NuSMV/code/nusmv/core/dd/VarsHandler.h

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/* ---------------------------------------------------------------------------


  This file is part of the ``dd'' package of NuSMV version 2.
  Copyright (C) 2010 by FBK-irst.

  NuSMV version 2 is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  NuSMV version 2 is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.

  For more information on NuSMV see <http://nusmv.fbk.eu>
  or email to <nusmv-users@fbk.eu>.
  Please report bugs to <nusmv-users@fbk.eu>.

  To contact the NuSMV development board, email to <nusmv@fbk.eu>. 

-----------------------------------------------------------------------------*/

#ifndef __NUSMV_CORE_DD_VARS_HANDLER_H__
#define __NUSMV_CORE_DD_VARS_HANDLER_H__

#include "nusmv/core/dd/dd.h"
#include "nusmv/core/utils/utils.h"

typedef struct VarsHandler_TAG*  VarsHandler_ptr;

typedef struct GroupInfo_TAG* GroupInfo_ptr;

#define VARS_HANDLER(self) \
         ((VarsHandler_ptr) self)

#define VARS_HANDLER_CHECK_INSTANCE(self) \
         (nusmv_assert(VARS_HANDLER(self) != VARS_HANDLER(NULL)))



/*---------------------------------------------------------------------------*/
/* Function prototypes                                                       */
/*---------------------------------------------------------------------------*/

VarsHandler_ptr VarsHandler_create(DDMgr_ptr dd);

void VarsHandler_destroy(VarsHandler_ptr self);

DDMgr_ptr VarsHandler_get_dd_manager(const VarsHandler_ptr self);

GroupInfo_ptr
VarsHandler_reserve_group(VarsHandler_ptr self,
                          int from_lev, int size, int chunk,
                          boolean can_share, int* lev_low);

boolean VarsHandler_can_group(const VarsHandler_ptr self,
                                     int from_lev, int size, int chunk);

boolean
VarsHandler_release_group(VarsHandler_ptr self, GroupInfo_ptr bid);

void
VarsHandler_dissolve_group(VarsHandler_ptr self, GroupInfo_ptr bid);

void VarsHandler_update_levels(VarsHandler_ptr self);

void VarsHandler_print(const VarsHandler_ptr self, FILE* _file);

#endif /* __NUSMV_CORE_DD_VARS_HANDLER_H__ */

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