clarified ROOT files;
authorwenzelm
Wed, 06 Jan 2016 10:20:33 +0100
changeset 62077 e8ae72c26025
parent 62076 1add21f7cabc
child 62078 76399b8fde4d
clarified ROOT files;
src/Pure/RAW/ROOT_polyml-5.5.2.ML
src/Pure/RAW/ROOT_polyml-5.6.ML
src/Pure/RAW/ROOT_polyml.ML
src/Pure/RAW/ROOT_smlnj.ML
src/Pure/RAW/polyml-5.5.2.ML
src/Pure/RAW/polyml-5.6.ML
src/Pure/RAW/polyml.ML
src/Pure/RAW/smlnj.ML
src/Pure/ROOT
src/Pure/build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/RAW/ROOT_polyml-5.5.2.ML	Wed Jan 06 10:20:33 2016 +0100
@@ -0,0 +1,23 @@
+(*  Title:      Pure/RAW/ROOT_polyml-5.5.2.ML
+    Author:     Makarius
+
+Compatibility wrapper for Poly/ML 5.5.2.
+*)
+
+structure Thread =
+struct
+  open Thread;
+
+  structure Thread =
+  struct
+    open Thread;
+
+    fun numProcessors () =
+      (case Thread.numPhysicalProcessors () of
+        SOME n => n
+      | NONE => Thread.numProcessors ());
+  end;
+end;
+
+use "RAW/ROOT_polyml.ML";
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/RAW/ROOT_polyml-5.6.ML	Wed Jan 06 10:20:33 2016 +0100
@@ -0,0 +1,22 @@
+(*  Title:      Pure/RAW/ROOT_polyml-5.6.ML
+    Author:     Makarius
+
+Compatibility wrapper for Poly/ML 5.6.
+*)
+
+structure Thread =
+struct
+  open Thread;
+
+  structure Thread =
+  struct
+    open Thread;
+
+    fun numProcessors () =
+      (case Thread.numPhysicalProcessors () of
+        SOME n => n
+      | NONE => Thread.numProcessors ());
+  end;
+end;
+
+use "RAW/ROOT_polyml.ML";
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/RAW/ROOT_polyml.ML	Wed Jan 06 10:20:33 2016 +0100
@@ -0,0 +1,207 @@
+(*  Title:      Pure/RAW/ROOT_polyml.ML
+    Author:     Makarius
+
+Compatibility wrapper for Poly/ML.
+*)
+
+(* initial ML name space *)
+
+use "RAW/ml_system.ML";
+
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_name_space_polyml-5.6.ML"
+else use "RAW/ml_name_space_polyml.ML";
+
+structure ML_Name_Space =
+struct
+  open ML_Name_Space;
+  val initial_val =
+    List.filter (fn (a, _) => a <> "use" andalso a <> "exit" andalso a <> "commit")
+      (#allVal global ());
+  val initial_type = #allType global ();
+  val initial_fixity = #allFix global ();
+  val initial_structure = #allStruct global ();
+  val initial_signature = #allSig global ();
+  val initial_functor = #allFunct global ();
+end;
+
+
+(* ML system operations *)
+
+if ML_System.name = "polyml-5.3.0"
+then use "RAW/share_common_data_polyml-5.3.0.ML"
+else ();
+
+fun ml_platform_path (s: string) = s;
+fun ml_standard_path (s: string) = s;
+
+if ML_System.platform_is_windows then use "RAW/windows_path.ML" else ();
+
+structure ML_System =
+struct
+  open ML_System;
+  fun share_common_data () = PolyML.shareCommonData PolyML.rootFunction;
+  val save_state = PolyML.SaveState.saveState o ml_platform_path;
+end;
+
+
+(* exceptions *)
+
+fun reraise exn =
+  (case PolyML.exceptionLocation exn of
+    NONE => raise exn
+  | SOME location => PolyML.raiseWithLocation (exn, location));
+
+exception Interrupt = SML90.Interrupt;
+
+use "RAW/exn.ML";
+
+fun print_exception_trace (_: exn -> string) (_: string -> unit) = PolyML.exception_trace;
+
+if ML_System.name = "polyml-5.5.1"
+  orelse ML_System.name = "polyml-5.5.2"
+  orelse ML_System.name = "polyml-5.6"
+then use "RAW/exn_trace_polyml-5.5.1.ML"
+else ();
+
+
+(* multithreading *)
+
+val seconds = Time.fromReal;
+
+if List.exists (fn s => s = "SingleAssignment") (PolyML.Compiler.structureNames ())
+then ()
+else use "RAW/single_assignment_polyml.ML";
+
+open Thread;
+use "RAW/multithreading.ML";
+use "RAW/multithreading_polyml.ML";
+
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_stack_polyml-5.6.ML"
+else use "RAW/ml_stack_dummy.ML";
+
+use "RAW/unsynchronized.ML";
+val _ = PolyML.Compiler.forgetValue "ref";
+val _ = PolyML.Compiler.forgetType "ref";
+
+
+(* pervasive environment *)
+
+val _ = PolyML.Compiler.forgetValue "isSome";
+val _ = PolyML.Compiler.forgetValue "getOpt";
+val _ = PolyML.Compiler.forgetValue "valOf";
+val _ = PolyML.Compiler.forgetValue "foldl";
+val _ = PolyML.Compiler.forgetValue "foldr";
+val _ = PolyML.Compiler.forgetValue "print";
+val _ = PolyML.Compiler.forgetValue "explode";
+val _ = PolyML.Compiler.forgetValue "concat";
+
+val ord = SML90.ord;
+val chr = SML90.chr;
+val raw_explode = SML90.explode;
+val implode = SML90.implode;
+
+val io_buffer_size = 4096;
+
+fun quit () = exit 0;
+
+
+(* ML runtime system *)
+
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_profiling_polyml-5.6.ML"
+else use "RAW/ml_profiling_polyml.ML";
+
+val pointer_eq = PolyML.pointerEq;
+
+
+(* ML toplevel pretty printing *)
+
+use "RAW/ml_pretty.ML";
+
+local
+  val depth = Unsynchronized.ref 10;
+in
+  fun get_default_print_depth () = ! depth;
+  fun default_print_depth n = (depth := n; PolyML.print_depth n);
+  val _ = default_print_depth 10;
+end;
+
+val error_depth = PolyML.error_depth;
+
+val pretty_ml =
+  let
+    fun convert _ (PolyML.PrettyBreak (width, offset)) = ML_Pretty.Break (false, width, offset)
+      | convert _ (PolyML.PrettyBlock (_, _,
+            [PolyML.ContextProperty ("fbrk", _)], [PolyML.PrettyString " "])) =
+          ML_Pretty.Break (true, 1, 0)
+      | convert len (PolyML.PrettyBlock (ind, consistent, context, prts)) =
+          let
+            fun property name default =
+              (case List.find (fn PolyML.ContextProperty (a, _) => name = a | _ => false) context of
+                SOME (PolyML.ContextProperty (_, b)) => b
+              | _ => default);
+            val bg = property "begin" "";
+            val en = property "end" "";
+            val len' = property "length" len;
+          in ML_Pretty.Block ((bg, en), consistent, ind, map (convert len') prts) end
+      | convert len (PolyML.PrettyString s) =
+          ML_Pretty.String (s, case Int.fromString len of SOME i => i | NONE => size s)
+  in convert "" end;
+
+fun ml_pretty (ML_Pretty.Break (false, width, offset)) = PolyML.PrettyBreak (width, offset)
+  | ml_pretty (ML_Pretty.Break (true, _, _)) =
+      PolyML.PrettyBlock (0, false, [PolyML.ContextProperty ("fbrk", "")],
+        [PolyML.PrettyString " "])
+  | ml_pretty (ML_Pretty.Block ((bg, en), consistent, ind, prts)) =
+      let val context =
+        (if bg = "" then [] else [PolyML.ContextProperty ("begin", bg)]) @
+        (if en = "" then [] else [PolyML.ContextProperty ("end", en)])
+      in PolyML.PrettyBlock (ind, consistent, context, map ml_pretty prts) end
+  | ml_pretty (ML_Pretty.String (s, len)) =
+      if len = size s then PolyML.PrettyString s
+      else PolyML.PrettyBlock
+        (0, false, [PolyML.ContextProperty ("length", Int.toString len)], [PolyML.PrettyString s]);
+
+
+(* ML compiler *)
+
+structure ML_Name_Space =
+struct
+  open ML_Name_Space;
+  val display_val = pretty_ml o displayVal;
+end;
+
+use "RAW/ml_compiler_parameters.ML";
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_compiler_parameters_polyml-5.6.ML" else ();
+
+use "RAW/use_context.ML";
+use "RAW/ml_positions.ML";
+use "RAW/compiler_polyml.ML";
+
+PolyML.Compiler.reportUnreferencedIds := true;
+PolyML.Compiler.printInAlphabeticalOrder := false;
+PolyML.Compiler.maxInlineSize := 80;
+
+fun ml_prompts p1 p2 = (PolyML.Compiler.prompt1 := p1; PolyML.Compiler.prompt2 := p2);
+
+use "RAW/ml_parse_tree.ML";
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_parse_tree_polyml-5.6.ML" else ();
+
+fun toplevel_pp context (_: string list) pp =
+  use_text context {line = 1, file = "pp", verbose = false, debug = false}
+    ("PolyML.addPrettyPrinter (fn _ => fn _ => ml_pretty o Pretty.to_ML o (" ^ pp ^ "))");
+
+fun ml_make_string struct_name =
+  "(fn x => Pretty.string_of (Pretty.from_ML (pretty_ml (PolyML.prettyRepresentation (x, " ^
+    struct_name ^ ".ML_print_depth ())))))";
+
+
+(* ML debugger *)
+
+if ML_System.name = "polyml-5.6"
+then use "RAW/ml_debugger_polyml-5.6.ML"
+else use "RAW/ml_debugger.ML";
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/RAW/ROOT_smlnj.ML	Wed Jan 06 10:20:33 2016 +0100
@@ -0,0 +1,194 @@
+(*  Title:      Pure/RAW/ROOT_smlnj.ML
+
+Compatibility file for Standard ML of New Jersey.
+*)
+
+val io_buffer_size = 4096;
+use "RAW/proper_int.ML";
+
+exception Interrupt;
+fun reraise exn = raise exn;
+
+fun exit rc = Posix.Process.exit (Word8.fromInt rc);
+fun quit () = exit 0;
+
+use "RAW/overloading_smlnj.ML";
+use "RAW/exn.ML";
+use "RAW/single_assignment.ML";
+use "RAW/universal.ML";
+use "RAW/thread_dummy.ML";
+use "RAW/multithreading.ML";
+use "RAW/ml_stack_dummy.ML";
+use "RAW/ml_pretty.ML";
+use "RAW/ml_name_space.ML";
+structure PolyML = struct end;
+use "RAW/pp_dummy.ML";
+use "RAW/use_context.ML";
+use "RAW/ml_positions.ML";
+
+
+val seconds = Time.fromReal;
+
+(*low-level pointer equality*)
+CM.autoload "$smlnj/init/init.cmi";
+val pointer_eq = InlineT.ptreql;
+
+
+(* restore old-style character / string functions *)
+
+val ord = mk_int o SML90.ord;
+val chr = SML90.chr o dest_int;
+val raw_explode = SML90.explode;
+val implode = SML90.implode;
+
+
+(* New Jersey ML parameters *)
+
+val _ =
+ (Control.Print.printLength := 1000;
+  Control.Print.printDepth := 350;
+  Control.Print.stringDepth := 250;
+  Control.Print.signatures := 2;
+  Control.MC.matchRedundantError := false);
+
+
+(* Poly/ML emulation *)
+
+(*limit the printing depth -- divided by 2 for comparibility with Poly/ML*)
+local
+  val depth = ref (10: int);
+in
+  fun get_default_print_depth () = ! depth;
+  fun default_print_depth n =
+   (depth := n;
+    Control.Print.printDepth := dest_int n div 2;
+    Control.Print.printLength := dest_int n);
+  val _ = default_print_depth 10;
+end;
+
+fun ml_make_string (_: string) = "(fn _ => \"?\")";
+
+
+(*prompts*)
+fun ml_prompts p1 p2 =
+  (Control.primaryPrompt := p1; Control.secondaryPrompt := p2);
+
+(*dummy implementation*)
+structure ML_Profiling =
+struct
+  fun profile_time (_: (int * string) list -> unit) f x = f x;
+  fun profile_time_thread (_: (int * string) list -> unit) f x = f x;
+  fun profile_allocations (_: (int * string) list -> unit) f x = f x;
+end;
+
+(*dummy implementation*)
+fun print_exception_trace (_: exn -> string) (_: string -> unit) f = f ();
+
+
+(* ML command execution *)
+
+fun use_text ({tune_source, print, error, ...}: use_context)
+    {line, file, verbose, debug = _: bool} text =
+  let
+    val ref out_orig = Control.Print.out;
+
+    val out_buffer = ref ([]: string list);
+    val out = {say = (fn s => out_buffer := s :: ! out_buffer), flush = (fn () => ())};
+    fun output () =
+      let val str = implode (rev (! out_buffer))
+      in String.substring (str, 0, Int.max (0, size str - 1)) end;
+  in
+    Control.Print.out := out;
+    Backend.Interact.useStream (TextIO.openString (tune_source (ml_positions line file text)))
+      handle exn =>
+        (Control.Print.out := out_orig;
+          error ((if file = "" then "" else "Error in " ^ file ^ "\n") ^ output ()); raise exn);
+    Control.Print.out := out_orig;
+    if verbose then print (output ()) else ()
+  end;
+
+fun use_file context {verbose, debug} file =
+  let
+    val instream = TextIO.openIn file;
+    val text = Exn.release (Exn.capture TextIO.inputAll instream before TextIO.closeIn instream);
+  in use_text context {line = 1, file = file, verbose = verbose, debug = debug} text end;
+
+
+(* toplevel pretty printing *)
+
+fun ml_pprint pps =
+  let
+    fun str "" = ()
+      | str s = PrettyPrint.string pps s;
+    fun pprint (ML_Pretty.Block ((bg, en), consistent, ind, prts)) =
+         (str bg;
+          (if consistent then PrettyPrint.openHVBox else PrettyPrint.openHOVBox) pps
+            (PrettyPrint.Rel (dest_int ind));
+          List.app pprint prts; PrettyPrint.closeBox pps;
+          str en)
+      | pprint (ML_Pretty.String (s, _)) = str s
+      | pprint (ML_Pretty.Break (false, width, offset)) =
+          PrettyPrint.break pps {nsp = dest_int width, offset = dest_int offset}
+      | pprint (ML_Pretty.Break (true, _, _)) = PrettyPrint.newline pps;
+  in pprint end;
+
+fun toplevel_pp context path pp =
+  use_text context {line = 1, file = "pp", verbose = false, debug = false}
+    ("CompilerPPTable.install_pp [" ^ String.concatWith "," (map (fn s => "\"" ^ s ^ "\"")  path) ^
+      "] (fn pps => ml_pprint pps o Pretty.to_ML o (" ^ pp ^ "))");
+
+
+
+(** interrupts **)
+
+local
+
+fun change_signal new_handler f x =
+  let
+    val old_handler = Signals.setHandler (Signals.sigINT, new_handler);
+    val result = Exn.capture (f old_handler) x;
+    val _ = Signals.setHandler (Signals.sigINT, old_handler);
+  in Exn.release result end;
+
+in
+
+fun interruptible (f: 'a -> 'b) x =
+  let
+    val result = ref (Exn.interrupt_exn: 'b Exn.result);
+    val old_handler = Signals.inqHandler Signals.sigINT;
+  in
+    SMLofNJ.Cont.callcc (fn cont =>
+      (Signals.setHandler (Signals.sigINT, Signals.HANDLER (fn _ => cont));
+        result := Exn.capture f x));
+    Signals.setHandler (Signals.sigINT, old_handler);
+    Exn.release (! result)
+  end;
+
+fun uninterruptible f =
+  change_signal Signals.IGNORE
+    (fn old_handler => f (fn g => change_signal old_handler (fn _ => g)));
+
+end;
+
+
+use "RAW/unsynchronized.ML";
+use "RAW/ml_debugger.ML";
+
+
+(* ML system operations *)
+
+fun ml_platform_path (s: string) = s;
+fun ml_standard_path (s: string) = s;
+
+use "RAW/ml_system.ML";
+
+structure ML_System =
+struct
+
+open ML_System;
+
+fun save_state name =
+  if SMLofNJ.exportML name then ()
+  else OS.FileSys.rename {old = name ^ "." ^ platform, new = name};
+
+end;
--- a/src/Pure/RAW/polyml-5.5.2.ML	Wed Jan 06 10:08:09 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,23 +0,0 @@
-(*  Title:      Pure/RAW/polyml-5.5.2.ML
-    Author:     Makarius
-
-Compatibility wrapper for Poly/ML 5.5.2.
-*)
-
-structure Thread =
-struct
-  open Thread;
-
-  structure Thread =
-  struct
-    open Thread;
-
-    fun numProcessors () =
-      (case Thread.numPhysicalProcessors () of
-        SOME n => n
-      | NONE => Thread.numProcessors ());
-  end;
-end;
-
-use "RAW/polyml.ML";
-
--- a/src/Pure/RAW/polyml-5.6.ML	Wed Jan 06 10:08:09 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,22 +0,0 @@
-(*  Title:      Pure/RAW/polyml-5.6.ML
-    Author:     Makarius
-
-Compatibility wrapper for Poly/ML 5.6.
-*)
-
-structure Thread =
-struct
-  open Thread;
-
-  structure Thread =
-  struct
-    open Thread;
-
-    fun numProcessors () =
-      (case Thread.numPhysicalProcessors () of
-        SOME n => n
-      | NONE => Thread.numProcessors ());
-  end;
-end;
-
-use "RAW/polyml.ML";
--- a/src/Pure/RAW/polyml.ML	Wed Jan 06 10:08:09 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,207 +0,0 @@
-(*  Title:      Pure/RAW/polyml.ML
-    Author:     Makarius
-
-Compatibility wrapper for Poly/ML.
-*)
-
-(* initial ML name space *)
-
-use "RAW/ml_system.ML";
-
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_name_space_polyml-5.6.ML"
-else use "RAW/ml_name_space_polyml.ML";
-
-structure ML_Name_Space =
-struct
-  open ML_Name_Space;
-  val initial_val =
-    List.filter (fn (a, _) => a <> "use" andalso a <> "exit" andalso a <> "commit")
-      (#allVal global ());
-  val initial_type = #allType global ();
-  val initial_fixity = #allFix global ();
-  val initial_structure = #allStruct global ();
-  val initial_signature = #allSig global ();
-  val initial_functor = #allFunct global ();
-end;
-
-
-(* ML system operations *)
-
-if ML_System.name = "polyml-5.3.0"
-then use "RAW/share_common_data_polyml-5.3.0.ML"
-else ();
-
-fun ml_platform_path (s: string) = s;
-fun ml_standard_path (s: string) = s;
-
-if ML_System.platform_is_windows then use "RAW/windows_path.ML" else ();
-
-structure ML_System =
-struct
-  open ML_System;
-  fun share_common_data () = PolyML.shareCommonData PolyML.rootFunction;
-  val save_state = PolyML.SaveState.saveState o ml_platform_path;
-end;
-
-
-(* exceptions *)
-
-fun reraise exn =
-  (case PolyML.exceptionLocation exn of
-    NONE => raise exn
-  | SOME location => PolyML.raiseWithLocation (exn, location));
-
-exception Interrupt = SML90.Interrupt;
-
-use "RAW/exn.ML";
-
-fun print_exception_trace (_: exn -> string) (_: string -> unit) = PolyML.exception_trace;
-
-if ML_System.name = "polyml-5.5.1"
-  orelse ML_System.name = "polyml-5.5.2"
-  orelse ML_System.name = "polyml-5.6"
-then use "RAW/exn_trace_polyml-5.5.1.ML"
-else ();
-
-
-(* multithreading *)
-
-val seconds = Time.fromReal;
-
-if List.exists (fn s => s = "SingleAssignment") (PolyML.Compiler.structureNames ())
-then ()
-else use "RAW/single_assignment_polyml.ML";
-
-open Thread;
-use "RAW/multithreading.ML";
-use "RAW/multithreading_polyml.ML";
-
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_stack_polyml-5.6.ML"
-else use "RAW/ml_stack_dummy.ML";
-
-use "RAW/unsynchronized.ML";
-val _ = PolyML.Compiler.forgetValue "ref";
-val _ = PolyML.Compiler.forgetType "ref";
-
-
-(* pervasive environment *)
-
-val _ = PolyML.Compiler.forgetValue "isSome";
-val _ = PolyML.Compiler.forgetValue "getOpt";
-val _ = PolyML.Compiler.forgetValue "valOf";
-val _ = PolyML.Compiler.forgetValue "foldl";
-val _ = PolyML.Compiler.forgetValue "foldr";
-val _ = PolyML.Compiler.forgetValue "print";
-val _ = PolyML.Compiler.forgetValue "explode";
-val _ = PolyML.Compiler.forgetValue "concat";
-
-val ord = SML90.ord;
-val chr = SML90.chr;
-val raw_explode = SML90.explode;
-val implode = SML90.implode;
-
-val io_buffer_size = 4096;
-
-fun quit () = exit 0;
-
-
-(* ML runtime system *)
-
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_profiling_polyml-5.6.ML"
-else use "RAW/ml_profiling_polyml.ML";
-
-val pointer_eq = PolyML.pointerEq;
-
-
-(* ML toplevel pretty printing *)
-
-use "RAW/ml_pretty.ML";
-
-local
-  val depth = Unsynchronized.ref 10;
-in
-  fun get_default_print_depth () = ! depth;
-  fun default_print_depth n = (depth := n; PolyML.print_depth n);
-  val _ = default_print_depth 10;
-end;
-
-val error_depth = PolyML.error_depth;
-
-val pretty_ml =
-  let
-    fun convert _ (PolyML.PrettyBreak (width, offset)) = ML_Pretty.Break (false, width, offset)
-      | convert _ (PolyML.PrettyBlock (_, _,
-            [PolyML.ContextProperty ("fbrk", _)], [PolyML.PrettyString " "])) =
-          ML_Pretty.Break (true, 1, 0)
-      | convert len (PolyML.PrettyBlock (ind, consistent, context, prts)) =
-          let
-            fun property name default =
-              (case List.find (fn PolyML.ContextProperty (a, _) => name = a | _ => false) context of
-                SOME (PolyML.ContextProperty (_, b)) => b
-              | _ => default);
-            val bg = property "begin" "";
-            val en = property "end" "";
-            val len' = property "length" len;
-          in ML_Pretty.Block ((bg, en), consistent, ind, map (convert len') prts) end
-      | convert len (PolyML.PrettyString s) =
-          ML_Pretty.String (s, case Int.fromString len of SOME i => i | NONE => size s)
-  in convert "" end;
-
-fun ml_pretty (ML_Pretty.Break (false, width, offset)) = PolyML.PrettyBreak (width, offset)
-  | ml_pretty (ML_Pretty.Break (true, _, _)) =
-      PolyML.PrettyBlock (0, false, [PolyML.ContextProperty ("fbrk", "")],
-        [PolyML.PrettyString " "])
-  | ml_pretty (ML_Pretty.Block ((bg, en), consistent, ind, prts)) =
-      let val context =
-        (if bg = "" then [] else [PolyML.ContextProperty ("begin", bg)]) @
-        (if en = "" then [] else [PolyML.ContextProperty ("end", en)])
-      in PolyML.PrettyBlock (ind, consistent, context, map ml_pretty prts) end
-  | ml_pretty (ML_Pretty.String (s, len)) =
-      if len = size s then PolyML.PrettyString s
-      else PolyML.PrettyBlock
-        (0, false, [PolyML.ContextProperty ("length", Int.toString len)], [PolyML.PrettyString s]);
-
-
-(* ML compiler *)
-
-structure ML_Name_Space =
-struct
-  open ML_Name_Space;
-  val display_val = pretty_ml o displayVal;
-end;
-
-use "RAW/ml_compiler_parameters.ML";
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_compiler_parameters_polyml-5.6.ML" else ();
-
-use "RAW/use_context.ML";
-use "RAW/ml_positions.ML";
-use "RAW/compiler_polyml.ML";
-
-PolyML.Compiler.reportUnreferencedIds := true;
-PolyML.Compiler.printInAlphabeticalOrder := false;
-PolyML.Compiler.maxInlineSize := 80;
-
-fun ml_prompts p1 p2 = (PolyML.Compiler.prompt1 := p1; PolyML.Compiler.prompt2 := p2);
-
-use "RAW/ml_parse_tree.ML";
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_parse_tree_polyml-5.6.ML" else ();
-
-fun toplevel_pp context (_: string list) pp =
-  use_text context {line = 1, file = "pp", verbose = false, debug = false}
-    ("PolyML.addPrettyPrinter (fn _ => fn _ => ml_pretty o Pretty.to_ML o (" ^ pp ^ "))");
-
-fun ml_make_string struct_name =
-  "(fn x => Pretty.string_of (Pretty.from_ML (pretty_ml (PolyML.prettyRepresentation (x, " ^
-    struct_name ^ ".ML_print_depth ())))))";
-
-
-(* ML debugger *)
-
-if ML_System.name = "polyml-5.6"
-then use "RAW/ml_debugger_polyml-5.6.ML"
-else use "RAW/ml_debugger.ML";
--- a/src/Pure/RAW/smlnj.ML	Wed Jan 06 10:08:09 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,194 +0,0 @@
-(*  Title:      Pure/RAW/smlnj.ML
-
-Compatibility file for Standard ML of New Jersey.
-*)
-
-val io_buffer_size = 4096;
-use "RAW/proper_int.ML";
-
-exception Interrupt;
-fun reraise exn = raise exn;
-
-fun exit rc = Posix.Process.exit (Word8.fromInt rc);
-fun quit () = exit 0;
-
-use "RAW/overloading_smlnj.ML";
-use "RAW/exn.ML";
-use "RAW/single_assignment.ML";
-use "RAW/universal.ML";
-use "RAW/thread_dummy.ML";
-use "RAW/multithreading.ML";
-use "RAW/ml_stack_dummy.ML";
-use "RAW/ml_pretty.ML";
-use "RAW/ml_name_space.ML";
-structure PolyML = struct end;
-use "RAW/pp_dummy.ML";
-use "RAW/use_context.ML";
-use "RAW/ml_positions.ML";
-
-
-val seconds = Time.fromReal;
-
-(*low-level pointer equality*)
-CM.autoload "$smlnj/init/init.cmi";
-val pointer_eq = InlineT.ptreql;
-
-
-(* restore old-style character / string functions *)
-
-val ord = mk_int o SML90.ord;
-val chr = SML90.chr o dest_int;
-val raw_explode = SML90.explode;
-val implode = SML90.implode;
-
-
-(* New Jersey ML parameters *)
-
-val _ =
- (Control.Print.printLength := 1000;
-  Control.Print.printDepth := 350;
-  Control.Print.stringDepth := 250;
-  Control.Print.signatures := 2;
-  Control.MC.matchRedundantError := false);
-
-
-(* Poly/ML emulation *)
-
-(*limit the printing depth -- divided by 2 for comparibility with Poly/ML*)
-local
-  val depth = ref (10: int);
-in
-  fun get_default_print_depth () = ! depth;
-  fun default_print_depth n =
-   (depth := n;
-    Control.Print.printDepth := dest_int n div 2;
-    Control.Print.printLength := dest_int n);
-  val _ = default_print_depth 10;
-end;
-
-fun ml_make_string (_: string) = "(fn _ => \"?\")";
-
-
-(*prompts*)
-fun ml_prompts p1 p2 =
-  (Control.primaryPrompt := p1; Control.secondaryPrompt := p2);
-
-(*dummy implementation*)
-structure ML_Profiling =
-struct
-  fun profile_time (_: (int * string) list -> unit) f x = f x;
-  fun profile_time_thread (_: (int * string) list -> unit) f x = f x;
-  fun profile_allocations (_: (int * string) list -> unit) f x = f x;
-end;
-
-(*dummy implementation*)
-fun print_exception_trace (_: exn -> string) (_: string -> unit) f = f ();
-
-
-(* ML command execution *)
-
-fun use_text ({tune_source, print, error, ...}: use_context)
-    {line, file, verbose, debug = _: bool} text =
-  let
-    val ref out_orig = Control.Print.out;
-
-    val out_buffer = ref ([]: string list);
-    val out = {say = (fn s => out_buffer := s :: ! out_buffer), flush = (fn () => ())};
-    fun output () =
-      let val str = implode (rev (! out_buffer))
-      in String.substring (str, 0, Int.max (0, size str - 1)) end;
-  in
-    Control.Print.out := out;
-    Backend.Interact.useStream (TextIO.openString (tune_source (ml_positions line file text)))
-      handle exn =>
-        (Control.Print.out := out_orig;
-          error ((if file = "" then "" else "Error in " ^ file ^ "\n") ^ output ()); raise exn);
-    Control.Print.out := out_orig;
-    if verbose then print (output ()) else ()
-  end;
-
-fun use_file context {verbose, debug} file =
-  let
-    val instream = TextIO.openIn file;
-    val text = Exn.release (Exn.capture TextIO.inputAll instream before TextIO.closeIn instream);
-  in use_text context {line = 1, file = file, verbose = verbose, debug = debug} text end;
-
-
-(* toplevel pretty printing *)
-
-fun ml_pprint pps =
-  let
-    fun str "" = ()
-      | str s = PrettyPrint.string pps s;
-    fun pprint (ML_Pretty.Block ((bg, en), consistent, ind, prts)) =
-         (str bg;
-          (if consistent then PrettyPrint.openHVBox else PrettyPrint.openHOVBox) pps
-            (PrettyPrint.Rel (dest_int ind));
-          List.app pprint prts; PrettyPrint.closeBox pps;
-          str en)
-      | pprint (ML_Pretty.String (s, _)) = str s
-      | pprint (ML_Pretty.Break (false, width, offset)) =
-          PrettyPrint.break pps {nsp = dest_int width, offset = dest_int offset}
-      | pprint (ML_Pretty.Break (true, _, _)) = PrettyPrint.newline pps;
-  in pprint end;
-
-fun toplevel_pp context path pp =
-  use_text context {line = 1, file = "pp", verbose = false, debug = false}
-    ("CompilerPPTable.install_pp [" ^ String.concatWith "," (map (fn s => "\"" ^ s ^ "\"")  path) ^
-      "] (fn pps => ml_pprint pps o Pretty.to_ML o (" ^ pp ^ "))");
-
-
-
-(** interrupts **)
-
-local
-
-fun change_signal new_handler f x =
-  let
-    val old_handler = Signals.setHandler (Signals.sigINT, new_handler);
-    val result = Exn.capture (f old_handler) x;
-    val _ = Signals.setHandler (Signals.sigINT, old_handler);
-  in Exn.release result end;
-
-in
-
-fun interruptible (f: 'a -> 'b) x =
-  let
-    val result = ref (Exn.interrupt_exn: 'b Exn.result);
-    val old_handler = Signals.inqHandler Signals.sigINT;
-  in
-    SMLofNJ.Cont.callcc (fn cont =>
-      (Signals.setHandler (Signals.sigINT, Signals.HANDLER (fn _ => cont));
-        result := Exn.capture f x));
-    Signals.setHandler (Signals.sigINT, old_handler);
-    Exn.release (! result)
-  end;
-
-fun uninterruptible f =
-  change_signal Signals.IGNORE
-    (fn old_handler => f (fn g => change_signal old_handler (fn _ => g)));
-
-end;
-
-
-use "RAW/unsynchronized.ML";
-use "RAW/ml_debugger.ML";
-
-
-(* ML system operations *)
-
-fun ml_platform_path (s: string) = s;
-fun ml_standard_path (s: string) = s;
-
-use "RAW/ml_system.ML";
-
-structure ML_System =
-struct
-
-open ML_System;
-
-fun save_state name =
-  if SMLofNJ.exportML name then ()
-  else OS.FileSys.rename {old = name ^ "." ^ platform, new = name};
-
-end;
--- a/src/Pure/ROOT	Wed Jan 06 10:08:09 2016 +0100
+++ b/src/Pure/ROOT	Wed Jan 06 10:20:33 2016 +0100
@@ -3,6 +3,10 @@
 session RAW =
   theories
   files
+    "RAW/ROOT_polyml-5.5.2.ML"
+    "RAW/ROOT_polyml-5.6.ML"
+    "RAW/ROOT_polyml.ML"
+    "RAW/ROOT_smlnj.ML"
     "RAW/compiler_polyml.ML"
     "RAW/exn.ML"
     "RAW/exn_trace_polyml-5.5.1.ML"
@@ -25,15 +29,11 @@
     "RAW/multithreading.ML"
     "RAW/multithreading_polyml.ML"
     "RAW/overloading_smlnj.ML"
-    "RAW/polyml-5.5.2.ML"
-    "RAW/polyml-5.6.ML"
-    "RAW/polyml.ML"
     "RAW/pp_dummy.ML"
     "RAW/proper_int.ML"
     "RAW/share_common_data_polyml-5.3.0.ML"
     "RAW/single_assignment.ML"
     "RAW/single_assignment_polyml.ML"
-    "RAW/smlnj.ML"
     "RAW/thread_dummy.ML"
     "RAW/universal.ML"
     "RAW/unsynchronized.ML"
@@ -43,6 +43,10 @@
 session Pure =
   global_theories Pure
   files
+    "RAW/ROOT_polyml-5.5.2.ML"
+    "RAW/ROOT_polyml-5.6.ML"
+    "RAW/ROOT_polyml.ML"
+    "RAW/ROOT_smlnj.ML"
     "RAW/compiler_polyml.ML"
     "RAW/exn.ML"
     "RAW/exn_trace_polyml-5.5.1.ML"
@@ -65,15 +69,11 @@
     "RAW/multithreading.ML"
     "RAW/multithreading_polyml.ML"
     "RAW/overloading_smlnj.ML"
-    "RAW/polyml-5.5.2.ML"
-    "RAW/polyml-5.6.ML"
-    "RAW/polyml.ML"
     "RAW/pp_dummy.ML"
     "RAW/proper_int.ML"
     "RAW/share_common_data_polyml-5.3.0.ML"
     "RAW/single_assignment.ML"
     "RAW/single_assignment_polyml.ML"
-    "RAW/smlnj.ML"
     "RAW/thread_dummy.ML"
     "RAW/universal.ML"
     "RAW/unsynchronized.ML"
--- a/src/Pure/build	Wed Jan 06 10:08:09 2016 +0100
+++ b/src/Pure/build	Wed Jan 06 10:20:33 2016 +0100
@@ -49,8 +49,8 @@
 [ -z "$ML_SYSTEM" ] && fail "Missing ML_SYSTEM settings!"
 
 COMPAT=""
-[ -f "RAW/${ML_SYSTEM_BASE}.ML" ] && COMPAT="RAW/${ML_SYSTEM_BASE}.ML"
-[ -f "RAW/${ML_SYSTEM}.ML" ] && COMPAT="RAW/${ML_SYSTEM}.ML"
+[ -f "RAW/ROOT_${ML_SYSTEM_BASE}.ML" ] && COMPAT="RAW/ROOT_${ML_SYSTEM_BASE}.ML"
+[ -f "RAW/ROOT_${ML_SYSTEM}.ML" ] && COMPAT="RAW/ROOT_${ML_SYSTEM}.ML"
 [ -z "$COMPAT" ] && fail "Missing compatibility file for ML system \"$ML_SYSTEM\"!"