Managing a multi-file, multi-language software repository for program comprehension tools: a generic approach

2002 ◽  
Author(s):  
M. Kamp
Keyword(s):  
Program Comprehension ◽  
Software Repository

An Algorithm for Gradual Patch Acceptance Detection in Open Source Software Repository Mining

2012 ◽  
Vol E95.A (9) ◽  
pp. 1478-1489
Author(s):  
Passakorn PHANNACHITTA ◽  
Akinori IHARA ◽  
Pijak JIRAPIWONG ◽  
Masao OHIRA ◽  
Ken-ichi MATSUMOTO
Keyword(s):  
Open Source ◽  
Open Source Software ◽  
Software Repository ◽  
Repository Mining ◽  
Software Repository Mining

scholarly journals What do class comments tell us? An investigation of comment evolution and practices in Pharo Smalltalk

2021 ◽  
Vol 26 (6) ◽  
Author(s):  
Pooja Rani ◽  
Sebastiano Panichella ◽  
Manuel Leuenberger ◽  
Mohammad Ghafari ◽  
Oscar Nierstrasz
Keyword(s):  
Empirical Study ◽  
Programming Languages ◽  
Program Comprehension ◽  
Assessment Tools ◽  
Support Program ◽  
Writing Style ◽  
High Quality ◽  
Types Of Information ◽  
Similar Code

Abstract Context Previous studies have characterized code comments in various programming languages, showing how high quality of code comments is crucial to support program comprehension activities, and to improve the effectiveness of maintenance tasks. However, very few studies have focused on understanding developer practices to write comments. None of them has compared such developer practices to the standard comment guidelines to study the extent to which developers follow the guidelines. Objective Therefore, our goal is to investigate developer commenting practices and compare them to the comment guidelines. Method This paper reports the first empirical study investigating commenting practices in Pharo Smalltalk. First, we analyze class comment evolution over seven Pharo versions. Then, we quantitatively and qualitatively investigate the information types embedded in class comments. Finally, we study the adherence of developer commenting practices to the official class comment template over Pharo versions. Results Our results show that there is a rapid increase in class comments in the initial three Pharo versions, while in subsequent versions developers added comments to both new and old classes, thus maintaining a similar code to comment ratio. We furthermore found three times as many information types in class comments as those suggested by the template. However, the information types suggested by the template tend to be present more often than other types of information. Additionally, we find that a substantial proportion of comments follow the writing style of the template in writing these information types, but they are written and formatted in a non-uniform way. Conclusion The results suggest the need to standardize the commenting guidelines for formatting the text, and to provide headers for the different information types to ensure a consistent style and to identify the information easily. Given the importance of high-quality code comments, we draw numerous implications for developers and researchers to improve the support for comment quality assessment tools.

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