Improved the repl to return to evaluation upon error. Also added an exit command

This commit is contained in:
Emin Arslan
2025-10-14 21:06:11 +03:00
committed by Emin Arslan
parent b0ded579af
commit be6e1cd684

View File

@@ -8,12 +8,22 @@ let rec repl env c =
let () = printf ">>> "; Out_channel.flush Out_channel.stdout; in
match In_channel.input_line c with
| None -> ()
| Some l ->
let vals = (parse_str l) in
(* dbg_print_all vals; *)
dbg_print_all (eval_all env vals);
Out_channel.flush Out_channel.stdout;
repl env c;;
| Some "exit" -> ()
| Some l ->
try
let vals = (parse_str l) in
(* dbg_print_all vals; *)
dbg_print_all (eval_all env vals);
Out_channel.flush Out_channel.stdout;
repl env c
with
| Invalid_argument s ->
printf "%s\nResuming repl\n" s;
repl env c
| Parser.Error ->
printf "Expression '%s' couldn't be parsed, try again\n" l;
repl env c
;;
let _ = repl (make_env ()) (In_channel.stdin)
let () = repl (make_env ()) (In_channel.stdin)