Revamping JavaScript static analysis via localization and remediation of root causes of imprecision

Shiyi Wei, Omer Tripp, B. Ryder, Julian T Dolby
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引用次数: 15

Abstract

Static analysis is challenged by the dynamic language constructs of JavaScript which often lead to unacceptable performance and/or precision results. We describe an approach that focuses on improving the practicality and accuracy of points-to analysis and call graph construction for JavaScript programs. The approach first identifies program constructs which are sources of imprecision (i.e., root causes) through monitoring the static analysis process. We then examine and suggest specific context-sensitive analyses to apply. Our technique is able to to find that the root causes comprise less than 2% of the functions in JavaScript library applications. Moreover, the specialized analysis derived by our approach finishes within a few seconds, even on programs which can not complete within 10 minutes with the original analysis.
通过本地化和修复不精确的根本原因来改进JavaScript静态分析
静态分析受到JavaScript的动态语言结构的挑战,这通常会导致不可接受的性能和/或精度结果。我们描述了一种专注于提高JavaScript程序的点分析和调用图构建的实用性和准确性的方法。该方法首先通过监视静态分析过程来识别作为不精确源(即根本原因)的程序构造。然后,我们检查并建议应用特定的上下文敏感分析。我们的技术能够发现,根本原因包括JavaScript库应用程序中不到2%的函数。此外,我们的方法衍生的专业分析在几秒钟内完成,即使在程序不能在10分钟内完成与原始分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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