Yocto Scheme

An over-engineered port of MiniScheme aiming for R4RS compliance but mostly just a playground to learn how to put together a working lexer/parser stack.

• re2c for lexing
• lemon for parsing
• linenoise for command line history/editing.

Credits

Mini-Scheme Interpreter Version 0.85

coded by Atsushi Moriwaki (11/5/1989)
E-MAIL :  moriwaki@kurims.kurims.kyoto-u.ac.jp
This version has been modified by R.C. Secrist.

Mini-Scheme is now maintained by Akira KIDA.

This is a revised and modified version by Akira KIDA.
current version is 0.85k4 (15 May 1994)

THIS SOFTWARE IS IN THE PUBLIC DOMAIN

This software is completely free to copy, modify and/or re-distribute.
But I would appreciate it if you left my name on the code as the author.

Some (a lot of) code ported from TinyScheme

lcm & gcd in init.scm from stalin

Compile Time Dependencies

re2c >= 1.0.3

lemon parser generator source is in tree

linenoise included as a git submodule

Known Bugs

• quasiquote macro doesn't work inside a vector
• #| comments |# overflow the input buffer

TODO

6.5.5. Numerical operations

• numerator
• denominator
• rationalize
• make-rectangular
• make-polar
• real-part
• imag-part
• magnitude
• angle

6.7. Strings

• string-set!
• string=?
• string-ci=?
• string<?
• string>?
• string<=?
• string>=?
• string-ci<?
• string-ci>?
• string-ci<=?
• string-ci>=?
• substring
• string-append
• string->list
• list->string
• string-copy
• string-fill!

6.10.1. Ports

• call-with-input-file
• call-with-output-file
• with-input-from-file
• with-output-to-file
• open-input-file
• open-output-file
• close-input-file
• close-output-file

6.10.2. Input

• read-char
• peek-char
• eof-object?
• char-ready?

6.10.4. System interface

• transcript-on
• transcript-off