjectProcess.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectProcess.h; path = source/Commands/CommandObjectProcess.h; sourceTree = "<group>"; };
 		26BC7D2010F1B76300F91463 /* CommandObjectQuit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectQuit.h; path = source/Commands/CommandObjectQuit.h; sourceTree = "<group>"; };
 		26BC7D2210F1B76300F91463 /* CommandObjectRegister.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectRegister.h; path = source/Commands/CommandObjectRegister.h; sourceTree = "<group>"; };
-		26BC7D2310F1B76300F91463 /* CommandObjectRemove.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectRemove.h; path = source/Commands/CommandObjectRemove.h; sourceTree = "<group>"; };
 		26BC7D2410F1B76300F91463 /* CommandObjectScript.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectScript.h; path = source/Interpreter/CommandObjectScript.h; sourceTree = "<group>"; };
 		26BC7D2510F1B76300F91463 /* CommandObjectSelect.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectSelect.h; path = source/Commands/CommandObjectSelect.h; sourceTree = "<group>"; };
 		26BC7D2610F1B76300F91463 /* CommandObjectSet.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectSet.h; path = source/Commands/CommandObjectSet.h; sourceTree = "<group>"; };
@@ -615,7 +611,6 @@
 		26BC7D2A10F1B76300F91463 /* CommandObjectSourceFile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectSourceFile.h; path = source/Commands/CommandObjectSourceFile.h; sourceTree = "<group>"; };
 		26BC7D2C10F1B76300F91463 /* CommandObjectSyntax.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectSyntax.h; path = source/Commands/CommandObjectSyntax.h; sourceTree = "<group>"; };
 		26BC7D2D10F1B76300F91463 /* CommandObjectThread.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectThread.h; path = source/Commands/CommandObjectThread.h; sourceTree = "<group>"; };
-		26BC7D2E10F1B76300F91463 /* CommandObjectTranslate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectTranslate.h; path = source/Commands/CommandObjectTranslate.h; sourceTree = "<group>"; };
 		26BC7D2F10F1B76300F91463 /* CommandObjectVariable.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectVariable.h; path = source/Commands/CommandObjectVariable.h; sourceTree = "<group>"; };
 		26BC7D5010F1B77400F91463 /* Address.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Address.h; path = include/lldb/Core/Address.h; sourceTree = "<group>"; };
 		26BC7D5110F1B77400F91463 /* AddressRange.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AddressRange.h; path = include/lldb/Core/AddressRange.h; sourceTree = "<group>"; };
@@ -677,7 +672,6 @@
 		26BC7DD410F1B7D500F91463 /* Host.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Host.h; path = include/lldb/Host/Host.h; sourceTree = "<group>"; };
 		26BC7DD510F1B7D500F91463 /* Mutex.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Mutex.h; path = include/lldb/Host/Mutex.h; sourceTree = "<group>"; };
 		26BC7DD610F1B7D500F91463 /* Predicate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = Predicate.h; path = include/lldb/Host/Predicate.h; sourceTree = "<group>"; };
-		26BC7DE110F1B7F900F91463 /* CommandContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandContext.h; path = include/lldb/Interpreter/CommandContext.h; sourceTree = "<group>"; };
 		26BC7DE210F1B7F900F91463 /* CommandInterpreter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandInterpreter.h; path = include/lldb/Interpreter/CommandInterpreter.h; sourceTree = "<group>"; };
 		26BC7DE310F1B7F900F91463 /* CommandObject.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObject.h; path = include/lldb/Interpreter/CommandObject.h; sourceTree = "<group>"; };
 		26BC7DE410F1B7F900F91463 /* CommandReturnObject.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandReturnObject.h; path = include/lldb/Interpreter/CommandReturnObject.h; sourceTree = "<group>"; };
@@ -712,7 +706,6 @@
 		26BC7E1610F1B83100F91463 /* Stoppoint.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Stoppoint.cpp; path = source/Breakpoint/Stoppoint.cpp; sourceTree = "<group>"; };
 		26BC7E1710F1B83100F91463 /* StoppointLocation.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StoppointLocation.cpp; path = source/Breakpoint/StoppointLocation.cpp; sourceTree = "<group>"; };
 		26BC7E1810F1B83100F91463 /* WatchpointLocation.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = WatchpointLocation.cpp; path = source/Breakpoint/WatchpointLocation.cpp; sourceTree = "<group>"; };
-		26BC7E2910F1B84700F91463 /* CommandObjectAdd.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectAdd.cpp; path = source/Commands/CommandObjectAdd.cpp; sourceTree = "<group>"; };
 		26BC7E2A10F1B84700F91463 /* CommandObjectAlias.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectAlias.cpp; path = source/Commands/CommandObjectAlias.cpp; sourceTree = "<group>"; };
 		26BC7E2B10F1B84700F91463 /* CommandObjectAppend.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectAppend.cpp; path = source/Commands/CommandObjectAppend.cpp; sourceTree = "<group>"; };
 		26BC7E2D10F1B84700F91463 /* CommandObjectBreakpoint.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectBreakpoint.cpp; path = source/Commands/CommandObjectBreakpoint.cpp; sourceTree = "<group>"; };
@@ -727,7 +720,6 @@
 		26BC7E3810F1B84700F91463 /* CommandObjectProcess.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectProcess.cpp; path = source/Commands/CommandObjectProcess.cpp; sourceTree = "<group>"; };
 		26BC7E3910F1B84700F91463 /* CommandObjectQuit.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectQuit.cpp; path = source/Commands/CommandObjectQuit.cpp; sourceTree = "<group>"; };
 		26BC7E3B10F1B84700F91463 /* CommandObjectRegister.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectRegister.cpp; path = source/Commands/CommandObjectRegister.cpp; sourceTree = "<group>"; };
-		26BC7E3C10F1B84700F91463 /* CommandObjectRemove.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectRemove.cpp; path = source/Commands/CommandObjectRemove.cpp; sourceTree = "<group>"; };
 		26BC7E3D10F1B84700F91463 /* CommandObjectScript.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectScript.cpp; path = source/Interpreter/CommandObjectScript.cpp; sourceTree = "<group>"; };
 		26BC7E3E10F1B84700F91463 /* CommandObjectSelect.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectSelect.cpp; path = source/Commands/CommandObjectSelect.cpp; sourceTree = "<group>"; };
 		26BC7E3F10F1B84700F91463 /* CommandObjectSet.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectSet.cpp; path = source/Commands/CommandObjectSet.cpp; sourceTree = "<group>"; };
@@ -737,7 +729,6 @@
 		26BC7E4310F1B84700F91463 /* CommandObjectSourceFile.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectSourceFile.cpp; path = source/Commands/CommandObjectSourceFile.cpp; sourceTree = "<group>"; };
 		26BC7E4510F1B84700F91463 /* CommandObjectSyntax.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectSyntax.cpp; path = source/Commands/CommandObjectSyntax.cpp; sourceTree = "<group>"; };
 		26BC7E4610F1B84700F91463 /* CommandObjectThread.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectThread.cpp; path = source/Commands/CommandObjectThread.cpp; sourceTree = "<group>"; };
-		26BC7E4710F1B84700F91463 /* CommandObjectTranslate.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectTranslate.cpp; path = source/Commands/CommandObjectTranslate.cpp; sourceTree = "<group>"; };
 		26BC7E4810F1B84700F91463 /* CommandObjectVariable.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectVariable.cpp; path = source/Commands/CommandObjectVariable.cpp; sourceTree = "<group>"; };
 		26BC7E6910F1B85900F91463 /* Address.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = Address.cpp; path = source/Core/Address.cpp; sourceTree = "<group>"; };
 		26BC7E6A10F1B85900F91463 /* AddressRange.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = AddressRange.cpp; path = source/Core/AddressRange.cpp; sourceTree = "<group>"; };
@@ -806,7 +797,6 @@
 		26BC7EF710F1B8AD00F91463 /* CFCReleaser.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CFCReleaser.h; path = source/Host/macosx/cfcpp/CFCReleaser.h; sourceTree = "<group>"; };
 		26BC7EF810F1B8AD00F91463 /* CFCString.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CFCString.cpp; path = source/Host/macosx/cfcpp/CFCString.cpp; sourceTree = "<group>"; };
 		26BC7EF910F1B8AD00F91463 /* CFCString.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CFCString.h; path = source/Host/macosx/cfcpp/CFCString.h; sourceTree = "<group>"; };
-		26BC7F0710F1B8DD00F91463 /* CommandContext.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandContext.cpp; path = source/Interpreter/CommandContext.cpp; sourceTree = "<group>"; };
 		26BC7F0810F1B8DD00F91463 /* CommandInterpreter.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandInterpreter.cpp; path = source/Interpreter/CommandInterpreter.cpp; sourceTree = "<group>"; };
 		26BC7F0910F1B8DD00F91463 /* CommandObject.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObject.cpp; path = source/Interpreter/CommandObject.cpp; sourceTree = "<group>"; };
 		26BC7F0A10F1B8DD00F91463 /* CommandReturnObject.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandReturnObject.cpp; path = source/Interpreter/CommandReturnObject.cpp; sourceTree = "<group>"; };
@@ -1751,8 +1741,6 @@
 		26BC7D0D10F1B71D00F91463 /* Commands */ = {
 			isa = PBXGroup;
 			children = (
-				26BC7D1010F1B76300F91463 /* CommandObjectAdd.h */,
-				26BC7E2910F1B84700F91463 /* CommandObjectAdd.cpp */,
 				26BC7D1110F1B76300F91463 /* CommandObjectAlias.h */,
 				26BC7E2A10F1B84700F91463 /* CommandObjectAlias.cpp */,
 				26BC7D1210F1B76300F91463 /* CommandObjectAppend.h */,
@@ -1793,8 +1781,6 @@
 				26BC7E3910F1B84700F91463 /* CommandObjectQuit.cpp */,
 				26BC7D2210F1B76300F91463 /* CommandObjectRegister.h */,
 				26BC7E3B10F1B84700F91463 /* CommandObjectRegister.cpp */,
-				26BC7D2310F1B76300F91463 /* CommandObjectRemove.h */,
-				26BC7E3C10F1B84700F91463 /* CommandObjectRemove.cpp */,
 				26BC7D2410F1B76300F91463 /* CommandObjectScript.h */,
 				26BC7E3D10F1B84700F91463 /* CommandObjectScript.cpp */,
 				26BC7D2510F1B76300F91463 /* CommandObjectSelect.h */,
@@ -1815,8 +1801,6 @@
 				269416AD119A024800FF2715 /* CommandObjectTarget.cpp */,
 				26BC7D2D10F1B76300F91463 /* CommandObjectThread.h */,
 				26BC7E4610F1B84700F91463 /* CommandObjectThread.cpp */,
-				26BC7D2E10F1B76300F91463 /* CommandObjectTranslate.h */,
-				26BC7E4710F1B84700F91463 /* CommandObjectTranslate.cpp */,
 				9A8B4EA210FD515000C68FF2 /* CommandObjectUnalias.h */,
 				9A8B4EA310FD516400C68FF2 /* CommandObjectUnalias.cpp */,
 				26BC7D2F10F1B76300F91463 /* CommandObjectVariable.h */,
@@ -1872,8 +1856,6 @@
 				26A4EEB511682AAC007A372A /* LLDBWrapPython.cpp */,
 				4C09CB73116BD98B00C7A725 /* CommandCompletions.h */,
 				4C09CB74116BD98B00C7A725 /* CommandCompletions.cpp */,
-				26BC7DE110F1B7F900F91463 /* CommandContext.h */,
-				26BC7F0710F1B8DD00F91463 /* CommandContext.cpp */,
 				26BC7DE210F1B7F900F91463 /* CommandInterpreter.h */,
 				26BC7F0810F1B8DD00F91463 /* CommandInterpreter.cpp */,
 				26BC7DE310F1B7F900F91463 /* CommandObject.h */,
@@ -2193,7 +2175,6 @@
 				9AA69DAF118A023300D753A0 /* SBInputReader.h in Headers */,
 				49F1A74A11B338AE003ED505 /* ClangExpressionDeclMap.h in Headers */,
 				49D7072711B5AD03001AD875 /* ClangASTSource.h in Headers */,
-				4CA9637C11B6E99A00780E28 /* CommandObjectApropos.h in Headers */,
 				261B5A5511C3F2AD00AABD0A /* SharingPtr.h in Headers */,
 				4C08CDEC11C81F1E001610A8 /* ThreadSpec.h in Headers */,
 			);
@@ -2462,7 +2443,6 @@
 				26D5B0C711B07550009A862E /* CFCMutableDictionary.cpp in Sources */,
 				26D5B0C811B07550009A862E /* CFCMutableSet.cpp in Sources */,
 				26D5B0C911B07550009A862E /* CFCString.cpp in Sources */,
-				26D5B0CA11B07550009A862E /* CommandContext.cpp in Sources */,
 				26D5B0CB11B07550009A862E /* CommandInterpreter.cpp in Sources */,
 				26D5B0CC11B07550009A862E /* CommandObject.cpp in Sources */,
 				26D5B0CD11B07550009A862E /* CommandReturnObject.cpp in Sources */,
diff --git a/source/API/SBAddress.cpp b/source/API/SBAddress.cpp
index 482ecec..c93b46b 100644
--- a/source/API/SBAddress.cpp
+++ b/source/API/SBAddress.cpp
@@ -15,22 +15,22 @@
 
 
 SBAddress::SBAddress () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBAddress::SBAddress (const lldb_private::Address *lldb_object_ptr) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (lldb_object_ptr)
-        m_lldb_object_ap.reset (new lldb_private::Address(*lldb_object_ptr));
+        m_opaque_ap.reset (new lldb_private::Address(*lldb_object_ptr));
 }
 
 SBAddress::SBAddress (const SBAddress &rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
-        m_lldb_object_ap.reset (new lldb_private::Address(*rhs.m_lldb_object_ap.get()));
+        m_opaque_ap.reset (new lldb_private::Address(*rhs.m_opaque_ap.get()));
 }
 
 SBAddress::~SBAddress ()
@@ -43,7 +43,7 @@
     if (this != &rhs)
     {
         if (rhs.IsValid())
-            m_lldb_object_ap.reset (new lldb_private::Address(*rhs.m_lldb_object_ap.get()));
+            m_opaque_ap.reset (new lldb_private::Address(*rhs.m_opaque_ap.get()));
     }
     return *this;
 }
@@ -51,7 +51,7 @@
 bool
 SBAddress::IsValid () const
 {
-    return m_lldb_object_ap.get() != NULL && m_lldb_object_ap->IsValid();
+    return m_opaque_ap.get() != NULL && m_opaque_ap->IsValid();
 }
 
 void
@@ -59,21 +59,21 @@
 {
     if (lldb_object_ptr)
     {
-        if (m_lldb_object_ap.get())
-            *m_lldb_object_ap = *lldb_object_ptr;
+        if (m_opaque_ap.get())
+            *m_opaque_ap = *lldb_object_ptr;
         else
-            m_lldb_object_ap.reset (new lldb_private::Address(*lldb_object_ptr));
+            m_opaque_ap.reset (new lldb_private::Address(*lldb_object_ptr));
         return;
     }
-    if (m_lldb_object_ap.get())
-        m_lldb_object_ap->Clear();
+    if (m_opaque_ap.get())
+        m_opaque_ap->Clear();
 }
 
 lldb::addr_t
 SBAddress::GetFileAddress () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetFileAddress();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetFileAddress();
     else
         return LLDB_INVALID_ADDRESS;
 }
@@ -81,8 +81,8 @@
 lldb::addr_t
 SBAddress::GetLoadAddress (const SBProcess &process) const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetLoadAddress(process.get());
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetLoadAddress(process.get());
     else
         return LLDB_INVALID_ADDRESS;
 }
@@ -90,12 +90,12 @@
 bool
 SBAddress::OffsetAddress (addr_t offset)
 {
-    if (m_lldb_object_ap.get())
+    if (m_opaque_ap.get())
     {
-        addr_t addr_offset = m_lldb_object_ap->GetOffset();
+        addr_t addr_offset = m_opaque_ap->GetOffset();
         if (addr_offset != LLDB_INVALID_ADDRESS)
         {
-            m_lldb_object_ap->SetOffset(addr_offset + offset);
+            m_opaque_ap->SetOffset(addr_offset + offset);
             return true;
         }
     }
@@ -106,13 +106,13 @@
 const lldb_private::Address *
 SBAddress::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 const lldb_private::Address &
 SBAddress::operator*() const
 {
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
 
diff --git a/source/API/SBBlock.cpp b/source/API/SBBlock.cpp
index 536febd..2ca8e76 100644
--- a/source/API/SBBlock.cpp
+++ b/source/API/SBBlock.cpp
@@ -14,24 +14,24 @@
 
 
 SBBlock::SBBlock () :
-    m_lldb_object_ptr (NULL)
+    m_opaque_ptr (NULL)
 {
 }
 
 SBBlock::SBBlock (lldb_private::Block *lldb_object_ptr) :
-    m_lldb_object_ptr (lldb_object_ptr)
+    m_opaque_ptr (lldb_object_ptr)
 {
 }
 
 SBBlock::~SBBlock ()
 {
-    m_lldb_object_ptr = NULL;
+    m_opaque_ptr = NULL;
 }
 
 bool
 SBBlock::IsValid () const
 {
-    return m_lldb_object_ptr != NULL;
+    return m_opaque_ptr != NULL;
 }
 
 void
@@ -39,7 +39,7 @@
 {
     if (IsValid())
     {
-        m_lldb_object_ptr->AppendVariables (can_create, get_parent_variables, var_list);
+        m_opaque_ptr->AppendVariables (can_create, get_parent_variables, var_list);
     }
 }
 
diff --git a/source/API/SBBreakpoint.cpp b/source/API/SBBreakpoint.cpp
index ad636f3..f90d7ad 100644
--- a/source/API/SBBreakpoint.cpp
+++ b/source/API/SBBreakpoint.cpp
@@ -62,18 +62,18 @@
 
 
 SBBreakpoint::SBBreakpoint () :
-    m_break_sp ()
+    m_opaque_sp ()
 {
 }
 
 SBBreakpoint::SBBreakpoint (const SBBreakpoint& rhs) :
-    m_break_sp (rhs.m_break_sp)
+    m_opaque_sp (rhs.m_opaque_sp)
 {
 }
 
 
 SBBreakpoint::SBBreakpoint (const lldb::BreakpointSP &bp_sp) :
-    m_break_sp (bp_sp)
+    m_opaque_sp (bp_sp)
 {
 }
 
@@ -86,7 +86,7 @@
 {
     if (this != &rhs)
     {
-        m_break_sp = rhs.m_break_sp;
+        m_opaque_sp = rhs.m_opaque_sp;
     }
     return *this;
 }
@@ -94,8 +94,8 @@
 break_id_t
 SBBreakpoint::GetID () const
 {
-    if (m_break_sp)
-        return m_break_sp->GetID();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetID();
     return LLDB_INVALID_BREAK_ID;
 }
 
@@ -103,28 +103,24 @@
 bool
 SBBreakpoint::IsValid() const
 {
-    return m_break_sp;
+    return m_opaque_sp;
 }
 
 void
 SBBreakpoint::Dump (FILE *f)
 {
-    if (m_break_sp)
+    if (m_opaque_sp && f)
     {
-        if (f == NULL)
-            f = SBDebugger::GetOutputFileHandle();
-        if (f == NULL)
-            return;
         lldb_private::StreamFile str (f);
-        m_break_sp->Dump (&str);
+        m_opaque_sp->Dump (&str);
     }
 }
 
 void
 SBBreakpoint::ClearAllBreakpointSites ()
 {
-    if (m_break_sp)
-        m_break_sp->ClearAllBreakpointSites ();
+    if (m_opaque_sp)
+        m_opaque_sp->ClearAllBreakpointSites ();
 }
 
 SBBreakpointLocation
@@ -132,18 +128,18 @@
 {
     SBBreakpointLocation sb_bp_location;
 
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
         if (vm_addr != LLDB_INVALID_ADDRESS)
         {
             Address address;
-            Process *sb_process = m_break_sp->GetTarget().GetProcessSP().get();
+            Process *sb_process = m_opaque_sp->GetTarget().GetProcessSP().get();
             if (sb_process == NULL || sb_process->ResolveLoadAddress (vm_addr, address) == false)
             {
                 address.SetSection (NULL);
                 address.SetOffset (vm_addr);
             }
-            sb_bp_location.SetLocation (m_break_sp->FindLocationByAddress (address));
+            sb_bp_location.SetLocation (m_opaque_sp->FindLocationByAddress (address));
         }
     }
     return sb_bp_location;
@@ -154,18 +150,18 @@
 {
     break_id_t lldb_id = (break_id_t) 0;
 
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
         if (vm_addr != LLDB_INVALID_ADDRESS)
         {
             Address address;
-            Process *sb_process = m_break_sp->GetTarget().GetProcessSP().get();
+            Process *sb_process = m_opaque_sp->GetTarget().GetProcessSP().get();
             if (sb_process == NULL || sb_process->ResolveLoadAddress (vm_addr, address) == false)
             {
                 address.SetSection (NULL);
                 address.SetOffset (vm_addr);
             }
-            lldb_id = m_break_sp->FindLocationIDByAddress (address);
+            lldb_id = m_opaque_sp->FindLocationIDByAddress (address);
         }
     }
 
@@ -177,8 +173,8 @@
 {
     SBBreakpointLocation sb_bp_location;
 
-    if (m_break_sp)
-        sb_bp_location.SetLocation (m_break_sp->FindLocationByID (bp_loc_id));
+    if (m_opaque_sp)
+        sb_bp_location.SetLocation (m_opaque_sp->FindLocationByID (bp_loc_id));
 
     return sb_bp_location;
 }
@@ -188,8 +184,8 @@
 {
     SBBreakpointLocation sb_bp_location;
 
-    if (m_break_sp)
-        sb_bp_location.SetLocation (m_break_sp->GetLocationAtIndex (index));
+    if (m_opaque_sp)
+        sb_bp_location.SetLocation (m_opaque_sp->GetLocationAtIndex (index));
 
     return sb_bp_location;
 }
@@ -197,13 +193,7 @@
 void
 SBBreakpoint::ListLocations (FILE* f, const char *description_level)
 {
-   if (f == NULL)
-       f = SBDebugger::GetOutputFileHandle();
-
-   if (f == NULL)
-       return;
-
-    if (m_break_sp)
+    if (m_opaque_sp && f)
     {
         DescriptionLevel level;
         if (strcmp (description_level, "brief") == 0)
@@ -218,10 +208,10 @@
         StreamFile str (f);
 
         str.IndentMore();
-        int num_locs = m_break_sp->GetNumLocations();
+        int num_locs = m_opaque_sp->GetNumLocations();
         for (int i = 0; i < num_locs; ++i)
         {
-            BreakpointLocation *loc = m_break_sp->GetLocationAtIndex (i).get();
+            BreakpointLocation *loc = m_opaque_sp->GetLocationAtIndex (i).get();
             loc->GetDescription (&str, level);
             str.EOL();
         }
@@ -231,15 +221,15 @@
 void
 SBBreakpoint::SetEnabled (bool enable)
 {
-    if (m_break_sp)
-        m_break_sp->SetEnabled (enable);
+    if (m_opaque_sp)
+        m_opaque_sp->SetEnabled (enable);
 }
 
 bool
 SBBreakpoint::IsEnabled ()
 {
-    if (m_break_sp)
-        return m_break_sp->IsEnabled();
+    if (m_opaque_sp)
+        return m_opaque_sp->IsEnabled();
     else
         return false;
 }
@@ -247,15 +237,15 @@
 void
 SBBreakpoint::SetIgnoreCount (int32_t count)
 {
-    if (m_break_sp)
-        m_break_sp->SetIgnoreCount (count);
+    if (m_opaque_sp)
+        m_opaque_sp->SetIgnoreCount (count);
 }
 
 int32_t
 SBBreakpoint::GetIgnoreCount () const
 {
-    if (m_break_sp)
-        return m_break_sp->GetIgnoreCount();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetIgnoreCount();
     else
         return 0;
 }
@@ -263,16 +253,16 @@
 void
 SBBreakpoint::SetThreadID (tid_t sb_thread_id)
 {
-    if (m_break_sp)
-        m_break_sp->SetThreadID (sb_thread_id);
+    if (m_opaque_sp)
+        m_opaque_sp->SetThreadID (sb_thread_id);
 }
 
 tid_t
 SBBreakpoint::GetThreadID ()
 {
     tid_t lldb_thread_id = LLDB_INVALID_THREAD_ID;
-    if (m_break_sp)
-        lldb_thread_id = m_break_sp->GetThreadID();
+    if (m_opaque_sp)
+        lldb_thread_id = m_opaque_sp->GetThreadID();
 
     return lldb_thread_id;
 }
@@ -280,16 +270,16 @@
 void
 SBBreakpoint::SetThreadIndex (uint32_t index)
 {
-    if (m_break_sp)
-        m_break_sp->GetOptions()->GetThreadSpec()->SetIndex (index);
+    if (m_opaque_sp)
+        m_opaque_sp->GetOptions()->GetThreadSpec()->SetIndex (index);
 }
 
 uint32_t
 SBBreakpoint::GetThreadIndex() const
 {
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_sp->GetOptions()->GetThreadSpec();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpec();
         if (thread_spec == NULL)
             return 0;
         else
@@ -302,16 +292,16 @@
 void
 SBBreakpoint::SetThreadName (const char *thread_name)
 {
-    if (m_break_sp)
-        m_break_sp->GetOptions()->GetThreadSpec()->SetName (thread_name);
+    if (m_opaque_sp)
+        m_opaque_sp->GetOptions()->GetThreadSpec()->SetName (thread_name);
 }
 
 const char *
 SBBreakpoint::GetThreadName () const
 {
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_sp->GetOptions()->GetThreadSpec();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpec();
         if (thread_spec == NULL)
             return NULL;
         else
@@ -323,16 +313,16 @@
 void
 SBBreakpoint::SetQueueName (const char *queue_name)
 {
-    if (m_break_sp)
-        m_break_sp->GetOptions()->GetThreadSpec()->SetQueueName (queue_name);
+    if (m_opaque_sp)
+        m_opaque_sp->GetOptions()->GetThreadSpec()->SetQueueName (queue_name);
 }
 
 const char *
 SBBreakpoint::GetQueueName () const
 {
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_sp->GetOptions()->GetThreadSpec();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptions()->GetThreadSpec();
         if (thread_spec == NULL)
             return NULL;
         else
@@ -344,8 +334,8 @@
 size_t
 SBBreakpoint::GetNumResolvedLocations() const
 {
-    if (m_break_sp)
-        return m_break_sp->GetNumResolvedLocations();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetNumResolvedLocations();
     else
         return 0;
 }
@@ -353,8 +343,8 @@
 size_t
 SBBreakpoint::GetNumLocations() const
 {
-    if (m_break_sp)
-        return m_break_sp->GetNumLocations();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetNumLocations();
     else
         return 0;
 }
@@ -365,7 +355,7 @@
     if (f == NULL)
         return;
 
-    if (m_break_sp)
+    if (m_opaque_sp)
     {
         DescriptionLevel level;
         if (strcmp (description_level, "brief") == 0)
@@ -379,15 +369,15 @@
 
         StreamFile str (f);
 
-        m_break_sp->GetDescription (&str, level);
+        m_opaque_sp->GetDescription (&str, level);
         str.EOL();
         if (describe_locations)
         {
           //str.IndentMore();
-          // int num_locs = m_break_sp->GetNumLocations();
+          // int num_locs = m_opaque_sp->GetNumLocations();
           //  for (int i = 0; i < num_locs; ++i)
           //  {
-          //      BreakpointLocation *loc = m_break_sp->FindLocationByIndex (i);
+          //      BreakpointLocation *loc = m_opaque_sp->FindLocationByIndex (i);
           //      loc->GetDescription (&str, level);
           //      str.EOL();
           //  }
@@ -405,22 +395,22 @@
     lldb::user_id_t break_loc_id
 )
 {
-    BreakpointSP bp_sp(ctx->context.target->GetBreakpointList().FindBreakpointByID(break_id));
+    BreakpointSP bp_sp(ctx->exe_ctx.target->GetBreakpointList().FindBreakpointByID(break_id));
     if (baton && bp_sp)
     {
         CallbackData *data = (CallbackData *)baton;
         lldb_private::Breakpoint *bp = bp_sp.get();
         if (bp && data->callback)
         {
-            if (ctx->context.process)
+            if (ctx->exe_ctx.process)
             {
-                SBProcess sb_process (ctx->context.process->GetSP());
+                SBProcess sb_process (ctx->exe_ctx.process->GetSP());
                 SBThread sb_thread;
                 SBBreakpointLocation sb_location;
                 assert (bp_sp);
                 sb_location.SetLocation (bp_sp->FindLocationByID (break_loc_id));
-                if (ctx->context.thread)
-                    sb_thread.SetThread(ctx->context.thread->GetSP());
+                if (ctx->exe_ctx.thread)
+                    sb_thread.SetThread(ctx->exe_ctx.thread->GetSP());
 
                 return data->callback (data->callback_baton, 
                                           sb_process, 
@@ -435,10 +425,10 @@
 void
 SBBreakpoint::SetCallback (BreakpointHitCallback callback, void *baton)
 {
-    if (m_break_sp.get())
+    if (m_opaque_sp.get())
     {
         BatonSP baton_sp(new SBBreakpointCallbackBaton (callback, baton));
-        m_break_sp->SetCallback (SBBreakpoint::PrivateBreakpointHitCallback, baton_sp, false);
+        m_opaque_sp->SetCallback (SBBreakpoint::PrivateBreakpointHitCallback, baton_sp, false);
     }
 }
 
@@ -446,24 +436,24 @@
 lldb_private::Breakpoint *
 SBBreakpoint::operator->() const
 {
-    return m_break_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb_private::Breakpoint *
 SBBreakpoint::get() const
 {
-    return m_break_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb::BreakpointSP &
 SBBreakpoint::operator *()
 {
-    return m_break_sp;
+    return m_opaque_sp;
 }
 
 const lldb::BreakpointSP &
 SBBreakpoint::operator *() const
 {
-    return m_break_sp;
+    return m_opaque_sp;
 }
 
diff --git a/source/API/SBBreakpointLocation.cpp b/source/API/SBBreakpointLocation.cpp
index b5e7859..f376f53 100644
--- a/source/API/SBBreakpointLocation.cpp
+++ b/source/API/SBBreakpointLocation.cpp
@@ -31,7 +31,7 @@
 }
 
 SBBreakpointLocation::SBBreakpointLocation (const lldb::BreakpointLocationSP &break_loc_sp) :
-    m_break_loc_sp (break_loc_sp)
+    m_opaque_sp (break_loc_sp)
 {
 }
 
@@ -42,7 +42,7 @@
 bool
 SBBreakpointLocation::IsValid() const
 {
-    return m_break_loc_sp.get() != NULL;
+    return m_opaque_sp.get() != NULL;
 }
 
 addr_t
@@ -50,9 +50,9 @@
 {
     addr_t ret_addr = LLDB_INVALID_ADDRESS;
 
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
-        ret_addr = m_break_loc_sp->GetLoadAddress();
+        ret_addr = m_opaque_sp->GetLoadAddress();
     }
 
     return ret_addr;
@@ -61,17 +61,17 @@
 void
 SBBreakpointLocation::SetEnabled (bool enabled)
 {
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
-        m_break_loc_sp->SetEnabled (enabled);
+        m_opaque_sp->SetEnabled (enabled);
     }
 }
 
 bool
 SBBreakpointLocation::IsEnabled ()
 {
-    if (m_break_loc_sp)
-        return m_break_loc_sp->IsEnabled();
+    if (m_opaque_sp)
+        return m_opaque_sp->IsEnabled();
     else
         return false;
 }
@@ -79,8 +79,8 @@
 int32_t
 SBBreakpointLocation::GetIgnoreCount ()
 {
-    if (m_break_loc_sp)
-        return m_break_loc_sp->GetIgnoreCount();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetIgnoreCount();
     else
         return 0;
 }
@@ -88,40 +88,39 @@
 void
 SBBreakpointLocation::SetIgnoreCount (int32_t n)
 {
-    if (m_break_loc_sp)
-        m_break_loc_sp->SetIgnoreCount (n);
+    if (m_opaque_sp)
+        m_opaque_sp->SetIgnoreCount (n);
 }
 
 void
 SBBreakpointLocation::SetThreadID (tid_t thread_id)
 {
-    if (m_break_loc_sp)
-        m_break_loc_sp->SetThreadID (thread_id);
+    if (m_opaque_sp)
+        m_opaque_sp->SetThreadID (thread_id);
 }
 
 tid_t
 SBBreakpointLocation::GetThreadID ()
 {
     tid_t sb_thread_id = (lldb::tid_t) LLDB_INVALID_THREAD_ID;
-    if (m_break_loc_sp)
-        sb_thread_id = m_break_loc_sp->GetLocationOptions()->GetThreadSpecNoCreate()->GetTID();
-
+    if (m_opaque_sp)
+        sb_thread_id = m_opaque_sp->GetLocationOptions()->GetThreadSpecNoCreate()->GetTID();
     return sb_thread_id;
 }
 
 void
 SBBreakpointLocation::SetThreadIndex (uint32_t index)
 {
-    if (m_break_loc_sp)
-        m_break_loc_sp->GetLocationOptions()->GetThreadSpec()->SetIndex (index);
+    if (m_opaque_sp)
+        m_opaque_sp->GetLocationOptions()->GetThreadSpec()->SetIndex (index);
 }
 
 uint32_t
 SBBreakpointLocation::GetThreadIndex() const
 {
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_loc_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
         if (thread_spec == NULL)
             return 0;
         else
@@ -134,16 +133,16 @@
 void
 SBBreakpointLocation::SetThreadName (const char *thread_name)
 {
-    if (m_break_loc_sp)
-        m_break_loc_sp->GetLocationOptions()->GetThreadSpec()->SetName (thread_name);
+    if (m_opaque_sp)
+        m_opaque_sp->GetLocationOptions()->GetThreadSpec()->SetName (thread_name);
 }
 
 const char *
 SBBreakpointLocation::GetThreadName () const
 {
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_loc_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
         if (thread_spec == NULL)
             return NULL;
         else
@@ -155,16 +154,16 @@
 void
 SBBreakpointLocation::SetQueueName (const char *queue_name)
 {
-    if (m_break_loc_sp)
-        m_break_loc_sp->GetLocationOptions()->GetThreadSpec()->SetQueueName (queue_name);
+    if (m_opaque_sp)
+        m_opaque_sp->GetLocationOptions()->GetThreadSpec()->SetQueueName (queue_name);
 }
 
 const char *
 SBBreakpointLocation::GetQueueName () const
 {
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
-        const ThreadSpec *thread_spec = m_break_loc_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
+        const ThreadSpec *thread_spec = m_opaque_sp->GetOptionsNoCreate()->GetThreadSpecNoCreate();
         if (thread_spec == NULL)
             return NULL;
         else
@@ -176,8 +175,8 @@
 bool
 SBBreakpointLocation::IsResolved ()
 {
-    if (m_break_loc_sp)
-        return m_break_loc_sp->IsResolved();
+    if (m_opaque_sp)
+        return m_opaque_sp->IsResolved();
     else
         return false;
 }
@@ -185,11 +184,11 @@
 void
 SBBreakpointLocation::SetLocation (const lldb::BreakpointLocationSP &break_loc_sp)
 {
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
         // Uninstall the callbacks?
     }
-    m_break_loc_sp = break_loc_sp;
+    m_opaque_sp = break_loc_sp;
 }
 
 void
@@ -198,7 +197,7 @@
     if (f == NULL)
         return;
 
-    if (m_break_loc_sp)
+    if (m_opaque_sp)
     {
         DescriptionLevel level;
         if (strcmp (description_level, "brief") == 0)
@@ -212,7 +211,7 @@
 
         StreamFile str (f);
 
-        m_break_loc_sp->GetDescription (&str, level);
+        m_opaque_sp->GetDescription (&str, level);
         str.EOL();
     }
 }
@@ -221,8 +220,8 @@
 SBBreakpointLocation::GetBreakpoint ()
 {
     SBBreakpoint sb_bp;
-    if (m_break_loc_sp)
-        *sb_bp = m_break_loc_sp->GetBreakpoint ().GetSP();    
+    if (m_opaque_sp)
+        *sb_bp = m_opaque_sp->GetBreakpoint ().GetSP();    
     return sb_bp;
 }
 
diff --git a/source/API/SBBroadcaster.cpp b/source/API/SBBroadcaster.cpp
index 14c5357..bbad8e2 100644
--- a/source/API/SBBroadcaster.cpp
+++ b/source/API/SBBroadcaster.cpp
@@ -19,124 +19,124 @@
 
 
 SBBroadcaster::SBBroadcaster () :
-    m_lldb_object (NULL),
-    m_lldb_object_owned (false)
+    m_opaque (NULL),
+    m_opaque_owned (false)
 {
 }
 
 
 SBBroadcaster::SBBroadcaster (const char *name) :
-    m_lldb_object (new Broadcaster (name)),
-    m_lldb_object_owned (true)
+    m_opaque (new Broadcaster (name)),
+    m_opaque_owned (true)
 {
 }
 
 SBBroadcaster::SBBroadcaster (lldb_private::Broadcaster *broadcaster, bool owns) :
-    m_lldb_object (broadcaster),
-    m_lldb_object_owned (owns)
+    m_opaque (broadcaster),
+    m_opaque_owned (owns)
 {
 }
 
 SBBroadcaster::~SBBroadcaster()
 {
-    SetLLDBObjectPtr (NULL, false);
+    reset (NULL, false);
 }
 
 void
 SBBroadcaster::BroadcastEventByType (uint32_t event_type, bool unique)
 {
-    if (m_lldb_object == NULL)
+    if (m_opaque == NULL)
         return;
 
     if (unique)
-        m_lldb_object->BroadcastEventIfUnique (event_type);
+        m_opaque->BroadcastEventIfUnique (event_type);
     else
-        m_lldb_object->BroadcastEvent (event_type);
+        m_opaque->BroadcastEvent (event_type);
 }
 
 void
 SBBroadcaster::BroadcastEvent (const SBEvent &event, bool unique)
 {
-    if (m_lldb_object == NULL)
+    if (m_opaque == NULL)
         return;
 
-    EventSP event_sp = event.GetSharedPtr ();
+    EventSP event_sp = event.GetSP ();
     if (unique)
-        m_lldb_object->BroadcastEventIfUnique (event_sp);
+        m_opaque->BroadcastEventIfUnique (event_sp);
     else
-        m_lldb_object->BroadcastEvent (event_sp);
+        m_opaque->BroadcastEvent (event_sp);
 }
 
 void
 SBBroadcaster::AddInitialEventsToListener (const SBListener &listener, uint32_t requested_events)
 {
-    if (m_lldb_object)
-        m_lldb_object->AddInitialEventsToListener (listener.get(), requested_events);
+    if (m_opaque)
+        m_opaque->AddInitialEventsToListener (listener.get(), requested_events);
 }
 
 uint32_t
 SBBroadcaster::AddListener (const SBListener &listener, uint32_t event_mask)
 {
-    if (m_lldb_object)
-        return m_lldb_object->AddListener (listener.get(), event_mask);
+    if (m_opaque)
+        return m_opaque->AddListener (listener.get(), event_mask);
     return 0;
 }
 
 const char *
 SBBroadcaster::GetName ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->GetBroadcasterName().AsCString();
+    if (m_opaque)
+        return m_opaque->GetBroadcasterName().AsCString();
     return NULL;
 }
 
 bool
 SBBroadcaster::EventTypeHasListeners (uint32_t event_type)
 {
-    if (m_lldb_object)
-        return m_lldb_object->EventTypeHasListeners (event_type);
+    if (m_opaque)
+        return m_opaque->EventTypeHasListeners (event_type);
     return false;
 }
 
 bool
 SBBroadcaster::RemoveListener (const SBListener &listener, uint32_t event_mask)
 {
-    if (m_lldb_object)
-        return m_lldb_object->RemoveListener (listener.get(), event_mask);
+    if (m_opaque)
+        return m_opaque->RemoveListener (listener.get(), event_mask);
     return false;
 }
 
 Broadcaster *
-SBBroadcaster::GetLLDBObjectPtr () const
+SBBroadcaster::get () const
 {
-    return m_lldb_object;
+    return m_opaque;
 }
 
 void
-SBBroadcaster::SetLLDBObjectPtr (Broadcaster *broadcaster, bool owns)
+SBBroadcaster::reset (Broadcaster *broadcaster, bool owns)
 {
-    if (m_lldb_object && m_lldb_object_owned)
-        delete m_lldb_object;
-    m_lldb_object = broadcaster;
-    m_lldb_object_owned = owns;
+    if (m_opaque && m_opaque_owned)
+        delete m_opaque;
+    m_opaque = broadcaster;
+    m_opaque_owned = owns;
 }
 
 
 bool
 SBBroadcaster::IsValid () const
 {
-    return m_lldb_object != NULL;
+    return m_opaque != NULL;
 }
 
 bool
 SBBroadcaster::operator == (const SBBroadcaster &rhs) const
 {
-    return m_lldb_object == rhs.m_lldb_object;
+    return m_opaque == rhs.m_opaque;
     
 }
 
 bool
 SBBroadcaster::operator != (const SBBroadcaster &rhs) const
 {
-    return m_lldb_object != rhs.m_lldb_object;
+    return m_opaque != rhs.m_opaque;
 }
diff --git a/source/API/SBCommandContext.cpp b/source/API/SBCommandContext.cpp
index c022a71..35bd6bb 100644
--- a/source/API/SBCommandContext.cpp
+++ b/source/API/SBCommandContext.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 
 #include "lldb/API/SBCommandContext.h"
@@ -17,8 +17,8 @@
 using namespace lldb_private;
 
 
-SBCommandContext::SBCommandContext (CommandContext *lldb_object) :
-    m_lldb_object (lldb_object)
+SBCommandContext::SBCommandContext (Debugger *lldb_object) :
+    m_opaque (lldb_object)
 {
 }
 
@@ -29,6 +29,6 @@
 bool
 SBCommandContext::IsValid () const
 {
-    return m_lldb_object != NULL;
+    return m_opaque != NULL;
 }
 
diff --git a/source/API/SBCommandInterpreter.cpp b/source/API/SBCommandInterpreter.cpp
index f7c0d52..27e542c 100644
--- a/source/API/SBCommandInterpreter.cpp
+++ b/source/API/SBCommandInterpreter.cpp
@@ -30,8 +30,8 @@
 using namespace lldb_private;
 
 
-SBCommandInterpreter::SBCommandInterpreter (CommandInterpreter &interpreter) :
-    m_interpreter (interpreter)
+SBCommandInterpreter::SBCommandInterpreter (CommandInterpreter *interpreter) :
+    m_opaque_ptr (interpreter)
 {
 }
 
@@ -40,28 +40,49 @@
 }
 
 bool
+SBCommandInterpreter::IsValid() const
+{
+    return m_opaque_ptr != NULL;
+}
+
+
+bool
 SBCommandInterpreter::CommandExists (const char *cmd)
 {
-    return m_interpreter.CommandExists (cmd);
+    if (m_opaque_ptr)
+        return m_opaque_ptr->CommandExists (cmd);
+    return false;
 }
 
 bool
 SBCommandInterpreter::AliasExists (const char *cmd)
 {
-    return m_interpreter.AliasExists (cmd);
+    if (m_opaque_ptr)
+        return m_opaque_ptr->AliasExists (cmd);
+    return false;
 }
 
 bool
 SBCommandInterpreter::UserCommandExists (const char *cmd)
 {
-    return m_interpreter.UserCommandExists (cmd);
+    if (m_opaque_ptr)
+        return m_opaque_ptr->UserCommandExists (cmd);
+    return false;
 }
 
 lldb::ReturnStatus
 SBCommandInterpreter::HandleCommand (const char *command_line, SBCommandReturnObject &result, bool add_to_history)
 {
     result.Clear();
-    m_interpreter.HandleCommand (command_line, add_to_history, result.GetLLDBObjectRef());
+    if (m_opaque_ptr)
+    {
+        m_opaque_ptr->HandleCommand (command_line, add_to_history, result.ref());
+    }
+    else
+    {
+        result->AppendError ("SBCommandInterpreter is not valid");
+        result->SetStatus (eReturnStatusFailed);
+    }
     return result.GetStatus();
 }
 
@@ -73,64 +94,79 @@
                                         int max_return_elements,
                                         SBStringList &matches)
 {
-    int num_completions;
-    lldb_private::StringList lldb_matches;
-    num_completions =  m_interpreter.HandleCompletion (current_line, cursor, last_char, match_start_point,
-                                                       max_return_elements, lldb_matches);
+    int num_completions = 0;
+    if (m_opaque_ptr)
+    {
+        lldb_private::StringList lldb_matches;
+        num_completions =  m_opaque_ptr->HandleCompletion (current_line, cursor, last_char, match_start_point,
+                                                           max_return_elements, lldb_matches);
 
-    SBStringList temp_list (&lldb_matches);
-    matches.AppendList (temp_list);
-
+        SBStringList temp_list (&lldb_matches);
+        matches.AppendList (temp_list);
+    }
     return num_completions;
 }
 
 const char **
 SBCommandInterpreter::GetEnvironmentVariables ()
 {
-    const Args *env_vars =  m_interpreter.GetEnvironmentVariables();
-    if (env_vars)
-        return env_vars->GetConstArgumentVector ();
+    if (m_opaque_ptr)
+    {
+        const Args *env_vars =  m_opaque_ptr->GetEnvironmentVariables();
+        if (env_vars)
+            return env_vars->GetConstArgumentVector ();
+    }
     return NULL;
 }
 
 bool
 SBCommandInterpreter::HasCommands ()
 {
-    return m_interpreter.HasCommands();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HasCommands();
+    return false;
 }
 
 bool
 SBCommandInterpreter::HasAliases ()
 {
-    return m_interpreter.HasAliases();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HasAliases();
+    return false;
 }
 
 bool
 SBCommandInterpreter::HasUserCommands ()
 {
-    return m_interpreter.HasUserCommands ();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HasUserCommands ();
+    return false;
 }
 
 bool
 SBCommandInterpreter::HasAliasOptions ()
 {
-    return m_interpreter.HasAliasOptions ();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HasAliasOptions ();
+    return false;
 }
 
 bool
 SBCommandInterpreter::HasInterpreterVariables ()
 {
-    return m_interpreter.HasInterpreterVariables ();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HasInterpreterVariables ();
+    return false;
 }
 
 SBProcess
 SBCommandInterpreter::GetProcess ()
 {
     SBProcess process;
-    CommandContext *context = m_interpreter.Context();
-    if (context)
+    if (m_opaque_ptr)
     {
-        Target *target = context->GetTarget();
+        Debugger &debugger = m_opaque_ptr->GetDebugger();
+        Target *target = debugger.GetCurrentTarget().get();
         if (target)
             process.SetProcess(target->GetProcessSP());
     }
@@ -140,7 +176,7 @@
 ssize_t
 SBCommandInterpreter::WriteToScriptInterpreter (const char *src)
 {
-    if (src)
+    if (m_opaque_ptr && src && src[0])
         return WriteToScriptInterpreter (src, strlen(src));
     return 0;
 }
@@ -148,9 +184,9 @@
 ssize_t
 SBCommandInterpreter::WriteToScriptInterpreter (const char *src, size_t src_len)
 {
-    if (src && src[0])
+    if (m_opaque_ptr && src && src[0])
     {
-        ScriptInterpreter *script_interpreter = m_interpreter.GetScriptInterpreter();
+        ScriptInterpreter *script_interpreter = m_opaque_ptr->GetScriptInterpreter();
         if (script_interpreter)
             return ::write (script_interpreter->GetMasterFileDescriptor(), src, src_len);
     }
@@ -159,35 +195,58 @@
 
 
 CommandInterpreter *
-SBCommandInterpreter::GetLLDBObjectPtr ()
+SBCommandInterpreter::get ()
 {
-    return &m_interpreter;
+    return m_opaque_ptr;
 }
 
 CommandInterpreter &
-SBCommandInterpreter::GetLLDBObjectRef ()
+SBCommandInterpreter::ref ()
 {
-    return m_interpreter;
+    assert (m_opaque_ptr);
+    return *m_opaque_ptr;
+}
+
+void
+SBCommandInterpreter::reset (lldb_private::CommandInterpreter *interpreter)
+{
+    m_opaque_ptr = interpreter;
 }
 
 void
 SBCommandInterpreter::SourceInitFileInHomeDirectory (SBCommandReturnObject &result)
 {
     result.Clear();
-    m_interpreter.SourceInitFile (false, result.GetLLDBObjectRef());
+    if (m_opaque_ptr)
+    {
+        m_opaque_ptr->SourceInitFile (false, result.ref());
+    }
+    else
+    {
+        result->AppendError ("SBCommandInterpreter is not valid");
+        result->SetStatus (eReturnStatusFailed);
+    }
 }
 
 void
 SBCommandInterpreter::SourceInitFileInCurrentWorkingDirectory (SBCommandReturnObject &result)
 {
     result.Clear();
-    m_interpreter.SourceInitFile (true, result.GetLLDBObjectRef());
+    if (m_opaque_ptr)
+    {
+        m_opaque_ptr->SourceInitFile (true, result.ref());
+    }
+    else
+    {
+        result->AppendError ("SBCommandInterpreter is not valid");
+        result->SetStatus (eReturnStatusFailed);
+    }
 }
 
 SBBroadcaster
 SBCommandInterpreter::GetBroadcaster ()
 {
-    SBBroadcaster broadcaster (&m_interpreter, false);
+    SBBroadcaster broadcaster (m_opaque_ptr, false);
     return broadcaster;
 }
 
diff --git a/source/API/SBCommandReturnObject.cpp b/source/API/SBCommandReturnObject.cpp
index b345a04..5742c5c 100644
--- a/source/API/SBCommandReturnObject.cpp
+++ b/source/API/SBCommandReturnObject.cpp
@@ -12,53 +12,54 @@
 #include "lldb/API/SBCommandReturnObject.h"
 
 using namespace lldb;
+using namespace lldb_private;
 
 SBCommandReturnObject::SBCommandReturnObject () :
-    m_return_object_ap (new lldb_private::CommandReturnObject ())
+    m_opaque_ap (new CommandReturnObject ())
 {
 }
 
 SBCommandReturnObject::~SBCommandReturnObject ()
 {
-    // m_return_object_ap will automatically delete any pointer it owns
+    // m_opaque_ap will automatically delete any pointer it owns
 }
 
 bool
 SBCommandReturnObject::IsValid() const
 {
-    return m_return_object_ap.get() != NULL;
+    return m_opaque_ap.get() != NULL;
 }
 
 
 const char *
 SBCommandReturnObject::GetOutput ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->GetOutputStream().GetData();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetOutputStream().GetData();
     return NULL;
 }
 
 const char *
 SBCommandReturnObject::GetError ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->GetErrorStream().GetData();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetErrorStream().GetData();
     return NULL;
 }
 
 size_t
 SBCommandReturnObject::GetOutputSize ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->GetOutputStream().GetSize();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetOutputStream().GetSize();
     return 0;
 }
 
 size_t
 SBCommandReturnObject::GetErrorSize ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->GetErrorStream().GetSize();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetErrorStream().GetSize();
     return 0;
 }
 
@@ -89,60 +90,73 @@
 void
 SBCommandReturnObject::Clear()
 {
-    if (m_return_object_ap.get())
-        m_return_object_ap->Clear();
+    if (m_opaque_ap.get())
+        m_opaque_ap->Clear();
 }
 
 lldb::ReturnStatus
 SBCommandReturnObject::GetStatus()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->GetStatus();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetStatus();
     return lldb::eReturnStatusInvalid;
 }
 
 bool
 SBCommandReturnObject::Succeeded ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->Succeeded();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->Succeeded();
     return false;
 }
 
 bool
 SBCommandReturnObject::HasResult ()
 {
-    if (m_return_object_ap.get())
-        return m_return_object_ap->HasResult();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->HasResult();
     return false;
 }
 
 void
 SBCommandReturnObject::AppendMessage (const char *message)
 {
-    if (m_return_object_ap.get())
-        m_return_object_ap->AppendMessage (message);
+    if (m_opaque_ap.get())
+        m_opaque_ap->AppendMessage (message);
 }
 
-lldb_private::CommandReturnObject *
-SBCommandReturnObject::GetLLDBObjectPtr()
+CommandReturnObject *
+SBCommandReturnObject::operator ->() const
 {
-    return m_return_object_ap.get();
+    return m_opaque_ap.get();
+}
+
+CommandReturnObject *
+SBCommandReturnObject::get() const
+{
+    return m_opaque_ap.get();
+}
+
+CommandReturnObject &
+SBCommandReturnObject::operator *() const
+{
+    assert(m_opaque_ap.get());
+    return *(m_opaque_ap.get());
 }
 
 
-lldb_private::CommandReturnObject &
-SBCommandReturnObject::GetLLDBObjectRef()
+CommandReturnObject &
+SBCommandReturnObject::ref() const
 {
-    assert(m_return_object_ap.get());
-    return *(m_return_object_ap.get());
+    assert(m_opaque_ap.get());
+    return *(m_opaque_ap.get());
 }
 
 
 void
-SBCommandReturnObject::SetLLDBObjectPtr (lldb_private::CommandReturnObject *ptr)
+SBCommandReturnObject::SetLLDBObjectPtr (CommandReturnObject *ptr)
 {
-    if (m_return_object_ap.get())
-        m_return_object_ap.reset (ptr);
+    if (m_opaque_ap.get())
+        m_opaque_ap.reset (ptr);
 }
 
diff --git a/source/API/SBCommunication.cpp b/source/API/SBCommunication.cpp
index e2a7917..b1ae37b 100644
--- a/source/API/SBCommunication.cpp
+++ b/source/API/SBCommunication.cpp
@@ -18,57 +18,57 @@
 
 
 SBCommunication::SBCommunication() :
-    m_lldb_object (NULL),
-    m_lldb_object_owned (false)
+    m_opaque (NULL),
+    m_opaque_owned (false)
 {
 }
 
 SBCommunication::SBCommunication(const char * broadcaster_name) :
-    m_lldb_object (new Communication (broadcaster_name)),
-    m_lldb_object_owned (true)
+    m_opaque (new Communication (broadcaster_name)),
+    m_opaque_owned (true)
 {
 }
 
 SBCommunication::~SBCommunication()
 {
-    if (m_lldb_object && m_lldb_object_owned)
-        delete m_lldb_object;
-    m_lldb_object = NULL;
-    m_lldb_object_owned = false;
+    if (m_opaque && m_opaque_owned)
+        delete m_opaque;
+    m_opaque = NULL;
+    m_opaque_owned = false;
 }
 
 ConnectionStatus
 SBCommunication::CheckIfBytesAvailable ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->BytesAvailable (0, NULL);
+    if (m_opaque)
+        return m_opaque->BytesAvailable (0, NULL);
     return eConnectionStatusNoConnection;
 }
 
 ConnectionStatus
 SBCommunication::WaitForBytesAvailableInfinite ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->BytesAvailable (UINT32_MAX, NULL);
+    if (m_opaque)
+        return m_opaque->BytesAvailable (UINT32_MAX, NULL);
     return eConnectionStatusNoConnection;
 }
 
 ConnectionStatus
 SBCommunication::WaitForBytesAvailableWithTimeout (uint32_t timeout_usec)
 {
-    if (m_lldb_object)
-        return m_lldb_object->BytesAvailable (timeout_usec, NULL);
+    if (m_opaque)
+        return m_opaque->BytesAvailable (timeout_usec, NULL);
     return eConnectionStatusNoConnection;
 }
 
 ConnectionStatus
 SBCommunication::Connect (const char *url)
 {
-    if (m_lldb_object)
+    if (m_opaque)
     {
-        if (!m_lldb_object->HasConnection ())
-            m_lldb_object->SetConnection (new ConnectionFileDescriptor());
-        return m_lldb_object->Connect (url, NULL);
+        if (!m_opaque->HasConnection ())
+            m_opaque->SetConnection (new ConnectionFileDescriptor());
+        return m_opaque->Connect (url, NULL);
     }
     return eConnectionStatusNoConnection;
 }
@@ -76,15 +76,15 @@
 ConnectionStatus
 SBCommunication::AdoptFileDesriptor (int fd, bool owns_fd)
 {
-    if (m_lldb_object)
+    if (m_opaque)
     {
-        if (m_lldb_object->HasConnection ())
+        if (m_opaque->HasConnection ())
         {
-            if (m_lldb_object->IsConnected())
-                m_lldb_object->Disconnect ();
+            if (m_opaque->IsConnected())
+                m_opaque->Disconnect ();
         }
-        m_lldb_object->SetConnection (new ConnectionFileDescriptor (fd, owns_fd));
-        if (m_lldb_object->IsConnected())
+        m_opaque->SetConnection (new ConnectionFileDescriptor (fd, owns_fd));
+        if (m_opaque->IsConnected())
             return eConnectionStatusSuccess;
         else
             return eConnectionStatusLostConnection;
@@ -96,24 +96,24 @@
 ConnectionStatus
 SBCommunication::Disconnect ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->Disconnect ();
+    if (m_opaque)
+        return m_opaque->Disconnect ();
     return eConnectionStatusNoConnection;
 }
 
 bool
 SBCommunication::IsConnected () const
 {
-    if (m_lldb_object)
-        return m_lldb_object->IsConnected ();
+    if (m_opaque)
+        return m_opaque->IsConnected ();
     return false;
 }
 
 size_t
 SBCommunication::Read (void *dst, size_t dst_len, uint32_t timeout_usec, ConnectionStatus &status)
 {
-    if (m_lldb_object)
-        return m_lldb_object->Read (dst, dst_len, timeout_usec, status, NULL);
+    if (m_opaque)
+        return m_opaque->Read (dst, dst_len, timeout_usec, status, NULL);
     status = eConnectionStatusNoConnection;
     return 0;
 }
@@ -122,8 +122,8 @@
 size_t
 SBCommunication::Write (const void *src, size_t src_len, ConnectionStatus &status)
 {
-    if (m_lldb_object)
-        return m_lldb_object->Write (src, src_len, status, NULL);
+    if (m_opaque)
+        return m_opaque->Write (src, src_len, status, NULL);
     status = eConnectionStatusNoConnection;
     return 0;
 }
@@ -131,8 +131,8 @@
 bool
 SBCommunication::ReadThreadStart ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->StartReadThread ();
+    if (m_opaque)
+        return m_opaque->StartReadThread ();
     return false;
 }
 
@@ -140,16 +140,16 @@
 bool
 SBCommunication::ReadThreadStop ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->StopReadThread ();
+    if (m_opaque)
+        return m_opaque->StopReadThread ();
     return false;
 }
 
 bool
 SBCommunication::ReadThreadIsRunning ()
 {
-    if (m_lldb_object)
-        return m_lldb_object->ReadThreadIsRunning ();
+    if (m_opaque)
+        return m_opaque->ReadThreadIsRunning ();
     return false;
 }
 
@@ -160,9 +160,9 @@
     void *callback_baton
 )
 {
-    if (m_lldb_object)
+    if (m_opaque)
     {
-        m_lldb_object->SetReadThreadBytesReceivedCallback (callback, callback_baton);
+        m_opaque->SetReadThreadBytesReceivedCallback (callback, callback_baton);
         return true;
     }
     return false;
@@ -171,7 +171,7 @@
 SBBroadcaster
 SBCommunication::GetBroadcaster ()
 {
-    SBBroadcaster broadcaster (m_lldb_object, false);
+    SBBroadcaster broadcaster (m_opaque, false);
     return broadcaster;
 }
 
@@ -180,15 +180,15 @@
 //void
 //SBCommunication::CreateIfNeeded ()
 //{
-//    if (m_lldb_object == NULL)
+//    if (m_opaque == NULL)
 //    {
 //        static uint32_t g_broadcaster_num;
 //        char broadcaster_name[256];
 //        ::snprintf (name, broadcaster_name, "%p SBCommunication", this);
-//        m_lldb_object = new Communication (broadcaster_name);
-//        m_lldb_object_owned = true;
+//        m_opaque = new Communication (broadcaster_name);
+//        m_opaque_owned = true;
 //    }
-//    assert (m_lldb_object);
+//    assert (m_opaque);
 //}
 //
 //
diff --git a/source/API/SBCompileUnit.cpp b/source/API/SBCompileUnit.cpp
index a12934a..dc873e3 100644
--- a/source/API/SBCompileUnit.cpp
+++ b/source/API/SBCompileUnit.cpp
@@ -18,35 +18,35 @@
 
 
 SBCompileUnit::SBCompileUnit () :
-    m_lldb_object_ptr (NULL)
+    m_opaque_ptr (NULL)
 {
 }
 
 SBCompileUnit::SBCompileUnit (lldb_private::CompileUnit *lldb_object_ptr) :
-    m_lldb_object_ptr (lldb_object_ptr)
+    m_opaque_ptr (lldb_object_ptr)
 {
 }
 
 SBCompileUnit::~SBCompileUnit ()
 {
-    m_lldb_object_ptr = NULL;
+    m_opaque_ptr = NULL;
 }
 
 SBFileSpec
 SBCompileUnit::GetFileSpec () const
 {
     SBFileSpec file_spec;
-    if (m_lldb_object_ptr)
-        file_spec.SetFileSpec(*m_lldb_object_ptr);
+    if (m_opaque_ptr)
+        file_spec.SetFileSpec(*m_opaque_ptr);
     return file_spec;
 }
 
 uint32_t
 SBCompileUnit::GetNumLineEntries () const
 {
-    if (m_lldb_object_ptr)
+    if (m_opaque_ptr)
     {
-        LineTable *line_table = m_lldb_object_ptr->GetLineTable ();
+        LineTable *line_table = m_opaque_ptr->GetLineTable ();
         if (line_table)
             return line_table->GetSize();
     }
@@ -57,9 +57,9 @@
 SBCompileUnit::GetLineEntryAtIndex (uint32_t idx) const
 {
     SBLineEntry sb_line_entry;
-    if (m_lldb_object_ptr)
+    if (m_opaque_ptr)
     {
-        LineTable *line_table = m_lldb_object_ptr->GetLineTable ();
+        LineTable *line_table = m_opaque_ptr->GetLineTable ();
         if (line_table)
         {
             LineEntry line_entry;
@@ -73,15 +73,15 @@
 uint32_t
 SBCompileUnit::FindLineEntryIndex (uint32_t start_idx, uint32_t line, SBFileSpec *inline_file_spec) const
 {
-    if (m_lldb_object_ptr)
+    if (m_opaque_ptr)
     {
         FileSpec file_spec;
         if (inline_file_spec && inline_file_spec->IsValid())
             file_spec = inline_file_spec->ref();
         else
-            file_spec = *m_lldb_object_ptr;
+            file_spec = *m_opaque_ptr;
 
-        return m_lldb_object_ptr->FindLineEntry (start_idx,
+        return m_opaque_ptr->FindLineEntry (start_idx,
                                                  line,
                                                  inline_file_spec ? inline_file_spec->get() : NULL,
                                                  NULL);
@@ -92,29 +92,29 @@
 bool
 SBCompileUnit::IsValid () const
 {
-    return m_lldb_object_ptr != NULL;
+    return m_opaque_ptr != NULL;
 }
 
 bool
 SBCompileUnit::operator == (const SBCompileUnit &rhs) const
 {
-    return m_lldb_object_ptr == rhs.m_lldb_object_ptr;
+    return m_opaque_ptr == rhs.m_opaque_ptr;
 }
 
 bool
 SBCompileUnit::operator != (const SBCompileUnit &rhs) const
 {
-    return m_lldb_object_ptr != rhs.m_lldb_object_ptr;
+    return m_opaque_ptr != rhs.m_opaque_ptr;
 }
 
 const lldb_private::CompileUnit *
 SBCompileUnit::operator->() const
 {
-    return m_lldb_object_ptr;
+    return m_opaque_ptr;
 }
 
 const lldb_private::CompileUnit &
 SBCompileUnit::operator*() const
 {
-    return *m_lldb_object_ptr;
+    return *m_opaque_ptr;
 }
diff --git a/source/API/SBDebugger.cpp b/source/API/SBDebugger.cpp
index 72e7907..d8d0dbb 100644
--- a/source/API/SBDebugger.cpp
+++ b/source/API/SBDebugger.cpp
@@ -43,112 +43,121 @@
     Debugger::Terminate();
 }
 
+SBDebugger
+SBDebugger::Create()
+{
+    SBDebugger debugger;
+    debugger.reset(Debugger::CreateInstance());
+    return debugger;
+}
+
+
+SBDebugger::SBDebugger () :
+    m_opaque_sp ()
+{
+}
+
+SBDebugger::~SBDebugger ()
+{
+}
+
+bool
+SBDebugger::IsValid() const
+{
+    return m_opaque_sp.get() != NULL;
+}
+
+
 void
 SBDebugger::SetAsync (bool b)
 {
-    static bool value_set_once = false;
-
-    if (!value_set_once)
-    {
-        value_set_once = true;
-        Debugger::GetSharedInstance().SetAsyncExecution(b);
-    }
+    if (m_opaque_sp)
+        m_opaque_sp->SetAsyncExecution(b);
 }
 
-void
-SBDebugger::SetInputFile (const char *tty_name)
-{
-    // DEPRECATED: will be removed in next submission
-    FILE *fh = ::fopen (tty_name, "r");
-    SetInputFileHandle  (fh, true);
-}
-
-void
-SBDebugger::SetOutputFile (const char *tty_name)
-{
-    // DEPRECATED: will be removed in next submission
-    FILE *fh = ::fopen (tty_name, "w");
-    SetOutputFileHandle (fh, true);
-    SetErrorFileHandle  (fh, false);
-}
-
-void
-SBDebugger::SetErrorFile (const char *tty_name)
-{
-    // DEPRECATED: will be removed in next submission
-}
-
-
 // Shouldn't really be settable after initialization as this could cause lots of problems; don't want users
 // trying to switch modes in the middle of a debugging session.
 void
 SBDebugger::SetInputFileHandle (FILE *fh, bool transfer_ownership)
 {
-    Debugger::GetSharedInstance().SetInputFileHandle (fh, transfer_ownership);
+    if (m_opaque_sp)
+        m_opaque_sp->SetInputFileHandle (fh, transfer_ownership);
 }
 
 void
 SBDebugger::SetOutputFileHandle (FILE *fh, bool transfer_ownership)
 {
-    Debugger::GetSharedInstance().SetOutputFileHandle (fh, transfer_ownership);
+    if (m_opaque_sp)
+        m_opaque_sp->SetOutputFileHandle (fh, transfer_ownership);
 }
 
 void
 SBDebugger::SetErrorFileHandle (FILE *fh, bool transfer_ownership)
 {
-    Debugger::GetSharedInstance().SetErrorFileHandle (fh, transfer_ownership);
+    if (m_opaque_sp)
+        m_opaque_sp->SetErrorFileHandle (fh, transfer_ownership);
 }
 
 FILE *
 SBDebugger::GetInputFileHandle ()
 {
-    return Debugger::GetSharedInstance().GetInputFileHandle();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetInputFileHandle();
+    return NULL;
 }
 
 FILE *
 SBDebugger::GetOutputFileHandle ()
 {
-    return Debugger::GetSharedInstance().GetOutputFileHandle();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetOutputFileHandle();
+    return NULL;
 }
 
 FILE *
 SBDebugger::GetErrorFileHandle ()
 {
-    return Debugger::GetSharedInstance().GetErrorFileHandle();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetErrorFileHandle();
+    return NULL;
 }
 
 SBCommandInterpreter
 SBDebugger::GetCommandInterpreter ()
 {
-    SBCommandInterpreter sb_interpreter(Debugger::GetSharedInstance().GetCommandInterpreter());
+    SBCommandInterpreter sb_interpreter;
+    if (m_opaque_sp)
+        sb_interpreter.reset (&m_opaque_sp->GetCommandInterpreter());
     return sb_interpreter;
 }
 
 void
 SBDebugger::HandleCommand (const char *command)
 {
-    SBProcess process;
-    SBCommandInterpreter sb_interpreter(Debugger::GetSharedInstance().GetCommandInterpreter());
-    SBCommandReturnObject result;
-
-    sb_interpreter.HandleCommand (command, result, false);
-
-    if (GetErrorFileHandle() != NULL)
-        result.PutError (GetErrorFileHandle());
-    if (GetOutputFileHandle() != NULL)
-        result.PutOutput (GetOutputFileHandle());
-
-    if (Debugger::GetSharedInstance().GetAsyncExecution() == false)
+    if (m_opaque_sp)
     {
-        process = GetCommandInterpreter().GetProcess ();
-        if (process.IsValid())
+        SBCommandInterpreter sb_interpreter(GetCommandInterpreter ());
+        SBCommandReturnObject result;
+
+        sb_interpreter.HandleCommand (command, result, false);
+
+        if (GetErrorFileHandle() != NULL)
+            result.PutError (GetErrorFileHandle());
+        if (GetOutputFileHandle() != NULL)
+            result.PutOutput (GetOutputFileHandle());
+
+        if (m_opaque_sp->GetAsyncExecution() == false)
         {
-            EventSP event_sp;
-            Listener &lldb_listener = Debugger::GetSharedInstance().GetListener();
-            while (lldb_listener.GetNextEventForBroadcaster (process.get(), event_sp))
+            SBProcess process(GetCommandInterpreter().GetProcess ());
+            if (process.IsValid())
             {
-                SBEvent event(event_sp);
-                HandleProcessEvent (process, event, GetOutputFileHandle(), GetErrorFileHandle());
+                EventSP event_sp;
+                Listener &lldb_listener = m_opaque_sp->GetListener();
+                while (lldb_listener.GetNextEventForBroadcaster (process.get(), event_sp))
+                {
+                    SBEvent event(event_sp);
+                    HandleProcessEvent (process, event, GetOutputFileHandle(), GetErrorFileHandle());
+                }
             }
         }
     }
@@ -157,7 +166,9 @@
 SBListener
 SBDebugger::GetListener ()
 {
-    SBListener sb_listener(Debugger::GetSharedInstance().GetListener());
+    SBListener sb_listener;
+    if (m_opaque_sp)
+        sb_listener.reset(&m_opaque_sp->GetListener(), false);
     return sb_listener;
 }
 
@@ -271,53 +282,6 @@
     }
 }
 
-void
-SBDebugger::ReportCurrentLocation (FILE *out, FILE *err)
-{
-    if ((out == NULL) || (err == NULL))
-        return;
-
-    SBTarget sb_target (GetCurrentTarget());
-    if (!sb_target.IsValid())
-    {
-        fprintf (out, "no target\n");
-        return;
-    }
-
-    SBProcess process = sb_target.GetProcess ();
-    if (process.IsValid())
-    {
-        StateType state = process.GetState();
-
-        if (StateIsStoppedState (state))
-        {
-            if (state == eStateExited)
-            {
-                int exit_status = process.GetExitStatus();
-                const char *exit_description = process.GetExitDescription();
-                ::fprintf (out, "Process %d exited with status = %i (0x%8.8x) %s\n",
-                           process.GetProcessID(),
-                           exit_status,
-                           exit_status,
-                           exit_description ? exit_description : "");
-            }
-            else
-            {
-                fprintf (out, "Process %d %s\n", process.GetProcessID(), StateAsCString (state));
-                SBThread current_thread = process.GetThreadAtIndex (0);
-                if (current_thread.IsValid())
-                {
-                    process.DisplayThreadsInfo (out, err, true);
-                }
-                else
-                    fprintf (out, "No valid thread found in current process\n");
-            }
-        }
-        else
-            fprintf (out, "No current location or status available\n");
-    }
-}
-
 SBSourceManager &
 SBDebugger::GetSourceManager ()
 {
@@ -367,38 +331,6 @@
                                          eScriptLanguageDefault,
                                          NULL);
 }
-//pid_t
-/*
-SBDebugger::AttachByName (const char *process_name, const char *filename)
-{
-    SBTarget *temp_target = GetCurrentTarget();
-    SBTarget sb_target;
-    pid_t return_pid = (pid_t) LLDB_INVALID_PROCESS_ID;
-
-    if (temp_target == NULL)
-    {
-        if (filename != NULL)
-        {
-            sb_target = CreateWithFile (filename);
-            sb_target.SetArch (LLDB_ARCH_DEFAULT);
-        }
-    }
-    else
-    {
-          sb_target = *temp_target;
-    }
-
-    if (sb_target.IsValid())
-    {
-        SBProcess process = sb_target.GetProcess ();
-        if (process.IsValid())
-        {
-            return_pid = process.AttachByName (process_name);
-        }
-    }
-    return return_pid;
-}
-*/
 
 const char *
 SBDebugger::GetVersionString ()
@@ -429,34 +361,77 @@
 SBDebugger::CreateTargetWithFileAndTargetTriple (const char *filename,
                                                  const char *target_triple)
 {
-    ArchSpec arch;
-    FileSpec file_spec (filename);
-    arch.SetArchFromTargetTriple(target_triple);
-    TargetSP target_sp;
-    Error error (Debugger::GetSharedInstance().GetTargetList().CreateTarget (file_spec, arch, NULL, true, target_sp));
-    SBTarget target(target_sp);
+    SBTarget target;
+    if (m_opaque_sp)
+    {
+        ArchSpec arch;
+        FileSpec file_spec (filename);
+        arch.SetArchFromTargetTriple(target_triple);
+        TargetSP target_sp;
+        Error error (m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file_spec, arch, NULL, true, target_sp));
+        target.reset (target_sp);
+    }
     return target;
 }
 
 SBTarget
 SBDebugger::CreateTargetWithFileAndArch (const char *filename, const char *archname)
 {
-    FileSpec file (filename);
-    ArchSpec arch = lldb_private::GetDefaultArchitecture();
-    TargetSP target_sp;
-    Error error;
+    SBTarget target;
+    if (m_opaque_sp)
+    {
+        FileSpec file (filename);
+        ArchSpec arch = lldb_private::GetDefaultArchitecture();
+        TargetSP target_sp;
+        Error error;
 
-    if (archname != NULL)
-    {
-        ArchSpec arch2 (archname);
-        error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file, arch2, NULL, true, target_sp);
+        if (archname != NULL)
+        {
+            ArchSpec arch2 (archname);
+            error = m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file, arch2, NULL, true, target_sp);
+        }
+        else
+        {
+            if (!arch.IsValid())
+                arch = LLDB_ARCH_DEFAULT;
+
+            error = m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file, arch, NULL, true, target_sp);
+
+            if (error.Fail())
+            {
+                if (arch == LLDB_ARCH_DEFAULT_32BIT)
+                    arch = LLDB_ARCH_DEFAULT_64BIT;
+                else
+                    arch = LLDB_ARCH_DEFAULT_32BIT;
+
+                error = m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file, arch, NULL, true, target_sp);
+            }
+        }
+
+        if (error.Success())
+        {
+            m_opaque_sp->GetTargetList().SetCurrentTarget (target_sp.get());
+            target.reset(target_sp);
+        }
     }
-    else
+    return target;
+}
+
+SBTarget
+SBDebugger::CreateTarget (const char *filename)
+{
+    SBTarget target;
+    if (m_opaque_sp)
     {
+        FileSpec file (filename);
+        ArchSpec arch = lldb_private::GetDefaultArchitecture();
+        TargetSP target_sp;
+        Error error;
+
         if (!arch.IsValid())
             arch = LLDB_ARCH_DEFAULT;
 
-        error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file, arch, NULL, true, target_sp);
+        error = m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file, arch, NULL, true, target_sp);
 
         if (error.Fail())
         {
@@ -465,77 +440,57 @@
             else
                 arch = LLDB_ARCH_DEFAULT_32BIT;
 
-            error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file, arch, NULL, true, target_sp);
+            error = m_opaque_sp->GetTargetList().CreateTarget (*m_opaque_sp, file, arch, NULL, true, target_sp);
+        }
+
+        if (error.Success())
+        {
+            m_opaque_sp->GetTargetList().SetCurrentTarget (target_sp.get());
+            target.reset (target_sp);
         }
     }
-
-    if (error.Success())
-        Debugger::GetSharedInstance().GetTargetList().SetCurrentTarget (target_sp.get());
-    else
-        target_sp.reset();
-
-    SBTarget sb_target (target_sp);
-    return sb_target;
-}
-
-SBTarget
-SBDebugger::CreateTarget (const char *filename)
-{
-    FileSpec file (filename);
-    ArchSpec arch = lldb_private::GetDefaultArchitecture();
-    TargetSP target_sp;
-    Error error;
-
-    if (!arch.IsValid())
-        arch = LLDB_ARCH_DEFAULT;
-
-    error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file, arch, NULL, true, target_sp);
-
-    if (error.Fail())
-    {
-        if (arch == LLDB_ARCH_DEFAULT_32BIT)
-            arch = LLDB_ARCH_DEFAULT_64BIT;
-        else
-            arch = LLDB_ARCH_DEFAULT_32BIT;
-
-        error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file, arch, NULL, true, target_sp);
-    }
-
-    if (!error.Fail())
-        Debugger::GetSharedInstance().GetTargetList().SetCurrentTarget (target_sp.get());
-
-    SBTarget sb_target (target_sp);
-    return sb_target;
+    return target;
 }
 
 SBTarget
 SBDebugger::GetTargetAtIndex (uint32_t idx)
 {
-    SBTarget sb_target (Debugger::GetSharedInstance().GetTargetList().GetTargetAtIndex (idx));
+    SBTarget sb_target;
+    if (m_opaque_sp)
+        sb_target.reset(m_opaque_sp->GetTargetList().GetTargetAtIndex (idx));
     return sb_target;
 }
 
 SBTarget
 SBDebugger::FindTargetWithProcessID (pid_t pid)
 {
-    SBTarget sb_target(Debugger::GetSharedInstance().GetTargetList().FindTargetWithProcessID (pid));
+    SBTarget sb_target;
+    if (m_opaque_sp)
+        sb_target.reset(m_opaque_sp->GetTargetList().FindTargetWithProcessID (pid));
     return sb_target;
 }
 
 SBTarget
 SBDebugger::FindTargetWithFileAndArch (const char *filename, const char *arch_name)
 {
-    ArchSpec arch;
-    if (arch_name)
-        arch.SetArch(arch_name);
-    return SBTarget (Debugger::GetSharedInstance().GetTargetList().FindTargetWithExecutableAndArchitecture (FileSpec(filename),
-                                                                                                            arch_name ? &arch : NULL));
+    SBTarget sb_target;
+    if (m_opaque_sp && filename && filename[0])
+    {
+        ArchSpec arch;
+        if (arch_name)
+            arch.SetArch(arch_name);
+        TargetSP target_sp (m_opaque_sp->GetTargetList().FindTargetWithExecutableAndArchitecture (FileSpec(filename), arch_name ? &arch : NULL));
+        sb_target.reset(target_sp);
+    }
+    return sb_target;
 }
 
 SBTarget
 SBDebugger::FindTargetWithLLDBProcess (const lldb::ProcessSP &process_sp)
 {
-    SBTarget sb_target(Debugger::GetSharedInstance().GetTargetList().FindTargetWithProcess (process_sp.get()));
+    SBTarget sb_target;
+    if (m_opaque_sp)
+        sb_target.reset(m_opaque_sp->GetTargetList().FindTargetWithProcess (process_sp.get()));
     return sb_target;
 }
 
@@ -543,27 +498,54 @@
 uint32_t
 SBDebugger::GetNumTargets ()
 {
-    return Debugger::GetSharedInstance().GetTargetList().GetNumTargets ();}
+    if (m_opaque_sp)
+        return m_opaque_sp->GetTargetList().GetNumTargets ();
+    return 0;
+}
 
 SBTarget
 SBDebugger::GetCurrentTarget ()
 {
-    SBTarget sb_target(Debugger::GetSharedInstance().GetTargetList().GetCurrentTarget ());
+    SBTarget sb_target;
+    if (m_opaque_sp)
+        sb_target.reset(m_opaque_sp->GetTargetList().GetCurrentTarget ());
     return sb_target;
 }
 
 void
 SBDebugger::DispatchInput (void *baton, const void *data, size_t data_len)
 {
-    Debugger::GetSharedInstance().DispatchInput ((const char *) data, data_len);
+    if (m_opaque_sp)
+        m_opaque_sp->DispatchInput ((const char *) data, data_len);
 }
 
 void
 SBDebugger::PushInputReader (SBInputReader &reader)
 {
-    if (reader.IsValid())
+    if (m_opaque_sp && reader.IsValid())
     {
         InputReaderSP reader_sp(*reader);
-        Debugger::GetSharedInstance().PushInputReader (reader_sp);
+        m_opaque_sp->PushInputReader (reader_sp);
     }
 }
+
+void
+SBDebugger::reset (const lldb::DebuggerSP &debugger_sp)
+{
+    m_opaque_sp = debugger_sp;
+}
+
+Debugger *
+SBDebugger::get () const
+{
+    return m_opaque_sp.get();
+}
+
+Debugger &
+SBDebugger::ref () const
+{
+    assert (m_opaque_sp.get());
+    return *m_opaque_sp;
+}
+
+
diff --git a/source/API/SBError.cpp b/source/API/SBError.cpp
index 0e00d58..e91c94d 100644
--- a/source/API/SBError.cpp
+++ b/source/API/SBError.cpp
@@ -16,15 +16,15 @@
 
 
 SBError::SBError () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBError::SBError (const SBError &rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
-        m_lldb_object_ap.reset (new Error(*rhs));
+        m_opaque_ap.reset (new Error(*rhs));
 }
 
 
@@ -37,14 +37,14 @@
 {
     if (rhs.IsValid())
     {
-        if (m_lldb_object_ap.get())
-            *m_lldb_object_ap = *rhs;
+        if (m_opaque_ap.get())
+            *m_opaque_ap = *rhs;
         else
-            m_lldb_object_ap.reset (new Error(*rhs));
+            m_opaque_ap.reset (new Error(*rhs));
     }
     else
     {
-        m_lldb_object_ap.reset();
+        m_opaque_ap.reset();
     }
     return *this;
 }
@@ -53,47 +53,47 @@
 const char *
 SBError::GetCString () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->AsCString();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->AsCString();
     return NULL;
 }
 
 void
 SBError::Clear ()
 {
-    if (m_lldb_object_ap.get())
-        m_lldb_object_ap->Clear();
+    if (m_opaque_ap.get())
+        m_opaque_ap->Clear();
 }
 
 bool
 SBError::Fail () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->Fail();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->Fail();
     return false;
 }
 
 bool
 SBError::Success () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->Success();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->Success();
     return false;
 }
 
 uint32_t
 SBError::GetError () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetError();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetError();
     return true;
 }
 
 ErrorType
 SBError::GetType () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetType();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetType();
     return eErrorTypeInvalid;
 }
 
@@ -101,14 +101,14 @@
 SBError::SetError (uint32_t err, ErrorType type)
 {
     CreateIfNeeded ();
-    m_lldb_object_ap->SetError (err, type);
+    m_opaque_ap->SetError (err, type);
 }
 
 void
 SBError::SetError (const Error &lldb_error)
 {
     CreateIfNeeded ();
-    *m_lldb_object_ap = lldb_error;
+    *m_opaque_ap = lldb_error;
 }
 
 
@@ -116,21 +116,21 @@
 SBError::SetErrorToErrno ()
 {
     CreateIfNeeded ();
-    m_lldb_object_ap->SetErrorToErrno ();
+    m_opaque_ap->SetErrorToErrno ();
 }
 
 void
 SBError::SetErrorToGenericError ()
 {
     CreateIfNeeded ();
-    m_lldb_object_ap->SetErrorToErrno ();
+    m_opaque_ap->SetErrorToErrno ();
 }
 
 void
 SBError::SetErrorString (const char *err_str)
 {
     CreateIfNeeded ();
-    m_lldb_object_ap->SetErrorString (err_str);
+    m_opaque_ap->SetErrorString (err_str);
 }
 
 int
@@ -139,7 +139,7 @@
     CreateIfNeeded ();
     va_list args;
     va_start (args, format);
-    int num_chars = m_lldb_object_ap->SetErrorStringWithVarArg (format, args);
+    int num_chars = m_opaque_ap->SetErrorStringWithVarArg (format, args);
     va_end (args);
     return num_chars;
 }
@@ -147,27 +147,27 @@
 bool
 SBError::IsValid () const
 {
-    return m_lldb_object_ap.get() != NULL;
+    return m_opaque_ap.get() != NULL;
 }
 
 void
 SBError::CreateIfNeeded ()
 {
-    if (m_lldb_object_ap.get() == NULL)
-        m_lldb_object_ap.reset(new Error ());
+    if (m_opaque_ap.get() == NULL)
+        m_opaque_ap.reset(new Error ());
 }
 
 
 lldb_private::Error *
 SBError::operator->()
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 lldb_private::Error *
 SBError::get()
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 
@@ -175,6 +175,6 @@
 SBError::operator*() const
 {
     // Be sure to call "IsValid()" before calling this function or it will crash
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
diff --git a/source/API/SBEvent.cpp b/source/API/SBEvent.cpp
index c082863..c04ee72 100644
--- a/source/API/SBEvent.cpp
+++ b/source/API/SBEvent.cpp
@@ -24,19 +24,19 @@
 
 SBEvent::SBEvent () :
     m_event_sp (),
-    m_lldb_object (NULL)
+    m_opaque (NULL)
 {
 }
 
 SBEvent::SBEvent (uint32_t event_type, const char *cstr, uint32_t cstr_len) :
     m_event_sp (new Event (event_type, new EventDataBytes (cstr, cstr_len))),
-    m_lldb_object (m_event_sp.get())
+    m_opaque (m_event_sp.get())
 {
 }
 
 SBEvent::SBEvent (EventSP &event_sp) :
     m_event_sp (event_sp),
-    m_lldb_object (event_sp.get())
+    m_opaque (event_sp.get())
 {
 }
 
@@ -47,7 +47,7 @@
 void
 SBEvent::Dump (FILE *f) const
 {
-    const Event *lldb_event = GetLLDBObjectPtr();
+    const Event *lldb_event = get();
     if (lldb_event)
     {
         StreamFile str(f);
@@ -58,7 +58,7 @@
 const char *
 SBEvent::GetDataFlavor ()
 {
-    Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+    Event *lldb_event = get();
     if (lldb_event)
         return lldb_event->GetData()->GetFlavor().AsCString();
     return NULL;
@@ -67,7 +67,7 @@
 uint32_t
 SBEvent::GetType () const
 {
-    const Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+    const Event *lldb_event = get();
     if (lldb_event)
         return lldb_event->GetType();
     return 0;
@@ -77,9 +77,9 @@
 SBEvent::GetBroadcaster () const
 {
     SBBroadcaster broadcaster;
-    const Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+    const Event *lldb_event = get();
     if (lldb_event)
-        broadcaster.SetLLDBObjectPtr (lldb_event->GetBroadcaster(), false);
+        broadcaster.reset (lldb_event->GetBroadcaster(), false);
     return broadcaster;
 }
 
@@ -88,9 +88,9 @@
 {
     if (broadcaster)
     {
-        Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+        Event *lldb_event = get();
         if (lldb_event)
-            return lldb_event->BroadcasterIs (broadcaster->GetLLDBObjectPtr ());
+            return lldb_event->BroadcasterIs (broadcaster->get());
     }
     return false;
 }
@@ -98,79 +98,66 @@
 bool
 SBEvent::BroadcasterMatchesRef (const SBBroadcaster &broadcaster)
 {
-    Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+    Event *lldb_event = get();
     if (lldb_event)
-        return lldb_event->BroadcasterIs (broadcaster.GetLLDBObjectPtr ());
+        return lldb_event->BroadcasterIs (broadcaster.get());
     return false;
 }
 
 void
 SBEvent::Clear()
 {
-    Event *lldb_event = SBEvent::GetLLDBObjectPtr();
+    Event *lldb_event = get();
     if (lldb_event)
         lldb_event->Clear();
 }
 
 EventSP &
-SBEvent::GetSharedPtr () const
+SBEvent::GetSP () const
 {
     return m_event_sp;
 }
 
 Event *
-SBEvent::GetLLDBObjectPtr ()
+SBEvent::get() const
 {
     // There is a dangerous accessor call GetSharedPtr which can be used, so if
     // we have anything valid in m_event_sp, we must use that since if it gets
     // used by a function that puts something in there, then it won't update
-    // m_lldb_object...
+    // m_opaque...
     if (m_event_sp)
-        m_lldb_object = m_event_sp.get();
+        m_opaque = m_event_sp.get();
 
-    return m_lldb_object;
-}
-
-const Event *
-SBEvent::GetLLDBObjectPtr () const
-{
-    // There is a dangerous accessor call GetSharedPtr which can be used, so if
-    // we have anything valid in m_event_sp, we must use that since if it gets
-    // used by a function that puts something in there, then it won't update
-    // m_lldb_object...
-    if (m_event_sp)
-        m_lldb_object = m_event_sp.get();
-
-    return m_lldb_object;
+    return m_opaque;
 }
 
 void
-SBEvent::SetEventSP (EventSP &event_sp)
+SBEvent::reset (EventSP &event_sp)
 {
     m_event_sp = event_sp;
-    m_lldb_object = m_event_sp.get();
+    m_opaque = m_event_sp.get();
 }
 
 void
-SBEvent::SetLLDBObjectPtr (Event* event_ptr)
+SBEvent::reset (Event* event_ptr)
 {
-    m_lldb_object = event_ptr;
+    m_opaque = event_ptr;
     m_event_sp.reset();
 }
 
 bool
 SBEvent::IsValid() const
 {
-    // Do NOT use m_lldb_object directly!!! Must use the SBEvent::GetLLDBObjectPtr()
-    // accessor. See comments in SBEvent::GetLLDBObjectPtr()....
-    return SBEvent::GetLLDBObjectPtr() != NULL;
+    // Do NOT use m_opaque directly!!! Must use the SBEvent::get()
+    // accessor. See comments in SBEvent::get()....
+    return SBEvent::get() != NULL;
 
 }
 
 const char *
 SBEvent::GetCStringFromEvent (const SBEvent &event)
 {
-    return reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.GetLLDBObjectPtr()));
+    return reinterpret_cast<const char *>(EventDataBytes::GetBytesFromEvent (event.get()));
 }
 
 
diff --git a/source/API/SBFileSpec.cpp b/source/API/SBFileSpec.cpp
index 48c7511..308e609 100644
--- a/source/API/SBFileSpec.cpp
+++ b/source/API/SBFileSpec.cpp
@@ -16,19 +16,19 @@
 
 
 SBFileSpec::SBFileSpec () :
-    m_lldb_object_ap()
+    m_opaque_ap()
 {
 }
 
 SBFileSpec::SBFileSpec (const SBFileSpec &rhs) :
-    m_lldb_object_ap()
+    m_opaque_ap()
 {
-    if (rhs.m_lldb_object_ap.get())
-        m_lldb_object_ap.reset (new FileSpec (*m_lldb_object_ap));
+    if (rhs.m_opaque_ap.get())
+        m_opaque_ap.reset (new FileSpec (*m_opaque_ap));
 }
 
 SBFileSpec::SBFileSpec (const char *path) :
-    m_lldb_object_ap(new FileSpec (path))
+    m_opaque_ap(new FileSpec (path))
 {
 }
 
@@ -42,7 +42,7 @@
     if (this != &rhs)
     {
         if (rhs.IsValid())
-            m_lldb_object_ap.reset (new lldb_private::FileSpec(*rhs.m_lldb_object_ap.get()));
+            m_opaque_ap.reset (new lldb_private::FileSpec(*rhs.m_opaque_ap.get()));
     }
     return *this;
 }
@@ -50,14 +50,14 @@
 bool
 SBFileSpec::IsValid() const
 {
-    return m_lldb_object_ap.get() != NULL;
+    return m_opaque_ap.get() != NULL;
 }
 
 bool
 SBFileSpec::Exists () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->Exists();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->Exists();
     return false;
 }
 
@@ -71,24 +71,24 @@
 const char *
 SBFileSpec::GetFileName() const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetFilename().AsCString();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetFilename().AsCString();
     return NULL;
 }
 
 const char *
 SBFileSpec::GetDirectory() const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetDirectory().AsCString();
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetDirectory().AsCString();
     return NULL;
 }
 
 uint32_t
 SBFileSpec::GetPath (char *dst_path, size_t dst_len) const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->GetPath (dst_path, dst_len);
+    if (m_opaque_ap.get())
+        return m_opaque_ap->GetPath (dst_path, dst_len);
 
     if (dst_path && dst_len)
         *dst_path = '\0';
@@ -99,35 +99,35 @@
 const lldb_private::FileSpec *
 SBFileSpec::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 const lldb_private::FileSpec *
 SBFileSpec::get() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 
 const lldb_private::FileSpec &
 SBFileSpec::operator*() const
 {
-    return *m_lldb_object_ap.get();
+    return *m_opaque_ap.get();
 }
 
 const lldb_private::FileSpec &
 SBFileSpec::ref() const
 {
-    return *m_lldb_object_ap.get();
+    return *m_opaque_ap.get();
 }
 
 
 void
 SBFileSpec::SetFileSpec (const lldb_private::FileSpec& fs)
 {
-    if (m_lldb_object_ap.get())
-        *m_lldb_object_ap = fs;
+    if (m_opaque_ap.get())
+        *m_opaque_ap = fs;
     else
-        m_lldb_object_ap.reset (new FileSpec (fs));
+        m_opaque_ap.reset (new FileSpec (fs));
 }
 
diff --git a/source/API/SBFrame.cpp b/source/API/SBFrame.cpp
index c379532..cd9b4cd 100644
--- a/source/API/SBFrame.cpp
+++ b/source/API/SBFrame.cpp
@@ -41,12 +41,12 @@
 using namespace lldb_private;
 
 SBFrame::SBFrame () :
-    m_lldb_object_sp ()
+    m_opaque_sp ()
 {
 }
 
 SBFrame::SBFrame (const lldb::StackFrameSP &lldb_object_sp) :
-    m_lldb_object_sp (lldb_object_sp)
+    m_opaque_sp (lldb_object_sp)
 {
 }
 
@@ -58,65 +58,65 @@
 void
 SBFrame::SetFrame (const lldb::StackFrameSP &lldb_object_sp)
 {
-    m_lldb_object_sp = lldb_object_sp;
+    m_opaque_sp = lldb_object_sp;
 }
 
 
 bool
 SBFrame::IsValid() const
 {
-    return (m_lldb_object_sp.get() != NULL);
+    return (m_opaque_sp.get() != NULL);
 }
 
 SBSymbolContext
 SBFrame::GetSymbolContext (uint32_t resolve_scope) const
 {
     SBSymbolContext sb_sym_ctx;
-    if (m_lldb_object_sp)
-        sb_sym_ctx.SetSymbolContext(&m_lldb_object_sp->GetSymbolContext (resolve_scope));
+    if (m_opaque_sp)
+        sb_sym_ctx.SetSymbolContext(&m_opaque_sp->GetSymbolContext (resolve_scope));
     return sb_sym_ctx;
 }
 
 SBModule
 SBFrame::GetModule () const
 {
-    SBModule sb_module (m_lldb_object_sp->GetSymbolContext (eSymbolContextModule).module_sp);
+    SBModule sb_module (m_opaque_sp->GetSymbolContext (eSymbolContextModule).module_sp);
     return sb_module;
 }
 
 SBCompileUnit
 SBFrame::GetCompileUnit () const
 {
-    SBCompileUnit sb_comp_unit(m_lldb_object_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit);
+    SBCompileUnit sb_comp_unit(m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit);
     return sb_comp_unit;
 }
 
 SBFunction
 SBFrame::GetFunction () const
 {
-    SBFunction sb_function(m_lldb_object_sp->GetSymbolContext (eSymbolContextFunction).function);
+    SBFunction sb_function(m_opaque_sp->GetSymbolContext (eSymbolContextFunction).function);
     return sb_function;
 }
 
 SBBlock
 SBFrame::GetBlock () const
 {
-    SBBlock sb_block(m_lldb_object_sp->GetSymbolContext (eSymbolContextBlock).block);
+    SBBlock sb_block(m_opaque_sp->GetSymbolContext (eSymbolContextBlock).block);
     return sb_block;
 }
 
 SBLineEntry
 SBFrame::GetLineEntry () const
 {
-    SBLineEntry sb_line_entry(&m_lldb_object_sp->GetSymbolContext (eSymbolContextLineEntry).line_entry);
+    SBLineEntry sb_line_entry(&m_opaque_sp->GetSymbolContext (eSymbolContextLineEntry).line_entry);
     return sb_line_entry;
 }
 
 uint32_t
 SBFrame::GetFrameID () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetID();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetID();
     else
         return UINT32_MAX;
 }
@@ -125,24 +125,24 @@
 lldb::addr_t
 SBFrame::GetPC () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetPC().GetLoadAddress (&m_lldb_object_sp->GetThread().GetProcess());
+    if (m_opaque_sp)
+        return m_opaque_sp->GetPC().GetLoadAddress (&m_opaque_sp->GetThread().GetProcess());
     return LLDB_INVALID_ADDRESS;
 }
 
 bool
 SBFrame::SetPC (lldb::addr_t new_pc)
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetRegisterContext()->SetPC (new_pc);
+    if (m_opaque_sp)
+        return m_opaque_sp->GetRegisterContext()->SetPC (new_pc);
     return false;
 }
 
 lldb::addr_t
 SBFrame::GetSP () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetRegisterContext()->GetSP();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetRegisterContext()->GetSP();
     return LLDB_INVALID_ADDRESS;
 }
 
@@ -150,8 +150,8 @@
 lldb::addr_t
 SBFrame::GetFP () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetRegisterContext()->GetFP();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetRegisterContext()->GetFP();
     return LLDB_INVALID_ADDRESS;
 }
 
@@ -160,15 +160,15 @@
 SBFrame::GetPCAddress () const
 {
     SBAddress sb_addr;
-    if (m_lldb_object_sp)
-        sb_addr.SetAddress (&m_lldb_object_sp->GetPC());
+    if (m_opaque_sp)
+        sb_addr.SetAddress (&m_opaque_sp->GetPC());
     return sb_addr;
 }
 
 void
 SBFrame::Clear()
 {
-    m_lldb_object_sp.reset();
+    m_opaque_sp.reset();
 }
 
 SBValue
@@ -250,40 +250,40 @@
 bool
 SBFrame::operator == (const SBFrame &rhs) const
 {
-    return m_lldb_object_sp.get() == rhs.m_lldb_object_sp.get();
+    return m_opaque_sp.get() == rhs.m_opaque_sp.get();
 }
 
 bool
 SBFrame::operator != (const SBFrame &rhs) const
 {
-    return m_lldb_object_sp.get() != rhs.m_lldb_object_sp.get();
+    return m_opaque_sp.get() != rhs.m_opaque_sp.get();
 }
 
 lldb_private::StackFrame *
 SBFrame::operator->() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb_private::StackFrame *
 SBFrame::get() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 
 SBThread
 SBFrame::GetThread () const
 {
-    SBThread sb_thread (m_lldb_object_sp->GetThread().GetSP());
+    SBThread sb_thread (m_opaque_sp->GetThread().GetSP());
     return sb_thread;
 }
 
 const char *
 SBFrame::Disassemble () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->Disassemble();
+    if (m_opaque_sp)
+        return m_opaque_sp->Disassemble();
     return NULL;
 }
 
@@ -292,7 +292,7 @@
 lldb_private::StackFrame *
 SBFrame::GetLLDBObjectPtr ()
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 SBValueList
@@ -302,10 +302,10 @@
                        bool in_scope_only)
 {
     SBValueList value_list;
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         size_t i;
-        VariableList *variable_list = m_lldb_object_sp->GetVariableList();
+        VariableList *variable_list = m_opaque_sp->GetVariableList();
         if (variable_list)
         {
             const size_t num_variables = variable_list->GetSize();
@@ -334,7 +334,7 @@
                         }
                         if (add_variable)
                         {
-                            if (in_scope_only && !variable_sp->IsInScope(m_lldb_object_sp.get()))
+                            if (in_scope_only && !variable_sp->IsInScope(m_opaque_sp.get()))
                                 continue;
 
                             value_list.Append(ValueObjectSP (new ValueObjectVariable (variable_sp)));
@@ -346,7 +346,7 @@
         
         if (statics)
         {
-            CompileUnit *frame_comp_unit = m_lldb_object_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit;
+            CompileUnit *frame_comp_unit = m_opaque_sp->GetSymbolContext (eSymbolContextCompUnit).comp_unit;
             
             if (frame_comp_unit)
             {
@@ -377,9 +377,9 @@
 SBFrame::GetRegisters ()
 {
     SBValueList value_list;
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
-        RegisterContext *reg_ctx = m_lldb_object_sp->GetRegisterContext();
+        RegisterContext *reg_ctx = m_opaque_sp->GetRegisterContext();
         if (reg_ctx)
         {
             const uint32_t num_sets = reg_ctx->GetRegisterSetCount();
diff --git a/source/API/SBFunction.cpp b/source/API/SBFunction.cpp
index 010a5ec..c4beff1 100644
--- a/source/API/SBFunction.cpp
+++ b/source/API/SBFunction.cpp
@@ -15,50 +15,50 @@
 
 
 SBFunction::SBFunction () :
-    m_lldb_object_ptr (NULL)
+    m_opaque_ptr (NULL)
 {
 }
 
 SBFunction::SBFunction (lldb_private::Function *lldb_object_ptr) :
-    m_lldb_object_ptr (lldb_object_ptr)
+    m_opaque_ptr (lldb_object_ptr)
 {
 }
 
 SBFunction::~SBFunction ()
 {
-    m_lldb_object_ptr = NULL;
+    m_opaque_ptr = NULL;
 }
 
 bool
 SBFunction::IsValid () const
 {
-    return m_lldb_object_ptr != NULL;
+    return m_opaque_ptr != NULL;
 }
 
 const char *
 SBFunction::GetName() const
 {
-    if (m_lldb_object_ptr)
-        return m_lldb_object_ptr->GetMangled().GetName().AsCString();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->GetMangled().GetName().AsCString();
     return NULL;
 }
 
 const char *
 SBFunction::GetMangledName () const
 {
-    if (m_lldb_object_ptr)
-        return m_lldb_object_ptr->GetMangled().GetMangledName().AsCString();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->GetMangled().GetMangledName().AsCString();
     return NULL;
 }
 
 bool
 SBFunction::operator == (const SBFunction &rhs) const
 {
-    return m_lldb_object_ptr == rhs.m_lldb_object_ptr;
+    return m_opaque_ptr == rhs.m_opaque_ptr;
 }
 
 bool
 SBFunction::operator != (const SBFunction &rhs) const
 {
-    return m_lldb_object_ptr != rhs.m_lldb_object_ptr;
+    return m_opaque_ptr != rhs.m_opaque_ptr;
 }
diff --git a/source/API/SBInputReader.cpp b/source/API/SBInputReader.cpp
index 022d732..4d1c7b9 100644
--- a/source/API/SBInputReader.cpp
+++ b/source/API/SBInputReader.cpp
@@ -10,8 +10,9 @@
 
 #include "lldb/lldb-enumerations.h"
 
-#include "lldb/API/SBInputReader.h"
+#include "lldb/API/SBDebugger.h"
 #include "lldb/API/SBError.h"
+#include "lldb/API/SBInputReader.h"
 #include "lldb/API/SBStringList.h"
 #include "lldb/Core/InputReader.h"
 
@@ -20,7 +21,7 @@
 using namespace lldb_private;
 
 SBInputReader::SBInputReader ()  :
-    m_reader_sp (),
+    m_opaque_sp (),
     m_callback_function (NULL),
     m_callback_baton (NULL)
 
@@ -28,12 +29,12 @@
 }
 
 SBInputReader::SBInputReader (const lldb::InputReaderSP &reader_sp) :
-    m_reader_sp (reader_sp)
+    m_opaque_sp (reader_sp)
 {
 }
 
 SBInputReader::SBInputReader (const SBInputReader &rhs) :
-    m_reader_sp (rhs.m_reader_sp)
+    m_opaque_sp (rhs.m_opaque_sp)
 {
 }
 
@@ -45,7 +46,7 @@
 SBInputReader::PrivateCallback 
 (
     void *baton, 
-    InputReader *reader, 
+    InputReader &reader, 
     lldb::InputReaderAction notification,
     const char *bytes, 
     size_t bytes_len
@@ -62,6 +63,7 @@
 SBError
 SBInputReader::Initialize 
 (
+    SBDebugger &debugger,
     Callback callback_function,
     void *callback_baton,
     lldb::InputReaderGranularity granularity,
@@ -71,14 +73,14 @@
 )
 {
     SBError sb_error;
-    m_reader_sp.reset (new InputReader ());
+    m_opaque_sp.reset (new InputReader (debugger.ref()));
     
     m_callback_function = callback_function;
     m_callback_baton = callback_baton;
 
-    if (m_reader_sp)
+    if (m_opaque_sp)
     {
-        sb_error.SetError (m_reader_sp->Initialize (SBInputReader::PrivateCallback,
+        sb_error.SetError (m_opaque_sp->Initialize (SBInputReader::PrivateCallback,
                                                     this,
                                                     granularity,
                                                     end_token,
@@ -88,7 +90,7 @@
 
     if (sb_error.Fail())
     {
-        m_reader_sp.reset ();
+        m_opaque_sp.reset ();
         m_callback_function = NULL;
         m_callback_baton = NULL;
     }
@@ -99,46 +101,53 @@
 bool
 SBInputReader::IsValid () const
 {
-    return (m_reader_sp.get() != NULL);
+    return (m_opaque_sp.get() != NULL);
 }
 
 const SBInputReader &
 SBInputReader::operator = (const SBInputReader &rhs)
 {
     if (this != &rhs)
-        m_reader_sp = rhs.m_reader_sp;
+        m_opaque_sp = rhs.m_opaque_sp;
     return *this;
 }
 
-lldb_private::InputReader *
+InputReader *
 SBInputReader::operator->() const
 {
-    return m_reader_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb::InputReaderSP &
 SBInputReader::operator *()
 {
-    return m_reader_sp;
+    return m_opaque_sp;
 }
 
 const lldb::InputReaderSP &
 SBInputReader::operator *() const
 {
-    return m_reader_sp;
+    return m_opaque_sp;
 }
 
-lldb_private::InputReader *
+InputReader *
 SBInputReader::get() const
 {
-    return m_reader_sp.get();
+    return m_opaque_sp.get();
+}
+
+InputReader &
+SBInputReader::ref() const
+{
+    assert (m_opaque_sp.get());
+    return *m_opaque_sp;
 }
 
 bool
 SBInputReader::IsDone () const
 {
-    if (m_reader_sp)
-        return m_reader_sp->IsDone();
+    if (m_opaque_sp)
+        return m_opaque_sp->IsDone();
     else
         return true;
 }
@@ -146,15 +155,15 @@
 void
 SBInputReader::SetIsDone (bool value)
 {
-    if (m_reader_sp)
-        m_reader_sp->SetIsDone (value);
+    if (m_opaque_sp)
+        m_opaque_sp->SetIsDone (value);
 }
 
 bool
 SBInputReader::IsActive () const
 {
-    if (m_reader_sp)
-        return m_reader_sp->IsActive();
+    if (m_opaque_sp)
+        return m_opaque_sp->IsActive();
     else
         return false;
 }
@@ -162,8 +171,8 @@
 InputReaderGranularity
 SBInputReader::GetGranularity ()
 {
-    if (m_reader_sp)
-        return m_reader_sp->GetGranularity();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetGranularity();
     else
         return eInputReaderGranularityInvalid;
 }
diff --git a/source/API/SBInstruction.cpp b/source/API/SBInstruction.cpp
index 564fda0..181b6b0 100644
--- a/source/API/SBInstruction.cpp
+++ b/source/API/SBInstruction.cpp
@@ -15,7 +15,7 @@
 using namespace lldb_private;
 
 //SBInstruction::SBInstruction (lldb_private::Disassembler::Instruction *lldb_insn) :
-//    m_lldb_object_sp (lldb_insn);
+//    m_opaque_sp (lldb_insn);
 //{
 //}
 
@@ -30,7 +30,7 @@
 //bool
 //SBInstruction::IsValid()
 //{
-//    return (m_lldb_object_sp.get() != NULL);
+//    return (m_opaque_sp.get() != NULL);
 //}
 
 //size_t
@@ -38,7 +38,7 @@
 //{
 //    if (IsValid())
 //    {
-//        return m_lldb_object_sp->GetByteSize();
+//        return m_opaque_sp->GetByteSize();
 //    }
 //    return 0;
 //}
@@ -48,7 +48,7 @@
 //{
 //    if (IsValid ())
 //    {
-//        m_lldb_object_sp->SetByteSize (byte_size);
+//        m_opaque_sp->SetByteSize (byte_size);
 //    }
 //}
 
@@ -57,7 +57,7 @@
 //{
 //    if (IsValid ())
 //    {
-//        return m_lldb_object_sp->DoesBranch ();
+//        return m_opaque_sp->DoesBranch ();
 //    }
 //    return false;
 //}
@@ -70,5 +70,5 @@
 
     //StreamFile out_strem (out);
 
-    //m_lldb_object_sp->Dump (out, LLDB_INVALID_ADDRESS, NULL, 0);
+    //m_opaque_sp->Dump (out, LLDB_INVALID_ADDRESS, NULL, 0);
 }
diff --git a/source/API/SBLineEntry.cpp b/source/API/SBLineEntry.cpp
index 4835400..a35f94a 100644
--- a/source/API/SBLineEntry.cpp
+++ b/source/API/SBLineEntry.cpp
@@ -14,26 +14,26 @@
 
 
 SBLineEntry::SBLineEntry () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBLineEntry::SBLineEntry (const SBLineEntry &rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
     {
-        m_lldb_object_ap.reset (new lldb_private::LineEntry (*rhs));
+        m_opaque_ap.reset (new lldb_private::LineEntry (*rhs));
     }
 }
 
 
 
 SBLineEntry::SBLineEntry (const lldb_private::LineEntry *lldb_object_ptr) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (lldb_object_ptr)
-        m_lldb_object_ap.reset (new lldb_private::LineEntry(*lldb_object_ptr));
+        m_opaque_ap.reset (new lldb_private::LineEntry(*lldb_object_ptr));
 }
 
 const SBLineEntry &
@@ -42,7 +42,7 @@
     if (this != &rhs)
     {
         if (rhs.IsValid())
-            m_lldb_object_ap.reset (new lldb_private::LineEntry(*rhs));
+            m_opaque_ap.reset (new lldb_private::LineEntry(*rhs));
     }
     return *this;
 }
@@ -50,10 +50,10 @@
 void
 SBLineEntry::SetLineEntry (const lldb_private::LineEntry &lldb_object_ref)
 {
-    if (m_lldb_object_ap.get())
-        (*m_lldb_object_ap.get()) = lldb_object_ref;
+    if (m_opaque_ap.get())
+        (*m_opaque_ap.get()) = lldb_object_ref;
     else
-        m_lldb_object_ap.reset (new lldb_private::LineEntry (lldb_object_ref));
+        m_opaque_ap.reset (new lldb_private::LineEntry (lldb_object_ref));
 }
 
 
@@ -66,8 +66,8 @@
 SBLineEntry::GetStartAddress () const
 {
     SBAddress sb_address;
-    if (m_lldb_object_ap.get())
-        sb_address.SetAddress(&m_lldb_object_ap->range.GetBaseAddress());
+    if (m_opaque_ap.get())
+        sb_address.SetAddress(&m_opaque_ap->range.GetBaseAddress());
     return sb_address;
 }
 
@@ -75,10 +75,10 @@
 SBLineEntry::GetEndAddress () const
 {
     SBAddress sb_address;
-    if (m_lldb_object_ap.get())
+    if (m_opaque_ap.get())
     {
-        sb_address.SetAddress(&m_lldb_object_ap->range.GetBaseAddress());
-        sb_address.OffsetAddress(m_lldb_object_ap->range.GetByteSize());
+        sb_address.SetAddress(&m_opaque_ap->range.GetBaseAddress());
+        sb_address.OffsetAddress(m_opaque_ap->range.GetByteSize());
     }
     return sb_address;
 }
@@ -86,7 +86,7 @@
 bool
 SBLineEntry::IsValid () const
 {
-    return m_lldb_object_ap.get() != NULL;
+    return m_opaque_ap.get() != NULL;
 }
 
 
@@ -94,16 +94,16 @@
 SBLineEntry::GetFileSpec () const
 {
     SBFileSpec sb_file_spec;
-    if (m_lldb_object_ap.get() && m_lldb_object_ap->file)
-        sb_file_spec.SetFileSpec(m_lldb_object_ap->file);
+    if (m_opaque_ap.get() && m_opaque_ap->file)
+        sb_file_spec.SetFileSpec(m_opaque_ap->file);
     return sb_file_spec;
 }
 
 uint32_t
 SBLineEntry::GetLine () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->line;
+    if (m_opaque_ap.get())
+        return m_opaque_ap->line;
     return 0;
 }
 
@@ -111,16 +111,16 @@
 uint32_t
 SBLineEntry::GetColumn () const
 {
-    if (m_lldb_object_ap.get())
-        return m_lldb_object_ap->column;
+    if (m_opaque_ap.get())
+        return m_opaque_ap->column;
     return 0;
 }
 
 bool
 SBLineEntry::operator == (const SBLineEntry &rhs) const
 {
-    lldb_private::LineEntry *lhs_ptr = m_lldb_object_ap.get();
-    lldb_private::LineEntry *rhs_ptr = rhs.m_lldb_object_ap.get();
+    lldb_private::LineEntry *lhs_ptr = m_opaque_ap.get();
+    lldb_private::LineEntry *rhs_ptr = rhs.m_opaque_ap.get();
 
     if (lhs_ptr && rhs_ptr)
         return lldb_private::LineEntry::Compare (*lhs_ptr, *rhs_ptr) == 0;
@@ -131,8 +131,8 @@
 bool
 SBLineEntry::operator != (const SBLineEntry &rhs) const
 {
-    lldb_private::LineEntry *lhs_ptr = m_lldb_object_ap.get();
-    lldb_private::LineEntry *rhs_ptr = rhs.m_lldb_object_ap.get();
+    lldb_private::LineEntry *lhs_ptr = m_opaque_ap.get();
+    lldb_private::LineEntry *rhs_ptr = rhs.m_opaque_ap.get();
 
     if (lhs_ptr && rhs_ptr)
         return lldb_private::LineEntry::Compare (*lhs_ptr, *rhs_ptr) != 0;
@@ -143,13 +143,13 @@
 const lldb_private::LineEntry *
 SBLineEntry::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 const lldb_private::LineEntry &
 SBLineEntry::operator*() const
 {
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
 
diff --git a/source/API/SBListener.cpp b/source/API/SBListener.cpp
index 0652610..3e2f212 100644
--- a/source/API/SBListener.cpp
+++ b/source/API/SBListener.cpp
@@ -19,30 +19,32 @@
 using namespace lldb_private;
 
 
-SBListener::SBListener ()
+SBListener::SBListener () :
+    m_opaque_ptr (NULL),
+    m_opaque_ptr_owned (false)
 {
 }
 
 SBListener::SBListener (const char *name) :
-    m_lldb_object_ptr (new Listener (name)),
-    m_lldb_object_ptr_owned (true)
+    m_opaque_ptr (new Listener (name)),
+    m_opaque_ptr_owned (true)
 {
 }
 
 SBListener::SBListener (Listener &listener) :
-    m_lldb_object_ptr (&listener),
-    m_lldb_object_ptr_owned (false)
+    m_opaque_ptr (&listener),
+    m_opaque_ptr_owned (false)
 {
 }
 
 SBListener::~SBListener ()
 {
-    if (m_lldb_object_ptr_owned)
+    if (m_opaque_ptr_owned)
     {
-        if (m_lldb_object_ptr)
+        if (m_opaque_ptr)
         {
-            delete m_lldb_object_ptr;
-            m_lldb_object_ptr = NULL;
+            delete m_opaque_ptr;
+            m_opaque_ptr = NULL;
         }
     }
 }
@@ -50,30 +52,30 @@
 bool
 SBListener::IsValid() const
 {
-    return m_lldb_object_ptr != NULL;
+    return m_opaque_ptr != NULL;
 }
 
 void
 SBListener::AddEvent (const SBEvent &event)
 {
-    EventSP &event_sp = event.GetSharedPtr ();
+    EventSP &event_sp = event.GetSP ();
     if (event_sp)
-        m_lldb_object_ptr->AddEvent (event_sp);
+        m_opaque_ptr->AddEvent (event_sp);
 }
 
 void
 SBListener::Clear ()
 {
-    if (IsValid())
-        m_lldb_object_ptr->Clear ();
+    if (m_opaque_ptr)
+        m_opaque_ptr->Clear ();
 }
 
 uint32_t
 SBListener::StartListeningForEvents (const SBBroadcaster& broadcaster, uint32_t event_mask)
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
-        return m_lldb_object_ptr->StartListeningForEvents (broadcaster.GetLLDBObjectPtr (), event_mask);
+        return m_opaque_ptr->StartListeningForEvents (broadcaster.get(), event_mask);
     }
     return false;
 }
@@ -81,9 +83,9 @@
 bool
 SBListener::StopListeningForEvents (const SBBroadcaster& broadcaster, uint32_t event_mask)
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
-        return m_lldb_object_ptr->StopListeningForEvents (broadcaster.GetLLDBObjectPtr (), event_mask);
+        return m_opaque_ptr->StopListeningForEvents (broadcaster.get(), event_mask);
     }
     return false;
 }
@@ -91,7 +93,7 @@
 bool
 SBListener::WaitForEvent (uint32_t num_seconds, SBEvent &event)
 {
-    if (IsValid())
+    if (m_opaque_ptr)
     {
         TimeValue time_value;
         if (num_seconds != UINT32_MAX)
@@ -101,13 +103,13 @@
             time_value.OffsetWithSeconds (num_seconds);
         }
         EventSP event_sp;
-        if (m_lldb_object_ptr->WaitForEvent (time_value.IsValid() ? &time_value : NULL, event_sp))
+        if (m_opaque_ptr->WaitForEvent (time_value.IsValid() ? &time_value : NULL, event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
@@ -119,7 +121,7 @@
     SBEvent &event
 )
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
         TimeValue time_value;
         if (num_seconds != UINT32_MAX)
@@ -128,16 +130,16 @@
             time_value.OffsetWithSeconds (num_seconds);
         }
         EventSP event_sp;
-        if (m_lldb_object_ptr->WaitForEventForBroadcaster (time_value.IsValid() ? &time_value : NULL,
-                                                         broadcaster.GetLLDBObjectPtr (),
+        if (m_opaque_ptr->WaitForEventForBroadcaster (time_value.IsValid() ? &time_value : NULL,
+                                                         broadcaster.get(),
                                                          event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
 
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
@@ -150,7 +152,7 @@
     SBEvent &event
 )
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
         TimeValue time_value;
         if (num_seconds != UINT32_MAX)
@@ -159,40 +161,40 @@
             time_value.OffsetWithSeconds (num_seconds);
         }
         EventSP event_sp;
-        if (m_lldb_object_ptr->WaitForEventForBroadcasterWithType (time_value.IsValid() ? &time_value : NULL,
-                                                                 broadcaster.GetLLDBObjectPtr (),
-                                                                 event_type_mask,
-                                                                 event_sp))
+        if (m_opaque_ptr->WaitForEventForBroadcasterWithType (time_value.IsValid() ? &time_value : NULL,
+                                                              broadcaster.get(),
+                                                              event_type_mask,
+                                                              event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
 bool
 SBListener::PeekAtNextEvent (SBEvent &event)
 {
-    if (m_lldb_object_ptr)
+    if (m_opaque_ptr)
     {
-        event.SetLLDBObjectPtr (m_lldb_object_ptr->PeekAtNextEvent ());
+        event.reset (m_opaque_ptr->PeekAtNextEvent ());
         return event.IsValid();
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
 bool
 SBListener::PeekAtNextEventForBroadcaster (const SBBroadcaster &broadcaster, SBEvent &event)
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
-        event.SetLLDBObjectPtr (m_lldb_object_ptr->PeekAtNextEventForBroadcaster (broadcaster.GetLLDBObjectPtr ()));
+        event.reset (m_opaque_ptr->PeekAtNextEventForBroadcaster (broadcaster.get()));
         return event.IsValid();
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
@@ -200,44 +202,44 @@
 SBListener::PeekAtNextEventForBroadcasterWithType (const SBBroadcaster &broadcaster, uint32_t event_type_mask,
                                                    SBEvent &event)
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
-        event.SetLLDBObjectPtr(m_lldb_object_ptr->PeekAtNextEventForBroadcasterWithType (broadcaster.GetLLDBObjectPtr (), event_type_mask));
+        event.reset(m_opaque_ptr->PeekAtNextEventForBroadcasterWithType (broadcaster.get(), event_type_mask));
         return event.IsValid();
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
 bool
 SBListener::GetNextEvent (SBEvent &event)
 {
-    if (m_lldb_object_ptr)
+    if (m_opaque_ptr)
     {
         EventSP event_sp;
-        if (m_lldb_object_ptr->GetNextEvent (event_sp))
+        if (m_opaque_ptr->GetNextEvent (event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
 bool
 SBListener::GetNextEventForBroadcaster (const SBBroadcaster &broadcaster, SBEvent &event)
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
         EventSP event_sp;
-        if (m_lldb_object_ptr->GetNextEventForBroadcaster (broadcaster.GetLLDBObjectPtr (), event_sp))
+        if (m_opaque_ptr->GetNextEventForBroadcaster (broadcaster.get(), event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
@@ -249,51 +251,61 @@
     SBEvent &event
 )
 {
-    if (IsValid() && broadcaster.IsValid())
+    if (m_opaque_ptr && broadcaster.IsValid())
     {
         EventSP event_sp;
-        if (m_lldb_object_ptr->GetNextEventForBroadcasterWithType (broadcaster.GetLLDBObjectPtr (),
-                                                                 event_type_mask,
-                                                                 event_sp))
+        if (m_opaque_ptr->GetNextEventForBroadcasterWithType (broadcaster.get(),
+                                                              event_type_mask,
+                                                              event_sp))
         {
-            event.SetEventSP (event_sp);
+            event.reset (event_sp);
             return true;
         }
     }
-    event.SetLLDBObjectPtr (NULL);
+    event.reset (NULL);
     return false;
 }
 
 bool
 SBListener::HandleBroadcastEvent (const SBEvent &event)
 {
-    if (m_lldb_object_ptr)
-        return m_lldb_object_ptr->HandleBroadcastEvent (event.GetSharedPtr());
+    if (m_opaque_ptr)
+        return m_opaque_ptr->HandleBroadcastEvent (event.GetSP());
     return false;
 }
 
-lldb_private::Listener *
+Listener *
 SBListener::operator->() const
 {
-    return m_lldb_object_ptr;
+    return m_opaque_ptr;
 }
 
-lldb_private::Listener *
+Listener *
 SBListener::get() const
 {
-    return m_lldb_object_ptr;
+    return m_opaque_ptr;
 }
 
-lldb_private::Listener &
+void
+SBListener::reset(Listener *listener, bool transfer_ownership)
+{
+    if (m_opaque_ptr_owned && m_opaque_ptr)
+        delete m_opaque_ptr;
+    m_opaque_ptr_owned = transfer_ownership;
+    m_opaque_ptr = listener;
+}
+
+
+Listener &
 SBListener::operator *()
 {
-    return *m_lldb_object_ptr;
+    return *m_opaque_ptr;
 }
 
-const lldb_private::Listener &
+const Listener &
 SBListener::operator *() const
 {
-    return *m_lldb_object_ptr;
+    return *m_opaque_ptr;
 }
 
 
diff --git a/source/API/SBModule.cpp b/source/API/SBModule.cpp
index 6a54c21..011197a 100644
--- a/source/API/SBModule.cpp
+++ b/source/API/SBModule.cpp
@@ -15,12 +15,12 @@
 
 
 SBModule::SBModule () :
-    m_lldb_object_sp ()
+    m_opaque_sp ()
 {
 }
 
 SBModule::SBModule (const lldb::ModuleSP& module_sp) :
-    m_lldb_object_sp (module_sp)
+    m_opaque_sp (module_sp)
 {
 }
 
@@ -31,23 +31,23 @@
 bool
 SBModule::IsValid () const
 {
-    return m_lldb_object_sp.get() != NULL;
+    return m_opaque_sp.get() != NULL;
 }
 
 SBFileSpec
 SBModule::GetFileSpec () const
 {
     SBFileSpec file_spec;
-    if (m_lldb_object_sp)
-        file_spec.SetFileSpec(m_lldb_object_sp->GetFileSpec());
+    if (m_opaque_sp)
+        file_spec.SetFileSpec(m_opaque_sp->GetFileSpec());
     return file_spec;
 }
 
 const uint8_t *
 SBModule::GetUUIDBytes () const
 {
-    if (m_lldb_object_sp)
-        return (const uint8_t *)m_lldb_object_sp->GetUUID().GetBytes();
+    if (m_opaque_sp)
+        return (const uint8_t *)m_opaque_sp->GetUUID().GetBytes();
     return NULL;
 }
 
@@ -55,53 +55,53 @@
 bool
 SBModule::operator == (const SBModule &rhs) const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp.get() == rhs.m_lldb_object_sp.get();
+    if (m_opaque_sp)
+        return m_opaque_sp.get() == rhs.m_opaque_sp.get();
     return false;
 }
 
 bool
 SBModule::operator != (const SBModule &rhs) const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp.get() != rhs.m_lldb_object_sp.get();
+    if (m_opaque_sp)
+        return m_opaque_sp.get() != rhs.m_opaque_sp.get();
     return false;
 }
 
 lldb::ModuleSP &
 SBModule::operator *()
 {
-    return m_lldb_object_sp;
+    return m_opaque_sp;
 }
 
 lldb_private::Module *
 SBModule::operator ->()
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 const lldb_private::Module *
 SBModule::operator ->() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb_private::Module *
 SBModule::get()
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 const lldb_private::Module *
 SBModule::get() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 
 void
 SBModule::SetModule (const lldb::ModuleSP& module_sp)
 {
-    m_lldb_object_sp = module_sp;
+    m_opaque_sp = module_sp;
 }
 
diff --git a/source/API/SBProcess.cpp b/source/API/SBProcess.cpp
index a646e4b..7db5591 100644
--- a/source/API/SBProcess.cpp
+++ b/source/API/SBProcess.cpp
@@ -19,8 +19,9 @@
 #include "lldb/Core/Stream.h"
 #include "lldb/Core/StreamFile.h"
 #include "lldb/Target/Process.h"
-#include "lldb/Target/Thread.h"
 #include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
 
 // Project includes
 
@@ -37,7 +38,7 @@
 
 
 SBProcess::SBProcess () :
-    m_lldb_object_sp()
+    m_opaque_sp()
 {
 }
 
@@ -47,13 +48,13 @@
 //----------------------------------------------------------------------
 
 SBProcess::SBProcess (const SBProcess& rhs) :
-    m_lldb_object_sp (rhs.m_lldb_object_sp)
+    m_opaque_sp (rhs.m_opaque_sp)
 {
 }
 
 
 SBProcess::SBProcess (const lldb::ProcessSP &process_sp) :
-    m_lldb_object_sp (process_sp)
+    m_opaque_sp (process_sp)
 {
 }
 
@@ -67,30 +68,30 @@
 void
 SBProcess::SetProcess (const ProcessSP &process_sp)
 {
-    m_lldb_object_sp = process_sp;
+    m_opaque_sp = process_sp;
 }
 
 void
 SBProcess::Clear ()
 {
-    m_lldb_object_sp.reset();
+    m_opaque_sp.reset();
 }
 
 
 bool
 SBProcess::IsValid() const
 {
-    return m_lldb_object_sp.get() != NULL;
+    return m_opaque_sp.get() != NULL;
 }
 
 
 uint32_t
 SBProcess::GetNumThreads ()
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         const bool can_update = true;
-        return m_lldb_object_sp->GetThreadList().GetSize(can_update);
+        return m_opaque_sp->GetThreadList().GetSize(can_update);
     }
     return 0;
 }
@@ -99,8 +100,8 @@
 SBProcess::GetCurrentThread () const
 {
     SBThread sb_thread;
-    if (m_lldb_object_sp)
-        sb_thread.SetThread (m_lldb_object_sp->GetThreadList().GetCurrentThread());
+    if (m_opaque_sp)
+        sb_thread.SetThread (m_opaque_sp->GetThreadList().GetCurrentThread());
     return sb_thread;
 }
 
@@ -108,8 +109,8 @@
 SBProcess::GetTarget() const
 {
     SBTarget sb_target;
-    if (m_lldb_object_sp)
-        sb_target = SBDebugger::FindTargetWithLLDBProcess (m_lldb_object_sp);
+    if (m_opaque_sp)
+        sb_target = m_opaque_sp->GetTarget().GetSP();
     return sb_target;
 }
 
@@ -117,10 +118,10 @@
 size_t
 SBProcess::PutSTDIN (const char *src, size_t src_len)
 {
-    if (m_lldb_object_sp != NULL)
+    if (m_opaque_sp != NULL)
     {
         Error error;
-        return m_lldb_object_sp->PutSTDIN (src, src_len, error);
+        return m_opaque_sp->PutSTDIN (src, src_len, error);
     }
     else
         return 0;
@@ -129,10 +130,10 @@
 size_t
 SBProcess::GetSTDOUT (char *dst, size_t dst_len) const
 {
-    if (m_lldb_object_sp != NULL)
+    if (m_opaque_sp != NULL)
     {
         Error error;
-        return m_lldb_object_sp->GetSTDOUT (dst, dst_len, error);
+        return m_opaque_sp->GetSTDOUT (dst, dst_len, error);
     }
     else
         return 0;
@@ -141,10 +142,10 @@
 size_t
 SBProcess::GetSTDERR (char *dst, size_t dst_len) const
 {
-    if (m_lldb_object_sp != NULL)
+    if (m_opaque_sp != NULL)
     {
         Error error;
-        return m_lldb_object_sp->GetSTDERR (dst, dst_len, error);
+        return m_opaque_sp->GetSTDERR (dst, dst_len, error);
     }
     else
         return 0;
@@ -156,14 +157,14 @@
     if (out == NULL)
         return;
 
-    if (m_lldb_object_sp != NULL)
+    if (m_opaque_sp != NULL)
     {
         const StateType event_state = SBProcess::GetStateFromEvent (event);
         char message[1024];
         int message_len = ::snprintf (message,
                                       sizeof (message),
                                       "Process %d %s\n",
-                                      m_lldb_object_sp->GetID(),
+                                      m_opaque_sp->GetID(),
                                       SBDebugger::StateAsCString (event_state));
 
         if (message_len > 0)
@@ -174,14 +175,14 @@
 void
 SBProcess::AppendCurrentStateReport (const SBEvent &event, SBCommandReturnObject &result)
 {
-    if (m_lldb_object_sp != NULL)
+    if (m_opaque_sp != NULL)
     {
         const StateType event_state = SBProcess::GetStateFromEvent (event);
         char message[1024];
         ::snprintf (message,
                     sizeof (message),
                     "Process %d %s\n",
-                    m_lldb_object_sp->GetID(),
+                    m_opaque_sp->GetID(),
                     SBDebugger::StateAsCString (event_state));
 
         result.AppendMessage (message);
@@ -191,16 +192,16 @@
 bool
 SBProcess::SetCurrentThread (const SBThread &thread)
 {
-    if (m_lldb_object_sp != NULL)
-        return m_lldb_object_sp->GetThreadList().SetCurrentThreadByID (thread.GetThreadID());
+    if (m_opaque_sp != NULL)
+        return m_opaque_sp->GetThreadList().SetCurrentThreadByID (thread.GetThreadID());
     return false;
 }
 
 bool
 SBProcess::SetCurrentThreadByID (uint32_t tid)
 {
-    if (m_lldb_object_sp != NULL)
-        return m_lldb_object_sp->GetThreadList().SetCurrentThreadByID (tid);
+    if (m_opaque_sp != NULL)
+        return m_opaque_sp->GetThreadList().SetCurrentThreadByID (tid);
     return false;
 }
 
@@ -208,16 +209,16 @@
 SBProcess::GetThreadAtIndex (size_t index)
 {
     SBThread thread;
-    if (m_lldb_object_sp)
-        thread.SetThread (m_lldb_object_sp->GetThreadList().GetThreadAtIndex(index));
+    if (m_opaque_sp)
+        thread.SetThread (m_opaque_sp->GetThreadList().GetThreadAtIndex(index));
     return thread;
 }
 
 StateType
 SBProcess::GetState ()
 {
-    if (m_lldb_object_sp != NULL)
-        return m_lldb_object_sp->GetState();
+    if (m_opaque_sp != NULL)
+        return m_opaque_sp->GetState();
     else
         return eStateInvalid;
 }
@@ -226,8 +227,8 @@
 int
 SBProcess::GetExitStatus ()
 {
-    if (m_lldb_object_sp != NULL)
-        return m_lldb_object_sp->GetExitStatus ();
+    if (m_opaque_sp != NULL)
+        return m_opaque_sp->GetExitStatus ();
     else
         return 0;
 }
@@ -235,8 +236,8 @@
 const char *
 SBProcess::GetExitDescription ()
 {
-    if (m_lldb_object_sp != NULL)
-        return m_lldb_object_sp->GetExitDescription ();
+    if (m_opaque_sp != NULL)
+        return m_opaque_sp->GetExitDescription ();
     else
         return NULL;
 }
@@ -244,8 +245,8 @@
 lldb::pid_t
 SBProcess::GetProcessID ()
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetID();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetID();
     else
         return LLDB_INVALID_PROCESS_ID;
 }
@@ -253,85 +254,12 @@
 uint32_t
 SBProcess::GetAddressByteSize () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetAddressByteSize();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetAddressByteSize();
     else
         return 0;
 }
 
-
-void
-SBProcess::DisplayThreadsInfo (FILE *out, FILE *err, bool only_threads_with_stop_reason)
-{
-    if (m_lldb_object_sp != NULL)
-    {
-        size_t num_thread_infos_dumped = 0;
-        size_t num_threads = GetNumThreads();
-
-        if (out == NULL)
-            out = SBDebugger::GetOutputFileHandle();
-
-        if (err == NULL)
-            err = SBDebugger::GetErrorFileHandle();
-
-        if ((out == NULL) ||(err == NULL))
-            return;
-
-        if (num_threads > 0)
-        {
-            Thread::StopInfo thread_stop_info;
-            SBThread curr_thread (m_lldb_object_sp->GetThreadList().GetCurrentThread());
-            for (int i = 0; i < num_threads; ++i)
-            {
-                SBThread thread (m_lldb_object_sp->GetThreadList().GetThreadAtIndex(i));
-                if (thread.IsValid())
-                {
-                    bool is_current_thread = false;
-                    StreamFile str (out);
-                    if (thread == curr_thread)
-                        is_current_thread = true;
-                    StopReason thread_stop_reason = eStopReasonNone;
-                    if (thread->GetStopInfo (&thread_stop_info))
-                    {
-                        thread_stop_reason = thread_stop_info.GetStopReason();
-                        if (thread_stop_reason == eStopReasonNone)
-                        {
-                            if (only_threads_with_stop_reason && !is_current_thread)
-                                continue;
-                        }
-                    }
-                    ++num_thread_infos_dumped;
-                    fprintf (out, "  %c thread #%u: tid = 0x%4.4x, pc = 0x%16.16llx",
-                             (is_current_thread ? '*' : ' '),
-                             thread->GetIndexID(), thread->GetID(), thread->GetRegisterContext()->GetPC());
-
-                    StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0));
-                    if (frame_sp)
-                    {
-                        SymbolContext sc (frame_sp->GetSymbolContext (eSymbolContextEverything));
-                        fprintf (out, ", where = ");
-                        sc.DumpStopContext (&str, m_lldb_object_sp.get(), frame_sp->GetPC ());
-                    }
-
-                    if (thread_stop_reason != eStopReasonNone)
-                    {
-                        fprintf (out, ", stop reason = ");
-                        thread_stop_info.Dump (&str);
-                    }
-
-                    const char *thread_name = thread->GetName();
-                    if (thread_name && thread_name[0])
-                        fprintf (out, ", thread_name = '%s'", thread_name);
-
-                    fprintf (out, "\n");
-
-                    SBThread sb_thread (thread);
-                    sb_thread.DisplayFramesForCurrentContext (out, err, 0, 1, false, 1);
-                }
-            }
-        }
-    }
-}
 bool
 SBProcess::WaitUntilProcessHasStopped (SBCommandReturnObject &result)
 {
@@ -340,11 +268,11 @@
     if (IsValid())
     {
         EventSP event_sp;
-        StateType state = m_lldb_object_sp->WaitForStateChangedEvents (NULL, event_sp);
+        StateType state = m_opaque_sp->WaitForStateChangedEvents (NULL, event_sp);
 
         while (StateIsStoppedState (state))
         {
-            state = m_lldb_object_sp->WaitForStateChangedEvents (NULL, event_sp);
+            state = m_opaque_sp->WaitForStateChangedEvents (NULL, event_sp);
             SBEvent event (event_sp);
             AppendCurrentStateReport (event, result);
             state_changed = true;
@@ -358,7 +286,7 @@
 {
     SBError sb_error;
     if (IsValid())
-        sb_error.SetError(m_lldb_object_sp->Resume());
+        sb_error.SetError(m_opaque_sp->Resume());
     else
         sb_error.SetErrorString ("SBProcess is invalid");
 
@@ -370,8 +298,8 @@
 SBProcess::Destroy ()
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError(m_lldb_object_sp->Destroy());
+    if (m_opaque_sp)
+        sb_error.SetError(m_opaque_sp->Destroy());
     else
         sb_error.SetErrorString ("SBProcess is invalid");
 
@@ -384,7 +312,7 @@
 {
     SBError sb_error;
     if (IsValid())
-        sb_error.SetError (m_lldb_object_sp->Halt());
+        sb_error.SetError (m_opaque_sp->Halt());
     else
         sb_error.SetErrorString ("SBProcess is invalid");
     return sb_error;
@@ -394,8 +322,8 @@
 SBProcess::Kill ()
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError (m_lldb_object_sp->Destroy());
+    if (m_opaque_sp)
+        sb_error.SetError (m_opaque_sp->Destroy());
     else
         sb_error.SetErrorString ("SBProcess is invalid");
     return sb_error;
@@ -406,8 +334,8 @@
 SBProcess::AttachByName (const char *name, bool wait_for_launch)
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError (m_lldb_object_sp->Attach (name, wait_for_launch));
+    if (m_opaque_sp)
+        sb_error.SetError (m_opaque_sp->Attach (name, wait_for_launch));
     else
         sb_error.SetErrorString ("SBProcess is invalid");
     return sb_error;
@@ -425,8 +353,8 @@
 SBProcess::Attach (lldb::pid_t attach_pid)
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError  (m_lldb_object_sp->Attach (attach_pid));
+    if (m_opaque_sp)
+        sb_error.SetError  (m_opaque_sp->Attach (attach_pid));
     else
         sb_error.SetErrorString ("SBProcess is invalid");
     return sb_error;
@@ -436,8 +364,8 @@
 SBProcess::Detach ()
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError (m_lldb_object_sp->Detach());
+    if (m_opaque_sp)
+        sb_error.SetError (m_opaque_sp->Detach());
     else
         sb_error.SetErrorString ("SBProcess is invalid");    
 
@@ -448,102 +376,38 @@
 SBProcess::Signal (int signal)
 {
     SBError sb_error;
-    if (m_lldb_object_sp)
-        sb_error.SetError (m_lldb_object_sp->Signal (signal));
+    if (m_opaque_sp)
+        sb_error.SetError (m_opaque_sp->Signal (signal));
     else
         sb_error.SetErrorString ("SBProcess is invalid");    
     return sb_error;
 }
 
-void
-SBProcess::ListThreads ()
-{    
-    FILE *out = SBDebugger::GetOutputFileHandle();
-    if (out == NULL)
-        return;
-
-    if (m_lldb_object_sp)
-    {
-        size_t num_threads = GetNumThreads ();
-        if (num_threads > 0)
-        {
-            Thread *cur_thread = m_lldb_object_sp->GetThreadList().GetCurrentThread().get();
-            for (int i = 0; i < num_threads; ++i)
-            {
-                Thread *thread = m_lldb_object_sp->GetThreadList().GetThreadAtIndex(i).get();
-                if (thread)
-                {
-                    bool is_current_thread = false;
-                    if (thread == cur_thread)
-                        is_current_thread = true;
-                    fprintf (out, "  [%u] %c tid = 0x%4.4x, pc = 0x%16.16llx",
-                             i,
-                             (is_current_thread ? '*' : ' '),
-                             thread->GetID(),
-                             thread->GetRegisterContext()->GetPC());
-                    const char *thread_name = thread->GetName();
-                    if (thread_name && thread_name[0])
-                        fprintf (out, ", name = %s", thread_name);
-                    const char *queue_name = thread->GetQueueName();
-                    if (queue_name && queue_name[0])
-                        fprintf (out, ", queue = %s", queue_name);
-                    fprintf (out, "\n");
-                }
-            }
-        }
-    }
-}
-
 SBThread
 SBProcess::GetThreadByID (tid_t sb_thread_id)
 {
     SBThread thread;
-    if (m_lldb_object_sp)
-        thread.SetThread (m_lldb_object_sp->GetThreadList().FindThreadByID ((tid_t) sb_thread_id));
+    if (m_opaque_sp)
+        thread.SetThread (m_opaque_sp->GetThreadList().FindThreadByID ((tid_t) sb_thread_id));
     return thread;
 }
 
-void
-SBProcess::Backtrace (bool all_threads, uint32_t num_frames)
-{
-    if (m_lldb_object_sp)
-    {
-        if (!all_threads)
-        {
-            SBDebugger::UpdateCurrentThread (*this);
-            SBThread cur_thread = GetCurrentThread();
-            if (cur_thread.IsValid())
-              cur_thread.Backtrace (num_frames);
-        }
-        else
-        {
-            int num_threads = GetNumThreads ();
-            for (int i = 0; i < num_threads; ++i)
-            {
-                SBThread sb_thread = GetThreadAtIndex (i);
-                sb_thread.Backtrace (num_frames);
-            }
-        }
-    }
-}
-
 StateType
 SBProcess::GetStateFromEvent (const SBEvent &event)
 {
-    return Process::ProcessEventData::GetStateFromEvent (event.GetLLDBObjectPtr());
+    return Process::ProcessEventData::GetStateFromEvent (event.get());
 }
 
-
 bool
 SBProcess::GetRestartedFromEvent (const SBEvent &event)
 {
-    return Process::ProcessEventData::GetRestartedFromEvent (event.GetLLDBObjectPtr());
+    return Process::ProcessEventData::GetRestartedFromEvent (event.get());
 }
 
 SBProcess
 SBProcess::GetProcessFromEvent (const SBEvent &event)
 {
-    SBProcess process(Process::ProcessEventData::GetProcessFromEvent (event.GetLLDBObjectPtr()));
+    SBProcess process(Process::ProcessEventData::GetProcessFromEvent (event.get()));
     return process;
 }
 
@@ -551,14 +415,14 @@
 SBBroadcaster
 SBProcess::GetBroadcaster () const
 {
-    SBBroadcaster broadcaster(m_lldb_object_sp.get(), false);
+    SBBroadcaster broadcaster(m_opaque_sp.get(), false);
     return broadcaster;
 }
 
 lldb_private::Process *
 SBProcess::operator->() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 size_t
@@ -569,7 +433,7 @@
     if (IsValid())
     {
         Error error;
-        bytes_read = m_lldb_object_sp->ReadMemory (addr, dst, dst_len, error);
+        bytes_read = m_opaque_sp->ReadMemory (addr, dst, dst_len, error);
         sb_error.SetError (error);
     }
     else
@@ -588,7 +452,7 @@
     if (IsValid())
     {
         Error error;
-        bytes_written = m_lldb_object_sp->WriteMemory (addr, src, src_len, error);
+        bytes_written = m_opaque_sp->WriteMemory (addr, src, src_len, error);
         sb_error.SetError (error);
     }
 
@@ -599,6 +463,6 @@
 lldb_private::Process *
 SBProcess::get() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
diff --git a/source/API/SBSourceManager.cpp b/source/API/SBSourceManager.cpp
index c8a0874..701665e 100644
--- a/source/API/SBSourceManager.cpp
+++ b/source/API/SBSourceManager.cpp
@@ -21,7 +21,7 @@
 
 
 SBSourceManager::SBSourceManager (SourceManager& source_manager) :
-    m_source_manager (source_manager)
+    m_opaque_ref (source_manager)
 {
 }
 
@@ -48,12 +48,12 @@
         StreamFile str (f);
 
 
-        return m_source_manager.DisplaySourceLinesWithLineNumbers (*file,
-                                                                   line,
-                                                                   context_before,
-                                                                   context_after,
-                                                                   current_line_cstr,
-                                                                   &str);
+        return m_opaque_ref.DisplaySourceLinesWithLineNumbers (*file,
+                                                               line,
+                                                               context_before,
+                                                               context_after,
+                                                               current_line_cstr,
+                                                               &str);
     }
     return 0;
 }
@@ -61,5 +61,5 @@
 SourceManager &
 SBSourceManager::GetLLDBManager ()
 {
-    return m_source_manager;
+    return m_opaque_ref;
 }
diff --git a/source/API/SBStringList.cpp b/source/API/SBStringList.cpp
index b4cfb9b..f152000 100644
--- a/source/API/SBStringList.cpp
+++ b/source/API/SBStringList.cpp
@@ -15,22 +15,22 @@
 using namespace lldb_private;
 
 SBStringList::SBStringList () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBStringList::SBStringList (const lldb_private::StringList *lldb_strings_ptr) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (lldb_strings_ptr)
-        m_lldb_object_ap.reset (new lldb_private::StringList (*lldb_strings_ptr));
+        m_opaque_ap.reset (new lldb_private::StringList (*lldb_strings_ptr));
 }
 
 SBStringList::SBStringList (const SBStringList  &rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
-        m_lldb_object_ap.reset (new lldb_private::StringList(*rhs));
+        m_opaque_ap.reset (new lldb_private::StringList(*rhs));
 }
 
 
@@ -44,7 +44,7 @@
 SBStringList::operator = (const SBStringList &rhs)
 {
     if (rhs.IsValid())
-        m_lldb_object_ap.reset (new lldb_private::StringList(*rhs));
+        m_opaque_ap.reset (new lldb_private::StringList(*rhs));
 
     return *this;
 }
@@ -52,19 +52,19 @@
 const lldb_private::StringList *
 SBStringList::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 const lldb_private::StringList &
 SBStringList::operator*() const
 {
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
 bool
 SBStringList::IsValid() const
 {
-    return (m_lldb_object_ap.get() != NULL);
+    return (m_opaque_ap.get() != NULL);
 }
 
 void
@@ -73,9 +73,9 @@
     if (str != NULL)
     {
         if (IsValid())
-            m_lldb_object_ap->AppendString (str);
+            m_opaque_ap->AppendString (str);
         else
-            m_lldb_object_ap.reset (new lldb_private::StringList (str));
+            m_opaque_ap.reset (new lldb_private::StringList (str));
     }
 
 }
@@ -87,9 +87,9 @@
         && (strc > 0))
     {
         if (IsValid())
-            m_lldb_object_ap->AppendList (strv, strc);
+            m_opaque_ap->AppendList (strv, strc);
         else
-            m_lldb_object_ap.reset (new lldb_private::StringList (strv, strc));
+            m_opaque_ap.reset (new lldb_private::StringList (strv, strc));
     }
 }
 
@@ -99,8 +99,8 @@
     if (strings.IsValid())
     {
         if (! IsValid())
-            m_lldb_object_ap.reset (new lldb_private::StringList());
-        m_lldb_object_ap->AppendList (*(strings.m_lldb_object_ap));
+            m_opaque_ap.reset (new lldb_private::StringList());
+        m_opaque_ap->AppendList (*(strings.m_opaque_ap));
     }
 }
 
@@ -109,7 +109,7 @@
 {
     if (IsValid())
     {
-        return m_lldb_object_ap->GetSize();
+        return m_opaque_ap->GetSize();
     }
     return 0;
 }
@@ -119,7 +119,7 @@
 {
     if (IsValid())
     {
-        return m_lldb_object_ap->GetStringAtIndex (idx);
+        return m_opaque_ap->GetStringAtIndex (idx);
     }
     return NULL;
 }
@@ -129,6 +129,6 @@
 {
     if (IsValid())
     {
-        m_lldb_object_ap->Clear();
+        m_opaque_ap->Clear();
     }
 }
diff --git a/source/API/SBSymbol.cpp b/source/API/SBSymbol.cpp
index 8500c8b..502efaa 100644
--- a/source/API/SBSymbol.cpp
+++ b/source/API/SBSymbol.cpp
@@ -14,39 +14,39 @@
 
 
 SBSymbol::SBSymbol () :
-    m_lldb_object_ptr (NULL)
+    m_opaque_ptr (NULL)
 {
 }
 
 SBSymbol::SBSymbol (lldb_private::Symbol *lldb_object_ptr) :
-    m_lldb_object_ptr (lldb_object_ptr)
+    m_opaque_ptr (lldb_object_ptr)
 {
 }
 
 SBSymbol::~SBSymbol ()
 {
-    m_lldb_object_ptr = NULL;
+    m_opaque_ptr = NULL;
 }
 
 bool
 SBSymbol::IsValid () const
 {
-    return m_lldb_object_ptr != NULL;
+    return m_opaque_ptr != NULL;
 }
 
 const char *
 SBSymbol::GetName() const
 {
-    if (m_lldb_object_ptr)
-        return m_lldb_object_ptr->GetMangled().GetName().AsCString();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->GetMangled().GetName().AsCString();
     return NULL;
 }
 
 const char *
 SBSymbol::GetMangledName () const
 {
-    if (m_lldb_object_ptr)
-        return m_lldb_object_ptr->GetMangled().GetMangledName().AsCString();
+    if (m_opaque_ptr)
+        return m_opaque_ptr->GetMangled().GetMangledName().AsCString();
     return NULL;
 }
 
@@ -54,11 +54,11 @@
 bool
 SBSymbol::operator == (const SBSymbol &rhs) const
 {
-    return m_lldb_object_ptr == rhs.m_lldb_object_ptr;
+    return m_opaque_ptr == rhs.m_opaque_ptr;
 }
 
 bool
 SBSymbol::operator != (const SBSymbol &rhs) const
 {
-    return m_lldb_object_ptr != rhs.m_lldb_object_ptr;
+    return m_opaque_ptr != rhs.m_opaque_ptr;
 }
diff --git a/source/API/SBSymbolContext.cpp b/source/API/SBSymbolContext.cpp
index dec8529..d192569 100644
--- a/source/API/SBSymbolContext.cpp
+++ b/source/API/SBSymbolContext.cpp
@@ -16,22 +16,22 @@
 
 
 SBSymbolContext::SBSymbolContext () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBSymbolContext::SBSymbolContext (const SymbolContext *sc_ptr) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (sc_ptr)
-        m_lldb_object_ap.reset (new SymbolContext (*sc_ptr));
+        m_opaque_ap.reset (new SymbolContext (*sc_ptr));
 }
 
 SBSymbolContext::SBSymbolContext (const SBSymbolContext& rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
-        *m_lldb_object_ap = *rhs.m_lldb_object_ap;
+        *m_opaque_ap = *rhs.m_opaque_ap;
 }
 
 SBSymbolContext::~SBSymbolContext ()
@@ -44,7 +44,7 @@
     if (this != &rhs)
     {
         if (rhs.IsValid())
-            m_lldb_object_ap.reset (new lldb_private::SymbolContext(*rhs.m_lldb_object_ap.get()));
+            m_opaque_ap.reset (new lldb_private::SymbolContext(*rhs.m_opaque_ap.get()));
     }
     return *this;
 }
@@ -54,22 +54,22 @@
 {
     if (sc_ptr)
     {
-        if (m_lldb_object_ap.get())
-            *m_lldb_object_ap = *sc_ptr;
+        if (m_opaque_ap.get())
+            *m_opaque_ap = *sc_ptr;
         else
-            m_lldb_object_ap.reset (new SymbolContext (*sc_ptr));
+            m_opaque_ap.reset (new SymbolContext (*sc_ptr));
     }
     else
     {
-        if (m_lldb_object_ap.get())
-            m_lldb_object_ap->Clear();
+        if (m_opaque_ap.get())
+            m_opaque_ap->Clear();
     }
 }
 
 bool
 SBSymbolContext::IsValid () const
 {
-    return m_lldb_object_ap.get() != NULL;
+    return m_opaque_ap.get() != NULL;
 }
 
 
@@ -78,35 +78,35 @@
 SBSymbolContext::GetModule ()
 {
     SBModule sb_module;
-    if (m_lldb_object_ap.get())
-        sb_module.SetModule(m_lldb_object_ap->module_sp);
+    if (m_opaque_ap.get())
+        sb_module.SetModule(m_opaque_ap->module_sp);
     return sb_module;
 }
 
 SBCompileUnit
 SBSymbolContext::GetCompileUnit ()
 {
-    return SBCompileUnit (m_lldb_object_ap.get() ? m_lldb_object_ap->comp_unit : NULL);
+    return SBCompileUnit (m_opaque_ap.get() ? m_opaque_ap->comp_unit : NULL);
 }
 
 SBFunction
 SBSymbolContext::GetFunction ()
 {
-    return SBFunction (m_lldb_object_ap.get() ? m_lldb_object_ap->function : NULL);
+    return SBFunction (m_opaque_ap.get() ? m_opaque_ap->function : NULL);
 }
 
 SBBlock
 SBSymbolContext::GetBlock ()
 {
-    return SBBlock (m_lldb_object_ap.get() ? m_lldb_object_ap->block : NULL);
+    return SBBlock (m_opaque_ap.get() ? m_opaque_ap->block : NULL);
 }
 
 SBLineEntry
 SBSymbolContext::GetLineEntry ()
 {
     SBLineEntry sb_line_entry;
-    if (m_lldb_object_ap.get())
-        sb_line_entry.SetLineEntry (m_lldb_object_ap->line_entry);
+    if (m_opaque_ap.get())
+        sb_line_entry.SetLineEntry (m_opaque_ap->line_entry);
 
     return sb_line_entry;
 }
@@ -114,19 +114,19 @@
 SBSymbol
 SBSymbolContext::GetSymbol ()
 {
-    return SBSymbol (m_lldb_object_ap.get() ? m_lldb_object_ap->symbol : NULL);
+    return SBSymbol (m_opaque_ap.get() ? m_opaque_ap->symbol : NULL);
 }
 
 lldb_private::SymbolContext*
 SBSymbolContext::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 lldb_private::SymbolContext *
 SBSymbolContext::GetLLDBObjectPtr() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 
diff --git a/source/API/SBTarget.cpp b/source/API/SBTarget.cpp
index 3fba69e..ff08689 100644
--- a/source/API/SBTarget.cpp
+++ b/source/API/SBTarget.cpp
@@ -53,12 +53,12 @@
 }
 
 SBTarget::SBTarget (const SBTarget& rhs) :
-    m_target_sp (rhs.m_target_sp)
+    m_opaque_sp (rhs.m_opaque_sp)
 {
 }
 
 SBTarget::SBTarget(const TargetSP& target_sp) :
-    m_target_sp (target_sp)
+    m_opaque_sp (target_sp)
 {
 }
 
@@ -67,7 +67,7 @@
 {
     if (this != &rhs)
     {
-        m_target_sp = rhs.m_target_sp;
+        m_opaque_sp = rhs.m_opaque_sp;
     }
     return *this;
 }
@@ -83,28 +83,37 @@
 bool
 SBTarget::IsValid () const
 {
-    return m_target_sp.get() != NULL;
+    return m_opaque_sp.get() != NULL;
 }
 
 SBProcess
 SBTarget::GetProcess ()
 {
     SBProcess sb_process;
-    if (IsValid())
-        sb_process.SetProcess (m_target_sp->GetProcessSP());
+    if (m_opaque_sp)
+        sb_process.SetProcess (m_opaque_sp->GetProcessSP());
     return sb_process;
 }
 
+SBDebugger
+SBTarget::GetDebugger () const
+{
+    SBDebugger debugger;
+    if (m_opaque_sp)
+        debugger.reset (m_opaque_sp->GetDebugger().GetSP());
+    return debugger;
+}
+
 SBProcess
 SBTarget::CreateProcess ()
 {
     SBProcess sb_process;
 
-    if (IsValid())
+    if (m_opaque_sp)
     {
-        SBListener sb_listener = SBDebugger::GetListener();
+        SBListener sb_listener (m_opaque_sp->GetDebugger().GetListener());
         if (sb_listener.IsValid())
-            sb_process.SetProcess (m_target_sp->CreateProcess (*sb_listener));
+            sb_process.SetProcess (m_opaque_sp->CreateProcess (*sb_listener));
     }
     return sb_process;
 }
@@ -141,9 +150,9 @@
 SBTarget::GetExecutable ()
 {
     SBFileSpec exe_file_spec;
-    if (IsValid())
+    if (m_opaque_sp)
     {
-        ModuleSP exe_module_sp (m_target_sp->GetExecutableModule ());
+        ModuleSP exe_module_sp (m_opaque_sp->GetExecutableModule ());
         if (exe_module_sp)
             exe_file_spec.SetFileSpec (exe_module_sp->GetFileSpec());
     }
@@ -154,8 +163,8 @@
 bool
 SBTarget::DeleteTargetFromList (TargetList *list)
 {
-    if (IsValid())
-        return list->DeleteTarget (m_target_sp);
+    if (m_opaque_sp)
+        return list->DeleteTarget (m_opaque_sp);
     else
         return false;
 }
@@ -163,9 +172,9 @@
 bool
 SBTarget::MakeCurrentTarget ()
 {
-    if (IsValid())
+    if (m_opaque_sp)
     {
-        Debugger::GetSharedInstance().GetTargetList().SetCurrentTarget (m_target_sp.get());
+        m_opaque_sp->GetDebugger().GetTargetList().SetCurrentTarget (m_opaque_sp.get());
         return true;
     }
     return false;
@@ -174,24 +183,31 @@
 bool
 SBTarget::operator == (const SBTarget &rhs) const
 {
-    return m_target_sp.get() == rhs.m_target_sp.get();
+    return m_opaque_sp.get() == rhs.m_opaque_sp.get();
 }
 
 bool
 SBTarget::operator != (const SBTarget &rhs) const
 {
-    return m_target_sp.get() != rhs.m_target_sp.get();
+    return m_opaque_sp.get() != rhs.m_opaque_sp.get();
 }
 
 lldb_private::Target *
-SBTarget::GetLLDBObjectPtr()
+SBTarget::operator ->() const
 {
-    return m_target_sp.get();
+    return m_opaque_sp.get();
 }
-const lldb_private::Target *
-SBTarget::GetLLDBObjectPtr() const
+
+lldb_private::Target *
+SBTarget::get() const
 {
-    return m_target_sp.get();
+    return m_opaque_sp.get();
+}
+
+void
+SBTarget::reset (const lldb::TargetSP& target_sp)
+{
+    m_opaque_sp = target_sp;
 }
 
 SBBreakpoint
@@ -207,8 +223,8 @@
 SBTarget::BreakpointCreateByLocation (const SBFileSpec &sb_file_spec, uint32_t line)
 {
     SBBreakpoint sb_bp;
-    if (m_target_sp.get() && line != 0)
-        *sb_bp = m_target_sp->CreateBreakpoint (NULL, *sb_file_spec, line, true, false);
+    if (m_opaque_sp.get() && line != 0)
+        *sb_bp = m_opaque_sp->CreateBreakpoint (NULL, *sb_file_spec, line, true, false);
     return sb_bp;
 }
 
@@ -216,16 +232,16 @@
 SBTarget::BreakpointCreateByName (const char *symbol_name, const char *module_name)
 {
     SBBreakpoint sb_bp;
-    if (m_target_sp.get() && symbol_name && symbol_name[0])
+    if (m_opaque_sp.get() && symbol_name && symbol_name[0])
     {
         if (module_name && module_name[0])
         {
             FileSpec module_file_spec(module_name);
-            *sb_bp = m_target_sp->CreateBreakpoint (&module_file_spec, symbol_name, false);
+            *sb_bp = m_opaque_sp->CreateBreakpoint (&module_file_spec, symbol_name, false);
         }
         else
         {
-            *sb_bp = m_target_sp->CreateBreakpoint (NULL, symbol_name, false);
+            *sb_bp = m_opaque_sp->CreateBreakpoint (NULL, symbol_name, false);
         }
     }
     return sb_bp;
@@ -235,7 +251,7 @@
 SBTarget::BreakpointCreateByRegex (const char *symbol_name_regex, const char *module_name)
 {
     SBBreakpoint sb_bp;
-    if (m_target_sp.get() && symbol_name_regex && symbol_name_regex[0])
+    if (m_opaque_sp.get() && symbol_name_regex && symbol_name_regex[0])
     {
         RegularExpression regexp(symbol_name_regex);
         
@@ -243,11 +259,11 @@
         {
             FileSpec module_file_spec(module_name);
             
-            *sb_bp = m_target_sp->CreateBreakpoint (&module_file_spec, regexp, false);
+            *sb_bp = m_opaque_sp->CreateBreakpoint (&module_file_spec, regexp, false);
         }
         else
         {
-            *sb_bp = m_target_sp->CreateBreakpoint (NULL, regexp, false);
+            *sb_bp = m_opaque_sp->CreateBreakpoint (NULL, regexp, false);
         }
     }
     return sb_bp;
@@ -259,22 +275,22 @@
 SBTarget::BreakpointCreateByAddress (addr_t address)
 {
     SBBreakpoint sb_bp;
-    if (m_target_sp.get())
-        *sb_bp = m_target_sp->CreateBreakpoint (address, false);
+    if (m_opaque_sp.get())
+        *sb_bp = m_opaque_sp->CreateBreakpoint (address, false);
     return sb_bp;
 }
 
 void
 SBTarget::ListAllBreakpoints ()
 {
-    FILE *out_file = SBDebugger::GetOutputFileHandle();
+    FILE *out_file = m_opaque_sp->GetDebugger().GetOutputFileHandle();
     
     if (out_file == NULL)
         return;
 
-    if (IsValid())
+    if (m_opaque_sp)
     {
-        const BreakpointList &bp_list = m_target_sp->GetBreakpointList();
+        const BreakpointList &bp_list = m_opaque_sp->GetBreakpointList();
         size_t num_bps = bp_list.GetSize();
         for (int i = 0; i < num_bps; ++i)
         {
@@ -288,8 +304,8 @@
 SBTarget::FindBreakpointByID (break_id_t bp_id)
 {
     SBBreakpoint sb_breakpoint;
-    if (m_target_sp && bp_id != LLDB_INVALID_BREAK_ID)
-        *sb_breakpoint = m_target_sp->GetBreakpointByID (bp_id);
+    if (m_opaque_sp && bp_id != LLDB_INVALID_BREAK_ID)
+        *sb_breakpoint = m_opaque_sp->GetBreakpointByID (bp_id);
     return sb_breakpoint;
 }
 
@@ -297,17 +313,17 @@
 bool
 SBTarget::BreakpointDelete (break_id_t bp_id)
 {
-    if (m_target_sp)
-        return m_target_sp->RemoveBreakpointByID (bp_id);
+    if (m_opaque_sp)
+        return m_opaque_sp->RemoveBreakpointByID (bp_id);
     return false;
 }
 
 bool
 SBTarget::EnableAllBreakpoints ()
 {
-    if (m_target_sp)
+    if (m_opaque_sp)
     {
-        m_target_sp->EnableAllBreakpoints ();
+        m_opaque_sp->EnableAllBreakpoints ();
         return true;
     }
     return false;
@@ -316,9 +332,9 @@
 bool
 SBTarget::DisableAllBreakpoints ()
 {
-    if (m_target_sp)
+    if (m_opaque_sp)
     {
-        m_target_sp->DisableAllBreakpoints ();
+        m_opaque_sp->DisableAllBreakpoints ();
         return true;
     }
     return false;
@@ -327,9 +343,9 @@
 bool
 SBTarget::DeleteAllBreakpoints ()
 {
-    if (m_target_sp)
+    if (m_opaque_sp)
     {
-        m_target_sp->RemoveAllBreakpoints ();
+        m_opaque_sp->RemoveAllBreakpoints ();
         return true;
     }
     return false;
@@ -339,8 +355,8 @@
 uint32_t
 SBTarget::GetNumModules () const
 {
-    if (m_target_sp)
-        return m_target_sp->GetImages().GetSize();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetImages().GetSize();
     return 0;
 }
 
@@ -348,8 +364,8 @@
 SBTarget::FindModule (const SBFileSpec &sb_file_spec)
 {
     SBModule sb_module;
-    if (m_target_sp && sb_file_spec.IsValid())
-        sb_module.SetModule (m_target_sp->GetImages().FindFirstModuleForFileSpec (*sb_file_spec, NULL));
+    if (m_opaque_sp && sb_file_spec.IsValid())
+        sb_module.SetModule (m_opaque_sp->GetImages().FindFirstModuleForFileSpec (*sb_file_spec, NULL));
     return sb_module;
 }
 
@@ -357,8 +373,8 @@
 SBTarget::GetModuleAtIndex (uint32_t idx)
 {
     SBModule sb_module;
-    if (m_target_sp)
-        sb_module.SetModule(m_target_sp->GetImages().GetModuleAtIndex(idx));
+    if (m_opaque_sp)
+        sb_module.SetModule(m_opaque_sp->GetImages().GetModuleAtIndex(idx));
     return sb_module;
 }
 
@@ -366,7 +382,7 @@
 SBBroadcaster
 SBTarget::GetBroadcaster () const
 {
-    SBBroadcaster broadcaster(m_target_sp.get(), false);
+    SBBroadcaster broadcaster(m_opaque_sp.get(), false);
     return broadcaster;
 }
 
@@ -376,11 +392,11 @@
     if (file_address_start == LLDB_INVALID_ADDRESS)
         return;
 
-    FILE *out = SBDebugger::GetOutputFileHandle();
+    FILE *out = m_opaque_sp->GetDebugger().GetOutputFileHandle();
     if (out == NULL)
         return;
 
-    if (IsValid())
+    if (m_opaque_sp)
     {
         SBModule module;
         if (module_name != NULL)
@@ -388,7 +404,7 @@
             SBFileSpec file_spec (module_name);
             module = FindModule (file_spec);
         }
-        ArchSpec arch (m_target_sp->GetArchitecture());
+        ArchSpec arch (m_opaque_sp->GetArchitecture());
         if (!arch.IsValid())
           return;
         Disassembler *disassembler = Disassembler::FindPlugin (arch);
@@ -446,11 +462,11 @@
     if (function_name == NULL)
         return;
     
-    FILE *out = SBDebugger::GetOutputFileHandle();
+    FILE *out = m_opaque_sp->GetDebugger().GetOutputFileHandle();
     if (out == NULL)
         return;
 
-    if (IsValid())
+    if (m_opaque_sp)
     {
         SBModule module;
 
@@ -460,7 +476,7 @@
             module = FindModule (file_spec);
         }
 
-        ArchSpec arch (m_target_sp->GetArchitecture());
+        ArchSpec arch (m_opaque_sp->GetArchitecture());
         if (!arch.IsValid())
           return;
 
@@ -486,7 +502,7 @@
         if (module_name != NULL)
             containing_module = new FileSpec (module_name);
 
-        SearchFilterSP filter_sp (m_target_sp->GetSearchFilterForModule (containing_module));
+        SearchFilterSP filter_sp (m_opaque_sp->GetSearchFilterForModule (containing_module));
         AddressResolverSP resolver_sp (new AddressResolverName (function_name));
 
         resolver_sp->ResolveAddress (*filter_sp);
diff --git a/source/API/SBThread.cpp b/source/API/SBThread.cpp
index 7a86999..24e5484 100644
--- a/source/API/SBThread.cpp
+++ b/source/API/SBThread.cpp
@@ -11,8 +11,10 @@
 
 #include "lldb/API/SBSymbolContext.h"
 #include "lldb/API/SBFileSpec.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Core/Stream.h"
 #include "lldb/Core/StreamFile.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Target/Thread.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Symbol/SymbolContext.h"
@@ -35,7 +37,7 @@
 using namespace lldb_private;
 
 SBThread::SBThread () :
-    m_lldb_object_sp ()
+    m_opaque_sp ()
 {
 }
 
@@ -43,13 +45,13 @@
 // Thread constructor
 //----------------------------------------------------------------------
 SBThread::SBThread (const ThreadSP& lldb_object_sp) :
-    m_lldb_object_sp (lldb_object_sp)
+    m_opaque_sp (lldb_object_sp)
 {
 }
 
 SBThread::SBThread (const SBThread &rhs)
 {
-    m_lldb_object_sp = rhs.m_lldb_object_sp;
+    m_opaque_sp = rhs.m_opaque_sp;
 }
 
 //----------------------------------------------------------------------
@@ -62,16 +64,16 @@
 bool
 SBThread::IsValid() const
 {
-    return m_lldb_object_sp != NULL;
+    return m_opaque_sp != NULL;
 }
 
 StopReason
 SBThread::GetStopReason()
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         lldb_private::Thread::StopInfo thread_stop_info;
-        if (m_lldb_object_sp->GetStopInfo(&thread_stop_info))
+        if (m_opaque_sp->GetStopInfo(&thread_stop_info))
             return thread_stop_info.GetStopReason();
     }
     return eStopReasonInvalid;
@@ -80,10 +82,10 @@
 size_t
 SBThread::GetStopDescription (char *dst, size_t dst_len)
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         lldb_private::Thread::StopInfo thread_stop_info;
-        if (m_lldb_object_sp->GetStopInfo(&thread_stop_info))
+        if (m_opaque_sp->GetStopInfo(&thread_stop_info))
         {
             const char *stop_desc = thread_stop_info.GetStopDescription();
             if (stop_desc)
@@ -129,7 +131,7 @@
 
                 case eStopReasonSignal:
                     {
-                        stop_desc = m_lldb_object_sp->GetProcess().GetUnixSignals ().GetSignalAsCString (thread_stop_info.GetSignal());
+                        stop_desc = m_opaque_sp->GetProcess().GetUnixSignals ().GetSignalAsCString (thread_stop_info.GetSignal());
                         if (stop_desc == NULL || stop_desc[0] == '\0')
                         {
                             static char signal_desc[] = "signal";
@@ -169,15 +171,15 @@
 void
 SBThread::SetThread (const ThreadSP& lldb_object_sp)
 {
-    m_lldb_object_sp = lldb_object_sp;
+    m_opaque_sp = lldb_object_sp;
 }
 
 
 lldb::tid_t
 SBThread::GetThreadID () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetID();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetID();
     else
         return LLDB_INVALID_THREAD_ID;
 }
@@ -185,23 +187,23 @@
 uint32_t
 SBThread::GetIndexID () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetIndexID();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetIndexID();
     return LLDB_INVALID_INDEX32;
 }
 const char *
 SBThread::GetName () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetName();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetName();
     return NULL;
 }
 
 const char *
 SBThread::GetQueueName () const
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetQueueName();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetQueueName();
     return NULL;
 }
 
@@ -219,9 +221,9 @@
     if ((out == NULL) || (err == NULL))
         return;
 
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
-        uint32_t num_stack_frames = m_lldb_object_sp->GetStackFrameCount ();
+        uint32_t num_stack_frames = m_opaque_sp->GetStackFrameCount ();
         StackFrameSP frame_sp;
         int frame_idx = 0;
 
@@ -230,7 +232,7 @@
             if (frame_idx >= num_stack_frames)
                 break;
 
-            frame_sp = m_lldb_object_sp->GetStackFrameAtIndex (frame_idx);
+            frame_sp = m_opaque_sp->GetStackFrameAtIndex (frame_idx);
             if (!frame_sp)
                 break;
 
@@ -257,17 +259,16 @@
                                                uint32_t source_lines_before)
 {
     bool success = false;
-
-     if ((out == NULL) || (err == NULL))
+    
+    if ((out == NULL) || (err == NULL))
         return false;
-
-   if (m_lldb_object_sp && frame.IsValid())
+    
+    if (m_opaque_sp && frame.IsValid())
     {
-
         StreamFile str (out);
-
+        
         SBSymbolContext sc(frame.GetSymbolContext(eSymbolContextEverything));
-
+        
         if (show_frame_info && sc.IsValid())
         {
             user_id_t frame_idx = (user_id_t) frame.GetFrameID();
@@ -277,28 +278,28 @@
                        frame_idx,
                        GetThreadID(),
                        pc);
-            sc->DumpStopContext (&str, &m_lldb_object_sp->GetProcess(), *frame.GetPCAddress());
+            sc->DumpStopContext (&str, &m_opaque_sp->GetProcess(), *frame.GetPCAddress());
             fprintf (out, "\n");
             success = true;
         }
-
+        
         SBCompileUnit comp_unit(sc.GetCompileUnit());
         if (show_source && comp_unit.IsValid())
         {
-          success = false;
+            success = false;
             SBLineEntry line_entry;
             if (line_entry.IsValid())
             {
-                SBSourceManager& source_manager = SBDebugger::GetSourceManager();
-                SBFileSpec line_entry_file_spec = line_entry.GetFileSpec();
-
+                SourceManager& source_manager = m_opaque_sp->GetProcess().GetTarget().GetDebugger().GetSourceManager();
+                SBFileSpec line_entry_file_spec (line_entry.GetFileSpec());
+                
                 if (line_entry_file_spec.IsValid())
                 {
-                    source_manager.DisplaySourceLinesWithLineNumbers (line_entry_file_spec,
+                    source_manager.DisplaySourceLinesWithLineNumbers (line_entry_file_spec.ref(),
                                                                       line_entry.GetLine(),
                                                                       source_lines_after,
                                                                       source_lines_before, "->",
-                                                                      out);
+                                                                      &str);
                     success = true;
                 }
             }
@@ -310,17 +311,17 @@
 void
 SBThread::StepOver (lldb::RunMode stop_other_threads)
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         bool abort_other_plans = true;
-        StackFrameSP frame_sp(m_lldb_object_sp->GetStackFrameAtIndex (0));
+        StackFrameSP frame_sp(m_opaque_sp->GetStackFrameAtIndex (0));
 
         if (frame_sp)
         {
             if (frame_sp->HasDebugInformation ())
             {
                 SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
-                m_lldb_object_sp->QueueThreadPlanForStepRange (abort_other_plans, 
+                m_opaque_sp->QueueThreadPlanForStepRange (abort_other_plans, 
                                                                eStepTypeOver,
                                                                sc.line_entry.range, 
                                                                sc,
@@ -330,15 +331,15 @@
             }
             else
             {
-                m_lldb_object_sp->QueueThreadPlanForStepSingleInstruction (true, 
+                m_opaque_sp->QueueThreadPlanForStepSingleInstruction (true, 
                                                                            abort_other_plans, 
                                                                            stop_other_threads);
             }
         }
 
-        Process &process = m_lldb_object_sp->GetProcess();
+        Process &process = m_opaque_sp->GetProcess();
         // Why do we need to set the current thread by ID here???
-        process.GetThreadList().SetCurrentThreadByID (m_lldb_object_sp->GetID());
+        process.GetThreadList().SetCurrentThreadByID (m_opaque_sp->GetID());
         process.Resume();
     }
 }
@@ -346,17 +347,17 @@
 void
 SBThread::StepInto (lldb::RunMode stop_other_threads)
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         bool abort_other_plans = true;
 
-        StackFrameSP frame_sp(m_lldb_object_sp->GetStackFrameAtIndex (0));
+        StackFrameSP frame_sp(m_opaque_sp->GetStackFrameAtIndex (0));
 
         if (frame_sp && frame_sp->HasDebugInformation ())
         {
             bool avoid_code_without_debug_info = true;
             SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
-            m_lldb_object_sp->QueueThreadPlanForStepRange (abort_other_plans, 
+            m_opaque_sp->QueueThreadPlanForStepRange (abort_other_plans, 
                                                            eStepTypeInto, 
                                                            sc.line_entry.range, 
                                                            sc, 
@@ -365,14 +366,14 @@
         }
         else
         {
-            m_lldb_object_sp->QueueThreadPlanForStepSingleInstruction (false, 
+            m_opaque_sp->QueueThreadPlanForStepSingleInstruction (false, 
                                                                        abort_other_plans, 
                                                                        stop_other_threads);
         }
 
-        Process &process = m_lldb_object_sp->GetProcess();
+        Process &process = m_opaque_sp->GetProcess();
         // Why do we need to set the current thread by ID here???
-        process.GetThreadList().SetCurrentThreadByID (m_lldb_object_sp->GetID());
+        process.GetThreadList().SetCurrentThreadByID (m_opaque_sp->GetID());
         process.Resume();
 
     }
@@ -381,15 +382,15 @@
 void
 SBThread::StepOut ()
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         bool abort_other_plans = true;
         bool stop_other_threads = true;
 
-        m_lldb_object_sp->QueueThreadPlanForStepOut (abort_other_plans, NULL, false, stop_other_threads, eVoteYes, eVoteNoOpinion);
+        m_opaque_sp->QueueThreadPlanForStepOut (abort_other_plans, NULL, false, stop_other_threads, eVoteYes, eVoteNoOpinion);
 
-        Process &process = m_lldb_object_sp->GetProcess();
-        process.GetThreadList().SetCurrentThreadByID (m_lldb_object_sp->GetID());
+        Process &process = m_opaque_sp->GetProcess();
+        process.GetThreadList().SetCurrentThreadByID (m_opaque_sp->GetID());
         process.Resume();
     }
 }
@@ -397,11 +398,11 @@
 void
 SBThread::StepInstruction (bool step_over)
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
-        m_lldb_object_sp->QueueThreadPlanForStepSingleInstruction (step_over, true, true);
-        Process &process = m_lldb_object_sp->GetProcess();
-        process.GetThreadList().SetCurrentThreadByID (m_lldb_object_sp->GetID());
+        m_opaque_sp->QueueThreadPlanForStepSingleInstruction (step_over, true, true);
+        Process &process = m_opaque_sp->GetProcess();
+        process.GetThreadList().SetCurrentThreadByID (m_opaque_sp->GetID());
         process.Resume();
     }
 }
@@ -409,67 +410,29 @@
 void
 SBThread::RunToAddress (lldb::addr_t addr)
 {
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         bool abort_other_plans = true;
         bool stop_other_threads = true;
 
         Address target_addr (NULL, addr);
 
-        m_lldb_object_sp->QueueThreadPlanForRunToAddress (abort_other_plans, target_addr, stop_other_threads);
-        Process &process = m_lldb_object_sp->GetProcess();
-        process.GetThreadList().SetCurrentThreadByID (m_lldb_object_sp->GetID());
+        m_opaque_sp->QueueThreadPlanForRunToAddress (abort_other_plans, target_addr, stop_other_threads);
+        Process &process = m_opaque_sp->GetProcess();
+        process.GetThreadList().SetCurrentThreadByID (m_opaque_sp->GetID());
         process.Resume();
     }
 
 }
 
-void
-SBThread::Backtrace (uint32_t num_frames)
-{
-    bool all_frames = false;
-    if (num_frames < 1)
-        all_frames = true;
-
-    FILE *out = SBDebugger::GetOutputFileHandle();
-    FILE *err = SBDebugger::GetErrorFileHandle();
-    
-    if ((out == NULL) || (err == NULL))
-        return;
-
-    if (m_lldb_object_sp)
-    {
-        if (out && err)
-        {
-            int max_num_frames = m_lldb_object_sp->GetStackFrameCount();
-            int last_frame = max_num_frames;
-
-            if (!all_frames && (num_frames < last_frame))
-                last_frame = num_frames;
-
-            StackFrameSP frame_sp;
-            for (int i = 0; i < last_frame; ++i)
-            {
-                frame_sp = m_lldb_object_sp->GetStackFrameAtIndex (i);
-                if (!frame_sp)
-                    break;
-
-                SBFrame sb_frame (frame_sp);
-                if (DisplaySingleFrameForCurrentContext ((FILE *) out, (FILE *) err, sb_frame, true, false, 0, 0) == false)
-                    break;
-            }
-        }
-    }
-}
-
 SBProcess
 SBThread::GetProcess ()
 {
     SBProcess process;
-    if (m_lldb_object_sp)
+    if (m_opaque_sp)
     {
         // Have to go up to the target so we can get a shared pointer to our process...
-        process.SetProcess(m_lldb_object_sp->GetProcess().GetTarget().GetProcessSP());
+        process.SetProcess(m_opaque_sp->GetProcess().GetTarget().GetProcessSP());
     }
     return process;
 }
@@ -477,8 +440,8 @@
 uint32_t
 SBThread::GetNumFrames ()
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetStackFrameCount();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetStackFrameCount();
     return 0;
 }
 
@@ -486,56 +449,56 @@
 SBThread::GetFrameAtIndex (uint32_t idx)
 {
     SBFrame sb_frame;
-    if (m_lldb_object_sp)
-        sb_frame.SetFrame (m_lldb_object_sp->GetStackFrameAtIndex (idx));
+    if (m_opaque_sp)
+        sb_frame.SetFrame (m_opaque_sp->GetStackFrameAtIndex (idx));
     return sb_frame;
 }
 
 const lldb::SBThread &
 SBThread::operator = (const lldb::SBThread &rhs)
 {
-    m_lldb_object_sp = rhs.m_lldb_object_sp;
+    m_opaque_sp = rhs.m_opaque_sp;
     return *this;
 }
 
 bool
 SBThread::operator == (const SBThread &rhs) const
 {
-    return m_lldb_object_sp.get() == rhs.m_lldb_object_sp.get();
+    return m_opaque_sp.get() == rhs.m_opaque_sp.get();
 }
 
 bool
 SBThread::operator != (const SBThread &rhs) const
 {
-    return m_lldb_object_sp.get() != rhs.m_lldb_object_sp.get();
+    return m_opaque_sp.get() != rhs.m_opaque_sp.get();
 }
 
 lldb_private::Thread *
 SBThread::GetLLDBObjectPtr ()
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 const lldb_private::Thread *
 SBThread::operator->() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 const lldb_private::Thread &
 SBThread::operator*() const
 {
-    return *m_lldb_object_sp;
+    return *m_opaque_sp;
 }
 
 lldb_private::Thread *
 SBThread::operator->()
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb_private::Thread &
 SBThread::operator*()
 {
-    return *m_lldb_object_sp;
+    return *m_opaque_sp;
 }
diff --git a/source/API/SBValue.cpp b/source/API/SBValue.cpp
index ab622c7..e381246 100644
--- a/source/API/SBValue.cpp
+++ b/source/API/SBValue.cpp
@@ -33,12 +33,12 @@
 using namespace lldb_private;
 
 SBValue::SBValue () :
-    m_lldb_object_sp ()
+    m_opaque_sp ()
 {
 }
 
 SBValue::SBValue (const lldb::ValueObjectSP &value_sp) :
-    m_lldb_object_sp (value_sp)
+    m_opaque_sp (value_sp)
 {
 }
 
@@ -49,7 +49,7 @@
 bool
 SBValue::IsValid () const
 {
-    return  (m_lldb_object_sp.get() != NULL);
+    return  (m_opaque_sp.get() != NULL);
 }
 
 void
@@ -72,25 +72,25 @@
 
         lldb_private::StreamFile out_stream (out_file);
 
-        out_stream.Printf ("%s ", m_lldb_object_sp->GetName().AsCString (NULL));
-        if (! m_lldb_object_sp->IsInScope (lldb_frame))
+        out_stream.Printf ("%s ", m_opaque_sp->GetName().AsCString (NULL));
+        if (! m_opaque_sp->IsInScope (lldb_frame))
             out_stream.Printf ("[out-of-scope] ");
         if (print_type)
         {
-            out_stream.Printf ("(%s) ", m_lldb_object_sp->GetTypeName().AsCString ("<unknown-type>"));
+            out_stream.Printf ("(%s) ", m_opaque_sp->GetTypeName().AsCString ("<unknown-type>"));
         }
 
         if (print_value)
         {
             ExecutionContextScope *exe_scope = frame->get();
-            const char *val_cstr = m_lldb_object_sp->GetValueAsCString(exe_scope);
-            const char *err_cstr = m_lldb_object_sp->GetError().AsCString();
+            const char *val_cstr = m_opaque_sp->GetValueAsCString(exe_scope);
+            const char *err_cstr = m_opaque_sp->GetError().AsCString();
 
             if (!err_cstr)
             {
-                const char *sum_cstr = m_lldb_object_sp->GetSummaryAsCString(exe_scope);
+                const char *sum_cstr = m_opaque_sp->GetSummaryAsCString(exe_scope);
                 const bool is_aggregate =
-                ClangASTContext::IsAggregateType (m_lldb_object_sp->GetOpaqueClangQualType());
+                ClangASTContext::IsAggregateType (m_opaque_sp->GetOpaqueClangQualType());
                 if (val_cstr)
                     out_stream.Printf ("= %s ", val_cstr);
 
@@ -100,13 +100,13 @@
                 if (is_aggregate)
                 {
                     out_stream.PutChar ('{');
-                    const uint32_t num_children = m_lldb_object_sp->GetNumChildren();
+                    const uint32_t num_children = m_opaque_sp->GetNumChildren();
                     if (num_children)
                     {
                         out_stream.IndentMore();
                         for (uint32_t idx = 0; idx < num_children; ++idx)
                         {
-                            lldb::ValueObjectSP child_sp (m_lldb_object_sp->GetChildAtIndex (idx, true));
+                            lldb::ValueObjectSP child_sp (m_opaque_sp->GetChildAtIndex (idx, true));
                             if (child_sp.get())
                             {
                                 out_stream.EOL();
@@ -131,7 +131,7 @@
 SBValue::GetName()
 {
     if (IsValid())
-        return m_lldb_object_sp->GetName().AsCString();
+        return m_opaque_sp->GetName().AsCString();
     else
         return NULL;
 }
@@ -140,7 +140,7 @@
 SBValue::GetTypeName ()
 {
     if (IsValid())
-        return m_lldb_object_sp->GetTypeName().AsCString();
+        return m_opaque_sp->GetTypeName().AsCString();
     else
         return NULL;
 }
@@ -151,7 +151,7 @@
     size_t result = 0;
 
     if (IsValid())
-        result = m_lldb_object_sp->GetByteSize();
+        result = m_opaque_sp->GetByteSize();
 
     return result;
 }
@@ -162,7 +162,7 @@
     bool result = false;
 
     if (IsValid())
-        result = m_lldb_object_sp->IsInScope (frame.get());
+        result = m_opaque_sp->IsInScope (frame.get());
 
     return result;
 }
@@ -171,8 +171,8 @@
 SBValue::GetValue (const SBFrame &frame)
 {
     const char *value_string = NULL;
-    if ( m_lldb_object_sp)
-        value_string = m_lldb_object_sp->GetValueAsCString(frame.get());
+    if ( m_opaque_sp)
+        value_string = m_opaque_sp->GetValueAsCString(frame.get());
     return value_string;
 }
 
@@ -180,7 +180,7 @@
 SBValue::GetValueDidChange ()
 {
     if (IsValid())
-        return m_lldb_object_sp->GetValueDidChange();
+        return m_opaque_sp->GetValueDidChange();
     return false;
 }
 
@@ -188,8 +188,8 @@
 SBValue::GetSummary (const SBFrame &frame)
 {
     const char *value_string = NULL;
-    if ( m_lldb_object_sp)
-        value_string = m_lldb_object_sp->GetSummaryAsCString(frame.get());
+    if ( m_opaque_sp)
+        value_string = m_opaque_sp->GetSummaryAsCString(frame.get());
     return value_string;
 }
 
@@ -198,7 +198,7 @@
 {
     const char *value_string = NULL;
     if (IsValid())
-        value_string = m_lldb_object_sp->GetLocationAsCString(frame.get());
+        value_string = m_opaque_sp->GetLocationAsCString(frame.get());
     return value_string;
 }
 
@@ -207,7 +207,7 @@
 {
     bool success = false;
     if (IsValid())
-        success = m_lldb_object_sp->SetValueFromCString (frame.get(), value_str);
+        success = m_opaque_sp->SetValueFromCString (frame.get(), value_str);
     return success;
 }
 
@@ -218,7 +218,7 @@
 
     if (IsValid())
     {
-        child_sp = m_lldb_object_sp->GetChildAtIndex (idx, true);
+        child_sp = m_opaque_sp->GetChildAtIndex (idx, true);
     }
 
     SBValue sb_value (child_sp);
@@ -229,7 +229,7 @@
 SBValue::GetIndexOfChildWithName (const char *name)
 {
     if (IsValid())
-        return m_lldb_object_sp->GetIndexOfChildWithName (ConstString(name));
+        return m_opaque_sp->GetIndexOfChildWithName (ConstString(name));
     return UINT32_MAX;
 }
 
@@ -241,7 +241,7 @@
 
     if (IsValid())
     {
-        child_sp = m_lldb_object_sp->GetChildMemberWithName (str_name, true);
+        child_sp = m_opaque_sp->GetChildMemberWithName (str_name, true);
     }
 
     SBValue sb_value (child_sp);
@@ -256,7 +256,7 @@
 
     if (IsValid())
     {
-        num_children = m_lldb_object_sp->GetNumChildren();
+        num_children = m_opaque_sp->GetNumChildren();
     }
 
     return num_children;
@@ -269,7 +269,7 @@
 
     if (IsValid())
     {
-        result = m_lldb_object_sp->GetValueIsValid();
+        result = m_opaque_sp->GetValueIsValid();
     }
 
     return result;
@@ -281,7 +281,7 @@
 {
     if (IsValid())
     {
-        if (m_lldb_object_sp->IsPointerType())
+        if (m_opaque_sp->IsPointerType())
         {
             return GetChildAtIndex(0);
         }
@@ -296,53 +296,53 @@
 
     if (IsValid())
     {
-        is_ptr_type = m_lldb_object_sp->IsPointerType();
+        is_ptr_type = m_opaque_sp->IsPointerType();
     }
 
     return is_ptr_type;
 }
 
 
-lldb_private::ExecutionContext
-SBValue::GetCurrentExecutionContext ()
-{
-    lldb_private::Process *process = NULL;
-    lldb_private::Thread *thread = NULL;
-    lldb_private::StackFrame *frame = NULL;
-
-    SBTarget sb_target = SBDebugger::GetCurrentTarget();
-    if (sb_target.IsValid())
-    {
-        SBProcess sb_process = sb_target.GetProcess();
-        if (sb_process.IsValid())
-        {
-            process = sb_process.get();
-            SBThread sb_thread = sb_process.GetCurrentThread();
-            if (sb_thread.IsValid())
-            {
-                thread = sb_thread.GetLLDBObjectPtr();
-                frame = thread->GetStackFrameAtIndex(0).get();
-                lldb_private::ExecutionContext exe_context (process, thread, frame);
-                return exe_context;
-            }
-            else
-            {
-                lldb_private::ExecutionContext exe_context (process, NULL, NULL);
-                return exe_context;
-            }
-        }
-    }
-
-    lldb_private::ExecutionContext exe_context (NULL, NULL, NULL);
-    return exe_context;
-}
-
-
+//lldb_private::ExecutionContext
+//SBValue::GetCurrentExecutionContext ()
+//{
+//    lldb_private::Process *process = NULL;
+//    lldb_private::Thread *thread = NULL;
+//    lldb_private::StackFrame *frame = NULL;
+//
+//    SBTarget sb_target = SBDebugger::GetCurrentTarget();
+//    if (sb_target.IsValid())
+//    {
+//        SBProcess sb_process = sb_target.GetProcess();
+//        if (sb_process.IsValid())
+//        {
+//            process = sb_process.get();
+//            SBThread sb_thread = sb_process.GetCurrentThread();
+//            if (sb_thread.IsValid())
+//            {
+//                thread = sb_thread.GetLLDBObjectPtr();
+//                frame = thread->GetStackFrameAtIndex(0).get();
+//                lldb_private::ExecutionContext exe_context (process, thread, frame);
+//                return exe_context;
+//            }
+//            else
+//            {
+//                lldb_private::ExecutionContext exe_context (process, NULL, NULL);
+//                return exe_context;
+//            }
+//        }
+//    }
+//
+//    lldb_private::ExecutionContext exe_context (NULL, NULL, NULL);
+//    return exe_context;
+//}
+//
+//
 void *
 SBValue::GetOpaqueType()
 {
-    if (m_lldb_object_sp)
-        return m_lldb_object_sp->GetOpaqueClangQualType();
+    if (m_opaque_sp)
+        return m_opaque_sp->GetOpaqueClangQualType();
     return NULL;
 }
 
@@ -350,23 +350,23 @@
 lldb_private::ValueObject *
 SBValue::get() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb_private::ValueObject *
 SBValue::operator->() const
 {
-    return m_lldb_object_sp.get();
+    return m_opaque_sp.get();
 }
 
 lldb::ValueObjectSP &
 SBValue::operator*()
 {
-    return m_lldb_object_sp;
+    return m_opaque_sp;
 }
 
 const lldb::ValueObjectSP &
 SBValue::operator*() const
 {
-    return m_lldb_object_sp;
+    return m_opaque_sp;
 }
diff --git a/source/API/SBValueList.cpp b/source/API/SBValueList.cpp
index e7cbfad..4223fad 100644
--- a/source/API/SBValueList.cpp
+++ b/source/API/SBValueList.cpp
@@ -17,22 +17,22 @@
 using namespace lldb_private;
 
 SBValueList::SBValueList () :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
 }
 
 SBValueList::SBValueList (const SBValueList &rhs) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (rhs.IsValid())
-        m_lldb_object_ap.reset (new lldb_private::ValueObjectList (*rhs));
+        m_opaque_ap.reset (new lldb_private::ValueObjectList (*rhs));
 }
 
 SBValueList::SBValueList (const lldb_private::ValueObjectList *lldb_object_ptr) :
-    m_lldb_object_ap ()
+    m_opaque_ap ()
 {
     if (lldb_object_ptr)
-        m_lldb_object_ap.reset (new lldb_private::ValueObjectList (*lldb_object_ptr));
+        m_opaque_ap.reset (new lldb_private::ValueObjectList (*lldb_object_ptr));
 }
 
 SBValueList::~SBValueList ()
@@ -42,7 +42,7 @@
 bool
 SBValueList::IsValid () const
 {
-    return (m_lldb_object_ap.get() != NULL);
+    return (m_opaque_ap.get() != NULL);
 }
 
 const SBValueList &
@@ -51,9 +51,9 @@
     if (this != &rhs)
     {
         if (rhs.IsValid())
-            m_lldb_object_ap.reset (new lldb_private::ValueObjectList (*rhs));
+            m_opaque_ap.reset (new lldb_private::ValueObjectList (*rhs));
         else
-            m_lldb_object_ap.reset ();
+            m_opaque_ap.reset ();
     }
     return *this;
 }
@@ -61,25 +61,25 @@
 lldb_private::ValueObjectList *
 SBValueList::operator->()
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 lldb_private::ValueObjectList &
 SBValueList::operator*()
 {
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
 const lldb_private::ValueObjectList *
 SBValueList::operator->() const
 {
-    return m_lldb_object_ap.get();
+    return m_opaque_ap.get();
 }
 
 const lldb_private::ValueObjectList &
 SBValueList::operator*() const
 {
-    return *m_lldb_object_ap;
+    return *m_opaque_ap;
 }
 
 void
@@ -88,7 +88,7 @@
     if (val_obj.get())
     {
         CreateIfNeeded ();
-        m_lldb_object_ap->Append (*val_obj);
+        m_opaque_ap->Append (*val_obj);
     }
 }
 
@@ -98,7 +98,7 @@
     if (val_obj_sp)
     {
         CreateIfNeeded ();
-        m_lldb_object_ap->Append (val_obj_sp);
+        m_opaque_ap->Append (val_obj_sp);
     }
 }
 
@@ -107,8 +107,8 @@
 SBValueList::GetValueAtIndex (uint32_t idx) const
 {
     SBValue sb_value;
-    if (m_lldb_object_ap.get())
-        *sb_value = m_lldb_object_ap->GetValueObjectAtIndex (idx);
+    if (m_opaque_ap.get())
+        *sb_value = m_opaque_ap->GetValueObjectAtIndex (idx);
     return sb_value;
 }
 
@@ -116,16 +116,16 @@
 SBValueList::GetSize () const
 {
     uint32_t size = 0;
-    if (m_lldb_object_ap.get())
-        size = m_lldb_object_ap->GetSize();
+    if (m_opaque_ap.get())
+        size = m_opaque_ap->GetSize();
     return size;
 }
 
 void
 SBValueList::CreateIfNeeded ()
 {
-    if (m_lldb_object_ap.get() == NULL)
-        m_lldb_object_ap.reset (new ValueObjectList());
+    if (m_opaque_ap.get() == NULL)
+        m_opaque_ap.reset (new ValueObjectList());
 }
 
 
@@ -133,8 +133,8 @@
 SBValueList::FindValueObjectByUID (lldb::user_id_t uid)
 {
     SBValue sb_value;
-    if ( m_lldb_object_ap.get())
-        *sb_value = m_lldb_object_ap->FindValueObjectByUID (uid);
+    if ( m_opaque_ap.get())
+        *sb_value = m_opaque_ap->FindValueObjectByUID (uid);
     return sb_value;
 }
 
diff --git a/source/Breakpoint/StoppointCallbackContext.cpp b/source/Breakpoint/StoppointCallbackContext.cpp
index 8662062..da4d9e3 100644
--- a/source/Breakpoint/StoppointCallbackContext.cpp
+++ b/source/Breakpoint/StoppointCallbackContext.cpp
@@ -18,13 +18,13 @@
 
 StoppointCallbackContext::StoppointCallbackContext() :
     event (NULL),
-    context()
+    exe_ctx()
 {
 }
 
 StoppointCallbackContext::StoppointCallbackContext(Event *e, Process* p, Thread *t, StackFrame *f, bool synchronously) :
     event (e),
-    context (p, t, f),
+    exe_ctx (p, t, f),
     is_synchronous(synchronously)
 {
 }
@@ -33,6 +33,6 @@
 StoppointCallbackContext::Clear()
 {
     event = NULL;
-    context.Clear();
+    exe_ctx.Clear();
     is_synchronous = false;
 }
diff --git a/source/Commands/CommandCompletions.cpp b/source/Commands/CommandCompletions.cpp
index f2bf7da..5d42229 100644
--- a/source/Commands/CommandCompletions.cpp
+++ b/source/Commands/CommandCompletions.cpp
@@ -33,13 +33,16 @@
 };
 
 bool
-CommandCompletions::InvokeCommonCompletionCallbacks (uint32_t completion_mask,
-                                                const char *completion_str,
-                                                int match_start_point,
-                                                int max_return_elements,
-                                                lldb_private::CommandInterpreter *interpreter,
-                                                SearchFilter *searcher,
-                                                lldb_private::StringList &matches)
+CommandCompletions::InvokeCommonCompletionCallbacks 
+(
+    CommandInterpreter &interpreter,
+    uint32_t completion_mask,
+    const char *completion_str,
+    int match_start_point,
+    int max_return_elements,
+    SearchFilter *searcher,
+    StringList &matches
+)
 {
     bool handled = false;
 
@@ -54,10 +57,10 @@
                    && g_common_completions[i].callback != NULL)
          {
             handled = true;
-            g_common_completions[i].callback (completion_str,
+            g_common_completions[i].callback (interpreter,
+                                              completion_str,
                                               match_start_point,
                                               max_return_elements,
-                                              interpreter,
                                               searcher,
                                               matches);
         }
@@ -66,20 +69,27 @@
 }
 
 int
-CommandCompletions::SourceFiles (const char *partial_file_name,
-                    int match_start_point,
-                    int max_return_elements,
-                    lldb_private::CommandInterpreter *interpreter,
-                    SearchFilter *searcher,
-                    lldb_private::StringList &matches)
+CommandCompletions::SourceFiles 
+(
+    CommandInterpreter &interpreter,
+    const char *partial_file_name,
+    int match_start_point,
+    int max_return_elements,
+    SearchFilter *searcher,
+    StringList &matches
+)
 {
     // Find some way to switch "include support files..."
-    SourceFileCompleter completer (false, partial_file_name, match_start_point, max_return_elements, interpreter,
+    SourceFileCompleter completer (interpreter,
+                                   false, 
+                                   partial_file_name, 
+                                   match_start_point, 
+                                   max_return_elements,
                                    matches);
 
     if (searcher == NULL)
     {
-        lldb::TargetSP target_sp = interpreter->Context()->GetTarget()->GetSP();
+        lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
         SearchFilter null_searcher (target_sp);
         completer.DoCompletion (&null_searcher);
     }
@@ -91,18 +101,25 @@
 }
 
 int
-CommandCompletions::Modules (const char *partial_file_name,
-                    int match_start_point,
-                    int max_return_elements,
-                    lldb_private::CommandInterpreter *interpreter,
-                    SearchFilter *searcher,
-                    lldb_private::StringList &matches)
+CommandCompletions::Modules 
+(
+    CommandInterpreter &interpreter,
+    const char *partial_file_name,
+    int match_start_point,
+    int max_return_elements,
+    SearchFilter *searcher,
+    StringList &matches
+)
 {
-    ModuleCompleter completer(partial_file_name, match_start_point, max_return_elements, interpreter, matches);
-
+    ModuleCompleter completer (interpreter,
+                               partial_file_name, 
+                               match_start_point, 
+                               max_return_elements, 
+                               matches);
+    
     if (searcher == NULL)
     {
-        lldb::TargetSP target_sp = interpreter->Context()->GetTarget()->GetSP();
+        lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
         SearchFilter null_searcher (target_sp);
         completer.DoCompletion (&null_searcher);
     }
@@ -114,18 +131,24 @@
 }
 
 int
-CommandCompletions::Symbols (const char *partial_file_name,
-                    int match_start_point,
-                    int max_return_elements,
-                    lldb_private::CommandInterpreter *interpreter,
-                    SearchFilter *searcher,
-                    lldb_private::StringList &matches)
+CommandCompletions::Symbols 
+(
+    CommandInterpreter &interpreter,
+    const char *partial_file_name,
+    int match_start_point,
+    int max_return_elements,
+    SearchFilter *searcher,
+    StringList &matches)
 {
-    SymbolCompleter completer(partial_file_name, match_start_point, max_return_elements, interpreter, matches);
+    SymbolCompleter completer (interpreter,
+                               partial_file_name, 
+                               match_start_point, 
+                               max_return_elements, 
+                               matches);
 
     if (searcher == NULL)
     {
-        lldb::TargetSP target_sp = interpreter->Context()->GetTarget()->GetSP();
+        lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
         SearchFilter null_searcher (target_sp);
         completer.DoCompletion (&null_searcher);
     }
@@ -136,17 +159,18 @@
     return matches.GetSize();
 }
 
-CommandCompletions::Completer::Completer (
+CommandCompletions::Completer::Completer 
+(
+    CommandInterpreter &interpreter,
     const char *completion_str,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 ) :
+    m_interpreter (interpreter),
     m_completion_str (completion_str),
     m_match_start_point (match_start_point),
     m_max_return_elements (max_return_elements),
-    m_interpreter (interpreter),
     m_matches (matches)
 {
 }
@@ -160,15 +184,16 @@
 // SourceFileCompleter
 //----------------------------------------------------------------------
 
-CommandCompletions::SourceFileCompleter::SourceFileCompleter (
+CommandCompletions::SourceFileCompleter::SourceFileCompleter 
+(
+    CommandInterpreter &interpreter,
     bool include_support_files,
     const char *completion_str,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 ) :
-    CommandCompletions::Completer (completion_str, match_start_point, max_return_elements, interpreter, matches),
+    CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches),
     m_include_support_files (include_support_files),
     m_matching_files()
 {
@@ -264,14 +289,15 @@
     else
         return false;
 }
-CommandCompletions::SymbolCompleter::SymbolCompleter (
+CommandCompletions::SymbolCompleter::SymbolCompleter 
+(
+    CommandInterpreter &interpreter,
     const char *completion_str,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 ) :
-    CommandCompletions::Completer (completion_str, match_start_point, max_return_elements, interpreter, matches)
+    CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches)
 {
     std::string regex_str ("^");
     regex_str.append(completion_str);
@@ -353,14 +379,15 @@
 //----------------------------------------------------------------------
 // ModuleCompleter
 //----------------------------------------------------------------------
-CommandCompletions::ModuleCompleter::ModuleCompleter (
+CommandCompletions::ModuleCompleter::ModuleCompleter 
+(
+    CommandInterpreter &interpreter,
     const char *completion_str,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 ) :
-    CommandCompletions::Completer (completion_str, match_start_point, max_return_elements, interpreter, matches)
+    CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches)
 {
     FileSpec partial_spec (m_completion_str.c_str());
     m_file_name = partial_spec.GetFilename().GetCString();
diff --git a/source/Commands/CommandObjectAdd.cpp b/source/Commands/CommandObjectAdd.cpp
deleted file mode 100644
index 1bd5fe4..0000000
--- a/source/Commands/CommandObjectAdd.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-//===-- CommandObjectAdd.cpp ------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CommandObjectAdd.h"
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/CommandInterpreter.h"
-#include "lldb/Interpreter/Options.h"
-#include "lldb/Interpreter/CommandReturnObject.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-//-------------------------------------------------------------------------
-// CommandObjectAdd
-//-------------------------------------------------------------------------
-
-CommandObjectAdd::CommandObjectAdd () :
-    CommandObject ("add",
-                     "Allows the user to add a new command/function pair to the debugger's dictionary.",
-                     "add <new-command-name> <script-function-name>")
-{
-}
-
-CommandObjectAdd::~CommandObjectAdd()
-{
-}
-
-
-bool
-CommandObjectAdd::Execute
-(
-    Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
-    CommandReturnObject &result
-)
-{
-    result.AppendMessage ("This function has not been implemented yet.");
-    result.SetStatus (eReturnStatusSuccessFinishNoResult);
-    return result.Succeeded();
-}
diff --git a/source/Commands/CommandObjectAdd.h b/source/Commands/CommandObjectAdd.h
deleted file mode 100644
index 9aa59b6..0000000
--- a/source/Commands/CommandObjectAdd.h
+++ /dev/null
@@ -1,43 +0,0 @@
-//===-- CommandObjectAdd.h --------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_CommandObjectAdd_h_
-#define liblldb_CommandObjectAdd_h_
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/CommandObject.h"
-
-namespace lldb_private {
-//-------------------------------------------------------------------------
-// CommandObjectAdd
-//-------------------------------------------------------------------------
-
-class CommandObjectAdd : public CommandObject
-{
-public:
-
-    CommandObjectAdd ();
-
-    virtual
-    ~CommandObjectAdd ();
-
-    virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
-
-};
-
-} // namespace lldb_private
-
-#endif  // liblldb_CommandObjectAdd_h_
diff --git a/source/Commands/CommandObjectAlias.cpp b/source/Commands/CommandObjectAlias.cpp
index 5ab7db6..62ffbf4 100644
--- a/source/Commands/CommandObjectAlias.cpp
+++ b/source/Commands/CommandObjectAlias.cpp
@@ -89,8 +89,12 @@
 
 
 bool
-CommandObjectAlias::Execute (Args& args, CommandContext *context, CommandInterpreter *interpreter,
-                               CommandReturnObject &result)
+CommandObjectAlias::Execute
+(
+    CommandInterpreter &interpreter,
+    Args& args,
+    CommandReturnObject &result
+)
 {
     const int argc = args.GetArgumentCount();
 
@@ -109,7 +113,7 @@
 
     // Verify that the command is alias'able, and get the appropriate command object.
 
-    if (interpreter->CommandExists (alias_command.c_str()))
+    if (interpreter.CommandExists (alias_command.c_str()))
     {
         result.AppendErrorWithFormat ("'%s' is a permanent debugger command and cannot be redefined.\n",
                                      alias_command.c_str());
@@ -117,7 +121,7 @@
     }
     else
     {
-         CommandObjectSP command_obj_sp(interpreter->GetCommandSP (actual_command.c_str()));
+         CommandObjectSP command_obj_sp(interpreter.GetCommandSP (actual_command.c_str()));
          CommandObjectSP subcommand_obj_sp;
          bool use_subcommand = false;
          if (command_obj_sp.get())
@@ -193,24 +197,24 @@
 
              // Create the alias.
 
-             if (interpreter->AliasExists (alias_command.c_str())
-                 || interpreter->UserCommandExists (alias_command.c_str()))
+             if (interpreter.AliasExists (alias_command.c_str())
+                 || interpreter.UserCommandExists (alias_command.c_str()))
              {
-                 OptionArgVectorSP tmp_option_arg_sp (interpreter->GetAliasOptions (alias_command.c_str()));
+                 OptionArgVectorSP tmp_option_arg_sp (interpreter.GetAliasOptions (alias_command.c_str()));
                  if (tmp_option_arg_sp.get())
                  {
                      if (option_arg_vector->size() == 0)
-                         interpreter->RemoveAliasOptions (alias_command.c_str());
+                         interpreter.RemoveAliasOptions (alias_command.c_str());
                  }
                  result.AppendWarningWithFormat ("Overwriting existing definition for '%s'.\n", alias_command.c_str());
              }
 
              if (use_subcommand)
-                 interpreter->AddAlias (alias_command.c_str(), subcommand_obj_sp);
+                 interpreter.AddAlias (alias_command.c_str(), subcommand_obj_sp);
              else
-                 interpreter->AddAlias (alias_command.c_str(), command_obj_sp);
+                 interpreter.AddAlias (alias_command.c_str(), command_obj_sp);
              if (option_arg_vector->size() > 0)
-                 interpreter->AddOrReplaceAliasOptions (alias_command.c_str(), option_arg_vector_sp);
+                 interpreter.AddOrReplaceAliasOptions (alias_command.c_str(), option_arg_vector_sp);
              result.SetStatus (eReturnStatusSuccessFinishNoResult);
          }
          else
diff --git a/source/Commands/CommandObjectAlias.h b/source/Commands/CommandObjectAlias.h
index 859b7ce..da33346 100644
--- a/source/Commands/CommandObjectAlias.h
+++ b/source/Commands/CommandObjectAlias.h
@@ -32,9 +32,8 @@
     ~CommandObjectAlias ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 };
 
diff --git a/source/Commands/CommandObjectAppend.cpp b/source/Commands/CommandObjectAppend.cpp
index 613b85b..6bdbc36 100644
--- a/source/Commands/CommandObjectAppend.cpp
+++ b/source/Commands/CommandObjectAppend.cpp
@@ -37,9 +37,8 @@
 bool
 CommandObjectAppend::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -64,7 +63,7 @@
     }
     else
     {
-        StateVariable *var = interpreter->GetStateVariable(var_name);
+        StateVariable *var = interpreter.GetStateVariable(var_name);
         if (var == NULL)
         {
             result.AppendErrorWithFormat ("'%s' is not a settable internal variable.\n", var_name);
diff --git a/source/Commands/CommandObjectAppend.h b/source/Commands/CommandObjectAppend.h
index 4362837..6b2ab9d 100644
--- a/source/Commands/CommandObjectAppend.h
+++ b/source/Commands/CommandObjectAppend.h
@@ -30,9 +30,8 @@
     ~CommandObjectAppend ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 
diff --git a/source/Commands/CommandObjectApropos.cpp b/source/Commands/CommandObjectApropos.cpp
index bdb70df..0f10b3e 100644
--- a/source/Commands/CommandObjectApropos.cpp
+++ b/source/Commands/CommandObjectApropos.cpp
@@ -40,14 +40,18 @@
 
 
 bool
-CommandObjectApropos::Execute (Args &command, CommandContext *context, CommandInterpreter *interpreter, 
-                              CommandReturnObject &result)
+CommandObjectApropos::Execute
+(
+    CommandInterpreter &interpreter,
+    Args& args,
+    CommandReturnObject &result
+)
 {
-    const int argc = command.GetArgumentCount ();
+    const int argc = args.GetArgumentCount ();
 
     if (argc == 1)
     {
-        const char *search_word = command.GetArgumentAtIndex(0);
+        const char *search_word = args.GetArgumentAtIndex(0);
         if ((search_word != NULL)
             && (strlen (search_word) > 0))
         {
@@ -55,7 +59,7 @@
             // is private.
             StringList commands_found;
             StringList commands_help;
-            interpreter->FindCommandsForApropos (search_word, commands_found, commands_help);
+            interpreter.FindCommandsForApropos (search_word, commands_found, commands_help);
             if (commands_found.GetSize() == 0)
             {
                 result.AppendMessageWithFormat ("No commands found pertaining to '%s'.", search_word);
@@ -74,8 +78,11 @@
                 }
 
                 for (int i = 0; i < commands_found.GetSize(); ++i)
-                    interpreter->OutputFormattedHelpText (result.GetOutputStream(), commands_found.GetStringAtIndex(i),
-                                                         "--", commands_help.GetStringAtIndex(i), max_len);
+                    interpreter.OutputFormattedHelpText (result.GetOutputStream(), 
+                                                         commands_found.GetStringAtIndex(i),
+                                                         "--", commands_help.
+                                                         GetStringAtIndex(i), 
+                                                         max_len);
 
             }
             result.SetStatus (eReturnStatusSuccessFinishNoResult);
diff --git a/source/Commands/CommandObjectApropos.h b/source/Commands/CommandObjectApropos.h
index a079a3f..cf5cabe 100644
--- a/source/Commands/CommandObjectApropos.h
+++ b/source/Commands/CommandObjectApropos.h
@@ -32,9 +32,8 @@
     ~CommandObjectApropos ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 
diff --git a/source/Commands/CommandObjectArgs.cpp b/source/Commands/CommandObjectArgs.cpp
index e1cb982..74a7d2b 100644
--- a/source/Commands/CommandObjectArgs.cpp
+++ b/source/Commands/CommandObjectArgs.cpp
@@ -20,7 +20,7 @@
 #include "lldb/Expression/ClangFunction.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/Variable.h"
@@ -95,14 +95,17 @@
 }
 
 bool
-CommandObjectArgs::Execute(Args &command,
-                           CommandContext *context,
-                           CommandInterpreter *interpreter,
-                           CommandReturnObject &result)
+CommandObjectArgs::Execute
+(
+    CommandInterpreter &interpreter,
+    Args& args,
+    CommandReturnObject &result
+)
 {
     ConstString target_triple;
     
-    Process *process = context->GetExecutionContext().process;
+    
+    Process *process = interpreter.GetDebugger().GetExecutionContext().process;
     if (!process)
     {
         result.AppendError ("Args found no process.");
@@ -118,7 +121,7 @@
         return false;
     }
     
-    int num_args = command.GetArgumentCount ();
+    int num_args = args.GetArgumentCount ();
     int arg_index;
     
     if (!num_args)
@@ -128,7 +131,7 @@
         return false;
     }
     
-    Thread *thread = context->GetExecutionContext ().thread;
+    Thread *thread = interpreter.GetDebugger().GetExecutionContext ().thread;
     
     if (!thread)
     {
@@ -167,7 +170,7 @@
     
     for (arg_index = 0; arg_index < num_args; ++arg_index)
     {
-        const char *arg_type_cstr = command.GetArgumentAtIndex(arg_index);
+        const char *arg_type_cstr = args.GetArgumentAtIndex(arg_index);
         Value value;
         value.SetValueType(Value::eValueTypeScalar);
         void *type;
@@ -262,7 +265,7 @@
 
     for (arg_index = 0; arg_index < num_args; ++arg_index)
     {
-        result.GetOutputStream ().Printf ("%d (%s): ", arg_index, command.GetArgumentAtIndex (arg_index));
+        result.GetOutputStream ().Printf ("%d (%s): ", arg_index, args.GetArgumentAtIndex (arg_index));
         value_list.GetValueAtIndex (arg_index)->Dump (&result.GetOutputStream ());
         result.GetOutputStream ().Printf("\n");
     }
diff --git a/source/Commands/CommandObjectArgs.h b/source/Commands/CommandObjectArgs.h
index 997d289..5a73460 100644
--- a/source/Commands/CommandObjectArgs.h
+++ b/source/Commands/CommandObjectArgs.h
@@ -58,9 +58,8 @@
         
         
         virtual bool
-        Execute (Args& command,
-                 CommandContext *context,
-                 CommandInterpreter *interpreter,
+        Execute (CommandInterpreter &interpreter,
+                 Args& command,
                  CommandReturnObject &result);
         
         virtual bool
diff --git a/source/Commands/CommandObjectBreakpoint.cpp b/source/Commands/CommandObjectBreakpoint.cpp
index 044ff40..01d29fb 100644
--- a/source/Commands/CommandObjectBreakpoint.cpp
+++ b/source/Commands/CommandObjectBreakpoint.cpp
@@ -32,7 +32,7 @@
 using namespace lldb_private;
 
 static void
-AddBreakpointDescription (CommandContext *context, StreamString *s, Breakpoint *bp, lldb::DescriptionLevel level)
+AddBreakpointDescription (StreamString *s, Breakpoint *bp, lldb::DescriptionLevel level)
 {
     s->IndentMore();
     bp->GetDescription (s, level, true);
@@ -240,13 +240,12 @@
 bool
 CommandObjectBreakpointSet::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
@@ -287,7 +286,7 @@
             FileSpec file;
             if (m_options.m_filename.empty())
             {
-                StackFrame *cur_frame = context->GetExecutionContext().frame;
+                StackFrame *cur_frame = interpreter.GetDebugger().GetExecutionContext().frame;
                 if (cur_frame == NULL)
                 {
                     result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame.");
@@ -458,7 +457,7 @@
 //-------------------------------------------------------------------------
 #pragma mark MultiwordBreakpoint
 
-CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter *interpreter) :
+CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("breakpoint",
                               "A set of commands for operating on breakpoints.",
                               "breakpoint <command> [<command-options>]")
@@ -480,13 +479,13 @@
     modify_command_object->SetCommandName ("breakpoint modify");
     set_command_object->SetCommandName("breakpoint set");
 
-    status = LoadSubCommand (list_command_object, "list", interpreter);
-    status = LoadSubCommand (enable_command_object, "enable", interpreter);
-    status = LoadSubCommand (disable_command_object, "disable", interpreter);
-    status = LoadSubCommand (delete_command_object, "delete", interpreter);
-    status = LoadSubCommand (set_command_object, "set", interpreter);
-    status = LoadSubCommand (command_command_object, "command", interpreter);
-    status = LoadSubCommand (modify_command_object, "modify", interpreter);
+    status = LoadSubCommand (interpreter, "list",       list_command_object);
+    status = LoadSubCommand (interpreter, "enable",     enable_command_object);
+    status = LoadSubCommand (interpreter, "disable",    disable_command_object);
+    status = LoadSubCommand (interpreter, "delete",     delete_command_object);
+    status = LoadSubCommand (interpreter, "set",        set_command_object);
+    status = LoadSubCommand (interpreter, "command",    command_command_object);
+    status = LoadSubCommand (interpreter, "modify",     modify_command_object);
 }
 
 CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint ()
@@ -653,13 +652,12 @@
 bool
 CommandObjectBreakpointList::Execute
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
@@ -689,7 +687,7 @@
         for (int i = 0; i < num_breakpoints; ++i)
         {
             Breakpoint *breakpoint = breakpoints.GetBreakpointByIndex (i).get();
-            AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level);
+            AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level);
         }
         result.SetStatus (eReturnStatusSuccessFinishNoResult);
     }
@@ -705,7 +703,7 @@
             {
                 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i);
                 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get();
-                AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level);
+                AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level);
             }
             result.SetStatus (eReturnStatusSuccessFinishNoResult);
         }
@@ -743,10 +741,14 @@
 
 
 bool
-CommandObjectBreakpointEnable::Execute (Args& args, CommandContext *context,
-                                          CommandInterpreter *interpreter, CommandReturnObject &result)
+CommandObjectBreakpointEnable::Execute 
+(
+    CommandInterpreter &interpreter,
+    Args& args, 
+    CommandReturnObject &result
+)
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
@@ -838,10 +840,14 @@
 }
 
 bool
-CommandObjectBreakpointDisable::Execute (Args& args, CommandContext *context,
-                                           CommandInterpreter *interpreter, CommandReturnObject &result)
+CommandObjectBreakpointDisable::Execute
+(
+    CommandInterpreter &interpreter,
+    Args& args, 
+    CommandReturnObject &result
+)
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
@@ -929,10 +935,14 @@
 }
 
 bool
-CommandObjectBreakpointDelete::Execute (Args& args, CommandContext *context,
-                                          CommandInterpreter *interpreter, CommandReturnObject &result)
+CommandObjectBreakpointDelete::Execute 
+(
+    CommandInterpreter &interpreter,
+    Args& args, 
+    CommandReturnObject &result
+)
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
@@ -1163,9 +1173,8 @@
 bool
 CommandObjectBreakpointModify::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -1176,7 +1185,7 @@
         return false;
     }
 
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("Invalid target, set executable file using 'file' command.");
diff --git a/source/Commands/CommandObjectBreakpoint.h b/source/Commands/CommandObjectBreakpoint.h
index 053e036..92bea69 100644
--- a/source/Commands/CommandObjectBreakpoint.h
+++ b/source/Commands/CommandObjectBreakpoint.h
@@ -32,7 +32,7 @@
 class CommandObjectMultiwordBreakpoint : public CommandObjectMultiword
 {
 public:
-    CommandObjectMultiwordBreakpoint (CommandInterpreter *interpreter);
+    CommandObjectMultiwordBreakpoint (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMultiwordBreakpoint ();
@@ -66,9 +66,8 @@
     ~CommandObjectBreakpointSet ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual Options *
@@ -133,9 +132,8 @@
     ~CommandObjectBreakpointModify ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual Options *
@@ -194,9 +192,8 @@
     ~CommandObjectBreakpointEnable ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 private:
@@ -215,9 +212,8 @@
     ~CommandObjectBreakpointDisable ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 private:
@@ -236,9 +232,8 @@
     ~CommandObjectBreakpointList ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual Options *
@@ -290,9 +285,8 @@
     ~CommandObjectBreakpointDelete ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 private:
diff --git a/source/Commands/CommandObjectBreakpointCommand.cpp b/source/Commands/CommandObjectBreakpointCommand.cpp
index e080450..547192d 100644
--- a/source/Commands/CommandObjectBreakpointCommand.cpp
+++ b/source/Commands/CommandObjectBreakpointCommand.cpp
@@ -208,13 +208,12 @@
 bool
 CommandObjectBreakpointCommandAdd::Execute 
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
 
     if (target == NULL)
     {
@@ -258,12 +257,12 @@
                     {
                         if (m_options.m_use_script_language)
                         {
-                            interpreter->GetScriptInterpreter()->CollectDataForBreakpointCommandCallback (bp_loc_sp->GetLocationOptions(),
+                            interpreter.GetScriptInterpreter()->CollectDataForBreakpointCommandCallback (bp_loc_sp->GetLocationOptions(),
                                                                                                           result);
                         }
                         else
                         {
-                            CollectDataForBreakpointCommandCallback (bp_loc_sp->GetLocationOptions(), result);
+                            CollectDataForBreakpointCommandCallback (interpreter, bp_loc_sp->GetLocationOptions(), result);
                         }
                     }
                 }
@@ -271,12 +270,12 @@
                 {
                     if (m_options.m_use_script_language)
                     {
-                        interpreter->GetScriptInterpreter()->CollectDataForBreakpointCommandCallback (bp->GetOptions(),
+                        interpreter.GetScriptInterpreter()->CollectDataForBreakpointCommandCallback (bp->GetOptions(),
                                                                                                       result);
                     }
                     else
                     {
-                        CollectDataForBreakpointCommandCallback (bp->GetOptions(), result);
+                        CollectDataForBreakpointCommandCallback (interpreter, bp->GetOptions(), result);
                     }
                 }
             }
@@ -297,11 +296,12 @@
 void
 CommandObjectBreakpointCommandAdd::CollectDataForBreakpointCommandCallback
 (
+    CommandInterpreter &interpreter,
     BreakpointOptions *bp_options,
     CommandReturnObject &result
 )
 {
-    InputReaderSP reader_sp (new InputReader());
+    InputReaderSP reader_sp (new InputReader(interpreter.GetDebugger()));
     std::auto_ptr<BreakpointOptions::CommandData> data_ap(new BreakpointOptions::CommandData());
     if (reader_sp && data_ap.get())
     {
@@ -316,7 +316,7 @@
                                           true));                       // echo input
         if (err.Success())
         {
-            Debugger::GetSharedInstance().PushInputReader (reader_sp);
+            interpreter.GetDebugger().PushInputReader (reader_sp);
             result.SetStatus (eReturnStatusSuccessFinishNoResult);
         }
         else
@@ -337,13 +337,13 @@
 CommandObjectBreakpointCommandAdd::GenerateBreakpointCommandCallback
 (
     void *baton, 
-    InputReader *reader, 
+    InputReader &reader, 
     lldb::InputReaderAction notification,
     const char *bytes, 
     size_t bytes_len
 )
 {
-    FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
+    FILE *out_fh = reader.GetDebugger().GetOutputFileHandle();
 
     switch (notification)
     {
@@ -351,8 +351,8 @@
         if (out_fh)
         {
             ::fprintf (out_fh, "%s\n", g_reader_instructions);
-            if (reader->GetPrompt())
-                ::fprintf (out_fh, "%s", reader->GetPrompt());
+            if (reader.GetPrompt())
+                ::fprintf (out_fh, "%s", reader.GetPrompt());
         }
         break;
 
@@ -360,8 +360,8 @@
         break;
 
     case eInputReaderReactivate:
-        if (out_fh && reader->GetPrompt())
-            ::fprintf (out_fh, "%s", reader->GetPrompt());
+        if (out_fh && reader.GetPrompt())
+            ::fprintf (out_fh, "%s", reader.GetPrompt());
         break;
 
     case eInputReaderGotToken:
@@ -375,8 +375,8 @@
                     ((BreakpointOptions::CommandData *)bp_options_baton->m_data)->user_source.AppendString (bytes, bytes_len); 
             }
         }
-        if (out_fh && !reader->IsDone() && reader->GetPrompt())
-            ::fprintf (out_fh, "%s", reader->GetPrompt());
+        if (out_fh && !reader.IsDone() && reader.GetPrompt())
+            ::fprintf (out_fh, "%s", reader.GetPrompt());
         break;
         
     case eInputReaderDone:
@@ -403,12 +403,14 @@
 }
 
 bool
-CommandObjectBreakpointCommandRemove::Execute (Args& command,
-                                               CommandContext *context,
-                                               CommandInterpreter *interpreter,
-                                               CommandReturnObject &result)
+CommandObjectBreakpointCommandRemove::Execute 
+(
+    CommandInterpreter &interpreter,
+    Args& command,
+    CommandReturnObject &result
+)
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
 
     if (target == NULL)
     {
@@ -486,12 +488,14 @@
 }
 
 bool
-CommandObjectBreakpointCommandList::Execute (Args& command,
-                                             CommandContext *context,
-                                             CommandInterpreter *interpreter,
-                                             CommandReturnObject &result)
+CommandObjectBreakpointCommandList::Execute 
+(
+    CommandInterpreter &interpreter,
+    Args& command,
+    CommandReturnObject &result
+)
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
 
     if (target == NULL)
     {
@@ -587,7 +591,7 @@
 // CommandObjectBreakpointCommand
 //-------------------------------------------------------------------------
 
-CommandObjectBreakpointCommand::CommandObjectBreakpointCommand (CommandInterpreter *interpreter) :
+CommandObjectBreakpointCommand::CommandObjectBreakpointCommand (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("command",
                             "A set of commands for adding, removing and examining bits of code to be executed when the breakpoint is hit (breakpoint 'commmands').",
                             "command <sub-command> [<sub-command-options>] <breakpoint-id>")
@@ -601,9 +605,9 @@
     remove_command_object->SetCommandName ("breakpoint command remove");
     list_command_object->SetCommandName ("breakpoint command list");
 
-    status = LoadSubCommand (add_command_object, "add", interpreter);
-    status = LoadSubCommand (remove_command_object, "remove", interpreter);
-    status = LoadSubCommand (list_command_object, "list", interpreter);
+    status = LoadSubCommand (interpreter, "add",    add_command_object);
+    status = LoadSubCommand (interpreter, "remove", remove_command_object);
+    status = LoadSubCommand (interpreter, "list",   list_command_object);
 }
 
 
@@ -631,63 +635,61 @@
     if (commands.GetSize() > 0)
     {
         uint32_t num_commands = commands.GetSize();
-        CommandInterpreter &interpreter = Debugger::GetSharedInstance().GetCommandInterpreter();
         CommandReturnObject result;
-        ExecutionContext exe_ctx = context->context;
-        
-        FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-        FILE *err_fh = Debugger::GetSharedInstance().GetErrorFileHandle();
-            
-
-        uint32_t i;
-        for (i = 0; i < num_commands; ++i)
+        if (context->exe_ctx.target)
         {
-            
-            // First time through we use the context from the stoppoint, after that we use whatever
-            // has been set by the previous command.
-            
-            if (!interpreter.HandleCommand (commands.GetStringAtIndex(i), false, result, &exe_ctx))
-                break;
+        
+            Debugger &debugger = context->exe_ctx.target->GetDebugger();
+            CommandInterpreter &interpreter = debugger.GetCommandInterpreter();
+        
+            FILE *out_fh = debugger.GetOutputFileHandle();
+            FILE *err_fh = debugger.GetErrorFileHandle();
                 
-            // FIXME: This isn't really the right way to do this.  We should be able to peek at the public 
-            // to see if there is any new events, but that is racey, since the internal process thread has to run and
-            // deliver the event to the public queue before a run will show up.  So for now we check
-            // the internal thread state.
-            
-            lldb::StateType internal_state = exe_ctx.process->GetPrivateState();
-            if (internal_state != eStateStopped)
+            uint32_t i;
+            for (i = 0; i < num_commands; ++i)
             {
-                if (i < num_commands - 1)
+                
+                // First time through we use the context from the stoppoint, after that we use whatever
+                // has been set by the previous command.
+                
+                if (!interpreter.HandleCommand (commands.GetStringAtIndex(i), false, result, &context->exe_ctx))
+                    break;
+                    
+                // FIXME: This isn't really the right way to do this.  We should be able to peek at the public 
+                // to see if there is any new events, but that is racey, since the internal process thread has to run and
+                // deliver the event to the public queue before a run will show up.  So for now we check
+                // the internal thread state.
+                
+                lldb::StateType internal_state = context->exe_ctx.process->GetPrivateState();
+                if (internal_state != eStateStopped)
                 {
-                    if (out_fh)
-                        ::fprintf (out_fh, "Short-circuiting command execution because target state changed to %s."
-                                           " last command: \"%s\"\n", StateAsCString(internal_state),
-                                           commands.GetStringAtIndex(i));
+                    if (i < num_commands - 1)
+                    {
+                        if (out_fh)
+                            ::fprintf (out_fh, "Short-circuiting command execution because target state changed to %s."
+                                               " last command: \"%s\"\n", StateAsCString(internal_state),
+                                               commands.GetStringAtIndex(i));
+                    }
+                    break;
                 }
-                break;
+                
+                if (out_fh)
+                    ::fprintf (out_fh, "%s", result.GetErrorStream().GetData());
+                if (err_fh)
+                    ::fprintf (err_fh, "%s", result.GetOutputStream().GetData());
+                result.Clear();
+                result.SetStatus (eReturnStatusSuccessFinishNoResult);
             }
-            
-            // First time through we use the context from the stoppoint, after that we use whatever
-            // has been set by the previous command.
-            exe_ctx = Debugger::GetSharedInstance().GetCurrentExecutionContext();
 
-            
+            if (err_fh && !result.Succeeded() && i < num_commands)
+                ::fprintf (err_fh, "Attempt to execute '%s' failed.\n", commands.GetStringAtIndex(i));
+
             if (out_fh)
                 ::fprintf (out_fh, "%s", result.GetErrorStream().GetData());
+
             if (err_fh)
-                ::fprintf (err_fh, "%s", result.GetOutputStream().GetData());
-            result.Clear();
-            result.SetStatus (eReturnStatusSuccessFinishNoResult);
+                ::fprintf (err_fh, "%s", result.GetOutputStream().GetData());        
         }
-
-        if (err_fh && !result.Succeeded() && i < num_commands)
-            ::fprintf (err_fh, "Attempt to execute '%s' failed.\n", commands.GetStringAtIndex(i));
-
-        if (out_fh)
-            ::fprintf (out_fh, "%s", result.GetErrorStream().GetData());
-
-        if (err_fh)
-            ::fprintf (err_fh, "%s", result.GetOutputStream().GetData());        
     }
     return ret_value;
 }
diff --git a/source/Commands/CommandObjectBreakpointCommand.h b/source/Commands/CommandObjectBreakpointCommand.h
index 344ecce..fc59c77 100644
--- a/source/Commands/CommandObjectBreakpointCommand.h
+++ b/source/Commands/CommandObjectBreakpointCommand.h
@@ -34,7 +34,7 @@
 class CommandObjectBreakpointCommand : public CommandObjectMultiword
 {
 public:
-    CommandObjectBreakpointCommand (CommandInterpreter *interpreter);
+    CommandObjectBreakpointCommand (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectBreakpointCommand ();
@@ -62,21 +62,21 @@
     ~CommandObjectBreakpointCommandAdd ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual Options *
     GetOptions ();
 
     void
-    CollectDataForBreakpointCommandCallback (BreakpointOptions *bp_options, 
+    CollectDataForBreakpointCommandCallback (CommandInterpreter &interpreter,
+                                             BreakpointOptions *bp_options, 
                                              CommandReturnObject &result);
 
     static size_t
     GenerateBreakpointCommandCallback (void *baton, 
-                                       InputReader *reader, 
+                                       InputReader &reader, 
                                        lldb::InputReaderAction notification,
                                        const char *bytes, 
                                        size_t bytes_len);
@@ -134,9 +134,8 @@
     ~CommandObjectBreakpointCommandRemove ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 private:
@@ -155,9 +154,8 @@
     ~CommandObjectBreakpointCommandList ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 private:
diff --git a/source/Commands/CommandObjectCall.cpp b/source/Commands/CommandObjectCall.cpp
index 516ea03..a2cbc05 100644
--- a/source/Commands/CommandObjectCall.cpp
+++ b/source/Commands/CommandObjectCall.cpp
@@ -20,7 +20,7 @@
 #include "lldb/Expression/ClangFunction.h"
 #include "lldb/Host/Host.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/Variable.h"
@@ -128,23 +128,21 @@
 bool
 CommandObjectCall::Execute
 (
+    CommandInterpreter &interpreter,
     Args &command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
     ConstString target_triple;
     int num_args = command.GetArgumentCount();
 
-    Target *target = context->GetTarget ();
-    if (target)
-        target->GetTargetTriple(target_triple);
+    ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
+    if (exe_ctx.target)
+        exe_ctx.target->GetTargetTriple(target_triple);
 
     if (!target_triple)
         target_triple = Host::GetTargetTriple ();
 
-    ExecutionContext exe_ctx(context->GetExecutionContext());
     if (exe_ctx.thread == NULL || exe_ctx.frame == NULL)
     {
         result.AppendError ("No currently selected thread and frame.");
@@ -215,7 +213,7 @@
                 val.SetValueType (Value::eValueTypeHostAddress);
                 
                 
-                void *cstr_type = target->GetScratchClangASTContext()->GetCStringType(true);
+                void *cstr_type = exe_ctx.target->GetScratchClangASTContext()->GetCStringType(true);
                 val.SetContext (Value::eContextTypeOpaqueClangQualType, cstr_type);
                 value_list.PushValue(val);
                 
@@ -233,7 +231,7 @@
         // run it:
 
         StreamString errors;
-        ClangFunction clang_fun (target_triple.GetCString(), *target_fn, target->GetScratchClangASTContext(), value_list);
+        ClangFunction clang_fun (target_triple.GetCString(), *target_fn, exe_ctx.target->GetScratchClangASTContext(), value_list);
         if (m_options.noexecute)
         {
             // Now write down the argument values for this call.
diff --git a/source/Commands/CommandObjectCall.h b/source/Commands/CommandObjectCall.h
index 6cd09c4..1a5ae1d 100644
--- a/source/Commands/CommandObjectCall.h
+++ b/source/Commands/CommandObjectCall.h
@@ -66,9 +66,8 @@
 
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual bool
diff --git a/source/Commands/CommandObjectCrossref.cpp b/source/Commands/CommandObjectCrossref.cpp
index 27b6637..0d11369 100644
--- a/source/Commands/CommandObjectCrossref.cpp
+++ b/source/Commands/CommandObjectCrossref.cpp
@@ -40,9 +40,8 @@
 bool
 CommandObjectCrossref::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
diff --git a/source/Commands/CommandObjectDisassemble.cpp b/source/Commands/CommandObjectDisassemble.cpp
index 0716ff3..c2abeee 100644
--- a/source/Commands/CommandObjectDisassemble.cpp
+++ b/source/Commands/CommandObjectDisassemble.cpp
@@ -155,8 +155,7 @@
 void
 CommandObjectDisassemble::Disassemble
 (
-    CommandContext *context,
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     CommandReturnObject &result,
     Disassembler *disassembler,
     const SymbolContextList &sc_list
@@ -171,11 +170,11 @@
             break;
         if (sc.GetAddressRange(eSymbolContextFunction | eSymbolContextSymbol, range))
         {
-            lldb::addr_t addr = range.GetBaseAddress().GetLoadAddress(context->GetExecutionContext().process);
+            lldb::addr_t addr = range.GetBaseAddress().GetLoadAddress(interpreter.GetDebugger().GetExecutionContext().process);
             if (addr != LLDB_INVALID_ADDRESS)
             {
                 lldb::addr_t end_addr = addr + range.GetByteSize();
-                Disassemble (context, interpreter, result, disassembler, addr, end_addr);
+                Disassemble (interpreter, result, disassembler, addr, end_addr);
             }
         }
     }
@@ -184,8 +183,7 @@
 void
 CommandObjectDisassemble::Disassemble
 (
-    CommandContext *context,
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     CommandReturnObject &result,
     Disassembler *disassembler,
     lldb::addr_t addr,
@@ -198,7 +196,7 @@
     if (end_addr == LLDB_INVALID_ADDRESS || addr >= end_addr)
         end_addr = addr + DEFAULT_DISASM_BYTE_SIZE;
 
-    ExecutionContext exe_ctx (context->GetExecutionContext());
+    ExecutionContext exe_ctx (interpreter.GetDebugger().GetExecutionContext());
     DataExtractor data;
     size_t bytes_disassembled = disassembler->ParseInstructions (&exe_ctx, eAddressTypeLoad, addr, end_addr - addr, data);
     if (bytes_disassembled == 0)
@@ -225,7 +223,7 @@
                 lldb::addr_t curr_addr = addr + offset;
                 if (m_options.show_mixed)
                 {
-                    Process *process = context->GetExecutionContext().process;
+                    Process *process = interpreter.GetDebugger().GetExecutionContext().process;
                     if (!sc_range.ContainsLoadAddress (curr_addr, process))
                     {
                         prev_sc = sc;
@@ -248,7 +246,7 @@
                                         output_stream.EOL();
                                         if (sc.comp_unit && sc.line_entry.IsValid())
                                         {
-                                            interpreter->GetSourceManager().DisplaySourceLinesWithLineNumbers (
+                                            interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers (
                                                     sc.line_entry.file,
                                                     sc.line_entry.line,
                                                     m_options.num_lines_context,
@@ -286,13 +284,12 @@
 bool
 CommandObjectDisassemble::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    Target *target = context->GetTarget();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target == NULL)
     {
         result.AppendError ("invalid target, set executable file using 'file' command");
@@ -353,7 +350,7 @@
     } 
     else
     {
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         if (exe_ctx.frame)
         {
             SymbolContext sc(exe_ctx.frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextSymbol));
@@ -394,11 +391,11 @@
 
         if (target->GetImages().FindFunctions(name, sc_list))
         {
-            Disassemble (context, interpreter, result, disassembler, sc_list);
+            Disassemble (interpreter, result, disassembler, sc_list);
         }
         else if (target->GetImages().FindSymbolsWithNameAndType(name, eSymbolTypeCode, sc_list))
         {
-            Disassemble (context, interpreter, result, disassembler, sc_list);
+            Disassemble (interpreter, result, disassembler, sc_list);
         }
         else
         {
@@ -409,7 +406,7 @@
     }
     else
     {
-        Disassemble (context, interpreter, result, disassembler, addr, end_addr);
+        Disassemble (interpreter, result, disassembler, addr, end_addr);
     }
 
     return result.Succeeded();
diff --git a/source/Commands/CommandObjectDisassemble.h b/source/Commands/CommandObjectDisassemble.h
index 6fca748..830b102 100644
--- a/source/Commands/CommandObjectDisassemble.h
+++ b/source/Commands/CommandObjectDisassemble.h
@@ -67,25 +67,22 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 protected:
     CommandOptions m_options;
 
     void
-    Disassemble (CommandContext *context,
-                 CommandInterpreter *interpreter,
+    Disassemble (CommandInterpreter &interpreter,
                  CommandReturnObject &result,
                  Disassembler *disassembler,
                  lldb::addr_t addr,
                  lldb::addr_t end_addr);
 
     void
-    Disassemble (CommandContext *context,
-                 CommandInterpreter *interpreter,
+    Disassemble (CommandInterpreter &interpreter,
                  CommandReturnObject &result,
                  Disassembler *disassembler,
                  const SymbolContextList &sc_list);
diff --git a/source/Commands/CommandObjectExpression.cpp b/source/Commands/CommandObjectExpression.cpp
index 6e4efbf..38534f0 100644
--- a/source/Commands/CommandObjectExpression.cpp
+++ b/source/Commands/CommandObjectExpression.cpp
@@ -21,7 +21,8 @@
 #include "lldb/Expression/ClangExpressionVariable.h"
 #include "lldb/Expression/DWARFExpression.h"
 #include "lldb/Host/Host.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/Variable.h"
@@ -124,9 +125,8 @@
 bool
 CommandObjectExpression::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -138,24 +138,22 @@
 CommandObjectExpression::MultiLineExpressionCallback
 (
     void *baton, 
-    InputReader *reader, 
+    InputReader &reader, 
     lldb::InputReaderAction notification,
     const char *bytes, 
     size_t bytes_len
 )
 {
-    FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
     CommandObjectExpression *cmd_object_expr = (CommandObjectExpression *) baton;
 
     switch (notification)
     {
     case eInputReaderActivate:
-        if (out_fh)
-            ::fprintf (out_fh, "%s\n", "Enter expressions, then terminate with an empty line to evaluate:");
+        reader.GetDebugger().GetOutputStream().Printf("%s\n", "Enter expressions, then terminate with an empty line to evaluate:");
         // Fall through
     case eInputReaderReactivate:
         //if (out_fh)
-        //    ::fprintf (out_fh, "%3u: ", cmd_object_expr->m_expr_line_count);
+        //    reader.GetDebugger().GetOutputStream().Printf ("%3u: ", cmd_object_expr->m_expr_line_count);
         break;
 
     case eInputReaderDeactivate:
@@ -169,20 +167,18 @@
         }
 
         if (bytes_len == 0)
-            reader->SetIsDone(true);
+            reader.SetIsDone(true);
         //else if (out_fh && !reader->IsDone())
         //    ::fprintf (out_fh, "%3u: ", cmd_object_expr->m_expr_line_count);
         break;
         
     case eInputReaderDone:
         {
-            StreamFile out_stream(Debugger::GetSharedInstance().GetOutputFileHandle());
-            StreamFile err_stream(Debugger::GetSharedInstance().GetErrorFileHandle());
             bool bare = false;
             cmd_object_expr->EvaluateExpression (cmd_object_expr->m_expr_lines.c_str(), 
                                                  bare, 
-                                                 out_stream, 
-                                                 err_stream);
+                                                 reader.GetDebugger().GetOutputStream(), 
+                                                 reader.GetDebugger().GetErrorStream());
         }
         break;
     }
@@ -329,21 +325,20 @@
 bool
 CommandObjectExpression::ExecuteRawCommandString
 (
+    CommandInterpreter &interpreter,
     const char *command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
     ConstString target_triple;
-    Target *target = context->GetTarget ();
+    Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
     if (target)
         target->GetTargetTriple(target_triple);
 
     if (!target_triple)
         target_triple = Host::GetTargetTriple ();
 
-    ExecutionContext exe_ctx(context->GetExecutionContext());
+    ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
 
     Stream &output_stream = result.GetOutputStream();
 
@@ -356,18 +351,18 @@
         m_expr_lines.clear();
         m_expr_line_count = 0;
         
-        InputReaderSP reader_sp (new InputReader());
+        InputReaderSP reader_sp (new InputReader(interpreter.GetDebugger()));
         if (reader_sp)
         {
             Error err (reader_sp->Initialize (CommandObjectExpression::MultiLineExpressionCallback,
                                               this,                         // baton
                                               eInputReaderGranularityLine,  // token size, to pass to callback function
-                                              NULL,                       // end token
+                                              NULL,                         // end token
                                               NULL,                         // prompt
                                               true));                       // echo input
             if (err.Success())
             {
-                Debugger::GetSharedInstance().PushInputReader (reader_sp);
+                interpreter.GetDebugger().PushInputReader (reader_sp);
                 result.SetStatus (eReturnStatusSuccessFinishNoResult);
             }
             else
@@ -408,8 +403,8 @@
 
         if (end_options)
         {
-            Args args(command, end_options - command);
-            if (!ParseOptions(args, interpreter, result))
+            Args args (command, end_options - command);
+            if (!ParseOptions (interpreter, args, result))
                 return false;
         }
     }
diff --git a/source/Commands/CommandObjectExpression.h b/source/Commands/CommandObjectExpression.h
index 084a87b..1959ecb 100644
--- a/source/Commands/CommandObjectExpression.h
+++ b/source/Commands/CommandObjectExpression.h
@@ -65,25 +65,23 @@
 
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual bool
     WantsRawCommandString() { return true; }
 
     virtual bool
-    ExecuteRawCommandString (const char *command,
-                             CommandContext *context,
-                             CommandInterpreter *interpreter,
+    ExecuteRawCommandString (CommandInterpreter &interpreter,
+                             const char *command,
                              CommandReturnObject &result);
 
 protected:
 
     static size_t
     MultiLineExpressionCallback (void *baton, 
-                                 InputReader *reader, 
+                                 InputReader &reader, 
                                  lldb::InputReaderAction notification,
                                  const char *bytes, 
                                  size_t bytes_len);
diff --git a/source/Commands/CommandObjectFile.cpp b/source/Commands/CommandObjectFile.cpp
index af7e2fe..bdaf67c 100644
--- a/source/Commands/CommandObjectFile.cpp
+++ b/source/Commands/CommandObjectFile.cpp
@@ -16,7 +16,7 @@
 #include "lldb/Interpreter/Args.h"
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Timer.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/Process.h"
@@ -104,9 +104,8 @@
 bool
 CommandObjectFile::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -135,8 +134,8 @@
             if (!arch.IsValid())
                 arch = LLDB_ARCH_DEFAULT;
         }
-
-        Error error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file_spec, arch, NULL, true, target_sp);
+        Debugger &debugger = interpreter.GetDebugger();
+        Error error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);
 
         if (error.Fail() && !m_options.m_arch.IsValid())
         {
@@ -144,12 +143,12 @@
                 arch = LLDB_ARCH_DEFAULT_64BIT;
             else
                 arch = LLDB_ARCH_DEFAULT_32BIT;
-            error = Debugger::GetSharedInstance().GetTargetList().CreateTarget (file_spec, arch, NULL, true, target_sp);
+            error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);
         }
 
         if (target_sp)
         {
-            Debugger::GetSharedInstance().GetTargetList().SetCurrentTarget(target_sp.get());
+            debugger.GetTargetList().SetCurrentTarget(target_sp.get());
             result.AppendMessageWithFormat ("Current executable set to '%s' (%s).\n", file_path, arch.AsCString());
             result.SetStatus (eReturnStatusSuccessFinishNoResult);
         }
diff --git a/source/Commands/CommandObjectFile.h b/source/Commands/CommandObjectFile.h
index 527dc21..23f4761 100644
--- a/source/Commands/CommandObjectFile.h
+++ b/source/Commands/CommandObjectFile.h
@@ -34,9 +34,8 @@
     ~CommandObjectFile ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual Options *
diff --git a/source/Commands/CommandObjectFrame.cpp b/source/Commands/CommandObjectFrame.cpp
index 7eab3fe..e2c52a6 100644
--- a/source/Commands/CommandObjectFrame.cpp
+++ b/source/Commands/CommandObjectFrame.cpp
@@ -16,7 +16,7 @@
 #include "lldb/Interpreter/Args.h"
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Timer.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/Process.h"
@@ -51,12 +51,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         if (exe_ctx.frame)
         {
             exe_ctx.frame->Dump (&result.GetOutputStream(), true);
@@ -95,12 +94,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        ExecutionContext exe_ctx (context->GetExecutionContext());
+        ExecutionContext exe_ctx (interpreter.GetDebugger().GetExecutionContext());
         if (exe_ctx.thread)
         {
             if (command.GetArgumentCount() == 1)
@@ -156,13 +154,13 @@
 // CommandObjectMultiwordFrame
 //-------------------------------------------------------------------------
 
-CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter *interpreter) :
+CommandObjectMultiwordFrame::CommandObjectMultiwordFrame (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("frame",
                             "A set of commands for operating on the current thread's frames.",
                             "frame <subcommand> [<subcommand-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectFrameInfo ()), "info", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectFrameSelect ()), "select", interpreter);
+    LoadSubCommand (interpreter, "info",   CommandObjectSP (new CommandObjectFrameInfo ()));
+    LoadSubCommand (interpreter, "select", CommandObjectSP (new CommandObjectFrameSelect ()));
 }
 
 CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame ()
diff --git a/source/Commands/CommandObjectFrame.h b/source/Commands/CommandObjectFrame.h
index f7077af..ea7c808 100644
--- a/source/Commands/CommandObjectFrame.h
+++ b/source/Commands/CommandObjectFrame.h
@@ -28,7 +28,7 @@
 {
 public:
 
-    CommandObjectMultiwordFrame (CommandInterpreter *interpreter);
+    CommandObjectMultiwordFrame (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMultiwordFrame ();
diff --git a/source/Commands/CommandObjectHelp.cpp b/source/Commands/CommandObjectHelp.cpp
index ac1046e..8a037e9 100644
--- a/source/Commands/CommandObjectHelp.cpp
+++ b/source/Commands/CommandObjectHelp.cpp
@@ -38,133 +38,29 @@
 
 
 bool
-CommandObjectHelp::OldExecute
-(
-    Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
-    CommandReturnObject &result
-)
-{
-    CommandObject::CommandMap::iterator pos;
-    CommandObject *cmd_obj;
-
-    const int argc = command.GetArgumentCount();
-    if (argc > 0)
-    {
-        cmd_obj = interpreter->GetCommandObject (command.GetArgumentAtIndex(0), false, false);
-        if (cmd_obj == NULL)
-        {
-            cmd_obj = interpreter->GetCommandObject (command.GetArgumentAtIndex(0), true, false);
-            if (cmd_obj != NULL)
-            {
-                StreamString alias_help_str;
-                interpreter->GetAliasHelp (command.GetArgumentAtIndex(0), cmd_obj->GetCommandName(), alias_help_str);
-                result.AppendMessageWithFormat ("'%s' is an alias for %s.\n", command.GetArgumentAtIndex (0),
-                                               alias_help_str.GetData());
-            }
-        }
-
-        if (cmd_obj)
-        {
-            Stream &output_strm = result.GetOutputStream();
-            if (cmd_obj->GetOptions() != NULL)
-            {
-                const char * long_help = cmd_obj->GetHelpLong();
-                if ((long_help!= NULL)
-                    && strlen (long_help) > 0)
-                    output_strm.Printf ("\n%s", cmd_obj->GetHelpLong());
-                else
-                    output_strm.Printf ("\n%s\n", cmd_obj->GetHelp());
-                output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
-                cmd_obj->GetOptions()->GenerateOptionUsage (output_strm, cmd_obj);
-            }
-            else if (cmd_obj->IsMultiwordObject())
-            {
-                bool done = false;
-                if (argc > 1)
-                {
-                    CommandObject::CommandMap::iterator pos;
-                    std::string sub_command = command.GetArgumentAtIndex(1);
-                    pos = ((CommandObjectMultiword *) cmd_obj)->m_subcommand_dict.find(sub_command);
-                    if (pos != ((CommandObjectMultiword *) cmd_obj)->m_subcommand_dict.end())
-                    {
-                        CommandObject *sub_cmd_obj = pos->second.get();
-                        if (sub_cmd_obj->GetOptions() != NULL)
-                        {
-                            output_strm.Printf ("\n%s\n", sub_cmd_obj->GetHelp());
-                            output_strm.Printf ("\nSyntax: %s\n", sub_cmd_obj->GetSyntax());
-                            sub_cmd_obj->GetOptions()->GenerateOptionUsage (output_strm, sub_cmd_obj);
-                            done = true;
-                        }
-                        else
-                        {
-                            output_strm.Printf ("\n%s\n", sub_cmd_obj->GetHelp());
-                            output_strm.Printf ("\nSyntax: %s\n", sub_cmd_obj->GetSyntax());
-                            done = true;
-                        }
-                    }
-                }
-                if (!done)
-                {
-                    output_strm.Printf ("%s\n", cmd_obj->GetHelp());
-                    ((CommandObjectMultiword *) cmd_obj)->GenerateHelpText (result, interpreter);
-                }
-            }
-            else
-            {
-                const char *long_help = cmd_obj->GetHelpLong();
-                if ((long_help != NULL)
-                    && (strlen (long_help) > 0))
-                    output_strm.Printf ("\n%s", cmd_obj->GetHelpLong());
-                else
-                    output_strm.Printf ("\n%s\n", cmd_obj->GetHelp());
-                output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
-            }
-            result.SetStatus (eReturnStatusSuccessFinishNoResult);
-        }
-        else
-        {
-            result.AppendErrorWithFormat
-            ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
-             command.GetArgumentAtIndex(0));
-            result.SetStatus (eReturnStatusFailed);
-        }
-    }
-    else
-    {
-        result.SetStatus (eReturnStatusSuccessFinishNoResult);
-        interpreter->GetHelp(result);
-    }
-    return result.Succeeded();
-}
-
-bool
-CommandObjectHelp::Execute (Args &command, CommandContext *context, CommandInterpreter *interpreter, 
-                            CommandReturnObject &result)
+CommandObjectHelp::Execute (CommandInterpreter &interpreter, Args& command, CommandReturnObject &result)
 {
     CommandObject::CommandMap::iterator pos;
     CommandObject *cmd_obj;
     const int argc = command.GetArgumentCount ();
-
+    
     // 'help' doesn't take any options or arguments, other than command names.  If argc is 0, we show the user
     // all commands and aliases.  Otherwise every argument must be the name of a command or a sub-command.
-
     if (argc == 0)
     {
         result.SetStatus (eReturnStatusSuccessFinishNoResult);
-        interpreter->GetHelp (result);  // General help, for ALL commands.
+        interpreter.GetHelp (result);  // General help, for ALL commands.
     }
     else
     {
         // Get command object for the first command argument. Only search built-in command dictionary.
-        cmd_obj = interpreter->GetCommandObject (command.GetArgumentAtIndex (0), false, false);
+        cmd_obj = interpreter.GetCommandObject (command.GetArgumentAtIndex (0), false, false);
         if (cmd_obj == NULL)
-          {
+        {
             // That failed, so now search in the aliases dictionary, too.
-            cmd_obj = interpreter->GetCommandObject (command.GetArgumentAtIndex (0), true, false);
-          }
-
+            cmd_obj = interpreter.GetCommandObject (command.GetArgumentAtIndex (0), true, false);
+        }
+        
         if (cmd_obj != NULL)
         {
             bool all_okay = true;
@@ -182,19 +78,19 @@
                 {
                     pos = ((CommandObjectMultiword *) sub_cmd_obj)->m_subcommand_dict.find (sub_command);
                     if (pos != ((CommandObjectMultiword *) sub_cmd_obj)->m_subcommand_dict.end())
-                      sub_cmd_obj = pos->second.get();
+                        sub_cmd_obj = pos->second.get();
                     else
-                      all_okay = false;
+                        all_okay = false;
                 }
             }
-
+            
             if (!all_okay || (sub_cmd_obj == NULL))
             {
                 std::string cmd_string;
                 command.GetCommandString (cmd_string);
                 result.AppendErrorWithFormat
-                                      ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
-                                       cmd_string.c_str());
+                ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
+                 cmd_string.c_str());
                 result.SetStatus (eReturnStatusFailed);
             }
             else
@@ -208,59 +104,59 @@
                     const char *long_help = sub_cmd_obj->GetHelpLong();
                     if ((long_help != NULL)
                         && (strlen (long_help) > 0))
-                      output_strm.Printf ("\n%s", long_help);
+                        output_strm.Printf ("\n%s", long_help);
                 }
                 else if (sub_cmd_obj->IsMultiwordObject())
                 {
                     output_strm.Printf ("%s\n", sub_cmd_obj->GetHelp());
-                    ((CommandObjectMultiword *) sub_cmd_obj)->GenerateHelpText (result, interpreter);
+                    ((CommandObjectMultiword *) sub_cmd_obj)->GenerateHelpText (interpreter, result);
                 }
                 else
                 {
-                  const char *long_help = sub_cmd_obj->GetHelpLong();
-                  if ((long_help != NULL)
-                      && (strlen (long_help) > 0))
-                    output_strm.Printf ("%s", long_help);
-                  else
-                    output_strm.Printf ("%s\n", sub_cmd_obj->GetHelp());
-                  output_strm.Printf ("\nSyntax: %s\n", sub_cmd_obj->GetSyntax());
+                    const char *long_help = sub_cmd_obj->GetHelpLong();
+                    if ((long_help != NULL)
+                        && (strlen (long_help) > 0))
+                        output_strm.Printf ("%s", long_help);
+                    else
+                        output_strm.Printf ("%s\n", sub_cmd_obj->GetHelp());
+                    output_strm.Printf ("\nSyntax: %s\n", sub_cmd_obj->GetSyntax());
                 }
             }
         }
         else
         {
             result.AppendErrorWithFormat 
-                                      ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
-                                       command.GetArgumentAtIndex(0));
+            ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
+             command.GetArgumentAtIndex(0));
             result.SetStatus (eReturnStatusFailed);
         }
     }
-
+    
     return result.Succeeded();
 }
 
 int
 CommandObjectHelp::HandleCompletion
 (
+    CommandInterpreter &interpreter,
     Args &input,
     int &cursor_index,
     int &cursor_char_position,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 )
 {
     // Return the completions of the commands in the help system:
     if (cursor_index == 0)
     {
-        return interpreter->HandleCompletionMatches(input, cursor_index, cursor_char_position, match_start_point, max_return_elements, matches);
+        return interpreter.HandleCompletionMatches(input, cursor_index, cursor_char_position, match_start_point, max_return_elements, matches);
     }
     else
     {
-        CommandObject *cmd_obj = interpreter->GetCommandObject (input.GetArgumentAtIndex(0), true, false);
+        CommandObject *cmd_obj = interpreter.GetCommandObject (input.GetArgumentAtIndex(0), true, false);
         input.Shift();
         cursor_index--;
-        return cmd_obj->HandleCompletion (input, cursor_index, cursor_char_position, match_start_point, max_return_elements, interpreter, matches);
+        return cmd_obj->HandleCompletion (interpreter, input, cursor_index, cursor_char_position, match_start_point, max_return_elements, matches);
     }
 }
diff --git a/source/Commands/CommandObjectHelp.h b/source/Commands/CommandObjectHelp.h
index a8084aa..881b67d 100644
--- a/source/Commands/CommandObjectHelp.h
+++ b/source/Commands/CommandObjectHelp.h
@@ -31,25 +31,18 @@
     virtual
     ~CommandObjectHelp ();
 
-    bool
-    OldExecute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
-    
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual int
-    HandleCompletion (Args &input,
+    HandleCompletion (CommandInterpreter &interpreter,
+                      Args &input,
                       int &cursor_index,
                       int &cursor_char_position,
                       int match_start_point,
                       int max_return_elements,
-                      CommandInterpreter *interpreter,
                       StringList &matches);
 
 };
diff --git a/source/Commands/CommandObjectImage.cpp b/source/Commands/CommandObjectImage.cpp
index d9c40e5..38a04ec 100644
--- a/source/Commands/CommandObjectImage.cpp
+++ b/source/Commands/CommandObjectImage.cpp
@@ -13,21 +13,22 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Interpreter/Args.h"
-#include "lldb/Interpreter/CommandContext.h"
-#include "lldb/Interpreter/Options.h"
-#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Core/FileSpec.h"
-#include "lldb/Symbol/LineTable.h"
-#include "lldb/Symbol/ObjectFile.h"
+#include "lldb/Core/Module.h"
 #include "lldb/Core/RegularExpression.h"
 #include "lldb/Core/Stream.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Interpreter/Options.h"
+#include "lldb/Interpreter/CommandCompletions.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Symbol/LineTable.h"
+#include "lldb/Symbol/ObjectFile.h"
 #include "lldb/Symbol/SymbolFile.h"
 #include "lldb/Symbol/SymbolVendor.h"
-#include "lldb/Core/Module.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/Target.h"
-#include "lldb/Interpreter/CommandCompletions.h"
 
 using namespace lldb;
 using namespace lldb_private;
@@ -56,7 +57,7 @@
 static uint32_t
 DumpCompileUnitLineTable
 (
-    CommandContext *context,
+    CommandInterpreter &interpreter,
     Stream &strm,
     Module *module,
     const FileSpec &file_spec,
@@ -85,7 +86,9 @@
                      << module->GetFileSpec().GetFilename() << "\n";
                 LineTable *line_table = sc.comp_unit->GetLineTable();
                 if (line_table)
-                    line_table->GetDescription (&strm, context->GetExecutionContext().process, lldb::eDescriptionLevelBrief);
+                    line_table->GetDescription (&strm, 
+                                                interpreter.GetDebugger().GetExecutionContext().process, 
+                                                lldb::eDescriptionLevelBrief);
                 else
                     strm << "No line table";
             }
@@ -153,7 +156,7 @@
 
 
 static void
-DumpModuleSymtab (CommandContext *context, Stream &strm, Module *module)
+DumpModuleSymtab (CommandInterpreter &interpreter, Stream &strm, Module *module)
 {
     if (module)
     {
@@ -162,13 +165,13 @@
         {
             Symtab *symtab = objfile->GetSymtab();
             if (symtab)
-                symtab->Dump(&strm, context->GetExecutionContext().process);
+                symtab->Dump(&strm, interpreter.GetDebugger().GetExecutionContext().process);
         }
     }
 }
 
 static void
-DumpModuleSections (CommandContext *context, Stream &strm, Module *module)
+DumpModuleSections (CommandInterpreter &interpreter, Stream &strm, Module *module)
 {
     if (module)
     {
@@ -177,7 +180,7 @@
         {
             SectionList *section_list = objfile->GetSectionList();
             if (section_list)
-                section_list->Dump(&strm, context->GetExecutionContext().process, true);
+                section_list->Dump(&strm, interpreter.GetDebugger().GetExecutionContext().process, true);
         }
     }
 }
@@ -198,14 +201,14 @@
 }
 
 static bool
-LookupAddressInModule (CommandContext *context, Stream &strm, Module *module, uint32_t resolve_mask, lldb::addr_t raw_addr, lldb::addr_t offset)
+LookupAddressInModule (CommandInterpreter &interpreter, Stream &strm, Module *module, uint32_t resolve_mask, lldb::addr_t raw_addr, lldb::addr_t offset)
 {
     if (module)
     {
         lldb::addr_t addr = raw_addr - offset;
         Address so_addr;
         SymbolContext sc;
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process && process->IsAlive())
         {
             if (!process->ResolveLoadAddress (addr, so_addr))
@@ -223,7 +226,7 @@
         if (offset)
             strm.Printf("0x%llx: ", addr);
 
-        ExecutionContextScope *exe_scope = context->GetExecutionContext().GetBestExecutionContextScope();
+        ExecutionContextScope *exe_scope = interpreter.GetDebugger().GetExecutionContext().GetBestExecutionContextScope();
         if (so_addr.Dump (&strm, exe_scope, Address::DumpStyleSectionNameOffset))
             strm.PutCString(": ");
         so_addr.Dump (&strm, exe_scope, Address::DumpStyleResolvedDescription);
@@ -234,7 +237,7 @@
 }
 
 static uint32_t
-LookupSymbolInModule (CommandContext *context, Stream &strm, Module *module, const char *name, bool name_is_regex)
+LookupSymbolInModule (CommandInterpreter &interpreter, Stream &strm, Module *module, const char *name, bool name_is_regex)
 {
     if (module)
     {
@@ -275,7 +278,7 @@
                     {
                         Symbol *symbol = symtab->SymbolAtIndex(match_indexes[i]);
                         strm.Indent ();
-                        symbol->Dump (&strm, context->GetExecutionContext().process, i);
+                        symbol->Dump (&strm, interpreter.GetDebugger().GetExecutionContext().process, i);
                     }
                     strm.IndentLess ();
                     return num_matches;
@@ -288,7 +291,7 @@
 
 
 static void
-DumpSymbolContextList (CommandContext *context, Stream &strm, SymbolContextList &sc_list, bool prepend_addr)
+DumpSymbolContextList (CommandInterpreter &interpreter, Stream &strm, SymbolContextList &sc_list, bool prepend_addr)
 {
     strm.IndentMore ();
     uint32_t i;
@@ -305,9 +308,9 @@
                 if (sc.line_entry.range.GetBaseAddress().IsValid())
                 {
                     lldb::addr_t vm_addr =
-                                      sc.line_entry.range.GetBaseAddress().GetLoadAddress(context->GetExecutionContext().process);
+                                      sc.line_entry.range.GetBaseAddress().GetLoadAddress(interpreter.GetDebugger().GetExecutionContext().process);
                     int addr_size = sizeof (addr_t);
-                    Process *process = context->GetExecutionContext().process;
+                    Process *process = interpreter.GetDebugger().GetExecutionContext().process;
                     if (process)
                         addr_size = process->GetAddressByteSize();
                     if (vm_addr != LLDB_INVALID_ADDRESS)
@@ -318,14 +321,14 @@
                     strm.PutCString(" in ");
                 }
             }
-            sc.DumpStopContext(&strm, context->GetExecutionContext().process, sc.line_entry.range.GetBaseAddress());
+            sc.DumpStopContext(&strm, interpreter.GetDebugger().GetExecutionContext().process, sc.line_entry.range.GetBaseAddress());
         }
     }
     strm.IndentLess ();
 }
 
 static uint32_t
-LookupFunctionInModule (CommandContext *context, Stream &strm, Module *module, const char *name, bool name_is_regex)
+LookupFunctionInModule (CommandInterpreter &interpreter, Stream &strm, Module *module, const char *name, bool name_is_regex)
 {
     if (module && name && name[0])
     {
@@ -353,7 +356,7 @@
                 strm.Printf("%u match%s found in ", num_matches, num_matches > 1 ? "es" : "");
                 DumpFullpath (strm, &module->GetFileSpec(), 0);
                 strm.PutCString(":\n");
-                DumpSymbolContextList (context, strm, sc_list, true);
+                DumpSymbolContextList (interpreter, strm, sc_list, true);
             }
             return num_matches;
         }
@@ -362,7 +365,7 @@
 }
 
 static uint32_t
-LookupFileAndLineInModule (CommandContext *context, Stream &strm, Module *module, const FileSpec &file_spec, uint32_t line, bool check_inlines)
+LookupFileAndLineInModule (CommandInterpreter &interpreter, Stream &strm, Module *module, const FileSpec &file_spec, uint32_t line, bool check_inlines)
 {
     if (module && file_spec)
     {
@@ -379,7 +382,7 @@
             strm << " in ";
             DumpFullpath (strm, &module->GetFileSpec(), 0);
             strm.PutCString(":\n");
-            DumpSymbolContextList (context, strm, sc_list, true);
+            DumpSymbolContextList (interpreter, strm, sc_list, true);
             return num_matches;
         }
     }
@@ -397,8 +400,8 @@
 public:
 
     CommandObjectImageDumpModuleList (const char *name,
-                   const char *help,
-                   const char *syntax) :
+                                      const char *help,
+                                      const char *syntax) :
         CommandObject (name, help, syntax)
     {
     }
@@ -409,26 +412,26 @@
     }
 
     virtual int
-    HandleArgumentCompletion (Args &input,
-                      int &cursor_index,
-                      int &cursor_char_position,
-                      OptionElementVector &opt_element_vector,
-                      int match_start_point,
-                      int max_return_elements,
-                      CommandInterpreter *interpreter,
-                      StringList &matches)
+    HandleArgumentCompletion (CommandInterpreter &interpreter,
+                              Args &input,
+                              int &cursor_index,
+                              int &cursor_char_position,
+                              OptionElementVector &opt_element_vector,
+                              int match_start_point,
+                              int max_return_elements,
+                              StringList &matches)
     {
         // Arguments are the standard module completer.
         std::string completion_str (input.GetArgumentAtIndex(cursor_index));
         completion_str.erase (cursor_char_position);
 
-        CommandCompletions::InvokeCommonCompletionCallbacks (CommandCompletions::eModuleCompletion,
-                                         completion_str.c_str(),
-                                         match_start_point,
-                                         max_return_elements,
-                                         interpreter,
-                                         NULL,
-                                         matches);
+        CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
+                                                             CommandCompletions::eModuleCompletion,
+                                                             completion_str.c_str(),
+                                                             match_start_point,
+                                                             max_return_elements,
+                                                             NULL,
+                                                             matches);
         return matches.GetSize();
     }
 };
@@ -438,8 +441,8 @@
 public:
 
     CommandObjectImageDumpSourceFileList (const char *name,
-                   const char *help,
-                   const char *syntax) :
+                                          const char *help,
+                                          const char *syntax) :
         CommandObject (name, help, syntax)
     {
     }
@@ -450,26 +453,26 @@
     }
 
     virtual int
-    HandleArgumentCompletion (Args &input,
-                      int &cursor_index,
-                      int &cursor_char_position,
-                      OptionElementVector &opt_element_vector,
-                      int match_start_point,
-                      int max_return_elements,
-                      CommandInterpreter *interpreter,
-                      StringList &matches)
+    HandleArgumentCompletion (CommandInterpreter &interpreter,
+                              Args &input,
+                              int &cursor_index,
+                              int &cursor_char_position,
+                              OptionElementVector &opt_element_vector,
+                              int match_start_point,
+                              int max_return_elements,
+                              StringList &matches)
     {
         // Arguments are the standard source file completer.
         std::string completion_str (input.GetArgumentAtIndex(cursor_index));
         completion_str.erase (cursor_char_position);
 
-        CommandCompletions::InvokeCommonCompletionCallbacks (CommandCompletions::eSourceFileCompletion,
-                                         completion_str.c_str(),
-                                         match_start_point,
-                                         max_return_elements,
-                                         interpreter,
-                                         NULL,
-                                         matches);
+        CommandCompletions::InvokeCommonCompletionCallbacks (interpreter, 
+                                                             CommandCompletions::eSourceFileCompletion,
+                                                             completion_str.c_str(),
+                                                             match_start_point,
+                                                             max_return_elements,
+                                                             NULL,
+                                                             matches);
         return matches.GetSize();
     }
 };
@@ -491,12 +494,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -521,7 +523,7 @@
                     for (uint32_t image_idx = 0;  image_idx<num_modules; ++image_idx)
                     {
                         num_dumped++;
-                        DumpModuleSymtab (context, result.GetOutputStream(), target->GetImages().GetModulePointerAtIndex(image_idx));
+                        DumpModuleSymtab (interpreter, result.GetOutputStream(), target->GetImages().GetModulePointerAtIndex(image_idx));
                     }
                 }
                 else
@@ -549,7 +551,7 @@
                             if (image_module)
                             {
                                 num_dumped++;
-                                DumpModuleSymtab (context, result.GetOutputStream(), image_module);
+                                DumpModuleSymtab (interpreter, result.GetOutputStream(), image_module);
                             }
                         }
                     }
@@ -578,10 +580,9 @@
 {
 public:
     CommandObjectImageDumpSections () :
-        CommandObjectImageDumpModuleList (
-                "image dump sections",
-                "Dump the sections from one or more executable images.",
-                "image dump sections [<file1> ...]")
+        CommandObjectImageDumpModuleList ("image dump sections",
+                                          "Dump the sections from one or more executable images.",
+                                          "image dump sections [<file1> ...]")
     {
     }
 
@@ -591,12 +592,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -621,7 +621,7 @@
                     for (uint32_t image_idx = 0;  image_idx<num_modules; ++image_idx)
                     {
                         num_dumped++;
-                        DumpModuleSections (context, result.GetOutputStream(), target->GetImages().GetModulePointerAtIndex(image_idx));
+                        DumpModuleSections (interpreter, result.GetOutputStream(), target->GetImages().GetModulePointerAtIndex(image_idx));
                     }
                 }
                 else
@@ -649,7 +649,7 @@
                             if (image_module)
                             {
                                 num_dumped++;
-                                DumpModuleSections (context, result.GetOutputStream(), image_module);
+                                DumpModuleSections (interpreter, result.GetOutputStream(), image_module);
                             }
                         }
                     }
@@ -689,12 +689,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -787,12 +786,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -801,7 +799,7 @@
         }
         else
         {
-            ExecutionContext exe_ctx(context->GetExecutionContext());
+            ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
             uint32_t total_num_dumped = 0;
 
             uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize();
@@ -826,7 +824,7 @@
                         uint32_t num_dumped = 0;
                         for (uint32_t i = 0; i<num_modules; ++i)
                         {
-                            if (DumpCompileUnitLineTable (context,
+                            if (DumpCompileUnitLineTable (interpreter,
                                                           result.GetOutputStream(),
                                                           target->GetImages().GetModulePointerAtIndex(i),
                                                           file_spec,
@@ -863,15 +861,15 @@
     //------------------------------------------------------------------
     // Constructors and Destructors
     //------------------------------------------------------------------
-    CommandObjectImageDump(CommandInterpreter *interpreter) :
+    CommandObjectImageDump(CommandInterpreter &interpreter) :
         CommandObjectMultiword ("image dump",
-                                  "Dumps information in one or more executable images; 'line-table' expects a source file name",
-                                  "image dump [symtab|sections|symfile|line-table] [<file1> <file2> ...]")
+                                "Dumps information in one or more executable images; 'line-table' expects a source file name",
+                                "image dump [symtab|sections|symfile|line-table] [<file1> <file2> ...]")
     {
-        LoadSubCommand (CommandObjectSP (new CommandObjectImageDumpSymtab ()), "symtab", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectImageDumpSections ()), "sections", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectImageDumpSymfile ()), "symfile", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectImageDumpLineTable ()), "line-table", interpreter);
+        LoadSubCommand (interpreter, "symtab",      CommandObjectSP (new CommandObjectImageDumpSymtab ()));
+        LoadSubCommand (interpreter, "sections",    CommandObjectSP (new CommandObjectImageDumpSections ()));
+        LoadSubCommand (interpreter, "symfile",     CommandObjectSP (new CommandObjectImageDumpSymfile ()));
+        LoadSubCommand (interpreter, "line-table",  CommandObjectSP (new CommandObjectImageDumpLineTable ()));
     }
 
     virtual
@@ -957,12 +955,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -1223,14 +1220,14 @@
 
 
     bool
-    LookupInModule (CommandContext *context, Module *module, CommandReturnObject &result, bool &syntax_error)
+    LookupInModule (CommandInterpreter &interpreter, Module *module, CommandReturnObject &result, bool &syntax_error)
     {
         switch (m_options.m_type)
         {
         case eLookupTypeAddress:
             if (m_options.m_addr != LLDB_INVALID_ADDRESS)
             {
-                if (LookupAddressInModule (context, result.GetOutputStream(), module, eSymbolContextEverything, m_options.m_addr, m_options.m_offset))
+                if (LookupAddressInModule (interpreter, result.GetOutputStream(), module, eSymbolContextEverything, m_options.m_addr, m_options.m_offset))
                 {
                     result.SetStatus(eReturnStatusSuccessFinishResult);
                     return true;
@@ -1241,7 +1238,7 @@
         case eLookupTypeSymbol:
             if (!m_options.m_str.empty())
             {
-                if (LookupSymbolInModule (context, result.GetOutputStream(), module, m_options.m_str.c_str(), m_options.m_use_regex))
+                if (LookupSymbolInModule (interpreter, result.GetOutputStream(), module, m_options.m_str.c_str(), m_options.m_use_regex))
                 {
                     result.SetStatus(eReturnStatusSuccessFinishResult);
                     return true;
@@ -1253,7 +1250,7 @@
             if (m_options.m_file)
             {
 
-                if (LookupFileAndLineInModule (context,
+                if (LookupFileAndLineInModule (interpreter,
                                                result.GetOutputStream(),
                                                module,
                                                m_options.m_file,
@@ -1269,7 +1266,7 @@
         case eLookupTypeFunction:
             if (!m_options.m_str.empty())
             {
-                if (LookupFunctionInModule (context,
+                if (LookupFunctionInModule (interpreter,
                                             result.GetOutputStream(),
                                             module,
                                             m_options.m_str.c_str(),
@@ -1292,12 +1289,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -1322,7 +1318,7 @@
                 {
                     for (i = 0; i<num_modules && syntax_error == false; ++i)
                     {
-                        if (LookupInModule (context, target->GetImages().GetModulePointerAtIndex(i), result, syntax_error))
+                        if (LookupInModule (interpreter, target->GetImages().GetModulePointerAtIndex(i), result, syntax_error))
                         {
                             result.GetOutputStream().EOL();
                             num_successful_lookups++;
@@ -1353,7 +1349,7 @@
                             Module * image_module = matching_modules.GetModulePointerAtIndex(i);
                             if (image_module)
                             {
-                                if (LookupInModule (context, image_module, result, syntax_error))
+                                if (LookupInModule (interpreter, image_module, result, syntax_error))
                                 {
                                     result.GetOutputStream().EOL();
                                     num_successful_lookups++;
@@ -1399,14 +1395,14 @@
 //----------------------------------------------------------------------
 // CommandObjectImage constructor
 //----------------------------------------------------------------------
-CommandObjectImage::CommandObjectImage(CommandInterpreter *interpreter) :
+CommandObjectImage::CommandObjectImage(CommandInterpreter &interpreter) :
     CommandObjectMultiword ("image",
-                              "Access information for one or more executable images.",
-                              "image [dump|list] ...")
+                            "Access information for one or more executable images.",
+                            "image [dump|list] ...")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectImageDump (interpreter)), "dump", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectImageList ()), "list", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectImageLookup ()), "lookup", interpreter);
+    LoadSubCommand (interpreter, "dump",    CommandObjectSP (new CommandObjectImageDump (interpreter)));
+    LoadSubCommand (interpreter, "list",    CommandObjectSP (new CommandObjectImageList ()));
+    LoadSubCommand (interpreter, "lookup",  CommandObjectSP (new CommandObjectImageLookup ()));
 }
 
 //----------------------------------------------------------------------
diff --git a/source/Commands/CommandObjectImage.h b/source/Commands/CommandObjectImage.h
index 8863a36..9394aeb 100644
--- a/source/Commands/CommandObjectImage.h
+++ b/source/Commands/CommandObjectImage.h
@@ -28,7 +28,8 @@
     //------------------------------------------------------------------
     // Constructors and Destructors
     //------------------------------------------------------------------
-    CommandObjectImage(CommandInterpreter *interpreter);
+    CommandObjectImage(CommandInterpreter &interpreter);
+
     virtual
     ~CommandObjectImage();
 
diff --git a/source/Commands/CommandObjectLog.cpp b/source/Commands/CommandObjectLog.cpp
index c68ecce..5616fb1 100644
--- a/source/Commands/CommandObjectLog.cpp
+++ b/source/Commands/CommandObjectLog.cpp
@@ -26,7 +26,7 @@
 #include "lldb/Core/StreamFile.h"
 #include "lldb/Core/Timer.h"
 
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 
 #include "lldb/Symbol/LineTable.h"
@@ -76,9 +76,8 @@
     }
 
     virtual bool
-    Execute (Args& args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter, 
+             Args& args,
              CommandReturnObject &result)
     {
         if (args.GetArgumentCount() < 1)
@@ -256,9 +255,8 @@
     }
 
     virtual bool
-    Execute (Args& args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter, 
+             Args& args,
              CommandReturnObject &result)
     {
         const size_t argc = args.GetArgumentCount();
@@ -318,9 +316,8 @@
     }
 
     virtual bool
-    Execute (Args& args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter, 
+             Args& args,
              CommandReturnObject &result)
     {
         const size_t argc = args.GetArgumentCount();
@@ -382,9 +379,8 @@
     }
 
     virtual bool
-    Execute (Args& args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter, 
+             Args& args,
              CommandReturnObject &result)
     {
         const size_t argc = args.GetArgumentCount();
@@ -429,15 +425,15 @@
 //----------------------------------------------------------------------
 // CommandObjectLog constructor
 //----------------------------------------------------------------------
-CommandObjectLog::CommandObjectLog(CommandInterpreter *interpreter) :
+CommandObjectLog::CommandObjectLog(CommandInterpreter &interpreter) :
     CommandObjectMultiword ("log",
                             "A set of commands for operating on logs.",
                             "log <command> [<command-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectLogEnable), "enable", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectLogDisable), "disable", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectLogList), "list", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectLogTimer), "timers", interpreter);
+    LoadSubCommand (interpreter, "enable",  CommandObjectSP (new CommandObjectLogEnable));
+    LoadSubCommand (interpreter, "disable", CommandObjectSP (new CommandObjectLogDisable));
+    LoadSubCommand (interpreter, "list",    CommandObjectSP (new CommandObjectLogList));
+    LoadSubCommand (interpreter, "timers",  CommandObjectSP (new CommandObjectLogTimer));
 }
 
 //----------------------------------------------------------------------
diff --git a/source/Commands/CommandObjectLog.h b/source/Commands/CommandObjectLog.h
index a1ba258..3e731fa 100644
--- a/source/Commands/CommandObjectLog.h
+++ b/source/Commands/CommandObjectLog.h
@@ -31,7 +31,7 @@
     //------------------------------------------------------------------
     // Constructors and Destructors
     //------------------------------------------------------------------
-    CommandObjectLog(CommandInterpreter *interpreter);
+    CommandObjectLog(CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectLog();
diff --git a/source/Commands/CommandObjectMemory.cpp b/source/Commands/CommandObjectMemory.cpp
index da845f0..9400200 100644
--- a/source/Commands/CommandObjectMemory.cpp
+++ b/source/Commands/CommandObjectMemory.cpp
@@ -13,13 +13,14 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Interpreter/Args.h"
 #include "lldb/Core/DataBufferHeap.h"
 #include "lldb/Core/DataExtractor.h"
-#include "lldb/Interpreter/Options.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Core/StreamString.h"
+#include "lldb/Interpreter/Args.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/Options.h"
 #include "lldb/Target/Process.h"
 
 using namespace lldb;
@@ -195,12 +196,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError("need a process to read memory");
@@ -441,12 +441,11 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError("need a process to read memory");
@@ -666,13 +665,13 @@
 // CommandObjectMemory
 //-------------------------------------------------------------------------
 
-CommandObjectMemory::CommandObjectMemory (CommandInterpreter *interpreter) :
+CommandObjectMemory::CommandObjectMemory (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("memory",
                             "A set of commands for operating on a memory.",
                             "memory <subcommand> [<subcommand-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectMemoryRead ()), "read", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectMemoryWrite ()), "write", interpreter);
+    LoadSubCommand (interpreter, "read",  CommandObjectSP (new CommandObjectMemoryRead ()));
+    LoadSubCommand (interpreter, "write", CommandObjectSP (new CommandObjectMemoryWrite ()));
 }
 
 CommandObjectMemory::~CommandObjectMemory ()
diff --git a/source/Commands/CommandObjectMemory.h b/source/Commands/CommandObjectMemory.h
index a466540..b044921 100644
--- a/source/Commands/CommandObjectMemory.h
+++ b/source/Commands/CommandObjectMemory.h
@@ -21,7 +21,7 @@
 class CommandObjectMemory : public CommandObjectMultiword
 {
 public:
-    CommandObjectMemory (CommandInterpreter *interpreter);
+    CommandObjectMemory (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMemory ();
diff --git a/source/Commands/CommandObjectMultiword.cpp b/source/Commands/CommandObjectMultiword.cpp
index b5553d6..d8e8f54 100644
--- a/source/Commands/CommandObjectMultiword.cpp
+++ b/source/Commands/CommandObjectMultiword.cpp
@@ -12,7 +12,7 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/Options.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
@@ -80,8 +80,12 @@
 }
 
 bool
-CommandObjectMultiword::LoadSubCommand (CommandObjectSP cmd_obj, const char *name,
-                                          CommandInterpreter *interpreter)
+CommandObjectMultiword::LoadSubCommand 
+(
+    CommandInterpreter &interpreter, 
+    const char *name,
+    const CommandObjectSP& cmd_obj
+)
 {
     CommandMap::iterator pos;
     bool success = true;
@@ -90,7 +94,7 @@
     if (pos == m_subcommand_dict.end())
     {
         m_subcommand_dict[name] = cmd_obj;
-        interpreter->CrossRegisterCommand (name, GetCommandName());
+        interpreter.CrossRegisterCommand (name, GetCommandName());
     }
     else
         success = false;
@@ -101,16 +105,15 @@
 bool
 CommandObjectMultiword::Execute
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
     const size_t argc = args.GetArgumentCount();
     if (argc == 0)
     {
-        GenerateHelpText (result, interpreter);
+        GenerateHelpText (interpreter, result);
     }
     else
     {
@@ -120,7 +123,7 @@
         {
             if (::strcasecmp (sub_command, "help") == 0)
             {
-                GenerateHelpText (result, interpreter);
+                GenerateHelpText (interpreter, result);
             }
             else if (!m_subcommand_dict.empty())
             {
@@ -133,7 +136,7 @@
 
                     args.Shift();
 
-                    sub_cmd_obj->ExecuteWithOptions (args, context, interpreter, result);
+                    sub_cmd_obj->ExecuteWithOptions (interpreter, args, result);
                 }
                 else
                 {
@@ -176,7 +179,7 @@
 }
 
 void
-CommandObjectMultiword::GenerateHelpText (CommandReturnObject &result, CommandInterpreter *interpreter)
+CommandObjectMultiword::GenerateHelpText (CommandInterpreter &interpreter, CommandReturnObject &result)
 {
     // First time through here, generate the help text for the object and
     // push it to the return result object as well
@@ -185,7 +188,7 @@
     output_stream.PutCString ("The following subcommands are supported:\n\n");
 
     CommandMap::iterator pos;
-    std::string longest_word = interpreter->FindLongestCommandWord (m_subcommand_dict);
+    std::string longest_word = interpreter.FindLongestCommandWord (m_subcommand_dict);
     uint32_t max_len = 0;
 
     if (! longest_word.empty())
@@ -195,8 +198,11 @@
     {
         std::string indented_command ("    ");
         indented_command.append (pos->first);
-        interpreter->OutputFormattedHelpText (result.GetOutputStream(), indented_command.c_str(), "--", 
-                                              pos->second->GetHelp(), max_len);
+        interpreter.OutputFormattedHelpText (result.GetOutputStream(), 
+                                             indented_command.c_str(),
+                                             "--", 
+                                             pos->second->GetHelp(), 
+                                             max_len);
     }
 
     output_stream.PutCString ("\nFor more help on any particular subcommand, type 'help <command> <subcommand>'.\n");
@@ -207,33 +213,40 @@
 int
 CommandObjectMultiword::HandleCompletion
 (
+    CommandInterpreter &interpreter,
     Args &input,
     int &cursor_index,
     int &cursor_char_position,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 )
 {
     if (cursor_index == 0)
     {
-        CommandObject::AddNamesMatchingPartialString (m_subcommand_dict, input.GetArgumentAtIndex(0), matches);
+        CommandObject::AddNamesMatchingPartialString (m_subcommand_dict, 
+                                                      input.GetArgumentAtIndex(0), 
+                                                      matches);
 
         if (matches.GetSize() == 1
             && matches.GetStringAtIndex(0) != NULL
             && strcmp (input.GetArgumentAtIndex(0), matches.GetStringAtIndex(0)) == 0)
         {
             StringList temp_matches;
-            CommandObject *cmd_obj = GetSubcommandObject (input.GetArgumentAtIndex(0), &temp_matches);
+            CommandObject *cmd_obj = GetSubcommandObject (input.GetArgumentAtIndex(0), 
+                                                          &temp_matches);
             if (cmd_obj != NULL)
             {
                 matches.DeleteStringAtIndex (0);
                 input.Shift();
                 cursor_char_position = 0;
                 input.AppendArgument ("");
-                return cmd_obj->HandleCompletion (input, cursor_index, cursor_char_position, match_start_point,
-                                                  max_return_elements, interpreter, matches);
+                return cmd_obj->HandleCompletion (interpreter, 
+                                                  input, cursor_index, 
+                                                  cursor_char_position, 
+                                                  match_start_point,
+                                                  max_return_elements, 
+                                                  matches);
             }
             else
                 return matches.GetSize();
@@ -243,7 +256,8 @@
     }
     else
     {
-        CommandObject *sub_command_object = GetSubcommandObject (input.GetArgumentAtIndex(0), &matches);
+        CommandObject *sub_command_object = GetSubcommandObject (input.GetArgumentAtIndex(0), 
+                                                                 &matches);
         if (sub_command_object == NULL)
         {
             return matches.GetSize();
@@ -254,8 +268,13 @@
             matches.DeleteStringAtIndex(0);
             input.Shift();
             cursor_index--;
-            return sub_command_object->HandleCompletion (input, cursor_index, cursor_char_position, match_start_point,
-                                                         max_return_elements, interpreter, matches);
+            return sub_command_object->HandleCompletion (interpreter, 
+                                                         input, 
+                                                         cursor_index, 
+                                                         cursor_char_position, 
+                                                         match_start_point,
+                                                         max_return_elements, 
+                                                         matches);
         }
 
     }
diff --git a/source/Commands/CommandObjectProcess.cpp b/source/Commands/CommandObjectProcess.cpp
index 0a84871..84deb2f 100644
--- a/source/Commands/CommandObjectProcess.cpp
+++ b/source/Commands/CommandObjectProcess.cpp
@@ -120,13 +120,12 @@
     }
 
     bool
-    Execute (Args& launch_args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& launch_args,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
-        bool synchronous_execution = interpreter->GetSynchronous ();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
+        bool synchronous_execution = interpreter.GetSynchronous ();
     //    bool launched = false;
     //    bool stopped_after_launch = false;
 
@@ -138,19 +137,11 @@
         }
 
         // If our listener is NULL, users aren't allows to launch
-        Listener *listener = interpreter->GetListener();
-        if (listener == NULL)
-        {
-            result.AppendError ("operation not allowed through the command interpreter");
-            result.SetStatus (eReturnStatusFailed);
-            return false;
-        }
-
         char filename[PATH_MAX];
         Module *exe_module = target->GetExecutableModule().get();
         exe_module->GetFileSpec().GetPath(filename, sizeof(filename));
 
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process)
         {
             if (process->IsAlive())
@@ -168,10 +159,10 @@
         else
             plugin_name = NULL;
 
-        process = target->CreateProcess (*listener, plugin_name).get();
+        process = target->CreateProcess (interpreter.GetDebugger().GetListener(), plugin_name).get();
 
-        const Args *environment = interpreter->GetEnvironmentVariables();
-        const Args *run_args = interpreter->GetProgramArguments();
+        const Args *environment = interpreter.GetEnvironmentVariables();
+        const Args *run_args = interpreter.GetProgramArguments();
 
         // There are two possible sources of args to be passed to the process upon launching:  Those the user
         // typed at the run command (launch_args); or those the user pre-set in the run-args variable (run_args).
@@ -185,7 +176,7 @@
         else
         {
             // launch-args was not empty; use that, AND re-set run-args to contains launch-args values.
-            StateVariable *run_args_var = interpreter->GetStateVariable ("run-args");
+            StateVariable *run_args_var = interpreter.GetStateVariable ("run-args");
             if (run_args_var != NULL)
             {
                 run_args_var->ArrayClearValues();
@@ -229,7 +220,7 @@
                     {
                         // Call continue_command.
                         CommandReturnObject continue_result;
-                        interpreter->HandleCommand("process continue", false, continue_result);
+                        interpreter.HandleCommand("process continue", false, continue_result);
                     }
 
                     if (synchronous_execution)
@@ -296,12 +287,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -310,14 +300,8 @@
         }
 
         // If our listener is NULL, users aren't allows to launch
-        Listener *listener = interpreter->GetListener();
-        if (listener == NULL)
-        {
-            result.AppendError ("operation not allowed through the command interpreter");
-            result.SetStatus (eReturnStatusFailed);
-            return false;
-        }
-        Process *process = context->GetExecutionContext().process;
+
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process)
         {
             if (process->IsAlive())
@@ -340,7 +324,7 @@
             if (!m_options.plugin_name.empty())
                 plugin_name = m_options.plugin_name.c_str();
 
-            process = target->CreateProcess (*listener, plugin_name).get();
+            process = target->CreateProcess (interpreter.GetDebugger().GetListener(), plugin_name).get();
 
             if (process)
             {
@@ -508,13 +492,12 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
-        bool synchronous_execution = interpreter->GetSynchronous ();
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
+        bool synchronous_execution = interpreter.GetSynchronous ();
 
         if (process == NULL)
         {
@@ -595,12 +578,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("must have a valid process in order to detach");
@@ -643,12 +625,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("no process to signal");
@@ -711,12 +692,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("no process to halt");
@@ -773,12 +753,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("no process to kill");
@@ -832,15 +811,14 @@
     bool
     Execute
     (
+        CommandInterpreter &interpreter,
         Args& command,
-        CommandContext *context,
-        CommandInterpreter *interpreter,
         CommandReturnObject &result
     )
     {
         StreamString &output_stream = result.GetOutputStream();
         result.SetStatus (eReturnStatusSuccessFinishNoResult);
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         if (exe_ctx.process)
         {
             const StateType state = exe_ctx.process->GetState();
@@ -891,19 +869,19 @@
 // CommandObjectMultiwordProcess
 //-------------------------------------------------------------------------
 
-CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter *interpreter) :
+CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("process",
                               "A set of commands for operating on a process.",
                               "process <subcommand> [<subcommand-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessAttach ()), "attach", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessLaunch ()), "launch", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessContinue ()), "continue", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessDetach ()), "detach", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessSignal ()), "signal", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessStatus ()), "status", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessInterrupt ()), "interrupt", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectProcessKill ()), "kill", interpreter);
+    LoadSubCommand (interpreter, "attach",      CommandObjectSP (new CommandObjectProcessAttach ()));
+    LoadSubCommand (interpreter, "launch",      CommandObjectSP (new CommandObjectProcessLaunch ()));
+    LoadSubCommand (interpreter, "continue",    CommandObjectSP (new CommandObjectProcessContinue ()));
+    LoadSubCommand (interpreter, "detach",      CommandObjectSP (new CommandObjectProcessDetach ()));
+    LoadSubCommand (interpreter, "signal",      CommandObjectSP (new CommandObjectProcessSignal ()));
+    LoadSubCommand (interpreter, "status",      CommandObjectSP (new CommandObjectProcessStatus ()));
+    LoadSubCommand (interpreter, "interrupt",   CommandObjectSP (new CommandObjectProcessInterrupt ()));
+    LoadSubCommand (interpreter, "kill",        CommandObjectSP (new CommandObjectProcessKill ()));
 }
 
 CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess ()
diff --git a/source/Commands/CommandObjectProcess.h b/source/Commands/CommandObjectProcess.h
index 9a8d59e..0aaa74d 100644
--- a/source/Commands/CommandObjectProcess.h
+++ b/source/Commands/CommandObjectProcess.h
@@ -25,7 +25,7 @@
 class CommandObjectMultiwordProcess : public CommandObjectMultiword
 {
 public:
-    CommandObjectMultiwordProcess (CommandInterpreter *interpreter);
+    CommandObjectMultiwordProcess (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMultiwordProcess ();
diff --git a/source/Commands/CommandObjectQuit.cpp b/source/Commands/CommandObjectQuit.cpp
index 23aee3b..1d85555 100644
--- a/source/Commands/CommandObjectQuit.cpp
+++ b/source/Commands/CommandObjectQuit.cpp
@@ -35,13 +35,12 @@
 bool
 CommandObjectQuit::Execute
 (
-    Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter, 
+    Args& args,
     CommandReturnObject &result
 )
 {
-    interpreter->BroadcastEvent (CommandInterpreter::eBroadcastBitQuitCommandReceived);
+    interpreter.BroadcastEvent (CommandInterpreter::eBroadcastBitQuitCommandReceived);
     result.SetStatus (eReturnStatusQuit);
     return true;
 }
diff --git a/source/Commands/CommandObjectQuit.h b/source/Commands/CommandObjectQuit.h
index a45d8a4..f696828 100644
--- a/source/Commands/CommandObjectQuit.h
+++ b/source/Commands/CommandObjectQuit.h
@@ -39,9 +39,8 @@
     ~CommandObjectQuit ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter, 
+             Args& args,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectRegister.cpp b/source/Commands/CommandObjectRegister.cpp
index cd77084..2aded26 100644
--- a/source/Commands/CommandObjectRegister.cpp
+++ b/source/Commands/CommandObjectRegister.cpp
@@ -13,10 +13,11 @@
 // C++ Includes
 // Other libraries and framework includes
 // Project includes
-#include "lldb/Interpreter/Args.h"
 #include "lldb/Core/DataExtractor.h"
 #include "lldb/Core/Scalar.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/ExecutionContext.h"
 #include "lldb/Target/RegisterContext.h"
@@ -44,14 +45,16 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute 
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
         StreamString &output_stream = result.GetOutputStream();
         DataExtractor reg_data;
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         RegisterContext *reg_context = exe_ctx.GetRegisterContext ();
 
         if (reg_context)
@@ -150,13 +153,15 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute 
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
         DataExtractor reg_data;
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         RegisterContext *reg_context = exe_ctx.GetRegisterContext ();
 
         if (reg_context)
@@ -213,13 +218,13 @@
 //----------------------------------------------------------------------
 // CommandObjectRegister constructor
 //----------------------------------------------------------------------
-CommandObjectRegister::CommandObjectRegister(CommandInterpreter *interpreter) :
+CommandObjectRegister::CommandObjectRegister(CommandInterpreter &interpreter) :
     CommandObjectMultiword ("register",
                             "Access thread registers.",
                             "register [read|write] ...")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectRegisterRead ()), "read", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectRegisterWrite ()), "write", interpreter);
+    LoadSubCommand (interpreter, "read",  CommandObjectSP (new CommandObjectRegisterRead ()));
+    LoadSubCommand (interpreter, "write", CommandObjectSP (new CommandObjectRegisterWrite ()));
 }
 
 
diff --git a/source/Commands/CommandObjectRegister.h b/source/Commands/CommandObjectRegister.h
index 740bc54..7f856c2 100644
--- a/source/Commands/CommandObjectRegister.h
+++ b/source/Commands/CommandObjectRegister.h
@@ -28,7 +28,8 @@
     //------------------------------------------------------------------
     // Constructors and Destructors
     //------------------------------------------------------------------
-    CommandObjectRegister(CommandInterpreter *interpreter);
+    CommandObjectRegister(CommandInterpreter &interpreter);
+
     virtual
     ~CommandObjectRegister();
 
diff --git a/source/Commands/CommandObjectRemove.cpp b/source/Commands/CommandObjectRemove.cpp
deleted file mode 100644
index 28736cd..0000000
--- a/source/Commands/CommandObjectRemove.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-//===-- CommandObjectRemove.cpp ---------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CommandObjectRemove.h"
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/CommandInterpreter.h"
-#include "lldb/Interpreter/CommandReturnObject.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-//-------------------------------------------------------------------------
-// CommandObjectRemove
-//-------------------------------------------------------------------------
-
-CommandObjectRemove::CommandObjectRemove () :
-    CommandObject ("remove",
-                     "Allows the user to remove/delete user-defined command functions (script functions).",
-                     "remove <command-name-to-be-removed>")
-{
-}
-
-CommandObjectRemove::~CommandObjectRemove()
-{
-}
-
-
-bool
-CommandObjectRemove::Execute (Args& args, CommandContext *context, CommandInterpreter *interpreter,
-                              CommandReturnObject &result)
-{
-    CommandObject::CommandMap::iterator pos;
-    CommandObject *cmd_obj;
-
-    if (args.GetArgumentCount() != 0)
-    {
-        const char *command_name = args.GetArgumentAtIndex(0);
-        cmd_obj = interpreter->GetCommandObject(command_name);
-        if (cmd_obj)
-        {
-            if (interpreter->CommandExists (command_name))
-            {
-                result.AppendErrorWithFormat ("'%s' is a permanent debugger command and cannot be removed.\n",
-                                              command_name);
-                result.SetStatus (eReturnStatusFailed);
-            }
-            else
-            {
-
-                if (interpreter->RemoveUser (command_name) == false)
-                {
-                    if (interpreter->UserCommandExists (command_name))
-                        result.AppendErrorWithFormat ("Unknown error occurred; unable to remove command '%s'.\n",
-                                                     command_name);
-                    else
-                        result.AppendErrorWithFormat ("'%s' is not a user-defined command/function name.\n",
-                                                     command_name);
-                    result.SetStatus (eReturnStatusFailed);
-                }
-                else
-                    result.SetStatus (eReturnStatusSuccessFinishNoResult);
-            }
-        }
-        else
-        {
-            result.AppendErrorWithFormat ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
-                                         command_name);
-            result.SetStatus (eReturnStatusFailed);
-        }
-    }
-    else
-    {
-        result.AppendError ("must call remove with a valid command");
-        result.SetStatus (eReturnStatusFailed);
-    }
-
-    return result.Succeeded();
-}
-
diff --git a/source/Commands/CommandObjectRemove.h b/source/Commands/CommandObjectRemove.h
deleted file mode 100644
index 4b017a4..0000000
--- a/source/Commands/CommandObjectRemove.h
+++ /dev/null
@@ -1,44 +0,0 @@
-//===-- CommandObjectRemove.h -----------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_CommandObjectRemove_h_
-#define liblldb_CommandObjectRemove_h_
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/CommandObject.h"
-
-namespace lldb_private {
-
-//-------------------------------------------------------------------------
-// CommandObjectRemove
-//-------------------------------------------------------------------------
-
-class CommandObjectRemove : public CommandObject
-{
-public:
-
-    CommandObjectRemove ();
-
-    virtual
-    ~CommandObjectRemove ();
-
-    virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
-
-};
-
-} // namespace lldb_private
-
-#endif  // liblldb_CommandObjectRemove_h_
diff --git a/source/Commands/CommandObjectSet.cpp b/source/Commands/CommandObjectSet.cpp
index 46ad049..89f154a 100644
--- a/source/Commands/CommandObjectSet.cpp
+++ b/source/Commands/CommandObjectSet.cpp
@@ -38,9 +38,8 @@
 bool
 CommandObjectSet::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -66,7 +65,7 @@
     else if (var_value == NULL || var_value[0] == '\0')
     {
         // No value given:  Check to see if we're trying to clear an array.
-        StateVariable *var = interpreter->GetStateVariable (var_name);
+        StateVariable *var = interpreter.GetStateVariable (var_name);
         if (var != NULL
             && var->GetType() == StateVariable::eTypeStringArray)
         {
@@ -81,7 +80,7 @@
     }
     else
     {
-        StateVariable *var = interpreter->GetStateVariable(var_name);
+        StateVariable *var = interpreter.GetStateVariable(var_name);
         if (var == NULL)
         {
             result.AppendErrorWithFormat ("'%s' is not a settable internal variable.\n", var_name);
@@ -98,7 +97,7 @@
                 if (success)
                 {
                     result.SetStatus(eReturnStatusSuccessFinishResult);
-                    if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) &new_value, result))
+                    if (!var->HasVerifyFunction() || var->VerifyValue (&interpreter, (void *) &new_value, result))
                         var->SetBoolValue (new_value);
                 }
                 else
@@ -115,7 +114,7 @@
                 if (success)
                 {
                     result.SetStatus(eReturnStatusSuccessFinishResult);
-                    if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) &new_value, result))
+                    if (!var->HasVerifyFunction() || var->VerifyValue (&interpreter, (void *) &new_value, result))
                         var->SetIntValue (new_value);
                 }
                 else
@@ -126,7 +125,7 @@
             }
             else if (var->GetType() == StateVariable::eTypeString)
             {
-                if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) var_value, result))
+                if (!var->HasVerifyFunction() || var->VerifyValue (&interpreter, (void *) var_value, result))
                     var->SetStringValue (var_value);
             }
             else if (var->GetType() == StateVariable::eTypeStringArray)
diff --git a/source/Commands/CommandObjectSet.h b/source/Commands/CommandObjectSet.h
index 1a3c3df..8e4d81f 100644
--- a/source/Commands/CommandObjectSet.h
+++ b/source/Commands/CommandObjectSet.h
@@ -32,9 +32,8 @@
     ~CommandObjectSet ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectSettings.cpp b/source/Commands/CommandObjectSettings.cpp
index 078b699..3b75c87 100644
--- a/source/Commands/CommandObjectSettings.cpp
+++ b/source/Commands/CommandObjectSettings.cpp
@@ -38,9 +38,8 @@
 bool
 CommandObjectSettings::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -53,7 +52,7 @@
     }
     else
     {
-        interpreter->ShowVariableHelp (result);
+        interpreter.ShowVariableHelp (result);
         result.SetStatus (eReturnStatusSuccessFinishNoResult);
     }
 
diff --git a/source/Commands/CommandObjectSettings.h b/source/Commands/CommandObjectSettings.h
index 674a98b..4159b8b 100644
--- a/source/Commands/CommandObjectSettings.h
+++ b/source/Commands/CommandObjectSettings.h
@@ -32,9 +32,8 @@
     ~CommandObjectSettings ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectShow.cpp b/source/Commands/CommandObjectShow.cpp
index be6f688..4acbf66 100644
--- a/source/Commands/CommandObjectShow.cpp
+++ b/source/Commands/CommandObjectShow.cpp
@@ -38,9 +38,8 @@
 bool
 CommandObjectShow::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -51,7 +50,7 @@
         // The user requested to see the value of a particular variable.
 
         const char *var_name = command.GetArgumentAtIndex(0);
-        StateVariable *var = interpreter->GetStateVariable(var_name);
+        StateVariable *var = interpreter.GetStateVariable(var_name);
         if (var)
         {
             var->AppendVariableInformation (result);
@@ -66,7 +65,7 @@
     else
     {
         // The user didn't specify a particular variable, so show the values of all of them.
-        interpreter->ShowVariableValues(result);
+        interpreter.ShowVariableValues(result);
         result.SetStatus (eReturnStatusSuccessFinishNoResult);
     }
 
diff --git a/source/Commands/CommandObjectShow.h b/source/Commands/CommandObjectShow.h
index 460280a..a51cd4d 100644
--- a/source/Commands/CommandObjectShow.h
+++ b/source/Commands/CommandObjectShow.h
@@ -32,9 +32,8 @@
     ~CommandObjectShow ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectSource.cpp b/source/Commands/CommandObjectSource.cpp
index 97c04a7..9be4dcc 100644
--- a/source/Commands/CommandObjectSource.cpp
+++ b/source/Commands/CommandObjectSource.cpp
@@ -14,7 +14,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Interpreter/Args.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/Process.h"
@@ -43,9 +43,8 @@
 bool
 CommandObjectSource::Execute
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -88,8 +87,8 @@
                 size_t i;
                 for (i = 0; i<num_commands; ++i)
                 {
-                    result.GetOutputStream().Printf("%s %s\n", interpreter->GetPrompt(), commands[i].c_str());
-                    if (!interpreter->HandleCommand(commands[i].c_str(), false, result))
+                    result.GetOutputStream().Printf("%s %s\n", interpreter.GetPrompt(), commands[i].c_str());
+                    if (!interpreter.HandleCommand(commands[i].c_str(), false, result))
                         break;
                 }
 
diff --git a/source/Commands/CommandObjectSource.h b/source/Commands/CommandObjectSource.h
index 416e3c0..8bc1ae5 100644
--- a/source/Commands/CommandObjectSource.h
+++ b/source/Commands/CommandObjectSource.h
@@ -36,9 +36,8 @@
     GetCommands ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectSourceFile.cpp b/source/Commands/CommandObjectSourceFile.cpp
index 6e6082c..cfb53e0 100644
--- a/source/Commands/CommandObjectSourceFile.cpp
+++ b/source/Commands/CommandObjectSourceFile.cpp
@@ -14,7 +14,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Interpreter/Args.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/Process.h"
@@ -119,9 +119,8 @@
 bool
 CommandObjectSourceFile::Execute
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -133,7 +132,7 @@
         result.SetStatus (eReturnStatusFailed);
     }
 
-    ExecutionContext exe_ctx(context->GetExecutionContext());
+    ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
     if (m_options.file_name.empty())
     {
         // Last valid source manager context, or the current frame if no
@@ -142,14 +141,14 @@
         // more likely because you typed it once, then typed it again
         if (m_options.start_line == 0)
         {
-            if (interpreter->GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream()))
+            if (interpreter.GetDebugger().GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream()))
             {
                 result.SetStatus (eReturnStatusSuccessFinishResult);
             }
         }
         else
         {
-            if (interpreter->GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile(
+            if (interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile(
                         m_options.start_line,   // Line to display
                         0,                      // Lines before line to display
                         m_options.num_lines,    // Lines after line to display
@@ -164,7 +163,7 @@
     else
     {
         const char *filename = m_options.file_name.c_str();
-        Target *target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target == NULL)
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
@@ -187,13 +186,13 @@
             {
                 if (sc.comp_unit)
                 {
-                    interpreter->GetSourceManager ().DisplaySourceLinesWithLineNumbers (sc.comp_unit,
-                                                                                        m_options.start_line,   // Line to display
-                                                                                        0,                      // Lines before line to display
-                                                                                        m_options.num_lines,    // Lines after line to display
-                                                                                        "",                     // Don't mark "line"
-                                                                                        &result.GetOutputStream());
-
+                    interpreter.GetDebugger().GetSourceManager ().DisplaySourceLinesWithLineNumbers (sc.comp_unit,
+                                                                                                     m_options.start_line,   // Line to display
+                                                                                                     0,                      // Lines before line to display
+                                                                                                     m_options.num_lines,    // Lines after line to display
+                                                                                                     "",                     // Don't mark "line"
+                                                                                                     &result.GetOutputStream());
+                    
                     result.SetStatus (eReturnStatusSuccessFinishResult);
 
                 }
diff --git a/source/Commands/CommandObjectSourceFile.h b/source/Commands/CommandObjectSourceFile.h
index f25fcc0..9d15b19 100644
--- a/source/Commands/CommandObjectSourceFile.h
+++ b/source/Commands/CommandObjectSourceFile.h
@@ -62,9 +62,8 @@
     ~CommandObjectSourceFile ();
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     virtual
diff --git a/source/Commands/CommandObjectSyntax.cpp b/source/Commands/CommandObjectSyntax.cpp
index 092a9fc..3279da2 100644
--- a/source/Commands/CommandObjectSyntax.cpp
+++ b/source/Commands/CommandObjectSyntax.cpp
@@ -43,7 +43,7 @@
 CommandObjectSyntax::OldExecute
 (
     Args& command,
-    CommandContext *context,
+    Debugger *context,
     CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
@@ -86,7 +86,7 @@
 }
 
 bool
-CommandObjectSyntax::Execute (Args &command, CommandContext *context, CommandInterpreter *interpreter, 
+CommandObjectSyntax::Execute (Args &command, Debugger *context, CommandInterpreter *interpreter, 
                               CommandReturnObject &result)
 {
     CommandObject::CommandMap::iterator pos;
diff --git a/source/Commands/CommandObjectSyntax.h b/source/Commands/CommandObjectSyntax.h
index e5f5f4e..3caf533 100644
--- a/source/Commands/CommandObjectSyntax.h
+++ b/source/Commands/CommandObjectSyntax.h
@@ -33,13 +33,13 @@
 
     bool
     OldExecute (Args& command,
-             CommandContext *context,
+             Debugger *context,
              CommandInterpreter *interpreter,
              CommandReturnObject &result);
     
     virtual bool
     Execute (Args& command,
-             CommandContext *context,
+             Debugger *context,
              CommandInterpreter *interpreter,
              CommandReturnObject &result);
 
diff --git a/source/Commands/CommandObjectTarget.cpp b/source/Commands/CommandObjectTarget.cpp
index 1762f5d..3f8581c 100644
--- a/source/Commands/CommandObjectTarget.cpp
+++ b/source/Commands/CommandObjectTarget.cpp
@@ -18,7 +18,7 @@
 #include "lldb/Interpreter/Args.h"
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/Timer.h"
-#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Target/Process.h"
@@ -46,12 +46,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target * target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target)
         {
             uint32_t argc = command.GetArgumentCount();
@@ -70,9 +69,9 @@
                     if (from[0] && to[0])
                     {
                         bool last_pair = ((argc - i) == 2);
-                        target->GetImageSearchPathList().Append(ConstString(from),
-                                                                ConstString(to),
-                                                                last_pair); // Notify if this is the last pair
+                        target->GetImageSearchPathList().Append (ConstString(from),
+                                                                 ConstString(to),
+                                                                 last_pair); // Notify if this is the last pair
                     }
                     else
                     {
@@ -110,12 +109,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target * target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target)
         {
             bool notify = true;
@@ -146,12 +144,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target * target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target)
         {
             uint32_t argc = command.GetArgumentCount();
@@ -230,12 +227,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target * target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target)
         {
             if (command.GetArgumentCount() != 0)
@@ -272,12 +268,11 @@
     }
 
     bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result)
     {
-        Target * target = context->GetTarget();
+        Target *target = interpreter.GetDebugger().GetCurrentTarget().get();
         if (target)
         {
             if (command.GetArgumentCount() != 1)
@@ -327,8 +322,8 @@
 //
 //    bool
 //    Execute (Args& command,
-//             CommandContext *context,
-//             CommandInterpreter *interpreter,
+//             Debugger *context,
+//             CommandInterpreter &interpreter,
 //             CommandReturnObject &result)
 //    {
 //        ExecutionContext exe_ctx (context->GetExecutionContext());
@@ -392,16 +387,16 @@
 {
 public:
 
-    CommandObjectMultiwordImageSearchPaths (CommandInterpreter *interpreter) :
+    CommandObjectMultiwordImageSearchPaths (CommandInterpreter &interpreter) :
         CommandObjectMultiword ("target image-search-paths",
                                 "A set of commands for operating on debugger target image search paths.",
                                 "target image-search-paths <subcommand> [<subcommand-options>]")
     {
-        LoadSubCommand (CommandObjectSP (new CommandObjectTargetImageSearchPathsAdd ()), "add", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectTargetImageSearchPathsClear ()), "clear", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectTargetImageSearchPathsInsert ()), "insert", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectTargetImageSearchPathsList ()), "list", interpreter);
-        LoadSubCommand (CommandObjectSP (new CommandObjectTargetImageSearchPathsQuery ()), "query", interpreter);
+        LoadSubCommand (interpreter, "add",     CommandObjectSP (new CommandObjectTargetImageSearchPathsAdd ()));
+        LoadSubCommand (interpreter, "clear",   CommandObjectSP (new CommandObjectTargetImageSearchPathsClear ()));
+        LoadSubCommand (interpreter, "insert",  CommandObjectSP (new CommandObjectTargetImageSearchPathsInsert ()));
+        LoadSubCommand (interpreter, "list",    CommandObjectSP (new CommandObjectTargetImageSearchPathsList ()));
+        LoadSubCommand (interpreter, "query",   CommandObjectSP (new CommandObjectTargetImageSearchPathsQuery ()));
     }
 
     ~CommandObjectMultiwordImageSearchPaths()
@@ -416,12 +411,12 @@
 // CommandObjectMultiwordTarget
 //-------------------------------------------------------------------------
 
-CommandObjectMultiwordTarget::CommandObjectMultiwordTarget (CommandInterpreter *interpreter) :
+CommandObjectMultiwordTarget::CommandObjectMultiwordTarget (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("target",
                             "A set of commands for operating on debugger targets.",
                             "target <subcommand> [<subcommand-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectMultiwordImageSearchPaths (interpreter)), "image-search-paths", interpreter);
+    LoadSubCommand (interpreter, "image-search-paths", CommandObjectSP (new CommandObjectMultiwordImageSearchPaths (interpreter)));
 }
 
 CommandObjectMultiwordTarget::~CommandObjectMultiwordTarget ()
diff --git a/source/Commands/CommandObjectTarget.h b/source/Commands/CommandObjectTarget.h
index 06c89dc..7b66378 100644
--- a/source/Commands/CommandObjectTarget.h
+++ b/source/Commands/CommandObjectTarget.h
@@ -28,7 +28,7 @@
 {
 public:
 
-    CommandObjectMultiwordTarget (CommandInterpreter *interpreter);
+    CommandObjectMultiwordTarget (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMultiwordTarget ();
diff --git a/source/Commands/CommandObjectThread.cpp b/source/Commands/CommandObjectThread.cpp
index ef529f0..bf4843d 100644
--- a/source/Commands/CommandObjectThread.cpp
+++ b/source/Commands/CommandObjectThread.cpp
@@ -39,7 +39,7 @@
 bool
 lldb_private::DisplayThreadInfo
 (
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     Stream &strm,
     Thread *thread,
     bool only_threads_with_stop_reason,
@@ -96,7 +96,7 @@
 size_t
 lldb_private::DisplayThreadsInfo
 (
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     ExecutionContext *exe_ctx,
     CommandReturnObject &result,
     bool only_threads_with_stop_reason,
@@ -145,7 +145,7 @@
 lldb_private::DisplayFramesForExecutionContext
 (
     Thread *thread,
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     Stream& strm,
     bool ascending,
     uint32_t first_frame,
@@ -226,7 +226,7 @@
 (
     Thread *thread,
     StackFrame *frame,
-    CommandInterpreter *interpreter,
+    CommandInterpreter &interpreter,
     Stream& strm,
     bool show_frame_info,
     bool show_source,
@@ -248,7 +248,7 @@
 
         if (show_source && sc.comp_unit && sc.line_entry.IsValid())
         {
-            interpreter->GetSourceManager().DisplaySourceLinesWithLineNumbers (
+            interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers (
                     sc.line_entry.file,
                     sc.line_entry.line,
                     3,
@@ -285,18 +285,17 @@
     }
 
 
-    bool
+    virtual bool
     Execute
     (
+        CommandInterpreter &interpreter,
         Args& command,
-        CommandContext *context,
-        CommandInterpreter *interpreter,
         CommandReturnObject &result
     )
     {
         if (command.GetArgumentCount() == 0)
         {
-            ExecutionContext exe_ctx(context->GetExecutionContext());
+            ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
             if (exe_ctx.thread)
             {
                 bool show_frame_info = true;
@@ -441,13 +440,15 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute 
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
-        Process *process = context->GetExecutionContext().process;
-        bool synchronous_execution = interpreter->GetSynchronous();
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
+        bool synchronous_execution = interpreter.GetSynchronous();
 
         if (process == NULL)
         {
@@ -647,21 +648,23 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
-        bool synchronous_execution = interpreter->GetSynchronous ();
+        bool synchronous_execution = interpreter.GetSynchronous ();
 
-        if (!context->GetTarget())
+        if (!interpreter.GetDebugger().GetCurrentTarget().get())
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
             result.SetStatus (eReturnStatusFailed);
             return false;
         }
 
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("no process exists. Cannot continue");
@@ -897,21 +900,23 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute 
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
-        bool synchronous_execution = interpreter->GetSynchronous ();
+        bool synchronous_execution = interpreter.GetSynchronous ();
 
-        if (!context->GetTarget())
+        if (!interpreter.GetDebugger().GetCurrentTarget().get())
         {
             result.AppendError ("invalid target, set executable file using 'file' command");
             result.SetStatus (eReturnStatusFailed);
             return false;
         }
 
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("need a valid process to step");
@@ -1085,12 +1090,14 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute 
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
-        Process *process = context->GetExecutionContext().process;
+        Process *process = interpreter.GetDebugger().GetExecutionContext().process;
         if (process == NULL)
         {
             result.AppendError ("no process");
@@ -1132,128 +1139,130 @@
 // CommandObjectThreadList
 //-------------------------------------------------------------------------
 
-CommandObjectThreadList::CommandObjectThreadList ():
-    CommandObject ("thread list",
-                     "Shows a summary of all current threads in a process.",
-                     "thread list",
-                     eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
+class CommandObjectThreadList : public CommandObject
 {
-}
+public:
 
-CommandObjectThreadList::~CommandObjectThreadList()
-{
-}
 
-bool
-CommandObjectThreadList::Execute
-(
-    Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
-    CommandReturnObject &result
-)
-{
-    StreamString &strm = result.GetOutputStream();
-    result.SetStatus (eReturnStatusSuccessFinishNoResult);
-    ExecutionContext exe_ctx(context->GetExecutionContext());
-    if (exe_ctx.process)
+    CommandObjectThreadList ():
+        CommandObject ("thread list",
+                       "Shows a summary of all current threads in a process.",
+                       "thread list",
+                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
     {
-        const StateType state = exe_ctx.process->GetState();
+    }
 
-        if (StateIsStoppedState(state))
+    ~CommandObjectThreadList()
+    {
+    }
+
+    bool
+    Execute
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
+    {
+        StreamString &strm = result.GetOutputStream();
+        result.SetStatus (eReturnStatusSuccessFinishNoResult);
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
+        if (exe_ctx.process)
         {
-            if (state == eStateExited)
+            const StateType state = exe_ctx.process->GetState();
+
+            if (StateIsStoppedState(state))
             {
-                int exit_status = exe_ctx.process->GetExitStatus();
-                const char *exit_description = exe_ctx.process->GetExitDescription();
-                strm.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n",
-                                      exe_ctx.process->GetID(),
-                                      exit_status,
-                                      exit_status,
-                                      exit_description ? exit_description : "");
-            }
-            else
-            {
-                strm.Printf ("Process %d state is %s\n", exe_ctx.process->GetID(), StateAsCString (state));
-                if (exe_ctx.thread == NULL)
-                    exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get();
-                if (exe_ctx.thread != NULL)
+                if (state == eStateExited)
                 {
-                    DisplayThreadsInfo (interpreter, &exe_ctx, result, false, false);
+                    int exit_status = exe_ctx.process->GetExitStatus();
+                    const char *exit_description = exe_ctx.process->GetExitDescription();
+                    strm.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n",
+                                          exe_ctx.process->GetID(),
+                                          exit_status,
+                                          exit_status,
+                                          exit_description ? exit_description : "");
                 }
                 else
                 {
-                    result.AppendError ("no valid thread found in current process");
-                    result.SetStatus (eReturnStatusFailed);
+                    strm.Printf ("Process %d state is %s\n", exe_ctx.process->GetID(), StateAsCString (state));
+                    if (exe_ctx.thread == NULL)
+                        exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get();
+                    if (exe_ctx.thread != NULL)
+                    {
+                        DisplayThreadsInfo (interpreter, &exe_ctx, result, false, false);
+                    }
+                    else
+                    {
+                        result.AppendError ("no valid thread found in current process");
+                        result.SetStatus (eReturnStatusFailed);
+                    }
                 }
             }
+            else
+            {
+                result.AppendError ("process is currently running");
+                result.SetStatus (eReturnStatusFailed);
+            }
         }
         else
         {
-            result.AppendError ("process is currently running");
+            result.AppendError ("no current location or status available");
             result.SetStatus (eReturnStatusFailed);
         }
+        return result.Succeeded();
     }
-    else
-    {
-        result.AppendError ("no current location or status available");
-        result.SetStatus (eReturnStatusFailed);
-    }
-    return result.Succeeded();
-}
+};
 
 //-------------------------------------------------------------------------
 // CommandObjectMultiwordThread
 //-------------------------------------------------------------------------
 
-CommandObjectMultiwordThread::CommandObjectMultiwordThread (CommandInterpreter *interpreter) :
+CommandObjectMultiwordThread::CommandObjectMultiwordThread (CommandInterpreter &interpreter) :
     CommandObjectMultiword ("thread",
                             "A set of commands for operating on one or more thread within a running process.",
                             "thread <subcommand> [<subcommand-options>]")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadBacktrace ()), "backtrace", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadContinue ()), "continue", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadList ()), "list", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadSelect ()), "select", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadUntil ()), "until", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-in",
-                                                                                  "Source level single step in in specified thread (current thread, if none specified).",
-                                                                                  "thread step-in [<thread-id>]",
-                                                                                  eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
-                                                                                  eStepTypeInto,
-                                                                                  eStepScopeSource)),
-                    "step-in", interpreter);
-
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-out",
+    LoadSubCommand (interpreter, "backtrace",  CommandObjectSP (new CommandObjectThreadBacktrace ()));
+    LoadSubCommand (interpreter, "continue",   CommandObjectSP (new CommandObjectThreadContinue ()));
+    LoadSubCommand (interpreter, "list",       CommandObjectSP (new CommandObjectThreadList ()));
+    LoadSubCommand (interpreter, "select",     CommandObjectSP (new CommandObjectThreadSelect ()));
+    LoadSubCommand (interpreter, "until",      CommandObjectSP (new CommandObjectThreadUntil ()));
+    LoadSubCommand (interpreter, "step-in",    CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope (
+                                                    "thread step-in",
+                                                     "Source level single step in in specified thread (current thread, if none specified).",
+                                                     "thread step-in [<thread-id>]",
+                                                     eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
+                                                     eStepTypeInto,
+                                                     eStepScopeSource)));
+    
+    LoadSubCommand (interpreter, "step-out",    CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-out",
                                                                                       "Source level single step out in specified thread (current thread, if none specified).",
                                                                                       "thread step-out [<thread-id>]",
                                                                                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
                                                                                       eStepTypeOut,
-                                                                                      eStepScopeSource)),
-                    "step-out", interpreter);
+                                                                                      eStepScopeSource)));
 
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-over",
+    LoadSubCommand (interpreter, "step-over",   CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-over",
                                                                                       "Source level single step over in specified thread (current thread, if none specified).",
                                                                                       "thread step-over [<thread-id>]",
                                                                                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
                                                                                       eStepTypeOver,
-                                                                                      eStepScopeSource)),
-                    "step-over", interpreter);
+                                                                                      eStepScopeSource)));
 
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-inst",
+    LoadSubCommand (interpreter, "step-inst",   CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-inst",
                                                                                       "Single step one instruction in specified thread (current thread, if none specified).",
                                                                                       "thread step-inst [<thread-id>]",
                                                                                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
                                                                                       eStepTypeTrace,
-                                                                                      eStepScopeInstruction)),
-                    "step-inst", interpreter);
-    LoadSubCommand (CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-inst-over",
+                                                                                      eStepScopeInstruction)));
+
+    LoadSubCommand (interpreter, "step-inst-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ("thread step-inst-over",
                                                                                       "Single step one instruction in specified thread (current thread, if none specified), stepping over calls.",
                                                                                       "thread step-inst-over [<thread-id>]",
                                                                                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused,
                                                                                       eStepTypeTraceOver,
-                                                                                      eStepScopeInstruction)),
-                    "step-inst-over", interpreter);
+                                                                                      eStepScopeInstruction)));
 }
 
 CommandObjectMultiwordThread::~CommandObjectMultiwordThread ()
diff --git a/source/Commands/CommandObjectThread.h b/source/Commands/CommandObjectThread.h
index 21bba71..1a913eb 100644
--- a/source/Commands/CommandObjectThread.h
+++ b/source/Commands/CommandObjectThread.h
@@ -18,27 +18,11 @@
 
 namespace lldb_private {
 
-class CommandObjectThreadList : public CommandObject
-{
-public:
-
-    CommandObjectThreadList ();
-
-    ~CommandObjectThreadList ();
-
-    virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
-};
-
-
 class CommandObjectMultiwordThread : public CommandObjectMultiword
 {
 public:
 
-    CommandObjectMultiwordThread (CommandInterpreter *interpreter);
+    CommandObjectMultiwordThread (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectMultiwordThread ();
@@ -47,14 +31,14 @@
 
 
 bool
-DisplayThreadInfo (CommandInterpreter *interpreter,
+DisplayThreadInfo (CommandInterpreter &interpreter,
                    Stream &strm,
                    Thread *thread,
                    bool only_threads_with_stop_reason,
                    bool show_source);
 
 size_t
-DisplayThreadsInfo (CommandInterpreter *interpreter,
+DisplayThreadsInfo (CommandInterpreter &interpreter,
                     ExecutionContext *exe_ctx,
                     CommandReturnObject &result,
                     bool only_threads_with_stop_reason,
@@ -62,7 +46,7 @@
 
 size_t
 DisplayFramesForExecutionContext (Thread *thread,
-                                  CommandInterpreter *interpreter,
+                                  CommandInterpreter &interpreter,
                                   Stream& strm,
                                   bool ascending,
                                   uint32_t first_frame,
@@ -75,7 +59,7 @@
 bool
 DisplayFrameForExecutionContext (Thread *thread,
                                  StackFrame *frame,
-                                 CommandInterpreter *interpreter,
+                                 CommandInterpreter &interpreter,
                                  Stream& strm,
                                  bool show_frame_info,
                                  bool show_source,
diff --git a/source/Commands/CommandObjectTranslate.cpp b/source/Commands/CommandObjectTranslate.cpp
deleted file mode 100644
index ef89915..0000000
--- a/source/Commands/CommandObjectTranslate.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-//===-- CommandObjectTranslate.cpp ------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CommandObjectTranslate.h"
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/Args.h"
-#include "lldb/Interpreter/Options.h"
-
-#include "lldb/Interpreter/CommandInterpreter.h"
-#include "lldb/Interpreter/CommandReturnObject.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-//-------------------------------------------------------------------------
-// CommandObjectTranslate
-//-------------------------------------------------------------------------
-
-CommandObjectTranslate::CommandObjectTranslate () :
-    CommandObject ("translate",
-                     "Shows the actual function called for a given debugger command.",
-                     "translate <command>")
-{
-}
-
-CommandObjectTranslate::~CommandObjectTranslate()
-{
-}
-
-
-bool
-CommandObjectTranslate::Execute
-(
-    Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
-    CommandReturnObject &result
-)
-{
-    CommandObject *cmd_obj;
-
-    if (command.GetArgumentCount() != 0)
-    {
-        cmd_obj = interpreter->GetCommandObject(command.GetArgumentAtIndex(0));
-        if (cmd_obj)
-        {
-            result.SetStatus (eReturnStatusSuccessFinishNoResult);
-            result.AppendMessageWithFormat ("%s\n", cmd_obj->Translate());
-        }
-        else
-        {
-            result.AppendErrorWithFormat
-            ("'%s' is not a known command.\nTry 'help' to see a current list of commands.\n",
-             command.GetArgumentAtIndex(0));
-            result.SetStatus (eReturnStatusFailed);
-        }
-    }
-    else
-    {
-        result.AppendError ("must call translate with a valid command");
-        result.SetStatus (eReturnStatusFailed);
-    }
-
-    return result.Succeeded();
-}
diff --git a/source/Commands/CommandObjectTranslate.h b/source/Commands/CommandObjectTranslate.h
deleted file mode 100644
index efc3c8b..0000000
--- a/source/Commands/CommandObjectTranslate.h
+++ /dev/null
@@ -1,44 +0,0 @@
-//===-- CommandObjectTranslate.h --------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_CommandObjectTranslate_h_
-#define liblldb_CommandObjectTranslate_h_
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Interpreter/CommandObject.h"
-
-namespace lldb_private {
-
-//-------------------------------------------------------------------------
-// CommandObjectTranslate
-//-------------------------------------------------------------------------
-
-class CommandObjectTranslate : public CommandObject
-{
-public:
-
-    CommandObjectTranslate ();
-
-    virtual
-    ~CommandObjectTranslate ();
-
-    virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
-
-};
-
-} // namespace lldb_private
-
-#endif  // liblldb_CommandObjectTranslate_h_
diff --git a/source/Commands/CommandObjectUnalias.cpp b/source/Commands/CommandObjectUnalias.cpp
index 6c2f508..253414c 100644
--- a/source/Commands/CommandObjectUnalias.cpp
+++ b/source/Commands/CommandObjectUnalias.cpp
@@ -25,8 +25,8 @@
 
 CommandObjectUnalias::CommandObjectUnalias () :
     CommandObject ("unalias",
-                     "Allows the user to remove/delete a user-defined command abbreviation.",
-                     "unalias <alias-name-to-be-removed>")
+                   "Allows the user to remove/delete a user-defined command abbreviation.",
+                   "unalias <alias-name-to-be-removed>")
 {
 }
 
@@ -36,8 +36,12 @@
 
 
 bool
-CommandObjectUnalias::Execute (Args& args, CommandContext *context, CommandInterpreter *interpreter,
-                               CommandReturnObject &result)
+CommandObjectUnalias::Execute
+(
+    CommandInterpreter &interpreter,
+    Args& args,
+    CommandReturnObject &result
+)
 {
     CommandObject::CommandMap::iterator pos;
     CommandObject *cmd_obj;
@@ -45,10 +49,10 @@
     if (args.GetArgumentCount() != 0)
     {
         const char *command_name = args.GetArgumentAtIndex(0);
-        cmd_obj = interpreter->GetCommandObject(command_name);
+        cmd_obj = interpreter.GetCommandObject(command_name);
         if (cmd_obj)
         {
-            if (interpreter->CommandExists (command_name))
+            if (interpreter.CommandExists (command_name))
             {
                 result.AppendErrorWithFormat ("'%s' is a permanent debugger command and cannot be removed.\n",
                                               command_name);
@@ -57,9 +61,9 @@
             else
             {
 
-                if (interpreter->RemoveAlias (command_name) == false)
+                if (interpreter.RemoveAlias (command_name) == false)
                 {
-                    if (interpreter->AliasExists (command_name))
+                    if (interpreter.AliasExists (command_name))
                         result.AppendErrorWithFormat ("Error occurred while attempting to unalias '%s'.\n", command_name);
                     else
                         result.AppendErrorWithFormat ("'%s' is not an existing alias.\n", command_name);
diff --git a/source/Commands/CommandObjectUnalias.h b/source/Commands/CommandObjectUnalias.h
index 5d1cafb..29ce9a4 100644
--- a/source/Commands/CommandObjectUnalias.h
+++ b/source/Commands/CommandObjectUnalias.h
@@ -32,9 +32,8 @@
     ~CommandObjectUnalias ();
 
     virtual bool
-    Execute (Args& args,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& args,
              CommandReturnObject &result);
 
 };
diff --git a/source/Commands/CommandObjectVariable.cpp b/source/Commands/CommandObjectVariable.cpp
index 3982734..a14fa51 100644
--- a/source/Commands/CommandObjectVariable.cpp
+++ b/source/Commands/CommandObjectVariable.cpp
@@ -465,12 +465,14 @@
     }
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result)
+    Execute
+    (
+        CommandInterpreter &interpreter,
+        Args& command,
+        CommandReturnObject &result
+    )
     {
-        ExecutionContext exe_ctx(context->GetExecutionContext());
+        ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext());
         if (exe_ctx.frame == NULL)
         {
             result.AppendError ("invalid frame");
@@ -492,14 +494,13 @@
             if (!m_options.globals.empty())
             {
                 uint32_t fail_count = 0;
-                Target *target = context->GetTarget();
-                if (target)
+                if (exe_ctx.target)
                 {
                     const size_t num_globals = m_options.globals.size();
                     for (idx = 0; idx < num_globals; ++idx)
                     {
                         VariableList global_var_list;
-                        const uint32_t num_matching_globals = target->GetImages().FindGlobalVariables (m_options.globals[idx], true, UINT32_MAX, global_var_list);
+                        const uint32_t num_matching_globals = exe_ctx.target->GetImages().FindGlobalVariables (m_options.globals[idx], true, UINT32_MAX, global_var_list);
 
                         if (num_matching_globals == 0)
                         {
@@ -781,12 +782,12 @@
 //----------------------------------------------------------------------
 // CommandObjectVariable constructor
 //----------------------------------------------------------------------
-CommandObjectVariable::CommandObjectVariable(CommandInterpreter *interpreter) :
+CommandObjectVariable::CommandObjectVariable(CommandInterpreter &interpreter) :
     CommandObjectMultiword ("variable",
-                              "Access program arguments, locals, static and global variables.",
-                              "variable [list] ...")
+                            "Access program arguments, locals, static and global variables.",
+                            "variable [list] ...")
 {
-    LoadSubCommand (CommandObjectSP (new CommandObjectVariableList ()), "list", interpreter);
+    LoadSubCommand (interpreter, "list", CommandObjectSP (new CommandObjectVariableList ()));
 }
 
 //----------------------------------------------------------------------
diff --git a/source/Commands/CommandObjectVariable.h b/source/Commands/CommandObjectVariable.h
index 65869c7..c13b4b7 100644
--- a/source/Commands/CommandObjectVariable.h
+++ b/source/Commands/CommandObjectVariable.h
@@ -26,7 +26,7 @@
 {
 public:
 
-    CommandObjectVariable (CommandInterpreter *iterpreter);
+    CommandObjectVariable (CommandInterpreter &interpreter);
 
     virtual
     ~CommandObjectVariable ();
diff --git a/source/Core/Debugger.cpp b/source/Core/Debugger.cpp
index c106d83..0b7676c 100644
--- a/source/Core/Debugger.cpp
+++ b/source/Core/Debugger.cpp
@@ -13,7 +13,7 @@
 #include "lldb/Core/InputReader.h"
 #include "lldb/Core/State.h"
 #include "lldb/Core/Timer.h"
-
+#include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Target/TargetList.h"
 #include "lldb/Target/Process.h"
 #include "lldb/Target/Thread.h"
@@ -22,115 +22,137 @@
 using namespace lldb;
 using namespace lldb_private;
 
-int Debugger::g_shared_debugger_refcount = 0;
-bool Debugger::g_in_terminate = false;
-
-Debugger::DebuggerSP &
-Debugger::GetDebuggerSP ()
-{
-    static DebuggerSP g_shared_debugger_sp;
-    return g_shared_debugger_sp;
-}
+static uint32_t g_shared_debugger_refcount = 0;
 
 void
 Debugger::Initialize ()
 {
-    g_shared_debugger_refcount++;
-    if (GetDebuggerSP().get() == NULL)
-    {
-        GetDebuggerSP().reset (new Debugger());
+    if (g_shared_debugger_refcount == 0)
         lldb_private::Initialize();
-        GetDebuggerSP()->GetCommandInterpreter().Initialize();
-    }
+    g_shared_debugger_refcount++;
 }
 
 void
 Debugger::Terminate ()
 {
-    g_shared_debugger_refcount--;
-    if (g_shared_debugger_refcount == 0)
+    if (g_shared_debugger_refcount > 0)
     {
-        // Because Terminate is called also in the destructor, we need to make sure
-        // that none of the calls to GetSharedInstance leads to a call to Initialize,
-        // thus bumping the refcount back to 1 & causing Debugger::~Debugger to try to 
-        // re-terminate.  So we use g_in_terminate to indicate this condition.
-        // When we can require at least Initialize to be called, we won't have to do
-        // this since then the GetSharedInstance won't have to auto-call Initialize...
-        
-        g_in_terminate = true;
-        int num_targets = GetDebuggerSP()->GetTargetList().GetNumTargets();
-        for (int i = 0; i < num_targets; i++)
+        g_shared_debugger_refcount--;
+        if (g_shared_debugger_refcount == 0)
         {
-            ProcessSP process_sp(GetDebuggerSP()->GetTargetList().GetTargetAtIndex (i)->GetProcessSP());
-            if (process_sp)
-                process_sp->Destroy();
+            lldb_private::WillTerminate();
+            lldb_private::Terminate();
         }
-        GetDebuggerSP()->DisconnectInput();
-        lldb_private::WillTerminate();
-        GetDebuggerSP().reset();
     }
 }
 
-Debugger &
-Debugger::GetSharedInstance()
+typedef std::vector<DebuggerSP> DebuggerList;
+
+static Mutex &
+GetDebuggerListMutex ()
 {
-    // Don't worry about thread race conditions with the code below as
-    // lldb_private::Initialize(); does this in a thread safe way. I just
-    // want to avoid having to lock and unlock a mutex in
-    // lldb_private::Initialize(); every time we want to access the
-    // Debugger shared instance.
-    
-    // FIXME: We intend to require clients to call Initialize by hand (since they
-    // will also have to call Terminate by hand.)  But for now it is not clear where
-    // we can reliably call these in JH.  So the present version initializes on first use
-    // here, and terminates in the destructor.
-    if (g_shared_debugger_refcount == 0 && !g_in_terminate)
-        Initialize();
-        
-    assert(GetDebuggerSP().get()!= NULL);
-    return *(GetDebuggerSP().get());
+    static Mutex g_mutex(Mutex::eMutexTypeRecursive);
+    return g_mutex;
 }
 
+static DebuggerList &
+GetDebuggerList()
+{
+    // hide the static debugger list inside a singleton accessor to avoid
+    // global init contructors
+    static DebuggerList g_list;
+    return g_list;
+}
+
+
+DebuggerSP
+Debugger::CreateInstance ()
+{
+    DebuggerSP debugger_sp (new Debugger);
+    // Scope for locker
+    {
+        Mutex::Locker locker (GetDebuggerListMutex ());
+        GetDebuggerList().push_back(debugger_sp);
+    }
+    return debugger_sp;
+}
+
+lldb::DebuggerSP
+Debugger::GetSP ()
+{
+    lldb::DebuggerSP debugger_sp;
+    
+    Mutex::Locker locker (GetDebuggerListMutex ());
+    DebuggerList &debugger_list = GetDebuggerList();
+    DebuggerList::iterator pos, end = debugger_list.end();
+    for (pos = debugger_list.begin(); pos != end; ++pos)
+    {
+        if ((*pos).get() == this)
+        {
+            debugger_sp = *pos;
+            break;
+        }
+    }
+    return debugger_sp;
+}
+
+
+TargetSP
+Debugger::FindTargetWithProcessID (lldb::pid_t pid)
+{
+    lldb::TargetSP target_sp;
+    Mutex::Locker locker (GetDebuggerListMutex ());
+    DebuggerList &debugger_list = GetDebuggerList();
+    DebuggerList::iterator pos, end = debugger_list.end();
+    for (pos = debugger_list.begin(); pos != end; ++pos)
+    {
+        target_sp = (*pos)->GetTargetList().FindTargetWithProcessID (pid);
+        if (target_sp)
+            break;
+    }
+    return target_sp;
+}
+
+
 Debugger::Debugger () :
     m_input_comm("debugger.input"),
     m_input_file (),
     m_output_file (),
     m_error_file (),
-    m_async_execution (true),
     m_target_list (),
     m_listener ("lldb.Debugger"),
     m_source_manager (),
-    m_command_interpreter (eScriptLanguageDefault, false, &m_listener, m_source_manager),
+    m_command_interpreter_ap (new CommandInterpreter (*this, eScriptLanguageDefault, false)),
+    m_exe_ctx (),
     m_input_readers (),
     m_input_reader_data ()
 {
+    m_command_interpreter_ap->Initialize ();
 }
 
 Debugger::~Debugger ()
 {
-    // FIXME:
-    // Remove this once this version of lldb has made its way through a build.
-    Terminate();
+    int num_targets = m_target_list.GetNumTargets();
+    for (int i = 0; i < num_targets; i++)
+    {
+        ProcessSP process_sp (m_target_list.GetTargetAtIndex (i)->GetProcessSP());
+        if (process_sp)
+            process_sp->Destroy();
+    }
+    DisconnectInput();
 }
 
 
 bool
 Debugger::GetAsyncExecution ()
 {
-    return m_async_execution;
+    return !m_command_interpreter_ap->GetSynchronous();
 }
 
 void
 Debugger::SetAsyncExecution (bool async_execution)
 {
-    static bool value_has_been_set = false;
-
-    if (!value_has_been_set)
-    {
-        value_has_been_set = true;
-        m_async_execution = async_execution;
-        m_command_interpreter.SetSynchronous (!async_execution);
-    }
+    m_command_interpreter_ap->SetSynchronous (!async_execution);
 }
 
 void
@@ -203,7 +225,8 @@
 CommandInterpreter &
 Debugger::GetCommandInterpreter ()
 {
-    return m_command_interpreter;
+    assert (m_command_interpreter_ap.get());
+    return *m_command_interpreter_ap;
 }
 
 Listener &
@@ -432,3 +455,39 @@
         }
     }
 }
+
+void
+Debugger::UpdateExecutionContext (ExecutionContext *override_context)
+{
+    m_exe_ctx.Clear();
+
+    if (override_context != NULL)
+    {
+        m_exe_ctx.target = override_context->target;
+        m_exe_ctx.process = override_context->process;
+        m_exe_ctx.thread = override_context->thread;
+        m_exe_ctx.frame = override_context->frame;
+    }
+    else
+    {
+        TargetSP target_sp (GetCurrentTarget());
+        if (target_sp)
+        {
+            m_exe_ctx.target = target_sp.get();
+            m_exe_ctx.process = target_sp->GetProcessSP().get();
+            if (m_exe_ctx.process && m_exe_ctx.process->IsRunning() == false)
+            {
+                m_exe_ctx.thread = m_exe_ctx.process->GetThreadList().GetCurrentThread().get();
+                if (m_exe_ctx.thread == NULL)
+                    m_exe_ctx.thread = m_exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get();
+                if (m_exe_ctx.thread)
+                {
+                    m_exe_ctx.frame = m_exe_ctx.thread->GetCurrentFrame().get();
+                    if (m_exe_ctx.frame == NULL)
+                        m_exe_ctx.frame = m_exe_ctx.thread->GetStackFrameAtIndex (0).get();
+                }
+            }
+        }
+    }
+}
+
diff --git a/source/Core/Disassembler.cpp b/source/Core/Disassembler.cpp
index 570ff72..9cdf618 100644
--- a/source/Core/Disassembler.cpp
+++ b/source/Core/Disassembler.cpp
@@ -55,6 +55,7 @@
 bool
 Disassembler::Disassemble
 (
+    Debugger &debugger,
     const ArchSpec &arch,
     const ExecutionContext &exe_ctx,
     uint32_t mixed_context_lines,
@@ -144,7 +145,7 @@
 
                                                 if (sc.comp_unit && sc.line_entry.IsValid())
                                                 {
-                                                    Debugger::GetSharedInstance().GetSourceManager().DisplaySourceLinesWithLineNumbers (
+                                                    debugger.GetSourceManager().DisplaySourceLinesWithLineNumbers (
                                                             sc.line_entry.file,
                                                             sc.line_entry.line,
                                                             mixed_context_lines,
diff --git a/source/Core/InputReader.cpp b/source/Core/InputReader.cpp
index c139a87..afda9fa 100644
--- a/source/Core/InputReader.cpp
+++ b/source/Core/InputReader.cpp
@@ -15,7 +15,8 @@
 using namespace lldb;
 using namespace lldb_private;
 
-InputReader::InputReader () :
+InputReader::InputReader (Debugger &debugger) :
+    m_debugger (debugger),
     m_callback (NULL),
     m_callback_baton (NULL),
     m_end_token (),
@@ -126,7 +127,7 @@
                 break;
             }
 
-            if (m_callback (m_callback_baton, this, eInputReaderGotToken, p, 1) == 0)
+            if (m_callback (m_callback_baton, *this, eInputReaderGotToken, p, 1) == 0)
                 break;
             ++p;
             if (IsDone())
@@ -175,7 +176,7 @@
                 {
                     const size_t word_len = p - word_start;
                     size_t bytes_handled = m_callback (m_callback_baton, 
-                                                       this, 
+                                                       *this, 
                                                        eInputReaderGotToken, 
                                                        word_start,
                                                        word_len);
@@ -212,7 +213,7 @@
                     {
                         SetIsDone(true);
                         m_callback (m_callback_baton, 
-                                    this, 
+                                    *this, 
                                     eInputReaderGotToken, 
                                     line_start, 
                                     end_token - line_start);
@@ -221,7 +222,7 @@
                     }
 
                     size_t bytes_handled = m_callback (m_callback_baton, 
-                                                       this, 
+                                                       *this, 
                                                        eInputReaderGotToken, 
                                                        line_start, 
                                                        line_length);
@@ -259,7 +260,7 @@
             {
                 size_t length = end_token - bytes;
                 size_t bytes_handled = m_callback (m_callback_baton, 
-                                                   this, 
+                                                   *this, 
                                                    eInputReaderGotToken, 
                                                    bytes, 
                                                    length);
@@ -287,19 +288,6 @@
     return 0;
 }
 
-
-FILE *
-InputReader::GetInputFileHandle ()
-{
-    return Debugger::GetSharedInstance().GetInputFileHandle ();
-}
-
-FILE *
-InputReader::GetOutputFileHandle ()
-{
-    return Debugger::GetSharedInstance().GetOutputFileHandle ();
-}
-
 const char *
 InputReader::GetPrompt () const
 {
@@ -314,7 +302,7 @@
 {
     if (!m_prompt.empty())
     {
-        FILE *out_fh = GetOutputFileHandle();
+        FILE *out_fh = m_debugger.GetOutputFileHandle();
         if (out_fh)
             ::fprintf (out_fh, "%s", m_prompt.c_str());
     }
@@ -339,5 +327,5 @@
         return; // We don't notify the tokens here, it is done in HandleRawBytes
     }
     if (m_callback)
-        m_callback (m_callback_baton, this, notification, NULL, 0);
+        m_callback (m_callback_baton, *this, notification, NULL, 0);
 }
diff --git a/source/Core/Log.cpp b/source/Core/Log.cpp
index 217f6c4..1be3c52 100644
--- a/source/Core/Log.cpp
+++ b/source/Core/Log.cpp
@@ -43,18 +43,8 @@
     if (set)
         g_stream_sp = stream_sp;
     else
-    {
-        if (g_stream_sp)
-            stream_sp = g_stream_sp;
-        else
-        {
-            FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-            if (out_fh)
-                stream_sp.reset(new StreamFile(out_fh));
-            else
-                stream_sp.reset();
-        }
-    }
+        stream_sp = g_stream_sp;
+
     return stream_sp.get();
 }
 
@@ -91,7 +81,7 @@
     // Since we are in a shared library and we can't have global
     // constructors, we need to control access to this static variable
     // through an accessor function to get and set the value.
-    static StreamSP g_stream_sp(new StreamFile(Debugger::GetSharedInstance().GetErrorFileHandle()));
+    static StreamSP g_stream_sp;
 
     if (set)
         g_stream_sp = stream_sp;
diff --git a/source/Interpreter/CommandContext.cpp b/source/Interpreter/CommandContext.cpp
deleted file mode 100644
index 012611c..0000000
--- a/source/Interpreter/CommandContext.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-//===-- CommandContext.cpp --------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "lldb/Interpreter/CommandContext.h"
-
-#include "lldb/Core/Debugger.h"
-#include "lldb/Core/StreamString.h"
-#include "lldb/Interpreter/CommandObject.h"
-#include "lldb/Interpreter/CommandReturnObject.h"
-#include "lldb/Target/Process.h"
-#include "lldb/Target/Target.h"
-#include "lldb/Target/Thread.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-CommandContext::CommandContext () :
-    m_exe_ctx ()
-{
-}
-
-CommandContext::~CommandContext ()
-{
-}
-
-Target *
-CommandContext::GetTarget()
-{
-    return Debugger::GetSharedInstance().GetCurrentTarget().get();
-}
-
-
-ExecutionContext &
-CommandContext::GetExecutionContext()
-{
-    return m_exe_ctx;
-}
-
-void
-CommandContext::Update (ExecutionContext *override_context)
-{
-    m_exe_ctx.Clear();
-
-    if (override_context != NULL)
-    {
-        m_exe_ctx.target = override_context->target;
-        m_exe_ctx.process = override_context->process;
-        m_exe_ctx.thread = override_context->thread;
-        m_exe_ctx.frame = override_context->frame;
-    }
-    else
-    {
-        TargetSP target_sp (Debugger::GetSharedInstance().GetCurrentTarget());
-        if (target_sp)
-        {
-            m_exe_ctx.process = target_sp->GetProcessSP().get();
-            if (m_exe_ctx.process && m_exe_ctx.process->IsRunning() == false)
-            {
-                m_exe_ctx.thread = m_exe_ctx.process->GetThreadList().GetCurrentThread().get();
-                if (m_exe_ctx.thread == NULL)
-                    m_exe_ctx.thread = m_exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get();
-                if (m_exe_ctx.thread)
-                {
-                    m_exe_ctx.frame = m_exe_ctx.thread->GetCurrentFrame().get();
-                    if (m_exe_ctx.frame == NULL)
-                        m_exe_ctx.frame = m_exe_ctx.thread->GetStackFrameAtIndex (0).get();
-                }
-            }
-        }
-    }
-}
diff --git a/source/Interpreter/CommandInterpreter.cpp b/source/Interpreter/CommandInterpreter.cpp
index 2c278b1..984711d 100644
--- a/source/Interpreter/CommandInterpreter.cpp
+++ b/source/Interpreter/CommandInterpreter.cpp
@@ -12,7 +12,6 @@
 #include <getopt.h>
 #include <stdlib.h>
 
-#include "../Commands/CommandObjectAdd.h"
 #include "../Commands/CommandObjectAlias.h"
 #include "../Commands/CommandObjectAppend.h"
 #include "../Commands/CommandObjectApropos.h"
@@ -33,7 +32,6 @@
 #include "../Commands/CommandObjectQuit.h"
 #include "lldb/Interpreter/CommandObjectRegexCommand.h"
 #include "../Commands/CommandObjectRegister.h"
-#include "../Commands/CommandObjectRemove.h"
 #include "CommandObjectScript.h"
 #include "../Commands/CommandObjectSelect.h"
 #include "../Commands/CommandObjectSet.h"
@@ -44,7 +42,6 @@
 #include "../Commands/CommandObjectSyntax.h"
 #include "../Commands/CommandObjectTarget.h"
 #include "../Commands/CommandObjectThread.h"
-#include "../Commands/CommandObjectTranslate.h"
 #include "../Commands/CommandObjectUnalias.h"
 #include "../Commands/CommandObjectVariable.h"
 
@@ -64,16 +61,14 @@
 
 CommandInterpreter::CommandInterpreter
 (
+    Debugger &debugger,
     ScriptLanguage script_language,
-    bool synchronous_execution,
-    Listener *listener,
-    SourceManager& source_manager
+    bool synchronous_execution
 ) :
     Broadcaster ("CommandInterpreter"),
+    m_debugger (debugger),
     m_script_language (script_language),
-    m_synchronous_execution (synchronous_execution),
-    m_listener (listener),
-    m_source_manager (source_manager)
+    m_synchronous_execution (synchronous_execution)
 {
 }
 
@@ -204,43 +199,38 @@
     // the crossref object exists and is ready to take the cross reference. Put the cross referencing command
     // objects into the CommandDictionary now, so they are ready for use when the other commands get created.
 
-    m_command_dict["select"] = CommandObjectSP (new CommandObjectSelect ());
-    m_command_dict["info"] = CommandObjectSP (new CommandObjectInfo ());
-    m_command_dict["delete"] = CommandObjectSP (new CommandObjectDelete ());
+    m_command_dict["select"]    = CommandObjectSP (new CommandObjectSelect ());
+    m_command_dict["info"]      = CommandObjectSP (new CommandObjectInfo ());
+    m_command_dict["delete"]    = CommandObjectSP (new CommandObjectDelete ());
 
     // Non-CommandObjectCrossref commands can now be created.
 
-    //m_command_dict["add"]       = CommandObjectSP (new CommandObjectAdd ());
     m_command_dict["alias"]     = CommandObjectSP (new CommandObjectAlias ());
     m_command_dict["append"]    = CommandObjectSP (new CommandObjectAppend ());
     m_command_dict["apropos"]   = CommandObjectSP (new CommandObjectApropos ());
-    //m_command_dict["args"]      = CommandObjectSP (new CommandObjectArgs ());
-    m_command_dict["breakpoint"]= CommandObjectSP (new CommandObjectMultiwordBreakpoint (this));
+    m_command_dict["breakpoint"]= CommandObjectSP (new CommandObjectMultiwordBreakpoint (*this));
     m_command_dict["call"]      = CommandObjectSP (new CommandObjectCall ());
     m_command_dict["disassemble"] = CommandObjectSP (new CommandObjectDisassemble ());
     m_command_dict["expression"]= CommandObjectSP (new CommandObjectExpression ());
     m_command_dict["file"]      = CommandObjectSP (new CommandObjectFile ());
-    m_command_dict["frame"]     = CommandObjectSP (new CommandObjectMultiwordFrame (this));
+    m_command_dict["frame"]     = CommandObjectSP (new CommandObjectMultiwordFrame (*this));
     m_command_dict["help"]      = CommandObjectSP (new CommandObjectHelp ());
-    m_command_dict["image"]     = CommandObjectSP (new CommandObjectImage (this));
-    m_command_dict["log"]       = CommandObjectSP (new CommandObjectLog (this));
-    m_command_dict["memory"]    = CommandObjectSP (new CommandObjectMemory (this));
-    m_command_dict["process"]   = CommandObjectSP (new CommandObjectMultiwordProcess (this));
+    m_command_dict["image"]     = CommandObjectSP (new CommandObjectImage (*this));
+    m_command_dict["log"]       = CommandObjectSP (new CommandObjectLog (*this));
+    m_command_dict["memory"]    = CommandObjectSP (new CommandObjectMemory (*this));
+    m_command_dict["process"]   = CommandObjectSP (new CommandObjectMultiwordProcess (*this));
     m_command_dict["quit"]      = CommandObjectSP (new CommandObjectQuit ());
-    m_command_dict["register"]  = CommandObjectSP (new CommandObjectRegister (this));
-    //m_command_dict["remove"]    = CommandObjectSP (new CommandObjectRemove ());
+    m_command_dict["register"]  = CommandObjectSP (new CommandObjectRegister (*this));
     m_command_dict["script"]    = CommandObjectSP (new CommandObjectScript (m_script_language));
     m_command_dict["set"]       = CommandObjectSP (new CommandObjectSet ());
     m_command_dict["settings"]  = CommandObjectSP (new CommandObjectSettings ());
     m_command_dict["show"]      = CommandObjectSP (new CommandObjectShow ());
     m_command_dict["source"]    = CommandObjectSP (new CommandObjectSource ());
     m_command_dict["source-file"] = CommandObjectSP (new CommandObjectSourceFile ());
-    //m_command_dict["syntax"]    = CommandObjectSP (new CommandObjectSyntax ());
-    m_command_dict["target"]    = CommandObjectSP (new CommandObjectMultiwordTarget (this));
-    m_command_dict["thread"]    = CommandObjectSP (new CommandObjectMultiwordThread (this));
-    //m_command_dict["translate"] = CommandObjectSP (new CommandObjectTranslate ());
+    m_command_dict["target"]    = CommandObjectSP (new CommandObjectMultiwordTarget (*this));
+    m_command_dict["thread"]    = CommandObjectSP (new CommandObjectMultiwordThread (*this));
     m_command_dict["unalias"]   = CommandObjectSP (new CommandObjectUnalias ());
-    m_command_dict["variable"]  = CommandObjectSP (new CommandObjectVariable (this));
+    m_command_dict["variable"]  = CommandObjectSP (new CommandObjectVariable (*this));
 
     std::auto_ptr<CommandObjectRegexCommand>
     break_regex_cmd_ap(new CommandObjectRegexCommand ("regexp-break",
@@ -568,8 +558,13 @@
 // parses the line and takes the appropriate actions.
 
 bool
-CommandInterpreter::HandleCommand (const char *command_line, bool add_to_history, CommandReturnObject &result,
-                                   ExecutionContext *override_context)
+CommandInterpreter::HandleCommand 
+(
+    const char *command_line, 
+    bool add_to_history,
+    CommandReturnObject &result,
+    ExecutionContext *override_context
+)
 {
     // FIXME: there should probably be a mutex to make sure only one thread can
     // run the interpreter at a time.
@@ -580,7 +575,7 @@
 //        result.AppendMessageWithFormat ("Processing command: %s\n", command_line);
 //    }
 
-    m_current_context.Update (override_context);
+    m_debugger.UpdateExecutionContext (override_context);
 
     if (command_line == NULL || command_line[0] == '\0')
     {
@@ -639,7 +634,7 @@
                         stripped_command += strlen(command_cstr);
                         while (isspace(*stripped_command))
                             ++stripped_command;
-                        command_obj->ExecuteRawCommandString(stripped_command, Context(), this, result);
+                        command_obj->ExecuteRawCommandString (*this, stripped_command, result);
                     }
                 }
                 else
@@ -649,7 +644,7 @@
 
                     // Remove the command from the args.
                     command_args.Shift();
-                    command_obj->ExecuteWithOptions (command_args, Context(), this, result);
+                    command_obj->ExecuteWithOptions (*this, command_args, result);
                 }
             }
             else
@@ -658,9 +653,12 @@
                 int num_matches;
                 int cursor_index = command_args.GetArgumentCount() - 1;
                 int cursor_char_position = strlen (command_args.GetArgumentAtIndex(command_args.GetArgumentCount() - 1));
-                num_matches = HandleCompletionMatches (command_args, cursor_index,
-                                                        cursor_char_position,
-                                                       0, -1, matches);
+                num_matches = HandleCompletionMatches (command_args, 
+                                                       cursor_index,
+                                                       cursor_char_position,
+                                                       0, 
+                                                       -1, 
+                                                       matches);
 
                 if (num_matches > 0)
                 {
@@ -740,8 +738,12 @@
         {
             parsed_line.Shift();
             cursor_index--;
-            num_command_matches = command_object->HandleCompletion (parsed_line, cursor_index, cursor_char_position,
-                                                                    match_start_point, max_return_elements, this,
+            num_command_matches = command_object->HandleCompletion (*this,
+                                                                    parsed_line, 
+                                                                    cursor_index, 
+                                                                    cursor_char_position,
+                                                                    match_start_point, 
+                                                                    max_return_elements, 
                                                                     matches);
         }
     }
@@ -779,8 +781,12 @@
 
     // Only max_return_elements == -1 is supported at present:
     assert (max_return_elements == -1);
-    num_command_matches = HandleCompletionMatches (parsed_line, cursor_index, cursor_char_position, match_start_point,
-                                                   max_return_elements, matches);
+    num_command_matches = HandleCompletionMatches (parsed_line, 
+                                                   cursor_index, 
+                                                   cursor_char_position, 
+                                                   match_start_point,
+                                                   max_return_elements, 
+                                                   matches);
 
     if (num_command_matches <= 0)
             return num_command_matches;
@@ -817,12 +823,6 @@
     return num_command_matches;
 }
 
-CommandContext *
-CommandInterpreter::Context ()
-{
-    return &m_current_context;
-}
-
 const Args *
 CommandInterpreter::GetProgramArguments ()
 {
@@ -916,20 +916,6 @@
     m_script_language = lang;
 }
 
-Listener *
-CommandInterpreter::GetListener ()
-{
-    return m_listener;
-}
-
-SourceManager &
-CommandInterpreter::GetSourceManager ()
-{
-    return m_source_manager;
-}
-
-
-
 OptionArgVectorSP
 CommandInterpreter::GetAliasOptions (const char *alias_name)
 {
@@ -1132,16 +1118,15 @@
 ScriptInterpreter *
 CommandInterpreter::GetScriptInterpreter ()
 {
-  CommandObject::CommandMap::iterator pos;
-
-  pos = m_command_dict.find ("script");
-  if (pos != m_command_dict.end())
+    CommandObject::CommandMap::iterator pos;
+    
+    pos = m_command_dict.find ("script");
+    if (pos != m_command_dict.end())
     {
-      CommandObject *script_cmd_obj = pos->second.get();
-      return ((CommandObjectScript *) script_cmd_obj)->GetInterpreter ();
+        CommandObject *script_cmd_obj = pos->second.get();
+        return ((CommandObjectScript *) script_cmd_obj)->GetInterpreter (*this);
     }
-  else
-      return NULL;
+    return NULL;
 }
 
 
diff --git a/source/Interpreter/CommandObject.cpp b/source/Interpreter/CommandObject.cpp
index eb8cdd2..384c03a 100644
--- a/source/Interpreter/CommandObject.cpp
+++ b/source/Interpreter/CommandObject.cpp
@@ -133,21 +133,20 @@
 bool
 CommandObject::ExecuteCommandString
 (
+    CommandInterpreter &interpreter,
     const char *command_line,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
     Args command_args(command_line);
-    return ExecuteWithOptions (command_args, context, interpreter, result);
+    return ExecuteWithOptions (interpreter, command_args, result);
 }
 
 bool
 CommandObject::ParseOptions
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -189,9 +188,8 @@
 bool
 CommandObject::ExecuteWithOptions
 (
+    CommandInterpreter &interpreter,
     Args& args,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -199,10 +197,10 @@
     {
         const char *tmp_str = args.GetArgumentAtIndex (i);
         if (tmp_str[0] == '`')  // back-quote
-            args.ReplaceArgumentAtIndex (i, interpreter->ProcessEmbeddedScriptCommands (tmp_str));
+            args.ReplaceArgumentAtIndex (i, interpreter.ProcessEmbeddedScriptCommands (tmp_str));
     }
 
-    Process *process = context->GetExecutionContext().process;
+    Process *process = interpreter.GetDebugger().GetExecutionContext().process;
     if (process == NULL)
     {
         if (GetFlags().IsSet(CommandObject::eFlagProcessMustBeLaunched | CommandObject::eFlagProcessMustBePaused))
@@ -248,11 +246,11 @@
         }
     }
     
-    if (!ParseOptions (args, interpreter, result))
+    if (!ParseOptions (interpreter, args, result))
         return false;
 
     // Call the command-specific version of 'Execute', passing it the already processed arguments.
-    return Execute (args, context, interpreter, result);
+    return Execute (interpreter, args, result);
 }
 
 class CommandDictCommandPartialMatch
@@ -300,12 +298,12 @@
 int
 CommandObject::HandleCompletion
 (
+    CommandInterpreter &interpreter,
     Args &input,
     int &cursor_index,
     int &cursor_char_position,
     int match_start_point,
     int max_return_elements,
-    CommandInterpreter *interpreter,
     StringList &matches
 )
 {
@@ -340,46 +338,30 @@
             input.DeleteArgumentAtIndex(input.GetArgumentCount() - 1);
 
             bool handled_by_options;
-            handled_by_options = cur_options->HandleOptionCompletion(input,
-                                                                     opt_element_vector,
-                                                                     cursor_index,
-                                                                     cursor_char_position,
-                                                                     match_start_point,
-                                                                     max_return_elements,
-                                                                     interpreter,
-                                                                     matches);
+            handled_by_options = cur_options->HandleOptionCompletion (interpreter, 
+                                                                      input,
+                                                                      opt_element_vector,
+                                                                      cursor_index,
+                                                                      cursor_char_position,
+                                                                      match_start_point,
+                                                                      max_return_elements,
+                                                                      matches);
             if (handled_by_options)
                 return matches.GetSize();
         }
 
         // If we got here, the last word is not an option or an option argument.
-        return HandleArgumentCompletion(input,
-                                        cursor_index,
-                                        cursor_char_position,
-                                        opt_element_vector,
-                                        match_start_point,
-                                        max_return_elements,
-                                        interpreter,
-                                        matches);
+        return HandleArgumentCompletion (interpreter, 
+                                         input,
+                                         cursor_index,
+                                         cursor_char_position,
+                                         opt_element_vector,
+                                         match_start_point,
+                                         max_return_elements,
+                                         matches);
     }
 }
 
-int
-CommandObject::HandleArgumentCompletion
-(
-    Args &input,
-    int &cursor_index,
-    int &cursor_char_position,
-    OptionElementVector &opt_element_vector,
-    int match_start_point,
-    int max_return_elements,
-    CommandInterpreter *interpreter,
-    StringList &matches
-)
-{
-    return 0;
-}
-
 // Case insensitive version of ::strstr()
 // Returns true if s2 is contained within s1.
 
diff --git a/source/Interpreter/CommandObjectRegexCommand.cpp b/source/Interpreter/CommandObjectRegexCommand.cpp
index b3fa6a4..e165fc8 100644
--- a/source/Interpreter/CommandObjectRegexCommand.cpp
+++ b/source/Interpreter/CommandObjectRegexCommand.cpp
@@ -46,9 +46,8 @@
 bool
 CommandObjectRegexCommand::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -59,9 +58,8 @@
 bool
 CommandObjectRegexCommand::ExecuteRawCommandString
 (
+    CommandInterpreter &interpreter,
     const char *command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
@@ -92,7 +90,7 @@
                 // Interpret the new command and return this as the result!
 //                if (m_options.verbose)
 //                    result.GetOutputStream().Printf("%s\n", new_command.c_str());
-                return interpreter->HandleCommand(new_command.c_str(), true, result);
+                return interpreter.HandleCommand(new_command.c_str(), true, result);
             }
         }
         result.SetStatus(eReturnStatusFailed);
diff --git a/source/Interpreter/CommandObjectScript.cpp b/source/Interpreter/CommandObjectScript.cpp
index 2cbca11..3a7362d 100644
--- a/source/Interpreter/CommandObjectScript.cpp
+++ b/source/Interpreter/CommandObjectScript.cpp
@@ -43,15 +43,12 @@
 bool
 CommandObjectScript::ExecuteRawCommandString
 (
+    CommandInterpreter &interpreter,
     const char *command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    std::string arg_str (command);
-
-    ScriptInterpreter *script_interpreter = GetInterpreter ();
+    ScriptInterpreter *script_interpreter = GetInterpreter (interpreter);
 
     if (script_interpreter == NULL)
     {
@@ -59,23 +56,11 @@
         result.SetStatus (eReturnStatusFailed);
     }
 
-    FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-    FILE *err_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-    if (out_fh && err_fh)
-    {
-        if (arg_str.empty())
-            script_interpreter->ExecuteInterpreterLoop (out_fh, err_fh);
-        else
-            script_interpreter->ExecuteOneLine (arg_str, out_fh, err_fh); 
-        result.SetStatus (eReturnStatusSuccessFinishNoResult);
-    }
+    if (command == NULL || command[0] == '\0')
+        script_interpreter->ExecuteInterpreterLoop (interpreter);
     else
-    {
-        if (out_fh == NULL)
-            result.AppendError("invalid output file handle");
-        else
-            result.AppendError("invalid error file handle");
-    }
+        script_interpreter->ExecuteOneLine (interpreter, command); 
+    result.SetStatus (eReturnStatusSuccessFinishNoResult);
     return result.Succeeded();
 }
 
@@ -88,60 +73,29 @@
 bool
 CommandObjectScript::Execute
 (
+    CommandInterpreter &interpreter,
     Args& command,
-    CommandContext *context,
-    CommandInterpreter *interpreter,
     CommandReturnObject &result
 )
 {
-    std::string arg_str;
-    ScriptInterpreter *script_interpreter = GetInterpreter ();
-
-    if (script_interpreter == NULL)
-    {
-        result.AppendError("no script interpeter");
-        result.SetStatus (eReturnStatusFailed);
-    }
-
-    const int argc = command.GetArgumentCount();
-    for (int i = 0; i < argc; ++i)
-        arg_str.append(command.GetArgumentAtIndex(i));
-
-
-    FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-    FILE *err_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
-    if (out_fh && err_fh)
-    {
-        if (arg_str.empty())
-            script_interpreter->ExecuteInterpreterLoop (out_fh, err_fh);
-        else
-            script_interpreter->ExecuteOneLine (arg_str, out_fh, err_fh); 
-        result.SetStatus (eReturnStatusSuccessFinishNoResult);
-    }
-    else
-    {
-        if (out_fh == NULL)
-            result.AppendError("invalid output file handle");
-        else
-            result.AppendError("invalid error file handle");
-    }
-    return result.Succeeded();
+    // everything should be handled in ExecuteRawCommandString
+    return false;
 }
 
 
 ScriptInterpreter *
-CommandObjectScript::GetInterpreter ()
+CommandObjectScript::GetInterpreter (CommandInterpreter &interpreter)
 {
     if (m_interpreter_ap.get() == NULL)
     {
         switch (m_script_lang)
         {
         case eScriptLanguagePython:
-            m_interpreter_ap.reset (new ScriptInterpreterPython ());
+            m_interpreter_ap.reset (new ScriptInterpreterPython (interpreter));
             break;
 
         case eScriptLanguageNone:
-            m_interpreter_ap.reset (new ScriptInterpreterNone ());
+            m_interpreter_ap.reset (new ScriptInterpreterNone (interpreter));
             break;
         }
     }
diff --git a/source/Interpreter/CommandObjectScript.h b/source/Interpreter/CommandObjectScript.h
index 7cd5751..d74f7b1 100644
--- a/source/Interpreter/CommandObjectScript.h
+++ b/source/Interpreter/CommandObjectScript.h
@@ -34,19 +34,17 @@
     bool WantsRawCommandString();
 
     virtual bool
-    ExecuteRawCommandString (const char *command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
-             CommandReturnObject &result);
+    ExecuteRawCommandString (CommandInterpreter &interpreter,
+                             const char *command,
+                             CommandReturnObject &result);
 
     virtual bool
-    Execute (Args& command,
-             CommandContext *context,
-             CommandInterpreter *interpreter,
+    Execute (CommandInterpreter &interpreter,
+             Args& command,
              CommandReturnObject &result);
 
     ScriptInterpreter *
-    GetInterpreter ();
+    GetInterpreter (CommandInterpreter &interpreter);
 
 private:
     lldb::ScriptLanguage m_script_lang;
diff --git a/source/Interpreter/Options.cpp b/source/Interpreter/Options.cpp
index 1f42e2a..9baa9d2 100644
--- a/source/Interpreter/Options.cpp
+++ b/source/Interpreter/Options.cpp
@@ -532,13 +532,13 @@
 bool
 Options::HandleOptionCompletion
 (
+    CommandInterpreter &interpreter,
     Args &input,
     OptionElementVector &opt_element_vector,
     int cursor_index,
     int char_pos,
     int match_start_point,
     int max_return_elements,
-    lldb_private::CommandInterpreter *interpreter,
     lldb_private::StringList &matches
 )
 {
@@ -625,15 +625,15 @@
 
             if (opt_defs_index != -1)
             {
-                HandleOptionArgumentCompletion (input,
-                                                 cursor_index,
-                                                 strlen (input.GetArgumentAtIndex(cursor_index)),
-                                                 opt_element_vector,
-                                                 i,
-                                                 match_start_point,
-                                                 max_return_elements,
-                                                 interpreter,
-                                                 matches);
+                HandleOptionArgumentCompletion (interpreter, 
+                                                input,
+                                                cursor_index,
+                                                strlen (input.GetArgumentAtIndex(cursor_index)),
+                                                opt_element_vector,
+                                                i,
+                                                match_start_point,
+                                                max_return_elements,
+                                                matches);
                 return true;
             }
             else
@@ -655,6 +655,7 @@
 bool
 Options::HandleOptionArgumentCompletion
 (
+    CommandInterpreter &interpreter,
     Args &input,
     int cursor_index,
     int char_pos,
@@ -662,7 +663,6 @@
     int opt_element_index,
     int match_start_point,
     int max_return_elements,
-    lldb_private::CommandInterpreter *interpreter,
     lldb_private::StringList &matches
 )
 {
@@ -713,7 +713,7 @@
                 if (module_name)
                 {
                     FileSpec module_spec(module_name);
-                    lldb::TargetSP target_sp = interpreter->Context()->GetTarget()->GetSP();
+                    lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
                     // Search filters require a target...
                     if (target_sp != NULL)
                         filter_ap.reset (new SearchFilterByModule (target_sp, module_spec));
@@ -723,12 +723,12 @@
         }
     }
 
-    return CommandCompletions::InvokeCommonCompletionCallbacks (completion_mask,
-                                                                 input.GetArgumentAtIndex (opt_arg_pos),
-                                                                 match_start_point,
-                                                                 max_return_elements,
-                                                                 interpreter,
-                                                                 filter_ap.get(),
-                                                                 matches);
-
+    return CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
+                                                                completion_mask,
+                                                                input.GetArgumentAtIndex (opt_arg_pos),
+                                                                match_start_point,
+                                                                max_return_elements,
+                                                                filter_ap.get(),
+                                                                matches);
+    
 }
diff --git a/source/Interpreter/ScriptInterpreterNone.cpp b/source/Interpreter/ScriptInterpreterNone.cpp
index cdc399e..c9bd282 100644
--- a/source/Interpreter/ScriptInterpreterNone.cpp
+++ b/source/Interpreter/ScriptInterpreterNone.cpp
@@ -10,11 +10,13 @@
 #include "lldb/Interpreter/ScriptInterpreterNone.h"
 #include "lldb/Core/Stream.h"
 #include "lldb/Core/StringList.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
 
 using namespace lldb;
 using namespace lldb_private;
 
-ScriptInterpreterNone::ScriptInterpreterNone () :
+ScriptInterpreterNone::ScriptInterpreterNone (CommandInterpreter &interpreter) :
     ScriptInterpreter (eScriptLanguageNone)
 {
 }
@@ -24,15 +26,15 @@
 }
 
 void
-ScriptInterpreterNone::ExecuteOneLine (const std::string &line, FILE *out, FILE *err)
+ScriptInterpreterNone::ExecuteOneLine (CommandInterpreter &interpreter, const char *command)
 {
-    ::fprintf (err, "error: there is no embedded script interpreter in this mode.\n");
+    interpreter.GetDebugger().GetErrorStream().PutCString ("error: there is no embedded script interpreter in this mode.\n");
 }
 
 void
-ScriptInterpreterNone::ExecuteInterpreterLoop (FILE *out, FILE *err)
+ScriptInterpreterNone::ExecuteInterpreterLoop (CommandInterpreter &interpreter)
 {
-    fprintf (err, "error: there is no embedded script interpreter in this mode.\n");
+    interpreter.GetDebugger().GetErrorStream().PutCString ("error: there is no embedded script interpreter in this mode.\n");
 }
 
 
diff --git a/source/Interpreter/ScriptInterpreterPython.cpp b/source/Interpreter/ScriptInterpreterPython.cpp
index 59eb464..5fb0130 100644
--- a/source/Interpreter/ScriptInterpreterPython.cpp
+++ b/source/Interpreter/ScriptInterpreterPython.cpp
@@ -24,6 +24,7 @@
 
 #include "lldb/Breakpoint/Breakpoint.h"
 #include "lldb/Breakpoint/BreakpointLocation.h"
+#include "lldb/Breakpoint/StoppointCallbackContext.h"
 #include "lldb/Core/Debugger.h"
 #include "lldb/Core/FileSpec.h"
 #include "lldb/Core/InputReader.h"
@@ -33,6 +34,7 @@
 #include "lldb/Host/Host.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Core/Debugger.h"
 #include "lldb/Target/Process.h"
 
 extern "C" void init_lldb (void);
@@ -139,7 +141,7 @@
   return fflush (stream) || prev_fail ? EOF : 0;
 }
 
-ScriptInterpreterPython::ScriptInterpreterPython () :
+ScriptInterpreterPython::ScriptInterpreterPython (CommandInterpreter &interpreter) :
     ScriptInterpreter (eScriptLanguagePython),
     m_compiled_module (NULL),
     m_termios_valid (false)
@@ -194,7 +196,7 @@
     }
 
     const char *pty_slave_name = GetScriptInterpreterPtyName ();
-    FILE *out_fh = Debugger::GetSharedInstance().GetOutputFileHandle();
+    FILE *out_fh = interpreter.GetDebugger().GetOutputFileHandle();
     
     PyObject *pmod = PyImport_ExecCodeModule(
                          const_cast<char*>("embedded_interpreter"),
@@ -249,14 +251,15 @@
 }
 
 void
-ScriptInterpreterPython::ExecuteOneLine (const std::string& line, FILE *out, FILE *err)
+ScriptInterpreterPython::ExecuteOneLine (CommandInterpreter &interpreter, const char *command)
 {
-    int success;
-
-    success = PyRun_SimpleString (line.c_str());
-    if (success != 0)
+    if (command)
     {
-        fprintf (err, "error: python failed attempting to evaluate '%s'\n", line.c_str());
+        int success;
+
+        success = PyRun_SimpleString (command);
+        if (success != 0)
+            interpreter.GetDebugger().GetErrorStream().Printf ("error: python failed attempting to evaluate '%s'\n", command);
     }
 }
 
@@ -266,7 +269,7 @@
 ScriptInterpreterPython::InputReaderCallback
 (
     void *baton, 
-    InputReader *reader, 
+    InputReader &reader, 
     lldb::InputReaderAction notification,
     const char *bytes, 
     size_t bytes_len
@@ -275,19 +278,20 @@
     if (baton == NULL)
         return 0;
 
-    ScriptInterpreterPython *interpreter = (ScriptInterpreterPython *) baton;            
+    ScriptInterpreterPython *script_interpreter = (ScriptInterpreterPython *) baton;            
     switch (notification)
     {
     case eInputReaderActivate:
         {
             // Save terminal settings if we can
-            interpreter->m_termios_valid = ::tcgetattr (::fileno (reader->GetInputFileHandle()), 
-                                                        &interpreter->m_termios) == 0;
+            FILE *input_fh = reader.GetDebugger().GetInputFileHandle();
+            int input_fd = ::fileno (input_fh);
+            script_interpreter->m_termios_valid = ::tcgetattr (input_fd, &script_interpreter->m_termios) == 0;
             struct termios tmp_termios;
-            if (::tcgetattr (::fileno (reader->GetInputFileHandle()), &tmp_termios) == 0)
+            if (::tcgetattr (input_fd, &tmp_termios) == 0)
             {
                 tmp_termios.c_cc[VEOF] = _POSIX_VDISABLE;
-                ::tcsetattr (::fileno (reader->GetInputFileHandle()), TCSANOW, &tmp_termios);
+                ::tcsetattr (input_fd, TCSANOW, &tmp_termios);
             }
         }
         break;
@@ -302,11 +306,11 @@
         if (bytes && bytes_len)
         {
             if ((int) bytes[0] == 4)
-                ::write (interpreter->GetMasterFileDescriptor(), "quit()", 6);
+                ::write (script_interpreter->GetMasterFileDescriptor(), "quit()", 6);
             else
-                ::write (interpreter->GetMasterFileDescriptor(), bytes, bytes_len);
+                ::write (script_interpreter->GetMasterFileDescriptor(), bytes, bytes_len);
         }
-        ::write (interpreter->GetMasterFileDescriptor(), "\n", 1);
+        ::write (script_interpreter->GetMasterFileDescriptor(), "\n", 1);
         break;
         
     case eInputReaderDone:
@@ -315,11 +319,11 @@
         // Write a newline out to the reader output
         //::fwrite ("\n", 1, 1, out_fh);
         // Restore terminal settings if they were validly saved
-        if (interpreter->m_termios_valid)
+        if (script_interpreter->m_termios_valid)
         {
-            ::tcsetattr (::fileno (reader->GetInputFileHandle()), 
+            ::tcsetattr (::fileno (reader.GetDebugger().GetInputFileHandle()), 
                          TCSANOW,
-                         &interpreter->m_termios);
+                         &script_interpreter->m_termios);
         }
         break;
     }
@@ -329,11 +333,12 @@
 
 
 void
-ScriptInterpreterPython::ExecuteInterpreterLoop (FILE *out, FILE *err)
+ScriptInterpreterPython::ExecuteInterpreterLoop (CommandInterpreter &interpreter)
 {
     Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
 
-    InputReaderSP reader_sp (new InputReader());
+    Debugger &debugger = interpreter.GetDebugger();
+    InputReaderSP reader_sp (new InputReader(debugger));
     if (reader_sp)
     {
         Error error (reader_sp->Initialize (ScriptInterpreterPython::InputReaderCallback,
@@ -345,9 +350,9 @@
      
         if (error.Success())
         {
-            Debugger::GetSharedInstance().PushInputReader (reader_sp);
-            ExecuteOneLine ("run_python_interpreter(ConsoleDict)", out, err);
-            Debugger::GetSharedInstance().PopInputReader (reader_sp);
+            debugger.PushInputReader (reader_sp);
+            ExecuteOneLine (interpreter, "run_python_interpreter(ConsoleDict)");
+            debugger.PopInputReader (reader_sp);
         }
     }
 }
@@ -528,7 +533,7 @@
 ScriptInterpreterPython::GenerateBreakpointOptionsCommandCallback
 (
     void *baton, 
-    InputReader *reader, 
+    InputReader &reader, 
     lldb::InputReaderAction notification,
     const char *bytes, 
     size_t bytes_len
@@ -536,7 +541,7 @@
 {
   static StringList commands_in_progress;
 
-    FILE *out_fh = reader->GetOutputFileHandle();
+    FILE *out_fh = reader.GetDebugger().GetOutputFileHandle();
     switch (notification)
     {
     case eInputReaderActivate:
@@ -545,8 +550,8 @@
             if (out_fh)
             {
                 ::fprintf (out_fh, "%s\n", g_reader_instructions);
-                if (reader->GetPrompt())
-                    ::fprintf (out_fh, "%s", reader->GetPrompt());
+                if (reader.GetPrompt())
+                    ::fprintf (out_fh, "%s", reader.GetPrompt());
             }
         }
         break;
@@ -555,16 +560,16 @@
         break;
 
     case eInputReaderReactivate:
-        if (reader->GetPrompt() && out_fh)
-            ::fprintf (out_fh, "%s", reader->GetPrompt());
+        if (reader.GetPrompt() && out_fh)
+            ::fprintf (out_fh, "%s", reader.GetPrompt());
         break;
 
     case eInputReaderGotToken:
         {
             std::string temp_string (bytes, bytes_len);
             commands_in_progress.AppendString (temp_string.c_str());
-            if (out_fh && !reader->IsDone() && reader->GetPrompt())
-                ::fprintf (out_fh, "%s", reader->GetPrompt());
+            if (out_fh && !reader.IsDone() && reader.GetPrompt())
+                ::fprintf (out_fh, "%s", reader.GetPrompt());
         }
         break;
 
@@ -575,7 +580,7 @@
             data_ap->user_source.AppendList (commands_in_progress);
             if (data_ap.get())
             {
-                ScriptInterpreter *interpreter = Debugger::GetSharedInstance().GetCommandInterpreter().GetScriptInterpreter();
+                ScriptInterpreter *interpreter = reader.GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
                 if (interpreter)
                 {
                     if (interpreter->GenerateBreakpointCommandCallbackData (data_ap->user_source, 
@@ -602,10 +607,12 @@
 }
 
 void
-ScriptInterpreterPython::CollectDataForBreakpointCommandCallback (BreakpointOptions *bp_options,
+ScriptInterpreterPython::CollectDataForBreakpointCommandCallback (CommandInterpreter &interpreter,
+                                                                  BreakpointOptions *bp_options,
                                                                   CommandReturnObject &result)
 {
-    InputReaderSP reader_sp (new InputReader ());
+    Debugger &debugger = interpreter.GetDebugger();
+    InputReaderSP reader_sp (new InputReader (debugger));
 
     if (reader_sp)
     {
@@ -618,7 +625,7 @@
                 true);                      // echo input
     
         if (err.Success())
-            Debugger::GetSharedInstance().PushInputReader (reader_sp);
+            debugger.PushInputReader (reader_sp);
         else
         {
             result.AppendError (err.AsCString());
@@ -819,11 +826,11 @@
 
     if (python_string != NULL)
     {
-        bool success =
-          Debugger::GetSharedInstance().GetCommandInterpreter().GetScriptInterpreter()->ExecuteOneLineWithReturn
-                                                                                            (python_string,
-                                                                                             ScriptInterpreter::eBool,
-                                                                                             (void *) &temp_bool);
+        bool success = context->exe_ctx.target->GetDebugger().
+                                                GetCommandInterpreter().
+                                                GetScriptInterpreter()->ExecuteOneLineWithReturn (python_string,
+                                                                                                  ScriptInterpreter::eBool,
+                                                                                                  (void *) &temp_bool);
         if (success)
           ret_value = temp_bool;
     }
diff --git a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index a528120..1452cc8 100644
--- a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -1922,7 +1922,7 @@
     // debugserver that we are tracking...
 
     lldb::pid_t gdb_remote_pid = (lldb::pid_t)(intptr_t)callback_baton;
-    TargetSP target_sp(Debugger::GetSharedInstance().GetTargetList().FindTargetWithProcessID (gdb_remote_pid));
+    TargetSP target_sp(Debugger::FindTargetWithProcessID (gdb_remote_pid));
     if (target_sp)
     {
         ProcessSP process_sp (target_sp->GetProcessSP());
diff --git a/source/Target/Process.cpp b/source/Target/Process.cpp
index 970e1e4..1d93291 100644
--- a/source/Target/Process.cpp
+++ b/source/Target/Process.cpp
@@ -347,7 +347,7 @@
 {
     if (signo == 0 || exit_status)
     {
-        TargetSP target_sp(Debugger::GetSharedInstance().GetTargetList().FindTargetWithProcessID (pid));
+        TargetSP target_sp(Debugger::FindTargetWithProcessID (pid));
         if (target_sp)
         {
             ProcessSP process_sp (target_sp->GetProcessSP());
diff --git a/source/Target/StackFrame.cpp b/source/Target/StackFrame.cpp
index cb83295..3ebc0c2 100644
--- a/source/Target/StackFrame.cpp
+++ b/source/Target/StackFrame.cpp
@@ -176,7 +176,9 @@
     {
         ExecutionContext exe_ctx;
         Calculate(exe_ctx);
-        Disassembler::Disassemble (m_thread.GetProcess().GetTarget().GetArchitecture(),
+        Target &target = m_thread.GetProcess().GetTarget();
+        Disassembler::Disassemble (target.GetDebugger(),
+                                   target.GetArchitecture(),
                                    exe_ctx,
                                    0,
                                    m_disassembly);
diff --git a/source/Target/Target.cpp b/source/Target/Target.cpp
index 48f2ea7..1ba125c 100644
--- a/source/Target/Target.cpp
+++ b/source/Target/Target.cpp
@@ -33,8 +33,9 @@
 //----------------------------------------------------------------------
 // Target constructor
 //----------------------------------------------------------------------
-Target::Target() :
+Target::Target(Debugger &debugger) :
     Broadcaster("Target"),
+    m_debugger (debugger),
     m_images(),
     m_breakpoint_list (false),
     m_internal_breakpoint_list (true),
@@ -111,7 +112,7 @@
 lldb::TargetSP
 Target::GetSP()
 {
-    return Debugger::GetSharedInstance().GetTargetList().GetTargetSP(this);
+    return m_debugger.GetTargetList().GetTargetSP(this);
 }
 
 BreakpointList &
diff --git a/source/Target/TargetList.cpp b/source/Target/TargetList.cpp
index d929400..4e2952e 100644
--- a/source/Target/TargetList.cpp
+++ b/source/Target/TargetList.cpp
@@ -46,6 +46,7 @@
 Error
 TargetList::CreateTarget
 (
+    Debugger &debugger,
     const FileSpec& file,
     const ArchSpec& arch,
     const UUID *uuid_ptr,
@@ -74,7 +75,7 @@
                                               NULL);
     if (exe_module_sp)
     {
-        target_sp.reset(new Target);
+        target_sp.reset(new Target(debugger));
         target_sp->SetExecutableModule (exe_module_sp, get_dependent_files);
 
         if (target_sp.get())
diff --git a/tools/driver/Driver.cpp b/tools/driver/Driver.cpp
index 4afe254..9d9281b 100644
--- a/tools/driver/Driver.cpp
+++ b/tools/driver/Driver.cpp
@@ -79,6 +79,7 @@
 
 Driver::Driver () :
     SBBroadcaster ("Driver"),
+    m_debugger (SBDebugger::Create()),
     m_editline_pty (),
     m_editline_slave_fh (NULL),
     m_editline_reader (),
@@ -323,9 +324,93 @@
 
 }
 
-SBError
-ParseOptions (Driver::OptionData &data, int argc, const char **argv)
+Driver::OptionData::OptionData () :
+    m_filename(),
+    m_script_lang (lldb::eScriptLanguageDefault),
+    m_source_command_files (),
+    m_debug_mode (false),
+    m_print_help (false),
+    m_print_version (false)
+
 {
+}
+
+Driver::OptionData::~OptionData ()
+{
+}
+
+void
+Driver::OptionData::Clear ()
+{
+    m_filename.clear ();
+    m_script_lang = lldb::eScriptLanguageDefault;
+    m_source_command_files.clear ();
+    m_debug_mode = false;
+    m_print_help = false;
+    m_print_version = false;
+}
+
+void
+Driver::ResetOptionValues ()
+{
+    m_option_data.Clear ();
+}
+
+const char *
+Driver::GetFilename() const
+{
+    if (m_option_data.m_filename.empty())
+        return NULL;
+    return m_option_data.m_filename.c_str();
+}
+
+const char *
+Driver::GetCrashLogFilename() const
+{
+    if (m_option_data.m_crash_log.empty())
+        return NULL;
+    return m_option_data.m_crash_log.c_str();
+}
+
+lldb::ScriptLanguage
+Driver::GetScriptLanguage() const
+{
+    return m_option_data.m_script_lang;
+}
+
+size_t
+Driver::GetNumSourceCommandFiles () const
+{
+    return m_option_data.m_source_command_files.size();
+}
+
+const char *
+Driver::GetSourceCommandFileAtIndex (uint32_t idx) const
+{
+    if (idx < m_option_data.m_source_command_files.size())
+        return m_option_data.m_source_command_files[idx].c_str();
+    return NULL;
+}
+
+bool
+Driver::GetDebugMode() const
+{
+    return m_option_data.m_debug_mode;
+}
+
+
+// Check the arguments that were passed to this program to make sure they are valid and to get their
+// argument values (if any).  Return a boolean value indicating whether or not to start up the full
+// debugger (i.e. the Command Interpreter) or not.  Return FALSE if the arguments were invalid OR
+// if the user only wanted help or version information.
+
+SBError
+Driver::ParseArgs (int argc, const char *argv[], FILE *out_fh, bool &exit)
+{
+    ResetOptionValues ();
+
+    SBCommandReturnObject result;
+
     SBError error;
     std::string option_string;
     struct option *long_options = NULL;
@@ -389,7 +474,7 @@
             break;
         else if (val == '?')
         {
-            data.m_print_help = true;
+            m_option_data.m_print_help = true;
             error.SetErrorStringWithFormat ("unknown or ambiguous option");
             break;
         }
@@ -397,7 +482,7 @@
             continue;
         else
         {
-            data.m_seen_options.insert ((char) val);
+            m_option_data.m_seen_options.insert ((char) val);
             if (long_options_index == -1)
             {
                 for (int i = 0;
@@ -414,181 +499,69 @@
 
             if (long_options_index >= 0)
             {
-                error = Driver::SetOptionValue (long_options_index,
-                                                long_options[long_options_index].has_arg == no_argument ? NULL : optarg,
-                                                data);
+                const char short_option = (char) g_options[long_options_index].short_option;
+
+                switch (short_option)
+                {
+                    case 'h':
+                        m_option_data.m_print_help = true;
+                        break;
+
+                    case 'v':
+                        m_option_data.m_print_version = true;
+                        break;
+
+                    case 'c':
+                        m_option_data.m_crash_log = optarg;
+                        break;
+
+                    case 'f':
+                        {
+                            SBFileSpec file(optarg);
+                            if (file.Exists())
+                                m_option_data.m_filename = optarg;
+                            else
+                                error.SetErrorStringWithFormat("file specified in --file (-f) option doesn't exist: '%s'", optarg);
+                        }
+                        break;
+
+                    case 'a':
+                        if (!m_debugger.SetDefaultArchitecture (optarg))
+                            error.SetErrorStringWithFormat("invalid architecture in the -a or --arch option: '%s'", optarg);
+                        break;
+
+                    case 'l':
+                        m_option_data.m_script_lang = m_debugger.GetScriptingLanguage (optarg);
+                        break;
+
+                    case 'd':
+                        m_option_data.m_debug_mode = true;
+                        break;
+
+                    case 's':
+                        {
+                            SBFileSpec file(optarg);
+                            if (file.Exists())
+                                m_option_data.m_source_command_files.push_back (optarg);
+                            else
+                                error.SetErrorStringWithFormat("file specified in --source (-s) option doesn't exist: '%s'", optarg);
+                        }
+                        break;
+
+                    default:
+                        m_option_data.m_print_help = true;
+                        error.SetErrorStringWithFormat ("unrecognized option %c", short_option);
+                        break;
+                }
             }
             else
             {
                 error.SetErrorStringWithFormat ("invalid option with value %i", val);
             }
             if (error.Fail())
-                break;
+                return error;
         }
     }
-
-    return error;
-}
-
-Driver::OptionData::OptionData () :
-    m_filename(),
-    m_script_lang (lldb::eScriptLanguageDefault),
-    m_source_command_files (),
-    m_debug_mode (false),
-    m_print_help (false),
-    m_print_version (false)
-
-{
-}
-
-Driver::OptionData::~OptionData ()
-{
-}
-
-void
-Driver::OptionData::Clear ()
-{
-    m_filename.clear ();
-    m_script_lang = lldb::eScriptLanguageDefault;
-    m_source_command_files.clear ();
-    m_debug_mode = false;
-    m_print_help = false;
-    m_print_version = false;
-}
-
-SBError
-Driver::SetOptionValue (int option_idx, const char *option_arg, Driver::OptionData &option_data)
-{
-    SBError error;
-    const char short_option = (char) g_options[option_idx].short_option;
-
-    switch (short_option)
-    {
-        case 'h':
-            option_data.m_print_help = true;
-            break;
-
-        case 'v':
-            option_data.m_print_version = true;
-            break;
-
-        case 'c':
-            option_data.m_crash_log = option_arg;
-            break;
-
-        case 'f':
-            {
-                SBFileSpec file(option_arg);
-                if (file.Exists())
-                    option_data.m_filename = option_arg;
-                else
-                    error.SetErrorStringWithFormat("file specified in --file (-f) option doesn't exist: '%s'", option_arg);
-            }
-            break;
-
-        case 'a':
-            if (!SBDebugger::SetDefaultArchitecture (option_arg))
-                error.SetErrorStringWithFormat("invalid architecture in the -a or --arch option: '%s'", option_arg);
-            break;
-
-        case 'l':
-            option_data.m_script_lang = SBDebugger::GetScriptingLanguage (option_arg);
-            break;
-
-        case 'd':
-            option_data.m_debug_mode = true;
-            break;
-
-        case 's':
-            {
-                SBFileSpec file(option_arg);
-                if (file.Exists())
-                    option_data.m_source_command_files.push_back (option_arg);
-                else
-                    error.SetErrorStringWithFormat("file specified in --source (-s) option doesn't exist: '%s'", option_arg);
-            }
-            break;
-
-        default:
-            option_data.m_print_help = true;
-            error.SetErrorStringWithFormat ("unrecognized option %c", short_option);
-            break;
-    }
-
-    return error;
-}
-
-void
-Driver::ResetOptionValues ()
-{
-    m_option_data.Clear ();
-}
-
-const char *
-Driver::GetFilename() const
-{
-    if (m_option_data.m_filename.empty())
-        return NULL;
-    return m_option_data.m_filename.c_str();
-}
-
-const char *
-Driver::GetCrashLogFilename() const
-{
-    if (m_option_data.m_crash_log.empty())
-        return NULL;
-    return m_option_data.m_crash_log.c_str();
-}
-
-lldb::ScriptLanguage
-Driver::GetScriptLanguage() const
-{
-    return m_option_data.m_script_lang;
-}
-
-size_t
-Driver::GetNumSourceCommandFiles () const
-{
-    return m_option_data.m_source_command_files.size();
-}
-
-const char *
-Driver::GetSourceCommandFileAtIndex (uint32_t idx) const
-{
-    if (idx < m_option_data.m_source_command_files.size())
-        return m_option_data.m_source_command_files[idx].c_str();
-    return NULL;
-}
-
-bool
-Driver::GetDebugMode() const
-{
-    return m_option_data.m_debug_mode;
-}
-
-
-// Check the arguments that were passed to this program to make sure they are valid and to get their
-// argument values (if any).  Return a boolean value indicating whether or not to start up the full
-// debugger (i.e. the Command Interpreter) or not.  Return FALSE if the arguments were invalid OR
-// if the user only wanted help or version information.
-
-bool
-Driver::ParseArgs (int argc, const char *argv[], FILE *out_fh, FILE *err_fh)
-{
-    bool valid = true;
-
-    ResetOptionValues ();
-
-    SBCommandReturnObject result;
-
-    SBError error = ParseOptions (m_option_data, argc, argv);
-    if (error.Fail())
-    {
-        const char *error_cstr = error.GetCString ();
-        if (error_cstr)
-            ::fprintf (err_fh, "error: %s\n", error_cstr);
-        valid = false;
-    }
     
     // If there is a trailing argument, it is the filename.
     if (optind == argc - 1)
@@ -599,28 +572,24 @@
         }
         else
         {
-            ::fprintf (err_fh, "error: don't provide a file both on in the -f option and as an argument.");
-            valid = false;
+            error.SetErrorStringWithFormat ("error: don't provide a file both on in the -f option and as an argument.");
         }
 
     }
     else if (optind < argc - 1)
     {
         // Trailing extra arguments...
-        ::fprintf (err_fh, "error: trailing extra arguments - only one the filename is allowed.");
-        valid = false;
-        
+        error.SetErrorStringWithFormat ("error: trailing extra arguments - only one the filename is allowed.");
     }
     
-    if (!valid || m_option_data.m_print_help)
+    if (error.Fail() || m_option_data.m_print_help)
     {
         ShowUsage (out_fh, g_options, m_option_data);
-        valid = false;
     }
     else if (m_option_data.m_print_version)
     {
-        ::fprintf (out_fh, "%s\n", SBDebugger::GetVersionString());
-        valid = false;
+        ::fprintf (out_fh, "%s\n", m_debugger.GetVersionString());
+        exit = true;
     }
     else if (! m_option_data.m_crash_log.empty())
     {
@@ -631,7 +600,7 @@
         // All other combinations are valid; do nothing more here.
     }
 
-    return valid;
+    return error;
 }
 
 void
@@ -640,7 +609,7 @@
     //  The process has stuff waiting for stdout; get it and write it out to the appropriate place.
     char stdio_buffer[1024];
     size_t len;
-    while ((len = SBDebugger::GetCurrentTarget().GetProcess().GetSTDOUT (stdio_buffer, sizeof (stdio_buffer))) > 0)
+    while ((len = m_debugger.GetCurrentTarget().GetProcess().GetSTDOUT (stdio_buffer, sizeof (stdio_buffer))) > 0)
         m_io_channel_ap->OutWrite (stdio_buffer, len);
 }
 
@@ -650,7 +619,7 @@
     //  The process has stuff waiting for stderr; get it and write it out to the appropriate place.
     char stdio_buffer[1024];
     size_t len;
-    while ((len = SBDebugger::GetCurrentTarget().GetProcess().GetSTDERR (stdio_buffer, sizeof (stdio_buffer))) > 0)
+    while ((len = m_debugger.GetCurrentTarget().GetProcess().GetSTDERR (stdio_buffer, sizeof (stdio_buffer))) > 0)
         m_io_channel_ap->ErrWrite (stdio_buffer, len);
 }
 
@@ -658,7 +627,7 @@
 Driver::UpdateCurrentThread ()
 {
     using namespace lldb;
-    SBProcess process(SBDebugger::GetCurrentTarget().GetProcess());
+    SBProcess process(m_debugger.GetCurrentTarget().GetProcess());
     if (process.IsValid())
     {
         SBThread curr_thread (process.GetCurrentThread());
@@ -765,7 +734,7 @@
             {
                 char message[1024];
                 int message_len = ::snprintf (message, sizeof(message), "Process %d %s\n", process.GetProcessID(),
-                                              SBDebugger::StateAsCString (event_state));
+                                              m_debugger.StateAsCString (event_state));
                 m_io_channel_ap->OutWrite(message, message_len);
             }
             break;
@@ -775,7 +744,7 @@
             break;
 
         case eStateExited:
-            SBDebugger::HandleCommand("process status");
+            m_debugger.HandleCommand("process status");
             m_io_channel_ap->RefreshPrompt();
             break;
 
@@ -794,7 +763,7 @@
             else
             {
                 UpdateCurrentThread ();
-                SBDebugger::HandleCommand("process status");
+                m_debugger.HandleCommand("process status");
                 m_io_channel_ap->RefreshPrompt();
             }
             break;
@@ -820,7 +789,7 @@
         if (command_string == NULL)
             command_string == "";
         SBCommandReturnObject result;
-        if (SBDebugger::GetCommandInterpreter().HandleCommand (command_string, result, true) != lldb::eReturnStatusQuit)
+        if (m_debugger.GetCommandInterpreter().HandleCommand (command_string, result, true) != lldb::eReturnStatusQuit)
         {
             m_io_channel_ap->ErrWrite (result.GetError(), result.GetErrorSize());
             m_io_channel_ap->OutWrite (result.GetOutput(), result.GetOutputSize());
@@ -971,7 +940,7 @@
 //
 //        if (crash_infos.size())
 //        {
-//            SBTarget target (SBDebugger::CreateTarget (crash_infos.front().path.c_str(),
+//            SBTarget target (m_debugger.CreateTarget (crash_infos.front().path.c_str(),
 //                                                      lldb::GetDefaultArchitecture().AsCString (),
 //                                                      false));
 //            if (target.IsValid())
@@ -995,7 +964,7 @@
 {
     // Echo the characters back to the Debugger's stdout, that way if you
     // type characters while a command is running, you'll see what you've typed.
-    FILE *out_fh = SBDebugger::GetOutputFileHandle();
+    FILE *out_fh = m_debugger.GetOutputFileHandle();
     if (out_fh)
         ::fwrite (src, 1, src_len, out_fh);
 }
@@ -1076,9 +1045,9 @@
     ::setbuf (stdin, NULL);
     ::setbuf (stdout, NULL);
 
-    SBDebugger::SetErrorFileHandle (stderr, false);
-    SBDebugger::SetOutputFileHandle (stdout, false);
-    SBDebugger::SetInputFileHandle (stdin, true);
+    m_debugger.SetErrorFileHandle (stderr, false);
+    m_debugger.SetOutputFileHandle (stdout, false);
+    m_debugger.SetInputFileHandle (stdin, true);
 
     // You have to drain anything that comes to the master side of the PTY.  master_out_comm is
     // for that purpose.  The reason you need to do this is a curious reason...  editline will echo
@@ -1104,7 +1073,7 @@
 //        ParseCrashLog (crash_log);
 //    }
 //
-    SBCommandInterpreter sb_interpreter = SBDebugger::GetCommandInterpreter();
+    SBCommandInterpreter sb_interpreter = m_debugger.GetCommandInterpreter();
 
     m_io_channel_ap.reset (new IOChannel(m_editline_slave_fh, stdout, stderr, this));
 
@@ -1115,13 +1084,14 @@
         char buffer[25];
 
         sprintf (buffer, "set term-width %d", window_size.ws_col);
-        SBDebugger::HandleCommand ((const char *) buffer);
+        m_debugger.HandleCommand ((const char *) buffer);
     }
 
     // Since input can be redirected by the debugger, we must insert our editline
     // input reader in the queue so we know when our reader should be active
     // and so we can receive bytes only when we are supposed to.
-    SBError err (m_editline_reader.Initialize (Driver::EditLineInputReaderCallback, // callback
+    SBError err (m_editline_reader.Initialize (m_debugger, 
+                                               Driver::EditLineInputReaderCallback, // callback
                                                this,                              // baton
                                                eInputReaderGranularityByte,       // token_size
                                                NULL,                              // end token - NULL means never done
@@ -1135,9 +1105,9 @@
         exit (6);
     }
     
-    SBDebugger::PushInputReader (m_editline_reader);
+    m_debugger.PushInputReader (m_editline_reader);
 
-    SBListener listener(SBDebugger::GetListener());
+    SBListener listener(m_debugger.GetListener());
     if (listener.IsValid())
     {
 
@@ -1161,8 +1131,8 @@
             sb_interpreter.SourceInitFileInHomeDirectory(result);
             if (GetDebugMode())
             {
-                result.PutError (SBDebugger::GetErrorFileHandle());
-                result.PutOutput (SBDebugger::GetOutputFileHandle());
+                result.PutError (m_debugger.GetErrorFileHandle());
+                result.PutOutput (m_debugger.GetOutputFileHandle());
             }
 
             // Now we handle options we got from the command line
@@ -1174,11 +1144,11 @@
                 {
                     const char *command_file = GetSourceCommandFileAtIndex(i);
                     ::snprintf (command_string, sizeof(command_string), "source '%s'", command_file);
-                    SBDebugger::GetCommandInterpreter().HandleCommand (command_string, result, false);
+                    m_debugger.GetCommandInterpreter().HandleCommand (command_string, result, false);
                     if (GetDebugMode())
                     {
-                        result.PutError (SBDebugger::GetErrorFileHandle());
-                        result.PutOutput (SBDebugger::GetOutputFileHandle());
+                        result.PutError (m_debugger.GetErrorFileHandle());
+                        result.PutOutput (m_debugger.GetOutputFileHandle());
                     }
                 }
             }
@@ -1186,13 +1156,13 @@
             if (!m_option_data.m_filename.empty())
             {
                 char arch_name[64];
-                if (SBDebugger::GetDefaultArchitecture (arch_name, sizeof (arch_name)))
+                if (m_debugger.GetDefaultArchitecture (arch_name, sizeof (arch_name)))
                     ::snprintf (command_string, sizeof (command_string), "file --arch=%s '%s'", arch_name,
                                 m_option_data.m_filename.c_str());
                 else
                     ::snprintf (command_string, sizeof(command_string), "file '%s'", m_option_data.m_filename.c_str());
 
-                SBDebugger::HandleCommand (command_string);
+                m_debugger.HandleCommand (command_string);
             }
 
             // Now that all option parsing is done, we try and parse the .lldbinit
@@ -1200,8 +1170,8 @@
             sb_interpreter.SourceInitFileInCurrentWorkingDirectory (result);
             if (GetDebugMode())
             {
-                result.PutError(SBDebugger::GetErrorFileHandle());
-                result.PutOutput(SBDebugger::GetOutputFileHandle());
+                result.PutError(m_debugger.GetErrorFileHandle());
+                result.PutOutput(m_debugger.GetOutputFileHandle());
             }
 
             SBEvent event;
@@ -1237,7 +1207,7 @@
                             else
                                 done = HandleIOEvent (event);
                         }
-                        else if (event.BroadcasterMatchesRef (SBDebugger::GetCurrentTarget().GetProcess().GetBroadcaster()))
+                        else if (event.BroadcasterMatchesRef (m_debugger.GetCurrentTarget().GetProcess().GetBroadcaster()))
                         {
                             HandleProcessEvent (event);
                         }
@@ -1267,7 +1237,7 @@
                 }
             }
 
-            SBProcess process = SBDebugger::GetCurrentTarget().GetProcess();
+            SBProcess process = m_debugger.GetCurrentTarget().GetProcess();
             if (process.IsValid())
                 process.Destroy();
         }
@@ -1289,19 +1259,27 @@
 int
 main (int argc, char const *argv[])
 {
-
     SBDebugger::Initialize();
     
     SBHostOS::ThreadCreated ("[main]");
 
-    // Do a little setup on the debugger before we get going
-    SBDebugger::SetAsync(true);
-    Driver driver;
-
-    bool valid_args = driver.ParseArgs (argc, argv, stdout, stderr);
-    if (valid_args)
+    // Create a scope for driver so that the driver object will destroy itself
+    // before SBDebugger::Terminate() is called.
     {
-        driver.MainLoop ();
+        Driver driver;
+
+        bool exit = false;
+        SBError error (driver.ParseArgs (argc, argv, stdout, exit));
+        if (error.Fail())
+        {
+            const char *error_cstr = error.GetCString ();
+            if (error_cstr)
+                ::fprintf (stderr, "error: %s\n", error_cstr);
+        }
+        else if (!exit)
+        {
+            driver.MainLoop ();
+        }
     }
 
     SBDebugger::Terminate();
diff --git a/tools/driver/Driver.h b/tools/driver/Driver.h
index 61eb0e7..4f485bd 100644
--- a/tools/driver/Driver.h
+++ b/tools/driver/Driver.h
@@ -19,6 +19,7 @@
 
 #include "lldb/API/SBDefines.h"
 #include "lldb/API/SBBroadcaster.h"
+#include "lldb/API/SBDebugger.h"
 #include "lldb/API/SBError.h"
 #include "lldb/API/SBInputReader.h"
 
@@ -59,8 +60,8 @@
     void
     HandleProcessEvent (const lldb::SBEvent &event);
 
-    bool
-    ParseArgs (int argc, const char *argv[], FILE *out_fh, FILE *err_fh);
+    lldb::SBError
+    ParseArgs (int argc, const char *argv[], FILE *out_fh, bool &do_exit);
 
     const char *
     GetFilename() const;
@@ -113,7 +114,14 @@
                     Driver::OptionData &data);
 
 
+    lldb::SBDebugger &
+    GetDebugger()
+    {
+        return m_debugger;
+    }
+
 private:
+    lldb::SBDebugger m_debugger;
     lldb_utility::PseudoTerminal m_editline_pty;
     FILE *m_editline_slave_fh;
     lldb::SBInputReader m_editline_reader;
diff --git a/tools/driver/IOChannel.cpp b/tools/driver/IOChannel.cpp
index 8b833b1..52f5ba8 100644
--- a/tools/driver/IOChannel.cpp
+++ b/tools/driver/IOChannel.cpp
@@ -70,13 +70,12 @@
     SBStringList completions;
     size_t page_size = 40;
 
-    int num_completions
-        = SBDebugger::GetCommandInterpreter().HandleCompletion (line_info->buffer,
-                                                                line_info->cursor,
-                                                                line_info->lastchar,
-                                                                0,
-                                                                -1,
-                                                                completions);
+    int num_completions = m_driver->GetDebugger().GetCommandInterpreter().HandleCompletion (line_info->buffer,
+                                                                                            line_info->cursor,
+                                                                                            line_info->lastchar,
+                                                                                            0,
+                                                                                            -1,
+                                                                                            completions);
     
     if (num_completions == -1)
     {
@@ -269,7 +268,7 @@
     SBListener listener("IOChannel::Run");
     std::string new_line;
 
-    SBBroadcaster interpreter_broadcaster (SBDebugger::GetCommandInterpreter().GetBroadcaster());
+    SBBroadcaster interpreter_broadcaster (m_driver->GetDebugger().GetCommandInterpreter().GetBroadcaster());
     listener.StartListeningForEvents (interpreter_broadcaster,
                                       SBCommandInterpreter::eBroadcastBitResetPrompt |
                                       SBCommandInterpreter::eBroadcastBitThreadShouldExit |