crisp

master branch1 version

github.com/rhysd/Crisp

Crisp is a Lisp dialect implemented with Crystal.

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License: MIT

Installation

# Add this to your shard.yml
dependencies:
  crisp:
    github: rhysd/Crisp
    branch: master

master is a branch, not a release, so this tracks it rather than pinning a version.

Then run:

shards install

Crisp is one of Lisp dialect which is based on mal and implemented with Crystal. This project is a toy box for my dynamic language ideas.

screenshot

Refactorings
- [ ] Make is_a? guards more elegant
- [ ] Import test cases from Mal
- [x] Add CI
- [x] More OOP (evaluator, remove global variable, move states into object)
- [x] Use standard readline implementation
- [ ] Better lexer and parser
- [ ] Add examples
- [ ] More convenient REPL (e.g. completion)
New language features using Crystal's semantics
- [ ] Algebraic data type
- ...

Install crystal command
Run shards install for installing dependencies
Run crystal build /path/to/Crisp/crisp.cr to build an executable (add --release for the release build)
Put the built crisp executable in a $PATH directory

Please see mal test cases for now.

Distributed under the MIT License.

Copyright (c) 2015 rhysd