A Pure Demand Operational Semantics with Applications to Program Analysis

This paper develops a novel minimal-state operational semantics for higher-order functional languages that uses only the call stack and a source program point or a lexical level as the complete state information: there is no environment, no substitution, no continuation, etc. We prove this form of o...

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Vydáno v:Proceedings of ACM on programming languages Ročník 8; číslo OOPSLA1; s. 1154 - 1180
Hlavní autoři: Smith, Scott, Zhang, Robert
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York, NY, USA ACM 29.04.2024
Témata:
Functional languages
Operational semantics
Program analysis
Software and its engineering
Theory of computation
Demand-Driven Operational Semantics
ISSN:2475-1421, 2475-1421
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Shrnutí:This paper develops a novel minimal-state operational semantics for higher-order functional languages that uses only the call stack and a source program point or a lexical level as the complete state information: there is no environment, no substitution, no continuation, etc. We prove this form of operational semantics equivalent to standard presentations. We then show how this approach can open the door to potential new applications: we define a program analysis as a direct finitization of this operational semantics. The program analysis that naturally emerges has a number of novel and interesting properties compared to standard program analyses for higher-order programs: for example, it can infer recurrences and does not need value widening. We both give a formal definition of the analysis and describe our current implementation.
ISSN:2475-1421
2475-1421
DOI:10.1145/3649852