# HG changeset patch
# User wenzelm
# Date 902247680 -7200
# Node ID a6167c446b0b63a30a3094d49b00cddab9646a9c
# Parent  5313f781efe0cfec4ce8482a66e02d210a68f5b1
moved print_goals to locale.ML;

diff -r 5313f781efe0 -r a6167c446b0b src/Pure/display.ML
--- a/src/Pure/display.ML	Tue Aug 04 18:21:03 1998 +0200
+++ b/src/Pure/display.ML	Tue Aug 04 18:21:20 1998 +0200
@@ -30,7 +30,7 @@
   val print_theory	: theory -> unit
   val pretty_name_space : string * NameSpace.T -> Pretty.T
   val show_consts	: bool ref
-  val print_goals	: int -> thm -> unit
+
 end;
 
 structure Display: DISPLAY =
@@ -195,119 +195,10 @@
 
 fun print_theory thy = (print_sign (sign_of thy); print_thy thy);
 
-
-
-(** print_goals **)
-
-(*print thm A1,...,An/B in "goal style" -- premises as numbered subgoals*)
-
 (*also show consts in case of showing types?*)
 val show_consts = ref false;
 
 
-local
-
-  (* utils *)
-
-  fun ins_entry (x, y) [] = [(x, [y])]
-    | ins_entry (x, y) ((pair as (x', ys')) :: pairs) =
-        if x = x' then (x', y ins ys') :: pairs
-        else pair :: ins_entry (x, y) pairs;
-
-  fun add_consts (Const (c, T), env) = ins_entry (T, (c, T)) env
-    | add_consts (t $ u, env) = add_consts (u, add_consts (t, env))
-    | add_consts (Abs (_, _, t), env) = add_consts (t, env)
-    | add_consts (_, env) = env;
-
-  fun add_vars (Free (x, T), env) = ins_entry (T, (x, ~1)) env
-    | add_vars (Var (xi, T), env) = ins_entry (T, xi) env
-    | add_vars (Abs (_, _, t), env) = add_vars (t, env)
-    | add_vars (t $ u, env) = add_vars (u, add_vars (t, env))
-    | add_vars (_, env) = env;
-
-  fun add_varsT (Type (_, Ts), env) = foldr add_varsT (Ts, env)
-    | add_varsT (TFree (x, S), env) = ins_entry (S, (x, ~1)) env
-    | add_varsT (TVar (xi, S), env) = ins_entry (S, xi) env;
-
-  fun sort_idxs vs = map (apsnd (sort (prod_ord string_ord int_ord))) vs;
-  fun sort_cnsts cs = map (apsnd (sort_wrt fst)) cs;
-
-
-  (* prepare atoms *)
-
-  fun consts_of t = sort_cnsts (add_consts (t, []));
-  fun vars_of t = sort_idxs (add_vars (t, []));
-  fun varsT_of t = rev (sort_idxs (it_term_types add_varsT (t, [])));
-
-in
-
-  fun print_goals maxgoals state =
-    let
-      val {sign, ...} = rep_thm state;
-
-      val prt_term = Sign.pretty_term sign;
-      val prt_typ = Sign.pretty_typ sign;
-      val prt_sort = Sign.pretty_sort sign;
-
-      fun prt_atoms prt prtT (X, xs) = Pretty.block
-        [Pretty.block (Pretty.commas (map prt xs)), Pretty.str " ::",
-          Pretty.brk 1, prtT X];
-
-      fun prt_var (x, ~1) = prt_term (Syntax.free x)
-        | prt_var xi = prt_term (Syntax.var xi);
-
-      fun prt_varT (x, ~1) = prt_typ (TFree (x, []))
-        | prt_varT xi = prt_typ (TVar (xi, []));
-
-      val prt_consts = prt_atoms (prt_term o Const) prt_typ;
-      val prt_vars = prt_atoms prt_var prt_typ;
-      val prt_varsT = prt_atoms prt_varT prt_sort;
-
-
-      fun print_list _ _ [] = ()
-        | print_list name prt lst = (writeln "";
-            Pretty.writeln (Pretty.big_list name (map prt lst)));
-
-      fun print_subgoals (_, []) = ()
-        | print_subgoals (n, A :: As) = (Pretty.writeln (Pretty.blk (0,
-            [Pretty.str (" " ^ string_of_int n ^ ". "), prt_term A]));
-              print_subgoals (n + 1, As));
-
-      val print_ffpairs =
-        print_list "Flex-flex pairs:" (prt_term o Logic.mk_flexpair);
-
-      val print_consts = print_list "Constants:" prt_consts o consts_of;
-      val print_vars = print_list "Variables:" prt_vars o vars_of;
-      val print_varsT = print_list "Type variables:" prt_varsT o varsT_of;
-
-
-      val {prop, ...} = rep_thm state;
-      val (tpairs, As, B) = Logic.strip_horn prop;
-      val ngoals = length As;
-
-      fun print_gs (types, sorts) =
-       (Pretty.writeln (prt_term B);
-        if ngoals = 0 then writeln "No subgoals!"
-        else if ngoals > maxgoals then
-          (print_subgoals (1, take (maxgoals, As));
-            writeln ("A total of " ^ string_of_int ngoals ^ " subgoals..."))
-        else print_subgoals (1, As);
-
-        print_ffpairs tpairs;
-
-        if types andalso ! show_consts then print_consts prop else ();
-        if types then print_vars prop else ();
-        if sorts then print_varsT prop else ());
-    in
-      setmp show_no_free_types true
-        (setmp show_types (! show_types orelse ! show_sorts)
-          (setmp show_sorts false print_gs))
-     (! show_types orelse ! show_sorts, ! show_sorts)
-  end;
-
-end;
-
-
 end;
 
 open Display;