MISRA C:2012 Rule 20.10
The # and ## preprocessor operators should not be used
描述
规则定义
The # and ## preprocessor operators should not be used 1 .
理由
多个 #、多个 ## 或 # 和 ## 预处理器操作符的评估顺序未指定。因此,在某些情况下,无法预测宏观扩张的结果。
使用 ## 可能会导致代码难以阅读。
故障排除
如果您预期会出现违规,但未看到该违规,请参阅诊断为何编码规范违规未按预期显示。
检查信息
| 组:预处理指令 |
| 类别:建议 |
| AGC 类别:建议 |
1 All MISRA coding rules and directives are © Copyright The MISRA Consortium Limited 2021.
The MISRA coding standards referenced in the Polyspace® Bug Finder™ documentation are from the following MISRA standards:
MISRA C:2004
MISRA C:2012
MISRA C:2023
MISRA C++:2008
MISRA C++:2023
MISRA and MISRA C are registered trademarks of The MISRA Consortium Limited 2021.