--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/ML-Systems/compiler_polyml.ML Thu May 24 15:33:45 2012 +0200
@@ -0,0 +1,59 @@
+(* Title: Pure/ML-Systems/compiler_polyml.ML
+
+Runtime compilation for Poly/ML 5.3.0 or later.
+
+See also Pure/ML/ml_compiler_polyml.ML for advanced version.
+*)
+
+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_source, name_space, str_of_pos, print, error, ...}: use_context)
+ (start_line, name) verbose txt =
+ let
+ val line = Unsynchronized.ref start_line;
+ val in_buffer = Unsynchronized.ref (String.explode (tune_source txt));
+ val out_buffer = Unsynchronized.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 line := ! line + 1 else (); SOME c));
+ fun put s = out_buffer := s :: ! out_buffer;
+ fun put_message {message = msg1, hard, location = {startLine = line, ...}, context} =
+ (put (if hard then "Error: " else "Warning: ");
+ PolyML.prettyPrint (put, 76) msg1;
+ (case context of NONE => () | SOME msg2 => PolyML.prettyPrint (put, 76) msg2);
+ put ("At" ^ str_of_pos line name ^ "\n"));
+
+ val parameters =
+ [PolyML.Compiler.CPOutStream put,
+ PolyML.Compiler.CPNameSpace name_space,
+ PolyML.Compiler.CPErrorMessageProc put_message,
+ PolyML.Compiler.CPLineNo (fn () => ! line),
+ PolyML.Compiler.CPFileName name,
+ PolyML.Compiler.CPPrintInAlphabeticalOrder false];
+ val _ =
+ (while not (List.null (! in_buffer)) do
+ PolyML.compiler (get, parameters) ())
+ handle exn =>
+ if Exn.is_interrupt exn then reraise exn
+ else
+ (put ("Exception- " ^ General.exnMessage exn ^ " raised");
+ error (output ()); reraise exn);
+ in if verbose then print (output ()) else () end;
+
+fun use_file context verbose name =
+ let
+ val instream = TextIO.openIn name;
+ val txt = Exn.release (Exn.capture TextIO.inputAll instream before TextIO.closeIn instream);
+ in use_text context (1, name) verbose txt end;
+
+end;
+