src/Pure/ML-Systems/polyml.ML

 (*  Title:      Pure/ML-Systems/polyml.ML
     ID:         $Id$
 
-Compatibility file for Poly/ML (version 4.1.3, 4.1.4, 4.2.0, also shared by 5.x).
+Compatibility wrapper for Poly/ML 5.1/5.2.
 *)
 
-use "ML-Systems/exn.ML";
-if List.exists (fn s => s = "Universal") (PolyML.Compiler.structureNames ()) then ()
-else use "ML-Systems/universal.ML";
-use "ML-Systems/multithreading.ML";
-use "ML-Systems/time_limit.ML";
+use "ML-Systems/polyml_common.ML";
+use "ML-Systems/multithreading_polyml.ML";
+
+val pointer_eq = PolyML.pointerEq;
 
 
-(** ML system and platform related **)
+(* single-threaded profiling *)
 
-(* Compiler options *)
+local val profile_orig = profile in
 
-val ml_system_fix_ints = false;
+fun profile 0 f x = f x
+  | profile n f x = NAMED_CRITICAL "profile" (fn () => profile_orig n f x);
 
-PolyML.Compiler.printInAlphabeticalOrder := false;
-PolyML.Compiler.maxInlineSize := 80;
-
-
-(* String compatibility *)
-
-(*low-level pointer equality*)
-val pointer_eq = Address.wordEq;
-
-
-(* old Poly/ML emulation *)
-
-local
-  val orig_exit = exit;
-in
-  open PolyML;
-  val exit = orig_exit;
-  fun quit () = exit 0;
 end;
 
 
-(* restore old-style character / string functions *)
-
-val ord = SML90.ord;
-val chr = SML90.chr;
-val explode = SML90.explode;
-val implode = SML90.implode;
-
-
-(* compiler-independent timing functions *)
-
-fun start_timing () =
-  let val CPUtimer = Timer.startCPUTimer();
-      val time = Timer.checkCPUTimer(CPUtimer)
-  in  (CPUtimer,time)  end;
-
-fun end_timing (CPUtimer, {sys,usr}) =
-  let open Time  (*...for Time.toString, Time.+ and Time.- *)
-      val {sys=sys2,usr=usr2} = Timer.checkCPUTimer(CPUtimer)
-  in  "User " ^ toString (usr2-usr) ^
-      "  All "^ toString (sys2-sys + usr2-usr) ^
-      " secs"
-      handle Time => ""
-  end;
-
-fun check_timer timer =
-  let
-    val {sys, usr} = Timer.checkCPUTimer timer;
-    val gc = Timer.checkGCTime timer;    (* FIXME already included in usr? *)
-  in (sys, usr, gc) end;
-
-
-(* prompts *)
-
-fun ml_prompts p1 p2 = (PolyML.Compiler.prompt1 := p1; PolyML.Compiler.prompt2 := p2);
-
-
-(* toplevel pretty printing (see also Pure/pure_setup.ML) *)
-
-fun make_pp _ pprint (str, blk, brk, en) _ _ obj =
-  pprint obj (str, fn ind => blk (ind, false), fn wd => brk (wd, 0),
-    fn () => brk (99999, 0), en);
-
-(*print depth*)
-local
-  val depth = ref 10;
-in
-  fun get_print_depth () = ! depth;
-  fun print_depth n = (depth := n; PolyML.print_depth n);
-end;
-
-
-(* ML command execution -- 'eval' *)
+(* improved versions of use_text/file *)
 
 fun use_text (tune: string -> string) name (print, err) verbose txt =
   let
     val in_buffer = ref (explode (tune txt));
     val out_buffer = ref ([]: string list);
     fun output () = implode (rev (case ! out_buffer of "\n" :: cs => cs | cs => cs));
 
+    val line_no = ref 1;
+    fun line () = ! line_no;
     fun get () =
       (case ! in_buffer of
         [] => ""
-      | c :: cs => (in_buffer := cs; c));
+      | c :: cs => (in_buffer := cs; if c = "\n" then line_no := ! line_no + 1 else (); c));
     fun put s = out_buffer := s :: ! out_buffer;
 
     fun exec () =
       (case ! in_buffer of
         [] => ()
-      | _ => (PolyML.compiler (get, put) (); exec ()));
+      | _ => (PolyML.compilerEx (get, put, line, name) (); exec ()));
   in
-    exec () handle exn =>
-      (err ((if name = "" then "" else "Error in " ^ name ^ "\n") ^ output ()); raise exn);
+    exec () handle exn => (err (output ()); raise exn);
     if verbose then print (output ()) else ()
   end;
 
 fun use_file tune output verbose name =
   let
     val instream = TextIO.openIn name;
     val txt = TextIO.inputAll instream before TextIO.closeIn instream;
   in use_text tune name output verbose txt end;
-
-
-(*eval command line arguments*)
-local
-  fun println s =
-    (TextIO.output (TextIO.stdOut, s ^ "\n"); TextIO.flushOut TextIO.stdOut);
-  fun eval "-q" = ()
-    | eval txt = use_text (fn x => x) "" (println, println) false txt;
-in
-  val _ = PolyML.onEntry (fn () =>
-   (Signal.signal (2, Signal.SIG_HANDLE (fn _ => Process.interruptConsoleProcesses ()));
-    app eval (CommandLine.arguments ())));
-end;
-
-
-
-(** interrupts **)
-
-exception Interrupt = SML90.Interrupt;
-
-local
-
-val sig_int = 2;
-val default_handler = Signal.SIG_HANDLE (fn _ => Process.interruptConsoleProcesses ());
-
-val _ = Signal.signal (sig_int, default_handler);
-
-fun change_signal new_handler f x =
-  let
-    (*RACE wrt. other signals!*)
-    val old_handler = Signal.signal (sig_int, new_handler);
-    val result = Exn.capture (f old_handler) x;
-    val _ = Signal.signal (sig_int, old_handler);
-  in Exn.release result end;
-
-in
-
-fun interruptible f = change_signal default_handler (fn _ => f);
-
-fun uninterruptible f =
-  change_signal Signal.SIG_IGN
-    (fn old_handler => f (fn g => change_signal old_handler (fn _ => g)));
-
-end;
-
-
-
-(** OS related **)
-
-use "ML-Systems/polyml-posix.ML";
-
-
-(* current directory *)
-
-val cd = OS.FileSys.chDir;
-val pwd = OS.FileSys.getDir;
-
-
-(* system command execution *)
-
-(*execute Unix command which doesn't take any input from stdin and
-  sends its output to stdout; could be done more easily by Unix.execute,
-  but that function doesn't use the PATH*)
-fun execute command =
-  let
-    val tmp_name = OS.FileSys.tmpName ();
-    val is = (OS.Process.system (command ^ " > " ^ tmp_name); TextIO.openIn tmp_name);
-    val result = TextIO.inputAll is;
-  in
-    TextIO.closeIn is;
-    OS.FileSys.remove tmp_name;
-    result
-  end;
-
-(*plain version; with return code*)
-fun system cmd =
-  if OS.Process.isSuccess (OS.Process.system cmd) then 0 else 1;
-
-
-(*Convert a process ID to a decimal string (chiefly for tracing)*)
-fun string_of_pid pid =
-  Word.fmt StringCvt.DEC (Word.fromLargeWord (Posix.Process.pidToWord pid));
-
-
-(* getenv *)
-
-fun getenv var =
-  (case OS.Process.getEnv var of
-    NONE => ""
-  | SOME txt => txt);
-
-
-(* profile execution *)
-
-fun profile 0 f x = f x
-  | profile n f x =
-      let
-        val _ = RunCall.run_call1 RuntimeCalls.POLY_SYS_profiler n;
-        val res = Exn.capture f x;
-        val _ = RunCall.run_call1 RuntimeCalls.POLY_SYS_profiler 0;
-      in Exn.release res end;
-