/*

  Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement 
  or the like.  Any license provided herein, whether implied or 
  otherwise, applies only to this software file.  Patent licenses, if 
  any, provided herein do not apply to combinations of this program with 
  other software, or any other product whatsoever.  

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

  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
  Mountain View, CA 94043, or:

  http://www.sgi.com

  For further information regarding this notice, see:

  http://oss.sgi.com/projects/GenInfo/NoticeExplan

*/



/** $Revision: 1.2 $
*** $Date: 2003/03/04 06:16:00 $
*** $Author: wychen $
*** $Source: bitbucket.org:berkeleylab/upc-translator.git/open64/osprey1.0/be/lno/name.h $
**/

#ifndef NAME_RCS_ID
#define NAME_RCS_ID
#ifdef _KEEP_RCS_ID
static char *name_rcs_id = "$Source: bitbucket.org:berkeleylab/upc-translator.git/open64/osprey1.0/be/lno/name.h $ $Revision: 1.2 $";
#endif /* _KEEP_RCS_ID */
#endif

#ifndef NAME_DECLARE
#define NAME_DECLARE

#include "defs.h"
#include "wn.h"
#include "cxx_memory.h"
#include "cxx_template.h"
#include "access_vector.h"
#include "opt_alias_interface.h"

// class NAME2BIT is used internally in inner_fission phase.
// It contains the mapping from a symbol to a bit-positionin the bit
// vector used to record the names of the variables in a statement or SCC.
// It also defines the comparison operators (<,==,>) so that it can be
// used as nodes in the binary tree (be/com/btree.h).

class NAME2BIT {
  SYMBOL 		_symbol;
  ACCESS_ARRAY*	_access_array;
  UINT   		_bit_position;
public:
  NAME2BIT() { _access_array = NULL; }
  NAME2BIT(const SYMBOL symbol) { _symbol=symbol; _access_array = NULL; }
  NAME2BIT(const WN* wn) { _symbol.Init(wn); _access_array = NULL; }
  ~NAME2BIT() {}
  BOOL operator <(const NAME2BIT &name2bit) const;
  BOOL operator ==(const NAME2BIT &name2bit) const;
  BOOL operator >(const NAME2BIT &name2bit) const {
    return (!(*this < name2bit) && !(*this == name2bit));
  }
  void Set_Bit_Position(const UINT pos) { _bit_position=pos; }
  void Set_Symbol(const SYMBOL symbol) { _symbol=symbol; }
  void Set_Symbol(const WN* wn) { _symbol.Init(wn); }
  void Set_Access_Array(ACCESS_ARRAY *ar) { _access_array = ar; }
  UINT64 Get_Bit_Position() const { return _bit_position; }
  SYMBOL Get_Symbol() const { return _symbol; }
  ACCESS_ARRAY* Get_Access_Array() const { return _access_array; }
};


#endif