--- 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;