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Attribute Redefinitions For Syntax Macros
Stc
----+++ Abstract In many applications of translations it is desired to return to the original input, for instance to report errors. More generally, there is need for a possibility to change the default behaviour of the translation. In this talk, a technique is presented to redefine attributes that are specified in the attribute grammar of an abstract data structure at run-time. For the implementation an aspect-oriented approach to attibute grammars is required. The obtained attribute redefinition technique is combined with a syntax macro supporting compiler, which translates new concrete syntax to existing abstract syntax. -- Main.DaveClarke - 27 Jun 2003