Cilfacade.countFnVisitorVisitor to count locs appearing inside a fundec.
inherit GoblintCil.nopCilVisitormethod vstmt : GoblintCil.stmt -> GoblintCil.stmt GoblintCil.visitActionmethod vinst : GoblintCil.instr -> GoblintCil.instr list GoblintCil.visitActionmethod vvdec : GoblintCil.varinfo -> GoblintCil.varinfo GoblintCil.visitActionmethod vexpr : GoblintCil.exp -> GoblintCil.exp GoblintCil.visitActionmethod vlval : GoblintCil.lval -> GoblintCil.lval GoblintCil.visitActionmethod vtype : GoblintCil.typ -> GoblintCil.typ GoblintCil.visitAction