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FreeSpec

FreeSpec is a framework for implementing, certifying, and executing impure computations in Coq.

Overview

This repository contains three Coq packages:

• coq-freespec-core provides the foundation of the FreeSpec formalism.
• coq-freespec-exec provides the means to execute impure computations implemented with the help of coq-freespec-core.
• coq-freespec-ffi provides the means to use FreeSpec with coqffi.

The codebase is organized as follows:

• The Coq definitions of the three theories live in the theories/ directory.
• The OCaml source of the Coq plugins live in the plugins/ directory.
• There are examples for the three plugins in the examples/ directory.

Getting Started

coq-freespec-core depends on coq-ext-lib. Besides, coq-freespec-ffi depends on coqffi.

dune build
dune install

Besides, we provide two helper scripts:

• run-tests.sh executes each Coq file living in tests/ and reports any error
• build-docs.sh builds the OCaml and Coq source documentation

Said documentations are published here.

In addition, FreeSpec has been the subject of two academic publications.

• FreeSpec: Specifying, Certifying and Executing Impure Computations in Coq (CPP'20)
• Modular Verification of Programs with Effects and Effect Handlers in Coq (FM'18)

Credit

FreeSpec is a Free Software, distributed under the terms of the MPLv2. It was initially developed within the the French Cybersecurity Agency (ANSSI).