Look Ahead! Revealing Complete Composite Refactorings and their Smelliness Effects

Bibiano, Ana Carla; Assunção, Wesley K. G.; Coutinho, Daniel; Santos, Kleber; Soares, Vinicius; Gheyi, Rohit; Garcia, Alessandro; Fonseca, Baldoíno; Ribeiro, Márcio; Oliveira, Daniel; Barbosa, C. Hall; Marques, João Lucas; Oliveira, Anderson

doi:10.1109/icsme52107.2021.00033

Cited by 11 publications

(47 citation statements)

References 29 publications

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“…Nevertheless, Additional studies are needed. Additionally, although the RefactoringMiner 2.1 tool can identify 62 types of refactorings, our experiments considered only 33 types, which are the most frequently applied in other studies [34]. We conjecture that a study evaluating a more extensive set of refactoring types would possibly find an even more substantial involvement of refactoring operations in increasing merge effort.…”

Section: Discussionmentioning

confidence: 99%

“…The other seven types of refactorings were defined by Tsantalis et al [31]: Change Parameter Type, Change Variable Type, Merge Parameter, Merge Variable, Parameterize Variable, Replace Attribute, and Replace Variable with Attribute. We consider these subsets of refactorings, as a recent study revealed that developers often applied them in practice [34].…”

Section: B Refactorings and Merge Effortmentioning

confidence: 99%

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A Universidade Federal Fluminense (UFF) e a história institucional em Macaé: de extensão niteroiense ao Instituto de Ciências da Sociedade de Macaé (ICM)

Oliveira

Silva

2020

Revista Vértices

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Este artigo tem como objetivo contar a história da implementação da Universidade Federal Fluminense em Macaé. Para isso, foi necessário identificar o surgimento da UFF em 1960 a partir da Lei 3.848, à época nomeada como Uferj, que contou com diversas lutas estudantis e políticas. Após a referida etapa, o estudo traz o enfoque para a história da instituição em Macaé, o convênio com a Fundação Educacional de Macaé (FUNEMAC) em 1992, e finalmente a criação do Instituto de Ciências da Sociedade de Macaé, em 2013, com eleições diretas no ano de 2015 e, mais recentemente, com a inauguração do Bloco D da Cidade Universitária. Para esta pesquisa bibliográfica foram usadas fontes primárias e secundárias, como o site da UFF e do ICM, documentos oficiais e jornais locais. Os resultados apontam para a importância do Ensino Superior na sociedade, em especial em um contexto de interiorização.

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Section: Discussionmentioning

confidence: 99%

Section: B Refactorings and Merge Effortmentioning

confidence: 99%

A Universidade Federal Fluminense (UFF) e a história institucional em Macaé: de extensão niteroiense ao Instituto de Ciências da Sociedade de Macaé (ICM)

Oliveira

Silva

2020

Revista Vértices

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“…Similarly, composites are defined as sequences of atomic refactoring operations 4,10,48 . This concept is explored in contexts like domain specific languages for describing refactoring 48 and code smells 10,49 …”

Section: Related Workmentioning

confidence: 99%

“…al. 49 investigated "complete composites", that is, sets of refactoring operations that remove the whole occurrence of four code smell types. The study includes 618 complete composites formed by well-known refactoring operations.…”

Section: Catalog Of Refactoringsmentioning

confidence: 99%

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Towards a catalog of composite refactorings

Brito

Hora

Valente

2023

J Software Evolu Process

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Catalogs of refactoring have key importance in software maintenance and evolution, since developers rely on such documents to understand and perform refactoring operations. Furthermore, these catalogs constitute a reference guide for communication between practitioners since they standardize a common refactoring vocabulary. Fowler's book describes the most popular catalog of refactorings, which documents single and well‐known refactoring operations. However, sometimes, refactorings are composite transformations, that is, a sequence of refactorings is performed over a given program element. For example, a sequence of Extract Method operations (a single refactoring) can be performed over the same method, in one or in multiple commits, to simplify its implementation, therefore, leading to a Method Decomposition operation (a composite refactoring). In this paper, we propose and document a catalog with eight composite refactorings. We also implement a set of scripts to mine composite refactorings by preprocessing the results of refactoring detection tools. Using such scripts, we search for composites in a representative refactoring oracle with hundreds of confirmed single refactoring operations. Next, to complement this first study, we also search for composites in the full history of 10 well‐known open‐source projects. We characterize the detected composite refactorings, under dimensions such as size and location. We conclude by addressing the applications and implications of the proposed catalog.

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On the Impact of Refactorings on Software Attack Surface

Edward,

Nyamawe,

Elisa

2024

IEEE Access

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Refactoring is one of the techniques mostly employed by software developers to improve the quality attributes of their systems. However, little has been done to investigate how refactoring operations specifically aimed at improving the internal structure of software can impact its security. Refactoring usually entails different code change operations including the decomposition of classes, methods, and the reallocation of code elements. While this refinement aims to improve the internal design of a system, it might inadvertently disperse security-critical code elements throughout the codebase. Consequently, such dispersion could affect the software attack surface. To this end, this paper presents an empirical study of 30 open-source software systems developed in Python, C, and Javascript. The study scrutinized two subsequent versions of each subject application to uncover the refactoring operations applied and the trend of the software attack surface. Specifically, the study focused on the injection or removal of bugs, code smells and other vulnerabilities aiming to discern the impact of refactorings on the software attack surface. Data was collected using wellknown tools, namely SonarQube, RefDiff, and PyReff. The findings suggest that refactorings can have multiple impacts (i.e., positive, negative, or neutral) on bugs, code smells, and vulnerabilities. The findings further confirm that developers must be aware of the combination or sequence of refactoring operations that can improve software quality without compromising its security.

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Look Ahead! Revealing Complete Composite Refactorings and their Smelliness Effects

Cited by 11 publications

References 29 publications

A Universidade Federal Fluminense (UFF) e a história institucional em Macaé: de extensão niteroiense ao Instituto de Ciências da Sociedade de Macaé (ICM)

A Universidade Federal Fluminense (UFF) e a história institucional em Macaé: de extensão niteroiense ao Instituto de Ciências da Sociedade de Macaé (ICM)

Towards a catalog of composite refactorings

On the Impact of Refactorings on Software Attack Surface

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