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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Dependent Types for Low-Level Programming
verfasst von : Jeremy Condit, Matthew Harren, Zachary Anderson, David Gay, George C. Necula
Erschienen in: Programming Languages and Systems
Verlag: Springer Berlin Heidelberg
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In this paper, we describe the key principles of a dependent type system for low-level imperative languages. The major contributions of this work are (1) a sound type system that combines dependent types and mutation for variables and for heap-allocated structures in a more flexible way than before and (2) a technique for automatically inferring dependent types for local variables. We have applied these general principles to design Deputy, a dependent type system for C that allows the user to describe bounded pointers and tagged unions. Deputy has been used to annotate and check a number of real-world C programs.