Labrys is a toy language based on LLVM that implements the System Fω type-system.

Features

• Effects
• Checked exceptions (via effects)
• LLVM backend
• Higher-order polymorphism

Runtime requirements

• A C compiler: cc is used by default

Build-time requirements

• The latest OPAM and the latest OCaml (https://opam.ocaml.org/)
• Ott (for building documentation only)
• Rubber (for building documentation only)

Installation

$ opam pin add labrys .

Usage

Examples of the syntax or features can be seen in the examples directory

To compile an example you have to use the following command:

$ labrys build-program examples/Hello.sfw

Just replace Hello by the name of the module you want to compile (such as NativeFact or Fact)

Then you can execute the resulting program with:

$ ./a.out

To know more about the compiler options, use the --help argument like:

$ labrys --help
$ labrys build-program --help

Enjoy !