V2EX program slicing

Program Slicing

释义 Definition

程序切片:一种程序分析技术,用来提取与某个特定变量、表达式或程序点的取值/行为相关的那部分代码,以便理解程序、定位缺陷、做安全分析或优化维护。常见类型包括静态切片(不依赖具体输入)与动态切片(基于一次具体运行轨迹)。此外也存在前向/后向切片等变体。

发音 Pronunciation (IPA)

/prorm slas/

例句 Examples

Program slicing helps developers find the code that affects a bug.
程序切片能帮助开发者找出哪些代码会影响某个漏洞(缺陷)。

Using dynamic program slicing, the analyst traced how untrusted input flowed through multiple functions to reach a security-critical check.
通过动态程序切片,分析人员追踪了不可信输入如何穿过多个函数,最终影响到一个安全关键的检查点。

词源 Etymology

slicing 原意是“切片/切开”,在计算机科学语境中借用为“把整体按某个关注点切出一部分”。program slicing 作为术语在 20 世纪 80 年代由研究者系统提出,用“切片”这一直观隐喻来表达:从完整程序中“切出”与某个计算目标相关的最小(或较小)子程序集合。

相关词 Related Words

文献与作品 Literary Works

  • Mark Weiser, “Program Slicing”, Proceedings of the 5th International Conference on Software Engineering (ICSE), 1981.
  • Frank Tip, “A Survey of Program Slicing Techniques”, Journal of Programming Languages, 1995.
  • Robert N. M. (常见教材/专著体系中相关章节):Program Analysis / Principles of Program Analysis 等程序分析类书籍中常以“slicing”作为依赖关系与数据流分析的应用案例出现。
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