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Formalisation of Attribute Grammar Evaluation

Tony Sloane, Macquarie University

This talk will give an overview of work with Scott Buckley to develop a core calculus and semantics for evaluation of higher-order, parameterised, reference attribute grammars. A key aspect of the semantics is the ability of a single context function to express the structure being attributed, intrinsic attribute values, attribute equations, parametrisation and caching of attribute values. Time permitting, I will show how the semantics can be used to reason about properties of realistic grammars from language implementations.