Add location tracking, syntax error and invalid character reporting
-rw-r--r-- 148 .gitignore
-rw-r--r-- 707 LICENSE
-rw-r--r-- 155 Makefile
-rw-r--r-- 32968 README.md
drwxr-xr-x - bootstrap_pilex
drwxr-xr-x - bootstrap_pitree
drwxr-xr-x - bootstrap_piyacc
-rw-r--r-- 24 env.sh
-rwxr-xr-x 317 fix_bootstrap.sh
-rwxr-xr-x 789 n.sh
drwxr-xr-x - ndcode
drwxr-xr-x - old
-rwxr-xr-x 8150 setup.py
-rw-r--r-- 10252 skel_lex_yy.py
-rw-r--r-- 1607 skel_t_def.py
-rw-r--r-- 5111 skel_y_tab.py