Lispy

Build your own Lisp.

About

This is just a small pet project following the fantastic tutorial @ Build your own Lisp

Docker

Now with a docker automated build. See the registry for details.

• change directory into ./docker
• run: build (need superuser)
• run: run (need superuser)

Compilation and running

• run: make
• run: make install (needs superuser)
• run: ./bin/lispy or lispy

Movement keys (optional)

• ctrl-a: Go to start of line.
• ctrl-e: Go to end of line.
• ctrl-w: Delete previous word.
• ctrl-u: Delete whole line
• ctrl-b: Move cursor left
• ctrl-f: Move cursor right
• ctrl-p: Previous history entry in-line
• ctrl-n: Next history entry in-line

Standard library

The standard library is loaded by default. The other libraries have to be loaded manually, or through the environmental settings file.

Environment settings

Settings should be stored in LISPY_DEFAULT environment for automatic load on startup.

cp defaults.lspy.example ~/.defaults.lispy
export LISPY_DEFAULT=~/.defaults.lispy

Thanks to

• Daniel Holden for making this fantastic tutorial. Code here
• Salvatore Sanfilippo for making his snappy readline alternative