open Ast
open Stringify

let phase = function
    | Ast node as input ->
        if args.verbose >= 2 then (
            prerr_endline "--------------------------------------------------";
            prerr_endline (node2str node);
            prerr_endline "--------------------------------------------------"
        );
        input

    | FileContent (display_name, content) as input ->
        if args.verbose >= 2 then (
            prerr_endline "--------------------------------------------------";
            prerr_endline (display_name ^ ":\n");
            prerr_endline content;
            prerr_endline "--------------------------------------------------"
        );
        input

    | _ -> raise (InvalidInput "print")