biwascheme

A practical Scheme interpreter written in JavaScript

npm install biwascheme
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BiwaScheme

biwascheme logo

BiwaScheme is a Scheme interpreter written in JavaScript.

Works with web browsers (including mobile devices) and Node.js.

Demos

see http://www.biwascheme.org/

Download

How to use

Just load biwascheme.js (or biwascheme-min.js) and write Scheme code.

<!DOCTYPE html>
<html>
<body>

<div id="bs-console"></div>

<script src="biwascheme.js">
(display "hello, world!")
</script>

</body>
</html>

How to use with node.js to run a biwa script

  1. $ npm install biwascheme
  2. create a file a.scm:

    (display "Hello, world!") (newline)

  3. $ biwas a.scm

How to use from inside node.js as a module

  1. $ npm install biwascheme
  2. create a file server.js:

    var BiwaScheme = require("biwascheme"); BiwaScheme.run("(+ 1 2)"); // or // BiwaScheme.run_file("a.scm");

  3. $ node server.js

Files

  • release/
    • the following files are generated here with $ make
      • biwascheme.js
      • biwascheme-min.js
      • node_biwascheme.js
  • demo/
    • Demos
  • src/
    • deps/
      • Dependencies (jQuery, underscore)
    • system/
      • Source code of the interpreter
    • library/
      • Built-in library functions
    • platform/
      • Platform dependent code (browser, node, etc.)
  • test/
    • Unit tests
  • tuplespace/
    • (experimental) TupleSpace implemented in Scheme
  • web/
    • HTMLs and CSS of www.biwascheme.org
  • www.biwascheme.org.js
    • web server

Building biwascheme.js

Prerequisites:

  • make
  • sed
  • node (Node.js)
  • uglifyjs ($ npm install uglify-js -g)

Make compiles src/*.js into release/biwascheme.js.

$ make

Links

Development memos

How to add a new file

  • edit Makefile
  • edit src/development_loader.js

How to release

(moved to doc/dev/release.md)

How to upgrade dependencies

jQuery:

  • update src/deps/jquery.js

underscore:

  • update src/deps/underscore.js
  • update node_modules/biwascheme/package.json

underscore.string:

  • update src/deps/underscore.string.js
  • update node_modules/biwascheme/package.json

Website

repo: biwascheme/biwascheme.github.io.

Run local website

You can run the website locally with Node and express.

$ make
$ npm install
$ node local_website.js
$ open http://localhost:7001

License

MIT-LICENSE

BiwaScheme logo by @jcubic: Creative Commons Attribution 3.0

Acknowledgements

Contact

https://github.com/biwascheme/biwascheme

Yutaka HARA (yhara) yutaka.hara.gmail.com http://twitter.com/yhara_en

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