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Implementing ALGOL 68 predicates
Author(s) -
Patel R. R.,
Hunter R. B.
Publication year - 1986
Publication title -
software: practice and experience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 70
eISSN - 1097-024X
pISSN - 0038-0644
DOI - 10.1002/spe.4380160107
Subject(s) - computer science , compiler , programming language , analyser , context (archaeology) , history , chemistry , chromatography , archaeology
Abstract Predicates are used in the Revised ALGOL 68 Report to indicate blind alleys and to reduce the number of rules in the Report. They may also be used by the compiler writer to implement some of the non‐context‐free aspects of the language. This paper shows how the predicates can be transformed in a relatively straightforward way into ALGOL 68 procedures to form part of an analyser for the revised language.