Abstract

: EPP (the Extensible Preprocessor) is an extensible language preprocessor; it was designed to introduce new language constructs by the mere addition of plugin modules that can also define new syntaxes and macro definitions. The relation of EPP to AOP is twofold. First, the EPP kit has been programmed using the Ld-2 language which introduces aspect-oriented constructs: system mixins. Second, we suggest that EPP could be used to program aspect-oriented weavers in a modular fashion. We describe here the new Java version of EPP. We also discuss the constructs needed for providing additional capabilities regarding the composition of extension modules that could serve in writing weavers. 1 Issues in AOP The traditional approach to software programming has been to modelize a problem by defining independent components, be it under the form of objects or functions. Global interactions between components and with the program environment arise, but only implicitly, from their local calls: this ...

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