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This is the official repository for the Soufflé language project. The Soufflé language is similar to Datalog (but has terms known as records), and is frequently used as a domain-specific language for analysis problems.

License: UPL CI-Tests MSVC-CI-Tests codecov

Features of Soufflé

How to get Soufflé

Use git to obtain the source code of Soufflé.

$ git clone https://github.com/souffle-lang/souffle.git

Build instructions can be found here.

Legacy code

If you have written code for an older version of Souffle, please use the command line flag --legacy. Alternatively, please add the following line to the start of your source-code:

.pragma "legacy"

Issues and Discussions

Use either the issue list for

or use the discussions bulletin board to engage with other community members and for asking questions you’re wondering about.

How to contribute

Issues and bug reports for Souffle are found in the issue list. This list is also where new contributors may find extensions / bug fixes to work on.

To contribute in this repo, please open a pull request from your fork of this repository. The general workflow is as follows.

  1. Find an issue in the issue list.

  2. Fork the souffle-lang/souffle repo.

  3. Push your changes to a branch in your forked repo.

  4. Submit a pull request to souffle-lang/souffle from your forked repo.

Our continuous integration framework enforces coding guidelines with the help of clang-format and clang-tidy.

For more information on building and developing Souffle, please read the developer tutorial.

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For academics

If you use our work, please cite our work. A list of publications can be found here. The main publications are: