open Ast

(* Compile infile to assembly code
 * in_channel -> int -> repr *)
let compile infile verbose =
    let rec run_phases ir = function
        | [] -> ir
        | h::t -> run_phases (h ir) t
    in
    run_phases (Inputfile (infile, verbose)) [
        Parse.phase;
        Print.phase;
        Desug.phase;
        Print.phase;
        (*Typecheck.phase;*)
        (*Extern_vars.phase;*)
        (*Dim_reduce.phase;*)
        (*Bool_op.phase;*)
        (*Assemble.phase;*)
        (*Peephole.phase;*)
        (*Print.phase;*)
    ]

(* Main function, returns exit status
 * () -> int *)
let main () =
    let filename = ref None in
    let verbose = ref 1 in
    let args = [
        ("-v", Arg.Int (fun i -> verbose := i), "Set verbosity")
    ] in
    let usage = "Usage: " ^ Sys.argv.(0) ^ " [ -v VERBOSITY ] FILE" in

    try
        Arg.parse args (fun s -> filename := Some s) usage;
        let _ = compile !filename !verbose in
        0
    with CompileError msg ->
        prerr_endline ("Error: " ^ msg);
        -1

let _ = exit (main ())