Some error checking was added, and some cleanup was done.
tree53a98be6ddebf5a2a7d24fa2150cab909710db06
-rw-r--r-- 17 .gitignore
-rw-r--r-- 20624 asm.scm
-rw-r--r-- 5191 ast.scm
-rw-r--r-- 32602 cfg.scm
-rw-r--r-- 17969 code-generation.scm
-rw-r--r-- 3236 cte.scm
-rw-r--r-- 178 makefile
-rw-r--r-- 6883 operators.scm
-rw-r--r-- 7168 optimizations.scm
-rw-r--r-- 13546 parser.scm
-rw-r--r-- 30674 pic18-sim.scm
-rw-r--r-- 27900 pic18.scm
-rwxr-xr-x 2292 six-comp.scm
drwxr-xr-x - tests
-rw-r--r-- 2004 utilities.scm