AST and IDs
  253 osh/osh.asdl
  551 core/id_kind.py
  804 total

Lexer / Parser
   149 osh/parse_lib.py
   187 osh/arith_parse.py
   274 osh/bool_parse.py
   524 osh/lex.py
   570 core/word.py
  1240 osh/word_parse.py
  1558 osh/cmd_parse.py
  4502 total

Compiler / Middle End
 109 core/word_compile.py
 269 core/braces.py
 378 total

Common Algorithms
  262 core/lexer.py
  354 core/tdop.py
  616 total

Utilities
  115 core/reader.py
  146 core/ui.py
  195 core/alloc.py
  456 total