Regular-Language Semantics for a Call-by-Value Programming Language
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BibTeX
@MISC{Ghica_regular-languagesemantics,
author = {Dan R. Ghica},
title = {Regular-Language Semantics for a Call-by-Value Programming Language},
year = {}
}
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Abstract
We explain how game semantics can be used to reason about term equivalence in a finitary imperative first order language with arrays. For this language, the game-semantic interpretation of types and terms is fully characterized by their sets of complete plays. Because these sets are regular over the alphabet of moves, they are representable by (extended) regular expressions. The formal apparatus of game semantics is greatly simplified but the good theoretical properties of the model are preserved. The principal advantage of this approach is that it is mathematically elementary, while fully formalized. Since language equivalence for regular languages is decidable, this method of proving term equivalence is suitable for automation.
