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Communication Dans Un Congrès Année : 2024

A Small-Step Semantics for Janus

Résumé

Janus is an imperative, sequential language for reversibility. While heavily studied in the reversibility literature, to the best of our knowledge, no small-step semantics for it exists. Hence, we propose a small-step semantics for Janus and we prove it equivalent to a big-step semantics from the literature, for programs that have no runtime errors and no divergence. Our main motivation is to enable a future extension of Janus with concurrency primitives, which is more easily defined on top of a small-step semantics. As additional feature, a small-step semantics allows one to more easily distinguish between failing and non-terminating computations.
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Dates et versions

hal-04610285 , version 1 (12-06-2024)

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Pietro Lami, Ivan Lanese, Jean-Bernard Stefani. A Small-Step Semantics for Janus. RC 2024 - 16th International Conference on Reversible Computation, Jul 2024, Torun, Poland. pp.105 - 123, ⟨10.1007/978-3-031-62076-8_8⟩. ⟨hal-04610285⟩
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