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Lehrstuhl fr Informatik 12 Zeit: Montag, 16. Juni 2008, 13.30 Uhr

Summary: Lehrstuhl für Informatik 12
Zeit: Montag, 16. Juni 2008, 13.30 Uhr
Ort: Seminarraum des Rechen- und Kommunikation-
zentrums, Dienstgebäude Seffenter Weg 23
Referent: Prof. Terence Parr
Dept. of Computer Science
University of San Francisco, U.S.A.
Titel: The Reuse of Grammars with Embedded
Semantic Actions
Formal grammars lie at the heart of many important applications, including source
code rewriting systems and program comprehension tools. Because many applica-
tions deal with the same language, the reuse of a common syntax specification with
different semantics provides a number of advantages. While the advantages are ob-
vious, the mechanism for grammar reuse is not so clear. To go beyond syntax check-
ing, grammars must have some way to specify the translation or interpretation logic
(the semantics). Unfortunately, the act of specifying the semantics can lock a gram-
mar into one specific application since the grammar is often modified to suit (e.g.,
programmers often want to embed unrestricted semantic actions).


Source: Ábrahám, Erika - Fachgruppe Informatik, Rheinisch Westfälische Technische Hochschule Aachen (RWTH)


Collections: Computer Technologies and Information Sciences