src/theory/valuation.h

   1 /*********************                                                        */
   2 /*! \file valuation.h
   3  ** \verbatim
   4  ** Original author: mdeters
   5  ** Major contributors: none
   6  ** Minor contributors (to current version): none
   7  ** This file is part of the CVC4 prototype.
   8  ** Copyright (c) 2009, 2010  The Analysis of Computer Systems Group (ACSys)
   9  ** Courant Institute of Mathematical Sciences
  10  ** New York University
  11  ** See the file COPYING in the top-level source directory for licensing
  12  ** information.\endverbatim
  13  **
  14  ** \brief A "valuation" proxy for TheoryEngine
  15  **
  16  ** A "valuation" proxy for TheoryEngine.  This class breaks the dependence
  17  ** of theories' getValue() implementations on TheoryEngine.  getValue()
  18  ** takes a Valuation, which delegates to TheoryEngine.
  19  **/
  20
  21 #include "cvc4_private.h"
  22
  23 #ifndef __CVC4__THEORY__VALUATION_H
  24 #define __CVC4__THEORY__VALUATION_H
  25
  26 #include "expr/node.h"
  27
  28 namespace CVC4 {
  29
  30 class TheoryEngine;
  31
  32 namespace theory {
  33
  34 class Valuation {
  35   TheoryEngine* d_engine;
  36 public:
  37   Valuation(TheoryEngine* engine) :
  38     d_engine(engine) {
  39   }
  40
  41   Node getValue(TNode n);
  42
  43 };/* class Valuation */
  44
  45 }/* CVC4::theory namespace */
  46 }/* CVC4 namespace */
  47
  48 #endif /* __CVC4__THEORY__VALUATION_H */