Abstract

This paper presents a reflective architecture and an implemented prototype that supports aspect oriented programming in Smalltalk. The aspects are metaobjects which are weaved dynamically and the composition is noninvasive, thus enhancing flexibility and transparency. 1 Introduction The main goal of aspect oriented programming is to offer methods and techniques that improve the design architecture of complex systems, by decomposing them into independent components. This does not differ from the goals of many other paradigms, except from the fact that it focuses on the problems that arise when the different properties of a system cross-cut its basic functionality. [Hrsch95] One difference in the proposals for supporting AOP resides in the way in which the cross-cutting aspects are "weaved" across the functional components of the system: if the weaving is static or dynamic, and if there is code transformation. Additionally, there are proposals of specific languages for the support...

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