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pointervalue.h

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// ----------------------------------------------------------------------
//
//  C-Breeze
//  C Compiler Framework
// 
//  Copyright (c) 2000 University of Texas at Austin
// 
//  Samuel Z. Guyer
//  Daniel A. Jimenez
//  Calvin Lin
// 
//  Permission is hereby granted, free of charge, to any person
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without
//  restriction, including without limitation the rights to use, copy,
//  modify, merge, publish, distribute, sublicense, and/or sell copies
//  of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//  
//  The above copyright notice and this permission notice shall be
//  included in all copies or substantial portions of the Software.
//  
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT.  IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT
//  AUSTIN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
//  OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//
//  We acknowledge the C-to-C Translator from MIT Laboratory for
//  Computer Science for inspiring parts of the C-Breeze design.
//
// ----------------------------------------------------------------------

#ifndef CBZ_POINTERVALUE_H
#define CBZ_POINTERVALUE_H

#include "location.h"
#include "memorymodel.h"
#include "memoryblock.h"
#include "ipanalysis.h"
#include "handle.h"

typedef pair< memoryBlock *, memoryUse * > pointer_use;
typedef set< pointer_use > pointer_use_set;
typedef pointer_use_set::iterator pointer_use_set_p;

class pointerValue
{
public:

  memoryblock_set blocks;
  Handle< analysisVal > value;
  bool is_address;

  pointerValue();

  pointerValue(memoryBlock *mb, bool is_address = false);


  inline void copy_pointers_from(const pointerValue & other) {
    blocks = other.blocks;
    is_address = other.is_address;
  }

  inline void initialize_pointers() {
    blocks.clear();
    is_address = false;
  }

};

typedef list< pointerValue > pointervalue_list;
typedef pointervalue_list::iterator pointervalue_list_p;

#endif // CBZ_POINTERVALUE_H

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