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BRiCk

A program logic for verifying concurrent C++ in Coq.

Running

As a standalone tool

cpp2v -v -names XXX_names.v -o XXX_cpp.v XXX.cpp -- ...clang options...

Build & Dependencies

The following scripts should work, but you can customize them based on your needs. They must be run inside a clone of this repository.

Our instructions are for Linux (Ubuntu) and OSX.

  • LLVM 17 or greater (we've tested against 17 and 18)
  • cmake
  • opam 2

Native dependencies: Linux (Ubuntu)

# install opam and cmake
sudo apt install cmake opam
# install llvm 18 (see directions here: https://apt.llvm.org/)
wget https://apt.llvm.org/llvm.sh
chmod +x llvm.sh
sudo ./llvm.sh 18 all

Native dependencies: OSX

For OSX we recommend clang 18:

brew install llvm@18 cmake opam
export PATH=/usr/local/opt/llvm@18/bin:${PATH}

Setup

The script below uses 4 cores, customize as needed.

# install opam dependencies
eval $(opam env)
# The first time, run:
opam repo add coq-released https://coq.inria.fr/opam/released
opam repo add iris-dev https://gitlab.mpi-sws.org/iris/opam.git
# install cpp2v Coq library and Coq dependencies
opam update
opam pin -n coq-cpp2v .
opam pin -n coq-cpp2v-bin .
opam install coq coq-cpp2v coq-cpp2v-bin

Building

Building is primarily done via dune and can be done using

$ dune build

Examples

See the examples in the tests directory to get an idea of coverage that the logic supports. More examples will be added as the feature set evolves.

You can run the tests with:

$ dune test

You can run cpp2v on your own files by invoking

$ dune exec cpp2v -- ...cpp2v options... -- ...clang options...

Repository Layout

  • src and include -- the implementation of the cpp2v tool.
    • llvm-include -- extensions of LLVM source code (see llvm-include/LICENSE.txt for the license of these files)
  • coq-upoly -- universe polymorphic monad libraries
  • theories -- the core Coq development.
    • prelude -- BlueRock's prelude extending stdpp
    • lang/cpp -- the C++ syntax and semantics
      • syntax -- the definition of the C++ AST (abstract syntax tree)
      • semantics -- core semantic definitions that are independent of separation logic
      • logic -- the separation logic weakest pre-condition semantics
      • parser -- the environment used to interpret the generated code.

Coq IDEs

The following command can be used to create a _CoqProject file for use by Coq IDEs.

$ ln -s _CoqProject.template _CoqProject