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

Lexer / Parser
   147 osh/parse_lib.py
   185 osh/arith_parse.py
   272 osh/bool_parse.py
   524 osh/lex.py
   569 core/word.py
  1238 osh/word_parse.py
  1556 osh/cmd_parse.py
  4491 total

Compiler / Middle End
 109 core/word_compile.py
 268 core/braces.py
 377 total

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

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