040000 tree 4eb90254f464de92049df54bbb9eafb1f9f4ee92	analyzer
040000 tree 954836615e313061e0c02e6198bac8f3f4fefd24	compiler
040000 tree d5cfe3395779f2bc842e7ed98b9d9e83efce33a0	js_ast
040000 tree f2fca061b4a4284dc600e3581a81904fb95c848e	kernel