Comprehending Source Code of Large Software System for Reuse

被引：0
|
作者：
Kulkarni, Aniket [1 ]
机构：
[1] Tata Consultancy Serv, TCS Res, Plot 54 B,Hadapsar Ind Estate, Pune 411013, Maharashtra, India
来源：
2016 IEEE 24TH INTERNATIONAL CONFERENCE ON PROGRAM COMPREHENSION (ICPC) | 2016年
关键词：
PROGRAM COMPREHENSION;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Comprehending source code of large software system for code reuse is an important problem. It is due to very high cost of software maintenance. In this paper, the author shares the experience on comprehending code-base of PRISM - a model-based program analysis tool developed by Tata Consultancy Services - containing in total more than 500 KLOC. During this activity, the author not only detected two bugs in existing PRISM software system while comprehending more than half of the total code (approximately 300 KLOC), but also added feature of Application Programming Interface (API) for Intermediate Representation (IR) transformation utility for 'C' language consisting of 1 KLOC. The author applied combination of key techniques such as lexical and dynamic analyses, models such as Brook, Soloway to understand code-base and, mixed top-down and bottom-up approaches for comprehension. The author observed that speed of comprehension and reuse later increased multi-fold because half of code-base (approximately 250 KLOC) is automatically generated from specification and thus by focusing on understanding less than 25 KLOC.
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页数：4
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