AST and IDs
  241 osh/osh.asdl
  456 core/id_kind.py
  697 total

Lexer / Parser
    93 osh/parse_lib.py
   131 osh/match.py
   185 osh/arith_parse.py
   250 osh/bool_parse.py
   533 core/word.py
   546 osh/lex.py
  1171 osh/word_parse.py
  1532 osh/cmd_parse.py
  4441 total

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

Common Algorithms
  227 core/lexer.py
  346 core/tdop.py
  573 total

Utilities
  120 core/reader.py
  146 core/ui.py
  199 core/alloc.py
  465 total