AST and IDs
  240 osh/osh.asdl
  456 core/id_kind.py
  696 total

Lexer / Parser
    86 osh/parse_lib.py
   131 osh/match.py
   185 osh/arith_parse.py
   247 osh/bool_parse.py
   533 core/word.py
   546 osh/lex.py
  1123 osh/word_parse.py
  1670 osh/cmd_parse.py
  4521 total

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

Common Algorithms
  229 core/lexer.py
  338 core/tdop.py
  567 total

Utilities
  124 core/reader.py
  181 core/ui.py
  199 core/alloc.py
  504 total