--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/ML-Systems/polyml-experimental.ML Mon Feb 02 22:16:41 2009 +0100
@@ -0,0 +1,76 @@
+(* Title: Pure/ML-Systems/polyml.ML
+
+Compatibility wrapper for experimental versions of Poly/ML after 5.2.1.
+*)
+
+open Thread;
+use "ML-Systems/polyml_common.ML";
+use "ML-Systems/multithreading_polyml.ML";
+
+val pointer_eq = PolyML.pointerEq;
+
+fun share_common_data () = PolyML.shareCommonData PolyML.rootFunction;
+
+
+(* toplevel pretty printers *)
+
+(*dummy version*)
+fun make_pp path pprint = ();
+fun install_pp _ = ();
+
+
+(* runtime compilation *)
+
+structure ML_NameSpace =
+struct
+ open PolyML.NameSpace;
+ val global = PolyML.globalNameSpace;
+end;
+
+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
+ name_space (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 put_message (prt, is_err, {file, line, offset}) =
+ (put (if is_err then "Error: " else "Warning: ");
+ PolyML.prettyPrint (put, 76) prt;
+ put (str_of_pos line name ^ "\n"));
+
+ val parameters =
+ [PolyML.Compiler.CPOutStream put,
+ PolyML.Compiler.CPLineNo (fn () => ! current_line),
+ PolyML.Compiler.CPErrorMessageProc put_message,
+ PolyML.Compiler.CPNameSpace name_space];
+ 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 name_space 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 name_space (1, name) output verbose txt end;
+
+end;