StoppointHitCounter.h

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//===-- 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