src/Pure/ML-Systems/polyml.ML
author wenzelm
Thu, 01 Aug 2013 23:10:46 +0200
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child 53709 84522727f9d3
permissions -rw-r--r--
optional static analysis for Poly/ML 5.5.x;
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(*  Title:      Pure/ML-Systems/polyml.ML
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    Author:     Makarius
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Compatibility wrapper for Poly/ML.
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*)
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(* exceptions *)
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fun reraise exn =
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  (case PolyML.exceptionLocation exn of
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    NONE => raise exn
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  | SOME location => PolyML.raiseWithLocation (exn, location));
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exception Interrupt = SML90.Interrupt;
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use "General/exn.ML";
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(* multithreading *)
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val seconds = Time.fromReal;
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if List.exists (fn s => s = "SingleAssignment") (PolyML.Compiler.structureNames ())
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then ()
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else use "ML-Systems/single_assignment_polyml.ML";
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open Thread;
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use "ML-Systems/multithreading.ML";
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use "ML-Systems/multithreading_polyml.ML";
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use "ML-Systems/unsynchronized.ML";
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val _ = PolyML.Compiler.forgetValue "ref";
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val _ = PolyML.Compiler.forgetType "ref";
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(* pervasive environment *)
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fun op before (a, _: unit) = a;
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val _ = PolyML.Compiler.forgetValue "isSome";
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val _ = PolyML.Compiler.forgetValue "getOpt";
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val _ = PolyML.Compiler.forgetValue "valOf";
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val _ = PolyML.Compiler.forgetValue "foldl";
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val _ = PolyML.Compiler.forgetValue "foldr";
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val _ = PolyML.Compiler.forgetValue "print";
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val _ = PolyML.Compiler.forgetValue "explode";
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val _ = PolyML.Compiler.forgetValue "concat";
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val ord = SML90.ord;
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val chr = SML90.chr;
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val raw_explode = SML90.explode;
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val implode = SML90.implode;
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fun quit () = exit 0;
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(* ML system operations *)
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use "ML-Systems/ml_system.ML";
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if ML_System.name = "polyml-5.3.0"
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then use "ML-Systems/share_common_data_polyml-5.3.0.ML"
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else ();
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structure ML_System =
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struct
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open ML_System;
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fun share_common_data () = PolyML.shareCommonData PolyML.rootFunction;
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val save_state = PolyML.SaveState.saveState;
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end;
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(* ML runtime system *)
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val exception_trace = PolyML.exception_trace;
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val timing = PolyML.timing;
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val profiling = PolyML.profiling;
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fun profile 0 f x = f x
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  | profile n f x =
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      let
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        val _ = RunCall.run_call1 RuntimeCalls.POLY_SYS_profiler n;
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        val res = Exn.capture f x;
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        val _ = RunCall.run_call1 RuntimeCalls.POLY_SYS_profiler 0;
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      in Exn.release res end;
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val pointer_eq = PolyML.pointerEq;
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(* ML compiler *)
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structure ML_Name_Space =
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struct
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  open PolyML.NameSpace;
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  type T = PolyML.NameSpace.nameSpace;
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  val global = PolyML.globalNameSpace;
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end;
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use "ML-Systems/use_context.ML";
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use "ML-Systems/compiler_polyml.ML";
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PolyML.Compiler.reportUnreferencedIds := true;
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PolyML.Compiler.printInAlphabeticalOrder := false;
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PolyML.Compiler.maxInlineSize := 80;
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(*PolyML.Compiler.reportExhaustiveHandlers := true;*)
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fun ml_prompts p1 p2 = (PolyML.Compiler.prompt1 := p1; PolyML.Compiler.prompt2 := p2);
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(* ML toplevel pretty printing *)
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use "ML-Systems/ml_pretty.ML";
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local
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  val depth = Unsynchronized.ref 10;
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in
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  fun get_print_depth () = ! depth;
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  fun print_depth n = (depth := n; PolyML.print_depth n);
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end;
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val error_depth = PolyML.error_depth;
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val pretty_ml =
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  let
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    fun convert _ (PolyML.PrettyBreak (wd, _)) = ML_Pretty.Break (false, wd)
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      | convert _ (PolyML.PrettyBlock (ind, _,
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            [PolyML.ContextProperty ("fbrk", _)], [PolyML.PrettyString " "])) =
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          ML_Pretty.Break (true, 1)
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      | convert len (PolyML.PrettyBlock (ind, _, context, prts)) =
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          let
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            fun property name default =
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              (case List.find (fn PolyML.ContextProperty (a, _) => name = a | _ => false) context of
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                SOME (PolyML.ContextProperty (_, b)) => b
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              | NONE => default);
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            val bg = property "begin" "";
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            val en = property "end" "";
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            val len' = property "length" len;
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          in ML_Pretty.Block ((bg, en), map (convert len') prts, ind) end
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      | convert len (PolyML.PrettyString s) =
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          ML_Pretty.String (s, case Int.fromString len of SOME i => i | NONE => size s)
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  in convert "" end;
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fun ml_pretty (ML_Pretty.Break (false, wd)) = PolyML.PrettyBreak (wd, 0)
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  | ml_pretty (ML_Pretty.Break (true, _)) =
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      PolyML.PrettyBlock (0, false, [PolyML.ContextProperty ("fbrk", "")],
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        [PolyML.PrettyString " "])
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  | ml_pretty (ML_Pretty.Block ((bg, en), prts, ind)) =
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      let val context =
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        (if bg = "" then [] else [PolyML.ContextProperty ("begin", bg)]) @
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        (if en = "" then [] else [PolyML.ContextProperty ("end", en)])
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      in PolyML.PrettyBlock (ind, false, context, map ml_pretty prts) end
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  | ml_pretty (ML_Pretty.String (s, len)) =
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      if len = size s then PolyML.PrettyString s
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      else PolyML.PrettyBlock
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        (0, false, [PolyML.ContextProperty ("length", Int.toString len)], [PolyML.PrettyString s]);
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fun toplevel_pp context (_: string list) pp =
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  use_text context (1, "pp") false
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    ("PolyML.addPrettyPrinter (fn _ => fn _ => ml_pretty o Pretty.to_ML o (" ^ pp ^ "))");
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val ml_make_string =
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  "(fn x => Pretty.string_of (Pretty.from_ML (pretty_ml (PolyML.prettyRepresentation (x, get_print_depth ())))))";
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