wenzelm@21653: (*  Title:      Pure/ML-Systems/polyml-5.0.ML
wenzelm@21653:     ID:         $Id$
wenzelm@21653: 
wenzelm@21653: Compatibility wrapper for Poly/ML 5.0.
wenzelm@21653: *)
wenzelm@21653: 
wenzelm@21653: use "ML-Systems/polyml.ML";
wenzelm@21653: 
wenzelm@21653: val pointer_eq = PolyML.pointerEq;
wenzelm@21771: 
wenzelm@21771: 
wenzelm@21771: (* improved versions of use_text/file *)
wenzelm@21853: 
wenzelm@24600: fun use_text (tune: string -> string) name (print, err) verbose txt =
wenzelm@21771:   let
wenzelm@24600:     val in_buffer = ref (explode (tune txt));
wenzelm@21771:     val out_buffer = ref ([]: string list);
wenzelm@21771:     fun output () = implode (rev (case ! out_buffer of "\n" :: cs => cs | cs => cs));
wenzelm@21771: 
wenzelm@21771:     val line_no = ref 1;
wenzelm@21771:     fun line () = ! line_no;
wenzelm@21771:     fun get () =
wenzelm@21771:       (case ! in_buffer of
wenzelm@21771:         [] => ""
wenzelm@21771:       | c :: cs => (in_buffer := cs; if c = "\n" then line_no := ! line_no + 1 else (); c));
wenzelm@21923:     fun put s = out_buffer := s :: ! out_buffer;
wenzelm@21771: 
wenzelm@21771:     fun exec () =
wenzelm@21771:       (case ! in_buffer of
wenzelm@21771:         [] => ()
wenzelm@21923:       | _ => (PolyML.compilerEx (get, put, line, name) (); exec ()));
wenzelm@21771:   in
wenzelm@21771:     exec () handle exn => (err (output ()); raise exn);
wenzelm@21923:     if verbose then print (output ()) else ()
wenzelm@21771:   end;
wenzelm@21771: 
wenzelm@21771: fun use_file output verbose name =
wenzelm@21771:   let
wenzelm@21771:     val instream = TextIO.openIn name;
wenzelm@21771:     val txt = TextIO.inputAll instream before TextIO.closeIn instream;
wenzelm@22144:   in use_text name output verbose txt end;