040000 tree 6d2098c38ba311b5f5d4f6664effb0c75b99aa3b	ast
040000 tree 9c726e81518b6036f4c9a264ff6ac3b4e361d6d6	doc
040000 tree d4552872fc65eed073a6c62cc26346603abbaf2a	parser
040000 tree e32ae79da56a841b5ec782b4016a1c0027ea83eb	printer
040000 tree d49bcddb015d1c205f1a245c408250787e7dab26	scanner
040000 tree d868bb71ed023a51146958980e64a3c9f92aee23	token
040000 tree 3be7d813ad5149ab28c383a572a1886e10617d9f	typechecker