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TitleGenerating flex lexical scanners for perl parse:: Yapp
Author(s)Simões, Alberto
Carvalho, Nuno
Almeida, J. J.
Issue dateJun-2012
PublisherSchloss Dagstuhl – Leibniz-Zentrum für Informatik GmbH
JournalOASIcs: OpenAccess Series in Informatics
Abstract(s)Perl is known for its versatile regular expressions. Nevertheless, using Perl regular expressions for creating fast lexical analyzer is not easy. As an alternative, the authors defend the automated generation of the lexical analyzer in a well known fast application (flex) based on a simple Perl definition in the syntactic analyzer. In this paper we extend the syntax used by Parse::Yapp, one of the most used parser generators for Perl, making the automatic generation of flex lexical scanners possible. We explain how this is performed and conclude with some benchmarks that show the relevance of the approach.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:CEHUM - Artigos em livros de atas

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