1 //===-- StoppointHitCounter.h -----------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H
10 #define LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H
11 
12 #include <cassert>
13 #include <cstdint>
14 #include <limits>
15 
16 #include "lldb/Utility/LLDBAssert.h"
17 
18 namespace lldb_private {
19 
20 class StoppointHitCounter {
21 public:
22   uint32_t GetValue() const { return m_hit_count; }
23 
24   void Increment(uint32_t difference = 1) {
25     lldbassert(std::numeric_limits<uint32_t>::max() - m_hit_count >= difference);
26     m_hit_count += difference;
27   }
28 
29   void Decrement(uint32_t difference = 1) {
30     lldbassert(m_hit_count >= difference);
31     m_hit_count -= difference;
32   }
33 
34   void Reset() { m_hit_count = 0; }
35 
36 private:
37   /// Number of times this breakpoint/watchpoint has been hit.
38   uint32_t m_hit_count = 0;
39 };
40 
41 } // namespace lldb_private
42 
43 #endif // LLDB_BREAKPOINT_STOPPOINT_HIT_COUNTER_H
44