Extrinsically typed operational semantics for functional languages

M. Cimini, D. Miller, Jeremy G. Siek
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引用次数: 5

Abstract

We present a type system over language definitions that classifies parts of the operational semantics of a language in input, and models a common language design organization. The resulting typing discipline guarantees that the language at hand is automatically type sound. Thanks to the use of types to model language design, our type checker has a high-level view on the language being analyzed and can report messages using the same jargon of language designers. We have implemented our type system in the lang-n-check tool, and we have applied it to derive the type soundness of several functional languages, including those with recursive types, polymorphism, exceptions, lists, sums, and several common types and operators.
函数式语言的外类型操作语义
我们提出了一种基于语言定义的类型系统,它在输入中对语言的操作语义部分进行分类,并对公共语言设计组织进行建模。由此产生的打字规则保证了手边的语言是自动打字正确的。由于使用类型对语言设计进行建模,我们的类型检查器对所分析的语言有一个高级视图,并且可以使用语言设计者的相同术语报告消息。我们已经在lang-n-check工具中实现了我们的类型系统,并应用它派生了几种函数式语言的类型稳健性,包括那些具有递归类型、多态性、异常、列表、和以及几种常见类型和操作符的语言。
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