GitHub - tomekw/stcc: The Super Tiny Compiler in Ada

STCC

From release:

$ ./stcc
Input:
(add 2 (subtract 4 2))

Output:
add(2, subtract(4, 2));

With Tada:

$ tada run
Input:
(add 2 (subtract 4 2))

Output:
add(2, subtract(4, 2));

Tests:

$ tada test

This codebase is written by hand.