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A fully abstract game semantics of local exceptions
presentation
posted on 2023-06-07, 21:02 authored by James LairdA fully abstract game semantics for an extension of Idealized Algol with locally declared exceptions is presented. It is based on "Hyland-Ong games", but as well as relaxing the constraints which impose functional behaviour (as in games models of other computational effects such as continuations and references), new structure is added to plays in the form of additional pointers which track the flow of control. The semantics is proved to be fully abstract by a factorization of strategies into a 'new-exception generator' and a strategy with local control flow. It is shown, using examples, that there is no model of exceptions which is a conservative extension of the semantics of Idealized Algol without the new pointers.
History
Publication status
- Published
Publisher
IEEE Computer SocietyPublisher URL
Page range
pp 105-114Pages
10.0Presentation Type
- paper
Event name
LICS Conference 2001Event type
conferenceDepartment affiliated with
- Informatics Publications
Full text available
- No
Peer reviewed?
- Yes