33 lines
730 B
OCaml
33 lines
730 B
OCaml
open Lisp.Ast;;
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open Printf;;
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open Lisp;;
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open Env;;
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open Eval;;
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open Read;;
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let () = InterpreterStdlib.init_default_env ()
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let rec repl env c =
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let () = printf ">>> "; Out_channel.flush Out_channel.stdout; in
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match In_channel.input_line c with
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| None -> ()
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| Some "exit" -> ()
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| Some l ->
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try
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let vals = (parse_str l) in
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(* dbg_print_all vals; *)
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pretty_print_all (eval_all env vals);
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Out_channel.flush Out_channel.stdout;
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repl env c
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with
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| Invalid_argument s ->
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printf "%s\nResuming repl\n" s;
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repl env c
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| Parser.Error ->
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printf "Expression '%s' couldn't be parsed, try again\n" l;
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repl env c
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;;
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let () = repl (make_env ()) (In_channel.stdin)
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