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POPL
2010
ACM

A Verified Compiler for an Impure Functional Language

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A Verified Compiler for an Impure Functional Language
We present a verified compiler to an idealized assembly language from a small, untyped functional language with mutable references and exceptions. The compiler is programmed in the Coq proof assistant and has a proof of total correctness with respect to bigstep operational semantics for the source and target languages. Compilation is staged and includes standard phases like translation to continuation-passing style and closure conversion, as well as a common subexpression elimination optimization. In this work, our focus has been on discovering and using techniques that make our proofs easy to engineer and maintain. While most programming language work with proof assistants uses very manual proof styles, all of our proofs are implemented as adaptive programs in Coq's tactic language, making it possible to reuse proofs unchanged as new language features are added. In this paper, we focus especially on phases of compilation that rearrange the structure of syntax with nested variabl...
Adam J. Chlipala
Added 01 Mar 2010
Updated 02 Mar 2010
Type Conference
Year 2010
Where POPL
Authors Adam J. Chlipala
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