AST and IDs
  234 osh/osh.asdl
  456 core/id_kind.py
  690 total

Lexer / Parser
    94 osh/parse_lib.py
   131 osh/match.py
   185 osh/arith_parse.py
   274 osh/bool_parse.py
   543 osh/lex.py
   569 core/word.py
  1242 osh/word_parse.py
  1554 osh/cmd_parse.py
  4592 total

Compiler / Middle End
 117 core/word_compile.py
 268 core/braces.py
 385 total

Common Algorithms
  224 core/lexer.py
  354 core/tdop.py
  578 total

Utilities
  116 core/reader.py
  146 core/ui.py
  195 core/alloc.py
  457 total