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Logic-based specification of visibility rules

  • Arnd Poetzsch-Heffter
Session: Compiler Construction I
Part of the Lecture Notes in Computer Science book series (LNCS, volume 528)

Abstract

The paper describes a new, declarative method for the formal specification of visibility rules. In contrast to common methods that are based on the specification of a symboltable (or environment), of appropriate update operations and of passing rules, the presented method is related to visibility descriptions in language reports. It consists of three steps: First, the program entities are specified, i.e. the candidates for the meaning of an identifier; the next step defines the ranges where the program entities are valid or hidden; finally, visibility is expressed in terms of these ranges. To formally define the semantics of these visibility specifications, a modeltheoretic view of abstract syntaxtrees is sketched. Using this framework, we give a fixpoint semantics for such specifications.

Keywords

Predicate Symbol Program Point Visibility Description Contextual Constraint Visibility Specification 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • Arnd Poetzsch-Heffter
    • 1
  1. 1.Institut für Informatik der TU MünchenMünchen 2

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