Monadic and comonadic aspects of dependency analysis
Monadic and comonadic aspects of dependency analysis
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依赖分析的单子和共子方面
DOI:
10.1145/3563335
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发表时间:
2022
影响因子:
--
通讯作者:
Choudhury, Pritam
中科院分区:
文献类型:
--
作者:
Choudhury, Pritam
Dependency analysis is vital to several applications in computer science. It lies at the essence of secure information flow analysis, binding-time analysis, etc. Various calculi have been proposed in the literature for analysing individual dependencies. Abadi et. al., by extending Moggi’s monadic metalanguage, unified several of these calculi into the Dependency Core Calculus (DCC). DCC has served as a foundational framework for dependency analysis for the last two decades. However, in spite of its success, DCC has its limitations. First, the monadic bind rule of the calculus is nonstandard and relies upon an auxiliary protection judgement. Second, being of a monadic nature, the calculus cannot capture dependency analyses that possess a comonadic nature, for example, the binding-time calculus, λ∘, of Davies. In this paper, we address these limitations by designing an alternative dependency calculus that is inspired by standard ideas from category theory. Our calculus is both monadic and comonadic in nature and subsumes both DCC and λ∘. Our construction explains the nonstandard bind rule and the protection judgement of DCC in terms of standard categorical concepts. It also leads to a novel technique for proving correctness of dependency analysis. We use this technique to present alternative proofs of correctness for DCC and λ∘.
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DOI:
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发表时间:
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期刊:
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ACM SIGPLAN International Conference on Functional Programming
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