AST and IDs
  216 osh/osh.asdl
  471 core/id_kind.py
  687 total

Lexer / Parser
   104 osh/parse_lib.py
   138 osh/match.py
   185 osh/arith_parse.py
   241 osh/bool_parse.py
   541 core/word.py
   563 osh/lex.py
  1122 osh/word_parse.py
  1732 osh/cmd_parse.py
  4626 total

Compiler / Middle End
 121 core/word_compile.py
 268 core/braces.py
 389 total

Common Algorithms
  229 core/lexer.py
  341 core/tdop.py
  570 total

Utilities
  125 core/reader.py
  199 core/alloc.py
  344 core/ui.py
  668 total