functions.h

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/*******************************************************************\
 
Module: Uninterpreted Functions
 
Author: Daniel Kroening, kroening@kroening.com
 
\*******************************************************************/

 
#ifndef CPROVER_SOLVERS_LOWERING_FUNCTIONS_H
#define CPROVER_SOLVERS_LOWERING_FUNCTIONS_H
 
#include <map>
#include <set>
 
#include <util/mathematical_expr.h>
 
class decision_proceduret;
 
class functionst
{
public:
  explicit functionst(decision_proceduret &_decision_procedure)
    : decision_procedure(_decision_procedure)
  {
  }
 
  virtual ~functionst()
  {
  }
 
  void record(const function_application_exprt &function_application);
 
  virtual void finish_eager_conversion()
  {
    add_function_constraints();
  }
 
protected:
  decision_proceduret &decision_procedure;
 
  typedef std::set<function_application_exprt> applicationst;
 
  struct function_infot
  {
    applicationst applications;
  };
 
  typedef std::map<exprt, function_infot> function_mapt;
  function_mapt function_map;
 
  virtual void add_function_constraints();
  virtual void add_function_constraints(const function_infot &info);
 
  exprt arguments_equal(const exprt::operandst &o1, const exprt::operandst &o2);
};
 
#endif // CPROVER_SOLVERS_LOWERING_FUNCTIONS_H