ref: a63c8ce234719b9ae18f1d7423c817abf71a040b dir: /parse/nodes.def/
N(Nfile) N(Nblock) N(Nifstmt) N(Nloopstmt) N(Nuse) N(Nexpr) N(Nlit) N(Nname) N(Ndecl) N(Nfunc) N(Nlbl)