Mathematical!

Mathematical expressions in a lispy syntax.

Test it out in the online REPL!

Instructions

# Install NPM modules
yarn install --dev

# Build the code
yarn run build

# Run the example
yarn run example && node ./output/example.js

# Run the tests
yarn test

Examples

The language is lisp-like, but it only supports numbers and basic operators.

1
(+ 1 2)
(+ (- 3 4) (* 2 3))

FAQ

What can I use this for?

Probably nothing. You might find it useful to learn from.

Did you use a framework like ANTLR, Flex, and so on?

Nope! The parser is hand-written JavaScript. The REPL uses React.

Why did you make this?

To practice writing parsers!