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This article describes structure-preserving coding patterns to code arbitrary  non-circular attribute grammars as syntax-directed translation schemes for  bottom-up and top-down parser generation tools. In these translation schemes,  semantic actions are written in terms of a small repertory of primitive  attribution operations. By providing alternative implementations for these  attribution operations, it is possible to plug in different semantic  evaluation strategies in a seamlessly way (e.g., a demand-driven strategy, or  a data-driven one). The pattern makes possible the direct implementation of  attribute grammar-based specifications with widely-used translation  schemedriven tools for the development of both bottom-up (e.g. YACC, BISON,  CUP) and top-down (e.g., JavaCC, ANTLR) language translators. As a  consequence, initial translation schemes can be successively refined to yield  final efficient implementations. Since these implementations still preserve  the ability to be extended with new features described at the attribute  grammar level, the advantages from the point of view of development and  maintenance become apparent.

A systematic approach to the implementation of attribute grammars with conventional compiler construction tools