two_value_pointer_abstract_object.h

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/*******************************************************************\
 
 Module: analyses variable-sensitivity
 
 Author: Thomas Kiley, thomas.kiley@diffblue.com
 
\*******************************************************************/
#ifndef CPROVER_ANALYSES_VARIABLE_SENSITIVITY_TWO_VALUE_POINTER_ABSTRACT_OBJECT_H
#define CPROVER_ANALYSES_VARIABLE_SENSITIVITY_TWO_VALUE_POINTER_ABSTRACT_OBJECT_H
 
#include <analyses/variable-sensitivity/abstract_pointer_object.h>
 
class two_value_pointer_abstract_objectt : public abstract_pointer_objectt
{
public:
  two_value_pointer_abstract_objectt(const typet &type, bool top, bool bottom);

  two_value_pointer_abstract_objectt(
    const exprt &expr,
    const abstract_environmentt &environment,
    const namespacet &ns);
 
  abstract_object_pointert read_dereference(
    const abstract_environmentt &env,
    const namespacet &ns) const override;
 
  abstract_object_pointert write_dereference(
    abstract_environmentt &environment,
    const namespacet &ns,
    const std::stack<exprt> &stack,
    const abstract_object_pointert &value,
    bool merging_write) const override;
 
  abstract_object_pointert typecast(
    const typet &new_type,
    const abstract_environmentt &environment,
    const namespacet &ns) const override;
 
  abstract_object_pointert ptr_diff(
    const exprt &expr,
    const std::vector<abstract_object_pointert> &operands,
    const abstract_environmentt &environment,
    const namespacet &ns) const override;
 
  exprt ptr_comparison_expr(
    const exprt &expr,
    const std::vector<abstract_object_pointert> &operands,
    const abstract_environmentt &environment,
    const namespacet &ns) const override;
};
 
#endif // CPROVER_ANALYSES_VARIABLE_SENSITIVITY_TWO_VALUE_POINTER_ABSTRACT_OBJECT_H