//===-- StoppointHitCounter.h -----------------------------------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

#ifndef LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H

#define LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H

#include <cassert>

#include <cstdint>

#include <limits>

#include "lldb/Utility/LLDBAssert.h"

namespace lldb_private {

class StoppointHitCounter {

public:

  uint32_t GetValue() const { return m_hit_count; }

  void Increment(uint32_t difference = 1) {

    lldbassert(std::numeric_limits<uint32_t>::max() - m_hit_count >= difference);

    m_hit_count += difference;

  }

  void Decrement(uint32_t difference = 1) {

    lldbassert(m_hit_count >= difference);

    m_hit_count -= difference;

  }

  void Reset() { m_hit_count = 0; }

private:

  /// Number of times this breakpoint/watchpoint has been hit.

  uint32_t m_hit_count = 0;

};

} // namespace lldb_private

#endif // LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H