Attributed Tree Transducers
In this chapter we introduce the third formal model of syntax-directed semantics: the attributed tree transducer. It is created by abstraction from attribute grammars. It can also handle context information like a macro tree transducer, and in this sense it too is more powerful than a top-down tree transducer. However, attributed tree transducers treat context information in an explicit way rather than implicitly as macro tree transducers do.
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