AutoInit.h

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//=========================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//=========================================================================
#ifndef smtk_AutoInit_h
#define smtk_AutoInit_h
 
// This file contains macros used to initialize components of SMTK
// that may defined in separate libraries but which need to be
// exposed to SMTK's core components.
//
// See smtk/model/Session.h and its subclasses for an example of how
// these macros are used to register components with the model Manager.
 
#define smtkAutoInitComponentMacro(C)                                                              \
  void C##_AutoInit_Construct();                                                                   \
  void C##_AutoInit_Destruct();
#define smtkAutoInitConstructMacro(C) C##_AutoInit_Construct();
#define smtkAutoInitDestructMacro(C) C##_AutoInit_Destruct();
 
#define smtkComponentInitMacro(C)                                                                  \
  smtkAutoInitComponentMacro(C) static struct C##_ComponentInit                                    \
  {                                                                                                \
    /* Call <mod>_AutoInit_Construct during initialization.  */                                    \
    C##_ComponentInit() { smtkAutoInitConstructMacro(C) }                                          \
    /* Call <mod>_AutoInit_Destruct during finalization.  */                                       \
    ~C##_ComponentInit() { smtkAutoInitDestructMacro(C) }                                          \
  } C##_ComponentInit_Instance;
 
#endif // smtk_AutoInit_h