ref: c4cdbc4d2d64242bc19f8b666783ed32d13b6792 dir: /parse/nodes.def/
N(Nnone) N(Nfile) N(Nblock) N(Nifstmt) N(Nloopstmt) N(Nmatchstmt) N(Nmatch) N(Nuse) N(Nexpr) N(Nlit) N(Nname) N(Ndecl) N(Nfunc) N(Nlbl)