This paper present an aspect-oriented extension for the Kotlin programming language. Kotlin is a new multi-paradigm programming language that is rapidly gaining popularity. However, to be competitive with the existing...
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This paper present an aspect-oriented extension for the Kotlin programming language. Kotlin is a new multi-paradigm programming language that is rapidly gaining popularity. However, to be competitive with the existing programming languages it is necessary to implement many extensions already existing for the traditional programming languages. One of such extensions is an aspect-oriented approach. In the paper, after the analysis of the aspect-oriented extensions for the diferent object-oriented languages, we have developed a program prototype, which allows using the aspect-oriented approach with Kotlin programming language. We have developed a grammar for describing aspects and have created extension of Kotlin compiler for weaving cross-cutting functionality. The developed extension has been successfully verifed on a test suite.
作者：
Polito, GuillermoDucasse, StéphaneFabresse, LucRMoD
Univ. Lille CNRS Centrale Lille Inria UMR 9189 CRIStAL - Centre de Recherche en Informatique Signal et Automatique de Lille LilleF-59000 France Inria Lille-Nord Europe
40 Avenue Halley Villeneuve d’Ascq France IMT Lille Douai
Univ. Lille Unit de Recherche Informatique Automatique LilleF- 59000 France
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ISBN:
(纸本)1891706411
Modularity in object-oriented (OO) applications has been a major concern since the early years of OO programming languages. Migrating existing OO applications to Component-Based (CB) ones can contribute to improve modularity, and therefore maintainability and reuse. In this paper, we propose a method for source code transformation (refactoring) in order to perform this migration. This method enhances decoupling by considering that some dependencies between classes should be set through abstract types (interfaces) like in CB applications. In addition, some anticipated instantiations of these classes "buried" in the source code are extracted and replaced by declarative statements (like connectors in CB applications) which are processed by a dependency injection mechanism. For doing so, a set of "Bad Smells", i.e., modularity-violating symptoms, has been defined. These are first detected in the source code. Then, some refactoring operations are applied for their elimination. An implementation of the method was successfully experimented on a set of open source Java projects. The results of this experimentation are reported in this paper.
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