*** MESSAGE REFERS TO PREVIOUS VERSION ***
removed dummy thread structures from multithreading.ML;
(* Title: Pure/ML-Systems/polyml.ML
ID: $Id$
Compatibility wrapper for Poly/ML (after 5.1).
*)
open Thread;
use "ML-Systems/polyml_common.ML";
use "ML-Systems/multithreading_polyml.ML";
val pointer_eq = PolyML.pointerEq;
(* runtime compilation *)
local
fun drop_newline s =
if String.isSuffix "\n" s then String.substring (s, 0, size s - 1)
else s;
in
fun use_text (tune: string -> string) str_of_pos (start_line, name) (print, err) verbose txt =
let
val current_line = ref start_line;
val in_buffer = ref (String.explode (tune txt));
val out_buffer = ref ([]: string list);
fun output () = drop_newline (implode (rev (! out_buffer)));
fun get () =
(case ! in_buffer of
[] => NONE
| c :: cs =>
(in_buffer := cs; if c = #"\n" then current_line := ! current_line + 1 else (); SOME c));
fun put s = out_buffer := s :: ! out_buffer;
fun message (msg, is_err, line) =
(if is_err then "Error: " else "Warning: ") ^ drop_newline msg ^ str_of_pos line name ^ "\n";
val parameters =
[PolyML.Compiler.CPOutStream put,
PolyML.Compiler.CPLineNo (fn () => ! current_line),
PolyML.Compiler.CPErrorMessageProc (put o message)];
val _ =
(while not (List.null (! in_buffer)) do
PolyML.compiler (get, parameters) ())
handle exn =>
(put ("Exception- " ^ General.exnMessage exn ^ " raised");
err (output ()); raise exn);
in if verbose then print (output ()) else () end;
fun use_file tune str_of_pos output verbose name =
let
val instream = TextIO.openIn name;
val txt = Exn.release (Exn.capture TextIO.inputAll instream before TextIO.closeIn instream);
in use_text tune str_of_pos (1, name) output verbose txt end;
end;