Implementation of the Stats command which Hugo command depends upon

Abstract Syntax Tree and basic RIDDL language parser

A Testkit for testing RIDDL code, and a suite of those tests

AST Pass infrastructure and essential passes

RIDDL Command Infrastructure and basic command definitions

Various utilities used throughout riddl libraries

Implementation for the RIDDL prettify command, a code reformatter

The `riddlc` compiler and tests, the only executable in RIDDL

An sbt plugin to embellish a project with riddlc usage