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Thèse Année : 2011

A VPA-based Aspect Language

Résumé

This thesis focuses on the development of an advanced history-based aspect language and approaches to certain related issues ranging from applications to analysis methods. The aspect language, namely VPA-based Aspect Language, is defined upon visibly pushdown au- tomata (VPAs) [21]. This language is essentially an extension from an existing framework [47] of regular aspect languages. It features VPA-based pointcuts and provides, in particu- lar, constructors for the declarative definition of pointcuts based on regular and non-regular structures. We have also extended and developed the technique for detecting automatically potential interactions among VPA-based aspects. Despite several advantages of the class of visibly pushdown automata, there has been no practical support for them available. Therefore, we have realized a library called VPAlib that provides the implementation of essential data structures and operations for the VPA. This library is essential to enable the construction and analysis of VPA-based aspects. For instance, we have successfully performed certain analysis for detecting interactions among aspects using this library. In order to motivate the use of VPA-based aspects, we have studied two basic kinds of distributed applications, one representing typical systems with nested login sessions, and the other representing a grid computing system over peer-to-peer network. We have shown how VPA-based aspects can be useful for the realization of certain functionalities of these typical distributed applications. Thanks to their highly expressive pointcuts, another important application of VPA-based aspects is to define evolution on component-based systems, especially those with explicit component protocols. The use of aspects over component protocols, however, may break the coherence between the components of the system. We have further developed proof methods to establish the preservation of fundamental correctness properties, such as compatibility and substitutability relations between software components after the application of VPA-based aspects. Finally, we have considered the use of model checking techniques to verify systems that are modified by aspects. The goal of the verification is to check whether an aspect violates the global properties of a base system or the properties of other aspects. We have chosen the approach in which we create an abstract model from the VPA model and then run a model checker that is capable of checking the abstract model against the properties. We formally define the abstraction process and demonstrate our model checking approach via examples.
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Dates et versions

tel-00642636 , version 1 (18-11-2011)

Identifiants

  • HAL Id : tel-00642636 , version 1

Citer

Dong Ha Nguyen. A VPA-based Aspect Language. Software Engineering [cs.SE]. Université de Nantes, 2011. English. ⟨NNT : ⟩. ⟨tel-00642636⟩
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